33
TV-13142
TV-13142W
TROUBLESHOOTING GUIDE
No
Yes
No
Yes
Adjust Brightness and Contrast.
Check UNREG +8V line.
No
NO PICTURE
Replace IC604.
Yes
Yes
Check Q4009.
Yes
Check IC604.
No
No
Are the Brightness and
Contrast set to minimum ?
Is the signal VIDEO at pin
57 of IC601 output ?
Is the voltage at pins 55,45,44
18,19 of IC601 DC9V ?
Is the signal Y and CHROMA
at pins 36, 34 of IC601 ?
Check IC4001 pin 26 signal
VIDEO output.
Check IC4001 pin 28 signal VIDEO
(Input).