6A-38 Circuit Board/Schematic Diagrams and Parts List
* Motorola Depot Servicing only
U248 5102463J58 3.3V Regulator
U301 5109632D83 LVZIF IC
U400 5102463J40 3.3V Regulator
U404 5185963A53 ASFIC_CMP IC
U405 NOT PLACED
U406 *5102463J59 Flash ROM 128K x 8
U407 *5102463J64 16K x 8 EEPROM
U409 5102226J56 Microprocessor
U410 5102463J57 3.3V Regulator (not placed in
GP328)
U420 5102463J44 Audio PA
VR432 4805656W08 5.6V Zener
VR433 4805656W08 5.6V Zener
VR434 4802245J73 ZENER DIODE-6.8V
VR439 4880140L17 Zener diode-12V
VR440 4802245J73 ZENER DIODE-6.8V
VR441 4802245J73 ZENER DIODE-6.8V
VR442 4802245J73 ZENER DIODE-6.8V
VR443 4802245J73 ZENER DIODE-6.8V
VR444 4802245J73 ZENER DIODE-6.8V
VR445 4802245J53 ZENER_DIODE-10V
VR446 4802245J74 ZENER DIODE-10V
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
VR501 4813830A18 6.8V Zener
VR506 4802245J73 ZENER DIODE-6.8V
1485777Z01 INSULATOR (KAPTON)
8480450Z13 UHF B1 main PC board
Circuit
Ref
Motorola
Part No.
Description