Sony KV-25X5A, KV-25X5B, KV-25X5D, KV-25X5E, KV-25X5EK SERVICE MANUAL 1

SELF-DIAGNOSTIC FUNCTION

MICROFILM

SERVICE MANUAL FE-1 CHASSIS

MODEL

COMMANDER DEST CHASSIS NO.

KV-25X5A KV-25X5B KV-25X5D KV-25X5E

RM-883 Italian SCC-Q06E-A

RM-883 French SCC-Q02E-A

RM-883 AEP SCC-Q04E-A

RM-883 Spanish SCC-Q05E-A

MODEL

KV-25X5K KV-25X5L KV-25X5R KV-25X5U

COMMANDER DEST CHASSIS NO.

RM-883 OIRT SCC-Q03E-A

RM-883 Irish SCC-Q07B-A

RM-883 OIRT SCC-Q03F-A

RM-883 UK SCC-Q01D-A

/

MENU

PROGR

RM-883

TRINITRON

1

®

COLOR TV

®

KV-25X5

ITEM MODEL Television System Stereo System Channel Coverage Color System

Italian B/G/H GERMAN Stereo

French B/G/H, D/K, L, I GERMAN/NICAM

Stereo

AEP B/G/H, D/K GERMAN Stereo

Spanish B/G/H, D/K GERMAN/NICAM

Stereo

KV-25X5K GERMAN/NICAM Stereo

OIRT B/G/H, D/K

KV-25X5R GERMAN Stero

ITALIA VHF : A-H2 (C) UHF : 21-69 PAL B/G/H VHF : E2-E12 UHF : E21-E69 CABLE TV (1) : S1-S41 CABLE TV (2) : S01-S05, M1-M10, U1-U10

L VHF : F02-F10 UHF : F21-F60 CABLE : B-Q B/G/H VHF : E2-E12 UHF : E21-E69 CABLE TV (1) : S1-S41 CABLE TV (2) : S01-S05, M1-M10, U1-U10 ITALIA VHF : A-H2 (C) UHF : 21-69 I UHF : B21-B69

PA L B/G/ H VHF : E2-E12 UHF : E21-E69 CABLE TV (1) : S1-S41 CABLE TV (2) : S01-S05, M1-M10, U1-U10 ITALIA VHF : A-H2 (C) UHF : 21-69 D/K VHF : R01-R12 UHF : R21-R69

PAL B/G VHF : E2-E12 UHF : E21-E69 CABLE TV (1) : S1-S41 CABLE TV (2) : S01-S05, M1-M10, U1-U10 ITALIA VHF : A-H2 (C) UHF : 21-69

B/G/H VHF : E2-E12 UHF : E21-E69 CABLE TV (1) : S1-S41 D/K VHF : R01-R12 UHF : R21-R69

PAL NTSC4.43, NTSC3.58 (VIDEO IN)

PAL, SECAM NTSC4.43, NTSC3.58 (VIDEO IN)

VHF : A-C, D-J VHF : 21-69

Irish I NICAM Stereo

UK I NICAM Stereo UHF : B21-B69

MODEL 25X5A 25X5B 25X5D 25X5E 25X5K 25X5L 25X5R 25X5U

Power Consumption 89W 97W 97W 97W 97W 139W 97W 139W

[PICTURE TUBE] Super Trinitron

Approx. 63cm (25 inches) (Approx. 59cm picture measured diagonally) 110 degree deflection

CABLE CHANNELS S1-S20 HYPERBAND S21-S41

[FRONT]

Video input - phono jack Audio inputs - phono jacks S Video input 4 pin DIN

Headphone jacks : stereo minijack

Input/Output Terminals

Sound output 2 x 20W (Music Power)

[REAR]

21-pin Euro connector (CENELEC standard).

- Inputs for Audio and Video signals.

- Inputs for RG B .

- Outputs of TV Video and Audio signals.

21-pin Euro connector.

