Tuesday, 26 February 2019

HOW TO ENTER SERVICE MODE TO APEX - PF 2720_PF 2730_PF 3230 & PF 3220

HOW TO ENTER SERVICE MODE TO APEX - PF 2720 _ PF 2730 _ PF 3230 & PF 3220 



TO ENTER SERVICE MODE:



  • Decrease the volume to [0].
  • Press MUTE button on the remote control and VIDEO button on the TV simultaneously.
  • Adjust the TV with MENU SELECT buttons on the remote control.
  • Press POWER button on the remote control to Exit from service menu.
SUPPLY VOLTAGE ADJUSTMENT.

+B voltage has close relation to High Voltage.  To avoid X ray radiation, +B voltage should be [+145VDC]
  • AC power supply to 120+/-2V.
  • Connect a digital voltmeter to two pins of [C820], and turn ON the TV.
  • Receive Philips Test pattern.
  • The voltmeter should read [145 +/- 1.5V]
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