Sony KV-25FX30, KV-29FX30 Service manual

SERVICE MANUAL

FE-2

CHASSIS

MODEL

KV-25FX30B KV-25FX30E KV-25FX30K

COMMANDER DEST CHASSIS NO.

RM-887 FR SCC-Q54H-A

RM-887 ESP SCC-Q53J-A

RM-887 OIRT SCC-Q51K-A

MODEL

KV-29FX30B KV-29FX30E KV-29FX30K

COMMA NDER DEST CHASSIS NO.

RM-887 FR SCC-Q54J-A

RM-887 ESP SCC-Q53K-A

RM-887 OIRT SCC-Q51L-A

RM-889

TABLE OF CONTENTS

Section Title Page Section Title Page

Specifications .................... 3

Connectors .................... 4

Self Diagnostic Software .................... 5

1. GENERAL

Switching On the TV and

Automatically Tuning .................... 6

Introducing the Menu System .................... 7

T eletex t .................... 10

Connecting Optional Equipment.................... 10

Specifications .................... 11

Troubleshooting .................... 11

2. DISASSEMBLY

2-1. Rear Cover Removal .................... 12

2-2. Chassis Removal .................... 12

2-3. A Board PWB Removal 1 .................... 13

2-4. A Board PWB Removal 2 .................... 13

2-5. Service Position .................... 13

2-6. Picture Tube Remov al .................... 14

Bottom Plates .................... 15

3. SET-UP ADJUSTMENTS

3-1. Beam Landing .................... 16

3-2. Convergence .................... 17

3-3. Focus Adjustment .................... 19

3-4. Screen (G2), White Balance .................... 19

4. CIRCUIT ADJUSTMENTS

4-1. Electrical Adjustments .................... 20

4-2. T est Mode 1 .................... 22

4-3. T est Mode 2 .................... 22

5. DIAGRAMS

5-1. Block Diagrams .................... 23

5-2. Circuit Board Location .................... 26

5-3. Schematic Diagrams and

Printed Wiring Boards .................... 26

* C Board .................... 27

* A Board .................... 30

5-4. Semiconductors .................... 33

5-5. IC Blocks .................... 35

6. EXPLODED VIEWS

6-1. Chassis .................... 36

6-2. Picture Tub e .................... 37

7. ELECTRICAL PARTS LIST .................... 38

CAUTION

SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR THE CARBON PAINTED ON THE CRT, AFTER REMOVAL OF THE ANODE CAP.

WARNING !!

AN ISOLATION TRANSFORMER SHOULD BE USED DURING ANY SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD DUE TO LIVE CHASSIS, THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTED TO THE POWER LINE.

SAFETY-RELATED COMPONENT WARNING !!

COMPONENTS IDENTIFIED BY SHADING AND MARKED THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

ATTENTION

APRES AVOIR DECONNECTE LE CAP DE’LANODE, COURT-CIRCUITER L’ANODE DU TUBE CATHODIQUE ET CELUI DE L’ANODE DU CAP AU CHASSIS METALLIQUE DE L’APPAREIL, OU AU COUCHE DE CARBONE PEINTE SUR LE TUBE CATHODIQUE OU AU BLINDAGE DU TUBE CATHODIQUE.

ATTENTION !!

AFIN D’EVITER TOUT RISQUE D’ELECTROCUTION PROVENANT D’UN CHÁSSIS SOUS TENTION, UN TRANSFORMATEUR D’ISOLEMENT DOIT ETRE UTILISÈ LORS DE TOUT DÈPANNAGE LE CHÁSSIS DE CE RÈCEPTEUR EST DIRECTMENT RACCORDÈ Á L’ALIMENTATION SECTEUR.

ATTENTION AUX COMPOSANTS RELATIFS Á

LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE MARQUE EXPLOSÈES ET LES LISTES DE PIECES SONT D’UNE IMPOR-

TANCE CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT, NE LES REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS DES SUPPLÈMENTS PUBLIÈS PAR SONY.

SUR LES SCHÈMAS DE PRINCIPE, LES VUES

LA SECURITÈ!!

