Sony HCD-GN88D / MHC-GN88D Service Manual ▷ View online
77
HCD-GN88D
Pin Name
Pin No.
I/O
Discription
51
REC-MUTE
O
REC mute signal output
52
TC-MUTE
O
TC line mute signal output
53
PB-A/B
O
TC A/B select signal output
–––––––––––
54
ALC
O
ALC signal output
55
TC-RELAY
O
TC relay control signal output
56
REC BIAS
O
TC REC bias on/off signal output
57
CAPM-CONT
O
Capstan motor REV/FWD/STOP control signal output
58
B-TRG
O
TCM-B Trigger output
59
A-TRG
O
TCM-A trigger output
60
B-REC-REV
I
Record tab switch for SIDE-B signal input
61
B-PLAY
I
TCM-B play switch input
62
VCC
—
Power supply (+3.3V)
–––––––––––––––––
63
AMS-IN
I
AMS signal input
64
VSS
—
Ground
–––
65
EQ-H/N
O
EQ high/Normal signal output
66
A-REC-FWD
I
Record tab switch for SIDE-A signal input
67
A-HALF
I
A deck half detection signal input
68
SPEANA ATTN
O
Speana audio level control signal output
69
A-PLAY
I
TCM-A play switch input
70
SW RELAY
O
SW relay drive signal output
71
MIC DETECT
I
MIC detect signal input
–––––––––––––––––
72
VACE IN
I
VACE control signal input
73
DISPLAY-KEY
I
Display key signal input
74
POWER-KEY
I
Power key signal input
75
STK-MUTE
O
Mute signal output to power IC
––––––––––––––––––––
76
HP-MUTE
O
Headphone mute signal output
77
LINE-MUTE
O
TA LINE mute signal output
––––––––––––––––––––––––––––
78
PROTECTOR
I
Speaker protection signal input
79
AUDIO-DATA
O
Audio input select data output
80
AUDIO-CLK
O
Audio input select clock output
81
VIDEO OUT
O
Video out select signal output
82
AUDIO-OUT
O
Audio out select signal output
83
FRONT-RELAY
O
Front speaker relay driver signal output
84
LINK-RELAY
O
Rear speaker relay driver signal output
(REAR L/R SURR RLY)
85
CENTER-RELAY
O
Center speaker relay driver signal output
86
VOLUME-DATA
O
Volume level control data output
87
VOLUME-CLK
O
Volume level control clock output
88
FAN KICK
O
Fan motor control signal output
89
A-SHUT
I
TCM-A reel pulse input
90
B-SHUT
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
I-HOLD
I
Sub trans over valtage detect
95
DVD-POWER-CHK
I
DVD power D+3.3V voltage detect signal input
96
AVSS
—
Ground
97
NO USE
—
Not used (open)
98
VREF
I
Reference voltage input
99
AVCC
—
Power supply (+3.3V)
100
ST-MUTE
O
Tuner mute signal output
78
HCD-GN88D
• IC601 MB90M407PF-G-130-BND (DISPLAY CONTROL) (DISPLAY Board)
Description
Pin Name
Pin No.
I/O
1 to 7
G7 to G1
O
FLD grid output
8 to 10
P1 to P3
O
FLD segment output
11
VSS-IO
—
Ground
12 to 22
P4 to P14
O
FLD segment output
23
VDD-FIP
—
Power supply (+3.3V)
24 to 41
P15 to P32
O
FLD segment output
42
VSS-IO
—
Ground
43 to 46
P33 to P36
O
FLD segment output
47
NO USED
O
Not used (connected to ground)
48
VKK
—
Power supply (-35V)
49
MD0
I
Not used (pull up with resistor)
50
MD1/VDD-VFT
I
Not used (pull up with resistor)
51
MD2
I
Not used (pull down with resistor)
52
VOLUME 5,6 LED
O
Volume level indicatior LED drive signal output
53
VOLUME 7,8 LED
O
Volume level indicatior LED drive signal output
54
VOLUME 9,10 LED
O
Volume level indicatior LED drive signal output
55
VOLUME 11,MULT1
I
Volume level indicatior LED drive signal output
CH LED
56
VOLUME 3,4 LED
I
Volume level indicatior LED drive signal output
57
VOLUME 1,2 LED
O
Volume level indicatior LED drive signal output
58
TAPE A/B, TUNER LED
O
TAPE A/B indicatier LED drive signal output
59
GAME, MD/VIDEO LED
O
GAME, MD/VIDEO indicator LED drive signal output
60
I2C-DATA
O
IIC serial data output
61
I2C-CLOCK
O
IIC clock signal output
62
AVCC
—
Power supply (+3.3V)
63
AVSS
—
Ground
64 to 66
KEY0 to KEY2
I
Key input (A/D port)
67
BPF3
I
Spectrum analyzer BPF signal input
68
BPF2
I
Spectrum analyzer BPF signal input
69
BPF1
I
Spectrum analyzer BPF signal input
70
SUPER LOW FQUENCY
I
Spectrum analyzer BPF signal input
(BPF0)
71
ALL BAND
I
L+R signal input
72
SELECTOR
O
LED group A/B select signal output
73
CD/DVD, REC/PAUSE
O
CD/DVD, REC/PAUSE indicator LED drive signal output
LED
74 to 76
NO USE
O
Not used (connected to ground)
77
RESET
I
Reset input
78
SOFT TEST
O
Not used (open)
79
VOL 1B
I
Volume encoder signal B input
80
VOL 1A
I
Volume encoder signal A input
81
VSS-CPU
—
Ground
82
XOUT
O
Crystal oscillator output (4MHz)
83
XIN
I
Crystal oscillator input (4MHz)
84
VCC-CPU
—
Power supply (+3.3V)
85 to 86
NO USED
O
Not used (open)
87 to 100
G21 to G8
O
FLD grid output
79
HCD-GN88D
8-1. CASE, BACK PANEL, DMB03 BOARD SECTION
SECTION 8
EXPLODED VIEWS
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.
