Genius TVGO DVB-T02Q, Service Manual

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Service Manual TVGo DVB-T02Q
2
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. Remove screws……………………………………………………………… …….……….......5
c. Open the case……………………………………………………………………. ………….….6
d. Remove PCB from case………………………………………………………..…………….…7
Chapter 3. Testing Procedures………………………………………………………………………......8
a. Testing flow chart…………………………………………………………………………….…8
b. Check USB Power………………………………………………………………………….…..10
c. Check
System 2.5V………………………………… …………………………………….....11
d. Check System 3.3V…………………………………………………………………………….12
e. Check DVB 1.8V…………………………………………………………………………….…13
f. Check Tuner VDD 3.3V..……………………………………………………………………….14
g. Check X1 12MHz.……………….……………………………………………………………..15
h. Check X2 20.48MHz…………………………………………………………………………...17
i.
Check U2 DVB Clock&DVB Data……………………………………………………………..19
j. Check Device on the Windows Device Manage………………………………………………..21
Chapter 4. Troubleshooting Guide………………………………………………………………………23
Chapter 5. Parts list……………………………………………...………………………………………24