Motorola PM400 Manual de servicio

Busca en linea o descarga Manual de servicio para Radios de dos vías Motorola PM400. Motorola PM400 Service manual Manual de usuario

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Indice de contenidos

Pagina 2

vSAFETY INFORMATIONProduct Safety and RF Exposure ComplianceATTENTION!This radio is restricted to occupational use only to satisfy FCC RF energy expos

Pagina 3 - Disclaimer

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-7MOD_OUT16.8MHzSPI_CLKSPI_MOSIMIC_AUDIO_CHHANDSET_RX_AUDIO_CHVS_AUDIO_SELRESETuP_CLKF1200HSI

Pagina 4

4-8 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics120.p100n120.pDNPDNPPLACED NEAR R122PLACED NEAR CHIP’s PINDNPTO SHEET 1FILT_SW_B+FLT_9V9VTX

Pagina 5

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-9LM2904U102L1171019447Antenna Connector390.n7.5width 2.032CouplerPA’s Temp. SensorDNPDNPTO S

Pagina 6

4-10 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsU200FRACN_63A27XTAL224XTAL123WARP2513VROVMULT411VMULT31234VMULT214VMULT115VCP47VBPASS21TES

Pagina 7

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-11VCO ShieldVCOBIC ShieldDNPDNPDNPDNPDNP73D02968C74-OTO SHEET 2SHEE 5 OF 8IF20010.KV_SFTX_IN

Pagina 8

4-12 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsMIXER SHIELDDNPDNPDNPDNPDNPTO SHEET 1FRONT-END SHIELD51.p3V5V9VRX_ENLOC_DIST470.0nIF3001TP

Pagina 9

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-1373D02968C74-OSHEET 6 OF 8Check if it is 3v or another valueNUNUNUDNPDNP DNPTO SHEE

Pagina 10 - SAFETY INFORMATION

4-14 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics9VCOMP_B+B+BATT_SENSEDNPVAG=4.5v3.3V to IFIC, ASFIC3.3V RF REGULATOR3.3v digitalDNPDNPDNPT

Pagina 11

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-15C5023100nSPKR-SPKR+100nC5034R50161.M12.K24.K100n120.pC5080R50880.200K36K1K120PTO SHEET 2DN

Pagina 12 - INTRODUCTION

4-16 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsDNPTO SHEET 1SPI_CLKSPI_MOSISPI_MISOPLACE NEAR U402DNPDNPPROVIDE WIRED OR OPERATION ON CSP

Pagina 14 - 4.0 Radio Model Information

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-17D3_3VDNPDNPSHEET 8 OF 873D02968C74-ODNPR4583.3KVR400VSTBYC417120.pVR4023.30R4020.Q401DNPDN

Pagina 15 - 1-4 INTRODUCTION

4-18 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsLM2904U10065IF7011784SHEET 3 OF 873D02968C74-OIF700139.pC108239.pC1075U100LM290423184C1071

Pagina 16 - MAINTENANCE

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-192.1 UHF2 PCB 8488978U01 (rev. P9) Parts List 1-25 WCircuit Ref.Motorola Part No.Descriptio

Pagina 17 - 2-2 MAINTENANCE

4-20 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsC1098 2113740F53 CAP CHIP REEL CL1 +/-30 120C1099 2113740F53 CAP CHIP REEL CL1 +/-30 120C1

Pagina 18

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-21C2043 2113740L14 CAP CER CHIP 6.8PF +-0.1PFC2044 NOT PLACED GCAM DUMMY PART NUMBERC2045 21

Pagina 19 - 2-4 MAINTENANCE

4-22 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsC345 2113740L08 CAP CER CHIP 3.9 PF+/-0.1PFC346 2113740L09 CAP CER CHIP 4.3 PF +-0.1PFC347

Pagina 20

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-23C5046 2113743E20 CAP CHIP. 10 UF 10%C5047 2113743E20 CAP CHIP. 10 UF 10%C5048 2113743E20 C

Pagina 21 - 2-6 MAINTENANCE

4-24 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsC611 2113740F41 CAP CHIP REEL CL1 +/-30 39C612 2113740F41 CAP CHIP REEL CL1 +/-30 39C613 2

Pagina 22

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-25L209 2413926N24 IND CER CHIP 100.0 NH 5%L210 2413926N18 IND CER CHIP 33.0 NH 5%L211 241392

Pagina 23 - 2-8 MAINTENANCE

4-26 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsR127 0662057C03 CHIP RES 1.0 OHMS 5%R128 0662057C03 CHIP RES 1.0 OHMS 5%R130 0662057B47 CH

Pagina 24 - SERVICE AIDS

Chapter 1INTRODUCTION1.0 Scope of ManualThis manual is intended for use by service technicians familiar with similar types of equipment. It contains s

Pagina 25 - 2.0 Test Equipment

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-27R320 0662057A73 CHIP RES 10K OHMS 5%R321 0662057A71 CHIP RES 8200 OHMS 5%R322 0662057A65 C

Pagina 26

4-28 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsR5023 0662057A97 CHIP RES 100K OHMS 5%R5024 0662057A97 CHIP RES 100K OHMS 5%(Not used in G

Pagina 27

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-29U102 5113818A01 IC LOW COST SING SPLY LM2904DRU103 5113819A04 IC QD OP AMP GEN PURP MC3303

Pagina 28

4-30 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics3.0 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics9VCOMP_B+DET_VFWDFILT_SW_B+INTEGR

Pagina 29

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-31C1006C1007C1010C1011C1016C1020C1021C1023C1026C1108D103D104J11L108L111L113L114L126R150M101M1

Pagina 30 - OVERVIEW

4-32 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsVR692R402R403R404R600VR503VR694VR698VR699C5037C5055C5063C5119Q502Q505Q506R405R5020R5023R502

Pagina 31 - 1-2 OVERVIEW

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-33Accessory ConnectorControl Head ConnectorNCPlace capacitors near J2 Place capacitors near J

Pagina 32

4-34 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsMOD_OUT16.8MHzSPI_CLKSPI_MOSIMIC_AUDIO_CHHANDSET_RX_AUDIO_CHVS_AUDIO_SELRESETuP_CLKF1200HSI

Pagina 33 - 2.3 Keypad Keys

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-35PA_FILT_B+(SOURCE)1019447L100C1107120.p39.pC1106C111139.pR1865.1C1089120.pC1000120.pC111239

Pagina 34 - 2.6 Speaker

4-36 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsL11518.nC1002100.pL1171019447S2S3S4Q100DGGND1GND2S17.5width 2.032DNPDNPC100427.pC1007C10091

Pagina 35 - 3.2 SPI Interface

1-2 INTRODUCTION3.0 Replacement Parts Ordering3.1 Basic Ordering InformationWhen ordering replacement parts or equipment information, the complete ide

Pagina 36 - 3.4 LCD Driver

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-37SPI_MOSISPI_CLKMOD_IN5V3VSYNTH_CS5V2.2uFC2000 390nHL2173V390nHL200C2034120.pC20150.1uFC2005

Pagina 37 - 3.7 Speaker

4-38 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsVCO ShieldVCOBIC ShieldDNPDNPDNP73D02968C74-OTO SHEET 2SHEE 5 OF 8IF20010.KV_SFTX_INJRX_INJ

Pagina 38

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-39DNPDNP51.pIF3001DNPC112124.pC370C32847.p3.9pC3417.5pC368L31018.08nL30918.08nL30018.08nC3538

Pagina 39 - (see table on next page)

4-40 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsCheck if it is 3v or another value3VU301GND4VCC8PWR_GNDU30135TC7W04F5VTO SHEET 218.pC362C33

Pagina 40 - Key_Row Voltage TP402

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-419VCOMP_B+B+BATT_SENSEDNPVAG=4.5v3.3V to IFIC, ASFIC3.3V RF REGULATOR3.3v digitalDNPDNPDNPTO

Pagina 41 - 2.1 Control Head Failure

4-42 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsC5023100nSPKR-SPKR+100nC5034R50161.M12.K24.K100n120.pC5080R50880.200K36K1K120PTO SHEET 2DNP

Pagina 42

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-43DNPTO SHEET 1SPI_CLKSPI_MOSISPI_MISOPLACE NEAR U402DNPDNPPROVIDE WIRED OR OPERATION ON CSPR

