Panasonic PT-DZ13KU, Service Manual, Page: 39 / 121

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Lamp does not turn ON. (Lamp1 or Lamp2 either indicator blink 3 times)
Ballast input voltage check
Lighting mode : B1 connector 1pin DC380V
B1 connector 2pin DC18V
P Replace the P-P.C.Board.
Replace the lamp unit.
Confirm the connection of each connector
P11
～
B1 G16
～
Q3 Lamp cable
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Lamp does not turn ON. (Lamp1 and Lamp2 indicator blink 3 times)
B
*The decline of AC voltage or instant blackout makes the lamp turned off. Confirm the situation of power supply.
* After turning off the lamp, the temperature of the lamp is high. Turn the power supply on when the temperature of the lamp is low.
B Replace each B-P.C.Board.
Check the status of each lamp unit.
Confirm the connection of each connector.
P11
～
B1 G16
～
Q5 P12
～
Bimetal
Connect the cables properly.
Replace the lamp unit.
B Replace each B-P.C.Board.
<reference>
・
If the Lamp of the two does not light together, please check P-P.C.Board.
・
If the Lamp of only one does not light, confirm the replace the lamp2 and lamp1.
Distinction of ballast fault or lamp fault can be performed.
Connect the cables properly.
Check the status of each lamp unit.