Toshiba 19LV61K Service Manual page 71

THE PICTURE APPEARS,
BUT THE AUDIO DOES NOT
APPEARS. (AT RF MODE)
Is CD301 connected?
Yes
Is there signal at pins 1
and 4 of CD301?
No
Is there signal at pins 2
and 4 of IC301?
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 CD301
Change SP301 and SP302.
Check IC301 and peripheral
circuit.
Check Q3410, Q3411 and
peripheral circuit.
Check IC2801 and peripheral
circuit.
E-3 E-3 19LV61K 19LV61K