- inputs for Audio and Video signals.

- inputs for S Video.

- outputs for Audio and Video signals (selectable). Phono Jack

- Outputs for Audio Signals

Power requirements 220 - 240V Dimensions Approx 593x502x506mm Weight Approx 33.2kg Supplied accessories RM-883 Remote Commander (1)

IEC designated R6 battery (1)

Other features NICAM*, FASTEXT, TOPTEXT

(KV-25X5B/25X5E/25X5K/25X5L/25X5U

*

only)

[RM-883]

Remote control system Infrared control Power requirements 1.5V dc

1 battery IEC designation

R6 (size AA) Dimensions Approx 65x225x21mm (w/h/d) Weight Approx 157g (Not including battery)

PAL, SECAM NTSC4.43, NTSC3.58 (VIDEO IN)

Design and specifications are subject to change without notice.

2

KV-25X5

ASA

T

How to replace the fuse. Open the fuse compartment with a screwdriver blade and replace the fuse.

FUSE

Model Na me

Item Pal Comb OFF OFF OFF OFF OFF OFF OFF OFF PIP OFF OFF OFF OFF OFF OFF OFF OFF RGB Priority OFF ON ON ON OFF OFF OFF OFF Woofer Box OFF OFF OFF OFF OFF OFF OFF OFF Scart 1 ON ON ON ON ON ON ON ON Scart 2 ON ON ON ON ON ON ON ON Front in (3) ON ON ON ON ON ON ON ON Scart 4 OFF OFF OFF OFF OFF OFF OFF OFF Projector OFF OFF OFF OFF OFF OFF OFF OFF AKB in 16:9 mode ON ON ON ON ON ON ON ON Norm B/G ON ON ON ON ON OFF ON OFF Norm I OFF ON OFF OFF OFF ON OFF ON

KV-25X5A KV-25X5B KV-25X5D KV-25X5E KV-25X5K KV -25X5L KV-25X5R KV-25X5U

Norm D/K OFF ON ON ON ON OFF ON OFF Norm AUS OFF OFF OFF OFF OFF OFF OFF OFF Norm L OFF ON OFF OFF OFF OFF OFF OFF Norm SAT OFF OFF OFF OFF OFF OFF OFF OFF Norm M OFF OFF OFF OFF OFF OFF OFF OFF Teletext ON ON ON ON ON ON ON ON Nicam Stereo OFF ON OFF ON ON ON OFF ON Language Preset Italian French German Spanish OIRT English OIRT E nglish

WARNING (KV-25X5L / KV-25X5U only)

The flexible mains lead is supplied connected to a B.S. 1363 fused plug having a fuse of 5 AMP capacity. Should the fuse need to be replaced, use a 5 AMP FUSE approved by ASTA to BS 1362, ie one that carries the the mark. IF THE PLUG SUPPLIED WITH THIS APPLIANCE IS NOT SUITABLE FOR THE OUTLET SOCKETS IN YOUR HOME, IT SHOULD BE CUT OFF AND AN APPROPRIATE PLUG FITTED. THE PLUG SEVERED FROM THE MAINS LEAD MUST BE DESTROYED AS A PLUG WITH BARED WIRES IS DANGEROUS IF ENGAGE D IN A LIVE OUTLET SOCKET. When an alternative type of plug is used it should be fitted with a 5 AMP FUSE, otherwise the circuit should be prot ected by a 5 AMP FUSE at the distribution board.

