ViewSonic VX710 Service Manual - Page 76

C2 1u/6 GND VCC12 R2 0/1206 C8 0.1u/6 GND U2 8 BOOST 7 IS 6 VCC 5 FB AIC1563 DC 1 DE 2 R4 CF 3 R5 GND 4 GND GND 47/6 330K/6 R11 3K/6 1% C10 2200p/6 R12 1K/6 1% R11:3K 1% ohm, R12:1K 1% GND ohm -->output:5V; R11:3.6K 1% ohm, R12:2.2K GND 1% ohm-->output 3.3V C9 120p/6 R7 240K/6 1% 2 D2 1SS355 1 R9 1K/6 3 Q2 MMST3906 4 5 3 6 2 7 1 8 Q1 NDS9410A/SO D1 1SS355 C7 0.1u/6 3 L2 2 1 47UH D3 RB081L-20 1 GND EC4 330u/16V EC5 10uF/16V 1 GND EC2 10uF/16V 1 GND EC6 10uF/16V C12 0.1u/6 R6 330/6 1% 5DVCC + 5DVCC C1 0.1u/6 EC1 10uF/16V U1 AIC1117CY 3 VIN VOUT 2 + R3 200/6 1% 3DVCC + EC3 10uF/16V C3 0.1u/6 3 2 1E 3DVCC RTD 3DVCC 3AVCC1 3PVCC 3AVCC2 ADC_ 3AVCC RTD 3PVCC LVDS_3AVCC U3 AIC1117CY 3 VIN VOUT 2 2.5DVCC 2.5DVCC R15 200/6 1% + + RTD 2.5DVCC R17 200/6 1% CN1 1 3 5 CONN 4x2-R 12V 2 4 6 8 FUSE1 0 1 2 C4 0.1u/6 R1,L1 VCC12 C5 0.1u/6 C6 330u/16V 3DVCC 3DVCC L3 2 R8 0/6 Q3 MMST3906 1 10K/6 C11 0.1U/6 R10 10K/6 R13 R14 10K/6/NC 3DVCC 1K/6 VRMT C102 1U/6 R18 C13 1U/8 4.7K/6 R16 1K/6 3 Q4 SN7002E 2 VBRI DSUB_5V 1 GND DGND RTD 3DVCC 3DVCC ADC_ 3AVCC 3AVCC1 RTD 3PVCC 3PVCC LVDS_3AVCC 3AVCC2 L29 FEB/1206/NC U10 3 VIN 2.5DVCC VOUT 1 2.5DVCC 2 GND RTD 2.5DVCC AIC1739/NC Modify D30 1N4148 3DVCC NC/CX201209805/8 VCPU L27 Q18 D31 MMBT3906 CX201209805/8 1N4148 R143 4.7K/6 L28 Q19 C100 0.1u/6 C101 NC/6 3DVCC MMBT3906 R144 4.7K/6 3.3V-->2.5V regulator for 3.3V system power, no 5V 2004/4/14 Title POWER Size Document Number Rev Date: Friday, October 15, 2004 ViewSonic Corporation Confidential - Do Not Copy VX710 73