Toshiba 19DV616DG Service Manual page 66

THE PICTURE DOES NOT
APPEAR
Does backlight shine?
Yes
Is CD7201 connected?
Yes
Is there voltage at pins 1,
2 and 3 of CP7201 5V?
Yes
Is there signal at pins 7,
9, 10, 12, 13, 22, 23, 25,
26 and 28 of CP7201?
No
Change MAIN PCB.
TROUBLESHOOTING GUIDE
No
Is CP7001 and
CP7002 connected?
Is the voltage at pins 13
and 15 of IC7001 8.3V?
No
Connect CD7201
No
Check Q3810 and peripheral
circuit.
Yes
No
Yes
No
Yes
E-3
Connected CP7001 and
CP7002.
Check IC7001 and
peripheral circuit.
Change V7201(PANEL).
19DV616DG