Sony SDM-N50PS Service Manual page 34

1 2
A
12V
TO P2 PWM
5V(SENS)
TO P2 I_SENS
B
GND
R657
R658
0
C
R659
D
E
F
B
-P3
(INVERTER)
G
Schematic diagram
Ò Ò Ò Ò Ò
B
-P2 board
3 4
5
PS651
L653
12V
22µH 2A
R651
100k
1/16W
0
DTA143XKA-T146
C653
39
16V
0
Q651
DTC114EKA-T146
0
INV
4.8
0
R671
R667 R668
5V
39k 10k 22k
1/16W 1/16W
1/16W
0
5.0
5.0
C658
47
16V
C655 C659 R672
0.1 0.1 39k
25V 25V 1/16W
Schematic diagram
4-27 B
6 7 8 9
L651
68µH
Q653
FZT853-TA
11.3
INV
0.3
R653
R654 0.1
1k
1k
1/4W
1/4W
Q652 C652
0.12
0.3
100V
SW
5.8
R652
5.1k R655 R656 11.3
1/16W 1k 1k
Q654
11.5 1/4W 1/4W
FZT853-TA
INV
L652
68µH
IC651
C656
µPC393G2
1000p R665
56k
1/16W
R666
OUTA V+
4.7M
5.0 R664
1/16W
24k
IN A- OUTB
1/16W
0
IN A+ IN B-
0
V- IN B+
R663 R669 R670
C657
1.8k 0.22 0.22
0.1
1/16W 1/4W
25V 1/4W
l l l l l
-P3 board
10 11
12
T651
TRANSFORMER POWER
1 6
CN507
2P
4
3 HOT
3 2 NC
1 GND
2 TO LAMP
5 7
T652
TRANSFORMER POWER
1
6
CN508
2P
4
3 HOT
3 2 NC
1 GND
2 TO LAMP
5 7
B-SS3534<AEP>-B-P3(24)
4-28