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Decca CS2230: Frame bounce/No Raster
Submitted by Member: PYE625
Chassis: Decca Bradford
There are a number of multi-way plugs and sockets used in this chassis, on the circuit boards and in the cable looms. They can become intermittent causing unusual faults ranging from no raster to bouncing frame and I’m sure many more odd-ball faults are no doubt possible.
Before investigating too deeply, it is a good idea to gently wiggle any suspect connector to locate a possible poor connection. Methodically clean all contacts with switch-cleaner, then make-break the plugs/sockets several times to remove any oxidation on the contacts. Of course, dry joints on the pins of PCB mounted sockets can’t be overlooked either.