I heve this problem in one 4500i and one 5501 machines. Machine looks like is turned on but screen looks like dead. I know it is a PWB problem (if there is any other idea please tell me|) . Can i replace PWB with one from other machine?
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Re: screen is blank
see attachment
You can use components from other system, but take care for the FW versions on operation panel and main pwb
Startup from the systems after assembling from pwbs with FW upgrade needed!
I would start with memory dimms --> no upgrade needed during start up (Alphard series)
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