820-4924 = doesn't start, no post, no chime, 105mA

djdblaster

New member
Board is clean and no previous work has been done. DCPS pulls 105mA.

These are missing rails:
PP1V2_S3_CPUDDR
PP1V2_S3
PP0V6_S0_DDRVTT
PPVTTDDR_S3

On U7400, EN pins are present as well as V5IN.
 

2informaticos

Administrator
Staff member
Inspect traces, solders and resistors around U7400.
Be sure R/C7425 are good.
If all OK, change U7400; maybe need to change Q7430 too.
 

djdblaster

New member
All around U7400 was good. Checked traces and solder. Ended up changing U7400 and it works!
Milion thanks 2informaticos!
 
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