Sony HCD-GN880 / MHC-GN880 Service Manual ▷ View online
57
HCD-GN880
Pin No.
Pin Name
I/O
Description
51
A-PLAY
I
TCM-A play switch input
52
A-TRIG
O
TCM-A trigger output
53
A-HALF
I
A deck half detection signal input
54
CAPM-CONT
O
Capstan motor REV/FWD/STOP control signal output
55
REC (FWD)
O
Record tab switch for SIDE A signal output
56
B-PLAY
I
TCM-B play switch input
57
B-TRIG
O
TCM-B Trigger output
58
REC (REV)
O
Record tab switch for SIDE B signal output
59
TC-RELAY
O
REC/PB selection signal output
60
REC BIAS
O
Bias on/off signal output
61
AMS-IN
I
AMS signal input
62
VCC
—
Power supply (+3.3V)
63
TC-MUTE
O
TC line mute signal output
64
VSS
—
Ground
65
AUDIO1-DATA
O
Serial data output to Audio EQIC
66
AUDIO1-CLK
O
Serial data clock output to Audio EQIC
67
AUDIO2-DATA
O
Serial data output to Audio EQIC
68
AUDIO2-CLK
O
Serial data clock output to Audio EQIC
69
AC-CUT-MAIN
I
AC cut check signal input
70
STBY-RELEY
O
Reley drive signal output
71
CTR-RLY
O
Not used
72
REAR SW-RELAY
O
Subwoofer relay control signal output
73
DISPLAY-KEY
I
DISPLAY key signal input
74
POWER-KEY
I
Power key signal input
75
GC-RESET
O
GC reset signal output
76
STBY-LED
O
Standby LED drive signal output
77
LINK-RLY
O
Surround speaker relay driver signal output
78
FR-RELAY
O
Front speaker relay driver signal output
––––––––––––––––––
79
HP-MUTE
O
Headphone mute signal output
80
STK-MUTE
O
Mute signal output to power IC
––––––––––
81
PROT
I
Speaker protection signal input
82
ST-CLK
O
Tuner clock signal output
83
ST-DIN
I
Tuner data input
84
ST-DOUT
O
Tuner data output
85
ST-CE
O
Tuner chip enable signal output
––––––––––––––
86
TUNED
I
Tuned signal input
–––––––––––––––
87
STEREO
I
Stereo signal input
88
ST-MUTE
O
Tuner mute signal output
89
A-PHOTO OUT
I
TCM-A reel pulse input
90
B-PHOTO OUT
I
TCM-B reel pulse input
91
B-HALF
I
B deck half detection input
92
MODEL-IN
I
Model input
93
DEST-IN
I
Destination input
––––––––––––––––––––––––––
94
THER MAL VACS IN
I
VACS signal input
95
DVD-PWR-CHK/SW AO KEY
I
Subwoofer ON/OFF and SURROUND SPEAKER MODE key input
96
AVSS
—
Ground
97
FUSELESS SW
I
Over-voltage protection detection input termnal
98
VREF
I
Reference voltage input
99
AVCC
—
Power supply (+3.3V)
100
XTCN/MIC DET
O
Oscillation circuit control signal output
58
HCD-GN880
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
SECTION 8
EXPLODED VIEWS
8-1.
CASE, REAR PANEL SECTION
NOTE:
•
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories are
given in the last of this parts list.
given in the last of this parts list.
•
Abbreviation
AUS
AUS
: Australian model
E2
: 120V AC Area in E model
E3
: 240V AC Area in E model
E51
: Chilean and Peruvian model
MX
: Mexican model
The components identified by mark 0 or
dotted line with mark 0 are critical for
safety.
Replace only with part number specified.
dotted line with mark 0 are critical for
safety.
Replace only with part number specified.
1
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
2
3
9
3
9
4
5
6
7
8
#1
#1
#1
#1
#2
#1
#1
#2
#2
#2
#2
#2
M891
#2
#2
#2
#1
#1
1
X-4956-227-1 LOADING PANEL ASSY
2
4-963-404-21 EMBLEM (5-A), SONY
3
3-363-099-02 SCREW (CASE 3 TP2) (M3x8)
4
4-231-828-71 CASE
5
A-4750-964-A PRIMARY BOARD, COMPLETE (E2, E3, E51)
5
A-4753-137-A PRIMARY BOARD, COMPLETE (MX)
5
A-4753-146-A PRIMARY BOARD, COMPLETE (AUS)
6
1-500-497-11 FILTER, CLAMP (FERRITE CORE)
7
1-693-603-11 TUNER (FM/AM)
0 8
1-468-737-21 POWER, SWITCHING
9
3-363-099-32 SCREW (CASE 3 TP2) (M3 x12)
M891
1-787-099-21 FAN, DC
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3 (E2)
#2
7-685-871-01 SCREW +BVTT 3X6 (S)
59
HCD-GN880
8-2.
FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
57
56
55
54
53
52
74
71
70
68
67
67
69
51
73
72
66
65
64
63
63
63
63
63
63
63
63
62
62
61
58
59
60
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
FL901
75
76
51
X-4956-225-1 FRONT PANEL ASSY
52
4-252-592-01 COVER AL-TC
53
4-252-577-01 LID TC
54
4-252-595-01 SPRING LID
55
4-252-578-01 HOLDER TC-L
56
4-252-579-01 HOLDER TC-R
57
4-959-229-11 DETENT, CASSETTE
58
4-224-578-21 KNOB (MIC)
59
4-252-571-01 KNOB AMS
60
4-252-575-01 KNOB VOL
61
4-252-590-11 COVER AL-STR
62
4-244-092-01 SPRING (EJECT)
63
4-951-620-01 SCREW (2.6X8), +BVTP
64
A-1056-930-A PANEL BOARD, COMPLETE (MX)
64
A-4750-973-A PANEL BOARD, COMPLETE (E2, E3, E51, AUS)
65
1-773-109-11 WIRE (FLAT TYPE) (19 CORE)
66
4-231-581-01 HOLDER (FL)
67
4-224-104-11 DAMPER
68
4-252-597-01 SPRING L
69
4-252-598-01 SPRING R
70
A-4750-976-A GAME BOARD, COMPLETE
71
1-796-487-61 DECK, MECHANICAL
72
4-243-608-01 BELT (BR)
73
4-243-609-01 BELT (AF)
74
4-243-610-01 BELT (AL)
75
4-252-600-01 KNOB, ELASTOMER
76
4-252-570-01 BRACKET, VOL
FL901
1-518-981-11 VACUUM FLUORESCENT DISPLAY
Ver. 1.1
60
HCD-GN880
8-3.
CHASSIS SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
102
102
107
107
103
104
105
106
101
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
F698
T601
F699
F697
F760
F696
#1
#1
#1
#3
#1
#2
#1
#2
#2
#1
#1
#1
#3
#1
#2
101
A-1053-567-A SURROUND BOARD, COMPLETE (MX)
101
A-4751-013-A SURROUND BOARD, COMPLETE (E2, E3, E51)
101
A-4753-163-A SURROUND BOARD, COMPLETE (AUS)
102
3-905-609-31 SCREW (TRANSISTOR)
103
A-1055-329-A PA BOARD, COMPLETE (E3)
103
A-4751-012-A PA BOARD, COMPLETE (E2, E51, MX)
103
A-4753-161-A PA BOARD, COMPLETE (AUS)
0 104
1-777-071-53 CORD, POWER (E51)
0 104
1-827-226-11 CORD, POWER (E2, E3, MX)
0 104
1-827-295-22 CORD, POWER (AUS)
*
105
3-703-244-00 BUSHING (2104), CORD (E51, AUS)
105
3-703-571-11 BUSHING (S) (4516), CORD (E2, E3, MX)
106
A-4751-003-A MAIN BOARD, COMPLETE (E2)
106
A-4753-142-A MAIN BOARD, COMPLETE (E3)
106
A-4753-148-A MAIN BOARD, COMPLETE (AUS)
106
A-4753-153-A MAIN BOARD, COMPLETE (E51)
106
A-4753-156-A MAIN BOARD, COMPLETE (MX)
107
4-924-098-01 HOLDER, PC BOARD
0 F696
1-576-655-12 FUSE, GLASS TUBE (DIA. 5) (T8.0AL/250V)
0 F697
1-576-655-12 FUSE, GLASS TUBE (DIA. 5) (T8.0AL/250V)
0 F698
1-533-473-12 FUSE, GLASS TUBE (DIA. 5) (6.3A/250V)
0 F699
1-533-473-12 FUSE, GLASS TUBE (DIA. 5) (6.3A/250V)
0 F760
1-533-470-12 FUSE, GLASS TUBE (DIA. 5) (T3.15AL/250V)
0 T601
1-443-202-11 POWER TRANSFORMER (E2, E3, E51, AUS)
0 T601
1-443-202-21 POWER TRANSFORMER (MX)
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
#2
7-685-871-01 SCREW +BVTT 3X6 (S)
#3
7-685-881-09 SCREW +BVTT 4X8 (S)
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
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