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– 5 –

Device acknowledge is used to check IIC errors. Device acknowledge is checked by sending an IIC start sequence during CRT power

on. Each device is checked three times, if there is no acknowledge after each attempt, it will be regarded as an error.

There are three steps to check for errors.

1. IIC line 0

If all devices except the NVM have errors, IIC line 0 error is displayed.

2. Board check

If all devices mounted on one board have errors, board error is displayed.

3. Each device check

if IIC line error and board error are not detected then the device with an error is displayed.

The detected errors can be displayed as follows:

1. Error Monitor Menu

2. Error Reader

The error monitor menu is displayed by selecting TT33. The following menu will be displayed:

1

Operating Time :

Stored Errors :

1. A-Board

Current Error :

Start Error Sequence

2. B3-B  CXA2100  MID
3. J-B  CXA2123  Main Col Dec
4. Error Code Not Valid
5. Error Code Not Valid

Ignore Errors

OFF

000021 h  40 min

ON

ON

– 6 –

The error reader display is connected to the service connector to read actual error codes. The part number for the error reader display

is S-188-900-10.

Once an error has been detected it will then be displayed on the two digit error reader. The errors displayed refer to the following table:

Send Data to Error Reader

Error Code

Data High

Data Low

Error Type

Function

00 00h

–

f0h

no device

00 01h

f0h

01h

IIC 0 line

00 02h

f0h

02h

IIC 1 line

not used

01 00h

f1h

00h

A Board

04 00h

f4h

00h

B3 Board

06 00h

f6h

00h

E Board

07 00h

f7h

00h

J/S Board

08 00h

f8h

00h

M Board

A Board

01 01h

f1h

01h

CXA1875

Port Expander

01 02h

f1h

02h

TU1301

Main Tuner

01 03h

f1h

03h

TU1302

Sub Tuner

B3 Board

04 01h

f4h

01h

CXD9509

MID

E Board

06 01h

f6h

01h

CXA2100

Backend

J Board

04 04h

f4h

04h

TDA9178

Picture Booster

07 01h

f7h

01h

CXA2057

Auto Wide

07 03h

f7h

03h

CXA2123

Sub Colour

07 04h

f7h

04h

CXA2123

Main Colour

07 0Ah

f7h

0Ah

CXA2149

AV SW

S Board

07 05h

f7h

05h

CXA1875

Sub Sound

 07 08h

f7h

08h

MSP3410D

Sound Proc

M Board

08 01h

f8h

01h

ST24C32

NVM

–

 7 
–

One Remote Control 

(RM-903)

Two batteries (R6 type)

Overview

Programme up
or down buttons 
(selects TV channels)

/Off Switch 

Selecting

input source

Auto

Convergence

button

Volume control

buttons

Press on the mark 

, on the front

of the projection TV to reveal the front 

buttons.

Standby  indicator

S Video

Input jack

Video Input

jack 

Audio Input 

jacks

Headphone

jack

S

RM 903 

PROGR

MENU

VIDEO

TV

VIDEO

TV

VTR 1 2 3 4  DVD

CH

Resetting to factory set levels
Press the to return the picture and sound 
settings to factory set levels. This will also 
return the set to the install condition, the 
“Auto Tuning” menu will appear on the 
screen, refer to the section “Switching on the 
set and automatically Tuning” (step 4) of this 
manual.

VCR on/off
Press to switch your VCR on or off.

Muting the Sound 
Press to mute TV sound.
Press again to restore the sound.

Selecting TV mode 
Press to switch off Teletext or video input.

PAP (Picture And Picture) 
For more details, please refer to the section 
"Using PAP (Picture And Picture)".

Selecting Teletext
Press to switch on Teletext.

Displaying EPG
Press to display the Electronic Programme 
Guide (EPG). Press again to switch off EPG.

Freezing the picture
Press to freeze the picture. Press again to 
return to the normal picture.

Selecting channels
Press to select channels.

For double-digit programme numbers, e.g. 
23, press -/-- first, then the buttons 2 and 3.
If you enter an incorrect first digit, this 
should be corrected by entering another digit 
(0-9) and then selecting -/-- button again to 
enter the programme number of your choice.

Selecting Sound mode
Press repeatedly to change the sound mode.

Selecting Picture mode
Press repeatedly to change the picture mode.

Adjusting TV Volume
Press to adjust the volume of the TV.

Displaying the time
Press to switch the time on or off 
(available only when teletext is 
broadcast).

VCR operation
For more details, please refer to the 
section "Remote Control of other
Sony Equipment".

