Toshiba 15DLV77C Service Manual page 47

(LCD SECTION)
POWER DOES NOT TURN ON
IS F3801 BROKEN ?
NO
IS THERE VOLTAGE
AT PIN 7 OF Q3809
5V ?
YES
IS THERE VOLTAGE
AT PIN 3 PIN OF
IC3806 3.3V ?
YES
IS THERE VOLTAGE
AT PIN 2 OF IC3809
MORE THAN 3V ?
YES
IS CP3804 AND
CP3201
CONNECTED ?
YES
CHANGE AV PCB.
TROUBLESHOOTING GUIDE
YES
NO
NO
NO
NO
E-1
CHANGE F3801.
CHECK Q3809 AND
PERIPHERAL CIRCUIT.
CHECK IC3806 AND
PERIPHERAL CIRCUIT.
CHECK IC3809 AND
PERIPHERAL CIRCUIT.
CONNECT CP3804 AND
CP3201.