BAOJIE BJ-9900 Service Manual Download Page 38 | Manualshive

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QUANZHOUBAOJIE ELECTRONICS CO.,LTD. Model:BJ-9900

Version:BJ-9900-0812-V1 Page 38 of 75

C1611

Capacitor

102P

C1613

Capacitor

102P

C1614

Capacitor

102P

C1615

Capacitor

102P

C1617

Capacitor

5P/200V

C1618

Capacitor

56P/500V

C1619

Capacitor

56P/500V

C1620

Capacitor

27P/200V

C1621

Capacitor

27P/200V

C1623

Capacitor

220P/200V

C1624

Capacitor

220P/200V

C1625

Capacitor

0P5/P

C1626

Capacitor

22P/200V

C1627

Capacitor

5P

C1628

Capacitor

102P

C1629

Capacitor

22P/200V

C1630

Capacitor

7P/200V

C1631

Capacitor

22P/200V

C1632

Capacitor

27P/200V

C1633

Capacitor

0P5/P

C1634

Capacitor

472P

C1635

Capacitor

102P

C1636

Capacitor

4P

C1637

Capacitor

102P

C1638

Capacitor

103P

C1639

Capacitor

33P

C1640

Capacitor

56P

C1641

Capacitor

102P

C1642

Capacitor

102P

C1643

Capacitor

102P

C1644

Capacitor

24P

C1645

Capacitor

18P

C1646

Capacitor

10P

C1647

Capacitor

18P/200V

C1648

Capacitor

220P/200V

C1649

Capacitor

220P/200V

C1650

Capacitor

15P/200V

C1651

Capacitor

15P/200V

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Summary of Contents for BJ-9900

Page 1: ...age 1 of 75 Dual Band FM Transceiver BJ 9900 SERVICE MANUAL CONTENTS INTRODUCTION 2 PERSONAL SECURITY 2 CIRCUIT DESCRIPTION 3 BLOCK DIAGRAM 13 Board Unit Schematics Layouts Parts Display Unit 14 TX RX...

Page 2: ...ges caused by typographical or other errors If any technical information discrepancies are found please note that we will be very grateful Baojie reserve explanation rights Meanwhile Baojie company wi...

Page 3: ...first mixer Q1003 Meanwhile UHF local oscillator signal which comes from UHF VCO BQ1116 transmit to the first mixer Q1003 and generate first IF of 38 55MHz main band Main band 144 MHz signal 144MHz si...

Page 4: ...then transmit to ceramic discriminator CD1001 via the IF amplifier in IC1044 The ceramic discriminator will remove any Variance in Amplitude in 450KHz IF signal before voice detecting Demodulated Mai...

Page 5: ...r Q1015 through another low pass filter network Amplified 144MHz signal transmits to first mixer Q1017 through Tuned vibration variable resistance filter network including D1020 D1021 D1022 and relate...

Page 6: ...ker is selected the audio signal will be amplified by IC1069 and then be provided to the built in speaker When the external speaker is selected the audio signal will be amplified by IC1068 and then tr...

Page 7: ...he audio signal which arrive at loud speaker are transferred to the audio amplifier U3001 of PANEL SUB UNIT through the Mic Plug J3004 The amplified audio signal via the front panel separated plug J30...

Page 8: ...ed to variable capacitance diode D1082 and D1085 through transistor exchanger Q1114 and Q1115 Amplified transmitting signal reaching Q113 2transmit to diode switch D1108 through the diode switch D1105...

Page 9: ...r Q1135 in the case of changing the antenna load to maintain a stable output power 144 MHz signal Part of the output of the power amplifier corrected by the D1109 and D1110 and then sent to the APC Au...

Page 10: ...he sub CPU U2001 s pin 23 to the low position then will launch the PTT command to the main CPU IC1104 When the PTT command is received the main CPUIC1104 pin 46 to the high position then activates a V...

Page 11: ...he oscillation frequency of the frequency of the phase comparison between the frequency comparison Its output is a pulse with the same phase The pulse by controlling the voltage in the loop filter are...

