Toshiba 26A3000P Schematic

LCD Color Television

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26A3000P

Ver. 2.00

ADJUSTMENT

↓↓↓↓

↓↓↓↓

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Service Mode

Entering to Service Mode

1. Set VOLUME to minimum and press
button once on remote control.

Service Mode display

2. Press button again and hold button down.

3. While holding the button, press MENU
button on TV set.

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Displaying the Adjustment Menu

Press MENU button on TV.

Service Mode

Press

Adjustment Mode

↑↑↑↑ ↓↓↓↓

Press

Key Function in the Service Mode

The following key entry during display of adjustment menu provides special functions.

CAUTION: Never try to perform initialization unless you have changed the

memory IC.

button (on remote control)

Never adjust H.POS and V.POS except PAL/WIDE mode.

Test signal selection

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Selection of the adjustment items CH (on TV or remote control)

Change of the data value Volume +/- (on TV or remote control)

Adjustment menu mode ON/OFF MENU button (on TV)

Initialization of the memory (QA02) CALL + CH button on TV

Reset the count of operating

protect circuit to "00"

Turn off I2C bus communication CALL + Volume + button on TV

"RCUT" selection 1 button

"GCUT" selection 2 button

"BCUT" selection 3 button

"CNTX" selection 4 button

"COLC" selection 5 button

"UVTT" selection 6 button

Automatic A/D Adjustment

(PC, Component, Composite (PAL, NTSC))

Self diagnostic display ON/OFF 9 button

CALL + CH button on TV

7 button

Selecting the Adjusting Item

Every pressing of CH button in the service mode changes the adjustment items in the
order of table below. ( button for reverse order)

SETTING & ADJUSTING DATA

[ SERVICE MODE ]

ADJUSTING ITEMS AND DATA IN THE SERVICE MODE:

Note:

The image system data of RCUT-BDRV is different by each image format.

The PAL value is indicated in the table.

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Item Name of adjustment

RCUT R CUT OFF

GCUT G CUT OFF

BCUT B CUT OFF

RDRV R DRIVE

GDRV G DRIVE

BDRV B DRIVE

BRTC BRIGHTNESS CENTER

COLC COLOR CENTER

UVTT BASE BAND TINT

CNTX CONTRAST MAX

VOLUX MAX VOLUME LIMITED

PLLW0 PLL WAIT TIME

PLLW1 PLL WAIT TIME

PLLW2 PLL WAIT TIME

PLLW3 PLL WAIT TIME

PLLW4 PLL WAIT TIME

PLLW5 PLL WAIT TIME

OPT1 TV SET OPTION 1

OPT2 TV SET OPTION 2

OPT3 TV SET OPTION 3

OPT4 TV SET OPTION 4 (PANEL OPT DATA FOR VENDOR)

OPT5 TV SET OPTION 5 (PANEL OPT DATA FOR SIZE)

OPT6 TV SET OPTION 6 (HOTEL MODE)

OPT7 TV SET OPTION 7 (HOTEL MODE)

OPT8 TV SET OPTION 8 (HOTEL MODE)

TVOP TV SET OPTION

ID MODEL ID

BDWID BORDER WIDTH FOR EXACT SCAN

BDHIT BORDER HEIGHT FOR EXACT SCAN

FPLG MASK_ENABLE (SD/HD)

FPLG2 Channel LOGO Vector Clip SW (SD)

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FPLG3 Channel LOGO Vector Clip SW (HD)

Factory preset data will be loaded after setting Model ID data.

(Refer to Initialization of Memory Data of QA02 and setting data of signal board.)

Adjusting the Data

Pressing of VOLUME +/- button will change the value of data in the range from 00H to
FFH. The variable range depends on the adjusting item.

I2C Bus Off

Turn off I2C communication between IC700 and IC400.

1) Press and hold the CALL button on the remote control, then press the Volume
+ button on the TV.

2) Display "BUS Off" OSD.

3) I2C communication turned off.

Note:

To return Bus on status, press and hold the CALL button on the remote control, then press
the Volume + button on the TV again. TV will be turned off and automatically turned
on, then status will be Bus On.

Setting TVOP

Enter to service mode and select menu of TVOP by pressing P or P during display of
adjustment menu. After selecting TVOP, press + or - to set I2C check function to

disable or enable as below.

TVOP FUNCTION DESCRIPTION 1 0 (Normal)

D5 (bit5) I2C check between IC700 and IC400. (WDT) Disable Enable

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Setting Panel Option Data

Panel option data is subject to OP4 and OP5.
Enter to service mode and select menu of OPT4 or OPT5 by pressing P or P during

display of adjustment menu. After selecting OPT4 or OPT5, press + or - to set OPT4
or OPT5 value as table below.

