TROUBLESHOOTING GUIDE
E-3
NO COLOR
Are the waveforms at pin 6,
8 and 11 of J801 normal ?
Yes
No
Defect of CRT or contact defects
of J801.
Are the waveforms at pin 3,
4 and 5 of CP802 normal ?
Yes
No
Check the output circuit and
associated circuit.
Are the waveforms at
pin 50, 51 and 52 of
IC101 normal ?
Yes
No
Check R, G, B signal output from
IC101 to R, G, B output circuit.
Is the pulse of crystal
X601 normal ?
No
Yes
Check the associated circuit of IC101.
Check X601.