Motorola HT Series Detailed Service Manual page 215

UHF Band 1 Circuit Board/Schematic Diagrams and Parts List (PCB 8480450Z14)
Circuit Motorola
Description
Ref Part No.
T302 2580541Z01 Balun transformer
U101 5185130C65 VHF/UHF/800 MHZ LDMOS
DRIVER
U102 5185765B28 PCIC
U201 **5185963A27 LVFRACN Synthesizer IC
U210 5102463J61 Inverter
U211 5102463J61 Inverter
U241 5105750U54 VCO BUFFER IC
U247 5105739X05 SOT 5V Regulator
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
HT750 or PRO5150)
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)
8480450Z14 UHF B1 main PC board
* Motorola Depot Servicing only
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