Panel option data

Series Model name Panel vendor OPT4 value OPT5 value

A3000 EU Digital/Ready 26A3030D/A3000P LPL 0x01 0x03

IPS 0x07 0x03

32A3030D/A3000P LPL 0x01 0x05

IPS 0x07 0x05

37A3030D/A3000P LPL 0x01 0x06

IPS 0x07 0x06

42A3030D/A3000P LPL 0x01 0x07

OP4

Ex. OPT4 value 0x05 indicates that panel vendor is AUO AMVA.

OPT4

Panel vendor LPL - - - - 0 0 0 1

SHP - - - - 0 0 1 0

CMO - - - - 0 0 1 1

AUO PMVA - - - - 0 1 0 0

D7

(bit7)

D6

(bit6)

D5

(bit5)

D4

(bit4)

D3

(bit3)

D2

(bit2)

D1

(bit1)

(bit0)

D0

AUO AMVA - - - - 0 1 0 1

SAMSUNG - - - - 0 1 1 0

IPS - - - - 0 1 1 1

OP5

Ex. OPT5 value 0x05 indicates that panel size is 32.

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OPT5

Size 32 - - - - 0 1 0 1

37 - - - - 0 1 1 0

42 - - - - 0 1 1 1

D7

(bit7)

D6

(bit6)

D5

(bit5)

D4

(bit4)

D3

(bit3)

D2

(bit2)

D1

(bit1)

(bit0)

Convert from Bit (Binary) to Hex

The table for converting from bit (D7-D0) to hex (0x**).

BIT (Binary)

High nibble

Low nibble

D7 D6 D5 D4

D3 D2 D1 D0

D0

HEX

0

1

2

3

4

5

6

7

8 1

9 1

A 1

B 1

C 1 1

D 1 1

0 0 0 0

0 0 0

0 0

0 0

0

0

0

0

1

1 1

1

1

1 1

1 1 1

0 0 0

0 0

0

0

0 0

0

1

1 1

0 0

0

1

0

1

0

1

0

1

E 1 1 1

F 1 1 1 1

0

E.g. If Bit D7-0 = 0101 1010, Hex data is 0x5A.

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Exit from Service Mode

Pressing POWER button to turn off the TV once.

Initialization of Memory Data of QA02 and Setting Data of Signal Unit

After replacing QA02 or signal board, the following initialization is required.

CAUTION: Never attempt to initialize the data unless QA02 has been

replaced.

Whenever using new signal board to the set, setting the Model ID data

according to Panel option data.

1) Enter the service mode.

2) Select menu of ID by pressing P or P during display of adjustment menu in the
service mode.

3) Change ID data into MODEL ID to initialize by pressing + or -., refer to table
below.

4) Press and hold the CALL button on the remote control, then press the CHANNEL
button on the TV.

5) Initialization progress dialog including model name and panel vendor is shown.

Progress status is "WRITING".

6) Progress status is changed "OK" and power cycle (automatically). Then QA02

initialization has been completed.

7) Enter the service mode and select version check mode. Confirm if model name and

model id set is correct. If not, repeat steps 1) to 6).

Note:

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In case initialization by setting wrong MODEL ID is done, there is a possibility of

abnormal display.

8) Set I2C check function of TVOP to enable.

9) Check the picture carefully. If necessary, adjust any adjustment item above.

Perform "Auto tune" on the owner's manual.

MODEL ID (HEX) Model name Panel vendor

0x01 26A3000P LPL

0x02 26A3000P IPS

0x03 32A3000P LPL

0x04 32A3000P IPS

0x05 37A3000P LPL

0x06 37A3000P IPS

0x07 42A3000P LPL

0x08 26A3030D LPL

0x09 26A3030D IPS

0x10 32A3030D LPL

0x11 32A3030D IPS

0x12 37A3030D LPL

0x13 37A3030D IPS

0x14 42A3030D LPL

0x15

0x16

0x17

0x18

0x19

0x20

0x21

0x22

0x23

0x24

0x25

0x26

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0x27

0x28

0x29

0x30

0x31

0x32

0x33

Initializing Data setting flowchart after replacing the Signal Unit

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Test Signal Selection

Every pressing of button on the remote control changes the built-in test patterns on

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screen as described below in Service Mode.

Picture Signal

Red raster

Green raster

Blue raster

All Black

All White

Self Diagnostic Function

1. Press "9" button on remote control during display of adjustment menu in the service

mode. The diagnosis will begin to check if interface among IC's is executed properly.

2. During diagnosis, the following displays are shown.

* Self check display and Item are subject to the models.

NG is abnormal (Red indication).

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(1) Firmware :

Version information of microprocessor

Series name (AAAA) and market area (BB) and software program version (0000)

(2) Time : Total hour of turn the TV on. (Unit : H)

(3) BL_STATUS :

Counter for saving BackLight on error.

