B Board - Sony FDL-250T Service Manual

Lcd color tv
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B
[
Y/C/J, LCD CONTROL
– B Board –
C
E
B
B E
C
C
C
B
E
B
E
]
E
C
B
B
C
E
B
C
E
B
C
E
C
B
E
< Component Side >
< Conductor Side >
– 19 –
CN301
CN401
1
BRT
1
STHL
2
-10V
2
OEH
3
D.GND
3
Q1H
4
IND
4
CPH1
5
VHF
5
CPH2
E
B
6
UHF
6
CPH3
C
7
VIDEO
7
GND
E
E
B
B
8
A.GND
8
VB
C
C
9
5V
9
VG
10
7.5V
10
VR
11
A.GND
11
NC
12
30V
12
L/R
13
D.GND
13
STHR
14
H.P
14
AVDD
15
UNREG GND
15
VCOM
16
UNREG GND
16
VGH
17
UNREG
17
VCC
18
UNREG
18
STVL
19
OEV
20
CKV
21
U/D
22
STVR
23
NC
24
VGL
FDL-250T

B BOARD

DIODE
*
UPPER LOWER
3
D301
C-2
3
D302
A-2
3
D401
A-3
TRANSISTOR
*
UPPER LOWER
2
Q302
A-2
2
Q303
C-2
2
Q304
B-2
2
Q305
B-2
2
Q306
B-2
2
Q401
A-3
Q402
A-3
2
Q701
C-1
2
Q702
C-1
1
Q703
B-1
1
Q704
B-1
IC
UPPER LOWER
IC301
C-1
IC302
B-2
IC401
C-3
IC403
C-3
VARIABLE RESISTOR
UPPER LOWER
RV301
B-2
RV302
A-2
RV306
C-1
RV308
B-2
UPPER : Component side
LOWER : Conductor side

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