Read Sony CDX-C780R Service Manual online
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4-2. CIRCUIT BOARDS LOCATION
DISC IN SW board
LOAD SW board
tuner unit
(TU10)
(TU10)
SUB board
LIMIT SW board
SERVO board
MAIN board
RELAY board
KEY board
Pin No.
Pin Name
I/O
Pin Description
114
AMSON
O
Tape AMS control output (Not used in this set.)
115
DOLBC
I/O
Tape DOLBY B/C select control input/output (Not used in this set.)
116
DOLBY
I/O
Tape DOLBY control input/output (Not used in this set.)
117
CSV-NAR
I
Not used in this set.
118
LEDON
O
Front panel LED control output
119
VSS
—
GND
120
POWON
O
System power control output
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