Friday, March 29, 2013

EMERSON EWL 20S5 - SERVICE MODE - ELECTRICAL ADJUSTMENTS - INITIAL DATA SETTING VALUES - FLICKER ADJUSTMENT - POWER SUPPLY (MAIN) SCHEMATIC DIAGRAM





ELECTRICAL ADJUSTMENTS
Electrical adjustments are required after replacing circuit components and certain mechanical parts. It is important to perform these adjustments only after all repairs and replacements have been completed. Also, do not attempt these adjustments unless the proper equipment is available.

HOW TO MAKE SERVICE REMOTE CONTROL
  • Prepare normal remote control unit. (Part No. N0105UD or N0127UD)
  • Remove 3 Screws from the back lid.
SERVICE MODE
  • Use the service remote control unit.
  • Turn the power on. (Use main power on the TV unit.)
  • Press [SLEEP] button on the service remote control unit. Version of microcomputer will be displayed on the LCD or display. (Ex: 0004FP-0.47)
INITIAL SETTING
  • Enter the Service mode.
  • Set the each initial data as shown on table below:
FLICKER ADJUSTMENT
  • Enter the Service mode.
  • Press [2] button on the remote control unit.
  • The following screen appears.
  • If Flicker Adjustment is not fit, the screen becomes the following.
  • Press [CH UP | DN] buttons on the remote control unit so that flash stops.
POWER SUPPLY [MAIN] SCHEMATIC  {Click on image to Enlarge}