Sony KV-EF29N90 Manual de usuario

HISTORY

When clicking an item, it’s detail is displayed.

Date SUP/COR No. Description of SUP/COR Change of

main text

1998.07 SUP-1 Parts Change. A,B3,C1,D,D2,H7,S1Boards,

EXPLODED VIEWS,MISCELLANEOUS AND

PACKING MATERIALS(P57-59,78-82,93-95,102,

104-110,111,113-117,119,120) No

SERVICE MANUAL

MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO.

MICROFILM

∗Please file according to model size. ...

CHASSIS

BG-1L

TRINITRON

COLOR TV

KV-EF29N90

RM-882 WB SCC-N82A-A

– 2 –

KV-EF29N90 RM-882

CAUTION

SHORT CIRCUIT THE ANODE OF HTE PICTURE TUBE

AND THE ANODE CAP TO THE METAL CHASSIS, CRT

SHIELD, OR CARBON PAINTED ON THE CRT, AFTER

REMOVING THE ANODE.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY SHADING AND MARK

¡ON THE SCHEMATIC DIAGRAMS, EXPLODED

VIEWS AND IN THE PARTS LIST ARE CRITICAL TO

SAFE OPERATION. REPLACE THESE COMPONENTS

WITH SONY PARTS WHOSE PART NUMBERS AP-

PEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-

MENTS PUBLISHED BY SONY.

Specifications

Design and specifications are subject to change without notice.

Power requirements

Power consumption (W)

Color system

Stereo system

On-screen language

Channel coverage

˘(Antenna)

Audio output (speaker)

Number of terminal

VIDEO

AUDIO

S1 VIDEO

COMPONENT VIDEO

2(Headphones)

Picture tube

Tube size (cm)

Screen size (cm)

Dimensions (w/h/d, mm)

Mass (kg)

Note

110-240 V AC, 50/60 Hz

183

NTSC NTSC

MTS

English/Tiwanese

VHF : 2-13/UHF : 14-69/CATV : 1-125

75-ohm external terminal

15W + 15W

Input: 4 Output: 1 phono jacks; 1 Vp-p, 75 ohms

Input: 4 Output: 1 phono jacks; 500 mVrms

Input: 2 Y: 1 Vp-p, 75 ohms,

unbalanced, sync negative

C: 0.286 Vp-p, 75 ohms

Input: 1 phono jacks

Y: 1.0 Vp-p, 75 ohms,

sync negative

: 0.7 Vp-p, 75 ohms

Audio: 500 mVrms

Output: 1 Minijack

29 in.

716 × 572 × 525

Measured

diagonally

Measured

diagonally

– 3 –

KV-EF29N90 RM-882

1. GENERAL ................................................................. 4

2. DISASSEMBLY

2-1. Rear Cover Removal ......................................... 20

2-2. Speaker Box Assy Removal .............................. 20

2-3. Chassis Assy Removal ...................................... 20

2-4. Service Position ................................................. 20

2-5. Terminal Bracket, Printed Wiring Board Holder

DH Bracket Removal ........................................ 21

2-6. Picture Tube Removal ........................................ 22

2-7. Wiring Harness Layout ...................................... 23

3. SET-UP ADJUSTMENTS................................... 24

3-1. Beam Landing ................................................... 24

3-2. Convergence ...................................................... 25

3-3. Focus Adjustment .............................................. 28

3-4. G2 (Screen) and White Balance Adjustments ... 29

4. SELF DIAGNOSIS FUNCTION ..................... 30

5. CIRCUIT ADJUSTMENTS ................................ 31

5-1. Adjustments with Commander ......................... 31

5-2. Adjustment Method ........................................... 32

5-3. Picture Quality Adjustments ............................. 37

5-4. Display Position Adjustments ........................... 37

5-5. A Board Adjustment After IC003

(MEMORY) Replacement ................................ 38

TABLE OF CONTENTS

6. DIAGRAMS

6-1. Block Diagrams .................................................. 39

6-2. Circuit Boards Location ..................................... 52

6-3. Schematic Diagrams and Printed Wiring

Boards ................................................................. 53

(1) Schematic Diagram of A Board ........................ 57

(2) Schematic Diagrams of H7, J, P3 and

P4 Boards ........................................................... 62

(3) Schematic Diagrams of B3, C1 and

VM Boards ........................................................ 73

(4) Schematic Diagrams of D and D2

Boards ................................................................ 78

(5) Schematic Diagrams of A4, A5 and

S1 Boards ........................................................... 86

6-4. Semiconductors ................................................. 91

7. EXPLODED VIEWS

7-1. Speaker Box ...................................................... 93

7-2. Chassis ............................................................... 94

7-3. Picture Tube ...................................................... 95

8. ELECTRICAL PARTS LIST ............................ 97

Section Title PageSection Title Page

– 4 –

SECTION 1

GENERAL

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.

