Re: Sony (Sun) GDM20E20 Monitor - flashing standby but done boardswap

From: System Alchemist (dotter_at_nospam_btconnect.com)
Date: 12/05/04 

Date: Sun, 05 Dec 2004 23:27:08 +0000

CJT wrote:
> System Alchemist wrote:
>
>> Sony (Sun) GDM20E20 Monitor - flashing standby (1Hz 50% duty)
>> which I think means B+ problem.
>>
>> However I have swapped all the boards (A, D and G)from a good
>> monitor into the duffo one and still get the same result.
>>
>> This leaves the tube and the neck gubbins which is all soldered
>> and glued in place.
>>
>> I don't have any schematics etc for this monitor (do you?!) or
>> any experience of repairing monitors.
>>
>> Any ideas where to look with this one?
>>
>> ---Paul
>>
> If it's gone into protection mode, perhaps the CRT is drawing too much
> current.
>
> I doubt it's worth fixing, especially considering the price of working
> used ones.

I am happy to invest my time to avoid creating landfill prematurely if
this is fixable. The previous user found that a strategic nudge would
bring it to life but since transporting the monitor this no longer has
the desired effect. The monitor did work for about a week when I got
it.
---Paul

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