Motorola Radius Cm200 Cm300 Pm400 Detailed 6881098c00 A Manual
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Troubleshooting Flow Chart for Synthesizer3-7 3.0 Troubleshooting Flow Chart for Synthesizer 5V at pin 6 of D200 Is information from mP U403 correct ? Is U200 Pin 47 at = 13VDC ? Is U201 Pin 19 4.5 VDC in TX? (at VCO section) ? Sta rt Visual check of the Board OK?Correct Problem Check 5V Regulator U503 +5V at U200 Pin’s 13 & 30 ? Is 16.8MHz Signal at U200 Pin 19 ? Check Y201 and associated Parts Are signals at Pin’s 14 &15 of U200 ? Check R228Check R201 Is U200 Pin 2 >4.5 VDC in Tx &
3-8TROUBLESHOOTING CHARTS 4.0 Troubleshooting Flow Chart for VCO Are Q200 Base at 2.4V Collector at 4.5V Emitter at 1.7V Are U201 Pins 13 at 4.4V 15 at 1.1V 10 at 4.5V 16 at 1.9V Low or no RF Signal at TP1 Visual check of board OK? 35mV DC at U201 Pin 19 NO YES at base of Q200 NO NO NO YES YESYESLow or no RF Signal at input to PA 4.8V DC at U201 Pin 19 Is RF available at C2060 YES YESYES YES NO NO NO NO NO Audio =180mVRMSat “-” Side of 4.5VDC at D205 If R211 and R12 are OK, then replace D205 Replace R211 Replace R212 NONO YES YES If parts between R109 & U201 Pin10 are OK, replace U201 TX VCO RX VCO Correct ProblemVisual check of board OK? Check runner between U200 Pin 2 and U201 Pin 19 Is RF available Replace U201 If all parts associated with the pins are OK, replace Q200 If all parts from collector of Q200 to TP1 are OK, replace Q200 Power OK but no modulation Check parts to pre-driver If all parts associated with the pins are OK, replace U201 YESYES Make sure Synthesizer is working correctly and runner between U200 Pin 28 and U201 Pin 14 & and is OK 4.5V DC OK ? OK? OK? D205 at U201 Pin 14 & 18 4.5V DC OK ? at U201 Pin 14&18 NO
Troubleshooting Flow Chart for DC Supply (1 of 2) 3-9 5.0 Troubleshooting Flow Chart for DC Supply (1 of 2) Since the failure of a critical voltage supply might cause the radio to automatically power down, supply voltages should first be probed with a multimeter. If all the board voltages are absent, then the voltage test point should be retested using a rising-edge-triggered oscilloscope. If the voltage is still absent, then another voltage should be tested using the oscilloscope. If that voltage is present, then the original voltage supply in question is defective and requires investigation of associated circuitry. Check VDC on C5008 V=3.3V ?Check Voltage on C5043NoGo to D3_3VYe s 9v
3-10TROUBLESHOOTING CHARTS 5.1 Troubleshooting Flow Chart for DC Supply (2 of 2) Check VDC on C5007 V=3.3V ?Check Voltage on C5041NoGo to Digital SectionYe s 9v
