Power Supply (SMPS) Board
49UJ6300 SMPS (Power Supply)
P801- to Panel Backlight
Power pin 7.
P801- Pin 1 goes to Backlight Driver
Q801- (Back of SMPS)
You CAN use Smart Test Jig with the MultiGender
Board on this model for SMPS test.
You CAN’T use the Smart Test Jig and Vx1 Cable for Panel Test in this model.
P201 Power Supply Connector Voltage and Diode Check
PWR-On Pin 1: Turns on 13.2V
to the Main. No backlights at this time.
Backlight Power is 107V~110V
MS (DRV- On) Pin 11: Turns on the Backlights. Backlight power goes to 158V.
Note: During STBY,
LED+ will fluctuate 107V-110V.
With Main disconnected 98V
PDIM Pin 12: Will vary according to incoming video IRE level and OSD Backlight setting Output from the Video Processor. And the Backlight settings in the Customer’s Menu 0% TO 100%. It is then routed out P1001 to P201 and sent to the LED Driver IC on the Back of the SMPS.
