
34
TROUBLESHOOTING GUIDE
(Television division)
It dose not enter the power
suppiy(1)
NO
YES
Investigate unreg8V line and
AT5V line.
NO
YES
Investigate D508.
NO
NO
The 7th pin of cp810
does it exist DC13V?
Q502 and Q513 normal?
Q512,Q513 make on/off?
Investigate the 28 pin of IC1001
and the peripheral circuit.
YES
Investigate F502 and the
peripheral circuit.
YES
Investigate Q512,Q513 and the
peripheral circuit.
It dose not enter the power
suppiy(2)
NO
CP810 is it insert?
CP810 is insert
NO
NO
Investigate the F501,C507,R501
and the peripheral circuit.
YES
YES
Investigate the IC501 and the
peripheral circuit.
Does F501 get broken?
Voltage of C507 is there
about 170V?
Exchange F501.
Does the base voltage of
When it pushed the
power button is it
lighted?