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

0 (0)

SERVICE MANUAL

FE-2

CHASSIS

MODEL

COMMANDER DEST CHASSIS NO.

KV-25FX30B

RM-887 FR SCC-Q54H-A

KV-25FX30E

RM-887 ESP SCC-Q53J-A

KV-25FX30K

RM-887 OIRT SCC-Q51K-A

MODEL

COMMA NDER DEST CHASSIS NO.

RM-889

KV-29FX30B

RM-887 FR SCC-Q54J-A

KV-29FX30E

RM-887 ESP SCC-Q53K-A

KV-29FX30K

RM-887 OIRT SCC-Q51L-A

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

LA SECURITÈ!!

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 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.

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21 pin connector

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

Pin No 1 2 4 Signal Signal level

1 Audio output B

(right)

Standard level : 0.5V rms

Output impedence : Less than 1kohm*

Audio output B

(right)

Standard level : 0.5V rms

Output impedence : More than 10kohm*

Audio output A

(left)

Standard level : 0.5V rms

Output impedence : Less than 1kohm*

4 Ground (audio)

5 Ground (blue)

6 Audio input A

(left)

Standard level : 0.5V rms

Output impedence : More than 10kohm*

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

8 Function select

(AV control)

High state (9.5-12V) : Part mode

Low state (0-2V) : TV mode

Input impedence : More than 10K ohms

Input capacitance : Less than 2nF

9 Ground (green)

10 Open

11 Green Green signal : 0.7 +/- 3dB, 75 ohms,

positive

12 Open

13 Ground (red)

14 Ground (blanking)

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

_ (S signal Chroma

input)

0.3 +/- 3dB, 75 ohms, positive

16 Blanking input

(Ys signal)

High state (1-3V) Low state (0-0.4V)

Input impedence : 75 ohms

17 Ground (video

output)

18 Ground (video

input)

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

(-3+10dB)

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

(-3+10dB)

_ Video input

Y (S signal)

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

(-3+10dB)

21 Common ground

(plug, shield)

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.

Flash Timing Example : e.g. error number 3

StBy LED

ON ON ON

OFF

Table 1

How to enter into Table 2

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

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

commander.

UNEMRORRE

20E

30E

40E

50E

60E

70E

80E

90E

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11E

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Language

Select Language:

Svenska

Norsk

English

Nederlands

Français

Italiano

Country

Select country:

Sverige

Norge

Italia

Deutschland

Österreich

If picture slants, please

adjust picture rotation

Not necessary

Adjust now

Switching On the TV and Automatically Tuning

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.

First Time Operation

continued...

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

50Hz)

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

The first time you press this button, a Language menu

displays automatically on the TV screen.

Press the or button on the remote control to select

the language, then press the OK button to confirm your

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

selected language.

The Country menu appears automatically on the TV

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.

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

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

country.

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

The

Picture Rotation

menu allows you to correct the

picture slants if it is necessary.

If it is not necessary, press or to select Not

necessary and press OK.

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

then press OK and correct any slant of the picture

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

to store.

First Time Operation

Your TV is now ready for use

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.

This procedure could take some minutes. Please be

patient and do not press any button. Otherwise the

automatic tuning will not be completed.

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.

After all available channels are captioned and stored,

the Programme Sorting menu appears automatically

on the screen enabling you to change the order in

which the channels appear on the screen.

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

step 8.

If you wish to change the channel order:

1 Press the or button to select the programme

number with the channel (TV Broadcast) you wish

to rearrange, then press the button.

2 Press the or button to select the new

programme number position for your selected

channel (TV Broadcast), then press .

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

the order of the other channels.

Press the MENU button to remove the menu from the

screen.

No channel found

Please connect aerial

Confirm

Programme: 01

System: B/G

Channel: C21

Auto Tuning

Searching...