Pagina 43

4-44 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsD3_3VDNPDNPSHEET 8 OF 873D02968C74-ODNPR4583.3KVR400VSTBYC417120.pVR4023.30R4020.Q401DNPDNP

Pagina 44

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-45LM2904U10065IF7011784SHEET 3 OF 873D02968C74-OIF700139.pC108239.pC1075U100LM290423184C10711

Pagina 45

4-46 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics3.1 UHF2 PCB 8486684Z02 (Rev. A) Parts List 1-25 WCircuit Ref.Motorola Part No.DescriptionC

Pagina 46 - SHOWN FROM SIDE 1

Radio Model Information 1-33.6 Parts IdentificationRadio Products and Solutions Organization*(United States and Canada)1-800-422-4210* The Radio Produ

Pagina 47 - Control Head CM200 Schematic

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-47C1099 2113740F53 CAP CHIP REEL CL1 +/-30 120C1100 2113740F53 CAP CHIP REEL CL1 +/-30 120C11

Pagina 48

4-48 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsC2041 2113740F53 CAP CHIP REEL CL1 +/-30 120C2042 2113740F53 CAP CHIP REEL CL1 +/-30 120C20

Pagina 49 - Top Side

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-49C347 2113740L07 CAP CER CHIP 3.6PF +-0.1PFC348 2113740L06 CAP CER CHIP 3.3 PF+/-0.1PFC349 2

Pagina 50

4-50 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsC5049 2113743E20 CAP CHIP. 10 UF 10%C5050 2113743E20 CAP CHIP. 10 UF 10%C5051 2113743E20 CA

Pagina 51

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-51C613 2113740F41 CAP CHIP REEL CL1 +/-30 39C614 2113740F41 CAP CHIP REEL CL1 +/-30 39C615 21

Pagina 52

4-52 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsL211 2413926N24 IND CER CHIP 100.0 NH 5%L212 2413926N18 IND CER CHIP 33.0 NH 5%L213 2413926

Pagina 53

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-53R130 0662057B47 CHIP RES 0 OHMS +-.050 OHMSR131 0662057A97 CHIP RES 100K OHMS 5%R134 066205

Pagina 54

4-54 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsR321 0662057A71 CHIP RES 8200 OHMS 5%R322 0662057A65 CHIP RES 4700 OHMS 5%R323 0662057A65 C

Pagina 55

UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / Schematics 4-55R5021 0662057A97 CHIP RES 100K OHMS 5%R5022 0662057A97 CHIP RES 100K OHMS 5%R5023 0662057A9

Pagina 56

4-56 UHF 1-25 W Band 2 PCB 8486684Z02 (Rev. A) / SchematicsR5087 0662057A97 CHIP RES 100K OHMS 5%R5088 0662057B47 CHIP RES 0 OHMS +-.050 OHMSR5089 NOT

Pagina 57

1-4 INTRODUCTIONNotes

Pagina 58 - UHF2, 1-25 W, 438-470 MHz

CM200/CM300/PM400RadiosUHF2 (438-470 MHz) 25-40 WService InformationIssue: November, 2007M

Pagina 59

iiComputer Software CopyrightsThe Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconducto

Pagina 60

iiiTable of ContentsChapter 1 MODEL CHART AND TECHNICAL SPECIFICATIONS1.0 CM200/CM300/PM400 Model Chart...

Pagina 61

iv9.0 Receive Audio Circuits...2-199.1 Squelch Detect ...

Pagina 62

v3.0 UHF 25-40 W Band 4 PCB 8486577Z03 / Schematics ...4-31UHF2 Interconnection between Main Board and Power Amplif

Pagina 63

viNotes

Pagina 64

Chapter 1MODEL CHART AND TECHNICAL SPECIFICATIONS1.0 CM200/CM300/PM400 Model ChartUHF2, 25-40 W, 438-470 MHzModel DescriptionAAM50RPC9AA1A CM200 438-4

Pagina 65

1-2 MODEL CHART AND TECHNICAL SPECIFICATIONS2.0 Technical SpecificationsData is specified for +25°C unless otherwise stated.GeneralSpecification UHF2F

Pagina 66

Technical Specifications 1-3TransmitterSpecification UHF2Power Output 25-40WConducted/Radiated Emissions:-26 dBmAudio Response: (from 6 dB/oct. Pre-Em

Pagina 67

1-4 MODEL CHART AND TECHNICAL SPECIFICATIONSNotes

Pagina 68

Chapter 2MAINTENANCE1.0 IntroductionThis chapter of the manual describes:• preventive maintenance• safe handling of CMOS devices• repair procedures an

Pagina 69

Chapter 2THEORY OF OPERATION1.0 IntroductionThis Chapter provides a detailed theory of operation for the UHF circuits in the radio. Details of the the

Pagina 70

2-2 THEORY OF OPERATION2.2 Receiver Back EndThe IF signal from the crystal filter enters the IF amplifier which provides 20 dB of gain and feeds the I

Pagina 71

UHF Transmitter Power Amplifier (438-470 MHz) 2-3power of the PA.Op-amp U103-3 monitors the drain current of U101 via resistor R122 and adjusts the bi

Pagina 72

2-4 THEORY OF OPERATION3.6 Harmonic FilterInductors L111, L113 and L128 along with capacitors C1011, C1023, C1020, C1016, C1025 and C1026 form a low-p

Pagina 73

UHF (438-470 MHz) Frequency Synthesizer 2-5parameters (four characterize the inverse Bechmann voltage curve and one for frequency accuracy of the refe

Pagina 74

2-6 THEORY OF OPERATION4.3 Voltage Controlled Oscillator (VCO)The Voltage Controlled Oscillator (VCO) consists of the VCO/Buffer IC (VCOBIC, U201), th

Pagina 75

UHF (438-470 MHz) Frequency Synthesizer 2-74.4 Synthesizer OperationThe synthesizer consists of a low voltage FRAC-N IC (LVFRAC-N), reference oscillat

Pagina 76

2-8 THEORY OF OPERATION5.0 Controller Theory of OperationThis section provides a detailed theory of operation for the radio and its components. The ma

Pagina 77

Controller Theory of Operation 2-9The DC voltage applied to connector P2 supplies power directly to the following circuitry:• Electronic on/off contro

Pagina 78

2-10 THEORY OF OPERATIONVoltage regulator U503 provides 5 V for the RF circuits. Input and output capacitors are used to reduce the high frequency noi

Pagina 79

2-2 MAINTENANCE3.0 Safe Handling of CMOS and LDMOSComplementary metal-oxide semiconductor (CMOS) devices are used in this family of radios. CMOS chara

Pagina 80

Controller Theory of Operation 2-11While the radio is switched on, the µP monitors the voltage at the emergency input on the accessory connector via U

Pagina 81

2-12 THEORY OF OPERATION5.5 Serial Peripheral Interface (SPI)The µP communicates to many of the IC’s through its SPI port. This port consists of SPI T

Pagina 82

Controller Theory of Operation 2-135.8 Normal Microprocessor OperationFor this radio, the µP is configured to operate in one of two modes, expanded an

Pagina 83

2-14 THEORY OF OPERATION5.9 Static Random Access Memory (SRAM)The SRAM (U402) contains temporary radio calculations or parameters that can change very

Pagina 84

Transmit Audio Circuits 2-157.0 Transmit Audio CircuitsFigure 2-7 Transmit Audio Paths7.1 Microphone Input PathThe radio supports 2 distinct microphon

Pagina 85

2-16 THEORY OF OPERATION7.1.2 Standard MicrophoneHook Pin is shorted to the hook mic inside the standard Mic, If the mic is out off hook, 3.3 V is rou

Pagina 86

Transmit Signalling Circuits 2-178.0 Transmit Signalling CircuitsFigure 2-8 Transmit Signalling PathFrom a hardware point of view, there are 3 types o

Pagina 87

2-18 THEORY OF OPERATION8.2 High Speed DataHigh speed data refers to the 3600 baud data waveforms, known as Inbound Signaling Words (ISWs) used in a t

Pagina 88

Receive Audio Circuits 2-199.0 Receive Audio CircuitsFigure 2-9 Receive Audio Paths9.1 Squelch DetectThe radio’s RF circuits are constantly producing

Pagina 89

2-20 THEORY OF OPERATION9.2 Audio Processing and Digital Volume ControlThe receiver audio signal (DISC AUDIO) enters the controller section from the I

