TROUBLESHOOTING GUIDE
NO COLOR
Are the waveforms at pins 3 ,YesDefect of CRT or contact defects
7 and 9 of J801 normal ?of J801.
No
Are the waveforms at pins 1,YesCheck the output circuit and
2 and 3 of CP802 normal ?associated circuit.
No
Are the waveforms atAre the waveforms at the
YesYesCheck Q801, 802, Q803 and
pins 19, 20 and 21 ofoutput of Q801, Q802 and
peripheral circuit.
IC201 normal ?Q803 normal ?
NoNo
Check IC201 and associated circuit.
Yes
Is the pulse of crystal
Check the associated circuit of IC201.
X601 normal ?
No
Check X601. |
ACEC
