Low Band Range 2 (36–42 MHz) PCBs, Schematics, and Parts Lists Section 7: 4-65
6881091C63-F
* Motorola Depot Servicing only
Reference designators with an asterisk indicate 
components which are not field-replaceable 
because they need to be calibrated with 
specialized factory equipment after installation. 
Radios in which these parts have been replaced in 
the field will be off frequency at temperature 
extremes.
†
 Replacement boards must be ordered from 
RPSO  (formerly CCSD and/or AAD) using the 
number shown in the model charts in Section 1. 
Boards are not orderable using the 84-prefixed 
number.
R1454 0613959G55 RES, 180 
R1455 0613959G55 RES, 180 
R1457 0613959G25 RES, 10
R1458 0613958H63 RES, 390 
R1459 0613958H63 RES, 390 
R1460 6012008001 RES, 0.1
R1463 0613952J03 RES, 12K 
R1464 0613952H85 RES, 3300 
R1465 0613952H85 RES, 3300 
R1469 0613958J74 RES, 0
R1472 0613952J01 RES, 10K
R1473 0613959Y25 RES, 10
R1474 0613959Y25 RES, 10
R1475 0613959Y25 RES, 10
R1476 0613959Y25 RES, 10
R1477 0613952H85 RES, 3300 
R1478 0613952J01 RES, 10K
R1479 0613952H85 RES, 3300 
R1480 0613958J11 RES, 27K 
R1482 0613952G67 RES, 0
R1483 0613952H58 RES, 240 
R1484 0613952H73 RES, 1000 
R1501 0613952H69 RES, 680 
R1502 0613958H65 RES, 470
R1503 0613952H85 RES, 3300 
R1504 0613952J01 RES, 10K
R1505 0613952H93 RES, 6800 
R1506 0613952J15 RES, 39K 
R1507 0613952H73 RES, 1000 
R1508 0613958B62 RES, 43.2 
R1509 0613952F01 RES, 100K 
R1511 0613952F01 RES, 100K 
R1513 0613958H74 RES, 1100
R1514 0613952J25 RES, 100K 
R1515 0613952H73 RES, 1000 
R1516 0613958H69 RES, 680 
R1517 0613958H69 RES, 680 
R1518 0613952H85 RES, 3300 
R1519 0613958H69 RES, 680 
R1522 0613952J01 RES, 10K
R1524 0613958H69 RES, 680 
R1526 0613952J25 RES, 100K 
R1527 0613952J25 RES, 100K 
R1528 0613952J08 RES, 20K 
R1532 0613952J23 RES, 82K
R1533 0613952J01 RES, 10K
R1535 0613952B58 RES, 39.2 
R1539 0613952H77 RES, 1500 
R1540 0613952H77 RES, 1500 
R1542 0613952H73 RES, 1000 
R1543 0613952H73 RES, 1000 
Circuit 
Ref
Motorola 
Part No.
Description
R1544 0613952J18 RES, 51K 
R1545 0613952H89 RES, 4700 
R1601 0613952J01 RES, 10K
R1602 0613952H89 RES, 4700 
R1604 0613952H73 RES, 1000 
R1605 0613952J37 RES, 330K
R1606 0613952J29 RES, 150K 
R1607 0613952J46 RES, 750K
R1608 0613952H81 RES, 2200 
R1609 0613952J01 RES, 10K
R1610 0613952J10 RES, 24K 
R1611 0613952H73 RES, 1000 
R1612 0613952H49 RES, 100 
R1613 0613952H83 RES, 2700 
R1614 0613952H73 RES, 1000 
R1615 0613952H73 RES, 1000 
R1616 0613952H57 RES, 220 
R1617 0613952H81 RES, 2200 
R1620 0613952H75 RES, 1200 
R1621 0613952H92 RES, 6200 
R1622 0613952H73 RES, 1000 
R1626 0613952H42 RES, 51
R1627 0613952J01 RES, 10K
R1628 0613952H79 RES, 1800 
R1629 0613952H91 RES, 5600 
R1630 0613952H77 RES, 1500 
R1631 0613952H31 RES, 18
R1632 0613952J10 RES, 24K 
R1635 0613952G67 RES, 0
R1636 0613952H78 RES, 1600
R1637 0613952H80 RES, 2000 
R1638 0613952H79 RES, 1800 
SH1302 26012013001 VCO SHIELD
U0101 5185143000 ASIC MICRO-P
U0111 5116648H01 EEPROM
U0121 5115034H01 FLASH 4MBIT
U0122 5116096H01 SRAM 
U0141 5114000A14 DECODER 
U0211 5114016A18 OP AMP SOIC
U0221 5115062H01 ASFIC_CMP
U0251 5114002A17 MUX/DEMUX 
U0271 5102463J95 AUDIO PA 
U0611 5164015H94 VOLTAGE REGULATOR
U0641 5164015H94 VOLTAGE REGULATOR
U0651 5114014A07 VOLTAGE REGULATOR
U0652 5114004A02 SENSING 
U1001 4815055H01 TRANSISTOR DUAL 
U1051 51012027001 DB MIXER EPP
U1101 5185291Y01 SOIC14
U1102 5185291Y01 SOIC14
U1103 5115281H01 FM IF IC 
Circuit 
Ref
Motorola 
Part No.
Description
U1201 5185177Y01 AT25016 
U1250 51012005001 VOLTAGE REGULATOR
U1377 4815055H01 TRANSISTOR DUAL 
U1378 4815055H01 TRANSISTOR DUAL 
U1401 5115678H01 LDMOS DRIVER 
U1402 5114005A19 OP AMP
U1501 5115022H01 TEMPERATURE SENSOR
U1502 5115344H01 OP AMP
U1503 5185765B26 POWER CONTROL
U1601 51012026001 LINEAR INTEGRATED AMP
VR0151 4813977M11 DIODE MBZ5232
VR0501 4813979C11 DIODE
VR0503 4813979C11 DIODE
VR0504 4813977M36 DIODE MBZ5257
VR0505 4813979C11 DIODE
VR0509 4813977M36 DIODE MBZ5257
VR0510 4813977M36 DIODE MBZ5257
VR0537 4813977M11 DIODE MBZ5232
VR0541 4813977M23 DIODE MBZ5244
VR0601 4813832C77 TRANSIENT SUPPRESOR
VR0621 4813977M11 DIODE MBZ5232
Y0131 4816169H01 CRYSTAL, 38.4KHZ
*Y1101 4880908W08 10.245 MHZ XTAL
Y1102 9186145B02 DISCRIMINATOR 455kHz
Y1202 4816142H01 REFERENCE OSCILLATOR
Circuit 
Ref
Motorola 
Part No.
Description