Pagina 90 - mP U403

General Repair Procedures and Techniques 2-3Chip ComponentsUse either the RLN4062 Hot-Air Repair Station or the Motorola 0180381B45 Repair Station for

Pagina 91

Receive Signalling Circuits 2-219.4 Handset AudioCertain handheld accessories have a speaker within them which require a different voltage level than

Pagina 92

2-22 THEORY OF OPERATIONThe low speed limited data output (PL, DPL, and trunking LS) appears at U504-pin18, where it connects to the µP U403-pin 80.Th

Pagina 93

Chapter 3TROUBLESHOOTING CHARTSThis section contains detailed troubleshooting flowcharts. These charts should be used as a guide in determining the pr

Pagina 94

3-2 TROUBLESHOOTING CHARTS1.0 Troubleshooting Flow Chart for Receiver RF (Sheet 1 of 2)Problem in 12 KHz and 25 KHz channel spacing9V onR310 (LNA)OK?C

Pagina 95

Troubleshooting Flow Chart for Receiver RF (Sheet 1 of 2) 3-31.1 Troubleshooting Flow Chart for Receiver (Sheet 2 of 2)3V(IFIC -Vcc)OK ?InstallationOK

Pagina 96

3-4 TROUBLESHOOTING CHARTS2.0 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 1 of 3)STARTYesNoCheck components between Q100 and RF output, Ant

Pagina 97 - OL 79B02969C78-O

Troubleshooting Flow Chart for 40 W Transmitter (Sheet 1 of 3) 3-52.1 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 2 of 3)NoYesYesNoCheck bi

Pagina 98 - OL 79B02969C79-O

3-6 TROUBLESHOOTING CHARTS2.2 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 3 of 3)NoYesYesNoCheck Final PA StagePA_Bias Voltage at R134RF Vo

Pagina 99

Troubleshooting Flow Chart for Synthesizer 3-73.0 Troubleshooting Flow Chart for Synthesizer5V at pin 6 of D200Isinformationfrom uP U403correct?IsU200

Pagina 100 - DC & AUDIO

3-8 TROUBLESHOOTING CHARTS4.0 Troubleshooting Flow Chart for VCOAre Q200Base at 2.9V Collector at 6.6V Emitter at 2.2VAre U201 Pins15 at 1.0V10 at 3.9

Pagina 101

2-4 MAINTENANCEShieldsRemoving and replacing shields will be done with the R1070 station with the temperature control set to approximately 215°C (415°

Pagina 102 - 73D02968C74-O

Troubleshooting Flow Chart for DC Supply (1 of 2) 3-95.0 Troubleshooting Flow Chart for DC Supply (1 of 2)Since the failure of a critical voltage supp

Pagina 103 - FRACN_63A27

3-10 TROUBLESHOOTING CHARTS5.1 Troubleshooting Flow Chart for DC Supply (2 of 2)Check VDC onC5007V=3.3V?Check Voltage on C5041NoGo to Digital SectionY

Pagina 104 - SHEE 5 OF 8

Chapter 4UHF2 PCB/ SCHEMATICS/ PARTS LISTS1.0 Allocation of Schematics and Circuit Boards1.1 UHF2 and Controller CircuitsThe UHF circuits are containe

Pagina 105 - TO SHEET 1

4-2 UHF2 PCB/ SCHEMATICS/ PARTS LISTSNotes

Pagina 106 - SHEET 6 OF 8

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-32.0 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsTX_INJVREV_BUFFER_IN9VCOMP_B+DET_VFWDFILT_SW_B+INT

Pagina 107

4-4 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsC1016C1020C1025C1026J11L111L113L128L130M4C1007C1008C1009C1013C1017C1021C1276C1277C1278C1279C1280L126

Pagina 108 - SHEET 7 OF 8

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-52M1012M102R150C1002C1089C1106C1112C1273L115L124L125C1000L117C1027C1065C1103C1104C1107C12822Q107R106R

Pagina 109

4-6 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsFILT_SW_B+ D3_3VD3_3VFILT_SW_B+TX_ENSPI_CLK SPI_MOSISPI_MISOSYNTH_CSSYNTH_LOCKVS_AUDIO_SELVS_CSVS_GA

Pagina 110 - SHEET 8 OF 8

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-7SPI_CLKSPI_MOSISQ_DETVS_AUDIO_SELuP_CLKF1200HSIOLSIORESETASFIC_CSCH_ACT3VD3_3V5V3V5VD3_3VSPKR+SPKR-V

Pagina 111 - SHEET 3 OF 8

4-8 UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics0.0662057B47R130U1039108411MC3303120.pC10722113740F53180.p2113740F57C1053R13739.KFILT_SW_B+_PAV_CTRL

Pagina 112 - List 1-25 W

MCM200/CM300/PM400RadiosDetailed Service Manual6881098C00-A

Pagina 113

Notes For All Schematics and Circuit Boards 2-55.0 Notes For All Schematics and Circuit Boards* Component is frequency sensitive. Refer to the Electri

Pagina 114

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-939pFC1095FINAL_CURRENT_SENSEPA_CURRENT120.pC10735113818A0165784U102LM2904R1120662057B05200KR177100FI

Pagina 115

4-10 UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics5VC20150.1uFC20002.2uFL217390nH 5V120.pC20343VC20052.2uF10nC2023L200390nH3VC2035120.p0.1uFC20162.2u

Pagina 116

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-11100.nC2076150.nL2043900pFC20123900pFC2030DNPDNPL203150.nD203C20691.2p6.2pFC2064100.0nL211L20612.5n2

Pagina 117

4-12 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsSH301SHIELD19V3V5V3V5V9VRX_ENIF3001C11213.3pFSH300SHIELD14.7pC34118.08n18.08nL309L300C33420.p3.9pC3

Pagina 118

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-13TC7W04FU30162C312100nBW_SEL3VU301TC7W04F35U301PWR_GND4GND8VCCR3243.3KD3022.4KR327TC7W04FU30117100nC

Pagina 119

4-14 UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics57R01L120120.pC111339.pC109739.pC108811IF502IF503C111439.pC1098120.pCOMP_B+FILT_B+1019447L50010.uC5

Pagina 120

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-15POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRDDETECTOR_AUDIO_SEND_OPT_BRDUNMUTED_RX_AUDIO_SEND_OPT_BRDFL

Pagina 121

4-16 UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics69VRH68VRL13VSS40VSSL87VSSRXFC9348XIRQ91XTAL76PJ577PJ678PJ794RESET12VDD39VDDL88VDDR92VDDSYN51PI550P

Pagina 122

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-171TP408TEST_POINTD3_3V10.KR445Q414R45947.K1.uC49010.KR431VR4006.80D3_3V10.KR444Q415TEST_POINTTP4051B

Pagina 123 - COMPARTMENT

4-18 UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics22.KR1410662057A81C108239pFIF7011INTEGRATOR5180932W01LM2904U10023184120.pC10712113740F5318KR1400662

Pagina 124

2-6 MAINTENANCEMIC_PTT_CH Microphone PTT InputMOD_IN Modulation Signal from ASFICMOD_OUT Modulation Signal to the SynthesizerONOFF_SENSE On off sense

Pagina 125

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-192.1 UHF2 PCB 8486577Z01 Parts List25-40 WCircuit Ref.Motorola Part No.DescriptionC1000 2113740F53 C

Pagina 126 - Keypad/Display

4-20 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsC1088 2113740F41 CAP CHIP REEL CL1 +/-30 39C1089 2113740F53 CAP CHIP REEL CL1 +/-30 120C1090 NOT PL

Pagina 127

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-21C2000 2113743F18 CAP CHIP 2.2 UF 16V +80-20%C2001 2311049J11 CAPACITOR TANT 10% 4.7UFC2002 2311049A

Pagina 128

4-22 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsC304 2113743E20 CAP CHIP. 10 UF 10%C305 2113743E20 CAP CHIP. 10 UF 10%C306 2113743E20 CAP CHIP. 10

Pagina 129

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-23C5002 2311049A99 CAP TANT CHIP 47 UF 10V 20%C5003 2311049A99 CAP TANT CHIP 47 UF 10V 20%C5004 NOT P

Pagina 130

4-24 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsC5092 2113740F59 CAP CHIP REEL CL1 +/-30 220C5094 2113740F59 CAP CHIP REEL CL1 +/-30 220C5095 21137

