Toshiba 20HLV15 Owner's Manual page 55

THE PICTURE DOES NOT
APPEAR (1).
DOSE BACK LIGHT SHINE ?
YES
IS CD7203 CONNECTED ?
YES
IS THERE SIGNAL AT
PINS 13, 14, 16, 17 19,
20, 22, 23, 25 AND 26
OF CD7203 ?
NO
IS THERE SIGNAL
AT IC7201 ?
NO
CHECK IC801.
TROUBLESHOOTING GUIDE
NO
NO
YES
YES
E-3
CHECK THE CONNECTED
OF CP3801 AND THE
VOLTAGE OF PINS 1~5.
CONNECT CD7201.
CHANGE V2301.
CHANGE IC7201.