dell AIVP1/AIVP2 LA-C771P no power

[bigbily09]

i have a dell AIVP1/AIVP2 LA-C771P the problem is no power no led lights
after some diagnosing i find out that there is no 1.05valw
and i find out that the UQ3 pin 1 and pin 8 is zero resistance to ground
also pj501 is 0 ohms to ground

please help me find the fault

here some reading
pu301
pin1 3.2v
pin2 3.2v
pin3 0
pin4 0
pin5 0
pin6 3.2
pin7 4.5v
pin8 20v
pin9 gnd
pin10 0v


0v - pl 201
20v - pl301
0v - pl302
20v - pl303
5v - pl304
20v - pl401
0v - pl402
0v - pl702
0v - pl703

[Sephir0th]

Re: dell AIVP1/AIVP2 LA-C771P no power

You could Open PJ501 and Look on which Side the short is.

[bigbily09]

Re: dell AIVP1/AIVP2 LA-C771P no power

You could Open PJ501 and Look on which Side the short is.

after removing the short on pj501 the resistance to ground of 1.05valw is zero and the 1.05valwp is not shorted to ground

what do you think is the problem?

[bigbily09]

Re: dell AIVP1/AIVP2 LA-C771P no power

Up pls help

[mcplslg123]

Re: dell AIVP1/AIVP2 LA-C771P no power

Do you have dc bench supply??