Sanyo SRT-4040 Service Manual page 24

CIRCUIT DIAGRAMS & PRINTED WIRING BOARDS
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
CP-1 BOARD (VA-A) VIDEO & AUDIO ........................................................................................................... C7
VIDEO CIRCUIT WAVEFORMS ..................................................................................................................... C10
IC301 SYSTEM CONTROL, TIMER, OSC & SERVO MPU PIN FUNCTIONS TABLE .................................. C10
CP-1 BOARD (SY-A) SYSTEM CONTROL & SERVO .................................................................................. C11
SERVO CIRCUIT WAVEFORMS ................................................................................................................... C14
DISPLAY (FLD) GRID/ANODE ASSIGNMENT DRAWING & TABLE ............................................................ C14
TM-1 BOARD KEY SWITCH .......................................................................................................................... C14
CP-1 BOARD (TM-A) DISPLAY & KEY SCAN .............................................................................................. C15
VD-1 BOARD Y/C MIX & RELAY ................................................................................................................... C16
TB-1 BOARD TERMINAL .............................................................................................................................. C17
TB-2 BOARD BATTERY ................................................................................................................................ C17
CP-1, TB-4 BOARDS (PW-A) POWER SUPPLY .......................................................................................... C17
PW-1 BOARD POWER SUPPLY ................................................................................................................... C18
PRINTED WIRING BOARDS (P.W.B.)
CP-1 P.W.B. .................................................................................................................................................... C19
PW-1 P.W.B. ................................................................................................................................................... C22
VD-1 P.W.B. .................................................................................................................................................... C22
TB-1 P.W.B. .................................................................................................................................................... C22
TB-2 P.W.B. .................................................................................................................................................... C22
TB-4 P.W.B. .................................................................................................................................................... C22
TM-1 P.W.B. .................................................................................................................................................... C23
TABLE OF CONTENTS
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