This value is counted till 99 (Decimal).

(4) Bus line : -- "OK" is normal

SCL-GND (Red indication) : SCL-GND short circuit

SDA-GND (Red indication) : SDA-GND short circuit

SCL-SDA (Red indication) : SCL-SDA short circuit

(5) Bus cont : --- "OK" is normal.

When the abnormal status is detected, type name of semiconductor is

indicated in red colour.

(6) Block

UV : TV reception mode

V1 - V9 : VIDEO 1-9 input mode

PC : PC mode

YUV : YUV mode

DTV : DTV mode

UV RF

V1

(SCART (FULL))

1

2

V2 (SCART (S+AV))

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V3

(Component/Composite)

V4 HDMI1

V5 --

V6 --

V7 --

V8 --

V9 --

PC PC

YUV --

DTV --

3

Version Check Mode

1. Press "9" button twice on remote control during display of adjustment menu in the

service mode.

The version of main MPU will be checked.

2. During Version Check, the following displays are shown.

* Version check display and Item are subject to the models.

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(1) MAIN MPU :

Version information of microprocessor

Series name and Code Program Version (4 figure number) and OSD Version (2 figure

number).

(2) EEPROM :

Version information of EEPROM : Display 1 byte data.

(3) SUB MPU :

Version information of SUB MPU : Display 1 byte data.

(4) OPTION :

Option information : Display six numbers of 1 byte data.

(5) HDMI ID :

HDMI ID information : Display 4 byte data.

(6) SW Ver

Version information of DB software as Toshiba release. (Only digital model.)

(7) MW Ver

Left side is Application and UI version information of DB software. (Only digital

model.)

Right side is Firmware (Driver) version information of DB software. (Only digital

model.)

(8) A/D Adjust

NTSC (60 Hz) SD signal (composite input).

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A/D adjustment item.

--MAIN : It's enable only in double Window model. A/D adjustment status of main

picture.

--PIP : It's enable only in double Window model. A/D adjustment status of sub

picture.

--COMP : Component input

--PC : PC input

--NTSC :

--PAL : PAL (50 Hz) SD signal (composite input).

--OK : A/D adjustment set correctly.

--NG : A/D adjustment set incorrect.

-- : A/D adjustment is not needed. Because its picture format isn't used.

(9) 100 Hz FPGA Software Version

It's enable only in 100 Hz drive panel model.

Upper 2 figure number means function versions of double frequency convert.

Lower 2 figure number means function version of vector complement.

(10) Memory Data Version

Version information of EEPROM.

DRMA**** means model number of EEPROM.

REV** means version of EEPROM.

(11) CD number

CD information (ascii code). : Display 4 byte data.

(12) Model Name

Model name information (ascii code). : Display 7 byte data.

(13) LCD Panel Vendor information display

The following Panel Vendor (DDD) and screen size (00) are displayed.

Example : AUO-32 indicates that Vendor is AUO and Screen Size is 32 inch

Status Check Mode

1. Press "9" button thrice on remote control during display of adjustment menu in the

service mode.

The status of this model will be checked.

2. During Status Check, the following displays are shown.

* Status check display and Item are subject to the models.

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(1) MAIN :

Main source information :

Display RF position number (0 - 99) on the main screen, or Input Source

(EXT1/2/3/HDMI etc.)

(2) MAIN FORMAT :

Display Video and PC format information

(3) MAIN PLL :

Main PLL information : Display 1 byte data at five.

(4) SUB :

Sub source information :

Display RF position number (0 - 99) on the Sub screen, or Input Source

(EXT1/2/3/HDMI etc.)

This item displays only Double window model.

(5) SUB FORMAT :

Display Video and PC format information

This item displays only Double window model.

(6) SUB PLL :

Sub PLL information : Display 1 byte data at five.

This item displays only Double window model.

(7) SCREEN SIZE :

Display the screen size as follows.

Exact Scan

Wide

Super Live 2

Cinema 2

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4:3

Super Live 1

Cinema 1

Subtitle

14:9

Note:

Exact Scan is shown only for 1080p panel model with video input mode except pc.

(8) OTHER STATUS :

Other status information : Display three numbers of 2 byte data.

Setting Hotel Mode

Enter to service mode and select Hotel Mode menu by pressing P or P .
After selecting Hotel Mode, press + to enter details setting in Hotel Mode.

To select menu, press P or P and press OK to enter the adjustment menu of table bellow.
To move the cursor in the adjustment, press + or -.

