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I was very skeptical of this website, I have never downloaded manuals before. I put it on the AMEX and payed through Paypal to ensure protection. I got the manual exactly as described and now I can replace the filter capacitor for this amp. Great Price, others selling for 12.99 or more and this is the same manual. I will search out this website for other manuals. Thank you
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Manual was reasonably easy to follow. I am not an engineer or know much about electronics but with the manuals help I was able to figure out the problem, identify the part required for the repair. Replacement part cost around $30. Whilst replacing the part I was telling myself, "this aint gonna work cos it seems far too easy". Took about 15 minutes to do and my plasma TV works a treat. Would never have been able to do this without the service manual.
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It is OK, this manual help me to repair my dynacord
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Good manual. Even it is an old printed manual, it is well scanned and complete, with all drawings, schematics and parts list. Very good return for the cost.
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I'm very satisfied with my purchase. It resolved my problem. Owner-manuals.com is a very very good place.
Thank you!
3-3. SERVO SYSCON CIRCUIT B. A.
Playback picture is not good. YES Noise appears on the screen on the whole. YES Are SW pulse and HA SW applied to PreAmp circuit? NO Noise appears although change cassette tape. YES Check and re-adjust the Path of Deck. YES Is Enve.wavefrom supplied to pin 4 of PT01 YES NO NO Check D.PG input and connector between deck and main PCB. Noise shakes up and down on the screen. YES NO Check pattern NO Check flow A Playback picture is not good. YES
Noise appears although adjusting tracking. YES
Is SW pulse obtained from pin 16 of IC601?
YES
Is CTL pulse applied to pin 73 of IC601.
NO
CTL HEAD height is normal and there is not dust.
NO
Adjust the HEAD height and remove dust.
Check video circuit.
Check connector, Head Amp and Head dust.
NO
Change head
C.
YES YES Check circuit adjacent to IC601. Auto stop during playback. YES Check R668, R669 C508, C509. Is Reel pulse applied to pin 5 and 6 of IC601? YES The voltage of pin 91 of IC601 is not changed. YES NO Check R518 and C511. Is D.FG applied to pin 67 of IC601 YES NO Check connector and D.FG circuits. NO Check reel sensor.
Is CTL pulse input to pin 71 and 72 of IC601
NO
YES
Check IC601
Check IC601.
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