Sharp LC-32A40L Service Manual page 20

THE PICTURE DOES NOT
APPEAR (1).
DOSE BACK LIGHT SHINE ?
YES
IS CD7203 CONNECTED ?
YES
IS THERE SIGNAL
AT CP7203 ?
NO
IS THERE SIGNAL
AT IC7201 ?
YES
CHECK IC801.
OR CHANGE SCALER PCB.
TROUBLESHOOTING GUIDE
IS THERE VOLTAGE AT
NO
PINS 1, 2, 3, 4 AND 5
OF CP506 24V ?
YES
NO
CONNECT CD7203.
YES
NO
E-2
NO
CHECK IC502, T502 AND
PERIPHERAL CIRCUIT.
CHANGE V2301.
CHANGE IC7201.