Service Manual TVGo DVB-T02Q
23
Chapter 4. Troubleshooting Guide
Problems Condition
Probable
Reasons
Solutions
1.Can not Play AP
1.Can not Play AP
1.
Check USB Cable
connect to PC between
TVGo DVB-T02Q.
2.
Check Device on the
Windows Device
Manager.
1. Connect
USB
cable.
2. Replace
Parts.
(U1).
2.Power LED no light 1.No light
1. No install driver and AP.
2. LED Parts fault.
1. Install
driver
and
AP
2. Replace LED Parts
(LED2).
3.No TV image
1.Display fail
1. No scan channel.
2. No signal or no connect
antenna.
3. LNA
parts
fault
4. Tuner parts fault.
1. Scan
channel.
2. Check
Nation/Area
and bandwidth on
the Setting. Connect
antenna and select
correct channel.
3. First
,Replace
the
LNA Part s(U3) ,If
maintain the fail
condition,execute
the next step
4.Second, ,Replace
Tuner Parts (U4)
4.Remote controller
no function
1.can not select anything
1. Remote controller no
battery or low battery.
2. IRM
parts
fault.
3. Remote
controller
parts
fail.
1. Replace
remote
controller battery.
2. Replace
Parts
(IRM1)
3. Replace
remote
controller parts.
Summary of Contents for TVGO DVB-T02Q
Page 1: ...Service Manual ...
Page 5: ...Service Manual TVGo DVB T02Q 5 b Remove screws Remove screw ...
Page 6: ...Service Manual TVGo DVB T02Q 6 c Open the case ...
Page 7: ...Service Manual TVGo DVB T02Q 7 d Remove PCB from case ...
Page 10: ...Service Manual TVGo DVB T02Q 10 b Check USB Power Check USB Power 4 5 5 5V CN2 Pin 1 ...
Page 11: ...Service Manual TVGo DVB T02Q 11 c Check 2 5V Check D4 Pin 2 2 5V ...
Page 12: ...Service Manual TVGo DVB T02Q 12 d Check System 3 3V Check L19 Pin 2 3 3V ...
Page 13: ...Service Manual TVGo DVB T02Q 13 e Check DVB 1 8V Check DVB 1 8V L13 Pin 2 ...
Page 14: ...Service Manual TVGo DVB T02Q 14 f Check Tuner VDD Check L12 Pin 2 VDD 3 3V ...
Page 16: ...Service Manual TVGo DVB T02Q 16 Replace X1 crystal ...
Page 18: ...Service Manual TVGo DVB T02Q 18 Replace X2 crystal ...
