Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Aslaner
 
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Default Help with CPD-300SF monitor does not detect sync from cable?

I have this monitor, it must be a common problem.
It powers up, high voltage starts up, if I don't hook it up to a computer,
it shuts the high voltage and the front LED goes from green to amber
flashing. which is normal but when I hook up the cable it doesn't look like
it detects it?
The hight volatge does not start up again or the LED does not go green.
I suspect a component is faulty on the board at the neck of the picture tube
as the video cable goes there only.

Could it be that it has a video cable with different pinout (HD-15 type) ?


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Aslaner
 
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Found the problem
Upon disassembly, I found an area where there was a lot of overheating.
I found that 2 capacitors were badly overheated, C415 and C413 (101K,2KVA
rating ).
I changed them and the unit now had the high voltage startup but no more
flashing yellow which after downlaoding the Operating manual meant that was
a problem with it.


Hope this helps someone else with a similar problem.

"Aslaner" wrote in message
...
I have this monitor, it must be a common problem.
It powers up, high voltage starts up, if I don't hook it up to a computer,
it shuts the high voltage and the front LED goes from green to amber
flashing. which is normal but when I hook up the cable it doesn't look
like it detects it?
The hight volatge does not start up again or the LED does not go green.
I suspect a component is faulty on the board at the neck of the picture
tube as the video cable goes there only.

Could it be that it has a video cable with different pinout (HD-15 type)
?



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