Read Sony CFD-W57 Service Manual online
– 20 –
Pin No.
Pin Name
I/O
Pin Description
86
VOCAL-LED
O
Not used.
87, 88
NC
—
Not used.
89
VDD
—
Power supply pin (+5 V)
90
NC
—
Not used.
91
VSS
—
GND
92
TX
O
Oscillation output (32.768 kHz)
93
TXE
I
Oscillation input (32.768 kHz)
94
ISS1
O
Tape ISS1 control output
95
ISS2
O
Tape ISS2 control output
96
A-MUTE
O
Audio mute output
97
R-MUTE
O
Tuner mute output
98
C-MUTE
O
CD mute output
99
TC2
I
Tape play switch input (Deck A)
100
TC1
I
Tape play switch input (Deck B)
5-2. CIRCUIT BOARDS LOCATION
MAIN board
LCD board
BACK UP board
BATTERY board
POWER board
HEADPHONE board
LOADING board
CD board
RADIO BRACKET board
TUNER board
HEADPHONE
BRACKET board
BRACKET board
RECORD/PLAYBACK
SWITCH board
SWITCH board
LAMP board
CONTROL board
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