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HP D8901A (SONY 98751) 17" CRT monitor problem

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dipsi111

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hp d8901a

Hello!

I have a problem with mentioned monitor. It doesn't power up. When you push the on/off switch, the LED become green for 2 seconds, and then it turn off. After that the monitor is death. I've checked the fuse all the power transistors (FET and BJT) and replaced one (BU2520DX), switching diodes, main condensator (220uF/400V), heating of the CRT .... Without any resoult. Now I dont have any idea what to check any more.

Can you give me some advice or anyone have service manual for this monitor?
 

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