Sharp 21KF-80S Service Manual page 37

21KF-80S
NO VERTICAL SCAN
Check IC501 bias.
Check IC501, the connectors
Check D501,D505,C502 and C514
F4
and F5, and adjacent
NO SPECIFIC COLOUR
Is some colour produced
in B/W broadcast
Check IC801, R801,R802,
Is the white balance
D804, D805 and D806.
properly adjusted?
Readjusted the white
balance.
The picture colour is The picture colour is The picture colour is
cyan. magenta. yellow.
Check Q870,Q885 and Check Q871,Q883 and Check Q872,Q887 and
their adjacent circuits. their adjacent circuits. their adjacent circuits.
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