3

KV-25X5

21 pin connector ( 1/1 , 2 / 2 )

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

Pin No 1 2 4 Signal Signal level

1 Audio output B

2

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)

15

_ (S signal Chroma

16 Blanking input

17 Ground (video

18 Ground (video

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

20

_ Video input

21 Common ground

(right) Audio output B

(right) Audio output A

(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)

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

(-3+10dB)

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

Pin No Signal Signal level

1 Ground 2 Ground 3 Y (S signal) input 1V+/- 3dB 75 ohm, positive Sync 0.3V -3/+10dB 4 C (S signal) input 0.3V+/- 3dB 75 ohm, positive Sync

4

KV-25X5

TABLE OF CONTENTS

Section Title Page Section Title Page

1. GENERAL

4. CIRCUIT ADJUSTMENTS

Overview of TV buttons .....................6

Using Select Mode ................ .....6

Adjusting the Picture .....................7

Adjusting the Sound .....................7

Using the Sleep Timer .....................8

Viewing Teletext .....................8

Exchanging Programme Pos .....................9

Manually T u nin g the TV ................... ..9

Fine-Tuning Channels .....................10

Using Optional Equipm ent .....................10

Troubles ho oting .....................11

2. DISASSEMBLY

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

2-2. Chas sis Assy Rem o val .....................12

2-3. Service Position .....................13

2-4. H1 Board Removal .....................13

2-5. S1 Boar d Removal ................... ..13

2-6. Picture Tube Removal .....................14

2-7. Removal and Replacement of the

Main - Bracket bottom plates .....................15

3. SET-UP ADJUSTMENTS

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

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

3-3. Screen [G2] White Balance .....................19

3-4. Focus .....................19

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

4-2. Test Mode 2 .....................23

4-3. FE-1 Self Diagnostic Software .....................24

5. DIAGRAMS

5-1. Block Diagram .....................25

5-2. Circuit Board Location .....................32

5-3. Schematic Diagrams and

Printed Wiring Boards .....................32

* S1 Board .....................33

* A Board .....................41

* H 1 Boa rd .....................47

* C Board .....................50

5-4. Semiconductors .....................51

5-5. IC Blocks .....................53

6. EXPLODED VIEWS

6-1. Chassis .....................54

6-2. Picture Tube .....................55

7. ELECTRICAL PARTS LIST .....................56

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 ISOLATING TRANSFORMER SHOULD BE USED DURING ANY SERVICE WORK TO AVO I D PO SSIBLE SHOCK HAZA R D DU E 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 ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE P ARTS 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’ELECTROCUTI ON PR OVENANT 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 LA

SÈCURITÈ !!

LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE MARQUE SUR LES SCHÈMAS DE PRINCIPE, LES VUES

EXPLOSÈES ET LES LISTES DE PIECES SONT D’UNE IMPORTANCE 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.

5

SECTION 1 GENERAL

The operating instructions mentioned here are partial abstracts from the Operating Manual. The page numbers of the Operating Instruction Manual remain as in the manual.

Basic TV Features

Overview of TV Buttons

Additional TV Features

Using Select Mode

You can select different preset picture and sound modes.

SELEC

T

OFF

SELEC

T

OFF

SELEC

T

OFF

OK

On/Off Switch.

Video Input Button. (selects input signals from VCR etc.).

MONO

L/G/S/I R/D/D/D

s

2

s

2

MONO

L/G/S/I R/D/D/D

2

++

P

__

Auto Tune Button

++

P

__

Volume Control Buttons.

Programme Up or Down Buttons. (selects TV channels).

/

MENU

1 Press the MENU button on the remote control to

display the menu on the TV screen.

2 With the cursor pointing at the

TV screen as shown, press the yellow button.

symbol on the

SELEC

T

3 Press the blue button to select the desired mode:

reverts to settings made in “Adjusting the Picture and Sound” sections of the manual

for films

Overview of Remote Control Buttons

6

To Mute Sound

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

To Select Channels

Press to select channels.

For double-digit programme numbers, e.g. 23, press -/-- first, then the buttons 2 and 3.

To Change Screen Format

Press to view programmes in 16:9 mode. Press again to return to 4:3 mode.

To Adjust TV Volume

Press to adjust the volume of the TV.

/

MENU

PROGR

RM-883

To Temporarily Switch Off TV

Press to temporarily switch off TV. Press again to switch on TV from standby mode.

