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pardeep
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« on: June 25, 2008, 07:40:50 » |
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RESPECTED FRIENDS-IN PANASONIC VCR SD 25 DISTURBING AND HUM IN AUDIO DURING PLAYBACK. NO CHANGE AFTER AUDIO HEAD AND AUDIO HEAD FLAP REPLACEING. ANY IDEA ?
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BE HAPPY DONT WORRY
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drsureliya
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« Reply #1 on: June 25, 2008, 11:00:07 » |
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hi, pardeep
look for dry low value capaciters & replace
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TAMMU
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« Reply #2 on: June 25, 2008, 19:54:03 » |
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Pardeep, have you replaced the A/C head strip with original strip? It has got shielded strip and needs the same .
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nathaniel630
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« Reply #3 on: June 25, 2008, 22:21:55 » |
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hi trusted friend...
describe sound disturbance..
go loud as vol. increases?
motor boating?hizzing?cracking?flickering?
(rem. some audio irtermittent /disturbance problem is coz by supply voltage)
is video out good?
try record...then playback to other known good VCR..observe sound...
if good....check output stage...
just to see wethere the problem lies after the audio head...
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« Last Edit: June 25, 2008, 22:33:24 by nathaniel630 »
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