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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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m1823 apple multiple scan 20 diagnosis and repair info
Hello, I have two m1823 20" monitors, very sturdily built that I have
been using past few years. One has had minor display problems with inward arced lines on the sides and dimness and these improved when I smacked it on the side. Thinking it was a poor connection problem I took it outside yesterday and blew all of the dust out of it (it was coated everywhere.) and re-seated most of the connections. That fixed those arcs and the dimness problem and for a day it was perfect and bright. Then suddenly 'click' and the picture was gone, the power and standby lights are flashing and the rightmost light of the 5 on the left is on. When I push the power button again (without cycling power to the monitor), it might work for a minute or two, then 'click' off again this time with the center light of the five being lit & the two power lights flashing. I can hear the HV powering up usually. (static) When I cycle power to the monitor it repeats what I described. What do each of the 5 indicator lights mean when it's in error mode? Does anyone have the MAC software for downloading the presets off of the eeprom? What might be common failure parts for this model? Any schematic out there? Thanks. Andrew |