Sony KLV-21SG2 Service Manual page 19

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CN8201
GND
1
16.5V
2
16.5V
3
16.5V
4
TO G BOARD
CN6352
GND
5
GND
6
D5V
7
GND
8
H
PANEL DET
9
BACK LIGHT
10
TO A-2 BOARD
DIMMER
11
CN8404
D2
(INVERTER)
Q8202
SW
T8204
1-3
5-8
2
7
4
4
6
IC8201
DRIVE
D8219
T8205
23
2
7
P2
28
4
6
Q8209
VCC
SW
15
1-3
5-8
FAIL
T8206
16
2
7
STB
1
24
4
DUTY
N2
4
6
14
VS2
18
COMP2
13
IS2
12
FB2
Q8215
Q8214
10
IS1
PROT
COMP
9
FB1
7
COMP1
Q8213
COMP
Q8208
D8201
SW
T8201
1-3
5-8
2
7
4
4
6
D8203
T8202
26
2
7
N1
4
6
Q8201
SW
1-3
5-8
T8203
2
7
27
4
P1
4
6
11
VS1
Q8204
SW
T8210
1-3
5-8
2
7
4
4
6
IC8202
DRIVE
D8220
T8211
23
2
7
P2
28
4
6
Q8203
VCC
SW
15
1-3
5-8
FAIL
T8212
16
2
7
STB
1
24
4
DUTY
N2
4
6
14
VS2
18
COMP2
13
IS2
12
FB2
Q8215
Q8217
10
IS1
PROT
COMP
9
FB1
7
COMP1
Q8216
COMP
Q8210
D8202
SW
T8207
1-3
5-8
2
7
4
4
6
D8206
T8208
26
2
7
N1
4
6
Q8203
SW
1-3
5-8
T8209
2
7
27
4
P1
4
6
11
VS1
CN8203
1
HOT-4
TO
2
HOT-5
LCD UNIT
3
HOT-6
D8215
D8217
CN8207
D8221
1
COOL-4
D8223
TO
2
COOL-5
D8228
LCD UNIT
3
COOL-6
CN8206
D8203
1
COOL-1
TO
2
COOL-2
D8227
LCD UNIT
3
COOL-3
CN8202
1
HOT-1
TO
2
HOT-2
LCD UNIT
3
HOT-3
D8204
D8212
CN8205
1
HOT-10
TO
2
HOT-11
LCD UNIT
3
HOT-12
D8216
D8218
CN8209
D8222
1
COOL-10
D8224
TO
2
COOL-11
D8230
LCD UNIT
3
COOL-12
CN8208
D8204
1
COOL-7
TO
2
COOL-8
D8229
LCD UNIT
3
COOL-9
CN8204
1
HOT-7
TO
2
HOT-8
LCD UNIT
3
HOT-9
D8209
D8210
KLV-21SG2 (AEP)
3-7

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