Pagina 131

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-25D500 4813833C02 DIODE DUAL 70V ‘5B’ COMM CATHD501 NOT PLACED GCAM DUMMY PART NUM-BERD502 4813825A23

Pagina 132

4-26 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsQ301 4813824A17 XSTR PNP40V .2A GENPB=100-300Q302 4813824A10 TSTR NPN 40V .2A GEN PURPQ303 4802245J

Pagina 133

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-27R188 NOT PLACED GCAM DUMMY PART NUM-BERR189 0662057A97 CHIP RES 100K OHMS 5%R190 0662057C35 CHIP RE

Pagina 134

4-28 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsR432 0662057A85 CHIP RES 33K OHM 5%R433 0662057A85 CHIP RES 33K OHM 5%R434 0662057A85 CHIP RES 33K

Pagina 135

Notes For All Schematics and Circuit Boards 2-7VS AUDIO_SEL Switch signal to Enable option board audio output signalVS GAIN_SEL Voice Storage Gain Sel

Pagina 136

UHF 25-40 W Band 2 PCB 8486577Z01 / Schematics 4-29R5082 0662057A90 CHIP RES 51K OHMS 5%R5083 0662057B08 CHIP RES 270K OHMS 5%R5084 0662057B47 CHIP RE

Pagina 137

4-30 UHF 25-40 W Band 2 PCB 8486577Z01 / SchematicsNotes

Pagina 138

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-313.0 UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics9VCOMP_B+DET_VFWDFILT_SW_B+INTEGRATORPA_BIASPA_CU

Pagina 139

4-32 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsC1016C1020C1025C1026J11L111L113L128L130C1006C1010C1011C1023C1108D103D104L114M105M108M109U51623FL301

Pagina 140

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-33C417C5099D402R402R403R404R407R600R615VR503VR692VR694VR697VR698VR699C5037C5055C5063C5094C5119D501D51

Pagina 141

4-34 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsFILT_SW_B+ D3_3VD3_3VFILT_SW_B+TX_ENSPI_CLK SPI_MOSISPI_MISOSYNTH_CSSYNTH_LOCKVS_AUDIO_SELVS_CSVS_G

Pagina 142

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-35SPI_CLKSPI_MOSISQ_DETVS_AUDIO_SELuP_CLKF1200HSIOLSIORESETASFIC_CSCH_ACT3VD3_3V5V3V5VD3_3VSPKR+SPKR-

Pagina 143

4-36 UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics0.0662057B47R130U1039108411MC3303120.pC10722113740F53180.p2113740F57C1053R13739.KFILT_SW_B+_PAV_CTR

Pagina 144

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-3739pFC1095FINAL_CURRENT_SENSEPA_CURRENT120.pC10735113818A0165784U102LM2904R1120662057B05200KR177100F

Pagina 145

4-38 UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics5VC20150.1uFC20002.2uFL217390nH 5V120.pC20343VC20052.2uF10nC2023L200390nH3VC2035120.p0.1uFC20162.2u

Pagina 146

2-8 MAINTENANCENotes

Pagina 147

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-39100.nC2076150.nL2043900pFC20123900pFC2030DNPDNPL203150.nD203C20691.2p6.2pFC2064100.0nL211L20612.5n2

Pagina 148

4-40 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsSH301SHIELD19V3V5V3V5V9VRX_ENIF3001C11213.3pFSH300SHIELD14.7pC34118.08n18.08nL309L300C33420.p3.9pC3

Pagina 149

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-41TC7W04FU30162C312100nBW_SEL3VU301TC7W04F35U301PWR_GND4GND8VCCR3243.3KD3022.4KR327100nC3132FLTRGND3I

Pagina 150 - CM200/CM300/PM400

4-42 UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics57R01L120120.pC111339.pC109739.pC108811IF502IF503C111439.pC1098120.pCOMP_B+FILT_B+1019447L50010.uC5

Pagina 151 - Computer Software Copyrights

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-43POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRDDETECTOR_AUDIO_SEND_OPT_BRDUNMUTED_RX_AUDIO_SEND_OPT_BRDFL

Pagina 152 - Table of Contents

4-44 UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics69VRH68VRL13VSS40VSSL87VSSRXFC9348XIRQ91XTAL76PJ577PJ678PJ794RESET12VDD39VDDL88VDDR92VDDSYN51PI550P

Pagina 153

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-451TP408TEST_POINTD3_3V10.KR445Q414R45947.K1.uC49010.KR431VR4006.80D3_3V10.KR444Q415TEST_POINTTP4051B

Pagina 154

4-46 UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics22.KR1410662057A81C108239pFIF7011INTEGRATOR5180932W01LM2904U10023184120.pC10712113740F5318KR1400662

Pagina 155

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-473.1 UHF2 PCB 8486577Z03 Parts List 25-40 WCircuit Ref.Motorola Part No.DescriptionC1000 2113740F53

Pagina 156 - UHF2, 25-40 W, 438-470 MHz

4-48 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsC1087 2113740F41 CAP CHIP REEL CL1 +/-30 39C1088 2113740F41 CAP CHIP REEL CL1 +/-30 39C1089 2113740

Pagina 157 - 2.0 Technical Specifications

Chapter 3SERVICE AIDS1.0 Recommended Test ToolsTable 3-1 lists the service aids recommended for working on the radio. While all of these items are ava

Pagina 158 - Receiver

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-49C2000 2113743F18 CAP CHIP 2.2 UF 16V +80-20%C2001 2311049J11 CAPACITOR TANT 10% 4.7UFC2002 2311049A

Pagina 159

4-50 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsC304 2113743E20 CAP CHIP. 10 UF 10%C305 2113743E20 CAP CHIP. 10 UF 10%C306 2113743E20 CAP CHIP. 10

Pagina 160 - THEORY OF OPERATION

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-51C5004 NOT PLACED GCAM DUMMY PART NUM-BERC5005 2360567A03 CAP TANTALUMC5006 2311049A57 CAP TANT CHIP

Pagina 161 - 2.2 Receiver Back End

4-52 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsC5095 2113740F59 CAP CHIP REEL CL1 +/-30 220C5096 2113740F59 CAP CHIP REEL CL1 +/-30 220C5097 21137

Pagina 162 - 3.5 Antenna Switch

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-53D502 4813825A23 DIODE, DISCRETE SPE-CIALS VAR&PD511 4813833C02 DIODE DUAL 70V ‘5B’ COMM CATHD51

Pagina 163 - 4.1 Reference Oscillator

4-54 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsQ302 4813824A10 TSTR NPN 40V .2A GEN PURPQ303 4802245J95 BJT, NPN TRANSISTORQ304 4809939C04 TSTR DU

Pagina 164 - 4.2 Fractional-N Synthesizer

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-55R189 0662057A97 CHIP RES 100K OHMS 5%R190 0662057C35 CHIP RES 22 OHMS 5%R191 0662057C35 CHIP RES 22

Pagina 165

4-56 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsR435 0662057A85 CHIP RES 33K OHM 5%R436 0662057A85 CHIP RES 33K OHM 5%R438 0662057A73 CHIP RES 10K

Pagina 166 - 4.4 Synthesizer Operation

UHF 25-40 W Band 2 PCB 8486577Z03 / Schematics 4-57R5085 NOT PLACED GCAM DUMMY PART NUM-BERR5086 0662057A43 CHIP RES 560 OHMS 5%R5087 0662057A97 CHIP

Pagina 167 - 5.1 Radio Power Distribution

4-58 UHF 25-40 W Band 2 PCB 8486577Z03 / SchematicsNotes

Pagina 168

3-2 SERVICE AIDS2.0 Test EquipmentTable 3-2 lists test equipment required to service the radio and other two-way radios.Table 3-2 Recommended Test E

Pagina 169 - 5.3 Automatic On/Off

CM200/CM300/PM400RadiosUHF3 (465-495 MHz) 25-40 WService InformationIssue: November, 2007M

Pagina 170

iiComputer Software CopyrightsThe Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconducto

Pagina 171 - 5.6 SBEP Serial Interface

iiiTable of ContentsChapter 1 MODEL CHART AND TECHNICAL SPECIFICATIONS1.0 PM400 Model Chart...

