Read Sharp XR-20S (serv.man14) Service Manual online
37
XR-10X/S
XR-20X/S
XR-20X/S
YES
End
YES
Check IC3002 and the
peripheral circuits (check
IC3052 for INPUT 2).
peripheral circuits (check
IC3052 for INPUT 2).
NO
Check IC1792 and
peripheral circuits.
peripheral circuits.
NO
Check IC1763 and
peripheral circuits.
peripheral circuits.
NO
RGB and component
signal check
signal check
Send component signal or
RGB signal of 1080i (or
720P) from INPUT 1 or
INPUT 2. Select INPUT 1
or INPUT 2 using keys on
the main unit or the remote
control.
RGB signal of 1080i (or
720P) from INPUT 1 or
INPUT 2. Select INPUT 1
or INPUT 2 using keys on
the main unit or the remote
control.
Is image displayed
normally?
normally?
Are picture signals sent to
TL3201, TL3204, and
TL3205?
TL3201, TL3204, and
TL3205?
NO
YES
Is 3.3V applied to TL1792?
Is 3.3V applied to TL1762?
YES
Check IC3201 and
peripheral circuits.
peripheral circuits.
YES
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