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21 pin connector

Pin No 1 2 4 Signal Signal level

1 Audio output B

3 4 Ground (audio) 5 Ground (blue) 6 Audio input A

7 Blue input 0.7 +/- 3dB, 75 ohms positive

8 Function select

9 Ground (green) 10 Open 11 Green Green signal : 0.7 +/- 3dB, 75 ohms,

12 Open 13 Ground (red) 14 Ground (blanking)

_ (S signal Chroma

16 Blanking input

17 Ground (video

18 Ground (video

19 Video output 1V +/- 3dB, 75ohms, positive sync 0.3V

_ Video input

21 Common ground

(right)

Audio output B (right)

Audio output A (left)

(left)

(AV control)

_ _ Red input 0.7 +/- 3dB, 75 ohms, positive

input)

(Ys signal)

output)

input)

_ _ Video input 1V +/- 3dB, 75ohms, positive sync 0.3V

Y (S signal)

(plug, shield)

Standard level : 0.5V rms Output impedence : Less than 1kohm*

Standard level : 0.5V rms Output impedence : More than 10kohm*

Standard level : 0.5V rms Output impedence : Less than 1kohm*

Standard level : 0.5V rms Output impedence : More than 10kohm*

High state (9.5-12V) : Part mode Low state (0-2V) : TV mode Input impedence : More than 10K ohms Input capacitance : Less than 2nF

positive

0.3 +/- 3dB, 75 ohms, positive

High state (1-3V) Low state (0-0.4V) Input impedence : 75 ohms

(-3+10dB)

1V +/- 3dB, 75ohms, positive sync 0.3V (-3+10dB)

Connected Not Connected (open) * at 20Hz - 20kHz

Rear Connection Panel Front Connection Panel

S-Video

socket

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FE-2 SELF DIAGNOSTIC SOFTWARE

The identification of errors within the FE-2 chassis is triggered in one of two ways :- 1: Busy or 2: Device failure to respond to IIC. In the event of one of these situations arising the software will first try to release the bus if busy (Failure to do so will report with a continuous flashing LED) and then communicate with each device in turn to establish if a device is faulty . If a de vice is found to be faulty the relev ant device number will be displayed through the LED (Series of flashes which must be counted) See table 1., non fatal errors are reported using this method. Each time the software detects an error it is stored within the NVM. See Table 2.

Table 1

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desUtoN30

cnySlacitreVoN40

norewoptarorrERKI50

norewoptawolsenilatadro/dnakcolcsubCII60

norewoptaegdelwonkcasubCIIonMVN70

desUtoN80

norewoptaegdelwonkcaonrenuT90

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Flash Timing Example : e.g. error number 3

StBy LED

ON ON ON

How to enter into Table 2

DEL

edoC

1. T urn on the main power switch of the TV set and enter into the ‘Stanby Mode’.

2. Press the following sequence of buttons on the Remote Commander.

(ON SCREEN (DIGIT 5) (VOLUME -) (TV) DISPLAY)

3. The following table will be displayed indicating the error count.

Table 2

UNEMRORRE

OFF

20E 30E 40E 50E 60E 70E 80E 90E 01E 11E

SRUOH

SETUNIM

PCO

A/NPVO

CNYSV

RKI

CII

MVN

ELGNUJ

RENUT

PDNUOS

EMITGNIKROW

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Note: T o clear the error count data press ‘80’ on the Remote commander.

SECTION 1 GENERAL

Yes

automatic tuning?

Do you want to start

Auto Tuning

System: B/G

Programme: 01

Channel: C21

This procedure could take some minutes. Please be

The Auto Tuning menu appears on the screen. Press the

OK button to select Yes.

The TV starts to automatically search and store all

available channels (TV Broadcast) for you.

Confirm

No channel found

Searching...

patient and do not press any button. Otherwise the

Please connect aerial

In the case that any channel have been found after

the auto tuning process is completed, a new menu

appears automatically on the screen asking you to

connect the aerial. Please connect the aerial (see

page 6) and press OK. The auto tuning process will

start again.

automatic tuning will not be completed.

Programme Sorting

Programme:

After all available channels are captioned and stored,

the Programme Sorting menu appears automatically

01 TVE

02 TVE2

03 TV3

04 C33

05 C27

06 C58

Select channel:

Exit:

If you do not wish to change the channel order, go to

If you wish to change the channel order:

step 8.

on the screen enabling you to change the order in

which the channels appear on the screen.