Pagina 172

iv9.0 Receive Audio Circuits...2-199.1 Squelch Detect ...

Pagina 173 - 2-14 THEORY OF OPERATION

v3.0 UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics ...4-31UHF3 Interconnection between Main Board and Power Amplif

Pagina 175 - 2-16 THEORY OF OPERATION

Chapter 1MODEL CHART AND TECHNICAL SPECIFICATIONS1.0 PM400 Model ChartUHF3, 25-40 W, 465-495 MHzModel DescriptionAAM50SPF9AA3AN PM400 465-495 MHz, 25-

Pagina 176 - 8.1 Sub-Audio Data (PL/DPL)

1-2 MODEL CHART AND TECHNICAL SPECIFICATIONS2.0 Technical SpecificationsData is specified for +25°C unless otherwise stated.GeneralSpecification UHF3F

Pagina 177 - 8.2 High Speed Data

Technical Specifications 1-3TransmitterSpecification UHF2Power Output 25-40WConducted/Radiated Emissions:-26 dBmAudio Response: (from 6 dB/oct. Pre-Em

Pagina 178 - 9.1 Squelch Detect

1-4 MODEL CHART AND TECHNICAL SPECIFICATIONSNotes

Pagina 179 - 2-20 THEORY OF OPERATION

CM200/CM300/PM400RadiosControl HeadService InformationIssue: November, 2007M

Pagina 180 - 9.4 Handset Audio

Chapter 2THEORY OF OPERATION1.0 IntroductionThis Chapter provides a detailed theory of operation for the UHF circuits in the radio. Details of the the

Pagina 181 - 10.2 Alert Tone Circuits

2-2 THEORY OF OPERATION2.2 Receiver Back EndThe IF signal from the crystal filter enters the IF amplifier which provides 20 dB of gain and feeds the I

Pagina 182 - TROUBLESHOOTING CHARTS

UHF Transmitter Power Amplifier (465-495 MHz) 2-3power of the PA.Op-amp U103-3 monitors the drain current of U101 via resistor R122 and adjusts the bi

Pagina 183

2-4 THEORY OF OPERATION3.6 Harmonic FilterInductors L111, L113 and L128 along with capacitors C1011, C1023, C1020, C1016, C1025 and C1026 form a low-p

Pagina 184

UHF (465-495 MHz) Frequency Synthesizer 2-5parameters (four characterize the inverse Bechmann voltage curve and one for frequency accuracy of the refe

Pagina 185

2-6 THEORY OF OPERATION4.3 Voltage Controlled Oscillator (VCO)The Voltage Controlled Oscillator (VCO) consists of the VCO/Buffer IC (VCOBIC, U201), th

Pagina 186

UHF (465-495 MHz) Frequency Synthesizer 2-74.4 Synthesizer OperationThe synthesizer consists of a low voltage FRAC-N IC (LVFRAC-N), reference oscillat

Pagina 187

2-8 THEORY OF OPERATION5.0 Controller Theory of OperationThis section provides a detailed theory of operation for the radio and its components. The ma

Pagina 188 - uP U403

Controller Theory of Operation 2-9The DC voltage applied to connector P2 supplies power directly to the following circuitry:• Electronic on/off contro

Pagina 189 - 3-8 TROUBLESHOOTING CHARTS

2-10 THEORY OF OPERATIONVoltage regulator U503 provides 5 V for the RF circuits. Input and output capacitors are used to reduce the high frequency noi

Pagina 190

iiComputer Software CopyrightsThe Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconducto

Pagina 191

Controller Theory of Operation 2-11While the radio is switched on, the µP monitors the voltage at the emergency input on the accessory connector via U

Pagina 192 - Chapter 4

2-12 THEORY OF OPERATION5.5 Serial Peripheral Interface (SPI)The µP communicates to many of the IC’s through its SPI port. This port consists of SPI T

Pagina 193

Controller Theory of Operation 2-135.8 Normal Microprocessor OperationFor this radio, the µP is configured to operate in one of two modes, expanded an

Pagina 194

2-14 THEORY OF OPERATION5.9 Static Random Access Memory (SRAM)The SRAM (U402) contains temporary radio calculations or parameters that can change very

Pagina 195

Transmit Audio Circuits 2-157.0 Transmit Audio CircuitsFigure 2-7 Transmit Audio Paths7.1 Microphone Input PathThe radio supports 2 distinct microphon

Pagina 196

2-16 THEORY OF OPERATION7.1.2 Standard MicrophoneHook Pin is shorted to the hook mic inside the standard Mic, If the mic is out off hook, 3.3 V is rou

Pagina 197 - Internal SPKR+ Jumper

Transmit Signalling Circuits 2-178.0 Transmit Signalling CircuitsFigure 2-8 Transmit Signalling PathFrom a hardware point of view, there are 3 types o

Pagina 198

2-18 THEORY OF OPERATION8.2 High Speed DataHigh speed data refers to the 3600 baud data waveforms, known as Inbound Signaling Words (ISWs) used in a t

Pagina 199 - MRF1513’s Thermal pad

Receive Audio Circuits 2-199.0 Receive Audio CircuitsFigure 2-9 Receive Audio Paths9.1 Squelch DetectThe radio’s RF circuits are constantly producing

Pagina 200

2-20 THEORY OF OPERATION9.2 Audio Processing and Digital Volume ControlThe receiver audio signal (DISC AUDIO) enters the controller section from the I

Pagina 201 - LVFRACN Shield

iiiTable of ContentsChapter 1 OVERVIEW1.0 CM200 Model...

Pagina 202 - VCOBIC Shield

Receive Signalling Circuits 2-219.4 Handset AudioCertain handheld accessories have a speaker within them which require a different voltage level than

Pagina 203 - MIXER SHIELD

2-22 THEORY OF OPERATIONThe low speed limited data output (PL, DPL, and trunking LS) appears at U504-pin18, where it connects to the µP U403-pin 80.Th

Pagina 204 - AUDIO_FEED

Chapter 3TROUBLESHOOTING CHARTSThis section contains detailed troubleshooting flowcharts. These charts should be used as a guide in determining the pr

Pagina 205 - POWER SUPPLY

3-2 TROUBLESHOOTING CHARTS1.0 Troubleshooting Flow Chart for Receiver RF (Sheet 1 of 2)Problem in 12 KHz and 25 KHz channel spacing9V onR310 (LNA)OK?C

Pagina 206

Troubleshooting Flow Chart for Receiver RF (Sheet 1 of 2) 3-31.1 Troubleshooting Flow Chart for Receiver (Sheet 2 of 2)3V(IFIC -Vcc)OK ?InstallationOK

Pagina 207

3-4 TROUBLESHOOTING CHARTS2.0 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 1 of 3)STARTYesNoCheck components between Q100 and RF output, Ant

Pagina 208 - TO SHEET 2

Troubleshooting Flow Chart for 40 W Transmitter (Sheet 1 of 3) 3-52.1 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 2 of 3)NoYesYesNoCheck bi

Pagina 209

3-6 TROUBLESHOOTING CHARTS2.2 Troubleshooting Flow Chart for 40 W Transmitter (Sheet 3 of 3)NoYesYesNoCheck Final PA StagePA_Bias Voltage at R134RF Vo

Pagina 210

Troubleshooting Flow Chart for Synthesizer 3-73.0 Troubleshooting Flow Chart for Synthesizer5V at pin 6 of D200Isinformationfrom uP U403correct?IsU200

Pagina 211

3-8 TROUBLESHOOTING CHARTS4.0 Troubleshooting Flow Chart for VCOAre Q200Base at 2.9V Collector at 6.6V Emitter at 2.2VAre U201 Pins15 at 1.0V10 at 3.9

Pagina 212

iv2.1 Control Head PCB 8488998U01 Parts List ...4-53.0 Control Head CM300/PM400 - PCB 8489714U01 / Sc

Pagina 213

Troubleshooting Flow Chart for DC Supply (1 of 2) 3-95.0 Troubleshooting Flow Chart for DC Supply (1 of 2)Since the failure of a critical voltage supp

Pagina 214

3-10 TROUBLESHOOTING CHARTS5.1 Troubleshooting Flow Chart for DC Supply (2 of 2)Check VDC onC5007V=3.3V?Check Voltage on C5041NoGo to Digital SectionY

