Something wrong with wiring/connectors to the CRT heater, the orange glow is
visible under the shielding now attended to and the scope is working.

Scale illumination lamps blown, unloaded supply, at maximum of pot control
is 19.5V to paired up bulbs. Anyone ever tried droppered blue or white LEDs
for such purposes. Would require a reflector on the LED axis to throw light
off radially. Otherwise it will probably have to be 24V bulbs going in
there.

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Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
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