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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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jvc SR-L900E TIME LAPSE vcr jagged verticals
Machine came in dead, no ouput from power supply, replaced c11 which
brought it back to life. Now it functions but at regular intervals there is tearing in from the right, and especially on the verticals in the picture. I also think the pic seems slightly darker and colour-laden than it ought to be. I replaced the other psu secondary caps - no effect. I have no schematic. Any ideas? I don't feel this is a mechanical problem - tape tension adjustments seem to have no effect. I have repaired a few JVC s which had only half a picture and snow by replacing the 3.3 drum motor cap -could this be another different symptom of this infamous problem? thanks for any tips Ben |
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"John" wrote in message ...
Try warming electrolytic capacitors up with a hair dryer until the fault clears then locate the precise component with a tin of freezer. JVC VCR's seem to respond very well to this method of fault finding especially the ones with Green or Red capacitors. Good luck John. thanks for the suggestion John -B. |
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