Motorola GP series Service Information

4-24 VHF PCB 8086101B09 Parts List (GP1280)
* 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.
SH3701 2680511Z01 SHIELD SYNTHESIZER
SH3702 2680511Z01 SHIELD SYNTHESIZER
SH3801 2680513Z01 SHIELD VCO TOP
SH3802 2680514Z01 SHIELD VCO BOTTOM/LVZIF
SH400 2680505Z01 CTRL TOP LEFT
SH401 2680506Z01 CTRL TOP RIGHT
SH402 2680515Z01 CTRL BOTTOM LEFT
SH403 2680516Z01 CTRL BTM RIGHT
SH701 2680677Z01 (VOICE STORAGE BOTTOM)
T3301 2580541Z01 BALUN TRANSFORMER
T3302 2580541Z01 BALUN TRANSFORMER
U3201 5102463J58 3.3V REG IN SOT23-5 PKG
U3220 5109632D83 LVZIF 2.2 H60G 48TQFP
U3501 5105109Z67 IC LDMOS DRIVER VHF/UHF
U3502 5185765B01 IC PWR CONTROL PASS 2.3
U3503 5185963A15 IC TEMP SENSOR 1M50C
U3701 5185963A27 IC AT25016 48 PIN GFP
U3711 5105739X05 IC SOT 5V HI-PRECISION
REG
U3801 5105750U54 IC PKG DIE VCO BUFFER
U400 5102463J40 REG 3.3V, LP2951CMM-3.3
U404 5185963A53 IC ASFIC CMP TQFP 48 PIN
U405 5102463J36 STATIC_RAM_32KX8
* U406 5102463J60 512X8 FLASH (AT49LV040)
* U407 5102463J64 16KX8 SPI SERIAL EEPROM
U409 5102226J56 68HC11FLO_PASS5 TQFP
U410 5102463J57 REG 3.3V, ILC7062CM-33
U411 4802245J54 UMG5N DIGITAL TRANSIS-
TOR
U420 5102463J44 AUDIO AMP TDA8547TS
U700 5109152M01 IC EEPROM ISD3312OE1
U710 5102463J52 74HC4066D QUAD ANLOG SW
U720 5113818A01 SING SPLY LM2904DR
VR432 4805656W08 DIODE ZENER QUAD
VR433 4805656W08 DIODE ZENER QUAD
VR434 4802245J51 ZENER DIODE; BZX284-C6V8
VR439 4880140L15 10V ZENER
VR447 4802245J53 ZENER_DIODE; BZX284-C10
VR448 4802245J53 ZENER_DIODE; BZX284-C10
VR449 4802245J53 ZENER_DIODE; BZX284-C10
VR450 4802245J53 ZENER_DIODE; BZX284-C10
VR483 4802245J53 ZENER_DIODE; BZX284-C10
VR484 4802245J53 ZENER_DIODE; BZX284-C10
VR501 4813830A18 6.8V 5% 225MWMMBZ5235B_
VR506 4802245J51 ZENER DIODE; BZX284-C6V8
Y3200 4802245J43 MONOLITH/ XTAL FLTR
Y3761 4802245J49 XTAL 16.8MHZ WITH CLIP
8486101B09 PCB WARIS P VHF GP1280
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