ViewSonic Va703m4 Service Manual
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Item ViewSonic P/NRef. P/N Description Qty
1 N/A E015-006-W (10mm*14mm) Bird logo 1
2 N/A E015-016-1-W VIEWSONIC 38MM 1
3 N/A E231080150009
SPEAKER 3717CP15 OBLONG 8
Ω 1.5W R/L450mm
L37*W17*H9mm Y&G LEAD FREE 1
4 N/A E34M02170J001 LCD MODULE MT170EN01 1280×1024[SX] 17 LVDS INNOLUX 1
5 N/A M105243005401 SCREW MACHINE (Binding)
Φ3.0mm L5mmNICKEL 13
6 N/A M105243006401 MACHINE SCREW Bouding
Φ3.0*L6mm NICKEL 2
7 N/A M105244006401 SCREW BINDING
Φ4.0*L6mm WITH NICKEL AD WASHER 1
8 N/A M108224008401...](http://img.usermanuals.tech/thumb/80/66498/w64_viewsonic-va703m4-service-manual-1492672381_d-76.png "Page 77
Item ViewSonic P/NRef. P/N Description Qty
1 N/A E015-006-W (10mm*14mm) Bird logo 1
2 N/A E015-016-1-W VIEWSONIC 38MM 1
3 N/A E231080150009
SPEAKER 3717CP15 OBLONG 8
Ω 1.5W R/L450mm
L37*W17*H9mm Y&G LEAD FREE 1
4 N/A E34M02170J001 LCD MODULE MT170EN01 1280×1024[SX] 17 LVDS INNOLUX 1
5 N/A M105243005401 SCREW MACHINE (Binding)
Φ3.0mm L5mmNICKEL 13
6 N/A M105243006401 MACHINE SCREW Bouding
Φ3.0*L6mm NICKEL 2
7 N/A M105244006401 SCREW BINDING
Φ4.0*L6mm WITH NICKEL AD WASHER 1
8 N/A M108224008401...")
40mil40milPANEL POWER 5DVCC BKLT-EN LED-2 LED-1 BKLT-ENJ1 LED-2LED-1 5DVCC BKLT-VBRI BKLT-VBRI DGND DGND DGND DGND 5V5DVCC LED2 LED1 DGND 3.3VPANEL_VCC5V 5V ONPANEL_5V DGND VBRI INVON POWER MENUEXITDOWNUPMUTE 3.3DVCC 3.3V MCU_VCC 5DVCC R2NC/0 R171K R82K R5100k R1610K/NC Q4 2N390612 3 R410K Q52N390612 3R14220 R120220 C10 1uF Q1AO3401 1 32 +C7047uF_16V/NC L1FEB/1206 Q6KST39041 2 3 FB1FEB/1206 +C7 100uF_16V +C1100uF_16V JP1 HEADER 13/SM 12345678910 12345678910 R121220 +C6 100uF_16V R123220 R117220 C11 100nF R118220 C8 100nF R10 330 R1271K R1261K CN12.0_11pin 123456 R2NC/0 C127100nF R116220 R61KC9NC R131K R11 330 C50.01uF R119220 C130100nF R122220 R9NCC131100nF L2FEB/1206 C322uF/16V U3 1117-33/AIC1084-33 32 1 VINVOUT GND R15NC R124.7K R74.7K Q3KST39041 2 3 C129100nF R30/NC C132100nFC128100nF C2100nF C4100nF Q2 KST3904 1 2 3 Model Title DateRev: ViewSonic Corporation ViewSonic Corporation 77 10. Schematic Diagrams Confidential - Do Not Copy VA703b-4_VA703m-4
Model Title DateRev: ViewSonic Corporation LED-1LED-2 UPDOWN MENU MUTE EXIT POWER MUTEUPDOWNEXITMENUDGND JP4 HEADER 13/SM 654321 654321 LED1 A1 C A2 JP3 HEADER 13/SM 654321 654321 SW31234 SW61234SW51234 SW41234 SW21234 JP5 HEADER 13/SM 12345678910 12345678910SW11234 ViewSonic Corporation 78Confidential - Do Not Copy VA703b-4_VA703m-4