Page 12: ...quency of the frequency of the phase comparison between the frequency comparison Its output is a pulse with the same phase The pulse by controlling the voltage in the loop filter are integrated to con...

Page 13: ...NOIZE B SM A SM B DCIN SIGIN CPU5V PLE A PLE B PDA PCK SINHOUT A SINGOUT B POWER SW POWER ON FUN CNTL RD AUXSW AUXSW A AUXSW B MODESW PKTX1200 PK A B PK SQL X RPT NARROW A NARROW B PKS CLONE RST ZCEN...

Page 14: ...S10 A S11 A S12 A S13 A S14 A S15 A S16 A S17 A S18 A S19 A S20 A S21 A S22 A S23 A S24 A S25 A S26 A S27 A S28 A S29 A S30 A S31 A S32 A S33 A S34 A S35 B S1 B S2 B S3 B S4 B S5 B S6 B S7 B S8 B S9 B...

Page 15: ...DISPLAY UNIT LAYOUTS QUANZHOUBAOJIE ELECTRONICS CO LTD Model BJ 9900 Version BJ 9900 0812 V1 Page 15 of 75...

Page 16: ...2P C2011 Capacitor 102P C2012 Capacitor 102P C2013 Capacitor 102P C2014 Capacitor 102P C2015 Capacitor 102P C2016 Capacitor 102P C2017 Capacitor 103P C2018 Capacitor 103P C2019 Capacitor 103P C2020 Ca...

Page 17: ...te D2014 LED White D2015 LED White DS2001 LCD E2001 Capacitor TAN 10uF T Y E2002 Capacitor TAN 10uF T Y E2003 Capacitor TAN 10uF T Y E2004 Capacitor TAN 1uF T Y E2005 Capacitor TAN 10uF T Y E2006 Capa...

Page 18: ...R2020 Resistor 100K R2021 Resistor 100K R2022 Resistor 100K R2023 Resistor 100K R2024 Resistor 220K R2025 Resistor 220K R2026 Resistor 1K R2027 Resistor 1K R2028 Resistor 1K R2029 Resistor 1K R2030 Re...

Page 19: ...r 1K R2059 Resistor 1K R2060 Resistor 1K R2061 Resistor 1K R2062 Resistor 1K R2063 Resistor 1K R2064 Resistor 1K R2065 Resistor 2K2 R2066 Resistor 2K2 R2067 Resistor 2K2 R2068 Resistor 2K2 R2069 Resis...

Page 20: ...R2098 Resistor 47K S2001 Encoder S2002 Encoder S2003 Switch KEY S2004 Switch KEY S2005 Switch KEY S2006 Switch KEY S2007 Switch KEY S2008 Switch KEY S2009 Switch KEY S2010 Switch KEY S2011 Switch KEY...

Page 21: ...104P R1147 100K R1146 150K R1148 22K R1151 1K R1150 390K C1211 103P C1212 104P R1149 10K R1152 4K7 C1213 104P L1056 L1057 R1133 2K2 R1134 100R R1135 0R C1201 102P C1202 223P C1203 15P C1204 6P R1136...

Page 22: ...QUANZHOUBAOJIE ELECTRONICS CO LTD Model BJ 9900 Version BJ 9900 0812 V1 Page 22 of 75 TX RX UNIT LAYOUTS...

Page 23: ...QUANZHOUBAOJIE ELECTRONICS CO LTD Model BJ 9900 Version BJ 9900 0812 V1 Page 23 of 75 TX RX UNIT LAYOUTS...

Page 24: ...citor 102P C1014 Capacitor 102P C1015 Capacitor 0P5 C1016 Capacitor 27P C1017 Capacitor 2P C1018 Capacitor 2P C1019 Capacitor 0P5 C1020 Capacitor 2P C1021 Capacitor 27P C1022 Capacitor 1P5 C1023 Capac...

