36
TV-13142
TV-13142W
TROUBLESHOOTING GUIDE
ONLY A LINE APPEARS
Is the normal signal at
pin 5 of IC401 output.
Check CP401.
No
Yes
No
Is the normal signal at
pin 7 of IC401 input ?
Check peripheral circuit of IC601.
No
Yes
Yes
Check Q402.
Is the voltage at pins 6, 2
of IC401 DC25V ?
Check peripheral circuit of IC401
and CP401.
OSD SCREEN DOES NOT APPEAR
No
Yes
Yes
No
Is there a waveform at pins
62, 63, 64 of IC1001 ?
Is there a waveform at pins
14, 15 and 16 of IC601 ?
Check IC1001 and the peripheral
circuit.
Check peripheral circuit of IC604.
Check CRT PCB BLOCK