Sony VPH-G90E, Service Manual

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2
3
4
5
A B C D E F G H
1
10-63 10-63 VPH-G90J/G90E/G90U/G90M
YB BOARD
YA
-B SIDE-
SUFFIX: -11
YB
-B SIDE-
SUFFIX: -11
YB YB
1
2
3
4
8
7
6
5
IN/OUT 1
OUT/IN 1
CONT 2
GND
VCC
CONT 1
OUT/IN 2
IN/OUT 2
1
2
3
4 5
6
7
8 G
A1
Y2
Y1
A2
G
V
CC
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
RO
RE
DE
DI
GND
GND
VCC
NC
A
B
Z
Y
NC
YA BOARD (10/10) IC961, 962
MAX3085CSA
YA BOARD (8/10) IC602
MC10H640FN
YA BOARD (9/10) IC703
TC4W66FU YA BOARD (9/10) IC704
TC7W241FU
SUB +5V
1 2 3 4 5
6 7 8 9 10
e d c d.p gc
b a rc q f
a
b f
g
c e
d
d.p
1 2 3 4 5
6 7 8 9 10
e d c d.p gc
b a rc q f
a
b f
g
c e
d
d.p
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15
R203 R202 R201 R200
R204 R205 R206 R207 R208 R209 R210 R211
CN410
Q201
Q200
Q202
Q203
ND200 ND201
1k
:CHIP
1k
:CHIP
1k
:CHIP
1k
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
100
:CHIP
15P
2SA1162
7SEG CONT.
2SA1162
7SEG CONT.
2SA1162
7SEG CONT.
2SA1162
7SEG CONT.
7SEG DRIV. 7SEG DRIV.
Q1 Q0 Q2 Q3 Q4 Q5 Q6 Q7
SUB+5V
Y3 Y2 Y1 Y0
GND
YB
B-%SX1640<AEP>-YB
(7SEG DISPLAY)
TO YA BOARD(10/10)
CN902
7 9 11
SEL
10
VT Q5
8
Q4 GT
5 6
GT Q1
+ 2 MUX
+ 4
12
15
18
14
17
13
16
23 19
VT
20
Q0 GT
22 21
GT Q1
25 24
VT VT
27
1
4
3
26
28
2
Q2
GT
GT
Q3
VT
VT
Q0
VBB
DE
DE
VE
R
GE
DT