Sharp 29L-FG1L, Service Manual

Page: 29 / 62

29L-FG1L
4 – 6
NO SPECIFIC COLOUR
Is only RF signal's colour
abnormal ?
Check tuner TU 51,
SF 202 and its related
circuit.
YES
NO
NO COLOUR
COLOUR PRODUCED
Adjust the colour
control at the user
MENU. Does colour
appear ?
Go to CHANNEL
SETTING at the user
MENU and change
to the appropriate
colour system. Does
the colour appear ?
NO
Set the
appropriate
colour level.
Set the
appropriate
colour system.
YES
YES
Using a PAL colour
bar signal, check the
RGB in & out line
between IC 2100 and
IC 851. Does the
waveforms normal ?
NO
Check IC 851, IC
2100 and its related
circuit.
NO
B