ViewSonic VA902B Service Manual - Page 45

Scaler VAD VPLL VDVI VDPLL VPO 11 AVDD_PLL 53 45 51 AVDD_DVI AVDD_DVI 35 AVDD_MPLL 55 65 AVDD AVDD RIN GNDR GIN GNDG SOG BIN GNDB HSYNC VSYNC VDVI R128 DIMMER1 390 1% C125 1u/16V 63 62 60 59 RIN0 RIN0M GIN0 61 58 57 37 GIN0M SOGIN0 BIN0 BIN0M 38 29 28 HSYNC0 VSYNC0 DDC1_CLK/GPO8 DDC1_DAT/GPO7 40 41 43 44 R+ RG+ 46 47 49 50 GB+ BCK+ 52 CKREXT 66 REFP 67 REFM 73 74 PWM0 PWM1 U104 TSU16AK AVSS AVSS AVSS_MPLL AVSS_PLL C126 22p/50V X102 14.318MHz C168 22p/50V 33 XIN 34 XOUT AVSS_DVI AVSS_DVI AVSS_DVI 68 56 AVSS 64 36 54 39 42 48 10 20 85 95 105 115 GNDP GNDP GNDP GNDP GNDP VDDP VDDP VDDP VDDP VDDP VDDP 21 84 94 104 114 126 127 GNDP GNDP VDDP 18 87 97 VDD 117 VCC3.3 VPO VCC3.3 FB102 BEAD60OHM C128 C129 C130 C131 C132 C133 C170 C171 10u/16V 0.1/50V 0.1/50V 0.1/50V 0.1/50V 0.1/50V 0.1/50V 0.1/50V VDDC VDDC VDDC VDDC LVA3P LVA3M LVACKP LVACKM LVA2P LVA2M LVA1P LVA1M LVA0P LVA0M NC/LVB3P NC/LVB3M NC/LVBCKP NC/LVBCKM NC/LVB2P NC/LVB2M NC/LVB1P NC/LVB1M NC/LVB0P NC/LVB0M AD0/GPO6 AD1 AD2 AD3/GPO5 CSZ SCL SDA HWRESETZ INT BYPASS AVSS_LPLL BUS TYPE/NC 102 PA0 103 PA1 106 PA2 107 PA3 108 PA4 109 PA5 110 PA6 111 PA7 112 PA8 113 PA9 118 PB0 119 PB1 120 PB2 121 PB3 122 PB4 123 PB5 124 PB6 125 PB7 128 PB8 1 PB9 30 77 78 31 69 71 70 32 72 3 2 6 PA[0..9] PA[0..9] PB[0..9] PB[0..9] R164 1K R163 1K R162 1K C127 0.1/50V R129 4K7 VCC1.8 VAA1 AD0 AD1 AD2 AD3 CSZ/ALE SCL/RDZ SDA/WRZ HWRESET INT VAA2 VAA3 VCC3.3 VCC1.8 VDD FB103 BEAD60OHM C134 10u/16V VAA1 VAD FB104 BEAD60OHM C138 10u/16V VAA2 VPLL FB105 BEAD60OHM C140 10u/16V VAA3 VDVI FB106 BEAD60OHM C142 10u/16V VAA4 VDPLL C135 C136 C137 C172 0.1/50V 0.1/50V 0.1/50V 0.1/50V C139 C173 0.1/50V 0.1/50V C141 0.1/50V C143 C174 0.1/50V 0.1/50V C164 100p/50V C163 100p/50V C162 100p/50V GNDC GNDC GNDC GNDC 96 116 19 86 VAA4 FB107 BEAD60OHM C144 C145 10u/16V 0.1/50V Note: U104 pin4,5,7~9,12~17,22~27,75,76,79~83,88~93,98~101 are all NC (open) ViewSonIinc noLux Document Number : 0921341040 TITLE : SCALER LE1909 (VA902V/bA)902/b SIZE : A4 APPRO BY : CHECK BY : DATE : SHEET 4 2005-06-07 OF 6 Rev : V01 DRAWN BY : ViewSonic Corporation Confidential - Do Not Copy VA902/b 42