NOTE:
• -XX and -X mean standardized parts, so they
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• 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.
• Accessories are given in the last of the elec-
trical parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
M891
not
supplied
not
supplied
not
supplied
7
2
3
4
10
9
8
11
6
#1
#1
#1
#1
#1
#1
#1
#1
#2
#1
#1
#1
#1
#1
#1
#1
#1
#1
#2
#2
#2
#2
#2
#2
#2
#1
#1
2
not
supplied
not
supplied
not
supplied
•
Abbreviation
AUS
AUS
: Australian model
E3
: 240 V AC Area in E model
EA
: Saudi Arabia model
E15
: Iran model
E51
: Chilean and Peruvian model
MX
: Mexican model
PH
: Philippines model
SP
: Singapore model
MY
: Malaysia model
TH
: Thai model
1
4-244-102-61 LOADING PANEL
2
3-363-099-41 SCREW (CASE 3 TP2)
3
4-231-828-51 CASE
4
A-4731-346-A SUB-TRANS BOARD, COMPLETE
(E15,E3,E51,PH,SP,MY)
4
A-4734-889-A SUB-TRANS BOARD, COMPLETE (MX)
4
A-4734-967-A SUB-TRANS BOARD, COMPLETE (AUS)
4
A-4747-641-A SUB TRANS BOARD, COMPLETE (EA)
4
A-4749-091-A SUB TRANS BOARD, COMPLETE (TH)
6
1-693-603-31 TUNER (FM/AM)
7
3-067-237-11 EMBLEM (V), DVD
8
A-4732-884-A REGULATOR BOARD, COMPLETE (EXCEPT TH)
8
A-4734-506-A REGULATOR BOARD, COMPLETE (TH)
9
A-4732-903-A DMB03 BOARD, COMPLETE
10
A-4732-883-A VIDEO BOARD, COMPLETE (EXCEPT TH)
10
A-4734-505-A VIDEO BOARD, COMPLETE (TH)
11
1-775-165-11 WIRE (FLAT TYPE) (17 CORE) (220mm)
M891
1-763-072-11 FAN, DC
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
#2
7-685-871-01 SCREW +BVTT 3X6 (S)
80
HCD-GN88D
8-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
57
56
55
54
53
52
77
76
79
78
75
62
62
62
74
62
71
62
62
62
70
68
67
69
62
51
73
72
64
66
65
80
80
80
64
63
62
61
58
59
60
supplied with
S748
S748
not
supplied
supplied
not
supplied
supplied
not
supplied
supplied
FL601
#4
#4
62
51
X-4955-539-1 FRONT PANEL ASSY
52
4-225-252-01 CUSHION (FOOT)
53
4-244-075-01 HOLDER (TC-R)
54
4-244-093-01 SPRING LID
55
4-244-072-01 LID TC
56
4-244-073-01 WINDOW TC
57
4-244-090-01 COVER (AL-TC)
58
4-244-074-01 HOLDER (TC-L)
59
4-224-578-21 KNOB (MIC)
60
4-244-097-01 KNOB (VOLUME)
61
4-244-089-21 COVER (AL-STR)
62
4-951-620-01 SCREW (2.6X8), +BVTP
63
4-963-404-21 EMBLEM (5-A), SONY
64
4-224-104-11 DAMPER
65
4-244-094-01 SPRING (L)
66
4-244-095-01 SPRING R
67
1-686-936-11 CD SWITCH BOARD
68
A-4732-868-A VOLUME BOARD, COMPLETE (EXCEPT TH)
68
A-4734-534-A VOLUME BOARD, COMPLETE (TH)
69
4-244-096-01 KNOB CURSOR
70
1-773-040-11 WIRE (FLAT TYPE) (17 CORE) (120mm)
71
A-4732-870-A DISPLAY BOARD, COMPLETE (EXCEPT TH)
71
A-4734-535-A DISPLAY BOARD, COMPLETE (TH)
72
4-231-581-01 HOLDER (FL)
73
1-773-110-11 WIRE (FLAT TYPE) (19 CORE)
74
A-4732-871-A GAME IN BOARD, COMPLETE(EXCEPT TH)
74
A-4734-533-A GAME IN BOARD, COMPLETE(TH)
75
1-796-487-31 DECK, MECHANICAL (CDM43RR23)
76
4-243-609-01 BELT (AF)
77
4-243-610-01 BELT (AL)
78
4-243-608-01 BELT (BR)
79
1-751-688-11 WIRE (FLAT TYPE) (13 CORE)
80
3-378-434-01 CUSHION, SARANET
FL601
1-518-862-11 INDICATOR TUBE, FLUORESCENT
#4
7-685-781-09 SCREW +PTT 2X4 (S)
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