Page 25: ...P C1054 Capacitor 15P C1055 Capacitor 103P C1056 Capacitor 10P C1057 Capacitor 102P C1058 Capacitor 6P C1059 Capacitor 1P5 C1060 Capacitor 6P C1061 Capacitor 22P C1062 Capacitor 102P C1063 Capacitor 1...

Page 26: ...P5 C1096 Capacitor 47P C1097 Capacitor 8P C1098 Capacitor 1P C1099 Capacitor 1P C1100 Capacitor 47P C1101 Capacitor 102P C1102 Capacitor 103P C1103 Capacitor 102P C1104 Capacitor 7P C1105 Capacitor 10...

Page 27: ...P C1136 Capacitor 102P C1137 Capacitor 102P C1138 Capacitor 0P5 C1139 Capacitor 102P C1140 Capacitor 102P C1141 Capacitor 102P C1142 Capacitor 47P C1143 Capacitor 7P C1144 Capacitor 2P C1145 Capacitor...

Page 28: ...C1181 Capacitor 1P C1182 Capacitor 1P C1183 Capacitor 10P C1184 Capacitor 1P C1185 Capacitor 2P C1186 Capacitor 4P C1187 Capacitor 102P C1188 Capacitor 1P C1190 Capacitor 8P C1191 Capacitor 102P C1193...

Page 29: ...C1223 Capacitor 6P C1224 Capacitor 102P C1226 Capacitor 103P C1227 Capacitor 102P C1228 Capacitor 102P C1229 Capacitor 104P C1230 Capacitor 103P C1231 Capacitor 104P C1232 Capacitor 104P C1233 Capaci...

Page 30: ...Capacitor 104P C1266 Capacitor 103P C1267 Capacitor 103P C1268 Capacitor 102P C1269 Capacitor 22UF C1270 Capacitor 103P C1271 Capacitor 103P C1272 Capacitor 20P C1273 Capacitor 104P C1274 Capacitor 4...

Page 31: ...6 Capacitor 1UF C1317 Capacitor 223P C1318 Capacitor 223P C1320 Capacitor 103P C1321 Capacitor 472P C1323 Capacitor 102P C1325 Capacitor 682P C1326 Capacitor 105P C1327 Capacitor 474P C1328 Capacitor...

Page 32: ...r 102P C1366 Capacitor TAN 10UF 10V C1367 Capacitor TAN 10UF 10V C1368 Capacitor 102P C1369 E Capacitor 470UF 10V C1370 E Capacitor 470UF 16V C1372 Capacitor 104P C1373 Capacitor 1UF C1375 Capacitor 1...

Page 33: ...2 Capacitor 104P C1413 Capacitor 103P C1414 Capacitor 103P C1415 E Capacitor 100UF 16V C1417 Capacitor 22P C1418 Capacitor 105P C1419 Capacitor 22P C1420 Capacitor 102P C1421 Capacitor 103P C1422 Capa...

Page 34: ...103P C1462 Capacitor 100P C1463 Capacitor 103P C1464 Capacitor 104P C1465 Capacitor 3P C1466 Capacitor 102P C1467 Capacitor 22P C1468 Capacitor 102P C1469 Capacitor 223P C1470 Capacitor 104P C1471 Cap...

Page 35: ...C1505 Capacitor 10P C1506 Capacitor 1P C1507 Capacitor 102P C1508 Capacitor 102P C1509 Capacitor 3P C1510 Capacitor 102P C1511 Capacitor 102P C1512 Capacitor TAN 104P T Y C1513 Capacitor 102P C1514 Ca...

Page 36: ...Capacitor 1P5 C1545 Capacitor 102P C1546 Capacitor 102P C1547 Capacitor 102P C1548 Capacitor 104P C1549 Capacitor 102P C1550 Capacitor 10UF C1551 Capacitor 473P C1552 Capacitor 102P C1554 Capacitor 10...

Page 37: ...C1585 Capacitor 474P C1586 Capacitor 18P Q C1587 Capacitor 10P Q C1588 Capacitor 100P Q C1589 Capacitor 104P C1590 Capacitor 102P C1591 Capacitor 33P Q C1592 Capacitor 104P C1593 Capacitor 33P Q C1594...

