Toshiba 19LV61K Service Manual page 74

THE PICTURE DOES NOT
APPEAR
Does backlight shine?
Yes
Is CD2801 connected?
Yes
Is there voltage at pins
27, 28, 29 and 30 of
CP2800 12V?
Yes Yes
Is there signal at pins 6,
7, 9, 10, 12, 13, 15, 16,
18 and 19 of CP2800?
No
Change DIGITAL PCB.
TROUBLESHOOTING GUIDE
No
Is there voltage at pins 1,
2, 3, 4 and 5 of CP3906
24V?
No
Connected CD2801.
No
Check Q3008 and
peripheral circuit.
Yes
No
Yes
E-6 E-6
Check IC3801, T3801, D3826
and peripheral circuit.
Change V2801(PANEL).
26LV61K 26LV61K