4Using Your New TV

VIDEO

VIDEO IN

VIDEO OUT

AUDIO

VIDEO IN MON/TV

OUT

VIDEO

(MONO)

AUDIO

S1VIDEO

Getting Started

Step 1

Connect the antenna

If you wish to connect a VCR, see the “Connecting a VCR” diagram below.

Connecting a VCR

Using Your New TV

To video and

audio outputs

VCR

VIDEO (yellow)

AUDIO-L (MONO)(white)

AUDIO-R (red)

To S video

output

Antenna cable

(not supplied)

To VIDEO IN 1,

2, or 3

Audio/Video cable

(not supplied)

S video cable

(not supplied)

: Signal flow

To S1 VIDEO

To antenna

output

To ˘

(antenna)

: Signal flow

Antenna

cable

(supplied)

Antenna cable

(not supplied)

Antenna

connector

(not supplied)

Antenna cable

(supplied)

Using Your New TV

Notes

• If you connect a monaural VCR, connect the yellow plug to VIDEO (the

yellow jack) and the black plug to AUDIO-L (MONO) (the white jack).

• If you connect a VCR to the ˘(antenna) terminal, preset the signal

output from the VCR to the program position 0 on the TV.

• Do not simultaneously connect video equipment to the VIDEO 3 INPUT

jacks at the front and the VIDEO IN 3 jacks at the rear of your TV.

• If both S1 VIDEO and VIDEO of VIDEO IN 1 are input simultaneously, the

S1 VIDEO is automatically selected. To view the video input to VIDEO IN

1, disconnect the S video cable.

• When no signal is input to the connected VCR (or video equipment), the

screen becomes blue.

Step 2

Insert the batteries

into the remote

Note

• Do not use old batteries nor use different types of batteries together.

Step 3

Preset the channels

Notes

• When you use the TV for the first time, preset the channels by

pressing AUTO PROGR button inside the front cover.

• If you use a cable TV system, select “CABLE : ON” of the

PRESET menu before presetting the channels. (See “Changing

other PRESET menu options” on page 30.)

Now You Are Ready. . .

ThechannelsarenowautomaticallypresetinyourTV.Topresetthechannels

manually,see“Addingorerasingchannels”onpage28.

AUTO

PROGR

MAIN POWER

ONE-PUSH AUTOMATIC PROGRAMING

MAIN POWER

VIDEO 3 INPUT

(MONO)

AUDIO

VIDEO

S1 VIDEO

AUTO PROGRAM

– 5 –

Using Your New TV

VIDEO 3 INPUT

(MONO)

AUDIO

VIDEO

S1 VIDEO

Connecting optional components

You can connect optional audio/video components, such as a VCR, multi disc player,

camcorder, video game or stereo system. If you connect a cable box, contact your

CATV provider.

Connecting a camcorder/video game equipment

using the VIDEO 3 INPUT jacks

Notes

• You can also connect video equipment to the VIDEO IN 3 jacks at the rear

of your TV.

• Do not simultaneously connect video equipment to the VIDEO 3 INPUT

jacks at the front and the VIDEO IN 3 jacks at the rear of your TV;

otherwise, the picture will not be displayed properly on the screen.

Connecting audio/video equipment using the

MON/TV OUT jacks

Note

• When connecting a monaural VCR, connect the yellow plug to VIDEO (the yellow

jack) and the black plug to AUDIO -L (MONO) (the white jack).

To S video output

Front of TV

Camcorder

Video game

equipment

To video and

audio outputs

VIDEO (yellow)

AUDIO-L

(MONO) (white)

AUDIO-R (red)

Rear of TV

antenna

output

To video and

audio inputs

Audio system

audio

inputs

VCR

:Signal flow

S1 VIDEO

To VIDEO 3

INPUT

To MON/TV

(monitor/

TV) OUT

Audio/Video cable (not supplied)

S video cable (not supplied)

Antenna cable (not supplied)

Audio/Video cable

(not supplied)

Antenna cable (supplied)

VIDEO IN MON/TV

OUT

VIDEO

(MONO)

AUDIO

S1VIDEO

Using Your New TV

Connecting a DVD player

Using the AUDIO/VIDEO connectors, connect VIDEO IN 1 on your TV to LINE OUT

on your DVD player.

Connecting a DVD player with component video output

connectors

1 Using audio connectors, connect L and R of COMPONENT VIDEO (DVD) IN on

your TV to the AUDIO L and R output connectors on your DVD player.

