Acer A231H Service Guide - Page 87

5 4 3 2 1 +24V C509 2.2u C527 D501 R501 NC C508 C532 5.6V 5.1k 2.2u 3 D 1000P 0805 1 U502 C507 0 AP9575GH 2.2u 22 C512 47n C506 2.2u DRIV R526 1 U501 AP9971GH 3 R512 100k D502 CN506 10R 0 R502 VDDA IC501 VCC5V 10R C502 1 DRV1 DRV2 16 1u 0805 2 VDDA GND 15 C505 C R504 3 SEL SSTCMP 14 47n 4 RT1 OLP2 13 OP1 R508 100k 270k 5 RT OLP1 12 R532 0 OP2 R509 100k R521 NC R503 180k PWM 6 PWM VSEN 11 VSEN R529 2k R505 C503 100p 7 PID ISEN2 10 R510 IS1 100k 2 BRIGHTNESS 8 TIMER ISEN1 9 R531 0 IS2 100k R511 100k INL816 VDDA PWM R507 3 10R 1 2 BAT54 BRIGHTNESS C525 VCC5V 0.1uF/50V R517 220R R522 470R OP1 R523 NC R527 470R IS1 +24V VS4 VS3 VS1 VS2 DRIV 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Briness on/off +5V VS4 Is2 Op2 VS3 GND VS1 Op1 Is1 Vs2 DRIV DRIV GND GND +25V +25V NC NC 0 CON 20PIN R506 100k C526 1.0u 0805 C504 1.0u 0805 B R518 150R R524 470R 0 OP2 R519 220 VSEN D503 BAV70 VS4 VS3 C517 8.2nF/50V C521 0 NC R513 30k C518 8.2nF/50V 0 C522 NC R514 30k D504 BAV70 VS2 VS1 C520 C524 R516 8.2nF/50V NC 30k A C519 8.2nF/50V C523 NC R515 30k R525 NC IS2 R528 470R R520 150R InnoLux P236H Document Number : SIZE : APPRO BY : A4 TITLE : INVERTER SUPPLY CHECK BY : A 0 0 DATE : 2010-01-15 DRAWN BY : SHEET 4 OF 6 Rev : V01