Thursday, June 13, 2013

SHARP TXM2556X - HOW TO ENTER SERVICE MODE [FACTORY MODE] - RESET - INITIAL SETTINGS


TXM2756X/XAA TXM2556X/XAA
CT29F6SWX/XAO CT26F6SWX/XAO
CT29F6SWX/XAP CT26F6SWX/XAP

 FACTORY MODE [SERVICE MODE]
  • Do not attempt these adjustments in the Video Mode.
  • The Factory Mode adjustments are necessary when either the EEPROM (IC902) or the CRT is replaced.
  • Do not tamper with the “Adjustment” screen of the Factory Mode menu. This screen is intended only for factory use.
  • When IC902 Memory IC]  is replaced all adjustment data revert to initial values. It is necessary to re-program this data.
  • After IC902 is replaced, warm up the TV for 10 seconds.
Service Mode
This mode uses the standard remote control.
The Service Mode is activated by entering the following remote-control sequence :
  1. DISPLAY =>  FACTORY.
  2. STAND-BY => MUTE =>1 =>8 =>2 => POWER ON.
  • The “SERVICE (FACTORY)” message will be displayed. The Service Mode has four components: ADJUST, OPTION , G2-ADJUST and RESET.
  • Access the Adjustment Mode by pressing the “VOLUME” keys (▲or ▼). The adjustment parameters are listed in the accompanying table, and selected by pressing the CHANNEL keys (▲or ▼  ).

Selection sequences for the all system:
DOWN or UP key:
SCT>SBT>BLR>BLB>RG>GG>BG>VSL>VS>VA>HS>SC>CDL>STT>AKB>PDL>NDL>PSR>NSR>SCBT>VOL>CAP>MVOL>RP00>RP01>FMWS>AGC1>OMD>SCL>PWL>MUS>AGC>DSK>DVDB
  • The VOLUME keys increase or decrease the adjustment values (stored in the non-volatile memory) when Adjustment Mode is cancelled.
  • Cancel the Adjustment Mode by re-pressing the “FACTORY” or “Power OFF” keys.
MAIN ADJUSTMENT PARAMETERS   {Click on Tables to Magnify}
OPTION BYTES
In the Service Mode, various can be selected via the Option Table. Example: Option Table : xx xx
RESET
The Reset Mode is used during factory inspection.
Function Reset:
Picture Mode > Custom
Sound Mode > Custom
Auto Volume > Off
Melody > On
Surround > Off
Turbo Sound > Off
MTS > Stereo
Language > English
Caption > Off
Timer > Off