TROUBLESHOOTING GUIDE
NO COLOR
No
Yes
Is the color set to normal ?
Adjust the color.
No
Yes
Is the color signal received ?
Receive the color signal.
No
Yes
Is the waveform at pin 47
of IC604 normal ?
Check peripheral circuit of X604.
No
Yes
Check peripheral circuit of IC604.
Check peripheral circuit of IC1001
and IC604.
Do pins 17, 18 and 19 of
IC604 feed normal signal ?
E-5