Sony KLV-21SG2 Service Manual page 15

CN4601
UNREG12V 1 AU12V
UNREG12V 2
GND 3
GND 4
UNREG6V 5
UNREG6V 6
UNREG6V 7
TO G1 BOARD
CN6351 GND 8
GND 9
GND 10
UNREG33V 11 33V
GND 12
REG10.5V 13 REG16.5V
GND 14
IC4601
CONVERTER
CN4605 PS4601
24
REG16.5V 1 VCC
TO D2 BOARD
CN8210 REG16.5V 2 OUT1_D
9
STBY1
CN2801(2/2)
REG5V_IN
POWER1 22
10
POWER2 23
C
STBY2
POWER3 24
TO B-1 BOARD POWER4 25
OUT1_u
CN1007
OUT2_D
OUT2_U
POWER_GOOD
A1-3
(POWER SUPPLY)
IC4603
5V REG
VCC OUT
Q4602
SW
L4601
27 4 5
G D1 D3.3V
1 6
S1 D2
1 2 7
S2 D3
2 3 8
S3 D4
21
30
LIM
28
Q4601
LL1
SW
29 4 5
G D1
1 6
S1 D2
2 7
S2 D3
3 8
S3 D4
16
Q4603 IC4602
LH2
SW 9V REG
L8602
19 4 5 +9V
G D1 VCC OUT
18 1 6
Q4605
LL2 S1 D2
17 2 7 SW
S2 D3
3 8 1 5 +12V
S3 D4 G D1
2 6
S1 D2
3 7
Q4606
S2 D3
4 8
S3 D4
15
INV2
14
FB2
12
AC IN
CN4603
1 D3.3V
2 D3.3V
3 D3.3V
4 D3.3V
5 GND
6 GND
7 GND
8 D5V
9 9V
10 GND
11 PANEL12V
12 PANEL12V
B
13 GND
14 GND
TO B-1 BOARD
15 VGA(NC)
CN1003
16 DVI-MUTE(NC)
17 GND
18 GND
19 3.3V_ALERT
20 5V_ALERT
21 DCIN_ALERT
22 GND
23 DIMMER
24 BACKLIGHT
25 PANEL_DET
CN4604
5 DIMMER
4 BACKLIGHT
TO LCD PANEL
3 PANEL_DET
2 GND
1 D5V
Q4604
16.5V
D4612
D4611
P_MUTE
2
L6003
CN6002 L6004
F6000
D6000
L 1
2
N 3
IC6002
DRIVER
1 23
Q6001
22
PROT
+17V
15 20
F/B
2 16
D6006
Q6003,Q6004
P-ON SW
Q6002
CONV.CONTROL
IC6003
IC6001
CONV.
1 8
4 7
2
3 5
G2
D6011
(POWER SUPPLY)
T6002
D6015
13
5 12
11
10
D6017
7 9 D6021
CN4501
8 CN6004
1 REG 16.5V 1
2
2 REG 16.5V
D6022
T6003
Q6005
CONVERTER D6018
D6020
5 14
13
Q6006 12
CN6003
CONVERTER
1 UNREG 12V
7 11
2 UNREG 12V
10
5 UNREG 6V
9 TO A-3 BOARD
6 UNREG 6V
CN4601
7 UNREG 6V
D6019
11 UNREG 33V
PH6002
13 REG 16.5V
4 1
3 2
IC6005
PH6001
CN6302
4 1
3 POWER ON
Q6007
1 STBY 5V
P-ON STOP
3 2
4 GND
TO B-1 BOARD
CN1009
D6010
T6001
IC6004
5V REG
D6015
1 9
VCC OUT
3
8
5
6
MSB
(3.3V REG)
IC4501
3.3V REG
CN4502
2 1 1 3.3V
TO B BOARD
4 5 2 3.3V CN3002
D
KLV-21SG2 (UC) 3-3