ViewSonic VA1912W Service Manual - Page 57

VDVI VMPLL VPLL AVDD VDPP C68 VDDC V33C VCC33 L10 1 2 VDPP VDPP1 1 TP 0603/100n/25V/7 C92 0603/100n/25V/7 12 97 117 68 14 67 95 103 115 AVDD_ADC 60 AVDD_PLL 52 4 34 44 50 U1 DDCA_DAT DDCA_CLK DDCD_DAT DDCD_CLK VCC33 RIN GNDR GIN GNDG SOG BIN GNDB HSYNC VSYNC R+ RG+ GB+ BCLK+ CLK- RIN 59 GNDR 58 GIN 56 GNDG 55 SOG 57 BIN 54 GNDB 53 HSYNC 63 VSYNC 64 DDCA_DAT 65 DDCA_CLK 66 R+ 39 R- 40 G+ 42 G- 43 B+ 45 B- 46 CLK+ 48 CLK- 49 DDCD_DAT 36 DDCD_CLK 37 AVDD R124 0603/390R/1%51 62 C91 0603/100n/25V/7 61 V5A U2 C90 WP WP 0603/100n/25V/7 8 7 3 4 VDD HOLD# WP# VSS SDO CE# SCK SDI 2 1 6 5 70 71 72 73 C80 1206/10u/16V/X/PbF GND Pm25LV512 19 R116 0603/10K/5% GND 32 C94 0603/22p/50V/N Y1 14.31818MHz 33 C93 0603/22p/50V/N GND VCC33 R118 R0603/OPEN 102 R119 R0603/OPEN 104 GND GND VCTRL VDDC VDDC VDDC VDD_OTP VDDP VDDP VDDP VDDP VDDP AVDD_MPLL AVDD_MPLL AVDD_DVI AVDD_DVI RIN0P RIN0N GIN0P GIN0N SOGIN0 BIN0P BIN0N HSYNC0 VSYNC0 DDCA_SDA/RS232_Tx DDCA_SCL/RS232_Rx RX2P RX2N RX1P RX1N RX0P RX0N RXCKP RXCKN DDCD_SDA DDCD_SCL REXT REFP REFM TSUM57AK NC/LVACKP/NC NC/LVACKM/NC RA1P/LVA2P/RA2 RA1N/LVA2M/RA3 RA2P/LVA1P/RA4 RA2N/LVA1M/RA5 RA3P/LVA0P/RA6 RA3N/LVA0M/RA7 GA1P/NC/GA2 GA1N/NC/GA3 GA2P/NC/GA4 GA2N/NC/GA5 GA3P/LVA3P/GA6 GA3N/LVA3M/GA7 BA1P/NC/BA2 BA1N/NC/BA3 BA2P/NC/BA4 BA2N/NC/BA5 BA3P/NC/BA6 BA3N/NC/BA7 RB1P/NC/RB2 RB1N/NC/RB3 RB2P/NC/RB4 RB2N/NC/RB5 RB3P/NC/RB6 RB3N/NC/RB7 GB1P/NC/GB2 GB1N/NC/GB3 GB2P/NC/GB4 GB2N/NC/GB5 GB3P/NC/GB6 GB3N/NC/GB7 SDO SCZ SCK SDI RST CLKAP/LVB3P/LHSYNC CLKAN/LVB3M/LVSYNC CLKBP/LVBCKP/LCK_ODD CLKBN/LVBCKM/LDE NC/LVB2P/NC NC/LVB2M/NC BB1P/LVB1P/BB2 BB1N/LVB1M/BB3 BB2P/LVB0P/BB4 BB2N/LVB0M/BB5 BB3P/NC/BB6 BB3N/NC/BB7 XIN XOUT ESP OSP GPO0 GPO1 GPO2 GPO3 GPO4 GPO5 GPO6 GPIO_P22 GPIO_P23 GPIO_P03 MODE[0] MODE[1] GPIO_P16/PWM2 GPIO_P15/PWM0 PWM2/GPIO_P24 GPIO_P27/PWM1 11 VCTRL 107 108 109 FB0N 110 FB0P 111 FB1N 112 FB1P 113 FB2N 114 FB2P FB0N FB0P FB1N FB1P FB2N FB2P 98 FG0N 99 FG0P 100 FG1N 101 FG1P 105 FG2N 106 FG2P FG0N FG0P FG1N FG1P FG2N FG2P 89 FR0N 90 FR0P 91 FR1N 92 FR1P 93 FR2N 94 FR2P FR0N FR0P FR1N FR1P FR2N FR2P 9 BB0N 10 BB0P 15 BB1N 16 BB1P 17 BB2N 18 BB2P BB0N BB0P BB1N BB1P BB2N BB2P 2 BG0N 3 BG0P 5 BG1N 6 BG1P 7 BG2N 8 BG2P BG0N BG0P BG1N BG1P BG2N BG2P 118 FCKP 119 FCKN 120 BCKP 121 BCKN 122 123 124 BR0N 125 BR0P 126 BR1N 127 BR1P 128 BR2N 1 BR2P FCKP FCKN BCKP BCKN BR0N BR0P BR1N BR1P BR2N BR2P R111 0603/10K/5% R122 0603/10K/5%/open 80 81 88 87 86 85 84 83 82 BSTH FSTH GVOFF STB STV CPV OE GPO51 1 POL TP BSTH FSTH VCC33 VCC33 GVOFF STB STV CPV OE POL AUDIO_ON 75 74 26 R113 