1. By pressing P or P , OPT2 setting will change the value either 1 or 0 on selected
items as follows;

OP2

OPT2 FUNCTION DESCRIPTION 1 0 (Normal)

D7 (bit7) - (no use) - -

D6 (bit6) - (no use) - -

D5 (bit5) FRONT Key Disable Enable

D4 (bit4) All keys except input selector key

(Video/TV)

D3 (bit3) User remote control operation Disable

D2 (bit2) Disable SET UP MENU except Disable Enable

Disable Enable

Enable

(Service mode and Supere

User mode may possible to

setting only)

language.

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(tuning SETUP MENU)

D1 (bit1) Disable SETUP MENU Disable Enable

(Display the language only)

D0 (bit0) HOTEL Mode On (Enable the setting of D1

from to D7)

Off

(Normal)

VOLUX

Set VOLUX as following.

1) Set speaker volume to 100. (Any value is OK, but 100 is better to check sound level.)

2) Down value of VOLUX until finding suitable sound volume level.

VOLUX FUNCTION DESCRIPTION 1 0 (Normal)

D7 (bit7) ~

D0 (bit0)

Max Limiter of Volume Control 0x00 ~ 0x7F (Normal: 0x7C)

OP6

OPT6 FUNCTION DESCRIPTION 1 0 (Normal)

D7 (bit7) Enable mode that POS or VIDEO program

number will be appeared in forced when turn

ON the main power

D6 (bit6) ~

D0 (bit0)

POS or VIDEO program number 0 ~ 127 [decimal] (Normal: 0)

Enable Disable

POS number: 0 ~ 99

VIDEO number: 100 ~ 127

(DTV = 100, VIDEO = 101,

VIDEO = 102..)

100 is used as ATV when

DTV option is disable.

OP7

OPT7 FUNCTION DESCRIPTION 1 0 (Normal)

D7 (bit7) Enable mode that speaker volume will be set

in forced when turn ON the main power

Enable Disable

D6 (bit6) ~

Forced speaker volume 0 ~ 100 [decimal] (Normal: 0)

D0 (bit0) Value above 100 is no effect.

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OP8

OPT8 FUNCTION DESCRIPTION 1 0 (Normal)

D7 (bit7) ~

D3 (bit3)

D2 (bit2) Enable mode that picture mode will be set in

forced when turn ON the main power

D1 (bit1) ~

D0 (bit0)

Forced picture mode 0 [dec]: Dynamic (mode-1)

- (no use) - -

Enable

(Display the

language only)

(Normal)

1 [dec]: Standard (mode-2)

2 [dec]: Mild (mode-3)

3 [dec]: Memory (mode-M)

Disable

LED Indication

The Green and Red LEDs on the TV (at the bottom center of the TV) indicate the TV's

status, as described below.



Red ON (solid) and Green OFF = The TV power cord is plugged in.



Green ON (solid) and Red ON = The On timer is operating.

1 Green is OFF;

Red blinks continuously at 0.5-

second intervals.

2 Green is OFF;

Red blinks continuously at 1-

second intervals.

LED Indication Condition Solution

Abnormal operation Turn OFF the TV and unplug

the power cord.

Plug the power cord in again

and turn ON the TV.

Abnormal operation of

BUS line.

Turn OFF the TV and unplug

the power cord.

Plug the power cord in again

and turn ON the TV.

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FUNCTION AND OPERATION

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The Remote Control

Simple at-a-glance reference of your remote control.

FUNCTION AND OPERATION

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Controls and Input Connections

A wide variety of external equipment can be connected to the input sockets on the side of the

television.

Whilst all the necessary adjustments and controls for the television are made using the remote

control, the buttons on the television may be used for some functions.

Switching On

Using the Controls and Connections

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FUNCTION AND OPERATION

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Tuning the Television Using Quick Setup, Sorting
Programme Positions

Before switching on the television put your decoder and media recorder to

are connected.

To set up the television use the buttons on the remote control.

Standby

if they

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FUNCTION AND OPERATION

. For example: if the television

To allocate a programme position on the television for a decoder and media recorder: turn the

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Manual Tune

The television can be tuned-in manually using

Manual tuning

cannot be connected to a media recorder/decoder with a SCART lead or to tune-in a station

on another

Use

left

and

System

.

to move across the screen and select any of these Manual Tune options.

right

Programme : The number to be pressed on the remote control.

System : Specific to certain areas.

Colour system : Factory set to Auto, should only be changed if problems are

experienced, i.e. NTSC input from external source.

Programme skip :

Channel : The channel number on which a station is being broadcast.

means nothing has been stored or the facility to skip

the channel is ON.

Search : Search up and down for a signal.

Manual fine tuning : Only used if interference/weak signal is experienced.

Station : Station identification. Use up or down and left or right to enter

up to seven characters.

decoder on, insert a pre-recorded film in the media recorder and press PLAY, then manually

tune.

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