H Board Schematic Diagram - Sony KDL-20B4050 Service Manual

Flat panel color tv
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A
B
C
H-SE2
1
2
3
4
5
6
JL301
Q301
7
MUN2213T1
D301
MM3Z5V6ST1
PICTURE OFF[RED&GREEN]
8
J
TIMER[RED]
Data Telecom.[RED&GREEN blink]
U/C
PICTURE OFF[RED&GREEN]
AEP
GA
TIMER[RED]
9
10
11
D
E
F
*R315
0
*R316
0
0
*R333
*R332
0
*R330
0
*R328
0
*R326
0
*R324
0
*R322
0
*R329
0
*R327
0
*R325
0
*R323
0
*R321
0
0
*R331
KALININGRADO REQUEST
C301
XX
R303
R304
JL302 JL303
1k
R301
R302
1k
1k
1k
1/10W
1/10W
RN-CP
RN-CP
1/10W
1/10W
RN-CP
RN-CP
5%
5%
5%
5%
G
R
G
R
D305
D302
CL-165HR/SYG-D-T
CL-165HR/SYG-D-T
Q303
Q304
Q302
MUN2213T1
MUN2213T1
MUN2213T1
D303
D304
D306
MM3Z5V6ST1
MM3Z5V6ST1
MM3Z5V6ST1
TIMER REC[RED&GREEN]
REC[RED]
POWER[GREEN]
POWER[GREEN]
High: LED on
Low: LED off
LED
G
H
I
H
LED, SIRCS
HOME
INPUT SEL
VOL+
MENU
WEGAGATE
S107
S106
S105
C103
R105
R104
XX
3 . 3 k
560
1/10W
1/10W
RN-CP
RN-CP
0.5%
0.5%
JL305
R305
2 . 2 k
1/10W
RN-CP
5%
IC311
5
D308
4
SML-512UW
1
2
3
Q305
MUN2213T1
R311
470
D307
MM3Z5V6ST1
C311
220p
STANDBY[RED]
S i r c s
STANDBY[RED]
COMPONENTS MARKED AS XX REFER TO PARTS LIST, WILL ONLY BE LISTED IF FITTED
- 39 -
J
K
L
POWER
R106
270
S101
D101
C101
XX
XX
R108
JL101
0
VOL-
CH+
CH-
JL102
R107
R102
XX
XX
S104
S103
S102
R103
R101
C102
D102
560
270
XX
XX
1/10W
1/10W
RN-CP
RN-CP
0.5%
0.5%
C312
C313
R312
22
47
XX
D311
MM3Z5V6ST1
Optical Sensor
M
N
O
1005
X7R
50V
2200p
C104
FB100
0uH
1
GND
2
POWER_INT
3
KEY1
FB101
JL307
0uH
4
GND
JL306
5
STBY3.3V
1005
X7R
50V
6
REC/RESERVE
2200p
C105
7
STBY_LED
8
ON_TIMER
9
PWR/RESERVE
10
PICTURE_OFF
11
BL_IN
12
VD3.3V
JL311
13
SIRCS
CN301
13P
WHT
~ H Board Schematic Diagram [ LED, Sircs ] ~

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