Read Sony CMT-ED1 / HCD-ED1 / HCD-ED1A (serv.man2) Service Manual online
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VDD
NARROW
NORMAL
LOUD
DBFB
VOL CLK
VOL DATA
VOL STB
FUNC A
FUNC B
MDMUTE
POWER
MUTE A
SEG27-SEG0
COM3
COM2
COM1
COM0
VLC
N.C
N.C
N.C
VDD
51
52
53
54
55
56
57
58
59
60
61
62
63
64-91
92
93
94
95
96
97
98
99
100
—
O
O
O
—
O
O
O
O
O
O
O
O
O
O
O
O
O
O
—
—
—
—
+5V power supply
Narrow LED output
Normal LED output
Loudness on/off control output
Not used (Connected to ground)
Volume control clock output
Volume control data output
Volume control strobe output
TAPE/TUNER control signal output (00: TAPE/01: TUNER)
CD/MD control signal output (10: CD/11: MD)
MD/REC ON mute output
System power output
Audio mute control output
LCD segment output
LCD common 3 output
LCD common 2 output
LCD common 1 output
LCD common 0 output
LCD drive power supply output
Not used (Connected to ground)
Not used (Connected to ground)
Not used (Connected to ground)
+5V power supply
Pin No.
Pin Name
I/O
Function
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