Page 38: ...Capacitor 22P 200V C1627 Capacitor 5P C1628 Capacitor 102P C1629 Capacitor 22P 200V C1630 Capacitor 7P 200V C1631 Capacitor 22P 200V C1632 Capacitor 27P 200V C1633 Capacitor 0P5 P C1634 Capacitor 472...

Page 39: ...tor 1P5 200V C1667 Capacitor 3P 200V C1668 Capacitor 4P 200V C1669 Capacitor 4P 200V C1670 Capacitor 0P5 200V C1671 Capacitor 2P 200V C1672 Capacitor 2P 200V C1673 Capacitor 4P 200V C1674 Capacitor 4P...

Page 40: ...003 MCF CFWM450E CF1004 MCF CFWM450G CR1010 Crystal 32 768KHz CR1101 Crystal 3 579MHz D1001 Diode HSC277 D1002 Diode HSC277 D1003 Diode Varactor D1004 Diode Varactor D1005 Diode Varactor D1006 Diode V...

Page 41: ...038 Diode Rectifier diode D1039 Diode HSC277 D1040 Diode HSC277 D1041 Diode HSC277 D1042 Diode HSC277 D1043 Diode HSC277 D1044 Diode HSC277 D1045 Diode HSC277 D1046 Diode HSC277 D1047 Diode Composite...

Page 42: ...de Composite diode D1099 Diode HSC277 D1100 Diode Composite diode D1101 Diode HSC277 D1102 Diode HSC277 D1103 Diode HZM13NB2 D1104 Diode Composite diode D1105 Diode HSC277 D1106 Diode HSC277 D1107 Dio...

Page 43: ...Operational amplifier IC1066 IC Switch IC IC1067 IC Switch IC IC1068 IC Audio amplifier IC1069 IC Audio amplifier IC1071 IC Switch IC IC1080 IC Power management IC IC1081 IC Power management IC IC108...

Page 44: ...uctor Wire wound L1015 Inductor Air Core Coil L1016 Inductor Air Core Coil L1017 Inductor Ceramic L1018 Inductor Ceramic L1019 Inductor Ceramic L1020 Inductor Wire wound L1021 Inductor Wire wound L102...

Page 45: ...ic L1052 Inductor Ceramic L1053 Inductor Ceramic L1054 Inductor Ceramic L1055 Inductor Ceramic L1056 Inductor Ceramic L1057 Inductor Wire wound L1058 Inductor Wire wound L1059 Inductor CI1UH L1060 Ind...

Page 46: ...e Coil L1094 Inductor Air Core Coil L1095 Inductor Air Core Coil L1096 Inductor Air Core Coil L1097 Inductor Air Core Coil L1098 Inductor CI1 0UH L1099 Inductor Air Core Coil L1100 Inductor Air Core C...

Page 47: ...e bead L1133 Inductor Wire wound L1134 Inductor Ferrite bead L1136 Inductor Ceramic L1138 Inductor Ceramic Q1001 Transistor N MOSFET Q1002 Transistor N MOSFET Q1003 Transistor N MOSFET Q1004 Transisto...

Page 48: ...Transistor NPN transistor Q1048 Transistor NPN transistor Q1049 Transistor Bias resistor transistor Q1050 Transistor NPN transistor Q1056 Transistor NPN transistor Q1057 Transistor NPN transistor Q10...

Page 49: ...ransistor Bias resistor transistor Q1108 Transistor PNP transistor Q1109 Transistor Bias resistor transistor Q1110 Transistor Bias resistor transistor Q1111 Transistor PNP transistor Q1112 Transistor...

Page 50: ...esistor 100K R1008 Resistor 100K R1009 Resistor 100K R1010 Resistor 33K R1011 Resistor 220K R1012 Resistor 100R R1013 Resistor 1K R1014 Resistor 100R R1015 Resistor 0R R1016 Resistor 4K7 R1017 Resisto...

