Wednesday, February 20, 2013

SHARP LC121M2E89 - LC150M2E - TFT LCD DISPLAY UNIT - ADJUSTMENT PROCEDURE




ADJUSTING PROCEDURE
Preparation for adjustment
  • Use the exclusive-use AC adapter or stable DC power supply.  AC adapter: UADP-0181CEZZ  DC power supply: 12 ± 0.5V
Special mode setting procedure
  • After initialization of E2PROM the mode is changed to the adjustment mode.
[Procedure]
  • Connect TP2007 and TP2008 to GND, and turn on the power.
[Description]
  • The initialization of microcomputer is as follows.
  • AV position, DAC data, G/A data, and video chroma data adjustment values are taken as defaults.
Change to adjustment mode.  [Procedure]
  • Short-circuit TP2007 to GND, and turn on the power.
  • Or short-circuit TP2008 to GND, and turn on the power.
  • Or holding down the [AV INPUT] key and [MENU] key, turn on the main power, and simultaneously press the (inspection process) [SELECT "] key and [VOL– ] key to change the mode to the adjustment mode.
[Description]
  • The manual adjustment or adjustment through communication with the automatic machine is performed.
INSPECTION MODE
[Procedure]
Holding down the [AV INPUT] key and [MENU] key, turn on the power.
[Description]
  • In the ordinary menu select “PICTURE” with the [SELECT] key, and decide with the [VOL] key. Then select “CONTRAST”, “TINT (only NTSC)”, “COLOR”, “BLACK LEVEL”, “SHARPNESS”, “RED” , and “BLUE” with the [SELECT] key, and decide with the [VOL] key. After that, adjust values with the [VOL] key.
  • In the ordinary menu select “SOUND” with the [SELECT] key, and decide with the [VOL] key. Then, select “TREBLE”, “BASS”, and “BALANCE” with the [SELECT] key, and decide with the [VOL] key. After that adjust values with the [VOL] key.
  • VOLUME, CONTRAST, TINT (only NTSC), COLOR, BLACK LEVEL, SHARPNESS, RED, BLUE, TREBLE, BASS, and BALANCE change as follows.
  • { MIN ß à CENTER ß à MAX (Toggles)
Shipping setting mode. [Procedure]
  • Holding down the [AV INPUT] key and [MENU] key, turn on the main power, and simultaneously press the (inspection process) [SELECT UP] key and [VOL+] key to change the mode to the adjustment mode.
  • [Description]
    User adjustment and other values are taken as defaults.
    If AV1 is indicated as SETTING COMPLETE, setting has been completed.

    TO cancel of special mode.  Turn off the main unit power.