BUSH TV113

The trouble with this set is two pictures alongside each
other. The ECC82 line oscillator valve has been changed
and the associated resistors and capacitors seem to be in
order.
The suspects are the compression trimmer TC1 which is
used as the cross -coupling capacitor in the cathode -coupled
line multivibrator circuit, the 270k52 resistor (R96) which
links this to the line hold controls, and the flywheel sync
discriminator diodes. Try setting the line hold control
midway and resetting the trimmer.