Programme Sorting

Programme:

01 TVE

02 TVE2

03 TV3

04 C33

05 C27

06 C58 05 C27

Select new position:

Exit: MENU

number with the channel (TV Broadcast) you wish

programme number position for your selected

1 Press the or button to select the programme

2 Press the or button to select the new

to rearrange, then press the button.

the order of the other channels.

3 Repeat steps b)1 and b)2 if you wish to change

channel (TV Broadcast), then press .

Press the MENU button to remove the menu from the

screen.

Your TV is now ready for use

First Time Operation

The operating instructions mentioned here are partial abstracts from the ‘Operating

Instruction Manual’. The page numbers of the ‘Operating Instruction Manual’ remain

as in the manual.

i4Svenska

Norsk

English

Nederlands

Français

Italiano

Language

The first time you switch on your TV, a sequence of menu screen 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 TV, 3) adjust the picture slant 4) search and store all available channels (TV

Broadcast) and 5) change the order in which the channels (TV Broadcast) appear on the

screen.

However, if you need to change any of these settings, you can do that by selecting the

appropriate option in the (Set Up menu) or by pressing the Auto Start Up Button

on the TV set.

50Hz)

Connect the TV plug to the mains socket (220-240V AC,

Switching On the TV and Automatically Tuning

displays automatically on the TV screen.

Press the on/off button on the TV set to turn on the TV.

The first time you press this button, a Language menu

Press the or button on the remote control to select

Select Language:

selection. From now on all the menus will appear in the

selected language.

the language, then press the OK button to confirm your

i4Sverige

Norge-Italia

Deutschland

Österreich

Country

screen. Press the or button to select the country in

which you will operate the TV set, then press the

button to confirm your selection.

The Country menu appears automatically on the TV

Select country:

Adjust now

Not necessary

adjust picture rotation

If picture slants, please

menu allows you to correct the

country.

• If the country in which you want to use the TV set

does not appear in the list, select “-” instead of a

Picture Rotation

necessary and press OK.

If it is not necessary, press or to select Not

Because of the earth’s magnetism, the picture might slant.

The

picture slants if it is necessary.

to store.

then press OK and correct any slant of the picture

between –5 and +5 by pressing or . Finally press

If it is necessary, press or to select Adjust now,

continued...

First Time Operation

stay the same, independent of the

broadcast signal (e.g. in the case of

advertisements).

continued...

SOUND ADJUSTMENT

The “Sound Adjustment” menu allows you to

alter the sound adjustments.

To do that: after selecting the item you want to

alter, press . then press repeatedly /

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Level 1 Level 2 Level 3 / Function

/ or to adjust it and finally press OK

to store the new adjustment.

Sound Adjustment

Mode: Personal

Treble

Bass

Balance

Reset

Dual Sound: Mono

Detail Adjustment

Sound Adjustment

Mode: Personal

Treble

Bass

Balance

Reset

Dual Sound: Mono

Detail Adjustment

This menu also contains two submenus as following:

Spatial: Acoustic sound effect.

Rock

Pop

Jazz

Mode Personal (for individual settings)

Detail Adjustment Sound Effect: Off: Normal.

On: Volume level of the channels will

Auto volume: Off: Volume channel changes according

to the broadcast signal.

On: Sound from the TV set.

TV Speakers: Off: Sound from external amplifier

connected to the audio outputs on

the rear of the TV set.

• Treble and Bass can only be altered if “Personal” mode is selected.

2 or Mono for mono channel if available. For a stereo broadcast you can choose Stereo or Mono.

• Select Reset and press OK to reset the sound to the factory preset levels.

• In case of a bilingual broadcast select Dual Sound and set A for sound channel 1, B for sound channel

Menu System

//or.

Your TV uses an on-screen menu system to guide you through the operations. Use the

following buttons on the Remote Control to operate the menu system:

Introducing and Using the Menu System

Press the MENU button to switch the first level menu on.

• To highlight the desired menu or option, press or.• To enter to the selected menu or option, press .

• To return to the last menu or option, press

• To alter settings of your selected option, press

• To confirm and store your selection, press OK.

