LG L1718S-BN Service Manual - Page 34

6. Inverter +12V VCC5V R521 33R 1/4W BRIGHTNESS R523 33K 1% +5V C507 2.2u/25V R528 NC R524 22K 1% C504 1n/50V R512 10K C511 2.2u/25V ON/OFF R526 10K +5V D505 OLP1 R514 100K D506 1N4148W OLP2 BAW56W R513 1M C512 33n/50V R531 NC ZD501 NC R507 NC Q501 NC +5V IC501 1 DRV1 2 VDDA 3 TIMER 4 DIM 5 ISEN 6 VSEN 7 OVPT 8 NC R511 0R PGND 16 15 DRV2 GNDA 14 CT 13 SSTCMP 12 LCT 11 ENA 10 9 NC OZ9938GN + C522 150uF/35V R510 0R R522 39K 1% C508 33n/50V C529 C531 470P/50V NC U501 1 2 3 S1 G1 4 S2 G2 D1 D1 8 7 6 D2 D2 5 AP9971GD U502 1 2 3 S1 G1 4 S2 G2 D1 D1 8 7 6 D2 5 D2 AP9971GD R529 1M C505 0.01u/50V +5V R527 3.3M 1% R538 C506 604K 1% 4.7n/50V C516 33nF/50V R530 1M OVP1 OVP2 R506 33R R508 33R C502 2.2n/50V C501 2.2n/50V C503 NC T501 EEL-19 24:24:2400 1 8 4 3 6 7 R532 33R C514 2.2n/50V C515 NC R533 33R C513 2.2n/50V T502 EEL-19 24:24:2400 1 8 4 3 6 7 + C509 150uF/35V R501 3M/3kv C524 10P/3KV OLP1 R502 3.3K R517 3.3K OVP1 D503 BAV70/SOT C527 5P/3KV C530 680P/50V R519 100K R515 22K C526 10P/3KV R503 3M/3KV OLP2 R504 3.3K R520 3.3K OVP2 D504 BAV70/SOT C525 5P/3KV C523 680P/50V R518 100K R516 22K H L CN504 CN502 H 3 L D501 BAV99 21 H L CN503 CN501 H L 3 D502 BAV99 21 C510 0.068u/50V R509 200R 1% R534 10K 1% Item INL CPT LPL R509 200R 200R 220R 7. Power 34