Besides TV functions, all coloured buttons as well as green 
symbols are also used for Teletext operation. For more details, 
please refer to the "Teletext" section of this instruction manual.

Overview

To Temporarily Switch Off
Press to temporarily switch off TV (the standby 
indicator

on the set lights up in red). Press

again to switch on TV from standby mode.

After 15-30 minutes without a signal and 

without any button being pressed, the set 
switches automatically into standby mode.

Displaying On Screen Information
Press to display all on-screen indications.
Press again to cancel.

Selecting Input source
Press repeatedly until the desired input symbol of 
the source appears on the screen.

Back to the channel last watched
Press to watch the last channel selected (watched for 
at least 5 seconds).

Selecting Screen format
Press repeteadly to change the format of the screen 
(for more details, please refer to the section 
“Changing the Screen format”).

Displaying Multi PIP (Picture In Picture)
Press to display Multi PIP mode. Press again to 
cancel.

Joystick for menu selection
• When MENU is switched on:

4

Scroll Up

$

Scroll Down

Z

Previous menu or selection

z

Next menu or selection

OK  Confirms your selection

• When MENU is switched off:

Z

Return to the last menu screen.

OK Shows a channel overview

Selecting channels
Press to select the next or previous channel.

Displaying the menu system
Press to display the menu on the screen. Press again 
to remove the menu display from the screen.

–

 8 
–

The first time you switch on your TV, a sequence  of menu screens appear on the TV enabling you to 1) choose the language
of the menu screen, 2) choose the country  in which you wish to operate the set, 3) search and store all available channels

 

(TV Broadcast) and 4) change the order in which the channels (TV Broadcast) appear on the screen.
However, if you need to change the language menu, change the country, change or repeat the tuning (e.g. when you move

 house) or rearrange the order of the channels, you can do that by selecting the appropriate menu in the 

 (Set Up)

.

Connect the set plug to the mains socket (220-240V AC, 50 Hz). Press 

the

/off button on your set to switch on. The first time you press 

this button the Language/Country menu displays automatically on 
the screen.

Push the joystick on the remote control 

$ or 4 to select the language,  

then press OK to confirm your selection. From now on all the menus 
will appear in the selected language.

Push the joystick 

$ or 4 to select the country in which you will 

operate the set, then press OK to confirm your selection.

If the country in which you want to use the TV set does not 
appear in the list, select “-” instead of a country.

If you are operating the projection TV in the UK, we
reccommend you not to select "Off". Otherwise the On Screen 

clock will not show the correct UK time.

The Auto Tuning menu appears on the screen in the selected 

language, then press the OK button on the remote control to select 
Yes

.

A new menu appears automatically on the screen asking you to
check that the aerial is connected. Confirm that the aerial is connected 

and then press the OK button to start the automatic tuning.

• The TV starts to automatically search and store all available    

channels (TV Broadcast) for you.

• If you have selected the “Off” option in the Country menu and 

you activate autotuning again, the TV Broadcasts will be 
stored from the programme number selected at that time.

This procedure could take some minutes. Please, be patient and    
do not press any button. Otherwise the automatic tuning will
not be completed.

   

continued...

First Time Operation

Language/Country

Language

Country

Select Language:

Confirm: OK

4  

 Italiano

Français

Español

English

Deutsch

Dansk

Č

e

š

tina

Language/Country

Language

Country

Select Language:

Confirm: OK

4  

 Italiano
Français
Español

English

Deutsch

Dansk

Č

e

š

tina

Language/Country

Language

Country

Select Language:

Confirm: OK

4  

 Italiano

Français

Español

English

Deutsch

Dansk

Č

e

š

tina

Language/Country

Language

Country

Select Country:

Confirm: OK

4  

 Finland

Denmark

Czech Rep.

Bulgaria
Belgium

Austria

Off

Do you want to start
automatic tuning?

Yes: OK      No:

Please confirm that
aerial is connected!

Yes: OK      No:

1
2
3
4
5

CO2
CO3
CO4
CO7
CO8

Searching...

S

RM 903

PROGR

MENU

TV

VIDEO

Make  sure  you  insert  the  batteries  using  the  correct
polarities.

Always  remember  to  dispose  of  used  batteries  in  an
environmental friendly way.

Connecting cables are not supplied.

VCR

The Scart lead is optional.
If you use this optional connection it can improve picture and sound quality when using a VCR.

If you do not use a SCART lead, after automatically tuning the projection TV refer to the "Manually Tuning the TV" 
section of this instruction manual, to tune in the set to the output of your VCR. Also refer to your VCR instruction manual 
to find out how to find the output channel of your VCR.

OUT

IN

Installation