Sharp AN-60KT, Service Manual

Page: 34 / 174

34
PG-M20S
PG-M20X
Feed the 480i component signal in INPUT 1.
Select INPUT 1 using the set's key or the remote controller.
Select 480i among the special modes on the user
menu screen.
Is 480i selected among the special
modes? Does the contour of picture
appear clear.
Confirmation of synchronization.
Is Y signal including sync signal
inputted to pin (3) of IC3502?
Is picture outputted?
Is the color normal?
No
Is the signal type set to the
component?
In case of monitor output,
disconnect the monitor output
cable.
Set the monitor output.
Check the monitor output
equipment and cable.
No
Yes
Yes
No
Yes
Yes No
Yes
Abnormal
No
Set the signal type.
IC8025 is defective. Select 480i.
Restored to normal condition
Yes
End
Checking of DTV
(480i Component Input)
Check IC8016
(Video decoder).
Go to "Checking of
Low-pass Filter Circuit"
Check IC3501 and its
periphery.
Yes
No