SAMSUNG HL-N467WX/XAC
Manual de Servicio

5-8
1. If 3 LED indicators flicker from time the set is turned on, it means: 1) The CN106 connector on the DMD board is not inserted properly. 2) The MDR cable that connects DIGITAL board to the DMD board is not connected properly. 3) If the lamp does not turn even after turning it on three times, by powering off/on 15 second intervals: CN106 ! The B+ 380V power is not supplied to the ballast (The cable is not connected properly between the power and the ballast.) MDR cable # The lamp does turn on because 5V has not been Temperature $ 5V is supplied to CN2 terminal on ballast but the neously. lamp does not turn on because the ballast has a failure. CN2 terminal, suspect a ballast failure if the lamp still % The ballast is normal but the lamp doest not turn on. connector (When 5V is supplied CN2 and 385V to CN1, but the
Color wheel index connector lamp does not turn on, try replacing the lamp. If it turns make sure to measure the Color wheel

Alignment and Adjustments

No. Item Picture Description Remarks

When @ The cable connected to CN110 terminal on the Timer, Lamp, DMD board and CN2 terminal on the ballast is shortcircuited or not connected. and Abnormal supplied to blue pin #1 on CN2 terminal of the LED indicators ballast. flicker simulta-

1 (If the lamp replaced and 5V is supplied normally to

Ballast CN2 terminal does not turn on.)

*When measuring voltage, 4) The color wheel engaged to the engine does not operate, Lamp connector

Ballast CN1 terminal on, that means it was a lamp failure.) or connector which indicates operation of the voltage between the two color wheel is not connected properly, and therefore terminals. does not allow the lamp to turn on. The cause can be determined when the set still does not turn on after attempting to turn it on three times. Conclusively, if the three LED indicators flicker, first above five items, then check the various connector connections, and then suspect a failure of the lamp or the ballast.

5) Another digital or the DMD board has a failure.

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