Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Genius VideoWonder DVB-T
Summary of Contents for Genius VideoWonder DVB-T
- Page 1 All manuals and user guides at all-guides.com Service Manual VideoWonder DVB-T...
-
Page 2: Table Of Contents
All manuals and user guides at all-guides.com Service Manual Table of Contents Video Wonder DVB-T Chapter 1. INTRODUCTION Hardware b.Software c.Block Diagram Chapter 2. Testing Procedures a.Testing flow chart b.Check VCC +5V cCheck VCC +3.3V d.Check 16MHZ CLKIN signal(X3) eCheck 16MHZ CLKOUT signal (X3) fCheck 24.576MHZ CLKIN signal(X1) gCheck 4MHZ CLKIN signal(X2) hCheck U4 +3.3V... -
Page 3: Chapter 1. Introduction
All manuals and user guides at all-guides.com Service Manual Chapter 1. INTRODUCTION a. Hardware PIII 800 MHZ or higher above 256M RAM b. Software Win2000 / XP above c. Block Diagram Page2... -
Page 4: Chapter 2. Testing Procedures
All manuals and user guides at all-guides.com Service Manual Chapter 2. Testing Procedures a. Testing flow chart START Chcek VCC REPLACE U7 Chcek VCC REPLACE U6 +3.3V Chcek 16MHZ REPLACE X3(C22) CLKIN Chcek 16MHZ REPLACE X3(C21) CLKOUT Page3... - Page 5 All manuals and user guides at all-guides.com Service Manual Chcek REPLACE X1(R21) 24.576MHZ Chcek 4MHZ REPLACE X2(R38) Chcek +3.3V REPLACE U4(C50) Chcek +3.3V REPLACE U1(C3) Chcek 3.3V REPLACE U8(C87) Page4...
-
Page 6: B.check Vcc +5V
All manuals and user guides at all-guides.com Service Manual b. Check U7Pin1 +5V U7 PIN 1 Page5... -
Page 7: Ccheck Vcc +3.3V
All manuals and user guides at all-guides.com Service Manual c. Check U6 Pin2 +3.3V U6 PIN 2 Page6... -
Page 8: D.check 16Mhz Clkin Signal(X3)
All manuals and user guides at all-guides.com Service Manual d. Check X3 CLKIN signal (16MHZ) Page7... -
Page 9: Echeck 16Mhz Clkout Signal (X3)
All manuals and user guides at all-guides.com Service Manual e. Check 16M CLKOUT signal(16MHZ) Page8... -
Page 10: Fcheck 24.576Mhz Clkin Signal(X1)
All manuals and user guides at all-guides.com Service Manual f.Check X1 CLKIN signal(24.576MHZ) Page9... -
Page 11: Gcheck 4Mhz Clkin Signal(X2)
All manuals and user guides at all-guides.com Service Manual g.Check X2CLKIN signal(4MHZ) Page10... -
Page 12: Hcheck U4 +3.3V
All manuals and user guides at all-guides.com Service Manual h.Check U4 +3.3V Page11... -
Page 13: Icheck U1 +3.3V
All manuals and user guides at all-guides.com Service Manual i.Check U1 +3.3V Page12... -
Page 14: Jcheck U8 +5V
All manuals and user guides at all-guides.com Service Manual j.Check U8 +5V Page13... -
Page 15: Chapter3. Troubleshooting Guide
All manuals and user guides at all-guides.com Service Manual Chapter3. Troubleshooting Guide Probable Problems Condition Reasons Solutions 1.Component Change all the patrs 1.No Image No image damage below No voice 1.U1 7.X3 2.U4 3.U6 4.U7 5.X1 6.X2 2.No Remote No Power Remote IC Fail Change U8 Page14... -
Page 16: Chapter 4. Removal And Reqlacement
All manuals and user guides at all-guides.com Service Manual Chapter 4. Removal and Replacement Step Description Pictuer 1. finished products TV card diagram ( before plug in any video cable ) 2. TV Cable Plug in the TV cable , first. 3. -
Page 17: Chapter 5. Parts List
All manuals and user guides at all-guides.com Service Manual Chapter 5. Parts list Description Parts number Description Parts numbe U1(8274) 102100827400 201512457601 X1(24.576MHZ) U4(7134) 102100713400 X2(4MHZ) 201510400001 U6(FS8860) 101900886000 X3(16MHZ) 201511600000 U7(FS8860) 101900886000 101900200500 U8(MDT2005ES) Page16... -
Page 18: Tools
All manuals and user guides at all-guides.com Service Manual Chapter 6. Tools 1. Oscilloscope 2. Soldering-iron set Page17...
Need help?
Do you have a question about the VideoWonder DVB-T and is the answer not in the manual?
Questions and answers