Press the MENU button to remove the menu from the screen.

Level 1 Level 2 Level 3 / Function

Menu Guide

or to adjust it and finally press OK to

store the new adjustment.

PICTURE ADJUSTMENT

The “Picture Adjustment” menu allows you to

alter the picture adjustments.

To do that: after selecting the item you want to

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

This menu also allows you to customise the

alter press , then press repeatedly / /

continued...

Menu System

Personal (for individual settings).

Live (for live broadcast programmes).

Movie (for films).

picture mode based on the programme you are

watching:

• Brightness, Colour and Sharpness can only be alterated if “Personal” mode is selected.

• Hue is only available for NTSC colour signal (e.g: USA video tapes).

• Select Reset and press OK to reset the picture to the factory preset levels.

PROGRAMME SORTING

The “Programme Sorting” option in the “Set

Up” menu allows you to change the order in

which the channels (TV Broadcast) appear on

the screen.

To do that: after selecting the option, press

and then proceed in the same way as in step 7 b)

of the section “Switching On the TV and

Automatically Tuning”.

PROGRAMME LABELS

press or to select the programme

number with the channel you wish to name.

column highlighted, press or to select

a letter or number (select “-“ for a blank), then

press to confirm this character. Select the

other four characters in the same way. Finally

The “Programme Labels” option in the “Set

Up” menu allows you to name a channel using

up to five characters (letters or numbers).

To do that:

1 After selecting the option, press , then

2 Press . With the first element of the Label

press OK to store.

Scarts and AV3 for front connectors). Then

label (CABLE, GAME, CAM, DVD,

press .

press or to select the input source you

AV PRESET

The “AV Preset” option in the “Set Up” menu

allows you to designate a name to the external

equipment you have connected to the sockets of

this TV.

wish to name (AV1 and AV2 are for the rear

To do that:

1 After selecting the option, press , then

label:

a) If you want to use one of the 6 predefined

2 In the label column automatically appears a

continued...

VIDEO or SAT), press or to select

the desired label and finally press OK to

store.

Edit and press . Then with the first

element highlighted, press or to

select a letter, number or “-“ for a blank,

then press to confirm this character.

Select the other four characters in the same

way and finally press OK to store.

b) If you want to set a different label, select

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Level 1 Level 2 Level 3 / Function

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

Picture Adjustment

Mode: Personal

Contrast

Brightness

AV Preset

Manual Programme Preset

Detail Set Up

Colour

Sharpness

Hue

Reset

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

Menu System

continued...

Menu System

SLEEP TIMER

The “Sleep Timer” option in the “Timer” menu

allows you to select a time period for the TV to

switch itself automatically into the standby

mode.

To do that: after selecting the option press ,

then press or to set the time period delay

(max. of 4 hours) and finally press OK to store. • While watching the TV, you can press the

button on the remote control to display the

time remaining.

Timer

Sleep Timer: Off

Timer

Sleep Timer: Off

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Level 1 Level 2 Level 3 / Function

• One minute before the TV switches itself into

standby mode, the time remaining is displayed on

the TV screen automatically.

LANGUAGE / COUNTRY

The “Language/Country” option in the “Set

Up” menu allows you to select the language

that the menus are displayed in. It also allows

you to select the country in which you wish to

operate the TV set.

To do that: after selecting the option, press

and then proceed in the same way as in the

steps 2 and 3 of the section “Switching On the

TV and Automatically Tuning”.

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

AUTO TUNING

The “Auto Tuning” option in the “Set Up”

menu allows you to automatically search for

and store all available TV channels.

To do that: after selecting the option, press

and then proceed in the same way as in TV

steps 5 and 6 of the section “Switching On the

TV and Automatically Tuning”.

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

Manual Programme Preset

AV Preset

Detail Set Up

Manual Programme Preset

Detail Set Up

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

RGB CENTRING

When connecting an RGB source, such as a

“PlayStation”, you may need to readjust the

horizontal position of the picture. In that case,

you can readjust it through the “RGB Centring”

option in the “Detail Set Up”.

To do that: while watching an RGB source select

the “RGB Centring” option and press . Then

press or to adjust the centre of the

picture between –10 and +10. Finally press OK

to confirm and store.