Model Title DateRev: ViewSonic Corporation EVOLUME3 STBY3 5DVCC3 DGND AGND 5VA 5VA AGNDAGNDAGNDAGNDAGND AGND AGND AGND AGND CA130.1uF FBA1BED/6 CA2 0.1uF FBA10BED/6 CA10.1uF FBA5BED/6 CNA3 2PIN 2.0mm180 12 CNA2 2PIN 2.0mm180 12 +CA122.2uF_16V RA547K FBA8BED/6 RA8NC/1R2+CA310uF_16V FBA2FEB/1206 CA6NC/180PF UA1 APA2065 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16ROUT+ SHUTDOWN RIN- GND GND VOLUME LOUT+ LIN-VDD LOUT- BYPASS GND GND SE/BTL ROUT- VDD CA41uF FBA4BED/6 CNA1 PHONEJACK 5P 12 3 45 CA10NC/180PFRA9NC/1R2 FBA6BED/6 CA81uF RA747K CA16NC/0.1uF +CA11100uF_16V FBA9BED/6RA610K CA15NC/0.1uF RA410K FBA7BED/6 RA315K ViewSonic Corporation 79Confidential - Do Not Copy VA703b-4_VA703m-4
Model Title DateRev: ViewSonic CorporationClosed to MCU DGND MCU_RESET MCU_VCC MCU_VCC IICSCL IICSDA IICSDA MCU_RESET IICSCL MCU_VCC MCU_VCC DVII_DETECT DVI_POWER VOLUME DGND DOWN MENUPOWER VGA5V_1 LED1 DDC2_SCL DDC1_SCL UP DGND ONPANEL_5V 5DVCC RESET_MCU RTD_SCSB 3.3DVCC INVON RTD_SCLK STBY EXIT DSUB_DETECTLED2 DDC1_SDA MUTE MCU_VCC 3.3DVCC MCU_VCC Y224MHzR151 10K MTV512MG U5 MTV512 4445464748123 4 8 151617 414039383736353433 32 28 29 2021222324252627 5 91011121314 6 P5.0/DA0P5.1/DA1P5.2/DA2P5.3/DA3P5.4/DA4P5.5/DA5HSCL2/P5.6HSDA2/P5.7 RST HDA1/TX/P3.1XTAL2XTAL1VSS VCCP1.0P1.1P1.2P1.3P1.4P1.5P1.6P1.7 NC VSYNC NC P6.0/AD0P6.1/AD1P6.2/AD2P6.3/AD3P6.4P6.5P6.6/CLK0P6.7 HCL1/RX/P3.0 P3.2/INT0P3.3/INT1P3.4/T0P3.5/T1P7.6/CLKOP7.7 NC R1526.8K C12510pF R149100 U4 X24C16 (SMD) 8564 7321 5DVCCSDASCLGND TESTA2A1A0 +C123 100uF Q11 2N3906 1 23R1424.7K R148100 +C122 10uF_16V R146100 R138100 RP1 472_41 8 2 7 3 6 4 5 R147100 Q10 2N3906 1 23 R1410 R1394.7K R150 10K D281N414812 R143 NC/4.7K R140100 C12610pF C121100nF D291N4148 1 2 D271N414812 RP3 472_41 8 2 7 3 6 4 5 C124 100nF R1444.7K R1374.7K RP5 472_41 8 2 7 3 6 4 5 RP4 472_41 8 2 7 3 6 4 5 R1364.7K D301N4148 1 2 RP2 472_41 8 2 7 3 6 4 5 R145NC/4.7K D261N414812 RP6 472_41 8 2 7 3 6 4 5 SDIO1 RTD_SD3/SDI SDIO0 DDC2_SDA SDIO2 ViewSonic Corporation 80Confidential - Do Not Copy VA703b-4_VA703m-4
Model Title DateRev: ViewSonic Corporation Closed to Scaler DDC1_SDADDC1_SCL XOXI RX2PRX2NRX1PRX1NRX0PRX0NRXCPRXCN BJT_B RXE3-RXE3+ RXO3+ RXE1+RXE1-RXE0+RXE0- RXEC+RXEC- RXO0-RXO0+RXO1-RXO1+RXO2-RXO2+RXOC-RXOC+RXO3- RXE2-RXE2+ 33VRST_REF 1.8CC XI RST_OUT DDCSDA1DDCSCL1 XO RXE2- RXE3+ RXO1+ RXE2+ RXOC- RXE0-RXO3- RXE1+ RXE3- RXE1- RXO2+ RXO0+ RXO3+ RXO2-RXO1- RXEC- RXO0- RXOC+ RXE0+ RXEC+ PWM0 R0-RXE1+ DGND RXE3- RXE2+ RXE0+ BJT_B RXO3+ RXO2- DGND G0- DGND RXOC- RXE1- DDC1_SCL RXOC+ RXE2- PWM0 B0- RXO2+XO AVS0 SOG0 RXE3+ XI RXO1+RST_OUT RXO0- G0+ RXO3- 1.8CC DGND RXE0- RXEC- RXO0+ DDC1_SDA