Pagina 215

Chapter 4UHF3 PCB/ SCHEMATICS/ PARTS LISTS1.0 Allocation of Schematics and Circuit Boards1.1 UHF3 and Controller CircuitsThe UHF circuits are containe

Pagina 216

4-2 UHF3 PCB/ SCHEMATICS/ PARTS LISTSNotes

Pagina 217

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-32.0 UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics9VCOMP_B+DET_VFWDFILT_SW_B+INTEGRATORPA_BIASPA_CUR

Pagina 218

4-4 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsC1016C1020C1025C1026J11L111L113L128L130M4C1007C1008C1009C1013C1017C1021C1276C1277C1278C1279C1280L126

Pagina 219

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-52M1012M102R150C1002C1089C1106C1112C1273L115L124L125C1000L117C1027C1065C1103C1104C1107C12822Q107R106R

Pagina 220

4-6 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsFILT_SW_B+ D3_3VD3_3VFILT_SW_B+TX_ENSPI_CLK SPI_MOSISPI_MISOSYNTH_CSSYNTH_LOCKVS_AUDIO_SELVS_CSVS_GA

Pagina 221

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-7SPI_CLKSPI_MOSISQ_DETVS_AUDIO_SELuP_CLKF1200HSIOLSIORESETASFIC_CSCH_ACT3VD3_3V5V3V5VD3_3VSPKR+SPKR-V

Pagina 222

4-8 UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics0.0662057B47R130U1039108411MC3303120.pC10722113740F53180.p2113740F57C1053R13739.KFILT_SW_B+_PAV_CTRL

Pagina 223

iiForewordThis manual is intended for use by service technicians familiar with similar types of equipment. It contains service information required fo

Pagina 224

Chapter 1OVERVIEW1.0 CM200 ModelThe control head contains the internal speaker, the on/off/volume knob, the microphone connector, several buttons to o

Pagina 225

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-939pFC1095FINAL_CURRENT_SENSEPA_CURRENT120.pC10735113818A0165784U102LM2904R1120662057B05200KR177100FI

Pagina 226

4-10 UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics5VC20150.1uFC20002.2uFL217390nH 5V120.pC20343VC20052.2uF10nC2023L200390nH3VC2035120.p0.1uFC20162.2u

Pagina 227

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-11100.nC2076150.nL2043900pFC20123900pFC2030DNPDNPL203150.nD203C20691.2p6.2pFC2064100.0nL211L20612.5n2

Pagina 228

4-12 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsSH301SHIELD19V3V5V3V5V9VRX_ENIF3001C11213.3pFSH300SHIELD14.7pC34118.08n18.08nL309L300C33420.p3.9pC3

Pagina 229

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-13TC7W04FU30162C312100nBW_SEL3VU301TC7W04F35U301PWR_GND4GND8VCCR3243.3KD3022.4KR327100nC3132FLTRGND3I

Pagina 230

4-14 UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics57R01L120120.pC111339.pC109739.pC108811IF502IF503C111439.pC1098120.pCOMP_B+FILT_B+1019447L50010.uC5

Pagina 231

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-15POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRDDETECTOR_AUDIO_SEND_OPT_BRDUNMUTED_RX_AUDIO_SEND_OPT_BRDFL

Pagina 232

4-16 UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics69VRH68VRL13VSS40VSSL87VSSRXFC9348XIRQ91XTAL76PJ577PJ678PJ794RESET12VDD39VDDL88VDDR92VDDSYN51PI550P

Pagina 233

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-171TP408TEST_POINTD3_3V10.KR445Q414R45947.K1.uC49010.KR431VR4006.80D3_3V10.KR444Q415TEST_POINTTP4051B

Pagina 234

4-18 UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics22.KR1410662057A81C108239pFIF7011INTEGRATOR5180932W01LM2904U10023184120.pC10712113740F5318KR1400662

Pagina 235

1-2 OVERVIEWNotes

Pagina 236

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-192.1 UHF3 PCB 8486577Z01 Parts List 25-40 WCircuit Ref.Motorola Part No.DescriptionC1000 2113740F53

Pagina 237

4-20 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsC1089 2113740F53 CAP CHIP REEL CL1 +/-30 120C1090 NOT PLACED GCAM DUMMY PART NUM-BERC1091 NOT PLACE

Pagina 238

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-21C2002 2311049A72 CAP TANT CHIP 10.0UF 10% 10VC2003 2113743K15 CHIP CAP, CER 0.1UFC2004 2113743F18 C

Pagina 239

4-22 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsC307 2113743E20 CAP CHIP. 10 UF 10%C308 2113743E20 CAP CHIP. 10 UF 10%C309 2113743E20 CAP CHIP. 10

Pagina 240

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-23C5003 2311049A99 CAP TANT CHIP 47 UF 10V 20%C5004 NOT PLACED GCAM DUMMY PART NUM-BERC5005 2360567A0

Pagina 241

4-24 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsC5094 2113740F59 CAP CHIP REEL CL1 +/-30 220C5095 2113740F59 CAP CHIP REEL CL1 +/-30 220C5096 21137

Pagina 242

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-25D501 NOT PLACED GCAM DUMMY PART NUM-BERD502 4813825A23 DIODE, DISCRETE SPE-CIALS VAR&PD511 4813

Pagina 243

4-26 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsQ301 4813824A17 XSTR PNP40V .2A GENPB=100-300Q302 4813824A10 TSTR NPN 40V .2A GEN PURPQ303 4802245J

Pagina 244

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-27R189 0662057A97 CHIP RES 100K OHMS 5%R190 0662057C35 CHIP RES 22 OHMS 5%R191 0662057C35 CHIP RES 22

Pagina 245

4-28 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsR434 0662057A85 CHIP RES 33K OHM 5%R435 0662057A85 CHIP RES 33K OHM 5%R436 0662057A85 CHIP RES 33K

Pagina 246

Chapter 2THEORY OF OPERATION1.0 IntroductionThis Chapter provides a detailed theory of operation for the Control head circuits. For details of the tro

Pagina 247

UHF 25-40 W Band 3 PCB 8486577Z01 / Schematics 4-29R5083 0662057B08 CHIP RES 270K OHMS 5%R5084 0662057B47 CHIP RES 0 OHMS +-.050 OHMS (not used in GM3

Pagina 248

4-30 UHF 25-40 W Band 3 PCB 8486577Z01 / SchematicsNotes

Pagina 249

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-313.0 UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics9VCOMP_B+DET_VFWDFILT_SW_B+INTEGRATORPA_BIASPA_CU

Pagina 250

4-32 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsC1016C1020C1025C1026J11L111L113L128L130C1006C1010C1011C1023C1108D103D104L114M105M108M109U51623FL301

Pagina 251

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-33C417C5099D402R402R403R404R407R600R615VR503VR692VR694VR697VR698VR699C5037C5055C5063C5094C5119D501D51

Pagina 252

4-34 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsDIGITALOption BoardKeypad/DisplayAccessory ConnectorEXT_ALARM_OUTEXT_MIC_PTTPROG_INPROG_I/OPROG_I/O

Pagina 253

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-35DC & AUDIO(SOURCE)(SOURCE)(SOURCE)(SOURCE)(SOURCE)POWER CONTROLBOA

Pagina 254

4-36 UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics(SOURCE)DNPPLACED NEAR R122MRF1513’s Thermal padDNPDNPDNPDNPDNPDNPV_CNTRLDNPDNPDNPDNPDNPDNPMRF 1518

Pagina 255

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-37DNPDNPDNPDNPDNPDNPDNPDNPDNPDNPDNPDNPDNPCouplerAntenna ConnectorPA’s

Pagina 256 - UHF3, 25-40 W, 465-495 MHz

4-38 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsLVFRACN ShieldDNPDNPDNPDNPDNPDNPDNPSPI_MOSISPI_CLKMOD_INSYNTH_CSC2048120

Pagina 257

2-2 THEORY OF OPERATIONWhen the host radio needs to send date to the shift register, the radio asserts the shift register chip select and the data is

Pagina 258

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-39DNPDNPDNPVCOBIC ShieldDNPDNPVCO Shield1SH202SHIELD120.pC203282.R2273.3pC20444.7KR2136.8

Pagina 259

4-40 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsFRONT-END SHIELD5V3V3V5V9V9V1SHIELDSH301RX_ENIF3001RXSHIELDSH3001C33818pF3.

Pagina 260

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-4117U301TC7W04F100nC31320.KR30662U301TC7W04F100nC3122.4KR327R3243.3KD3020.1uFC316R30520.K3GND1IN2OUTF

Pagina 261

4-42 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsSOURCEOn/Off for ATE10K47KSpacer for 10 2201%9.3VDNPDNPDNPDNPDNPDNPDNP

Pagina 262

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-43DNPDNPDNPDNPDNPDNPDNPDNPDNPDNPDNPVAG = 4.5VDNPDNPDNPUSE NLAS4599DNPDNP IN

Pagina 263

4-44 UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics10K10K47K47KSPI_MISOSPI_MOSISPI_CLKASFIC_CSEE_CSSYNTH_CSDISPLAY_CS_CHSHIFT_R_CSDNPDNPDNPDNPDNPDNPDN

Pagina 264

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-45DNPDNPDNPDNPDNP10K47K10K47KDNPEXT_ALARM_OUTEXT_MIC_PTTPROG_INPROG_I/0PROG_I/0PROG_I/010K47K47K47K47

Pagina 265

4-46 UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics2113740F41C108239pFDNPIF7011INTEGRATOR22.KR1410662057A81120.pC10712113740F535180932W01LM2904U100231

Pagina 266

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-473.1 UHF3 PCB 8486577Z03 Parts List 25-40 WCircuit Ref.Motorola Part No.DescriptionC1000 2113740F53

Pagina 267

4-48 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsC1087 2113740F41 CAP CHIP REEL CL1 +/-30 39C1088 2113740F41 CAP CHIP REEL CL1 +/-30 39C1089 2113740

Pagina 268

Control Head Model for CM200 2-3If the BOOT_RES (J802-7) line is connected to >5V (e.g. 9.3V) at turn-on, the uP will start in boot mode instead of

Pagina 269

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-49C2000 2113743F18 CAP CHIP 2.2 UF 16V +80-20%C2001 2311049J11 CAPACITOR TANT 10% 4.7UFC2002 2311049A

Pagina 270

4-50 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsC304 2113743E20 CAP CHIP. 10 UF 10%C305 2113743E20 CAP CHIP. 10 UF 10%C306 2113743E20 CAP CHIP. 10

Pagina 271

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-51C5004 NOT PLACED GCAM DUMMY PART NUM-BERC5005 2360567A03 CAP TANTALUMC5006 2311049A57 CAP TANT CHIP

Pagina 272

4-52 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsC5095 2113740F59 CAP CHIP REEL CL1 +/-30 220C5096 2113740F59 CAP CHIP REEL CL1 +/-30 220C5097 21137

Pagina 273

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-53D502 4813825A23 DIODE, DISCRETE SPE-CIALS VAR&PD511 4813833C02 DIODE DUAL 70V ‘5B’ COMM CATHD51

Pagina 274

4-54 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsQ302 4813824A10 TSTR NPN 40V .2A GEN PURPQ303 4802245J95 BJT, NPN TRANSISTORQ304 4809939C04 TSTR DU

Pagina 275

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-55R189 0662057A97 CHIP RES 100K OHMS 5%R190 0662057C35 CHIP RES 22 OHMS 5%R191 0662057C35 CHIP RES 22

Pagina 276

4-56 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsR435 0662057A85 CHIP RES 33K OHM 5%R436 0662057A85 CHIP RES 33K OHM 5%R438 0662057A73 CHIP RES 10K

Pagina 277

UHF 25-40 W Band 3 PCB 8486577Z03 / Schematics 4-57R5085 NOT PLACED GCAM DUMMY PART NUM-BERR5086 0662057A43 CHIP RES 560 OHMS 5%R5087 0662057A97 CHIP

Pagina 278

4-58 UHF 25-40 W Band 3 PCB 8486577Z03 / SchematicsNotes

Pagina 279

2-4 THEORY OF OPERATION3.0 Control Head Model for CM300/PM400The control head contains the internal speaker, the on/off/volume knob, the microphone co

Pagina 281

Control Head Model for CM300/PM400 2-53.3 Keypad KeysThe control head keypad is a four-key design. All keys are configured as two analog lines read by

Pagina 282

2-6 THEORY OF OPERATIONThe HOOK line (J102-6) is used to inform the uP which type of microphone or SCI lead is connected to the microphone socket. The

Pagina 283

Chapter 3TROUBLESHOOTING CHARTS1.0 Control Head CM200 Troubleshooting Chart1.1 Control Head FailureBack lightOK ?Check 9.3V on R808, R809NoControl Hea

Pagina 284

3-2 TROUBLESHOOTING CHARTS1.2 Button/Tones Select Error (Page 1 of 2)NoCheck Voltage Levels onTP401 (Keypad Col)and TP402 (Keypad Row)(see table on ne

Pagina 285

CM200/CM300/PM400RadiosDetailed Service Manual6881098C00-AContentsSection 1 Service MaintainabilitySection 2 Control Head Service InformationSection 3

Pagina 286

Control Head CM200 Troubleshooting Chart 3-31.3 Button/Tones Select Error (Page 2 of 2)Key_ColVoltage (TP401)Key_Column Voltage TP4010.008 V 0.675 V 1

Pagina 287

3-4 TROUBLESHOOTING CHARTS2.0 Control Head CM300/PM400 Troubleshooting Chart2.1 Control Head FailureBack lightOK ?Check 9.3V on Q12, U1 and associated

Pagina 288

Control Head CM300/PM400 Troubleshooting Chart 3-52.2 Button/Tones Select Error (Page 1 of 2)NoCheck Voltage Levels onTP401 (Keypad Col)and TP402 (Key

Pagina 289

3-6 TROUBLESHOOTING CHARTS2.3 Button/Tones Select Error (Page 2 of 2)Key_ColVoltage (TP401)Key_Column Voltage TP4010.008 V 0.675 V 1.346 V 1.997 V 2.6

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Chapter 4CONTROLHEAD PCB / SCHEMATICS / PARTS LISTS1.0 Allocation of Schematics and Circuit BoardsTable 4-1 Control Head Diagrams and Parts ListsPCB

Pagina 291

4-2 CONTROLHEAD PCB / SCHEMATICS / PARTS LISTSNotes

Pagina 292

Control Head CM200 - PCB 8488998U01 / Schematics 4-32.0 Control Head CM200 - PCB 8488998U01 / SchematicsSHOWN FROM SIDE 1D801S801D805J802D804SH1DS801S

Pagina 293

4-4 Control Head CM200 - PCB 8488998U01 / SchematicsDNPChange to 1%Change to 1%COLROWCOLDNPDNPDNPDNPDNPUPDOWNDNPDNPDNPROWChange to 1%Change to 1%Chang

Pagina 294

Control Head CM200 - PCB 8488998U01 / Schematics 4-52.1 Control Head PCB 8488998U01 Parts ListCircuitRefMotorolaPart NoDescriptionC802 2113740F59 CAP

Pagina 295

4-6 Control Head CM300/PM400 - PCB 8489714U01 / Schematics3.0 Control Head CM300/PM400 - PCB 8489714U01 / SchematicsC404321Q12R19R26R27R20R241458U1C11

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THIS PAGE INTENTIONALLY LEFT BLANKNotes

Pagina 297

Control Head CM300/PM400 - PCB 8489714U01 / Schematics 4-710K47K10K47K10K47K10K47K10K47K10K47K9.3 VF1+F2MIC. AUDIOMIC. PTTKEY_ROWKEY_COLSPI_CLK-SPEAKE

Pagina 298

4-8 Control Head CM300/PM400 - PCB 8489714U01 / Schematics3.1 Control Head PCB 8489714U01 Parts ListCircuit RefMotorolaPart NoDescriptionC1 NOTPLACED

Pagina 299

CM200/CM300/PM400RadiosUHF2 (438-470 MHz) 1-25 WService InformationIssue: November, 2007M

Pagina 300

iiComputer Software CopyrightsThe Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconducto

Pagina 301

iiiTable of ContentsChapter 1 MODEL CHART AND TECHNICAL SPECIFICATIONS1.0 CM200/CM300/PM400 Model Chart...

Pagina 302

iv8.3 Dual Tone Multiple Frequency (DTMF) Data...2-189.0 Receive Audio Circuits...

