Motorola Gm Series Detailed 6864115b62 A Manual
Here you can view all the pages of manual Motorola Gm Series Detailed 6864115b62 A Manual. The Motorola manuals for Portable Radio are available online for free. You can easily download all the documents as PDF.
Page 51
Chapter 4 LOW BAND PCB/SCHEMATICS/PARTS LISTS 1.0 Allocation of Schematics and Circuit Boards 1.1 Controller Circuits The Low Band circuits are contained on the printed circuit board (PCB) which also contains the Controller circuits. This Chapter shows the schematics for the Low Band circuits only, refer to the Controller section for details of the related Controller circuits . The PCB component layouts and the Parts Lists in this Chapter show both the Controller and Low Band circuit components. The...
Page 52
4-2Low band pcb/schematics/parts lists Table 4-3 LB3 25-60W Diagrams and Parts Lists PCB : 8485908z02 Main Board Top Side 8485908z02 Main Board Bottom Side P age 4 -29 P age 4 -3 0 SCHEMATICS Power Amplifier 25-60W (Sheet 1 of 2) Power Amplifier 25-60W (Sheet 2 of 2) Voltage Controlled Oscillator Receiver Front End IF (Sheet 1 of 2) IF (Sheet 2 of 2) Noise Blanker FRACN Page 4 -3 1 P age 4 -3 2 P age 4 -3 3 P age 4 -3 4 P age 4 -3 5 P age 4 -3 6 P age 4 -3 7 P age 4 -38 Parts List 848 5908...
Page 53
LB Range1 25-60W PCB 8486206B06 / Schematics4-32.0 LB Range1 25-60W PCB 8486206B06 / Schematics C0101 C0102 C0104 C0105 C0106 C0107 C0121C0131C0132 C0211 C0212 C0221 C0222 C0223C0225 C0226 C0227 C0228 C0231 C0232 C0233 C0234 C0235 C0236C0237 C0241 C0242 C0243 C0244 C0245C0246 C0251 C0252 C0253 C0254C0255 C0256 C0261 C0262 C0275 C0290 C0291 C0292C0293C0331 C0401 C0441 C0442 C0443 C0445 C0446 C0447 C0448 C0449C0451 C0452 C0453 C0455 C0456 C0457 C0458 C0459 C0460 C0461 C0462 C0463 C0464 C0466 C0467 C0468...
Page 54
4-4LB Range1 25-60W PCB 8486206B06 / Schematics C0103 C0111 C0112C0122 C0123 C0141 C0151 C0201 C0202 C0203 C0204 C0205 C0224C0265 C0266C0267 C0271 C0272 C0273 C0274 C0276 C0277 C0301C0302 C0303 C0304 C0305 C0324C0325 C0341 C0342 C0343 C0344 C0351 C0352 C0353 C0354 C0402C0403 C0406 C0407 C0408 C0409 C0410 C0411 C0421 C0422 C0423C0426 C0427 C0428 C0429 C0430 C0431 C0485 C0491 C0492 C0497C0499C0541 C0542C0554 C0558C0559 C0560 C0575 C0576 C0591 C0592 C0593 C0611C0621 C0622 C0641 C0644C0645 C0661 C0662 C0663...
Page 55
LB Range1 25-60W PCB 8486206B06 / Schematics4-5 1.8V-2.2V 1.8-2.2V 1.75Vpp 1.8V-2.2V 12Vpp J1401 L1423 430pF124.327nH 130pF C1481 C1422 FN0:NOTPLACEDC1449 4.7uH .01uF 16 RFIN6 RFOUT1 7 RFOUT2 1 VCNTRL 14 VD12 VG1 3 VG2L1402 4 GND1 5 GND2 12 GND3 13 GND4 8 NC1 9 NC2 10 NC3 15 NC4 U140130C65 17 EP 11 G2 C1413 .01uFL1424 56nH FN0:NP 1uF C1425 10 R1421 .01uF C140510uFC1458 75pF C148656pF 180 R14541uFC1452 C1471 C1469 .01uF C1468.01uF 0C1433 1uF 27Vpp 78Vpp2Vdc 143Vpp189Vpp186Vpp 27Vpp R14820.1uF C1402C1529...