OnTV0

PICTURE ROTATION

Because of the earth’s magnetism, the picture

might slant. In this case, you can correct the

pictures slant by using the option “Picture

Rotation” in the “Detail Set Up” menu.

To do that: after selecting the option, press .

Then press or to correct any slant of the

picture between -5 and +5 and finally press OK

to store.

OnTV0

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Level 1 Level 2 Level 3 / Function

Detail Set Up

Noise Reduction:

AV2 Output:

RGB Centring:

Picture Rotation:

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

Detail Set Up

Noise Reduction:

AV2 Output:

RGB Centring:

Picture Rotation:

AV Preset

Manual Programme Preset

Detail Set Up

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

Menu System

continued...

Menu System

Preset channels or a video input source one

MANUAL PROGRAMME PRESET

The “Manual Programme Preset” option in the

“Set Up” menu allows you to:

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Preset” option, press then with

by one to the programme order of your

Programme option highlighted press .

choice. To do that:

1 After selecting the ”Manual Programme

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Level 1 Level 2 Level 3 / Function

depending on the country you have

selected in the “Language/Country”

menu.

After selecting the System option, press .

Press or to select on which

programme number you want to preset the

channel (for VCR, select programme number

“0”). Then press .

2 The following option is only available

Detail Set Up

Broadcast system (B/G for western European

Then press or to select the TV

countries or D/K for eastern European

countries). Then press .

Then press or to select the channel

3 After selecting the Channel option, press .

cable channels). Next press . After that,

press the number buttons to enter directly the

channel number of the TV Broadcast or the

channel of the VCR signal. If you do not

know the channel number, press or to

search for it. When you tune the desired

channel, press OK twice to store.

tuning (“C” for terrestrial channels or “S” for

channels.

Repeat all the above steps to tune and store more

“PlayStation”**

CRVC

f C

Deco

Hi-

S VHS/Hi8/

DVC

camcorder

Using the following instructions, you can connect a wide range of optional equipment to

your TV set. (Connecting cables are not supplied).

Connecting Optional Equipment

RDVD V

8mm/Hi8/DVC

camcorder

Deco

Computer Entertainment, Inc.

Entertainment, Inc.

** “PlayStation” is a product of Sony Computer

** “PlayStation” is a trademark of Sony

Connecting a VCR:

continued...

:2/q

Smartlink is a direct link between the TV set and the VCR. For more information on

Smartlink, please refer to the instruction manual of your VCR.

If you use a VCR that supports Smartlink, please connect the VCR by using a Scart lead to

the Scart

To connect a VCR, please refer to the section “Connecting the aerial and VCR” of this instruction

manual. We recommend you connect your VCR using a scart lead. If you do not have a scart

lead, tune in the VCR test signal to TV programme number “0” by using “Manual Programme

Preset” option. (for details how to manual programme, see page 13, step a).

Also refer to your VCR instruction manual to find out how to find the output channel of your

VCR.

Connecting a VCR that supports Smartlink:

If you have connected a decoder to a VCR which supports Smartlink

feature:

Select the “Manual Programme Preset” option in the “Set Up” menu and after entering in the

“Decoder*” option, select “On” (by using or ). Repeat this option for each scrambling

signal.

Additional Information

*This option is only available depending on the country you have selected in the “Country”

menu.

153

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TELETEXT

Index

Programme

News

Sport

Weather

Index

Programme

News

Sport

Weather

Index

Programme

News

Sport

Weather

Index

Programme

News

Sport

Weather

Index

Programme

News

Sport

Weather

Index

Programme

News

Sport

Weather

Index

Programme

News

Sport

Weather

Index

Programme

News

Sport

Weather

Teletext is an information service transmitted by most TV stations. The index page of the

Teletext

Make sure to use a channel (TV Broadcast) with a strong signal, otherwise teletext errors

teletext service (usually page 100) gives you information on how to use the service. To

operate teletext, use the remote control buttons as indicated below.

After select the channel (TV Broadcast) which carries the teletext you wish

to view, press .

Input 3 digits for the page number, using the numbered buttons.

• If you have made a mistake, retype the correct page number.

may occur.

