18
6-8 POOR FOCUS
READJUST FOCUS CONTROL
NG
CHECK FOCUS CONTROL UNIT,
FOCUS LEAD WIRE, CRT SOCKET & CRT
6-9 NO SOUND (OPTIONAL WITH AUDIO ONLY)
OK
OK
OK
OK
NG
ENSURE THE SOUND SOURCE
IS POWER ON
ENSURE THE SOURCE CABLE
CONNECTION
CHECK POWER
CHECK IC501
IC501 FAILURE
SPEAKER FAILURE
OK
SUPPLY CIRCUIT
ADJUST VOLUME CONTROL
NG
CHECK IC501
PIN 14 ABOUT 14V
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