Toshiba 19LV61K - 3. Electrical Adjustment Parts Location Guide (Wiring Connection); Audio Issues

TROUBLESHOOTING GUIDE
THE PICTURE APPEARS,
BUT THE AUDIO DOES NOT
APPEARS. (AT RF MODE)
Is CD301 connected?
Is there signal at pins 1
and 4 of CD301?
Is there signal at pins 2
and 4 of IC301?
Connect CD301
Change SP301 and SP302.
Check IC301 and peripheral
circuit.
Yes
Yes
Yes
No
No
E-3 19LV61K
Is there signal at pins
A3 and C4 of IC2801?
Change TU5801.
Check Q3410, Q3411 and
peripheral circuit.
Yes
No
No
Is there signal at pin 5
of TU5801?
Check IC2801 and peripheral
circuit.
Yes
No
E-3 19LV61K