To save energy we recommend switching off completely when TV is not in use.

NOTE: After 15 -30 minutes without a TV signal and without any button being pressed, the TV switches automatically into standby mode.

To Reveal On Screen Information

Press to reveal all on-screen indications. Press again to cancel.

To Select Channels

Press to select channels.

PROGR

RM-883

for programmes broadcast live

4 Press the MENU button to remove the menu

display from the TV screen.

Note: The mode selected in step 3 is now stored.

Changing Modes Quickly 1

Press the button on the remote control to display the three different modes.

2 Press the button again to select your desired

mode.

7

8

Additional TV Features

Adjusting the Picture

Additional TV Features

Adjusting the Sound

Although the picture is adjusted at the factory, you can modify it to suit your own requirement.

1 Press the button on the remote control to

/

display the three different modes on the TV screen.

2 Press the button to highlight the user mode

as shown.

MENU

symbol

3 Press the MENU button to display the menu on

the TV screen.

4 Press the blue button on the control to select the

symbol on the TV screen then press the yellow

PROGR

7

button.

5 Press the blue button to select the item you wish

to change (see below).

RM-883

6 Press the red or yellow button to alter the selected

item.

7 Press the MENU

display from the TV screen.

button to remove the menu

SELEC

T

SELEC

T

OFF

IIIIIIIIIIIIIII- - - - - IIIIIIIIIIIIIII- - - - - IIIIIIIIIIIIIII- - - - - -

IIIIIIIIIIIIIII- - - - - IIIIIIIIIIIIIII- - - - - -

0

Although the sound is adjusted at the factory, you can modify it to suit your own requirement.

1 Press the button on the remote control to

/

display the three different modes on the TV screen.

2 Press the button to highlight the user mode

symbol

as shown.

3 Press the MENU button to display the menu on

the TV screen.

MENU

4 Press the blue button to select the symbol on the

TV screen then press the yellow button.

PROGR

5 Press the blue button to select the item you wish to

RM-883

change (see below).

6 Press the red or yellow button to alter the selected

item.

7 Press the MENU

display from the TV screen.

button to remove the menu

DSP

SELEC

T

SELEC

T

OFF

MONO STEREO

ON OFF IIIIIIIIIIIIIIIIIIIIIII - - - - - IIIIIIIIIIIIIIIII - - - - - - - - IIIIIIIIIIIIIII- -

IIIIIIIIIIIIIII

Symbol Item

• Contrast

• Colour

• Brightness

• Sharpness

• Hue control (only for NTSC video signals)

• Reset - resets to factory preset picture level

• Picture rotation - adjusts picture tilt

• Represents the mode selected in the “Using

(only for KV-29X5U model)

Select Mode” section.

Symbol Item

• Mono sound/Stereo sound

DSP • On/Off (digital sound processor)

9

10

A: Channel 1 sound/B: Channel 2 sound (to select your desired language from a dual sound broadcast)

• Treble

• Bass

• Balance

• Reset (resets to factory preset sound level)

• Represents the mode selected in the “Using Select Mode” section of the manual.

Additional TV Features

Using the Sleep Timer

Additional TV Features

Viewing Teletext

The TV may be set to switch automatically to the standby mode after a length of time chosen by you. You may set the time in 15 minute steps up to 4 hours.

1 Press the MENU button on the remote control to

/

display the menu on the TV screen.

2 Press the blue button on the control to select the

symbol on the TV screen, then press the yellow button.

MENU

PROGR

8

RM-883

3 Press the yellow button repeatedly until the

required amount of time delay appears on the screen.

4 Once the time delay has been selected, press the

MENU button to remove the on-screen display.

One minute before standby, the display shown appears on the screen.

Notes:

• When watching TV, press the time remaining.

• To return to normal operation from standby mode, press the

button.

button to display

SELEC

T

SELEC

0:59

Teletext is an information service transmitted by most TV stations.

