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Re: HP 53310A POST errors


 

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Hello,

now I am awake again.


IMHO; the next test we must do is to check if the CPU card is farting out a video waveform. If you see the "marching ants pattern" on the LEDs of the card, it is very likely that at least the CPU is alive.


Tam

On 2019. 04. 19. 7:17, Jack2015 wrote:
After power on,all 8 leds were on for less than one second,then 6,then 4,then all leds were off (completed power on self test)
after a little while the leds flashed one after one in sequence.(each time only one led was on).

I kept front panel faced up and powered it on for couple minutes,then?powered it off and on again
while holding one button,for couple times,but nothing changed.

Jack
-- 
With best regards
Tam HANNA 

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