Sony HCD-GPX6 / HCD-GPX7 Service Manual ▷ View online
49
HCD-GPX6/GPX7
Pin No.
Pin Name
I/O
Description
84
PROTECT
I
Protect signal input from the amplifier circuit “L”: protect
85
SP RELAY
O
Speaker on/off relay drive signal output terminal “L”: speaker off
86
AMP POWER
O
AMP muting on/off control signal output terminal “H”: AMP on
87
EQ DATA
O
Serial data output to the electrical volume
88
EQ CLK
O
Serial data transfer clock signal output to the electrical volume
89 to 91
KEY3 to KEY1
I
Front panel key or headphone detection input terminal (A/D input)
92
MODEL
I
Setting terminal for the model type
93
DEST
I
Setting terminal for the destination
94
TC END SW
I
End switch detection from tape deck block
95
TC HALF/
REC SW
I
Half/REC switch detection from tape deck block
96
AVSS
—
Ground terminal
97
NC
O
Not used
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
—
Power supply terminal (+3.3V)
100
FL DATA
O
Serial data output to the FL/LED driver
50
HCD-GPX6/GPX7
SECTION 7
EXPLODED VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Abbreviation
AR
: Argentina model
AUS : Australian model
HK : Hong Kong model
HK : Hong Kong model
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
7-1. SIDE PLATES SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-251-905-01 PLATE (L), SIDE
2
4-671-016-01 SCREW (FAN) (US, AEP, AR)
3
4-251-906-01 PLATE (R), SIDE
4
4-247-752-01 RUBBER, FOOT
5
4-251-908-01 COVER, HEAT SINK (GPX7)
5
4-251-908-11 COVER, HEAT SINK (GPX6: HK, SP, KR, AUS)
5
4-251-908-31 COVER, HEAT SINK (GPX6: US)
M301
1-787-103-11 FAN, DC (US, AEP, AR)
#1
7-685-871-01 SCREW +BVTT 3X6 (S)
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
#3
7-685-872-09 SCREW +BVTT 3X8 (S)
The components identified by
mark 0 or dotted line with mark
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
1
2
5
3
4
not
supplied
supplied
M301
not
supplied
supplied
not supplied
front panel
section
section
top block section
main section
#1
#1
#1
#1
#2
#2
#2
#2
#3
#3
#3
#3
KR
: Korean model
SP
: Singapore model
51
HCD-GPX6/GPX7
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-251-909-01 KNOB, VOLUME
52
4-251-910-01 KNOB, B/T
53
X-2021-488-1 PANEL SUB ASSY, FRONT (AR)
53
X-2021-539-1 FRONT PANEL ASSY (HK, SP, KR, AUS)
53
X-4956-090-1 PANEL SUB ASSY, FRONT (AEP)
53
X-4956-426-1 FRONT PANEL ASSY (US)
54
A-4750-228-A PANEL (1) BOARD, COMPLETE
55
4-951-620-01 SCREW (2.6X8), +BVTP
56
A-4750-229-A PANEL (2) BOARD, COMPLETE
57
4-247-752-01 RUBBER, FOOT
51
52
53
54
55
55
55
56
57
not
supplied
supplied
not supplied
not supplied
not supplied
not supplied
52
HCD-GPX6/GPX7
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
X-4956-091-1 HOLDER ASSY, CASSETTE
102
4-251-899-01 SPRING, CASSETTE
103
4-251-898-01 CABINET, TOP (EXCEPT US)
103
4-251-898-11 CABINET, TOP (US)
104
4-231-836-01 SPRING (HEART CAM-A)
105
4-231-824-01 CAM (A), HEART
7-3. TOP BLOCK SECTION
106
4-224-104-41 DAMPER
107
3-701-748-00 CLAMP
108
1-796-351-41 MECHANISM, SIGNAL CASSETTE
(CMAL1Z234A)
#4
7-685-862-09 SCREW +BVTT 2.6X6 (S)
#5
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
101
102
103
104
105
106
107
108
not supplied
not supplied
not
supplied
supplied
#4
#4
#5
#5
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