To Switch On Teletext :

• If the counter on the screen continues searching, it is because this page is not available. In that case,

To Select a Teletext page:

Press PROGR + ( ) or PROGR - ().

Whilst you are viewing teletext, press . Press it again to cancel teletext mode.

input another page number

To access the next or preceding page:

To superimpose teletext on to the TV:

Some teletext pages have sub-pages which follow on automatically. To stop them, press

To freeze a teletext page:

/ . Press it again to cancel the freeze.

Fastext service lets you access pages with one button push.

Press / . Press it again to conceal the information.

To reveal concealed information (e.g: answer to a quiz):

Press .

To Switch Off Teletext:

While you are in Teletext mode and Fastext is broadcast, a colour coded menu appears at

Fastext

the bottom of the teletext page. Press the colour button (red, green, yellow or blue) to access

the corresponding page.

Teletext

Solution

•Check the aerial connection.

• Plug the TV in and press the button on the front of

TV.

Adjustment” menu and select “Reset” to return to the

•If the standby indicator is on, press button on

the remote control.

•Using the menu system, select the “Picture

Country” menu and select the country in which you

Adjustment” menu.

Adjustment” menu and select “Reset” to return to

factory settings.

• Using the menu system, select the “Picture

factory settings.

•Check that the optional equipment is on and press the

button repeatedly on the remote control until the

correct input symbol is displayed on the screen.

• Press the +/- button on the remote control.

• Check that “TV Speakers” is “On” on the “Sound

• Turn off any equipment connected to the Scart

operate the TV set.

connector on the rear of the TV.

• Using the menu system, enter to the “Language/

• Using the menu system, select the “Picture Rotation”

Programme Preset” menu and adjust Fine Tuning

option in the “Detail Set Up” menu to correct the

picture slant.

• Using the menu system, select the “Manual

(AFT) to obtain better picture reception.

Output” to “TV”.

• Using the menu system, select the “Noise Reduction”

Then enter to “Detail Set Up” option and set “AV2

option in the “Detail Set Up” menu and select

“On” to reduce the noise in the picture.

• Using the menu system, select the “Set Up” menu.

• Replace the batteries.

:2/q

Additional Information

• Contact to your nearest Sony service centre.

Here are some simple solutions to the problems which may affect the picture and sound.

Troubleshooting

Problem

No picture (screen is dark) and no

sound.

2 x 14 W (music power)

2 x 7 W (RMS)

Sound Output:

Poor or no picture (screen is dark),

but good sound.

No picture or no menu information

Power Consumption:

KF-25FX30K: 87 W

KF-29FX30K: 94 W

Standby Power Consumption:

0.5 W

Dimensions (w x h x d) :

from equipment connected to the

Scart connector.

Good picture, no sound.

KF-25FX30K: Approx. 655 x 509 x 476 mm.

KF-29FX30K: Approx. 746 x 589 x 516 mm.

No colour on colour programmes.

Distorted picture when changing

programmes or selecting teletext.

Weight:

KF-25FX30K: Approx. 36 Kg.

KF-29FX30K: Approx. 46.5 Kg.

Accessories supplied:

1 Remote Control (RM-887)

2 Batteries (IEC designated)

Other features:

• Teletext, Fastext, TOPtext

Wrong characters appear when

viewing teletext.

• Sleep Timer

• Smartlink (direct link between your TV set

and a compatible VCR. For more

Picture slanted

Noisy picture when viewing a TV

channel.

information on Smartlink, please refer to

the Instruction Manual of your VCR).

• TV system Autodetection.

No unscrambling whilst viewing a

scrambling channel with a decoder

connected through the Scart

connector

In case of problems, have your TV serviced by qualified personnel. Never open the

casing yourself.

Remote control does not function.

The standby indicator on the TV

flashes.

Specifications

TV system:

B/G/H, D/K

Colour system:

PAL, SECAM

NTSC 3.58, 4.43 (only Video In)

Channel Coverage:

VHF: E2-E12

UHF: E21-E69

CATV: S1-S20

HYPER: S21-S41

D/K: R1-R12, R21-R69

Picture Tube:

Flat Display FD Trinitron

KF-25FX30K: 25” (approx. 63 cm.

