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Service Manual

VideoWonder ProTV

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Summary of Contents for VideoWonder ProTV

Page 1: ...Service Manual VideoWonder ProTV ...

Page 2: ...Check VCC 5V 5 cCheck VCC 3 3V 6 d Check U301 VCC 3 3V 7 eCheck Y301 CLKIN signal 16MHZ 8 fCheck Y301 CLKOUT signal 16MHZ 9 gCheck U401 VCC 3 3V 10 hCheck SIF_CLK signal 11 iCheck X3 CLK 24 576MHZ 12 jCheck U2 SIF_CLKOUT signal 13 k Check X2 CLK signal 4MHZ 14 Chapter 3 Troubleshooting Guide 15 Chapter 4 Removal and Reqlacement 16 Chapter 5 Parts list 17 Chapter6 Tools 18 Page1 ...

Page 3: ...Service Manual Chapter 1 INTRODUCTION a Hardware PIII 800 MHZ or higher above 256M RAM S Video AV Audio b Software Win2000 XP above c Block Diagram Page2 ...

Page 4: ...Service Manual Chapter 2 Testing Procedures a Testing flow chart REPLACE U1 REPLACE U1 REPLACE U301 C307 REPLACE Y301 C326 Chcek VCC 5V Chcek VCC 3 3V Chcek U301 3 3V Chcek16MHZ CLKIN START Page3 ...

Page 5: ...al REPLACE U401 C524 REPLACE U401 R414 REPLACE Y301 C323 Chcek 16MHZ CLKOUT Chcek 8290 3 3V Chcek 24 576 MHZ Chcek 8290 SIF OUT REPLACE X3 C20 END Chcek 8275 CLKOUT Chcek U5 4MHZ REPLACE U5 R11 REPLACE X3 R6 Page4 ...

Page 6: ...Service Manual b Check U1Pin3 5V U1 PIN 3 Page5 ...

Page 7: ...Service Manual c Check U1 Pin2 3 3V U1 PIN 2 Page6 ...

Page 8: ...Service Manual d Check U301 VCC 3 3V C307 Page7 ...

Page 9: ...Service Manual e Check Y301 CLKIN signal 16MHZ C326 Page8 ...

Page 10: ...Service Manual f Check Check Y301 CLKOUT signal 16MHZ C323 Page9 ...

Page 11: ...Service Manual g Check U401 3 3V R414 Page10 ...

Page 12: ...Service Manual h Check U401 SIF_CLK signal C524 Page11 ...

Page 13: ...Service Manual i Check X3 signal 24 576MHZ C20 Page12 ...

Page 14: ...Service Manual j Check U2 CLK OUT signal R6 Page13 ...

Page 15: ...Service Manual k Check X2 CLK signal 4MHZ R11 Page14 ...

Page 16: ...ubleshooting Guide Problems Condition Probable Reasons Solutions 1 No Image No image 1 Component damage Change all the patrs below No voice 1 U1 2 U301 3 U401 4 Y301 5 X2 6 X3 2 No Remote No Power Remote IC Fail Change U5 Page15 ...

Page 17: ...e Connect the FM antenna and your TV antenna cable 2 AV AUDIO IN Cable Connect your composite video source and your audio input 3 SV AUDIO OUT Cable Connect your S Video source and your audio output device 4 Remote cable Connect the IR remote cable then it s ready to run the test Page16 ...

Page 18: ...ts list Description Parts number Description Parts numbe U1 FS8860 101900886000 U5 MDT2005ES 101900200500 U301 8275 102100827500 U401 8290 102100829000 Y301 16MHZ 201511600000 X2 4MHZ 201510400001 X3 24 576MHZ 201512457601 Page17 ...

Page 19: ...Service Manual Chapter 6 Tools 1 Oscilloscope 2 Soldering iron set Page18 ...

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