Joseph Zhao: As previously suggested, check the electrolytics in the PS with an ESR meter or just replace them all, check the bridge and check for open low ohm resistors, shorted diodes, open ICPs, etc. If you are not certain how to proceed and do not have the necessary equipment, parts, experience, knowledge, etc take it to a tech. -- Best Regards, Daniel Sofie Electronics Supply & Repair - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Solution #3
posted on Aug 02, 2007
Janice - usenet poster
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Joseph Zhao: The reply from Patch is probably correct in two regards possibly high ESR electrolytics in the PS and this is not something an amateur can fix without some basic knowledge, experience and test equipment which apparently is absent after looking at your original post and 2nd post which lacks technical detail and pertinent troubleshooting results ... BUT for this thread to go an further with the desired results of pertinent and helpful troubleshooting and repair suggestions you really do need to post the MODEL NUMBER. I am certain that it is obvious to you that over the years Emerson has built a lot of different models of VCRs and most of them have differing circuitry and components. Always post the model number always. -- Best Regards, Daniel Sofie Electronics Supply & Repair - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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Solution #4
posted on Aug 02, 2007
Janice - usenet poster
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Thanks.
I measured across both electrical plug, they are open, which is not correct. So I followed further and measured the primary coil of xformer, it is open. I believe the xformer is bad. Any suggestion? The xformer has "SA001 9" on it. What is the output voltage? 9V?? Thanks.
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Solution #5
posted on Aug 02, 2007
Rogers - usenet poster
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...
Probably an electrolytic in the power supply with a high ERS reading. Not something an amateur could fix unless you had the test equipment & knowledge to troubleshoot it.
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