DOWNLOAD Sony HCD-GN70V / MHC-GN70V Service Manual ↓ Size: 5.23 MB | Pages: 79 in PDF or view online for FREE

Model
HCD-GN70V MHC-GN70V
Pages
79
Size
5.23 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-gn70v-mhc-gn70v.pdf
Date
PREV: Sony MHC-GN70V Service Manual

Sony HCD-GN70V / MHC-GN70V Service Manual ▷ View online

57
HCD-GN70V
Pin Name
Pin No.
I/O
Discription
54
ALC
O
ALC signal output
55
TC-RELAY
O
REC/PB selection signal output
56
REC BIAS
O
Bias on/off signal output
57
CAPM-CONT
O
Capstan motor REV/FWD/STOP control signal output
58
B-TRIG
O
TCM-B Trigger output
59
A-TRIG
O
TCM-A trigger output
60
B-REC, REV
O
Record tab switch for SIDE B signal output
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
I
Not used (Connected to ground)
66
A-REC, FWD
O
Record tab switch for SIDE A signal output
67
A-HALF
I
A deck half detection signal input
                          –––
68
CAMP-H/L
—
Not used (Connected to ground)
69
A-PLAY
I
TCM-A play switch input
                                      –––––––
70
SURR ON/OFF
O
Surround on/off signal output
71
SURR EFFECT
O
Surround effect control signal output
––––––––––––––––
72
VACS IN
I
VACS signal input
73
KEY-DISPLAY
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
PROTECT
I
Speaker protection signal input
79
AUDIO-DATA
O
Serial data output to Audio EQIC
80
AUDIO-CLK
O
Serial data clock output to Audio EQIC
81
VIDEO OUT
O
Video out select signal output
82
AUDIO OUT
O
Audio out on/off signal output
83
FRONT-RELAY
O
Front speaker relay driver signal output
84
LINK-RELAY
O
Surround speaker relay driver signal output
85
LED-SW-ON
O
Subwoofer LED drive signal output (Connected to ground)
86
LED-MATRIX-SURR-2
O
Subwoofer LED drive signal output (Connected to ground)
87
LED-MATRIX-SURR-1
O
Subwoofer LED drive signal output (Connected to ground)
88
LED-SW-LINK
O
Subwoofer LED drive signal output (Connected to ground)
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
Over-voltage protection detection input termnal
95
RELAY
I
Not used
96
AVSS
—
Ground
97
SOFT TEST
O
Soft check terminal
98
VREF
I
Reference voltage input
99
AVCC
—
Power supply (+3.3V)
100
ST-MUTE
O
Tuner mute signal output
58
HCD-GN70V
• IC601 MB90M407PF-G-129-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
P32 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
VOLUME5,6 LED
O
LED drive signal output
53
VOLUME7,8 LED
O
LED drive signal output
54
VOLUME9,10 LED
O
LED drive signal output
55
VOLUME11,MULTI CH LED
O
LED drive signal output
56
VOLUME3,4 LED
O
LED drive signal output
57
VOLUME1,2 LED
O
LED drive signal output
58
TAPE A/B,TUNER LED
O
LED drive signal output
59
GAME,MD/VIDEO LED
O
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 to 70
BPF3 to BPF0
I
Spectrum analyzer BPF signal input
71
ALL BAND
I
L+R signal input
72
SELECTOR
O
LED group select signal output
73
CD/DVD, REC/PAUSE LED
O
LED drive signal output
74 to 76
NO USE
O
Not used
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, 86
NO USE
—
Not used
87 to 100
G21 to G8
O
FLD grid output
59
HCD-GN70V
8-1. CASE, REAR PANEL  SECTION
SECTION  8
EXPLODED  VIEWS
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference 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.
• Accessories are given in the last of the elec-
trical parts list.
• Abbreviation
E3
: 240 V AC Area in E model
E15 : Iran model
EA
: Saudi Arabia model
SP
: Singapore model
MY : Malaysia model
TH
: Thai model
PH
: Philippines model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
M891
not
supplied
not
supplied
not
supplied
7
8
2
3
4
6
#1
#1
#1
#1
#1
#1
#1
#1
#2
#2
#2
#2
#2
#2
#2
#1
#1
2
1
4-244-102-41 LOADING (PANEL)
2
3-363-099-41 SCREW (CASE 3 TP2)
3
4-231-828-31 CASE
4
A-4731-346-A SUB-TRANS BOARD, COMPLETE
(EXCEPT EA,TH)
4
A-4734-387-A SUB-TRANS BOARD, COMPLETE (TH)
4
A-4749-093-A SUB TRANS BOARD, COMPLETE (EA)
6
1-693-603-11 TUNER (FM/AM)
7
A-4732-860-A VIDEO BOARD, COMPLETE (EXCEPT TH)
7
A-4734-555-A VIDEO BOARD, COMPLETE (TH)
8
1-823-899-11 WIRE (FLAT TYPE) (28 CORE)
M891
1-763-072-11 FAN, DC
#1
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
#2
7-685-871-09 SCREW +BVTT 3X6  (S)
60
HCD-GN70V
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
64
63
62
61
58
59
60
supplied with
S748
not
supplied
not
supplied
not
supplied
FL601
#4
#4
62
80
80
80
51
X-4955-542-1 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 (VOL)
61
4-244-089-11 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-4731-329-A VOLUME BOARD, COMPLETE(EXCEPT TH)
68
A-4734-274-A VOLUME BOARD, COMPLETE(TH)
69
4-244-096-01 KNOB (CURSOR)
70
1-773-040-11 WIRE (FLAT TYPE) (17 CORE)
71
A-4732-863-A DISPLAY BOARD, COMPLETE(EXCEPT TH)
71
A-4734-273-A DISPLAY BOARD, COMPLETE(TH)
72
4-231-581-01 HOLDER (FL)
73
1-773-110-11 WIRE (FLAT TYPE) (19 CORE)
74
A-4732-864-A GAME IN BOARD, COMPLETE(EXCEPT TH)
74
A-4734-275-A GAME IN BOARD, COMPLETE(TH)
75
1-796-487-31 DECK, MECHANICAL (CWM43RR23)
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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