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Colour Television
Yes
Check/Replace IC301
Figure 6 No Picture
TV&AV
haven't
Picture
TV has Picture. AV hasn't Picture.
No Picture
AV has Picture. TV hasn't Picture.
Check tuner working
is ok?
Check tuner TU100
Figure 5
Yes
Is the signal at P1 of
IC301 ok?
No
Check/Replace IC201
Check +8V,
+200V
Ok
Check RGB signal
Check is there AV signal
to IC201 form AV input
Yes
Check IC201
Yes
No
Chassis:
No Vertical Scanning
Is both +14V and -14V ok?
No
Check signal at P14/P15 of
IC201
Check is there
RGB signal to
CRT BD forom
IC201
No
Check P44,45 P46 of IC201
and the relative circuit
No
Check AV Signal
input
Yes
Check Q101 and
SAW filter
NX56
No
Check/Replace
, D410, D411
Yes
Check
the
circuit
between
IC301
and
IC201
Check CRT BD
Ok
Replace IC201
Check circuit between
SAW and IC201
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