Selecting Teletext

SELEC

T

OFF

T

OFF

T

1:00

OK

PROGR

/

MENU

Press a number button on the remote control to

1

select the channel which carries the teletext service you wish to receive.

2 Press the button on the remote control to switch

on teletext.

3 Input three digits for the page number using the

numbered buttons on the control.

4 Press the button to switch off teletext.

Note: Teletext errors may occur if the broadcasting

signals are weak.

TELETEXTTELETEXT

Index

Programme News Sport Weather

TELETEXTTELETEXT

Index

Programme

25 153 101 98

25

News

153

Sport

101

Weather

98

Using Other Teletext Functions

RM-883

To Superimpose Teletext on to the TV

Press

once in teletext mode or twice in TV mode to

superimpose teletext on to the TV screen.

again to cancel teletext mode.

Press

To Move to Next or Preceding Page

Press PROGR +/previous or next page.

on the remote control to select the

To Freeze a Teletext Page

on the control to freeze the page.

Press

again to cancel the freeze.

Press

Revealing concealed information (eg: answers to a quiz).

to reveal information.

Press Press again to conceal the information.

TELETEXTTELETEXT

Index

Programme News Sport Weather

TELETEXTTELETEXT

Index

Programme News Sport Weather

25 153 101 98

11

12

Using colour buttons to access pages (Fastext)

When the colour coded menu appears at the bottom of a page, press the colour button (green, red, yellow or blue) to access the corresponding page.

Additional TV Features

Exchanging Programme Positions

After tuning you may wish to change the order in which the channels appear on the TV. You may wish for example to exchange the channel on programme number 8 with the channel on programme number 4.

1 Press the MENU button on the remote control.

/

2 Press the blue button on the control to select on

the TV screen, then press the yellow button.

3 Press the blue

MENU

PROGR

9

RM-883

yellow button.

4 With the cursor pointing at PROGR on the TV

screen as shown, press PROGR + or - button until the channel you wish to rearrange appears on screen, then press the blue button once.

5 Press the red or yellow

programme number (e.g. PROGR 04) for your selected channel.

button to select then press the

button to select the new

SELEC

T

OFF

SELEC

T

OFF

PROGR 01 CH 05 IIIIIIIIIIIIIII- - - - - - - -

on

F C

OO

PROGR - +

01

PROGR - + 04

Manually Tuning the TV

You have already tuned the TV to receive all available channels using the `Automatically Tuning the TV' procedure at the start of this manual. You can however carry out this operation manually using the following instructions.

SELEC

T

OFF

OK

/

MENU

1 Press the MENU button on the remote control to

display the menu on the TV screen.

2 Press the blue button to select the symbol on the

TV screen then press the yellow button.

3 With the cursor pointing at PROGR on the TV

screen as shown, press PROGR + or - button on the remote control to allocate a programme number to the channel (eg PROGR 01). For double digit numbers e.g. 55, press the -/-- button on the remote control then the corresponding numbered buttons.

4 Press the blue button to select the tuning bar scale

PROGR

RM-883

then press the yellow or red button once to start the channel search. (Yellow to search up the scale or red to search down). When a channel is found it appears on the TV screen.

5 If you do not wish to store this channel on the

programme number you selected, press the yellow or red button to continue searching for the desired channel.

T

OFF

SELEC

T

OFF

PROGR 01 CH 05 IIIIIIIIIIIIIII- - - - - - - -

on

F

COO

PROGR 01 CH 05 IIIIIIIIIIIIIII- - - - - - - -

on

F

C

OO

SELEC

T

OFF

OK

6 Press the blue

yellow button to exchange the channels.

button to select then press the

7 Repeat steps 4 to 6 if you wish to change the order

of the other channels on your TV, then press MENU to return to normal TV screen.

8 Press the PROGR+/- button to view your selected

channels on their new programme numbers.

PROGR - +

04

13

14

6 If this is the channel you wish to store, press the

blue button to select the then press the yellow button to store.

