L1
Service
Manual
TCL
Communication Ltd.
Rev.
ONE TOUCH 8070 Level 1 Service Manual
Page
1.0
18/22
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MIC Test
I.
“Start Record, speak into tablet more loudly” according to instructions ;
II. Press
“STOP AND START PLAY”, and you hear the talk;
III. Press
”Pass” to continue;
Back Camera Test
I.
You will see the LCD displays the picture that back camera catch if it functions well;
II. Press
”Pass” to continue;
Gsensor Test
I.
Makes the tablet all direction indicated by instructions and it will say
“All direction
checked
”;
II. Press
”Pass” to continue;
Front Camera Test
I.
You will see the LCD displays the picture that front camera catch if it functions well;
II. Press
”Pass” to continue;
OTG Test
I.
Insert the OTG cable and USB Disk, and you see the LCD display green color ;
II. Press
”Pass” to continue;
3. Replace the handset parts
3.1. Preliminary
Before any disassembly (except the antenna), the back cover, battery and SD card must be removed
