TROUBLESHOOTING GUIDE
Yes
Adjust the color.
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Check J801 and CRT.
Is the waveform at TP801,
TP802 and TP803 of CRT
PCB output.
Is the waveform 12, 13
and 14 of IC601 normal ?
Is the waveform at pin 42
of IC601 normal ?
Is the waveform at pin
40 of IC601 normal ?
Is the color signal
received ?
Is the color set to
minimum ?
NO COLOR
Receive the color signal.
Check peripheral circuit of X601.
Check peripheral circuit of VIDEO
out line and Q602.
Check IC601.
Check Q804, Q805, Q806 and
CD850.
E-5
