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Excellent quality, helped to fix problem. Thank you very much!!!!
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I thank Owner-Manuals.com for providing the necessary manual very quickly, and it was very helpful in repairing my personal Audio System and I once again thank them for the wonderful customer's service satisfaction.
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Everything fine: quick service, no glitch and above all a very good quality of the Pdf file. Thank you!
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The manual was complete, parts list, adjustment procedures, etc. No worries
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Very usefully, I could find the trouble clearly with that manual.
Fault description�no power. Start.
Check if transformer and power has 12V or not.
No.
exchange transformer or
Yes.
battery pack.
Panel.
Check the problem is from or
panel
PCB by replacement method.
Exchange the panel.
PCB
Switch is damaged or not.
Yes.
Exchage the switch.
No.
Check Q601 2SB1203 C top has 12V or not.
No.
Yes. Yes.
Voltage of 2SB1203 B pole is low or not.
2SB1203 is illusive jointing or damaged.
No. no.
Check if CN601 has 12V or not.
1K Resister connected
No.
Check circuit
12V from yes.
with 2SB1203 B pole is earth or not.
9601C to CN601.
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