CONTENTS
Major Operating Controls and Their Functions ...................................................................................................... 1
Circuit Description
IC Description ........................................................................................................................................................... 12
Adjustment Procedure .............................................................................................................................................. 20
Location of Test Points and Adjusting Controls .................................................................................................... 28
Appearance of ICs, Transistors and Diodes ........................................................................................................... 29
Chip Components ...................................................................................................................................................... 30
Wiring Diagram .......................................................................................................................................................... 31
Block Diagram
Main Board ............................................................................................................................................................... 32
Switch Board (1/3) .................................................................................................................................................... 33
Switch Board (2/3) .................................................................................................................................................... 34
Switch Board (3/3) .................................................................................................................................................... 35
Schematic Diagram
Main Board (1/2)/Modular Board/Output Board/Communication Board ................................................................... 38
Main Board (2/2)/Alarm Board/Data Multiplex Board................................................................................................ 39
Switch Board (1/5) .................................................................................................................................................... 42
Switch Board (2/5) .................................................................................................................................................... 43
Switch Board (3/5) .................................................................................................................................................... 46
Switch Board (4/5) / Switch Sub Board..................................................................................................................... 47
Switch Board (5/5) .................................................................................................................................................... 50
Front Board ............................................................................................................................................................... 51
Pocket Board ............................................................................................................................................................ 51
Power Board ............................................................................................................................................................. 53
Conductor View
Modular Board/Output Board/Communication Board/Alarm Board/Data Multiplex Board ........................................ 36
Main Board ............................................................................................................................................................... 37
Front Board ............................................................................................................................................................... 51
Pocket Board ............................................................................................................................................................ 51
Switch Board / Switch Sub Board ............................................................................................................................. 52
Power Board ............................................................................................................................................................. 53
Exploded View
WJ-FS616 ................................................................................................................................................................. 54
WV-PB6164E............................................................................................................................................................ 55
Replacement Parts List ............................................................................................................................................. 56