Motorola GP series Service Information

VHF PCB 8486101B11 Parts List 4-60
* 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.
R3812 NOTPLACED
R3816 0662057M74 1K
R3817 0662057M01 0
R3818 NOTPLACED
R3821 0662057M58 220
R3822 0662057M42 47
R3823 0662057N11 33K
R3824 0662057N07 22K
R3825 0662057M38 33
R3826 0662057M32 18
R3828 0662057M50 100
R3829 0662057M01 0
R3830 NOTPLACED
R3831 0662057M98 10K
R3832 0662057N01 12K
R3833 0662057M58 220
R3834 0662057M42 47
R3835 0662057N15 47K
R3836 0662057M98 10K
R400 0662057N15 47K
R4001 0662057M74 1K
R4002 0662057M74 1K
R4003 0662057M74 1K
R4004 0662057M74 1K
R4005 0662057M74 1K
R4006 0662057M74 1K
R4007 0662057M74 1K
R4008 0662057M74 1K
R4009 0662057M74 1K
R401 0662057M01 0
R402 NOTPLACED
R403 NOTPLACED
R405 0662057M01 0
R406 0662057N20 75K
R407 0662057N19 68K
R408 NOTPLACED
R409 0662057M98 10K
R410 0662057N23 100K
R411 0662057M98 10K
R413 0662057M01 0
R414 0662057V34 180K
R415 0662057V26 91K
R416 0662057M98 10K
R418 0662057M01 0
R419 0662057M67 510
R420 0662057B46 10M
R421 0662057M81 2K
Circuit
Ref.
Motorola
Part No.
Description
R423 0662057N21 82K
R424 0662057N12 36K
R425 0662057N10 30K
R426 0662057N35 330K
R427 0662057M84 2.7K
R428 0662057M10 2.2
R429 0662057N20 75K
R431 0662057N39 470K
R432 0662057N16 51K
R434 0662057M62 330
R435 0662057M81 2K
R436 0662057M01 0
R437 NOTPLACED
R445 0662057N08 24K
R447 0662057N23 100K
R448 0662057M98 10K
R449 0662057N08 24K
R450 0683962T45 68
R451 0662057N03 15K
R452 0662057N23 100K
R453 NOTPLACED
R454 NOTPLACED
R455 NOTPLACED
R456 0662057M01 0
R457 0662057M98 10K
R460 0662057M90 4.7K
R461 0662057M56 180
R462 0662057M98 10K
R463 0662057M61 300
R471 0662057N06 20K
R472 0662057M93 6.2K
R473 0662057M26 10
R475 0662057M01 0
R476 0662057N35 330K
R477 0662057M74 1K
R478 0662057M98 10K
R481 0662057N08 24K
R492 0662057M01 0
R498 0662057M98 10K
R499 0662057M98 10K
R501 0662057M70 680
R502 0662057M56 180
R505 0662057M98 10K
R506 0662057N15 47K
R625 NOTPLACED
R626 NOTPLACED
R627 NOTPLACED
Circuit
Ref.
Motorola
Part No.
Description
R701 0662057N05 18K
R702 0662057N05 18K
R703 0662057M74 1K
R704 0662057N13 39K
R705 0662057N13 39K
R706 0662057N17 56K
R707 0662057M91 5.1K
R708 0662057N41 560K
R709 0662057N47 1M
R710 0662057N39 470K
R716 0662057N01 12K
R717 0662057M82 2.2K
RT3301 NOTPLACED
RT400 0680590Z01 THERMISTOR_33K
S501 4080710Z02 Frequency Switch
S502 1880619Z02 POTENTIOMETER
(VOLUME)
SH3201 2602023X08 Rx Backend Top Shield
SH3202 2686081B02 LVZIF shields
SH3203 2686081B03 45.1MHz Xtal Filter Shield
SH3301 2686081B01 Receiver Front-End Bottom
Shield
SH3302 2686081B05 Mixer Shield
SH3303 2686081B06 Receiver Front-End Top
Shield
SH3501 2686081B03 Harmonic Filter Shield
SH3502 2686081B04 PA driver Shield
SH3701 2680511Z01 Synthesizer Top Shield
SH3702 2680511Z01 Synthesizer Bottom Shield
SH3801 2680513Z01 VCO Resonators Shield
SH3802 2680514Z01 VCO Buffer IC Shield
SH400 2680505Z01 Controller Memory Shield
SH401 2680506Z01 Controller On-off Shield
SH402 2680515Z01 Microprocessor Shield
SH403 2680516Z01 Asfic_Cmp, Audio PA Shield
SH701 2680677Z01 Voice Storage Shield
T3301 2580541Z02 Balun Transformer
T3302 2580541Z02 Balun Transformer
U3201 5102463J58 3.3V Regulator
U3220 5109632D83 LVZIF IC
U3501 5185130C65 LDMOS Driver IC
U3502 5185765B26 PCIC
U3503 5185963A15 Temperature sensor
U3701 5185963A27 LVFRACN Synthesizer IC
U3711 5105739X05 5V Regulator
U3801 5105750U54 VCO BUFFER IC
U400 5102463J40 3.3V Regulator
Circuit
Ref.
Motorola
Part No.
Description
U404 5185130C53 ASFIC_CMP IC
U405 5102463J36 Static RAM_32K X 8
U406 5102463J60 Flash ROM_512K X 8
U407 5102495J05 EEPROM_16K X 8
U409 5102226J56 Micro Processor
U410 5102463J57 3.3V Regulator
U420 5102463J44 Audio PA
U601 NOTPLACED
U700 5185770M01 IC Voice Storage
U710 5102463J52
QUAD ANALOG SWITCH IC
U720 5113818A01 SING Supply IC
VR3501 4880140L17 ZENER DIODE - 12V
VR432 4805656W08 5.6V Zener diode
VR433 4805656W08 5.6V Zener diode
VR434 4802245J73 ZENER DIODE-6.8V
VR439 4880140L17 ZENER DIODE - 12V
VR440 NOTPLACED
VR441 NOTPLACED
VR442 NOTPLACED
VR444 NOTPLACED
VR447 4802245J74 ZENER DIODE-10V
VR448 4802245J74 ZENER DIODE-10V
VR449 4802245J74 ZENER DIODE-10V
VR450 4802245J75 ZENER DIODE-12V
VR460 4802245J73 ZENER DIODE-6.8V
VR483 4802245J74 ZENER DIODE-10V
VR484 4802245J74 ZENER DIODE-10V
VR501 4802245J73 ZENER DIODE-6.8V
VR506 4802245J73 ZENER DIODE-6.8V
Y3200 9186153B01 Crystal Filter
Y3761 4805875Z04 16.8MHz Xtal Oscillator
Y3762 NOTPLACED
8486101B11 VHF GP1280 Main PC Board
Circuit
Ref.
Motorola
Part No.
Description

Motorola GP series Specifications

General

Operating Temperature	-30°C to +60°C
Frequency Range	136-174 MHz
Number of Channels	16
Channel Spacing	12.5 kHz / 25 kHz
Battery Life	8 hours (with standard battery)
Operating Voltage	7.5V DC
Ingress Protection	IP54
MIL-STD	810 C, D, E, F