Sharp 20BM2 Manuel d'entretien - Page 17

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TROUBLE SHOOTING TABLE
NO SPECIFIC COLOUR
NO
Is some colour produced in
B/W broadcast reception ?
Check IC801, R801, R802,
R803, D804, D805, D806
and Q801.
The picture colour is cyan.
The picture colour is magenta.
Check Q870, Q885 and its
Check Q871, Q883 and its
adjacent circuits (for 20"&21").
adjacent circuits (for 20"&21").
Check Q871, Q883 and its
Check Q870, Q885 and its
adjacent circuits (for 14").
adjacent circuits (for 14").
NO SPECIFICATION COLOUR
"PAL/SECAM"
(NO COLOUR SYNCHRONIZATION)
Check IC801 and Bias
control circuit.
Normal
Check X1001(12 MHz).
(Continued)
YES
YES
Is the white balance properly
adjusted ?
NO
Readjust the white balance.
The picture colour is yellow.
Check Q872, Q887 and its
adjacent circuits.
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