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#1 |
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diyAudio Member
Join Date: Jan 2005
Location: Bari
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I got a Marantz dvd 890.
It uses in its analogue audio output section a single op amp that follow a UDA1238t I' ve started changing the op amp with a lm6172, then I've replaced the two voltage in/out capacitor with better and bigger Elna Starget...and it work fine! Now for second step I've noticed that before audio output there were 4 transistor "C2878" couse I tought that they are for muting so I had simply remove them on one channel only, evrything works fine, so I decided to remove they also on the other channel, but the audio output stop to work completely! Anyone could help me? Please PS Excuse my poor english I'm italian! |
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#2 |
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diyAudio Member
Join Date: Oct 2004
Location: Israel
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Just return them.
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