Sharp 37GQ-20H Service Manual page 25

37GQ-20H
NO SPECIFIC COLOUR
Is
some colour
produced in B/W Broadcast
NO YES
reception?
Check IC801, C812,
C813, R813, X801
Is
the white
YES NO
balance properly
adjusted?
The Picture Colour is The Picture Colour is The Picture Colour is
Red or cyan. green or magenta. Blue or Yellow.
Check Q871, Q883 and Check Q870, Q885 and Check Q872, Q887 and Readjust The White
their adjacent circuits. their adjacent circuits. their adjacent circuits. Balance.
UNLOCKED COLOUR
(NO COLOUR SYNCHRONIZATION)
Check setting of Colour
Standard in Service
Mode.
Normal
Check IC801, C812,
C813, R813, X801
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