Chapter 4 UHF2 PCB/ SCHEMATICS/ PARTS LISTS 1.0 Allocation of Schematics and Circuit Boards 1.1 UHF2 and Controller Circuits The UHF circuits are contained on the printed circuit board (PCB) which also contains the Controller circuits. This Chapter shows the schematics for both the UHF circuits and the Controller circuits. The PCB component layouts and the Parts Lists in this Chapter show both the Controller and UHF circuit components. The UHF and Controller schematics and the related PCB and parts list are shown in the tables below. Table 4-1 UHF2 1-25 W Diagrams and Parts Lists PCB : 8488978U01 (P9) Main Board Top Side 8488978U01 (P9) Main Board Bottom SidePage 4-4 Page 4-5 SCHEMATICS Main Circuit Transmitter Synthesiser and VCO Receiver Front and Back End DC and Audio Ccts Microprocessor and Controller Ccts Power Control Cct Page 4-6/Page 4-7 Page 4-8/Page 4-9 Page 4-10/Page 4-11 Page 4-12/Page 4-13 Page 4-14/Page 4-15 Page 4-16/Page 4-17 Page 4-18 Parts List 8488978U01 (P9)Page 4-19 Controller version is T1 Table 4-2 UHF2 1-25 W Diagrams and Parts Lists PCB : 8486684Z02 (Rev. A) Main Board Top Side 8486684Z02 (Rev. A) Main Board Bottom SidePage 4-31 Page 4-32 SCHEMATICS Main Circuit Transmitter Synthesiser and VCO Receiver Front and Back End DC and Audio Ccts Microprocessor and Controller Ccts Power Control Cct Page 4-33/Page 4-34 Page 4-35/Page 4-36 Page 4-37/Page 4-38 Page 4-39/Page 4-40 Page 4-41/Page 4-42 Page 4-43/Page 4-44 Page 4-45 Parts List 8486684Z02 (Rev. A)Page 4-46 Controller version is T1
UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics4-32.0 UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics 9V COMP_B+ DET_VFWD FILT_SW_B+ INTEGRATORPA_BIAS PWR_SETRX RX_EN TX_ENTX_INJ SHEET 1 OF 8 73D02968C74-O 9V COMP_B+ DET_VFWD FILT_SW_B+ INTEGRATORPA_BIAS PWR_SET RX RX_EN TX_EN TX_INJ MAIN COMPARTMENT UHF2 Interconnection between Main Board and Power Amplifier Compartment
4-4UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics SHOWN FROM SIDE 18488978U01_P9 C301 C302 C303 C304 C305 C306 C307C308 C309 C310 C311 C312C313 C314 C315 C316C317 C318 C319 C320 C322 C336 C337 C359C360 C361C362 C364 C365 C369 C371 C402 C406C411 C414 C418 C490 C602 C603C604 C605C606 C607 C608 C609C610C611 C612 C613C614 C615 C616 C617 C618C619 C620 C621C622 C623 C624C625 C626 C627 C628C629 C630 C631C632C633 C662 C678 C1001 C1004 C1005 C1006C1007C1008 C1009 C1010 C1011C1012 C1013C1014 C1016 C1020 C1021 C1023 C1026 C1031 C1033 C1034 C1037 C1038 C1039 C1041 C1042 C1044 C1052 C1057 C1063 C1064C1065 C1074 C1082 C1084C1087 C1088C1097 C1098C1099C1100 C1104 C1108 C1113 C1114 C1115C1116 C1117 C1118 C1119 C1122 