2 Using three yellow video cables, connect Y, C

, and C

of COMPONENT VIDEO

(DVD) IN on your TV to Y, C

, and C

output on your DVD player.

Notes

• Some DVD player terminals may be labeled Y, B-Y, and R-Y. If so, connect

Y (green) to Y, C

(blue) to B-Y, and C

(red) to R-Y.

• Since the high quality pictures on a DVD disc contain a lot of information,

picture noise may appear. In this case, adjust the sharpness (“SHARP”) in

the VIDEO ADJUST menu. (see page 22.)

• Connect your DVD player directly to your TV. Connecting the DVD

player through other video equipment will cause unwanted picture noise.

DVD player

Audio/Video cable

(not supplied)

DVD player

L (white)

R (red)

Audio cable

(not supplied)

To component

video output

Video cable (not supplied)

VIDEO (yellow)

AUDIO-L (MONO) (white)

AUDIO-R (red)

To VIDEO IN 1,

2, or 3

: Signal flow

To audio

output

:Signal flow

To COMPONENT

VIDEO (DVD) IN

VIDEO IN MON/TV

OUT

VIDEO

(MONO)

AUDIO

S1VIDEO

VIDEO

R-AUDIO-L

LINE OUT

VIDEO

R-AUDIO-L

LINE OUT

COMPONENT VIDEO OUT

S VIDEO OUT

YCBCRLR

COMPONENT VIDEO(DVD)IN

– 6 –

Using Your New TV

Securing the TV

To prevent the TV from falling, secure the TV using one of the following methods:

With the supplied screws, attach the band to the TV stand and to the rear of

the TV using the provided hole.

Put the cord or chain through the clamps to secure the TV against a wall or

pillar.

Note

• Use only the supplied screws. Use of other screws may damage the TV.

3.8mm

Using Your New TV

Watching the TV

This section explains functions used

while watching TV. Most operations can

be done using the remote.

Press MAIN POWER to

turn on the TV.

When the TV is in the standby

mode (the STANDBY/

STEREO/WAKE UP indicator

on the TV is lit), press POWER

on the remote or POWER u

on the TV.

The CHANNEL (CH) +/–,

VOLUME .+/–, TV/VIDEO

…, and POWER uindicators

on the TV light up.

Press CH +/– or number

buttons to select the TV

program.

For double digit numbers,

press the numbers, then

ENTER (e.g., for 25, press 2

and 5, then ENTER).

MUTING

DISPLAY

POWER

VIDEO

Number buttons

JUMP

VOL +/–

MAIN POWER

CH +/–

continued

WAKE UP

SLEEP

ENTER

123

456

MAIN POWER

123

456

MUTING DISPLAY GAME

POWER

MTS VIDEO TV

TV/VIDEO FREEZE

SWAP PIP

DVD MENU MENU

PIP CH

DYNAMIC

P.BASSO WAKE UP SLEEP VIRTUAL

DOLBY

VOL CH

POWER

VIDEO

TITLE

– 7 –

Using Your New TV

Turn off temporarily

Turn off completely

Adjust the volume

Mute the sound

Watch the video input

Jump back to the previous channel

Display the on-screen information*

Change the on-screen language

Do this

Press POWER.

The STANDBY/STEREO/WAKE UP indicator on the

TV lights up.

Press MAIN POWER on the TV.

Press VOL +/– (or VOLUME .+/– on the TV).

Press MUTING.

Press VIDEO (or TV/VIDEO …on the TV) to select

“VIDEO 1”, “VIDEO 2”, “VIDEO 3” or “DVD”.

To go back to the TV program, press TV (or TV/VIDEO

…on the TV).

Press JUMP.

Press DISPLAY.

See page 21.

* The picture, sound, and either the program position or video mode are

displayed. The on-screen display for the picture and sound information

disappears after about 3 seconds.

Notes

• When you turn on the TV, you may hear a “boon” sound that is caused by

the demagnetization of the TV. This does not indicate a malfunction.

• When you turn the TV on soon after having turned it off, the picture may

be distorted. This is caused by the demagnetization of the TV and does

not indicate a malfunction.

Additional tasks

Watching the TV (continued)

Using Your New TV

To set the Wake Up timer

1 Press WAKE UP until the desired period of time appears.

Every time you press this button, the period of time changes as

follows:

2 Select the TV program or video mode you want to display when

you wake up.

3 Press POWER on the remote or set the Sleep timer if you want the

TV to turn off automatically.

To cancel the Wake Up timer, press WAKE UP until “WAKE UP

TIMER: OFF” appears or turn off the TV by pressing MAIN

POWER on the TV.

Notes

• The Wake Up timer starts immediately after the on-screen display

disappears.

