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The problem with this set is no raster – just three distorted
coloured loops about mid -screen. The only clue I have is
that 8401 and R402 are burning.
The two resistors you mention are in parallel with the
field scan coil circuit, so it would seem that this is not intact.
The coils are connected in series with L507 and the north –
south pincushion distortion correction transductor
TRD502, so there are several things to check for being
open -circuit.

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