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buen manual con sus formas de onda y esquemas , completo y de buena calidad de imagen, es correcto.
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This is exactly what I needed This was a hard one to find and I had already downloaded several for other Panasonic radios but none matched my radio.
Although my radio is the LBE model the LBS is the same.
A very good quality manual with every thing you should get in it
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el manual es correcto , completo y de buena calidad aunque algun esquema esta excesivamente diseccionado.
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muy buen manual con multiples graficos y formas de onda ademas de muy completo y bien presentado.
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As Always these people were very rapid and efficient. A great job helping hobbiest and workers!!! Thank you a lot!
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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