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I'm very satisfied with your manual service. Your website made it easy to locate the correct manual. Also the quality is great and I never had a problem reading the fine details.
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Good quality service manual German user manual. German user manual This is a quality scan of a manual in excellent condition and is just as good as having the original manual in hand
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The manual for Sony LBT-D505 component stereo system is was excellent , with schematics, parts layout and parts list as well as instructions for adjustments for each component. Print was clear even when enlarged.
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It's exactly a complete and very useful manual with all details what I needed. Thank you!I will come back whenever I need your manuals or schematics.
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I searched EVERYWHERE looking for the manual/s on this "extinct" amp. Owner-Manuals.com made it available and for nearly nothing. Thanx to them, I can decipher the unknown cables and sort them out. Thanx, Owner-Manuals.com!!
NO.12 FLOW CHART NO.14
The drum motor fails to run. No head switching pulse.
VC-A410U(B)/H810U(B) VC-A411U/H811U VC-A420U/H820U
Is the voltage more than about 2.6V NO DC given out pin(46) of IC701.
See FLOW CHART NO.13,14.
Check IC701. Is the drum motor rotating?
YES YES
Check PC 5V line. signal present on pins(66) and (65)
YES YES NO
Is the PG signal and drum FG Is the supply voltage of 5V feed to NO Are there drum PG M.M.signal at pin(3) IC706? pin(87) of IC701? of IC701, respectively? Check C753 and readjust R701. Check between pin(30) of IC701
YES
Is the voltage more than about 2.6V NO and all the way up to pin(2) of (HEAD SW. POINT control.) applied at pin(2) of IC706? IC706.
YES Replace IC701.
Is the supply voltage of feed to Check AT 12V line. pin(21) of IC706? Are the PG and drum FG YES
Could be lines between IC706
NO
NO
YES and IC701.
signals present on pins(7) and (8) of IC706? Check peripheral circuit of IC706.
Check or replace drum motor.
FLOW CHART NO.13
42
Replace IC706.
NO
The drum motor runs only for a few seconds.
Is drum PG signal given out NO Check pin(4), (5), (6) of IC706 and pin(7) of IC706? periperal circuits.
YES
Check or replace drum motor.
Is drum PG signal given out of
pin(66) of IC701?
Check line between pin(7) of IC706 NO and all the way up thru to pin(66) of IC701.
YES
Is V-H.SW.P pulse given out of NO Check IC701. pin(23) of IC701?
YES
Replace IC701.
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