Page 51: ...2K2 R1051 Resistor 1K2 R1052 Resistor 47K R1053 Resistor 220K R1057 Resistor 82K R1059 Resistor 10K R1060 Resistor 47R R1061 Resistor 47K R1062 Resistor 10K R1063 Resistor 47R R1064 Resistor 47R R1065...

Page 52: ...r 47R R1093 Resistor 10K R1094 Resistor 47R R1095 Resistor 47R R1096 Resistor 330R R1097 Resistor 100R R1098 Resistor 47K R1100 Resistor 1M5 R1101 Resistor 47R R1102 Resistor 330R R1103 Resistor 100R...

Page 53: ...or 22R R1133 Resistor 2K2 R1134 Resistor 100R R1135 Resistor 0R R1136 Resistor 560R R1137 Resistor 330K R1138 Resistor 8K2 R1139 Resistor 0R R1140 Resistor 220R R1141 Resistor 100R R1142 Resistor 470R...

Page 54: ...tor 0R R1173 Resistor 220R R1174 Resistor 470R R1175 Resistor 100R R1176 Resistor 10R R1177 Resistor 100R R1178 Resistor 150K R1179 Resistor 10K R1180 Resistor 100K R1181 Resistor 22K R1182 Resistor 3...

Page 55: ...tor 100K R1213 Resistor 330K R1214 Resistor 33K R1215 Resistor 2K7 R1216 Resistor 3K3 R1217 Resistor 100K R1218 Resistor 150K R1219 Resistor 47R R1220 Resistor 4K7 R1222 Resistor 22K R1223 Resistor 22...

Page 56: ...tor 100K R1252 Resistor 470R R1253 Resistor 10R R1254 Resistor 47R R1255 Resistor 0R R1263 Resistor 10K R1264 Resistor 330K R1265 Resistor 330K R1274 Resistor 1K R1275 Resistor 1K R1276 Resistor 10K R...

Page 57: ...r 270R R1307 Resistor 270R R1308 Resistor 270R R1309 Resistor 270R R1310 Resistor 4K7 R1311 Resistor 390K R1312 Resistor 390K R1313 Resistor 47K R1314 Resistor 10R R1315 Resistor 10R R1316 Resistor 10...

Page 58: ...R1345 Resistor 27K R1346 Resistor 47K R1347 Resistor 220R R1348 Resistor 4K7 R1349 Resistor 4K7 R1350 Resistor 680K R1351 Resistor 470K R1352 Resistor 22K R1353 Resistor 47R R1354 Resistor 220K R1355...

Page 59: ...Resistor 1K R1385 Resistor 10K R1386 Resistor 1K R1388 Resistor 1K R1389 Resistor 1K R1390 Resistor 1K R1391 Resistor 1K R1392 Resistor 1K R1393 Resistor 22K R1394 Resistor 100K 1 R1395 Resistor 1K R...

Page 60: ...1435 Resistor 1K R1436 Resistor 1K R1437 Resistor 1K R1438 Resistor 1K R1439 Resistor 1K R1440 Resistor 1K R1441 Resistor 1K R1442 Resistor 1K R1443 Resistor 1K R1444 Resistor 1K R1445 Resistor 1K R14...

Page 61: ...R1473 Resistor 1K R1474 Resistor 1K R1475 Resistor 1K R1476 Resistor 1K R1477 Resistor 1K R1478 Resistor 1K R1479 Resistor 1K R1480 Resistor 1K R1481 Resistor 1K R1482 Resistor 1K R1483 Resistor 1K R1...

Page 62: ...or 470K R1512 Resistor 120K R1513 Resistor 82K R1514 Resistor 10K R1515 Resistor 470K R1516 Resistor 10K R1517 Resistor 1K R1520 Resistor 100R R1523 Resistor 22K R1524 Resistor 100K R1525 Resistor 680...