0603/10K/5% VCC33 35 R103 0603/100R/5% 69 R104 0603/100R/5% 78 79 VCM_PWM PANEL_ON/OFF AUD_DET AUTO POWER C55 1206/10u/16V/X/PbF C56 0603/100n/25V/7 C57 0603/100n/25V/7 C58 0603/100n/25V/7 C59 0603/100n/25V/7 L11 1 2 GND C65 1206/10u/16V/X/PbF Close to respective power Pins C66 0603/100n/25V/7 VDVI VDVI1 1 TP TP C67 0603/100n/25V/7 Close to respective power Pins GND VMPLL L12 HCB2012KF-420T40 1 2 VMPLL1 1 TP C60 0603/100n/25V/7 C74 1206/10u/16V/X/PbF C75 0603/100n/25V/7 L13 1 2 Close to respective power Pins GND VPLL VPLL1 1 TP C76 1206/10u/16V/X/PbF C77 0603/100n/25V/7 V18C L14 1 2 Close to respective power Pins GND AVDD AVDD1 1 TP VCC18 L17 1 2 C84 1206/4.7u/16V/Y C85 0603/100n/25V/7 Close to respective power Pins GND V12A C78 1206/10u/16V/X/PbF V5A GND V5A C79 0603/100n/25V/7 Close to respective power Pins 0603/30K/5% R210 R112 0603/10K/5%/OPEN OPEN/R0603 R209 0603/20K/1%/OPEN R79 DVI DSUB R114 0603/10K/5% R115 0603/10K/5% GPIO_P12 PWM1/GPIO_P25 20 21 RSTN GPIO_P00/SAR1 GPIO_P01/SAR2 GPIO_P02/SAR3 22 23 24 25 INV_ON/OFF INV_ADJ SAR1 R110 SAR2 R117 R121 GND 0603/100R/5% 0603/100R/5% 0603/100R/5% GND MENU LEFT RIGHT R120 0603/10K/5% C88 0603/100n/25V/7 DVI 0603/0R/5%/open DVI_5V R214 GND GPIO_P06 GPIO_P07 PWM0/GPIO_P26 GPIO_P13 GPIO_P14 27 28 29 30 31 LED_GL LED_OR R105 0603/100R/5% LED_GL LED_OR VOL_ADJ TURBO GND VCC33 DSUB 0603/0R/5%/open R213 DSUB_DET 0603/10K/5% R109 R108 0603/10K/5% DDCROM_SCL DDCROM_SDA 77 76 VCC33 GND GND GND GND GND GND R106 0603/1R01K0/75% 0603/10K/5% GND need to modify, the SAR is 6 bits and the max voltage is 1.8V 13 38 41 47 96 116 R1000603/100R/5% R101 0603/100R/5% C81 0603/100n/25V/7 U7 AT24C16AN-10SU-2.7/RoHS 8 VCC A0 1 7 WP A1 2 6 SCL A2 3 5 SDA GND 4 2 DCDC_ON/OFF DCDC_ON/OFF 3 R102 1 0603/4.7K/0.1%/RoHS Q7 MMBT3904-F C89 0603/100n/25V/7 C86 0603/100n/25V/7 VDDC VDDC1 1 TP C87 0603/100n/25V/7 GND PIN VOLTAGE RIGHT 1.77V POWER 1.24V AUTO 0.47V LEFT 1.77V MENU 1.24V TURBO 0.47V RIGHT SR1(1.77) SR2(0.93) +LEFT +POWER ViewSonic Corporation VCC33 C152 0805/10u/6.3V/5/open R127 0603/20K/1%/OPEN GND SAR1 SAR11 R128 0603/23.2K/1%/OPEN LEFT TP 1 R200 0603/10M/5%/RoHS/OPEN R67 0603/12.1K/1%/OPEN MENU GND R134 TURBO 0603/3.3K/1%/OPEN VCC33 C150 0805/10u/6.3V/5/open R137 0603/20K/1%/OPEN TP 1 GND SAR2 SAR21 R138 RIGHT 0603/23.2K/1%/OPEN R201 R139 0603/12.1K/1%/OPEN POWER 0603/10M/5%/RoHS/OPEN R140 AUTO 0603/3.3K/1%/OPEN GND 54 Confidential - Do Not Copy VA1912w-2_VA1912wb-2 GND C70 0603/10n/25V/7/RoHS U5 4 NC 5 CD VSS 3 VDD 2 OUT 1 RN5VD40AA/RoHS GND GND Vref VCC33 R212 0603/1K/5% WP ViewSonic Corporation Model Title Scalar Date Rev: