Manuals / ViewSonic / TV and Video / Flat Panel Television

ViewSonic VSXXXXX R718, 061G0402104, RST CHIPR 100 KOHM +-5% 1/16W, R719, R720, R724, 061G0402105

Models: VSXXXXX

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R718	061G0402104		RST CHIPR 100 KOHM +-5% 1/16W

R719	061G0402104		RST CHIPR 100 KOHM +-5% 1/16W

R720	061G0402104		RST CHIPR 100 KOHM +-5% 1/16W

R724	061G0402105		RST CHIPR 1MOHM +-5% 1/16W

R709	061G0402153		RST CHIP 15K 1/16W 5%

R726	061G0402153		RST CHIP 15K 1/16W 5%

R721	061G0603120 2F		RST CHIPR 12 KOHM +-1% 1/10W

R750	061G0603360 1F		RST CHIPR 3.6K OHM +-1% 1/10W

C706	065G0402103 12		CAP CHIP 0402 10N 16V X7R

C705	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C707	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C709	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C710	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C711	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C712	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C714	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C717	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C718	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C724	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C747	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C748	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C703	065G0402104 15		MLCC 0402 0.1UF K 16V X5R

C713	065G0402270 31		0402 27PF J 50V NPO

C708	065G0402270 31		0402 27PF J 50V NPO

C720	065G0603105 12		CHIP 1UF 16VX7R 0603

C701	065G0603105 12		CHIP 1UF 16VX7R 0603

C719	065G0805475 A5		0805 4.7UF +-10% 10V X5R

C715	065G0805475 A5		0805 4.7UF +-10% 10V X5R

C745	065G1206106 05		CHIP 10UF/6.3V X5R

FB706	071G 56K121		CHIP BEAD

FB702	071G 56K121		CHIP BEAD

FB701	071G 56K121		CHIP BEAD

ZD706	093G	64 49 SU	DIODE ESD EGA 10603V05A1-B INPAQ

ZD705	093G	64 49 SU	DIODE ESD EGA 10603V05A1-B INPAQ

ZD702	093G	64 49 SU	DIODE ESD EGA 10603V05A1-B INPAQ

ZD701	093G	64 49 SU	DIODE ESD EGA 10603V05A1-B INPAQ

ZD703	093G	64 49 SU	DIODE ESD EGA 10603V05A1-B INPAQ

ZD704	093G	64 49 SU	DIODE ESD EGA 10603V05A1-B INPAQ

	715G2829 1		USB BOARD PCB

R752	061G1206000		RST CHIP MAX 0R05 1/4W

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ViewSonic VSXXXXX R718, 061G0402104, RST CHIPR 100 KOHM +-5% 1/16W, R719, R720, R724, 061G0402105, R709, 061G0402153, R726

Contents

Service Manual Model No. VSXXXXX 23.6” Color TFT LCD DisplayViewSonic VG2427wm VG2427wmSM Rev. 1a MarCopyright Revision HistoryDisclaimer TrademarksTABLE OF CONTENTS 1. Precautions and Safety Notices 1. Precautions and Safety NoticesIncorrect Methods 1.4 Handing and Placing MethodsCorrect Methods The panel is placed facedown on the lap. That may cause “Mura.” Place the monitor on a clean and soft foam padPlace the monitor on the lap, the panel surface must be upwards 2. Specification 3. Front Panel Function Control Description The following tips may help you optimize your display Do the following to adjust the display settingControl Explanation Audio AdjustMain Menu Controls Manual Image Adjust displays the Manual Image Adjust menu Page 4.1 Main Board 4. Circuit DescriptionPin Assignment Page Page Page Page Name Pin DescriptionsPin # FunctionTypical Application 4.2 Power BoardIC901 LD7576 Function Block Diagram1 CT 2 COMP 3 CS 4 GND 5 OUT 6 VCC 7 NC 8 HV IC801 TA9687GN Pin DiagramFunctional Block Diagram Pin No Pin DescriptionI/O1 Names5.1 White balance, Luminance adjustment 5. Adjustment ProcedureEnter into Burn/in mode Enter into the factory modeISP Board 5.2 Firmware Upgrade ProcedureMax Brightness measurement 250 cd/m2 Test conditions 5.2.1 Equipment neededLPT Cable Hardware Connect status 5.2.2 Update the NOVATEK’S firmwareVGA Cable You should jump the pin to “For Flash” at ISP Board Connect to theDouble click “Writer.exe” Page 5.3.2 Install software 5.3 DDC Key in Procedure5.3.3 Connect the DDC board as follow Connect to the PC LPTa. Double-click ，appear as follow Figs： b. Click For analogd. Unit appears the following Fig, writer completed R3V080100001 12 codes, for example6. Troubleshooting Flow Chart 7.1 Main Board 7. Block Diagram7.2 Power Board 20081225 8. Schematic Diagrams8.1 Main Board FB402 TO252 Volume#SOT223 ADD R711NT68667UFG/C 0402ADD R446,447 20K OHM 1/16WJUMP WIRE 8.2 Power Boardbom change 2008-08-20100K 1/10W 1% POWER XFMR7R813 100K 1/10W 5%IC with Heat-sink90G6295-3 VOLUME4 Lin 2 RinPOWER KEY1 POWER3 POWER 4 BLUE 5 YELLOW KEY2 DOWN12V to Hub sideUpstream Dow nstream9.1 Main Board 9. PCB Layout DiagramsPage 9.2 Power Board Page 9.3 Key Board 9.3 USB Board Page 10.1 EPL 10. Exploded Diagram and Exploded Parts ListBEZEL DescriptionPart Number Part Number 10.2 PPLDescription TDRMNDDKWBVSPC 11. Recommended Spare Parts ListLocation Part NumberREAR COVER A34G0936 KR 3B0100A85G0133101 SHIELD-AC061G0402101 R105RST CHIPR 100 OHM +-5% 1/16W R109061G0402470 0F R401RST CHIPR 0402 470 OHM +-1% 1/16W R110065G0402224 C302CAP CER 0.22UF -20%-80% C401POWER BOARD DOME SWITCH 5PCSZD401 093G033G8021 2E CN801WAFER IC9038120 0M1GSCREW Q90G6263061G0603105 R840RST CHIPR 1M OHM +-5% 1/10W R841061G1206101 R935RST CHIPR OHM +-5% 1/4WJUMPER WIRE POWER BOARD PCBC929 065G1206102Q37G0139013 CONNECTORVSC 23.6 HINGE ASSY Q40G 58170931A061G0402104 R718RST CHIPR 100 KOHM +-5% 1/16W R719Diversity of TDRMNDDYWBVSPC compared with TDRMNDDKWBVSPC 12. Different Parts ListLocation Part NumberReader’s Response AssessmentReader’s basic dada