R3.3DVCCRXO1- B0+ 33VRST_REF 1.8CCR1.8DVCC AHS0 R0+ RXEC+G0-B0- R0+ B0+ R0-SOG0 AVS0 G0+ AHS0 BJT_B 3.3DVCC RESET_MCU RX1PRX1N RX2PRX2N RX0PRX0NRXCPRXCN DGND PANEL_VCC RTD_SCLK RTD_SCSB 3.3DVCC VBRI RTD_SD3/SDI3 RESET_MCU3 RTD_SCLK3RTD_SCSB3R0+2 G0-2 AHS02 G0+2 AVS02 SOG02 B0-2B0+2 R0-2 R1.8DVCC R1.8DVCC 3.3DVCCR3.3DVCC R3.3DVCC R3.3DVCC R3.3DVCC 3.3DVCC R1.8DVCCR3.3DVCC L9FEB/1206 C34100nF C29100nF RTD2523B( LVDS ) U2 22212324 37 252627 38 2829 31 3940 5 10 76 13 89 16 111214151718 127128126125 234 1 47465972839510860718496107 505157555453524858616263646566676869 121120 73747576777879808182 85868788899091929394 979899100101102103104105 114115118119 122123124 113112 1920 30 3332 363534 5649 106109110111 116117 70 ADC_GNDADC_VDDB0+B0- ADC_GND SOG0G0+G0- ADC_VDD R0+R0- B1+ / V6 AHS1 / V0AVS1 / VCLK TMDS_TST / PWM0 / TCON2 TMDS_GND TMDS_VDDREXT TMDS_VDD RX2PRX2N TMDS_GND RX1PRX1NRX0PRX0NRXCPRXCN XOXIDPLL_GNDDPLL_VDD APLL_VDDPLL_TEST1 / TCON0 / TCON3PLL_TEST2 / TCON1 / TCON12 APLL_GND VCCKGNDKPVCCPVCCPVCCPVCCPVCCPGNDPGNDPGNDPGNDPGND DDCSCL 1 / TCON4 DDCSDA1 / TCON9 SCLK / TCO N3 SDIO[3] / TCO N0 SDIO[2] / TCO N11 SDIO[1] / TCO N7 SDIO[0] / TCO N13 PWM1 / TCO N0 / COUT BJT_BBB3P/BBLU7BB3N/BBLU6BB2P/BBLU5BB2N/BBLU4BB1P/BBLU3BB1N/BBLU2BCLKP/BGRN7BCLKN/BGRN6BG3P/BGRN5 DDCSCL2 / VCLK / TCON4DDCSDA2 / V7 / TCON6 BG2P / TXE3+BG2N / TXE3-BG1P / TXEC+BG1N / TXEC-BR3P / TXE2+BR3N / TXE2-BR2P / TXE1+BR2N / TXE1-BR1P / TXE0+BR1N / TXE0- AB3P / TXO3+AB3N / TXO3-AB2P / TXOC+AB2N / TXOC-AB1P / TXO2+AB1N / TXO2-ACLKP / TXO1+ACLKN / TXO1-AG3P / TXO0+AG3N / TXO0- AG2PAG2NAG1PAG1NAR3PAR3NAR2PAR2NAR1P SDIO[2] / V3 / TCON5SDIO[3] / V4 / TCON9SCSB / V5 / TCON7SCLK / V6 / TCON3 TCON9 / PWM0RESET_OUT33VRST_REF SDIO[1] / V2 / TCON8SDIO[0] / V1 / TCON10 AVS0AHS0 B1- / V7 G1+ / V4G1- / V5 R1+ / V1R1- / V2SOG1 / V3 SCSB / TCON12PWM2 / TCON1/TCON7 AR1N33VPNLOUTTCON13 / COUTV0 / TCON2/PWM1 VCCKGNDK BG3N/BGRN4 RV10 +C45100uF_16V R64NC Y124MHz2 R5515K C38100nF R680R69NC/1K C46100nF R5630K C2822pF +C32 22uF_16V CN2 CF1601S 30Pin- 1.0H(Cvilux)(DIP) 1234681012141618202224262830 7911131517192123252729 5 R66100 C42100nFC43100nF Q92N39063 1 2C49100nF R1124.7K C47100nF C35100nF C30100nF +C4410uF_16V R700 R476.8KNC C39100nFC37100nF C31100nF R584.7K R61NC +C48 100uF_16V R600 C40100nF R634.7K Q82N39063 1 2 +C3610uF_16V RTD2023L U6 123456789101112 131415161718192021222324 363534333231302928272625 484746454443424140393837 XOXIPLL_GNDAVS/VCLKAHS/V0B-/V1B+/V2G-/V3G+/V4SOG/V5R-/V6R+/V7 ADC_GNDADC_VDDPWM0/SDIO[3] PWM1/DDCSCL /SCSB PWM2/DDCSDA/SCL K BJT_CTRL VCCKPGNDTXE3+TXE3-TXEC+TXEC- TXO2-TXO2+TXOC-TXOC+TXO3-TXO3+TXE0-TXE0+TXE1-TXE1+TXE2-TXE2+ PLL_VD D 33VRST_REF RESET _OUT SCLK/PW M0 SCSB/PW M1/DDCSCL SDIO[3 ]/PWM2/DDCSDAVCCKPGNDTXO0-TXO0+TXO1-TXO1+ R59NC L10FEB/1206 C2722pF L11NC/FEB/1206 R67100 R624.7K R710 C33100nF C41100nF R651K SDIO2SDIO1SDIO0 RTD_SD3/SDI ViewSonic Corporation 81Confidential - Do Not Copy VA703b-4_VA703m-4