C1123 C1124 C1125 C1129 C1131 C1151 C1152 C1153 C1154 C1155 C1156 C1263 C1264 C2001 C2002C2004 C2012C2013 C2014 C2016 C2024C2025 C2026 C2027 C2028 C2030C2033 C2036C2052 C2055 C2056 C2057 C2058 C2059 C2061C2062 C2063 C2064C2066 C2067 C2068 C2069 C2073C2074 C2075 C2077 C2078C2079 C2080 C2081C5001 C5003C5005 C5006 C5008 C5010C5011 C5012 C5013 C5014C5015 C5016 C5018 C5019 C5020C5021 C5022 C5023 C5024 C5025C5026C5027 C5028C5029 C5030C5032 C5033 C5034 C5035C5038 C5042 C5043 C5044 C5046 C5047 C5048 C5050C5051 C5052 C5053 C5054 C5056C5057 C5059C5062C5064 C5066C5068 C5070 C5071C5074 C5076 C5078C5079C5080 C5081 C5087C5088C5089 C5090 C5095 C5096C5100C5101 C5102 C5103 C5110 C5111 C5113C5114 C5115 C5116C5117 C5118 2 CR300D103 D104 D200 D201 2 D203 2 D204 D205D301 D302 D303 D304 2 D400 2 D401 2 D500 D502 2 D513 2 3 4 5 6FL300 FL301FL302 4 32 FL303 4 3 2 FL304O J11 L103L104 L105 L107 L108L111 L113 L114L119 L120 L122 L126 L203L204 L205 L206L207L210 L211L213 L214 L215 L303L305 L315 M1M2 M3 M4 M51 M61 M9 1 M100 M101M102 M103M104 M105M106 M107 OM108 OM109 OM1101P1 8 7 1 34 6 2 5 Q100 2 Q302 2 Q305 Q400 Q407 Q414 2 Q415 2 Q500 2 Q503 R106 R109 R148 R150 R151R159 R171 R173R174 R178 R179 R182 R200 R202 R206R208 R211 R212R217 R221 R222 R224 R225 R226R228 R232 R233 R234R302 R303 R304R305 R306R307 R308 R309 R311R312 R313R314 R315 R316 R317R318 R319 R320 R321 R322 R323 R324R325R327R328 R329 R332 R333R335 R337 R339 R406 R428R429 R430R431 R439 R440 R441 R444 R445 R450 R451 R458R459 R461 R462 R472 R473 R601 R602 R610 R5000 R5001 R5009 R5010 R5011 R5019R5021 R5022 R5024 R5031 R5032 R5033 R5034R5038 R5039 R5040 R5043 R5044R5045 R5046 R5047 R5048 R5050 R5052R5053 R5054 R5055 R5056 R5057 R5063R5064 R5065 R5066 R5067 R5068 R5070 R5071 R5073 R5074 R5075 R5077 R5079R5080 R5081R5082 R5083 R5084 R5085 R5086 R5087 R5089 R5092 R5093 R5094 R5095R5096R5097 R5098 R5099 R5100 RT100 1SH200 1SH202TP3 1 16 8 9U101 1 3725 13 U200 11 1 2010 U300 45 8 U30122 218 7 1 U402 1 4 58 U5005 2 3 4 U501 19 U502 1 458 U503 137 25 13U504 1 4 5 8 U505 1 458 U506 32 1 U508 16 1 8 9 U509 U515 VR500 2 VR501 VR5042 VR693 2 Y300 4 3 2 Y301 SHOWN FROM SIDE 1OL 79B02969C76-O OL 79B02969C78-O UHF2 (438-470 MHz) 1-25 W 8488978U01 (rev. P9), Top Side
UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics4-5 C300 C321C323 C324 C325 C326C327 C328 C329C330 C331 C332 C333 C334 C335 C338 C339C340 C341 C342C343 C344C345 C346 C347 C348 C349 C350 C351 C353 C354 C355C356 C357 C358C366 C367 C368 C370 C400C401C403 C404 C405 C407 C408 C410C412 C413 C415 C416 C417 C421 C422C423 C1000 C1002 C1027 C1028 C1029C1032 C1035 C1036C1040 C1043 C1045 C1046C1047 C1050C1051C1053 