Read Sony KLV-21SR2 (serv.man2) Service Manual online
KLV-21SR2 (UC) 3-3
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN4601
UNREG12V
UNREG12V
GND
GND
UNREG6V
UNREG6V
UNREG6V
GND
GND
GND
UNREG33V
GND
REG10.5V
GND
4
3
2
1
CN4602
STBY5V
GND
POWER-ON
GND
4
3
2
1
CN4605
REG16.5V
REG16.5V
GND
GND
25
24
23
22
CN2801(2/2)
POWER1
POWER2
POWER3
POWER4
IC4601
CONVERTER
24
VCC
STBY1
STBY2
OUT1_D
REG5V_IN
LIM
LL1
OUT1_u
LH2
OUT2_D
LL2
OUT2_U
INV2
FB2
POWER_GOOD
33V
AU12V
IC4603
5V REG
VCC
OUT
Q4602
SW
G
S1
S2
S3
D1
D2
D3
D4
27
4
1
2
3
5
6
7
8
Q4601
SW
G
S1
S2
S3
D1
D2
D3
D4
4
1
2
3
5
6
7
8
Q4603
SW
G
S1
S2
S3
D1
D2
D3
D4
4
1
2
3
5
6
7
8
Q4605
SW
G
S1
S2
S3
D1
D2
D3
D4
1
2
3
4
5
6
7
8
L4602
IC4602
9V REG
VCC
OUT
1
2
21
30
28
29
16
19
18
17
15
14
12
Q8606
L4601
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN4603
D3.3V
D3.3V
D3.3V
D3.3V
GND
GND
GND
DSY
9V
GND
PANEL12V
PANEL12V
GND
GND
VGA
DVI_MUTE
GND
GND
3.3V_ALERT
5V_ALERT
DCIN_ALERT
GND
DIMMER
BACKLIGHT
PANEL_DET
5
4
3
2
1
CN4604
DIMMER
BACKLIGHT
PANEL_DET
GND
D5V
D4612
D4611
+9V
+12V
PS4601
9
10
F
TO B BOARD
CN1003
G
TO D3 BOARD
CN8700
TO G BOARD
CN6351
E
TO G BOARD
CN6302
TO B BOARD
CN3002
D
TO B BOARD
CN1007
A-3
(POWER SUPPLY)
D3.3V
STBY 5VV
TO A-1
3
2
1
R
L
CN6002
F6000
IC6000
DRIVER
1
15
2
23
22
20
16
PROT
Q6003
Q6000
CONVERTER
CONVERTER
Q6001
T6000
PH6000
IC603
5
7
4
3
2
REG 16.5V
REG 16.5V
REG 16.5V
CN6352
7
6
5
2
1
UNREG 6V
UNREG 6V
UNREG 6V
UNREG 12V
UNREG 12V
CN6351
D6358
D6352
Q6002,Q6004
P-ON SW
1
2
4
3
3
4
2
1
PH6002
T6001
CN6302
POWER ON
STBY 5V
GND
3
1
4
Q6300
P-ON STOP
CONV.
IC6001
1
4
2
3
8
7
5
D6012
D6360
1
3
9
8
D6306
5
6
G
(POWER SUPPLY)
AC100V
50/60Hz
L6003
D6000
14
13
12
11
L6001
L6000
L6004
+17V
F/B
D6007
Q6005
CONV.CONTROL
D6002
VCC
OUT
IC6302
5V REG
UNREG 33V
11
REG 16.5V
13
2
1
REG 16.5V
REG 16.5V
CN6350
CN8700
TO D3 BOARD
TO A BOARD
CN8601
CN8602
TO A(1/2)BOARD
10
9
T6000
11
12
13
8
9
10
D6350,D6351
D6305,D6307
D6354
D6303
D6304
D6353
D6302
D6355
D6356
D6301
D6357
5
7
1
2
CN4501
IC4501
3.3V REG
1
5
2
4
2
1
3.3V
3.3V
CN4502
TO D3 BOARD
CN8701
MSB
(3.3V REG)
D
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