Sony CDX-C880 - Fm/am Compact Disc Player, Service Manual

Page: 37 / 65

DISC IN SW board
LOAD SW board
tuner unit
(TU10)
SUB board
LIMIT SW board
SERVO board
MAIN board
RELAY board
KEY board
CSV board
– 37 – – 38 –
Pin No. Pin Name I/O Pin Description
112, 113 NC — Not used in this set.
114 MD O CD serial data output
115 MC O CD serial clock output
116 ML O CD serial latch output
117 CSV-NAR I Audio composition request signal input
118 LEDON O Front panel LED control output
119 VSS — GND
120 POWON O System power control output
4-2. CIRCUIT BOARDS LOCATION