<Composite video signal/S-video signal input> No video output (INPUT2)
Yes
No
No
No
Check between J502 and pin 13 and 14 of P501.
Check between J502 and pin 11 of IC501.
Select INPUT-2 and the input signal on the input switching
menu screen.
No video output from extermal input <<INPUT-2>>
<Composite video signal input>
Is video signal sent to pin L3 of IC801 from P501?
<S-video signal input>
Are Y and C signals sent to pins L1 and N1 of IC801 from
P501 respectively?
Check between IC801 and P501.
Yes
No
Yes
Are signals from A6, A1, E1, E2, W5, W6, W7, Y6, AA6 of
IC801 normal?
Check IC9201 and peripheral circuits.
Check IC801 and peripheral circuits.
<Composite video signal input>
Is video signal fed to pin 11 of P501?
Yes
<S-video signal input>
Are Y and C signals fed to pins 13 and 14 of P501
respectively?