Closed to connector Closed to con nector Closed to con nector Closed to con nector G0- DDC1_SCL BIN GIN RIN R0- R0+ VGA5V_1 CONNECT DDC1_SDA B0- B0+ DDC1_SDA CONNECT VGA5V_1 BIN DDC2_SCL DDC2_SDA DDC1_SCL G0 + GIN RIN SOG0 AHS0 AVS0 RX0P RX0N RX 1P RX1N RX 2P RX2N RXCN RXCP ADC_GND DGND ADC_GND ADC_GND DVI_POWER DDC2_SCLDVII_DETECT AVS0AHS0 B0+ DGND3.3DVCC B0- SOG0 G0- R0+ R0- DDC1_SCL DDC1_SDA DSUB_DETECT VGA5V_1 G0+ R1.8DVCC RXCN RX2N RXCP RX1P RX0P RX1NRX2P RX0N DGND R1.8DVCCR1.8DVCCR1.8DVCC D11 LL5232B 5.6V 5% R129 10 C117 100nF R19 100 RG1 1M R20 2K C21 47nF R26 0 C118 100nF D23 BAV9 93 12 R30 100 R31 0 C115 100nF D21 BAV993 12 R39 100 R24 75 C119 100nF L6 FEB_0603 R128 10 D1 BAV99 3 12 R34 100 R23 47 C120 100nF L7 FEB_0603 C112 NC/10pF R21 2K C110 100nF R40 10K 1/16W R133 10 VGA_R+ VGA_G + VGA_B + DGND VGA_R- VGA_G - VGA_B - DGND DDCSDA DDCSCL HSIN VSIN VGA5V DGND DGND U1 VGA_CON15 1 2 3 4 5 6 7 8 9 10 12 13 14 15 11 R27 100 D2BAV9 9 3 12 R18 100 D18 BAV993 12 D17 MLL5232B 5.6V D4 UDZ5.6B C12 47nFC105 100nF R28 75 D14 LL5232B 5.6V 5% D9 UDZ5.6B R134 10 R131 10 C108 100nF C20 47nF C13 22pF D3 BAV99 3 12 R132 10 C104 100nF C23 47nF C106 100nFC14 12pF C116 100nF C15 5pF L5 FEB/ 0R-0603 R130 10 D24 BAV993 12 C18 5pFR29 47 D19 BAV9 93 12 D22 BAV993 12 C19 47nF L8 FEB_0603 R32 47 D5 UDZ5.6B D8 UDZ5.6B D10UDZ5.6B R135 10 D25 BAV993 12 R25 100 C109 100nF C107 100nF C16 47nF C17 470nF R22 0 C22 5pF C25 100nF R33 75 D15 LL5232B 5.6V 5% D20 BAV9 93 12C113 100nF JP2 JACK 12 3 45 67 8 C1 C4 910 11 1213 14 15 16 C2 1718 19 2021 22 2324 C3 C5 25 26 DAT2- DAT2+ 2/4shield DAT4- DAT4+ DDC SCL DDC SDA VSYNC R HSYNC DAT1- DAT1+ 1/3shield DAT3- DAT3+ DVI+5V SYNC GND HPDG DAT0- DAT0+ 0/5shield DAT5- DAT5+ clk shield clk+clk- B RGB GND SHELL1 SHELL2C111 NC/10pF D16 LL5232B 5.6V 5% C114 100nF DDC2_SDA Model Title Date Rev: ViewSonic Corporation ViewSonic Corporation 82Confidential - Do Not Copy VA703b-4_VA703m-4
ViewSonic Corporation 83 11. PCB Layout Diagrams Confidential - Do Not Copy VA703b-4_VA703m-4
ViewSonic Corporation 84 Confidential - Do Not Copy VA703b-4_VA703m-4
ViewSonic Corporation 85 Confidential - Do Not Copy VA703b-4_VA703m-4
ViewSonic Corporation 86 Confidential - Do Not Copy VA703b-4_VA703m-4