TROUBLESHOOTING
THIS TROUBLESHOOTING GUIDE SUGGEST AREAS TO CHECK TO FIND PROBLEMS. IN
GENERAL, EACH FAULT IS FOLLOWED BY A LIST OF POINTS TO CHECK. THESE
POINTS RANGE FROM THE MOST POSSIBBLE TO THE LEAST LIKELY.
FAULT POINTS TO CHECK
DEAD UNIT * CHECH THE AC ADAPTOR.
(VU METER NO LIGHT) * CHECK THE POWER SWITCH.
* CHECK THE POWER INPUT JACK.
VU METER WITH * CHECK THE VOLTAGE REGULATORS. (IC9,IClO)
LIGHT BUT MASTER * CHECK IC6,ICl,IC5,IC7
OUTPUT NO SIGNAL
VU METER WORKS BUT * CHECK THE WIRE CONNECTED BETWEEN R46, R47 AND
MASTER OUTPUT NO MASTER OUTPUT JACKS.
SIGNAL OUTPUT
MIC CHANNEL NOT * CHECK IC2 AND SURROUNDING PARTS
WORKING
PHONO 1 NOT WORKING * CHECK IC3 AND SURROUNDING PARTS
PHONO 2 NOT WORKING * CHECK IC4 AND SURROUNDING PARTS
HEADPHONE OUTPUT * CHECK IC8 AND SURROUNDING PARTS
NOT WORKING
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