Panasonic PT-56DLX25 Service Manual page 59

LAMP DOES NOT LIGHT UP
Before doing this troubleshooting, confirm that all connector cables in the unit are connected to the connectors correctly.
In particular, confirm the following connector cables:
• LVDS Cable (20-pin Cable):
• Thermostat/Cover Switch Connector Cable: Between Thermostat/Cover Switch and PA5 on the Base C.B.A. (Circuit Board A)
• B2 Connector Cable:
• Color Wheel F.P.C.:
• Lamp Connector Cable:
Note:
If a cable is disconnected, the Power LED flashes or the Unit shuts off.
Plug in the AC Cord.
Does the Power LED (D6701) on the
Operation C.B.A. light up red?
YES
Turn the power ON.
Is there a click sound to turn the
Relay ON?
(Relay: RL803 on the Power C.B.A.
(Circuit Board P))
YES
Does the Power LED (D6701) on the
Operation C.B.A. flash green?
YES
Error 1) ~ 9) occurs.
(Refer to "LED INDICATION FOR
ERROR CONDITION")
Refer to "How to solve the problem
indicated by the Error Indication of
LED."
and perform troubleshooting.
Note:
When doing troubleshooting over again, be sure to
turn the power off and unplug the AC Cord.
Between PL1 on the DMD Drive C.B.A. (Circuit Board L) and PDG4 on the Main C.B.A. (Circuit Board DG)
Between B2 on the Ballast C.B.A. and PA6 on the Base C.B.A. (Circuit Board A)
PL3 on the DMD Drive C.B.A. (Circuit Board L)
Lamp socket
NO
Replace the TV Unit (Power C.B.A. (Circuit Board P)).
NO
NO
57
PT-56DLX75 / PT-61DLX75