Read Sony HCD-CQ1 (serv.man2) Service Manual online
37
HCD-CQ1
Pin No.
54
55
56
57
58
59 to 62
63, 64
65
66
67 to 71
72
73 to 88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
O
I
I
—
O
O
—
—
O
—
O
O
—
—
I
O
O
O
O
O
O
O
O
Pin Name
RESET
ST MUTE
STEREO
TUNED
LCD-ADJ
COM0 to COM3
SEG0, SEG1
VCC
VSS
SEG2 to SEG6
NC
SEG7 to SEG22
DIMMER
VCC
VSS
XI
XO
STBY-RELAY
BACKLIGHT
AMP STANDBY
REC MUTE
AMP MUTE
LINE MUTE
MTR-CTRL2
Description
System reset signal input from the reset signal generator
Tuner muting signal output
FM stereo detection signal input
Tuner tuned status signal input
LCD_ADJ terminal
Common signal output to the liquid crystal display
Segment signal output to the liquid crystal display
Power supply terminal
Ground terminal
Segment signal output to the liquid crystal display
Not used
Segment signal output to the liquid crystal display
Dimmer signal output to the backlight control circuit
Power supply terminal
Ground terminal
Resonator terminal (6MHz)
Resonator terminal (6MHz)
Main system power supply control signal output
Backlight control signal output
Standby signal output to the power amplifier
Line out muting signal output
Muting signal output to the power amplifier
Pre-amplifier output muting control signal output
Motor control signal output to the motor driver (IC251)
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