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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" wrote in message
... 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 Incidentally, on a slightly different note, if any of you have a Vision Master Pro 510 (A201HT) that powers on but gives no picture, replace the 2SC5570 (Q503 I think it is) and the fusible resistor R561. Worked fine for me, I'm now enjoying 20" of flat screened loveliness ![]() Hellraiser............ |
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