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Daewoo DF-4700PN DVD/VCR for parts
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<blockquote data-quote="Vipersan" data-source="post: 964070" data-attributes="member: 325666"><p>Hi CH ..</p><p>There are 2 faults on this unit ..</p><p>No sound at all in EE mode ...nor from VHS or DVD ...this is definately down to a problem in the Audio switching cctry ..A to D ..or D to A..</p><p>I believe the relevant chips are on the DVD servo board ..</p><p>There is also an intermittent DVD servo problem ..so although I have a good optical pickup ...I was hoping to swap out the whole DVD unit ...after grafting in a good laser if need be ..therefore (hopefully) curing both problems..</p><p>Which is one of the reasons I need to get as close to the original model as possible.</p><p>Actual component level repair of this pcb is at best difficult ...and with the lack of relevant schematic leaves me working blind.</p><p>Not that I got to try this but the owner says ...a dvd recording from VHS is possible ...but results in picture only ..</p><p>no audio is recorded at all ...which given what I have said already makes perfect sense..</p><p>rgds</p><p>Evan</p></blockquote><p></p>
[QUOTE="Vipersan, post: 964070, member: 325666"] Hi CH .. There are 2 faults on this unit .. No sound at all in EE mode ...nor from VHS or DVD ...this is definately down to a problem in the Audio switching cctry ..A to D ..or D to A.. I believe the relevant chips are on the DVD servo board .. There is also an intermittent DVD servo problem ..so although I have a good optical pickup ...I was hoping to swap out the whole DVD unit ...after grafting in a good laser if need be ..therefore (hopefully) curing both problems.. Which is one of the reasons I need to get as close to the original model as possible. Actual component level repair of this pcb is at best difficult ...and with the lack of relevant schematic leaves me working blind. Not that I got to try this but the owner says ...a dvd recording from VHS is possible ...but results in picture only .. no audio is recorded at all ...which given what I have said already makes perfect sense.. rgds Evan [/QUOTE]
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Daewoo DF-4700PN DVD/VCR for parts
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