Genius TVGo DVB-T02Q Service Manual
Hide thumbs Also See for TVGo DVB-T02Q:

Advertisement

Quick Links

Service Manual

Advertisement

Table of Contents
loading

Summary of Contents for Genius TVGo DVB-T02Q

  • Page 1 Service Manual...
  • Page 2: Table Of Contents

    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

    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. Available hard disk space...
  • Page 4: Chapter 2. Removal And Replacement

    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

    Service Manual TVGo DVB-T02Q b. Remove screws Remove screw...
  • Page 6: Open The Case

    Service Manual TVGo DVB-T02Q c. Open the case...
  • Page 7: Remove Pcb From Case

    Service Manual TVGo DVB-T02Q d. Remove PCB from case...
  • Page 8: Chapter 3. Testing Procedures

    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 Replace D4 Check U5 Pin 8 1.8V...
  • Page 9 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 Check U1 Pin 6,7 Replace U1...
  • Page 10: Check Usb Power

    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

    Service Manual TVGo DVB-T02Q c. Check 2.5V Check D4 Pin 2 2.5V...
  • Page 12: Check System 3.3V

    Service Manual TVGo DVB-T02Q d. Check System 3.3V Check L19 Pin 2 3.3V...
  • Page 13: Check Dvb 1.8V

    Service Manual TVGo DVB-T02Q e. Check DVB 1.8V Check DVB 1.8V L13 Pin 2...
  • Page 14: Check Tuner Vdd 3.3V

    Service Manual TVGo DVB-T02Q f. Check Tuner VDD Check L12 Pin 2 VDD 3.3V...
  • Page 15: Check X1 12Mhz

    Service Manual TVGo DVB-T02Q g. Check X1 12MHz Check U1 Pin 14, 12MHz Please check X1 frequency is 12MHz...
  • Page 16 Service Manual TVGo DVB-T02Q Replace X1 crystal...
  • Page 17: Check X2 20.48Mhz

    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 Service Manual TVGo DVB-T02Q Replace X2 crystal...
  • Page 19: Check U2 Dvb Clock&Dvb Data

    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 different frequency.
  • Page 20 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

    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 Service Manual TVGo DVB-T02Q Replace U1...
  • Page 23: Chapter 4. Troubleshooting Guide

    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. 2. Replace Parts. Check Device on the (U1).
  • Page 24: Chapter 5. Parts List

    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 2702048035600 LTC3406_TSOT23-5 (PWM) 2560340600000...

Table of Contents