Zenith D60WLCD Series Service Manual page 55

TROUBLESHOOTING
MAIN
NO POWER
Check the LEDs on the
Control Door.
LED Off
No
Yes
LED: RED Blink
No
Yes
LED: Green Blink
No
Yes
LED: RED
D60WLCD - 923-03486
TROUBLESHOOTING
Yes
Lamp Ballast &
Lamp Check
Check the Limit S/W
on the Lamp Case.
Exchange the Lamp
LED: RED Blink
because the life time
of it is over .
Check the Vcc on
Pin 27of IC1001(5V).
Yes
Check Z1001 peripher-
als & I 2 C.
Yes
LED: Off
No
Check the ther-
Yes
LED: RED
mocouple of
No
Check the FAN
Yes
and Fan Driving
Check Stand-by voltage.
(12V at Pin 3 of P841)
Yes
No
Check IC1002 &
peripherals.
3-31
LED Off
No
Check Stand-by
voltage. (12V at
P1011.
Pin 3 of P841)
Voltage.
No
Check the SMPS
Board.
094A - SERVICING