High Resolution Schematic,
Service Manual + HR Schematics, Year 1977
Plus, Washington Owner's Manual Model 1001002
40 Pages of the Service Manual, In Adobe Reader PDF Format
Specifications, Controls, Operation, Receiver & Transmitter Alignment, Synthesizer
Alignment, Main Boards & Power Supply Board, Parts List & Descriptions. Schematics
& Block Diagram. High Resolution Schematics and Illustrations.
The Main Board and the Parts list for this Service Manual shows and indicates the IC Chip is
( IC7, UPD858 or UPD858C ), ( Sylvania Part #ECG977 or Uniden D858, K66256 ).
This is for the Washington with the Main PC Board # ( PC-176AA ).