HOW TO ENTER SERVICE MODE TO TOSHIBA 42PW23P

To enter into Service Mode

* Press "Mute" button once.
** Press "Mute" button once again, and while pressing it, press "Menu" button on the front panel of the TV.
*** Release both buttons, and press "Menu" button on the TV.
Adjustment mode window sill be displayed. 

Key Function in the Service Mode.

[1]. Screen adjustment mode ON/OFF :  -/-- button on the remote.
[2] Test signal selection: Power button on the remote.
[3] Selection of adjustment items : Channel UP/DN buttons on the remote.
[4] Change of data value : Volume Up/Dn on the remote.
[5] Adjustment Menu Mode ON/OFF : Menu button on TV.
[6] Initilisation of memory : [Call + Channel UP button on TV] (Never try to perform initilization unless you have changed the memory IC.  If memory IC has changed, this must be done)
[7] Reset the count of operating
protect circuit to "00" : [Call + Channel DN button on the TV
[8] "RCUT" selection : Digit 1 on remote.
[9] "GCUT" selection : Digit 2 button on remote.
[10] "BCUT" selection : Digit 3 button on remote.
[11] "SCNT" selection : digit 4 button on remote.
[12] "COLP" seelection : digit 5 on the remote control (Color Thickness Correction)
[13] "TNTC" selection ; digit 6 button on remote. [Displayed differently as COLP[PAL]; COLC[NTSC]; COLS[SECAM].
[14] "TNTC" selection : digit button 6 on remote.
[15] Convergence adjustment : 'Yellow" button on remote.
[16] Self diagnostic display ON/OFF : Digit 9 button on remote.

Selecting the adjusting items.

*For every pressing of "Channel UP" button in the service mode, changes the adjustment items.
**Pressing "Vol UP/DN" will change the data value in the range from (00H to FFH). The range will depend on adjusting item.

*** To "Exit" from service menu, switch OFF the TV by its front panel power ON/OFF switch.

Method for Initilization of memory data, after memory replacement

* Enter the service mode, and select any register item.
** Press and Hold "CALL" button on the remote control, and then press the 'CH UP" button on the tv. The initilization will be completed.
*** Check an 'Auto Search Memory" option [refer to user manual], and make confirm that the set will work with it well.