20
6-8 POOR FOCUS
READJUST FOCUS CONTROL
NG
CHECK FOCUS CONTROL UNIT, FOCUS
LEAD WIRE, CRT SOCKET & CRT
6-9 NO SOUND (FOR AUDIO MODEL 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
Summary of Contents for EX951F
Page 23: ...22 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...
Page 46: ...45 9 IC BLOCK DIAGRAM IC101 NT68F65U IC102 24C08 IC901 STR G9656D ...
Page 47: ...46 IC401 UPC1888ECT ...
Page 48: ...47 IC804 NT6828 00046 IC801 LM 1269NA ...
Page 49: ...48 IC803 LM2480NA IC904 PC431CLP IC903 L7812CV ...