Programme Sorting

Select channel:

Exit:

Programme:

01 TVE

02 TVE2

03 TV3

04 C33

05 C27

06 C58

Programme Sorting

Select new position:

Exit: MENU

Programme:

01 TVE

02 TVE2

03 TV3

04 C33

05 C27

06 C58 05 C27

Do you want to start

automatic tuning?

Yes

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.

SECTION 1 GENERAL

Introducing and Using the Menu System

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:

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

Menu System

• 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

//or.

• To confirm and store your selection, press OK.

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

continued...

Menu Guide

PICTURE ADJUSTMENT

The “Picture Adjustment” menu allows you to

alter the picture adjustments.

To do that: after selecting the item you want to

alter press , then press repeatedly / /

or to adjust it and finally press OK to

store the new adjustment.

This menu also allows you to customise the

picture mode based on the programme you are

watching:

Personal (for individual settings).

Live (for live broadcast programmes).

Movie (for films).

Level 1 Level 2 Level 3 / Function

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

• 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.

Menu System

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 /

/ or to adjust it and finally press OK

to store the new adjustment.

Level 1 Level 2 Level 3 / Function

This menu also contains two submenus as following:

Mode Personal (for individual settings)

Rock

Pop

Jazz

Detail Adjustment Sound Effect: Off: Normal.

Spatial: Acoustic sound effect.

Auto volume: Off: Volume channel changes according

to the broadcast signal.

On: Volume level of the channels will

stay the same, independent of the

broadcast signal (e.g. in the case of

advertisements).

TV Speakers: Off: Sound from external amplifier

connected to the audio outputs on

the rear of the TV set.

On: Sound from the TV set.

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

• 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

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

continued...

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

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

Menu System

continued...

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

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

press or to select the programme

number with the channel you wish to name.

2 Press . With the first element of the Label

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

press OK to store.

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.

To do that:

1 After selecting the option, press , then

press or to select the input source you

wish to name (AV1 and AV2 are for the rear

Scarts and AV3 for front connectors). Then

press .

2 In the label column automatically appears a

label:

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

label (CABLE, GAME, CAM, DVD,

VIDEO or SAT), press or to select

the desired label and finally press OK to

store.

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

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.

Level 1 Level 2 Level 3 / Function

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

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

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

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

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.

• 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”.

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”.

Level 1 Level 2 Level 3 / Function

Picture Adjustment

Mode: Personal

Contrast

Brightness

Colour

Sharpness

Hue

Reset

Timer

Sleep Timer: Off

Timer

Sleep Timer: Off

continued...

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

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

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

Menu System

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.

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.

Level 1 Level 2 Level 3 / Function

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

Noise Reduction:

AV2 Output:

RGB Centring:

Picture Rotation:

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

Noise Reduction:

AV2 Output:

RGB Centring:

Picture Rotation:

Menu System

continued...

MANUAL PROGRAMME PRESET

The “Manual Programme Preset” option in the

“Set Up” menu allows you to:

Preset channels or a video input source one

by one to the programme order of your

choice. To do that:

1 After selecting the ”Manual Programme

Preset” option, press then with

Programme option highlighted 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

depending on the country you have

selected in the “Language/Country”

menu.

After selecting the System option, press .

Then press or to select the TV

Broadcast system (B/G for western European

countries or D/K for eastern European

countries). Then press .

3 After selecting the Channel option, press .

Then press or to select the channel

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

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.

Repeat all the above steps to tune and store more

channels.

Level 1 Level 2 Level 3 / Function

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

Set Up

Language/Country

Auto Tuning

Programme Sorting

Progamme Labels

AV Preset

Manual Programme Preset

Detail Set Up

Teletext

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

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.

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

may occur.

To Switch On Teletext :

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

to view, press .

To Select a Teletext page:

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

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

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

input another page number

To access the next or preceding page:

Press PROGR + ( ) or PROGR - ().

To superimpose teletext on to the TV:

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

To freeze a teletext page:

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

/ . Press it again to cancel the freeze.

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

Press / . Press it again to conceal the information.

To Switch Off Teletext:

Press .

