C1
CIRCUIT DIAGRAMS & PRINTED WIRING BOARDS
TABLE OF CONTENTS
Page
OVERALL WIRING, MECHANISM CONNECTION & BLOCK DIAGRAMS
OVERALL WIRING ......................................................................................................................................... C3
MECHANISM CONNECTION ......................................................................................................................... C4
AUDIO CIRCUIT ............................................................................................................................................. C4
VIDEO CIRCUIT ............................................................................................................................................. C5
SYSTEM CONTROL & SERVO CIRCUIT ...................................................................................................... C6
CIRCUIT DIAGRAMS
PW-1 BOARD POWER SUPPLY .................................................................................................................... C7
CP-1 BOARD (PW-A) POWER SUPPLY ........................................................................................................ C8
CP-1 BOARD (VA-A) VIDEO & AUDIO .......................................................................................................... C9
VIDEO CIRCUIT WAVEFORMS .................................................................................................................... C12
IC301 SYSTEM CONTROL, TIMER, OSC & SERVO MPU PIN FUNCTIONS TABLE .................................. C12
CP-1 BOARD (SY-A) SYSTEM CONTROL & SERVO ................................................................................. C13
SERVO CIRCUIT WAVEFORMS .................................................................................................................. C14
DISPLAY (FLD) GRID/ANODE ASSIGNMENT DRAWING & TABLE ........................................................... C14
CP-1 BOARD (TM-A) DISPLAY & KEY SCAN ............................................................................................. C15
TM-1 BOARD KEY SWITCH ......................................................................................................................... C16
TB-1 BOARD TERMINAL ............................................................................................................................. C16
TB-2 BOARD BATTERY ............................................................................................................................... C16
TB-3 BOARD DC POWER CONNECTOR .................................................................................................... C16
VD-1 BOARD COLOR CORRECTION ......................................................................................................... C17
PRINTED WIRING BOARDS (P.W.B.)
CP-1 P.W.B. ................................................................................................................................................... C18
VD-1 P.W.B. ................................................................................................................................................... C21
TM-1 P.W.B. ................................................................................................................................................... C21
TB-1, TB-2 & TB-3 P.W.B. ............................................................................................................................. C22
PW-1 P.W.B. .................................................................................................................................................. C22