C1054 C1059C1060 C1061 C1062 C1066 C1067 C1070 C1071 C1072 C1073 C1075 C1076 C1077 C1078 C1079 C1080 C1081C1083 C1085 C1086 C1089 C1090 C1091 C1092 C1093C1096 C1101C1103 C1106 C1107 C1109 C1110 C1111 C1112 C1121 C1126 C1127C1128 C1130 C1132 C1260 C1261 C2000 C2003 C2005 C2006 C2007C2008 C2009 C2010 C2011 C2015 C2017 C2018C2019 C2020 C2021 C2022 C2023 C2029C2031C2032 C2034 C2035 C2037 C2038C2039 C2040C2041 C2042 C2043 C2044 C2045C2046 C2047 C2048 C2049 C2050 C2051 C2053 C2054 C2060 C2065 C2070 C2071 C2072C2076 C2129 C2198 C5000 C5002 C5007 C5009 C5017 C5031 C5036 C5037 C5039 C5040 C5041 C5045 C5049C5055 C5058 C5060 C5061 C5063 C5065 C5067 C5069C5072 C5073 C5075 C5077 C5082C5083 C5084 C5085 C5086 C5091C5092C5094 C5097 C5098 C5099 C5104 C5119 C5120 2 CR301 2 D100 2 D102 D105 D106 D202 2 D305 D402 2 D501 2 D511 1 J2 29 282 2930 32 31 J3L100 L101L115 L117 L118 L121 L200 L201 L202 L208 L209 L212 L216 L217L300 L301 L302 L304L306 L307 L308 L309L310 L311 L312 L313 L314 L500 L501 L502M111 M112 M113 M114 1 P2 P2 2 Q101 2 Q102 2 Q103 1 2 3 Q105 Q106 Q106 Q200 Q201 Q300 2 Q301 Q303 Q304 2 Q3062 Q401 Q403 Q404 Q405Q408 Q409 Q410 Q411 Q412 Q413 Q416 2 Q417 Q501Q502 Q504 2 Q505 2 Q506 R103 R104R107 R108 R117 R118 R119R122 R126 R127 R128 R130 R131R134 R135 R136 R137 R138 R139 R140R141 R142 R143 R145 R147 R149 R153 R155 R156 R157 R158 R160 R161 R165 R166 R167R168 R169 R170 R172 R175 R180 R181 R183 R185R186 R201 R203 R204 R205 R207 R209 R210 R213 R214 R215R216 R218 R219 R220 R223 R227 R229R230 R231 R235R300 R301 R310 R326 R330 R331 R334R336 R338 R340 R345 R346 R347 R401R402 R403 R404 R405 R407 R414 R415R421 R422 R423 R424R425 R426 R427 R432 R433 R434 R435 R436 R438 R442 R443R453 R454 R455 R456 R457 R460 R463R466 R467 R468R469 R470 R471 R600 R603 R604R615 R5002 R5008 R5013 R5014 R5016R5020 R5023 R5025 R5026 R5027 R5028 R5029 R5030 R5035 R5036 R5037 R5041 R5042R5049 R5051 R5058 R5059 R5060R5061R5062 R5069 R5072 R5076 R5078 R5088R5103 16 5 4 3 2 S5010 1SH201SH300 SH301 SH302 6 4 3T300 6 4 3 T301 TP1 TP2 TP4 TP150 TP200 TP201 TP400TP401 TP402 TP403 TP404 TP405 TP406 TP407 TP408TP409 TP410 TP425TP425 TP500 TP555 TP556 1 45 8 U100 14 5 8U102 87 1 14U103 11 1 2010 U201 U302 U302 1 4 5 8 U400 1 7651 26 U403 32 17 16 1 16 1 8 9 U405 14 5 8U507 U510 U514 2 VR101 2 VR102 2 VR400VR401 2 VR402 VR502 VR503 2 VR6922 VR694 2 VR695 2 VR696 2 VR6972 VR698 2 VR699 Y200 43 2Y201 8488978u01_p9 SHOWN FROM SIDE 2OL 79B02969C77-O OL 79B02969C79-O U404 UHF2 (438-470 MHz) 1-25 W 8488978U01 (rev. P9), Bottom Side