21-pin scart connector

(CENELEC standard)

measured diagonally)

KF-29FX30K: 29” (approx. 73 cm.

measured diagonally)

including audio/video

Rear Terminals

:1/

input, RGB input, TV

(CENELEC standard)

audio/video output.

including audio / video

input, S video input,

selectable audio / video

output and Smartlink

21-pin Scart connector

:2/q

(SMARTLINK)

interface.

audio outputs (Left/

Right) - phono jacks

Front Terminals

q3 S Video input - 4 pin DIN

…3 video input – phono jack

3 audio input – phono jacks

headphones jack

Design and specifications are subject to change without notice.

Additional Information

Ecological Paper- Totally Chlorine Free

2-1. Rear Cover Removal

SECTION 2 DISASSEMBLY

=> <=

Release the mains power cable from its securing posts. Remove the rear cover fixing screws indicated. Pull the rear cover away from the front beznet.

2-2. Chassis Removal and Refitting

To remove lift the main bracket rear slightly and slide the chassis away from the beznet. Ensure that the interconnecting leads are released from their purse locks to prevent damage being caused.

When refitting the chassis ensure that the main bracket is located in the beznet guide slots before sliding the chassis forwards. Refit the interconnecting leads in their respective purse locks.

2-4. A Board PWB Removal [ Step 2 ]2-3. A Board PWB Removal [ Step 1 ]

Screw.

Remove the screw securing the PWB to the main bracket.

2-5. Service Position

Clip.

Release the 3 securing clips located at the side of the chassis and slide the PWB clear of the bracket.

Place the chassis in the position indicated to carry out servicing. T o gain access to the high voltage areas of the A Board the bootom plates need to be removed (see page 15).

2-6. Picture Tube Removal

WARNING:

BEFORE REMOVING

THE ANODE CAP

High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT before attempting to remove the anode cap. Short between anode and CRT coated earth ground strap.

Coated Earth Ground Strap

1. Discharge the anode of the CR T and remove the anode cap.

2. Release the EHT lead from its CR T support bracket.

3. Unplug all interconnecting leads from the Deflection yoke, degaussing coils, Rotation coil and CRT grounding strap.

4. Remove the C Board from the CR T .

5. Loosen the VM Block fixing screw and remove.

6. Remove the chassis assembly .

7. Loosen the Deflection yoke fixing screw and remove.

8. Remove the Degaussing Coil holders.

9. Place the set with the CRT face down on a cushion.

10. Unscrew the four CRT fixing screws [ located on each CR T corner ] and remove the CRT.

11. Remove the Degaussing Coils. Remove the CRT grounding strap and spring tentioners. [Take care not to handle the CRT by the neck.]

Removal of the Anode-Cap

* REMOVING PROCEDURES.

Turn up one side of the rubber cap in the direction indicated by the arrow a

2 Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b

How to handle the Anode-Cap

1. To prevent damaging the surface of the anode-cap do not use sharp materials.

2. Do not apply too great a pressure on the rubber, as this may cause damage to the anode connector.

3. A metal fitting called a shatter hook terminal is fitted inside the rubber cap.

4. Do not turn the rubber foot over excessively, this may cause damage if the shatter hook sticks out.

Anode button

3 When one side of the rubber cap is separated from the anode button, the anode-cap can be removed by turning up the rubber cap and pulling it up in the direction of the arrow c

Catch

For safety reasons, on no account should the plates be re-

moved and not refitted after servicing.

Because the plates differ in size it is important that the correct plates are refitted in their original

location.

Please note that the plates need to be rotated 180 degrees from their cut position to allow the

(2) REFITTING THE PLATES

tabs to be fitted into their catch positions.

Ta b

REMOVAL AND REPLACEMENT OF THE MAIN-BRACKET

BOTTOM PLATES.

(1) REMOVING THE PLATES

Only remove the necessary plate to gain access to the printed wiring board.

In the event of servicing being required to the solder side of the D Board printed wiring board,

the bottom plates fitted to the main chassis bracket require to be removed.

This is performed by cutting the gates with a sharp wire cutter at the locations indicated by the

arrows.

Note : There are 3 plates fitted to the main bracket and secured by3 gates.

+ 35 hidden pages