Fastext

Fastext service lets you access pages with one button push.

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

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

the corresponding page.

Teletext

TELETEXT

Index

Programme

News

Sport

Weather

153

101

TELETEXT

Index

Programme

News

Sport

Weather

153

101

TELETEXT

Index

Programme

News

Sport

Weather

153

101

TELETEXT

Index

Programme

News

Sport

Weather

153

101

TELETEXT

Index

Programme

News

Sport

Weather

153

101

TELETEXT

Index

Programme

News

Sport

Weather

153

101

TELETEXT

Index

Programme

News

Sport

Weather

153

101

TELETEXT

Index

Programme

News

Sport

Weather

153

101

Connecting Optional Equipment

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

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

Connecting a VCR:

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:

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

:2/q

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.

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

menu.

Additional Information

continued...

S VHS/Hi8/

DVC

camcorder

“PlayStation”**

Deco

Hi-

RDVD

** “PlayStation” is a product of Sony Computer

Entertainment, Inc.

** “PlayStation” is a trademark of Sony

Computer Entertainment, Inc.

8mm/Hi8/DVC

camcorder

Specifications

Additional Information

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.

measured diagonally)

KF-29FX30K: 29” (approx. 73 cm.

measured diagonally)

Rear Terminals

:1/

21-pin scart connector

(CENELEC standard)

including audio/video

input, RGB input, TV

audio/video output.

:2/q

21-pin Scart connector

(SMARTLINK)

(CENELEC standard)

including audio / video

input, S video input,

selectable audio / video

output and 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.

Ecological Paper- Totally Chlorine Free

Sound Output:

2 x 14 W (music power)

2 x 7 W (RMS)

Power Consumption:

KF-25FX30K: 87 W

KF-29FX30K: 94 W

Standby Power Consumption:

0.5 W

Dimensions (w x h x d) :

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

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

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

• Sleep Timer

• Smartlink (direct link between your TV set

and a compatible VCR. For more

information on Smartlink, please refer to

the Instruction Manual of your VCR).

• TV system Autodetection.

Troubleshooting

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

Additional Information

Problem

No picture (screen is dark) and no

sound.

Poor or no picture (screen is dark),

but good sound.

No picture or no menu information

from equipment connected to the

Scart connector.

Good picture, no sound.

No colour on colour programmes.

Distorted picture when changing

programmes or selecting teletext.

Wrong characters appear when

viewing teletext.

Picture slanted

Noisy picture when viewing a TV

channel.

No unscrambling whilst viewing a

scrambling channel with a decoder

connected through the Scart

connector

:2/q

Remote control does not function.

The standby indicator on the TV

flashes.

Solution

•Check the aerial connection.

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

TV.

•If the standby indicator is on, press button on

the remote control.

•Using the menu system, select the “Picture

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

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

Adjustment” menu.

• Using the menu system, select the “Picture

Adjustment” menu and select “Reset” to return to

factory settings.

• Turn off any equipment connected to the Scart

connector on the rear of the TV.

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

Country” menu and select the country in which you

operate the TV set.

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

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

picture slant.

• Using the menu system, select the “Manual

Programme Preset” menu and adjust Fine Tuning

(AFT) to obtain better picture reception.

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

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.

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

Output” to “TV”.

• Replace the batteries.

• Contact to your nearest Sony service centre.

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

casing yourself.

SECTION 2 DISASSEMBLY

2-1. Rear Cover Removal

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 ]

2-5. Service Position

Screw.

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).

Remove the screw securing the PWB to the main bracket.

Clip.

Anode button

* 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

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

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.

Removal of the Anode-Cap

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 AND REPLACEMENT OF THE MAIN-BRACKET

BOTTOM PLATES.

(1) REMOVING THE PLATES

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.

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

(2) REFITTING THE PLATES

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

tabs to be fitted into their catch positions.

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

moved and not refitted after servicing.

Ta b

Catch

+ 35 hidden pages