HOW TO ENTER TO SERVICE MODE AND MAKE ADJUSTMENTS TO TOSHIBA 26HL84 - LCD TV
TO ENTER SERVICE MODE
- Press the "Mute" button once on the remote control, (1/2) mute will be displayed on the screen.
- Press 'Mute' button again; 'Mute" is displayed on the screen.
- While pressing "Mute" button on the [TV] set, press 'Mute' button on the remote control. "S" will be displayed on the screen, indicating that the set is now in Service Mode.
- Press 'Menu" button on the remote control, adjustment item will be displayed on the screen. Adjustment items may be changed by pressing 'Ch Up | Ch Dn' buttons on the remote control.
- To "EXIT" from service mode, turn the Power OFF by the power switch on the TV set.
When press the 'Input' source selection button on the remote control
during service mode, will generate the built-in test video signal for
servicing.
- Built-in test video signal: General broadcasting signal => Red Monochorme => Green Monochrome => Blue monochrome => White Signal => Black Cross Bar => Built-in signal Off.
For the video system adjustment, never attempt to initialize the data unless initial setting data is exceed incorrectly.
- Brightness Correction: [BRTC] = Receive a general broadcasting program, then press the "Menu" button on the remote control, set the unicolour to minimum (00), and brightness to standard (00) in order to display the 'Setting Menu => "Picture Setting" => Picture adjustment" by pressing the cursor ( < ) ( < ) and [Up] [Dn] buttons.
- Select BRTC using cursor buttons Ch Up / Ch Dn on the remote control, fine adjust black signal to be black using Vol Up / Vol Dn buttons on the remote control. After the adjustment, set 'Unicolor' back to initialize data.
- White Balance => Enter the Service Mode, press 'Input' source setting button on the remote control to generate built-in white signal. Adjust the data items RCUT, GCUT & BCUT for proper white balanced picture in lo-light area. [For hi-light area, GDRV and RDRV should be adjusted for proper white-balanced picture.
SELF DIAGNOSIS FUNCTION
- Press [9] button on the remote control during display of adjustment menu in service mode
- During diagnosis, display will be
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NO 12345678 => part number of microprocessor.
POWER: 000 => Operation number
of protecting circuit "00" is normal. When indication other than "00",
over current is apt to flow, and circuit parts may possibly be damaged.
BUS LINE: OK => "OK' is normal. When indication shows "NG"[Green: OK, Red: NG]; the bus line may possibly be short - circuit
BUS CONT; OK => 'OK' is normal. When indication shows "Q uuu(Green: OK, Red; NG); the device with number be possibly damages.
BLOCK: MAIN SUB | MAIN: Main picture display -- Green indication. Main picture does not display -- Red indication.
SUB: Sub picture display --- Green indication. Sub picture does not display --- red indication.
SET ID: 01 => ID number of the unit.
EEP VER: 02 => EEP of soft version information.
OPT 1: 05 OPT 2: 70
SW VER: LCD/May 9 2003 18:29:58
DVI BEP
=> DVI number information. DVI ERR CODE: DVI status code number.
BEP SW VER: Software version information for BEP processor. BEP E2P
VER: Software version information for BEP E2P.
NO 2300 SW VER: OC
ERR CODE: 01 E2P VER: 10
TIME: 05 => Total Hour of Turn the TV On.
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NATIONALIZATION OF SELF DIAGNOSTIC DATA
- Enter the service mode, and select any register item.
- Press and Hold "Recall" button on the remote control, then press "Channel Up" button on the TV. The initialization has been completed
