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Service manual in good quality, it was very helpful to me. Perfect service, I am very satisfied.
Jochen Kelm
;
Exellent manual ,it was in great condition,and got all the info i expected,5 stars!!
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I searched the Internet exhaustively for this manual and Owner-Manuals was the least expensive...but provided an excellent reproduction within 4 hours. Very satisified.
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Rapid and precise delivery. Good print. On the spot.
;
available for me the service manual is in order!
thanks
TROUBLESHOOTING GUIDE
THE AUDIO CAN NOT RECORD
IS BIAS LEVEL AT T4001 OK ? YES
NO
IS THE VOLTAGE OF T4001 AT PIN 2 5V ? YES
NO
CHECK POWER BLOCK.
IS THERE AUDIO SIGNAL AT PIN 5 OF T4001 ? NO
YES
CHECK A/C HEAD AND CIRCUIT AROUND OF IC4001.
CHECK SNAPPING OF A WIRE IN T4001 AND CIRCUIT AROUND IT.
IS THERE AUDIO SIGNAL AT PIN 80 OF IC4001 ? YES
NO
CHECK THE CIRCUIT FROM TUNER AND AUDIO INPUT JACK TO PIN 80 OF IC4001.
IS THERE AUDIO SIGNAL AT PIN 97 OF IC4001 ? YES
NO CHANGE IC4001.
IS THERE AUDIO SIGNAL AT PIN 5 OF T4001 ? YES
NO CHANGE IC4001.
CHECK LEAD WIRE OF A/C HEAD AND CONNECTOR.
E-19
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