Read Sony WX-GT77UI / WX-GT78UI / WX-GT78UIM Service Manual online
WX-GT77UI/GT78UI/GT78UIM
WX-GT77UI/GT78UI/GT78UIM
24
24
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
S10
S11
S12
D75,77,S12
1
D76,78,S11
2
D71,73,S5
EQ3
D67,69,S4
BTM
D64,66,S2
MODE
D63,65,S15
SRC/SOURCE
D87,88,S16
D68,70,S3
DSPL/SCRL
D60,62,S18
.SEEK +
D52,54,S21
D72,74,S6
ZAP
RESET
D59,61,S20
D44-47
D56,58,
S19
VOL
ILLUMINATION
ALBM/
PRESET
–
D55,57,S17
ALBM/
PRESET
+
D79,81,S10
3/REP
D83,85,S8
5/DM+
D84,86,S7
6/PAUSE
D80,82,S9
4/SHUF
(LCD BACK LIGHT)
S15
LCD1
LIQUID CRYSTAL DISPLAY PANEL
S16
S17
S18
S19
S20
S21
S22
D44
D45
D46
D47
D48
D49
D50
D52
D54
D55
D56
D57
D58
D59
D60
D61
D62
D63
D64
D65
D66
D67
D68
D69
D70
D71
D72
D73
D74
D75
D76
D77
D78
D79
D80
D81
D82
D83
D84
1
33
66º
34
D85
D86
D87
D88
S2
S3
S4
S5
S6
S7
S8
S9
N
SEEK–
1-879-272- (11)
11
KEY BOARD (SIDE A)
(LCD BACK LIGHT)
(LCD BACK LIGHT)
4-9. PRINTED WIRING BOARD – KEY Section (1/2) –
•
: Uses unleaded solder.
Ref. No. Location
• Semiconductor Location
Ref. No. Location
Ref. No. Location
Ref. No. Location
Ref. No. Location
(D7)
E-4
(D8)
E-5
D44
D-13
D45
E-13
D46
D-12
D47
E-12
D48
C-3
D49
D-3
D50
F-3
D52
F-10
D54
F-11
D55
C-12
D56
D-13
D57
C-12
D58
D-13
D59
E-12
D60
D-11
D61
E-12
D62
D-11
D63
B-8
D64
C-9
D65
B-8
( ): SIDE B
D66
C-9
D67
E-9
D68
D-9
D69
E-9
D70
D-9
D71
F-9
D72
G-9
D73
F-9
D74
G-9
D75
B-3
D76
C-2
D88
C-11
(IC1)
G-12
(IC2)
D-6
(Q40)
C-3
(Q41)
E-3
(Q42)
D-3
(Q43)
E-3
D77
B-3
D78
C-2
D79
D-2
D80
E-2
D81
D-2
D82
E-2
D83
F-2
D84
G-3
D85
F-2
D86
G-3
D87
C-10
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