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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Pierre Merriaux
 
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Default [IIYAMA] vision master pro 450 A901HT

Hi,

I have a dead CRT from Iiyama but all parts are manufactured by
mitsubishi.
Symptoms : After power on, the screen light its led for 1/2 - 1 second
then turn off this led.
After a little investigation, I noticed that when I unplug a cable from
the main board (near a microcontroller) to the little board connected to the
CRT, the led stay on.

Anyone have seen this before ?

Perhaps some of you have an appropriate schematic (or service manual) for
this screen or for the same type of screen from mitsubishi.

I took some pictures : http://lerhu.free.fr/iiyama

Thanks,



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