Page 63: ...istor 22K R1558 Resistor 15K R1559 Resistor 47R R1560 Resistor 470R R1561 Resistor 33K R1562 Resistor 680R R1563 Resistor 47R R1564 Resistor 10K R1565 Resistor 33K R1566 Resistor 330R R1567 Resistor 1...

Page 64: ...stor 1K R1596 Resistor 33K R1597 Resistor 100R R1598 Resistor 220R R1599 Resistor 10K R1600 Resistor 10K R1601 Resistor 100K R1602 Resistor 10R R1603 Resistor 1K R1604 Resistor 1K R1605 Resistor 330K...

Page 65: ...R1635 Resistor 82R R1636 Resistor 82R R1637 Resistor 220R R1638 Resistor 47R R1639 Resistor 47R R1640 Resistor 47R R1641 Resistor 820R 1 2W R1642 Resistor 820R 1 2W R1643 Resistor 470R 1 2W R1644 Resi...

Page 66: ...istor 47R R1680 Resistor 220R R1681 Resistor 100R R1682 Resistor 100R R1683 Resistor 1K R1684 Resistor 1K R1685 Resistor 1K R1686 Resistor 1K R1689 Resistor 33K R1690 Resistor 1K R1691 Resistor 1K R16...

Page 67: ...Transistor Bias resistor transistor T1021 Transistor Bias resistor transistor T1022 Transistor Bias resistor transistor T1023 Transistor Bias resistor transistor T1024 Transistor Bias resistor transis...

Page 68: ...pacitor 100P C1322 Capacitor 102P C1333 Capacitor 102P C1362 Capacitor 105P C1376 Capacitor 102P C1416 Capacitor TAN 10uF C1423 Capacitor 102P C1425 Capacitor TAN 10uF C1485 Capacitor 102P C1494 Capac...

Page 69: ...128 Diode 1N4148 E1010 Capacitor TAN 10uF E1011 Capacitor TAN 10uF IC1042 IC CPU IC1043 IC CPU IC1045 IC Power management IC JP1012 PIN ASSY 0 5 10P JP1015 PIN ASSY 0 5 7P 2B JP1016 PIN ASSY 0 5 7P 2B...

Page 70: ...R1401 Resistor 10K R1402 Resistor 100K R1404 Resistor 4K7 R1405 Resistor 22K R1406 Resistor 47K R1521 Resistor 0R R1536 Resistor 10K R1674 Resistor 10K R1705 Resistor 47K R1706 Resistor 47K R1707 Res...

Page 71: ...33K R3009 100K R3014 47K R3013 100R R3003 10K R3015 0R C3001 470P C3002 223P C3003 223P C3004 103P C3008 102P C3007 102P C3010 105P C3005 15P C3011 102P C3006 562P C3012 NC R3007 2K2 1 2 3 4 5 6 7 8 9...

Page 72: ...citor 102P C3009 Capacitor 102P C3010 Capacitor 105P C3011 Capacitor 102P J3002 Modular JACK J3004 Modular JACK JP3001 PIN ASSY 0 5 10PIN R3001 Resistor 2M2 R3002 Resistor 150K R3003 Resistor 10K R300...

Page 73: ...1K R4004 1K R4003 1K C4001 103P C4002 103P C4005 103P C4004 103P C4003 103P 1 2 3 4 5 J4001 NC A SQL A AF DXKEY 5V VR L VR5001 10KB 10KA SW R5001 10R R5002 10R R5006 2K2 R5005 1K R5004 1K R5003 1K C5...

Page 74: ...05 Capacitor 103P C5001 Capacitor 103P C5002 Capacitor 103P C5003 Capacitor 103P C5004 Capacitor 103P C5005 Capacitor 103P R4001 Resistor 10R R4002 Resistor 10R R4003 Resistor 1K R4004 Resistor 1K R40...

Page 75: ...68mm Width Height Depth Weight About 1KG Transmitter Receiver High 40W VHF 144MHz 35W UHF 440MHz Mid band 38 55MHz 450KHz Main band 49 95MHz 450KHz Sub band Output power Low 20W VHF UHF Circuit Type D...

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