Genius TVGO DVB-T02Q Service Manual
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Genius TVGO DVB-T02Q Service Manual

Portable hdtv dvb-t tv box
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Summary of Contents for Genius TVGO DVB-T02Q

  • Page 1 All manuals and user guides at all-guides.com Service Manual...

  • Page 2: Table Of Contents

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q TVGo DVB-T02Q Version: 1.0 Contents TVGo DVB-T02Q Chapter 1. INTRODUCTION…………………………………………………………………….……3 a. Hardware b. Operating System c. Available hard disk space d. Block Diagram Chapter 2. Removal and Replacement……………………………………………………..…………..4 a. Remove label protector on .the reverse side………………………………..…………..……...4 b.

  • Page 3: Chapter 1. Introduction

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Chapter 1. INTRODUCTION a. Hardware PC Pentium 4 2.0GHz above ※The real performance is based on CPU performance Connection port : USB2.0 b. Operating System Microsoft Windows 2000 SP4 or Windows XP SP1/SP2 c.

  • Page 4: Chapter 2. Removal And Replacement

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Chapter 2. Removal and Replacement a. Remove label protector on the reverse side Remove label protector...

  • Page 5: Remove Screws

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q b. Remove screws Remove screw...

  • Page 6: Open The Case

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q c. Open the case...

  • Page 7: Remove Pcb From Case

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q d. Remove PCB from case...

  • Page 8: Chapter 3. Testing Procedures

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Chapter 3. Testing Procedures a. Testing flow chart START Check USB Power 4.5~5.5V CN2 Check PC USB Port Pin 1 Check U10 Pin 3 System 3.3V Replace U10 Check D4 Pin2 2.5V...
  • Page 9 All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Check X1 Pin 1 12MHz Replace X1 Check X2 Pin 1 20.48MHz Replace X2 Check U2 Pin 61 DVB Clock Replace U2 Check U2 Pin 49 DVB Data Replace U2...

  • Page 10: Check Usb Power

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q b. Check USB Power Check USB Power 4.5~5.5V CN2 Pin 1...

  • Page 11: Check System 2.5V

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q c. Check 2.5V Check D4 Pin 2 2.5V...

  • Page 12: Check System 3.3V

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q d. Check System 3.3V Check L19 Pin 2 3.3V...

  • Page 13: Check Dvb 1.8V

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q e. Check DVB 1.8V Check DVB 1.8V L13 Pin 2...

  • Page 14: Check Tuner Vdd 3.3V

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q f. Check Tuner VDD Check L12 Pin 2 VDD 3.3V...

  • Page 15: Check X1 12Mhz

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q g. Check X1 12MHz Check U1 Pin 14, 12MHz Please check X1 frequency is 12MHz...
  • Page 16 All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Replace X1 crystal...

  • Page 17: Check X2 20.48Mhz

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q h. Check X2 20.4MHz Check U2 Pin 23 20.4MHz Please check X2 frequency is 20.4MHz...
  • Page 18 All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Replace X2 crystal...

  • Page 19: Check U2 Dvb Clock&Dvb Data

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q i. Check U2 DVB Clock & DVB Data Check U2 Pin49 DVB Data Check U2 Pin61 DVB Clock Check Pin61 DVB Clock frequency must < 60MHz. NOTE: Different country, The DVB clock will get...
  • Page 20 All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Check DVB Data Note:if the level of the wave is always low or high,it is to represent a fault of the function. Replace U2 (MT352)

  • Page 21: Check Device On The Windows Device Manage

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q j. Check Device on the Windows Device Manage Check Device on the Windows Device Manager,If not found Please replace U1...
  • Page 22 All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Replace U1...

  • Page 23: Chapter 4. Troubleshooting Guide

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Chapter 4. Troubleshooting Guide Problems Condition Probable Reasons Solutions 1.Can not Play AP 1.Can not Play AP Check USB Cable 1. Connect USB connect to PC between cable. TVGo DVB-T02Q.

  • Page 24: Chapter 5. Parts List

    All manuals and user guides at all-guides.com Service Manual TVGo DVB-T02Q Chapter 5. Parts list Location Number Description Part Number M9206 (controller) 2510920600000 MT352 (demoulator) 2540035200001 BGA622(low noise amplifier) 2550062200001 MT2060 (tuner) 2580206000001 AIC1550PO_MSOP8 (PWM) 2560155000000 12MHZ 5x3.2 crystal 2701200035600 20.48MHZ 5x3.2 crystal...

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