7 Repeat steps 3 to 6 if you wish to store more

channels then press the MENU the menu from the TV screen.

symbol on the screen

button to remove

PROGR 01 CH 05 IIIIIIIIIIIIIII- - - - - - - -

on

F COO

Additional TV Features

Optional Connections

Fine-Tuning Channels

If a channel is slightly off tune, you can use this fine tune procedure to obtain a better picture reception.

1 With the channel you wish to fine-tune on the

/

MENU

PROGR

10

RM-883

screen, press the MENU button on the remote control. The menu display appears on the TV screen.

2 Press the blue button on the remote control to

select the the yellow button.

3 Press the blue button to select the

the TV screen then press the red or yellow button to adjust the tuning.

4 Press the blue button to select the symbol on the

TV screen then press the yellow button to store.

symbol on the TV screen then press

F

5 Press the MENU button to remove the menu from

the TV screen.

symbol on

SELEC

T

OFF

SELEC

T

OFF

PROGR 01 CH 05 IIIIIIIIIIIIIII- - - - - - - -

on

F

C

OO

PROGR 01 CH 05 IIIIIIIIIIIIIII- - - - - - - -

on

F

COO

Using Optional Equipment

You can connect optional audio or video equipment to your TV, such as a VCR, a camcorder or video games as shown.

A

Front of TV

B C

s

Rear of TV

Playstation

++

MONO

P

__

L/G/S/I R/D/D/D

s

2

D

MONO

L/G/S/I R/D/D/D

2

S-VHS/Hi8 camcorder

s

2/

1/

2

1

8mm/Hi8 camcorder

++

P

__

2

E

G

F

L/G/S/I

R/D/D/D

Hi-Fi

SELEC

T

OFF

OK

Select and View the Input Signal 1

Connect your equipment to the designated TV socket.

2 Press

correct input symbol appears on the TV screen.

button repeatedly on your remote control until the

the

Symbol Input signals

1

• Audio/video input signal through the Euro AV connector

• RGB input signal through the Euro AV connector

2

• Audio/video input signal through the Euro AV connector

s

• S video input signal through the socket B.

F

or the phono sockets C and

E

D

3 Switch on the connected equipment. 4 To return to normal TV picture, press the

control.

Note: To avoid picture distortion, do not connect equipment to the

B

, C or E

connectors

at the same time.

button on the remote

Additional Information

Connecting a VCR

We recommend you tune in the VCR signal to TV programme number `0' using the `Manually Tuning in the TV' section of this instruction manual.

Connecting Headphones

Plug in your headphones to the socket

Connecting Decoders

Plug in decoders to the socket

F

Connecting to External Audio Equipment

Plug in your Hi-Fi equipment to the you wish to amplify the audio output from the TV.

on the front of the TV set.

A

on the rear of the TV.

sockets on the rear of the TV if

G

VCR

15

17

Additional Information

11

Troubleshooting

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

Problem Solution

No picture (screen is dark), • Plug the TV in. no sound • Press the

Poor or no picture (screen is dark), • Using the MENU system, select the but good sound. Picture Adjustment display.

Poor picture quality when watching • Press the button repeatedly on the a RGB video source. remote control until the RGB symbol

Good picture, no sound • Press the +/– button on the remote

No colour on colour programmes • Using the MENU system, select the

Distorted picture when changing • Turn off any equipment connected to programmes or selecting teletext the 21 pin Euro connector on the rear of

Remote control does not function • Replace the batteries.

• If you continue to have these problems, have your TV serviced by qualified

personnel.

•NEVER open the casing yourself.

button on the front of TV.

• If the

• Check the aerial connection.

• Check that the selected video source is

• Turn the TV off for 3 or 4 seconds and

• From the Picture Adjustment display

• If

• From the Picture Adjustment display

indicator is on press or a programme number button on the remote control.

on.

then turn it on again using the on the front of the TV.

