ViewSonic Vp9303 Service Manual
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3.2. Lay Panel Unit facedown and unscrew 4 screws on its right and left sides to remove Panel Unit. Panel Unit ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 38
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ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 39 6. Troubleshooting Flow Chart START CHECK MAIN BOARD 5V OK ? 3.3V OK? 1.8VOK? CHECK POWER BOARD OK? CHECK I102, SUROUND CAP BEAD OK? N N N Y YCHECK P107 AND ROUND CAP OK? CHECK Q102 SUROUND CAP BEAD OK ?
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6.1. NO POWER POWERSTARPOWER STARNO OK OK NO END I103 TSUM66AJ OK NO Check vin+12v, Inverter(+12V) Check vcc3V3:+3.3V vcc1V8:+1.8V ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 40
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Inverter CKT StartCheck B+ +12V Check CON6 Plug:Pin6 4.1V Pin4 0~3.5V Check Q6 Q7 Q9 I103 TSUM66AJ Inverter Unit Fail Check ONBACKLITE (LOW) Power Unit Fail END END OK NO NO OK OK OK NOOK NO ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 41
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6.2. NO DISPLAY 6.3. LOSE COLOR Power key work ok Check H V sync Check R.G.B DATA CheckX101 Check I103 HS,VS HWRESET Check BACKLITE Check Keypad Check I103 Check I/O cable Check C130,C131 Check SCL,SDA Check Q104 Check 5V Check P101,P102,P10 3 Check I102,Q102 Check I102,Q102 Check SCL,SDA I104 Check P983 WIRE Check I103 Check I/O cable Check P102 Check 3.3V,1.8V Check I105 Check PANEL N N N N...
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ViewSonic Corporation Confidential - Do Not Copy VP930-3_VP930b-3 43 7. Recommended Spare Parts List Rev: 1a Serial No. Prefix:QCK Item ECR/ECN ViewSonic P/N Ref. P/N Location Universal number# 1 AC POWER CORD GERMAN WALL 1.83M A-00006133 2427130047P P951 2 I/O CABLE D15/D15 20276(3+6) 1.83M A-VC-0101-0386 2427501187P P961 3 PC BOARD ASSY SMD B-00005311 2200501400P U801 4 PCB ASSY BLOCK (MAIN) B-00008018 6201-7998907131 5 PCB ASSY BLOCK (CON)...
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ViewSonic Model Number: VS10725 Rev: 1a Serial No. Prefix: QCK Item ViewSonic P/N Ref. P/N Description Location Universal number# Qty1 C-00005327 2024272902P FRONT BEZEL GCABA2369T8F---- PS-7604B 1F01 1 2 N/A 2053756001P LED INDIC.-PWR HDECP2012TSF VP930 1F02 1 3 N/A 2044269102P FUNCTION KEY JKNBP2392T8F----PS-7604B 1F03 1 4 N/A 2051353800P NAME PLATE VIEWSONIC BIRD LOGO H:8MM 1F04 1 5 N/A 2071979700P METAL FITTG LANGF2227T8 VP930B 1F16 1 6 N/A 2071881300P BRACKET,FIX LANGF2232T8 VP930B 1F17 2 7 N/A...
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Item ViewSonic P/N Ref. P/N Description Location Universal number# Qty72 N/A 2336610513P CAP,MINI ELE 105C EC 1u/ 50V 4*7 P=2.5 T C126 1 73 E-00003865 2346710596P CAP,CHIP 85C CS 0603/Y5V/16V 1.0u Z T C127 1 74 E-C-0404-3815 2346410496P CAP,CHIP 85C CS 0603/Y5V/50V 0.1u Z T C128 1 75 E-C-0404-3815 2346410496P CAP,CHIP 85C CS 0603/Y5V/50V 0.1u Z T C129 1 76 E-C-0404-4423 2341122096P CAP,CHIP 125C CS 0603/COG/50V 22p J T C130 1 77 E-C-0404-4423 2341122096P CAP,CHIP 125C CS 0603/COG/50V 22p J T C131 1 78...
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Item ViewSonic P/N Ref. P/N Description Location Universal number# Qty148 N/A 2364505636P DIODE,ZENER SMD BZV55-B5V6 2% SOD-80C PHILIPS D108 RC 1 149 E-D-0403-1666 2364500396P DIODE,ZENER SMD RLZ5.6B 5.45-5.73V LL-34 ROHM D108 RD 1 150 E-D-0403-1779 2364503996P DIODE,ZENER SMD BZV55-C5V6 5% SOD-80C PHILIPS D109 RA 1 151 E-D-0403-2808 2364505616P DIODE,ZENER SMD TZMC5V6 SOD-80 5.2-6.0V VISHAY D109 RB 1 152 N/A 2364505636P DIODE,ZENER SMD BZV55-B5V6 2% SOD-80C PHILIPS D109 RC 1...
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Item ViewSonic P/N Ref. P/N Description Location Universal number# Qty224 E-D-0403-2808 2364505616P DIODE,ZENER SMD TZMC5V6 SOD-80 5.2-6.0V VISHAY D131 RB 1 225 N/A 2364505636P DIODE,ZENER SMD BZV55-B5V6 2% SOD-80C PHILIPS D131 RC 1 226 E-D-0403-1666 2364500396P DIODE,ZENER SMD RLZ5.6B 5.45-5.73V LL-34 ROHM D131 RD 1 227 N/A 2364600496P DIODE,SWITCH SMD MM4148 SOD-80 GRANDE D132 RA 1 228 E-D-0403-1892 2364200896P DIODE,RECT(SMD) BAS32L SOD80C PHILIPS D132 RB 1 229 E-00003534...