Table of Contents
Advertisement
Checking Flow
U402-PLCD1_CS , Low or
Start
Are the Voltage of U401
2V8(TP1) & 1V8 (TP2)OK ?
YES
Is the U402 PDCLK(TP3)
26Mhz ?
YES
Check the J401 , is it
soldered OK ?
YES
Check the waveform of
High ?
High
Finish
NO
Re-solder the U401 or
Change the U401
NO
NO
Replace the J401
NO
Low
77
Re-solder the U402 or
Change the U402
Check LCM OK ?
Replace the LCM
Advertisement
Table of Contents
