Toshiba 19LV61K Service Manual page 72

THE PICTURE APPEARS,
BUT THE AUDIO DOES NOT
APPEARS. (AT RF MODE)
Is CP301 connected?
Yes
Is there signal at pins
1 and 4 of CP301?
No
Is there signal at pins 2
and 5 of IC302?
No
Is there signal at pins
A3 and C4 of IC2801?
No
Is there signal at pin
5 of TU5801?
No
Change TU5801.
TROUBLESHOOTING GUIDE
No
Yes
Yes
Yes
Yes
Connect CP301.
Change SP301 and SP302.
Check IC302 and peripheral
circuit.
Check Q3403, Q3408 and
peripheral circuit.
Check IC2801 and peripheral
circuit.
E-4 E-4 26LV61K 26LV61K