E-1
TROUBLESHOOTING GUIDE
(Television division)
(In case that there isn't a normal tension for time to do
standby CD810 every terminal)
( 1 ) that a power supply doesn't
enter
Is there output on the
secondary of T501
dimensions or not?
No
Yes
Voltage of C507 is
it normal?
No
Yes
Yes
No
Investigate R501 and F501.
Whether there is output
for IC501 3rd pin or not?
Investigate IC506 and IC501.
Investigate T501.
No
No
No
No
Yes
Yes
Yes
Whether is POWER
FAIL normal?
Investigate D512.
AT13V is it normal?
Investigate IC504.
Investigate F502 and D510.
+B is it normal?
Investigate T501 and ICP502.
UNREG 8V is it normal?
