Read Sony HCD-GNZ7D / HCD-GNZ8D / HCD-GNZ9D / MHC-GNZ7D / MHC-GNZ8D / MHC-GNZ9D Service Manual online
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HCD-GNZ7D/GNZ8D/GNZ9D
Pin No.
Pin Name
I/O
Pin Description
83
SHUT (A)
I
Protect detect signal input (A deck)
84
SHUT (B)
I
Protect detect signal input (B deck)
85
B HALF/REC
I
B deck HALF signal input/Record signal input (A deck and B deck)
86
BIAS
O
Bias on/off signal output
87
KARAOKE/
I
MTK KARAOKE mode signal input
MTK M REQ
MTK mute request signal input
88
VACS/ILLUMI
I
VACS and illumination (L+R) control signal input
89
VOL (A) & (B)/
I
Volume A and B control signal input
SW IN
Sub woofer control signal input
90
SPEC IN
I
Specification signal input
91
MODEL IN
I
Serial line up signal input
92 to 94
KEY2 to KEY0
I
Key signal input
95
CDM EJECT/
I
CD mechanism eject detect signal input
PROTECT
Protect detect signal input
96
AVSS
—
Ground pin
97
CDM ENC0/1/2
I
CD mechanism switch signal input
98
VREF
—
Voltage reference pin
99
AVCC
—
Power supply pin (+3.3 V)
100
CDM TBL SENS
I
CD mechanism table sensor detect signal input
IC102 BH2210FV (SIGNAL IN/OUT CONTROL) (PANEL BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
CTLIO
I
IN/OUT control port (Fixed at “H” in this set.)
2
RSTB
I
Reset signal input
3
CLK
I
Serial clock signal input
4
LATCH
I
Serial latch signal input
5
STBY RELAY
O
Standby relay on/off signal output “H”: On, “L”: Off
6
FAN ON/OFF
O
Fan on/off signal output “H”: Off, “L”: On
7
FRONT RELAY
O
Front relay on/off signal output “H”: On, “L”: Off
8
TA MUTE
O
TA line mute on/off signal output “H”: Off, “L”: On
9
HP MUTE
O
Headphones mute on/off signal output “H”: Off, “L”: On
10
AU-OUT MUTE
O
Audio out mute on/off signal output “H”: Off, “L”: On
11
SW MUTE
O
Subwoofer mute on/off signal output “H”: Off, “L”: On
12
FAN CTRL
O
FAN control signal output “L”: Off
13 to 15
NO USE
O
Not used. (Open)
16
NO USE
O
Not used. (Fixed at “L”.)
17
TBL POS
O
CD mechanism table position control signal output
18
TBL NEG
O
CD mechanism table NEG control signal output
19
LOD POS
O
CD mechanism table loading position control signal output
20
LOD NEG
O
CD mechanism table NEG control signal output
21
PB/REC
O
Tape playback/record signal output “H”: REC, “L”: PB
22
REAR RELAY
O
Rear relay on/off signal output “H”: On, “L”: Off
23
SW RELAY
O
Subwoofer relay on/off signal output “H”: On, “L”: Off
24
CAPM SW
O
Capstan motor on/off signal output “H”: On, “L”: Off
25
DO2
O
Not used. (Open)
26
DI1
I
Serial data signal input
27
VSS
—
Ground pin
28
VDD
—
Power supply pin (+3 V)
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