ViewSonic VX710 Service Manual - Page 73

Reset circuit VCPU D32 NC/ 1N4148 R165 NC/100K/6 Q20 2 1 NC/2N3906 VCPU 3 C86 NC/1U/16V C103 NC/1U/16V 3AVCC1 3AVCC1 R147 4.7K/6 RESET VCPU 1 2 C75 0.1U/6 U8 1 2 3 4 A0 A1 A2 VSS VCC WP SCK SI 8 7 6 5 24LC16 PARAMETER EEPROM R106 NC/82K/6 2 3 1 R166 0/6 D33 NC/DAN202U Add Q20,R165,R166,C103,D32,D33 2004/6/16 C87 10pF/6 C88 10pF/6 Y2 11.0592MHz R80 R81 2K/6 2K/6 R83 R92 VCPU R142 NC 100/6 IICSCL 100/6 IICSDA LED_R LED_G PANEL_PW12 MUTE Hot_Plug STBY PWR_SEL VCC12 R41 6.8K/6 3DVCC C R78 10K/6 LED_G LED_R R79 10K/6 R82 4.7K/6 Q13 R93 4.7K/6 2 2N3906 1 3 B 1 Q12 2 2N3906 E 3DVCC 3 VCPU + C84 C85 22uF/16V 0.1u/6 MENU SEL PWR DOWN UP RIGHT LEFT Junction from A change to B 6 5 4 8 43 44 I1 12 11 7 19 14 13 27 26 16 9 30 31 32 33 NC NC VDD3 VCC HSYNC VSYNC P5.0 P5.1 X1 P5.2 P5.3 P5.4 X2 P5.5 P5.6 RESET DA8/HLFHO DA9/HALFV P1.0 P1.1 INT0/P3.2 P1.2 P1.3 P1.4 ISCL/P3.5/T1 P1.5 ISDA/P3.4/T0 P1.6 P6.0/AD0 P1.7 P6.1/AD1 DA7 P6.2 P4.0 P6.3 P4.1 P6.4 P4.2 P6.5 P6.6 P3.1/TXD P6.7 P3.0/RXD 3 2 1 42 41 40 34 39 38 17 18 20 21 22 23 24 25 35 36 37 15 28 29 10 VSS MTV312M64 R164 22 VCPU R163 4.7K/6 VCPU MENU SEL PWR UP DOWN RIGHT LEFT R39 4.7K/6 R40 4.7K/6 R124 R125 100/6 100/6 C76 0.1U/6 C77 0.1U/6 C78 0.1U/6 C79 0.1U/6 C80 0.1U/6 C81 0.1U/6 C82 0.1U/6 R87 33K/6 R88 33K/6 R89 33K/6 R90 33K/6 R91 33K/6 R84 33K/6 R85 33K/6 less R94 to CN6 pin 11 R101,R103 net swap CN6 R95 R96 R97 R98 R99 R100 R101 R102 R103 1K/6 1K/6 1K/6 1K/6 1K/6 1K/6 1K/6 220/6 220/6 10 9 8 7 6 5 4 3 2.0mm pitch 2 1 90° E&T 4607-11Pin 4501-10-10P-R TO BUTTON BOARD AVS VCPU R110 R111 R112 R113 R114 R115 4.7K/6 4.7K/6 NC NC 4.7K/6 4.7K/6 R116 4.7K/6 VRMT VCPU TxD RxD R109 4.7K/6 R108 4.7K/6 R120 NC PANEL_PW3 SDIO1 SDIO2 SDIO3 RTD_SDO/SDI RTD_SCLK RTD_SCSB DDC_SDA DDC_SCL 5DVCC JP1 1 2 3 4 HEADER 4 R38 2K/6 Title MCU & BUTTON Size Document Number Rev DISPLAY A Date: Friday, October 15, 2004 ViewSonic Corporation Confidential - Do Not Copy VX710 70