Sharp 29V-FT450S - Page 31

29V-FT450S/29V-FT95S
31
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
thecolourappear?
NO
Set the
appropriate
colour level.
Set the
appropriate
colour system.
YES
YES
Using a NTSC 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