820-2879

[Justrepairs Ltd]

Hi

iv have 820-2879 no chime

checked u7600
voltage in 5v en 3.4v Pgood 3.4v
R7601 check that there is 5v 301 oms

checked spi chip looks all good measures all spi points all good.

any advise

thanks in advance

 

[Justrepairs Ltd]

PP1V05_s0 present

 

[2informaticos]

Do you get voltage on all big coils, including CPU?
If not, check ALL_SYS_PWRGD level.

Try known good PC-8500 RAM module; each slot one by one.

 

[Justrepairs Ltd]

Hi all above is checked and is good just need check with Pc-8500 ram the same what result I get.