AOC e1649Fwu Service Manual - Page 12

5. Schematic 5.1 Main Board 715G4548M01000005I +3.3V C762 10uF 10V U707 1 IN OUT 5 2 GND 3 SHDN SET 4 G9141T11U R408 24K 1% R405 15K 1% +2V6 C756 10uF 10V DGND DGND DGND GMT G914T11U Vout=1(1+R2/R1)=2.6, R405=15K BCD AP2126K-ADJTRG1 Vout=1.25(1+R2/R1)=2.6, R405=22K +3.3V C753 100N 16V DGND C765 Q305 AO3401A U709 3 VI 2 VO 4 4 1 GND 1UF 16V R752 15KOHM 1/16W C754 10uF 10V +1.2V C755 100N 16V DGND VBUS0 C703 100N 16V C750 10uF 10V DGND R407 10 OHM 1/10W U708 1 2 3 VCC REF VIN LX 8 7 6 4 GND PGND FB EN 5 AT1528P11U C467 100N 16V DGND L701 2.2uH 17.3mOHM 8.2A +3.3V R404 47K +-1% 1/16W C751 100N 16V C758 NC/560pF 50V R406 15K 1% DGND Vout=0.8(1+R2/R1)=3.3067 C752 10uF 10V VBUS0 C760 10uF 10V L703 10uH 1 2 D701 SR24 IN 6 LX 1 4 EN OVP 5 FB 3 2 GND U702 G5126TB1U R410 4.3K 1% +12V R403 100OHM1/16W C759 100N 16V C757 22UF 16V C704 C761 22UF 16V 100N 16V DGND R402 75 OHM +-1% 1/16W GMT G5126TB1U Vout=0.2(1+R2/R1)=12, R402=75 ohm BCD AP3031KTR-G1 Vout=0.2(1+R2/R1)=12, R402=75 ohm DGND T P V ( Top Victory Electronics Co . , Ltd. ) G4548-T0B-000-0050-101230 Key Component Date 03. Power Thursday , April 28, 2011 OEM MODEL USB power cordless TPV MODEL PCB NAME Sheet G4548-T0B-000-0050-1-101230 1 of 7 12 Size Rev 称爹 B A