• If no buttons or controls are pressed for more than two hours after the TV

is turned on using the Wake Up timer, the TV automatically goes into the

standby mode. To continue watching the TV, press any button or control

on the TV or the remote.

To set the Sleep timer

Press SLEEP until the desired period of time appears.

Every time you press this button, the period of time changes as

follows:

To cancel the Sleep timer, press SLEEP until “SLEEP TIMER: OFF”

appears or turn the TV off.

SLEEP TIMER:30M SLEEP TIMER:60M

SLEEP TIMER:OFF SLEEP TIMER:90M

After 30 minutes

No Sleep Timer

After 60 minutes

After 90 minutes

WAKE UP TIMER:10M

WAKE UP TIMER:OFF WAKE UP TIMER:12H00M

After 10 minutes

No Wake Up Timer After 12 hours

– 8 –

Advanced Operations

Listening with

dynamic sound

—DYNAMIC POWER BASSO

The DYNAMIC POWER BASSO sound

mode enables you to enjoy high quality

audio with the best combination of all

types of sound. It reproduces dynamic

and clear sounds and emphasizes low

and high audio effects as well.

Press DYNAMIC P. BASSO.

The sound mode of the TV

program or the video input

changes to the DYNAMIC

POWER BASSO sound.

To go back to the normal sound mode

Press DYNAMIC P. BASSO again.

Tip

• Select any of the sound modes (“HYPER SURROUND” or “A/V

CONTROL”–“DYNAMIC/STANDARD/SOFT/PERSONAL”) to cancel

the DYNAMIC POWER BASSO sound.

Advanced Operations

DYNAMIC

P. BASSO

POWER BASSO :ON

TV/VIDEO FREEZE

SWAP PIP

DVD MENU MENU

PIP CH

DYNAMIC

P.BASSO WAKE UP SLEEP VIRTUAL

DOLBY

VOL CH

POWER

VIDEO

TITLE

Advanced Operations

Listening with

Virtual Dolby*

Surround sound

The Virtual Dolby Surround sound

mode enables you to enjoy Dolby

ProLogic Surround without surround

speakers.

Press DOLBY VIRTUAL.

The sound mode of the TV

program or the video input

changes to the Virtual

Dolby Surround sound.

To go back to the normal sound mode

Press DOLBY VIRTUAL again.

* Manufactured under license from Dolby Laboratories Licensing Corpora-

tion.

DOLBY, the double-D symbol aand “PRO LOGIC” are trademarks of

Dolby Laboratories Licensing Corporation.

The Virtual Dolby Surround of this model consists of Dolby Pro

Logic and TruSurround.

“

is a trademark of SRS Labs, Inc. SRS and the SRS

symbol are registered trademarks of SRS Labs, Inc. in the United

States and selected foreign countries. SRS and TruSurround are

incorporated under license from SRS Labs, Inc.”

DOLBY

VIRTUAL

DOLBY VIRTUAL : ON

TV/VIDEO FREEZE

SWAP PIP

DVD MENU MENU

PIP CH

DYNAMIC

P.BASSO WAKE UP SLEEP VIRTUAL

DOLBY

VOL CH

POWER

VIDEO

TITLE

– 9 –

Advanced Operations

Watching two

programs at the

same time

—PIP

With the Picture-in-Picture (PIP) feature,

you can display a sub screen within the

main picture of different TV programs

or video inputs.

Displaying the PIP screen

Press PIP.

To select a TV program in the PIP screen

Press Vor v, and press .

To select a video input in the PIP screen

Press TV/VIDEO (or TV/VIDEO …on the TV).

To go back to the normal screen

Press PIP.

Tips

• You can also display the PIP screen using the menu (see “Adjusting the

PIP setting” on page 24).

• You can change the position of the PIP screen (see “Adjusting the PIP

setting” on page 24).

• You can also select a TV program in the PIP screen using the menu (see

“Adjusting the PIP setting” on page 24).

TV/VIDEO, FREEZE,

SWAP, PIP

V/v/

PIP

123

456

MUTING DISPLAY GAME

POWER

MTS VIDEO TV

TV/VIDEO FREEZE

SWAP PIP

DVD MENU MENU

PIP CH

DYNAMIC

P.BASSO WAKE UP SLEEP VIRTUAL

DOLBY

Advanced Operations

Additional PIP tasks

swap pictures between the main

and PIP screens

freeze the PIP screen

Notes

• When you display a video input on the PIP screen at a faster/slower

speed, the picture may be disrupted depending on the VCR type.

• If you display different color systems on the main screen and the PIP

screen, the size of the PIP screen may be different and the PIP picture may

be disrupted. This does not indicate a malfunction of the TV.

Press

SWAP

FREEZE

To unfreeze the screen, press the button again.

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