Pagina 303

vUHF2 (438-470 MHz) 1-25 W Power Control Circuit ...4-182.1 UHF2 PCB 8488978U01 (rev. P9) Parts List 1-25 W ...

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viNotes

Pagina 305

Chapter 1MODEL CHART AND TECHNICAL SPECIFICATIONS1.0 CM200/CM300/PM400 Model ChartUHF2, 1-25 W, 438-470 MHzModel DescriptionAAM50RNC9AA1A CM200 438-47

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1-2 MODEL CHART AND TECHNICAL SPECIFICATIONS2.0 Technical SpecificationsData is specified for +25°C unless otherwise stated.GeneralSpecification UHF2F

Pagina 307

CM200/CM300/PM400RadiosService MaintainabilityIssue: November, 2007M

Pagina 308

Technical Specifications 1-3*Availability subject to the laws and regulations of individual countries.TransmitterSpecification UHF2Power Output 1-25WC

Pagina 309

1-4 MODEL CHART AND TECHNICAL SPECIFICATIONSNotes

Pagina 310

Chapter 2THEORY OF OPERATION1.0 IntroductionThis Chapter provides a detailed theory of operation for the UHF circuits in the radio. Details of the the

Pagina 311

2-2 THEORY OF OPERATION2.2 Receiver Back EndThe IF signal from the crystal filter enters the IF amplifier which provides 20 dB of gain and feeds the I

Pagina 312

UHF Transmitter Power Amplifier (438-470 MHz) 2-3power of the PA.Op-amp U103-3 monitors the drain current of U101 via resistor R122 and adjusts the bi

Pagina 313

2-4 THEORY OF OPERATION3.6 Harmonic FilterInductors L111 and L113 along with capacitors C1011, C1023, C1020 and C1016 form a low-pass filter to attenu

Pagina 314

UHF (438-470 MHz) Frequency Synthesis 2-5This oscillator is temperature compensated to an accuracy of +/-2.5 PPM from -30 to 60 degrees C. The tempera

Pagina 315

2-6 THEORY OF OPERATION4.3 Voltage Controlled Oscillator (VCO)The Voltage Controlled Oscillator (VCO) consists of the VCO/Buffer IC (VCOBIC, U201), th

Pagina 316

UHF (438-470 MHz) Frequency Synthesis 2-74.4 Synthesizer OperationThe synthesizer consists of a low voltage FRAC-N IC (LVFRAC-N), reference oscillator

Pagina 317

2-8 THEORY OF OPERATION5.0 Controller Theory of OperationThis section provides a detailed theory of operation for the radio and its components. The ma

Pagina 318

iiComputer Software CopyrightsThe Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconducto

Pagina 319

Controller Theory of Operation 2-9The DC voltage applied to connector P2 supplies power directly to the following circuitry:• Electronic on/off contro

Pagina 320

2-10 THEORY OF OPERATIONVoltage regulator U503 provides 5 V for the RF circuits. Input and output capacitors are used to reduce the high frequency noi

Pagina 321

Controller Theory of Operation 2-11While the radio is switched on, the µP monitors the voltage at the emergency input on the accessory connector via U

Pagina 322

2-12 THEORY OF OPERATION5.5 Serial Peripheral Interface (SPI)The µP communicates to many of the IC’s through its SPI port. This port consists of SPI T

Pagina 323

Controller Theory of Operation 2-135.8 Normal Microprocessor OperationFor this radio, the µP is configured to operate in one of two modes, expanded an

Pagina 324

2-14 THEORY OF OPERATION5.9 Static Random Access Memory (SRAM)The SRAM (U402) contains temporary radio calculations or parameters that can change very

Pagina 325

Transmit Audio Circuits 2-157.0 Transmit Audio CircuitsFigure 2-7 Transmit Audio Paths7.1 Microphone Input PathThe radio supports 2 distinct microphon

Pagina 326

2-16 THEORY OF OPERATION7.1.2 Standard MicrophoneHook Pin is shorted to the hook mic inside the standard Mic, If the mic is out off hook, 3.3 V is rou

Pagina 327

Transmit Signalling Circuits 2-178.0 Transmit Signalling CircuitsFigure 2-8 Transmit Signalling PathFrom a hardware point of view, there are 3 types o

Pagina 328

2-18 THEORY OF OPERATION8.2 High Speed DataHigh speed data refers to the 3600 baud data waveforms, known as Inbound Signaling Words (ISWs) used in a t

Pagina 329

iiiTable of ContentsSAFETY INFORMATION ... vChapter 1 INTRODUCT

Pagina 330 - VCO Shield

Receive Audio Circuits 2-199.0 Receive Audio CircuitsFigure 2-9 Receive Audio Paths9.1 Squelch DetectThe radio’s RF circuits are constantly producing

Pagina 331

2-20 THEORY OF OPERATION9.2 Audio Processing and Digital Volume ControlThe receiver audio signal (DISC AUDIO) enters the controller section from the I

Pagina 332

Receive Signalling Circuits 2-219.4 Handset AudioCertain handheld accessories have a speaker within them which require a different voltage level than

Pagina 333

2-22 THEORY OF OPERATIONThe low speed limited data output (PL, DPL, and trunking LS) appears at U504-pin18, where it connects to the µP U403-pin 80.Th

Pagina 334

Chapter 3TROUBLESHOOTING CHARTSThis section contains detailed troubleshooting flowcharts. These charts should be used as a guide in determining the pr

Pagina 335

3-2 TROUBLESHOOTING CHARTS1.0 Troubleshooting Flow Chart for Receiver RF (Sheet 1 of 2)Problem in 12 KHz and 25 KHz channel spacing9V onR310 (LNA)OK?C

Pagina 336

Troubleshooting Flow Chart for Receiver RF (Sheet 1 of 2) 3-31.1 Troubleshooting Flow Chart for Receiver (Sheet 2 of 2)3V(IFIC -Vcc)OK ?InstallationOK

Pagina 337

3-4 TROUBLESHOOTING CHARTS2.0 Troubleshooting Flow TX RF (No Output Power)STARTKey the radio usingRadster (type k)NoYesYesNoTune thePA_BIASPress F6 an

Pagina 338

Troubleshooting Flow TX RF (No Output Power) 3-52.1 Troubleshooting Flow TX RF (No Output Power/No Current)STARTKey the radio usingRadster (type k)NoY

Pagina 339

3-6 TROUBLESHOOTING CHARTS2.2 Troubleshooting Flow TX RF (Not Txing at Nominal power)Press F6 and read the ASFIC byteIs byte#04=0?NoTune the PA_BIASYe

Pagina 340

ivNotes

Pagina 341

Troubleshooting Flow Chart for Synthesizer 3-73.0 Troubleshooting Flow Chart for Synthesizer5V at pin 6 of D200Isinformationfrom mP U403correct?IsU200

Pagina 342

3-8 TROUBLESHOOTING CHARTS4.0 Troubleshooting Flow Chart for VCOAre Q200Base at 2.4V Collector at 4.5V Emitter at 1.7VAre U201 Pins13 at 4.4V15 at 1.1

Pagina 343

Troubleshooting Flow Chart for DC Supply (1 of 2) 3-95.0 Troubleshooting Flow Chart for DC Supply (1 of 2)Since the failure of a critical voltage supp

Pagina 344

3-10 TROUBLESHOOTING CHARTS5.1 Troubleshooting Flow Chart for DC Supply (2 of 2)Check VDC onC5007V=3.3V?Check Voltage on C5041NoGo to Digital SectionY

Pagina 345

Chapter 4UHF2 PCB/ SCHEMATICS/ PARTS LISTS1.0 Allocation of Schematics and Circuit Boards1.1 UHF2 and Controller CircuitsThe UHF circuits are containe

Pagina 346

4-2 UHF2 PCB/ SCHEMATICS/ PARTS LISTSNotes

Pagina 347

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-32.0 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics9VCOMP_B+DET_VFWDFILT_SW_B+INTEG

Pagina 348

4-4 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsSHOWN FROM SIDE 18488978U01_P9C301C302C303C304C305C306C307C308C309C310C311C312C313C314C315C

Pagina 349

UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 4-5C300C321C323C324C325C326C327C328C329C330C331C332C333C334C335C338C339C340C341C342C343C344C34

Pagina 350

4-6 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / SchematicsAccessory ConnectorControl Head ConnectorNCPlace capacitors near J2 Place capacitors near J

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