E-5
TROUBLESHOOTING GUIDE
NO
YES
NO
YES
YES
NO
NO
YES
An image doesn't appear
Whether does video signal
appear for IC701 17th pin
or not?
Investigate IC701 and a
peripheral circuit.
Is the voltage DC 5V for
IC604 6th pin or not?
Investigate P.CON 5V line.
Whether is a luminance
signal early in IC604
52nd pin or not?
R, G, B signal out from
the 17th pin, the 18th
pin and 19th pin?
Investigate IC604 and a
peripheral circuit.
Investigate a transistor of CRT
PWB.
Investigate IC604.