TROUBLESHOOTING GUIDE
E-3
NO PICTURE
No
No
No
No
Yes
Yes
Yes
Yes
Are the Brightness and
Contrast set to normal ?
Adjust Brightness and Contrast.
Is the voltage at pin 7
of CP851 DC9V ?
Check P.CON +9V line.
Is the signal at pins 30, 31
and 32 of IC601 output ?
Is the waveform at pin 44
of IC601 normal ?
Check JACK_VIDEO line.
Replace IC601.
Check Q801~Q806 and peripheral
circuit.
Summary of Contents for VTW21FQR
Page 116: ......