4-6UHF 1-25 W Band 2 PCB 8488978U01 (rev. P9) / Schematics Accessory Connector Control Head Connector NC Place capacitors near J2Place capacitors near J2 Place capacitors near J2 Place capacitors near J2ELP ONLY NC ELP ONLY NCELP ONLY NCELP ONLY Internal spkr+ jumper DNP J3 - DNP DNPDNP DIGITAL Option Board Keypad/DisplayAccessory Connector EXT_ALARM_OUT EXT_MIC_PTT PROG_IN PROG_I/O PROG_I/O PROG_I/O TO DC & AUDIOTO SHEET 1 220 TX AUDIO SEND DETECTOR AUDIO SENDTX AUDIO RETURN UNMUTED RX AUDIO SEND POST-LIMITER FLAT TX AUDIO RETURN RX AUDIO RETURNRESET DIGITAL 3.3 VOLT SUPPLY GND ANALOG 3 VOLT SUPPLY BACKLIGHT GND EXTERNAL_ MIC VOICE STORAGE AUDIO SELECT OPTION BOARD ENABLE DATA READY/REQUEST SERIAL CLOCK SERIAL DATA RETURN SERIAL DATA SEND PUSH TO TALK DISPLAY DRIVER CHIP SELECT KEYPAD ROW KEYPAD COLUMN DISPLAY_DRIVER_COMMAND/DATA_SEL VOICE STORAGE INT VOICE STORAGE RAC VOICE STORAGE CS VOICE STORAGE GAIN SELECT DISPLAY_DRIVER_CS_EN SHIFT_REG_CS DISPLAY_DRIVER_COMMAND/DATA_SEL KEYPAD_COLUMN KEYPAD_ROW SCI_PROGRAMMING BOOT/RESET SPI_MOSI MIC_PTT HOOK9.3V D3_3V HANDSET_RX_AUDIO MIC_AUDIO SPKR- SPKR+ DISPLAY_DRIVER_RESET SPI_CLK GND GND Option Board Connector 28 Pins ConnectorDNP 33. P1-1 D3_3V J3-23 23 J3-9 9 VS_GAIN_SEL VSTBY3V 0.0 R602 9V0. R603 0. R604 J2-4 4J2-2 2 19 J2-11 11 J2-14 14 15 J2-20 20 J2-19J2-7 7 J2-18 18 J2-15 J2-22G2J2-12 12 17 J2-5 5 J2-16 16 J2-13 13J2-21G1 J2-9 9 J2-8 8 J2-17 J2-6 6 J2-3 3 J2-10 10 J2-1 30 J3-31 31 J3-32 32 10FILT_SW_B+D3_3V D3_3V 1 5 J3-5 J3-29 29 J3-30 10 J3-10 13 J3-13 J3-1918 J3-18 8 J3-825 16 J3-1617 J3-17 2 J3-2 J3-20 20 J3-11 11 15 J3-15 J3-27 27 6 J3-6J3-28 22J3-22 1 J3-1 24 28 J3-26 26 J3-24 1n 7 J3-7J3-14 14 3 J3-34J3-4 0.R600 19J3-12 12 J3-21 21 VR692 20.0 J3-25 OPT_DATA_R_OPBDOPT_EN_OPBD HOOK_CH MIC_PTT_CHRESET SHIFT_R_CS VOL_INDIRECT ONOFF_SENSE EMERGENCY_SENSE VOX BATT_SENSE BOOT_EN_IN_CHVS_INT VS_RAC VS_CS VS_AUDIO_SEL FILT_SW_B+ CH_ACT ASFIC_CS SYNTH_LOCKSYNTH_CSRSSI uP_CLKF1200 SQ_DET LSIO HSIO DISPLAY_CS_CH COMM_DATA_SEL_CH KEYPAD_COL_CH KEYPAD_ROW_CH SCI_CH PROG_O-ACC_C_4 PROG_I-ACC_C_3 PROG_IO-ACC_C_14PROG_I-ACC_C_6 PROG_IO-ACC_C_8 PROG_IO-ACC_C_12RX_EN LOC_DIST TX_EN SPI_MOSISPI_CLK SPI_MISO D3_3V 20.0 VR692 100. 330.0 R6019V R615 C678 100.n 33. VR693 C662 R610 1n 1nC633 C632 C631 1nC630 1n C629 1n 1nC6281n 1nC626 C627 1n 1nC625 C624 1n 1n C622 C623 1n 1nC621 C6201n 1n C618 C619 1n 1nC617 C616 1n 1n C614 C615 1n 1nC613 C612 C611 1n 1n C610 1n 1nC609 C608 C607 1n 1n C606 1n 1nC605 C604 C603 1nC602 1n VR698 20.0VR694 20.0 20.0 20.0 VR697 VR699 VR695 20.0 VR696 P1-7 7P1-13 13P1-10 P1-14 14 8 P1-12 12 P1-9 9 P1-8 P1-6 6 P1-4 4 P1-3 3 P1-15 15 FILT_SW_B+ 5 P1-11 11 2 P1-5 1 P1-16 16 P1-2 DNP UHF2 (438-470 MHz) 1-25 W Main Circuit (Sht 1 of 2)