Sony XA-V7W, Service Manual

Page: 31 / 80

XAV-7W
31 31
IC3
IC7 IC1
R239 R233 R227 R221 R220 R234 R236
C276 C277
R244 R245 R246
R609 C612
C613 R89
R608
R93 R91 R94 R95
R98 R97 R96
TP122 TP123 TP124 TP119
C611
C604
C610
C603
L2
C601 C602
TP121
TP120
R90
C721 C257
R937
C225
R940
L202
R225
C275
R167 R169
R168
R170
TP113 TP112 TP115
C253
IC15
R603
TP38
R602
TP37
R601
TP39
C600
L4 L201
R171
R166
C141
TP111
TP110
TP114
C142
C143
R610 C608
TP117
TP118
C266 C267
C294 C293 C292 C291 C270 C268 C269 C606
TP116
D13
L5
IC10
R970
IC12
IC6 IC5
C609
R222
R228 R229 R231 R240 R241 R243
R235 R250
R254 R256 R255
Q200
R607
Q199
R606
Q198
IC11
IC2
C729
D12
IC8
C617
C614 R612 R613 C615
C616
R611
R605
TC74VHC08FS
TC74VHCT24 MC74LCX16244DTR2
12k 12k
7.5k 5.1k
12k
5.1k 2.7k
2.2 2.2
2.7k 5.1k 12k
120 1
0.1 0
150
470 470 470 470
0 0 0
0.1
10
1000p
0.1
10 1000p
470
680p 10
10k
1000p
10k
2.7k
2.2
100k 100k
100k
100k
1000p
NJM2286V
100
100
100
100
6.3V
100k
100k
2.2
2.2
2.2
10k 0.1
1000p 1000p
1000p 1000p 1000p 1000p 0.1 1000p 1000p 1000p
MA152WK-TX
TC7SH86FU
22k
NJM2370
TC74VHC04FS TC74VHC08FS
10
560
2.2k 1.5k 2.2k 1.8k 1.5k 5.1k
560 560
1k 1k 2.2k
2SA1586YG
220
2SA1586YG
220
2SA1586YG
TC74HC4538AFT
MB90096PF-G-
238-BND-ER
330p
MA111-TX
NJM2246
2.2
0.1 1M 1M 0.1
0.1
1M
220
A1
A2
A3
A4
R
_
IN
G
_
IN
B
_
IN
V
ID
E
O
_
IN
VIDEO_OUT
R_OUT
G_OUT
B_OUT
V
_
M
U
T
E
/V
_
M
U
T
E
R G B
B
V
S
Y
N
C
G R B
T
R
E
S
C
L
(O
S
D
)
SD
A
(O
S
D
)
OSD_RST
I
R G G R B I B I
R
G
A
V
_
S
EL
S1
S2
S3
S1
S2
S3
G G G R R R I I I I
I
B B B
G R
B I
B G B R
HSYNC
C
S
(O
S
D
)
G R
A
V
_
S
E
L
AV
3
V
S
IN
S
C
LK
T
R
E
V
3V
B
O
U
T
R
O
UT
G
O
U
T
IO
U
T
V
O
B
1
V
O
B2
C
PO
U
T
V
C
O
IN
D
O
CK
I
D
OC
K
O
E
V
EN
D
IS
P
V
S
Y
N
C
H
S
Y
N
C
C
S
R
ES
ET FH
T
ES
T
1
G
1
A
1
2Y
4
1
A
2
2Y
3
1
A
3
2Y
2
1
A
4
2
Y
1
G
N
D
V
C
C
2
G
1
Y
1
2
A
4
1Y
2
2
A
3
1
Y
3
2
A
2
1
Y
4
2
A
1
1
Y
2
1
Y
3
1
Y
4
1
1
A
1
2
Y
4
1
A
2
2Y
3
1
A
3
2
Y
2
1
A
4
2
Y
1
G
N
D
V
C
C
1
Y
1
2
A
4
2A
3
2
A
2
2
A
1
O
E
G
N
D
3
Y
1
3Y
2
G
N
D
3
Y
3
3Y
4
V
C
C
4
Y
1
4Y
2
G
N
D
4
Y3
4Y
4
O
E
4
O
E
2 G
N
D
G
N
D
3
A
1
3
A
2
G
N
D
3
A
3
3
A
4
V
C
C
V
C
C
4
A
1
4
A
2
G
N
D
4A
3
4
A
4
O
E
3
C BP
VOUT VIN
V
S
S
A
V
S
S
V
C
C
A
V
C
C
A
V
S
S
G
N
D
1
Q
1
Q
1
B
1
A
1
C
D
1T
1
1
T
2
Q B
C
D
V
C
C
2
2
Q
2
2
A
2 2
T2
2
T
1
+3.3V REGULATOR
G
RGB/OSD
SELECT SWITCH
MULTIVIBRATOR
LEVEL SHIFT
SWITCHING
GND
VCC GND
VCC
(5/5)
VCC
GND
ON SCREEN
DISPLAY
CONTROLLER
GND
VCC
GATE SWITCH
BUS BUFFER BUS BUFFER
VCC
GND
GND
SWITCHING
RGB B BUFFER
RGB G BUFFER
RGB R BUFFER
VIDEO SWITCH,VIDEO BUFFER
GND VIN1
CTL2
VIN2
VOUT
V+
VIN3 CTL1
10 µ H 22 µ H
10
µ
H
10 µ H 10 µ H
6-10. SCHEMATIC DIAGRAM – MAIN Board (5/5) – • See page 26 for Waveforms. • See page 47 for IC Block Diagrams.
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Ver 1.1