Adjust the brightness, picture and colour balance levels.

to return to the factory

select settings.

is displayed on the screen.

control.

is displayed on the screen, press

button on the remote control.

the

Picture Adjustment display. Adjust the colour balance.

to return to the factory

select settings.

the TV.

button

Specifications

TV system

I

Colour system

PAL NTSC 3.58, 4.43 (only Video In)

Channel coverage

UHF: B21-B69

Picture tube

KV-25X5U: Super Trinitron Approx. 63 cm (25 inches) (Approx. 59 cm picture measured diagonally), 100 KV-29X5U: Super Trinitron Approx. 72 cm (29 inches) (Approx. 68 cm picture measured diagonally), 100

Inputs

• Rear Terminals

• Front Terminals

Outputs

Sound output:

2 x 10 W (RMS)

Power consumption

KV-25X5U: 139 W KV-29X5U: 158.5 W

Standby Power consumption

Dimensions (wxhxd)

KV-25X5U: Approx. 593 x 502 x 506 mm KV-29X5U: Approx. 676 x 557 x 525 mm

Weight

KV-25X5U: Approx. 33.2 kg KV-29X5U: Approx. 43.5 kg

Accessories supplied

RM-883 Remote Control (1) IEC designated batteries (2)

Other features

TELETEXT, Fastext

° deflection

/ 21-pin Euro connector (CENELEC standard) including audio/video

1

input, RGB input, TV audio/video output

/s21-pin Euro connector (CENELEC standard) including audio/video

2

input, S-video input, Monitor audio/video output

video input - phono jack

2

audio inputs - phono jacks

2

s

S video input - 4 pin DIN

Headphones jack - minijack stereo Audio outputs (variable) - phono jacks

1 W

18

Design and specifications are subject to change without notice.

19

KV-25X5

2-1. REAR COVER REMOVAL

SECTION 2

DISASSEMBLY

3 Rear Cover

2 4 Screws BTV 4x16

2-2. CHASSIS ASSY REMOVAL

1 1 Screw BTV 4x16

12

2-3. SERVICE POSITION

KV-25X5

2-4. H1 BOARD REMOVAL 2-5. S1 BOARD REMOVAL

Release the clip indicated

To release, push the claws in the direction of the arrow as indicated.

13

KV-25X5

2-6. PICTURE TUBE REMOVAL

5 Two DGC holders

6 Degaussing coils

7 Spring Extension

2 Chassis assy

3 C board

8 Four PT screws (M)

1 Anode cap

Deflection yolk 4

9 Picture tube

Cushion

• REMOVAL OF ANODE-CAP

Note : Short circuit the anod e of the picture tube and the anod e c ap t o the m et al cha ssis, CRT shield or carbon paint on the CRT, after removing the anode.

* REMOVING PROCEDURES.

c

a

b

1

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 u se sharp materials. 2 Do not apply too great a pressure on the rubber, as this may cause da m age to the

anode connector.

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

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

14

3 When one side of the rubber cap is

Anode button

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

REMOVAL AND REPLACEMENT OF THE MAIN-BRACKET BOTTOM PLATES.

For safety reasons, on no account should the plates be

£

removed and not refitted after servicing.

(1) REMOVING THE PLATES

In the event of servicing being required to the solder side of the A Board printed wiring board, the bottom pl ates fitted to the main chassis bracket requ ire to be removed. This is performed by cutting the gates with a sharp wire cutter at the locations shown and indicated by arrows.

Note :There are 2 plates fitted to the main bracket and secured by 4 gates.

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

CatchCatch

15

Gate

Tab

GateGate

Catch

Tab

Gate

(2) REFITTING THE PLATES

Because the plates dif fe r in size it is im portan t that the correct pla tes are refitted in their original location.

Please note that the plates need to be rotated 180 degrees from the cut position to allow the tabs to be fitted in the catch positions.

Catch

Tab

Refitting

Tab

Gate Gate

Catch

KV-25X5