LG L1718S-BN - - 17" LCD Monitor Service Manual page 34

6. Inverter
+12V
+5V
VCC5V
R521 C507
33R 1/4W 2.2u/25V
R528
R523 NC
33K 1%
R512
BRIGHTNESS
10K
C504
R524 C511
22K 1% 1n/50V 2.2u/25V
ON/OFF
R526
10K
R529
+5V 1M
R514
100K
D505
OLP1
D506
1N4148W
OLP2 C512
R513
1M 33n/50V
BAW56W
Item INL CPT LPL
R509 200R 200R 220R
7. Power
+
R531 R507 C522
NC 150uF/35V
NC
Q501
NC
ZD501
+5V
NC
R511
IC501
0R
1 16
DRV1 PGND
2 15 R510
VDDA DRV2
0R
3 14
TIMER GNDA
4 13
DIM CT
R522
5 12 39K 1%
ISEN SSTCMP
6 11
VSEN LCT
C529 C531
7 10 C508 470P/50V NC 1
OVPT ENA
33n/50V 2
8 9 3
NC NC
4
OZ9938GN
+5V
C505
R527
0.01u/50V
3.3M 1%
R538
C506
604K 1%
4.7n/50V
R530
C516
1M
33nF/50V
R506
33R R508
33R
C502
2.2n/50V C501 T501
2.2n/50V EEL-19 24:24:2400
1 8
U501
1 8 4
S1 D1
2 7
G1 D1
3 6 C503 3
S2 D2
4 5 NC
G2 D2
6 7
AP9971GD
R532
33R
C514
U502 2.2n/50V
8
S1 D1
7
G1 D1
6
S2 D2
5
G2 D2
AP9971GD
C515 T502
NC R533 EEL-19 24:24:2400
33R 1 8
4
C513
2.2n/50V 3
6 7
C509
+
150uF/35V
OVP1
OVP2
34
R501
3M/3kv
OLP1
R502
3.3K
C524
10P/3KV OVP1
R517
3.3K
D503
BAV70/SOT
C527 3
5P/3KV
D501
BAV99
2 1
R519
C530 100K R515
680P/50V 22K
R503
3M/3KV
OLP2
R504
3.3K
C526
10P/3KV
R520 OVP2
3.3K
D504
BAV70/SOT
C525
3
5P/3KV
D502
R518 BAV99
2 1
100K
C523 R516
680P/50V 22K
C510 R509 R534
0.068u/50V 200R 1% 10K 1%
H
L
CN504
CN502
H
L
H
L
CN503
CN501
H
L