74
IV. L2 Troubleshooting Guide
1. Fail to power on
NO. Issue Description
Cause
Solution
1
Fail to power on
Side key FPC isn
’
t welded well
re-weld
side key FPC breaks
replace side key FPC
MB has defects
Refer to MB Service Manual
2. LCD
NO. Issue Description
Cause
Solution
1
LCD shows blank
screen/white
screen/lines
LCD FPC isn
’
t well assembled
re-assemble LCD FPC
FPC breaks
replace LCD
MB has defects
Refer to MB Service Manual
Link FPC isn
’
t well assembled
re-assemble FPC
Link FPC breaks
replace Link FPC
SW cause
re-update software
FPC connector damages
replace LCD
2
LCD has defective
appearance
LCD scratches
replace LCD
LCD is damaged
replace LCD
1.
Check if the FPC is damaged
or connects improperly
2.
Replace the side key
3.
Check and repair MB
Summary of Contents for Fossil HD B1-760
Page 1: ...1 Fossil HD B1 760 TABLET SERVICE GUIDE ...
Page 9: ...4 Tablet Tour Six View ...
Page 13: ...8 Bottom View Figure 1 4 Bottom View ...
Page 14: ...9 Left View Figure 1 5 Left View Item Description 1 SD Card Slot Used for inserting SD card 1 ...
Page 16: ...11 System Block Diagram ...
Page 31: ...26 4 3 Set parameters Password 20120405 ...
Page 42: ...37 4 14 Extend File Config ExtFile User can Select extend File by Select button ...
Page 44: ...39 ...
Page 45: ...40 ...
Page 47: ...42 ...
Page 49: ...44 5 A 3 Operation complete B File assign IMEI number others like this ...
Page 56: ...51 Select Connectivity tab choose item Wifi See Figure 2 Figure 2 ...
Page 57: ...52 Choose item Tx see Figure 3 Figure 3 ...
Page 59: ...54 Figure 5 ...
Page 66: ...61 4 Remove the main board screws 4 pcs and speaker bracket screws 2 pcs ...
Page 73: ...68 2 Tear off the conductive fabrics 2 with tweezers ...
Page 78: ...73 10 All spare parts of tablet are disassembled after the above steps ...
Page 86: ...81 CHAPTER 4 Diagnostic Tool SOP Please use Acer ADS tool ...