Motorola Cm Radio Uhf2 Hp Information Manual
Here you can view all the pages of manual Motorola Cm Radio Uhf2 Hp Information Manual. The Motorola manuals for Portable Radio are available online for free. You can easily download all the documents as PDF.
Page 41
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...
Page 42
4-2UHF2 PCB/ SCHEMATICS/ PARTS LISTS THIS PAGE INTENTIONALLY LEFT BLANK
Page 43
UHF2 25-40W PCB 8486577Z01 / Schematics4-32.0 UHF2 25-40W PCB 8486577Z01 / Schematics TX_INJVREV_BUFFER_IN 9V COMP_B+ DET_VFWD FILT_SW_B+ INTEGRATORPA_BIAS PA_CURRENTPWR_SETRX RX_EN TX_EN TX_INJ VREV_BUFFER_IN 9V COMP_B+ DET_VFWD FILT_SW_B+ INTEGRATOR PA_BIAS PA_CURRENT PWR_SET RX RX_EN TX_EN MAINCOMPARTMENT UHF 2 Interconnection between Main Board and Power Amplifier Compartment
Page 44
4-4UHF2 25-40W PCB 8486577Z01 / Schematics C1016 C1020 C1025 C1026J11 L 111 L113 L128L130M4 C1007C1008 C1009 C1013C1017 C1021 C1276 C1277C1278 C1279 C1280 L126 L127C1004 C1005 C1274 C1275 3 2 145 6 7 8 Q100 C1037 C1251C1252 C1253 C1267 L122 R195 C1012 C1151 C1156 C1254 C1268C1269C1270 C1014 C1255 C1256 R194C1258 C1052 L103 RT100 M110R148 R151 C1082 M103M104 M106C110 1 C1064 4 3R101 C1001 2 Q104 R193 R198 R199 C1281 C1153 C1099 C1152 C1095 C 111 6 C1283 R196 2 Q108 C 111 5L119 2 R197 C1100 C1031C1033...
Page 45
UHF2 25-40W PCB 8486577Z01 / Schematics4-5 2 M101 2 M102 R150 C1002C1089 C1106 C 111 2 C1273 L115L124 L125 C1000 L117 C1027 C1065C1103 C1104C1107 C12822 Q107 R106 R184 R189 R192 R190R191C1040 C1055 C1056 C1061 C1073 C1086C10922 D100 L121R110 R 111 R112 R113R114 R115 R116 R126 R127 R128 R129 R131 R132 R134 R138 R147 R166 R169 R175 R177 1 4 5 8 U102 C1028C1054C1066 C1070 C1091C1157 L118 2 Q101 2 Q102 1 2 3 Q105R136 R139 R149 R153R155 R176 R180TP150 C1126 C1051 C1053 C1060C1260 C1261R122 R130R135 R137 R145...
Page 46
4-6UHF2 25-40W PCB 8486577Z01 / Schematics FILT_SW_B+ D3_3V D3_3V FILT_SW_B+TX_ENSPI_CLK SPI_MOSI SPI_MISO SYNTH_CS SYNTH_LOCK VS_AUDIO_SEL VS_CS VS_GAIN_SELVS_INT VS_RACuP_CLK OPT_EN_OPBDRESETRSSI RX_EN SQ_DETCH_ACT F1200HSIO LOC_DIST LSIO OPT_DATA_R_OPBDASFIC_CS SCI_CH SHIFT_R_CS COMM_DATA_SEL_CHDISPLAY_CS_CH HOOK_CH KEYPAD_COL_CH KEYPAD_ROW_CH MIC_PTT_CH BOOT_EN_IN_CH VOL_INDIRECT VOX VSTBY EMERGENCY_SENSEONOFF_SENSE BATT_SENSE PROG_I-ACC_C_3 PROG_I-ACC_C_6 PROG_IO-ACC_C_12...
Page 47
UHF2 25-40W PCB 8486577Z01 / Schematics4-7 SPI_CLK SPI_MOSI SQ_DET VS_AUDIO_SELuP_CLK F1200 HSIO LSIO RESET ASFIC_CS CH_ACT 3VD3_3V 5V3V5V D3_3V SPKR+ SPKR- VOL_INDIRECT VOX VSTBY FLAT_TX_AUDIO_INPUT_ACCESS_CONN IGNITION ONOFF_SENSE RX_AUDIO_OUTPUT_ACCESS_CONNBATT_SENSE EMERGENCY_ACCES_CONN EMERGENCY_SENSE EXTERNAL_MIC_AUDIO_ACCESS_CONN HANDSET_RX_AUDIO_CH MIC_AUDIO_CH 5V_CH TX_AUDIO_RETURN_OPT_BRD TX_AUDIO_SEND_OPT_BRD UNMUTED_RX_AUDIO_SEND_OPT_BRD VS_MIC POST_LIMITER_FLAT_TX_AUDIO_RETURN_OPT_BRD...
Page 48
4-8UHF2 25-40W PCB 8486577Z01 / Schematics 0. 0662057B47R130U103 9 10 84 11 MC3303120.p C1072 2113740F53 180.p 2113740F57 C1053 R137 39.K FILT_SW_B+_PA V_CTRL_PREDRIVER VCNTR12113743K15100nC1264 C1263 2113741F251.n 2113740F53120.p C1261 10.n 2113741F49C1260 120.pC1060 0662057C19 R122 FLT_9V R168 4.7 0662057A582.2K 0662057A57 R165 2.4K57R01L100 PA_FILT_B+ 120.p C1000 39.p C1112 39.p C1111C1110 39.p 39.p C1109 120.p C1089 120.p C1107 C1106 39.pC1027 10uFC1103 33n 2680499Z01 HEATSINKM100 1 POS...
Page 49
UHF2 25-40W PCB 8486577Z01 / Schematics4-9 39pFC1095FINAL_CURRENT_SENSE PA_CURRENT 120.p C10735113818A01 6 5 7 8 4U102 LM2904 R112 0662057B05 200KR177 100 FILT_SW_B+_PA R132 100K 120.pC1055 C110120.pC1056 120.p 10K 1KR115 10K 0662057A49R110 0662057A73 R116 R113 0662057A73 0662057A49 10K10K 1K R111 0662057A73R114 17nHL115 2460592A01120pFC1002 2111078B44 2111078B44C1273 120pF 2460592A01L125 17nH57R01 L117 57R01 L124 LOAD_2 43 12 1.639mR101 3 IN2 6OUT17OUT2 1GND14 GND2 GND3 5 8 GND4 GND5 9 GND610 2...
Page 50
4-10UHF2 25-40W PCB 8486577Z01 / Schematics 5V C2015 0.1uF C2000 2.2uFL217 390nH 5V 120.p C2034 3V C2005 2.2uF 10n C2023 L200 390nH 3V C2035 120.p 0.1uF C2016 2.2uF C2004 100. R228 A2 A3 K1 K2 K3 D200A1 R202 0.NC NCA1 A2 A3 K1 K2 K3 D201 120.p C2036 4.7uF C2001 0.1uF C2013 C2055 22p C202710n 10n C2026 10n C2025 C2024 10n 150. R225 R226 150. 120.p C2049 100. R229 16.8MHZ 120.p C2050 SYNTH_LOCKTEST_POINT TP2011 R205 0.R209 100.K R207 150.K 3V R204 0. 100n C20205V C2054 62.00p 120.p C2053 R210 100.K FREQ...