User Manual

-95-
● No Power
This LCD projection TV provides a function which can be specified a defective area simply by indicating the LEDs
on the front panel. Connect the AC cord and press the Power button once and then check the LED indication.
● LED Indicators and Error Conditions
POWER
(RED)
POWER
(GREEN)
WARNING
(RED)
LAMP
REPLACE
ERROR CONDITION CHECK POINT
OFF OFF OFF OFF
Power failure
(Primary circuit)
AC cord, Fuse, Varistor,
Power board
(See below table)
OFF OFF EMIT OFF
Power failure
(Secondary circuit)
P_Fail or P_Fail_PNL signal,
Fan lock signal,
Connectors
BLINK
--> EMIT
OFF OFF OFF
Lamp failure,
Temperature failure
Lamp Ballast Unit
SW1861 (Lamp cover SW)
SW902 (Thermal SW)
BLINK
--> OFF
OFF BLINK OFF Temperature failure Cooling down
--- EMIT --- EMIT Lamp Lifetime Lamp replacement
● Troubled parts in primary circuit and Check points
Primary Power Board C616 Power shut down F601
Circuit C619 Power shut down F601,D619
C655 Power shut down R651
C656 Power shut down IC651,F651
DB611 Power shut down F601
D611 Power shut down F601,Q611
D651 Power shut down R651
D671 Power shut down IC641
IC641 Power shut down F619,R641
IC651 Power shut down C659,C661,C662,D653,F651,
Q646,Q661,R652,R653,R654
L613 Power shut down F601,Q611
Q611 Power shut down D612,F601,Q621,R618
T641 Power shut down IC641
T651 Power shut down IC651,F651
Circuit Unit Troubled Location Error Condition Check Points
■ Troubleshooting