Page 56
4-6LB Range1 25-60W PCB 8486206B06 / Schematics 6.00V (44W) 3.00V (72W) 2.90V (44W) 2.46V (72W) 1.86V (44W) 6.34V (72W) 2.51V (72W) 1.90V (44W) 0.825V 9V3 Q1504 Q1502 R1508 1% 43.2 D1503 D1502 R1545 4.7K Q1506C1532 10uF TP1505 680CSX TEMPSENSE_PA_1 R1537R1501 1000pFC1531 1.5K39.2 1% R1535 .01uFC1530 R1515 R1524 1K 680 100K R1510 1.5KR1541R1511 100K 1000pFC1505 100KR1512Q1503 82K R1532 R1502 470 U1502 2 31 8 4CLK_PA_1DATA 7 8 4FECNTL_1_PA_1 9T1_PA_1 U1502 6 59V3_PA_1 R1509 100K C1512 R1522 10K 1uF C1509...
Page 57
LB Range1 25-60W PCB 8486206B06 / Schematics4-7 2.5 - 11 VDC8.2VDC (R) -2.2VDC (R) 2.4VDC (R)0VDC (R) 4.7VDC (T) 8.5VDC (R) 0VDC (T) +14 dBm (R) 4.8VDC (R) 0.5VDC (R) 0.7VDC (R) 3.4VDC (R) -1.9VDC (T) 2.4VDC (T) 4.3VDC (T)3.5VDC (T) 0.7VDC (T)3.7VDC (T) 4VDC (R) 8.2VDC (T) 0.5VDC (T)+3 dBm (T) C1318 .01uF.01uF C1312 C13132 4 1 3 .01uFU1377 R1326C1341 56pF C1333 5610K 56pFR1311 1.2K R1313 2 3 1Q1305 4.7pF CR1314L1316 33uH C1335 L1322 33uH D SPRE_IN TXINJ_VCO_1 Q1306PRE_IN_VCO_1 R1341 100 .01uFC1339RXINJ...
Page 58
4-8LB Range1 25-60W PCB 8486206B06 / Schematics AT ANTENNA PORT J1401 -47 dBm (1mVrms) -50 dBm -38 dBm +14 dBm (R) 9.1VDC (T) 0VDC (R) 9.14VDC 8.36VDC (R) 9.1VDC (T) 9.03VDC (R) 0VDC (T) 4.60VDC 4.00VDC 1.47VDC 4.56VDC 0.18VDC 0.94VDC C1041L10039V3 220pF10%0.1uF 130nH300pF C1031 L1004C1022 RXIN_FE_1 130nHC1015 .01uF 360pF C1021L1009 130nH 130pFC1034C1026 .01uF 9T1_FE_1 C1016 200pFC1024 C1035330pF9T1 91pF L1014 C1003 220pFC1006 220nH C1013 91pF 0.1uFC1017 .01uF 270pF 130nHL1008 220pFC1025 0.1uF C1012...
Page 59
LB Range1 25-60W PCB 8486206B06 / Schematics4-9 -48.0 dBm-34.0 dBm -38 dBm -34 dBm 3.10 V 2.25 V5.94 V 7.50 V 1.10 V 6.40 V R1109 330 36pF C1115 120pF C1112 R1135R1108 3.3K 62 BLNKR_SWITCH_IF_1 R1111 47 FN0:NP L1108 18uH R1104 8.2K 15 R113433uH L1110 100 R1106 S L1104 6.8uH Q1104 D 120pF C1149 9V3_IF_1 200pF C1103L1105 6.8uH NOISE_BLNKR_IF1 3.3uH L1102D S C1102 91pFC1110 FN0:NP Q1102 S BLNKR_SWITCH 62pFQ1103 D Q110182pF C1107C1116 39pF 9V3 0.1uF C1114 36pF C1109 L1103 1.8uHR1110 100 FN0:NP6.8pF C1120...
Page 60
4-10LB Range1 25-60W PCB 8486206B06 / Schematics 3.10 V5V (20KHz, 30KHz) 0V (12.5KHz) +13 dBm 120 mV rms 0.78 V 0.025 V-20 dBm RSSI_IF_1 U1101-3 MC74HC4066 6CNTL 89 14VDD7VSS R1137 12K C1129 22pFR112010K R1130 51.01uF R1124 FN0:NP C1140 11 10 14VDD7VSS 0 U1102-4 MC74HC406612CNTLR1129 47K 47K DISCAUDIOC113910K 680.01uF 0.1uF R1136 C1130 C1135 0.1uF 68pFR1121 C1148 GND1 3 GND2 4 1 IN2 OUT 8.2KR1132CFWC455FFL1106 R11312.4KQ1105 15K3.3K R11330 R1126 FN0:NP 0 R1125 FN0:NP 2 3 1 120pF D1101 Y1101 08W0810.245...