Read Sony KLV-15SR1 (serv.man2) Service Manual online
KLV-15SR1 (UC) 3-1
3-1. BLOCK DIAGRAMS
SECTION 3
DIAGRAMS
12
11
10
9
8
7
6
5
4
3
2
1
GND
GND
GND
GND
GND
GND
16.5V
16.5V
16.5V
16.5V
16.5V
16.5V
CN8605
7
4
2
5
6
1
3
8
G
S1
S2
S3
D4
D3
D2
D1
Q8402
SW
1
3
4
5
9
10
13
14
17
25
CN8602
D
TO G BAORD
(POWER SUPPLY)
A(1/2)
CN8803
LH
COMP
VREF5
19
OUT_u
18
CONVERTER
LL
OUT_d
17
14
13
17
13 VCC
VCC_SENSE
14
IC8401
L8610
F8601
F8602
F8401
SW
Q8401
D1
D2
D3
D4
S3
S2
S1
G
8
3
1
6
5
2
4
7
INV
2
FB
3
D8401
10 STBY
1
2
TO 2/2
TO 2/2
3
STBY
10
D8420
3
FB
2
INV
7
4
2
5
6
1
3
8
G
S1
S2
S3
D4
D3
D2
D1
Q8418
SW
F8405
IC8404
14 VCC_SENSE
VCC
13
17
13
14
17
OUT_d
LL
CONVERTER
18
OUT_u 19
VREF5
COMP
LH
SW
Q8417
D1
D2
D3
D4
S3
S2
S1
G
8
3
1
6
5
2
4
7
STBY5V
STBY5V
AU12V
24
23
22
21
18
DCIN ALERT
D3.3V
D3.3V
D3.3V
D5V
D5V
PANEL5V
PANEL5V
STBY5V
STBY5V
3.3V ALERT
5V ALERT
DIMMER
BACK LIGHT
PANEL DET
CN1003
TO B1 BOARD
F
16.5V
D8406
Q8621,8622
SW
7
4
2
5
6
1
3
8
G
S1
S2
S3
D4
D3
D2
D1
Q8405
SW
IC8402
6
CTSV_STBY
VCC
24
27
9
22
OUT1_D
POWERGOOD
CONVERTER
12
OUT1_u 29
STBY1
VREF5
SW
Q8407
D1
D2
D3
D4
S3
S2
S1
G
8
3
1
6
5
2
4
7
F8403
5
6
7
D8432
IC8408(1/2)
21
REGSV-IN
28
LL1
17
OUT2_u
D1
D2
D3
D4
S3
S2
S1
G
8
3
1
6
5
2
4
7
SW
Q8411
10 STBY2
4
TO 2/2
18
LL2
15
INV2
14
FB2
SW
7
4
2
5
6
1
3
8
G
S1
S2
S3
D4
D3
D2
D1
OUT2_D 19
Q8409
VREF5V
Q8408
SW
7
1
3
5
6
2
4
8
G
S1
S2
S3
D4
D3
D2
D1
D1
D2
D3
D4
S3
S2
S1
G
8
4
2
6
5
3
1
7
SW
Q8404
3.3V ALERT
PANEL5V
PANEL5V
D5V
D5V
Q8406
9V
9V
D3.3V
D3.3V
14
13
2
9
LOAD
OUTB
OUTA
IC8601
DECODER
Y0
Y2
Y3 3
2
5
7
IC8602
1
A
B
7
IC8603
1
6
9
8
11
2
4
10
13
14
Q8625
INV
Q8624
INV
INV
Q8623
9
8
7
6
5
4
3
2
1
CN8606
BRTP-C
G
BRTP-B
BRTP-A
NC
BRT C
OLS
G
G
16.5V
D8606
Q8619
TO PANEL UNIT
INVERTER
3
2
1
PANEL DET(NC)
G
B/L VCC
CN8402
Q8413
3
2
1
D8431
D8434
VREF5V
IC8408(2/2)
C
TO G BOARD
CN8804
Q8627
16.5V
10
9
8
6
3
2
1
CN8603
DIMMER
BACK LIGHT
PANEL DET
D5V
16.5V
16.5V
16.5V
TO PANEL UNIT
INVERTER
16.5V
D5V
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