Telpo TPS900 - Table of Contents

TPS900 repair user guided V1.0
1
Contents
1. Disassemble the device ............................................................................................................. 2
2. Base checking method .............................................................................................................. 3
3. Maintenance cases ........................................................................................................................ 4
3.1. CAN NOT POWER ON .............................................................................................................. 4
3.2 Can not access Android system ........................................................................................... 4
3.3 Turn off after loosen the power on key ............................................................................... 5
3.4 LCD display color changes appear obvious ladder .............................................................. 5
3.5 Do not detected SIM CARD ................................................................................................. 5
3.6. Do not detected the wireless module ................................................................................ 6
3.7 Can not shown the wireless signal ...................................................................................... 6
3.8 Wireless data connection not work .................................................................................... 7
3.9 Camera does not open ........................................................................................................ 8
3.10 NFC can not open .............................................................................................................. 9
3.11 Touch screen not work .................................................................................................... 10
3.12 Can not charge battery .................................................................................................... 11
3.13 WIFI not working ............................................................................................................. 12
3.14 Print issue ........................................................................................................................ 12
3.15 Speaker issue ................................................................................................................... 14