Sony KDL-24R400A Bravia Manual de usuario

LCD DIGITAL COLORTV

SERVICE MANUAL

9-883-556-51

LEVEL

CONFIDENTIAL

HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

ELECTRICALSERVICE INTERNAL DISTRIBUTIONONLY

REVISION DATE SUBJECT

11/15/2013 Original Manual Release Date

Self Diagnosis

Supported model

MODEL COMMANDER DESTINATION

KDL-24R400A RM-YD092 Mexico / Latin America

KDL-24R405A RM-YD093 Chile / Peru / Venezuela

KDL-24R407A RM-YD093 Colombia

KDL-32R400A RM-YD093 US / Canada

KDL-32R400A RM-YD092 Mexico / Latin America

KDL-32R405A RM-YD093 Chile / Peru / Venezuela

KDL-32R407A RM-YD093 Colombia

KDL-32R421A RM-YD092 Mexico

KDL-32R425A RM-YD093 Chile / Peru / Venezuela

KDL-40R450A RM-YD092 US / Canada

KDL-40R450A RM-YD092 Mexico / Latin America

KDL-40R471A RM-YD092 Mexico

KDL-40R457A RM-YD093 Colombia

KDL-40R455A RM-YD093 Chile / Peru / Venezuela

KDL-40R475A RM-YD093 Chile / Peru

KDL-46R450A RM-YD092 Mexico / Latin America

KDL-46R450A RM-YD092 Canada

KDL-46R455A RM-YD093 Chile / Peru / Venezuela

KDL-46R457A RM-YD093 Colombia

KDL-46R471A RM-YD092 Mexico

RB1FK

CHASSIS

Segments: BA

ORIGINAL MANUALISSUE DATE: 11/2013

Chassis: RB1FK, BA

Chassis: RB1FK, BA 2

TABLE OF CONTENTS

SECTION TITLE PAGE

SECTION 1: DIAGRAMS...................................................................................................................................................................................................3

1-1. Printed Circuit Boards and Schematic Diagrams Information ....................................................................................................................3

1-2. Connector Diagrams........................................................................................................................................................................................4

1-3. Main Board (A Board) ......................................................................................................................................................................................5

A Board Component Side................................................................................................................................................................................5

A Board Conductor Side..................................................................................................................................................................................6

A Board Schematic ..........................................................................................................................................................................................7

1-4. Electrical Parts List / Main Board (A)..........................................................................................................................................................27

SECTION 2: POWER SUPPLY BOARD (G BOARD).....................................................................................................................................................28

G Board Component Side .............................................................................................................................................................................28

G Board Schematic........................................................................................................................................................................................29

SECTION 3: IR BOARD (H BOARD) ..............................................................................................................................................................................30

H Board Component Side..............................................................................................................................................................................30

H Board Conductor Side ...............................................................................................................................................................................30

H Board Schematic..........................................................................................................................................................................................31

APPENDIX A: ENCRYPTION KEY COMPONENTS.....................................................................................................................................................A-1

Chassis: RB1FK, BA

CAUTIONS AND WARNINGS

CAUTION

. To reduce the risk of electric shock, do not

WARNING!!

An isolation transformer should be used during any service to avoid possible shock hazard, in case of live chassis.

SAFETY-RELATED COMPONENT WARNING!!

shading and

mark on the schematic diagrams and the parts list. It is essential that these critical parts be replaced only

NOTE: Do not modify the original design without obtaining written permission from the manufacturer or you will void the

original parts and labor warranty.

ATTENTION!!

ainsi.

ALERTE!!

lors de tout dépannage.

ATTENTION AUX COMPOSANTS

RELATIFS A LA SECURITE!!

sur les schemas de principe, les vues explosees et

les listes de pieces sont d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des

composants Sony dont le numero de piece est indique dans le present manuel ou dans des supplements publies par

present manuel. Suivre ces procedures lors de chaque remplacement de composants critiques, ou lorsqu’un mauvais

fonctionnement suspecte.

Chassis: RB1FK, BA 3

Chassis: RB1FK, BA

USE CAUTION WHEN HANDLING THE LCD PANEL

When repairing the LCD panel, be sure you are grounded by using a wrist band.

When installing the LCD panel on a wall, the LCD panel must be secured using the 4 mounting holes on the rear

cover.

To avoid damaging the LCD panel:

1. Do not press on the panel or frame edge to avoid the risk of electric shock.

2. Do not scratch or press on the panel with any sharp objects.

3. Do not leave the module in high temperatures or in areas of high humidity for an extended period of time.

4. Do not expose the LCD panel to direct sunlight.

5. Avoid contact with water. It may cause a short circuit within the module.

6. Disconnect the AC power when replacing the backlight (CCFL) or inverter circuit.

(High voltage occurs at the inverter circuit at 650Vrms.)

7. Always clean the LCD panel with a soft cloth material.

8. Use care when handling the wires or connectors of

the inverter circuit. Damaging the wires may cause a

short.

9. Protect the panel from ESD to avoid damaging the

electronic circuit (C-MOS).

10. During the repair, DO NOT leave the Power On for

more than 1 hour while the TV is face down on a

cloth.

CLEANING THE LCD PANEL

CAUTION: When cleaning the TV, be sure to unplug the power cord to avoid any chance of electric shock.

Clean the cabinet of the TV with a dry soft cloth.

Wipe the LCD screen gently with a soft cloth.

Stubborn stains may be removed with a cloth slightly moistened with a solution of mild soap and warm water.

If using a chemically pretreated cloth, please follow the instruction provided on the package.

Never use strong solvents such as a thinner, alcohol or benzine for cleaning.

Periodic vacuuming of the ventilation openings is recommended to ensure proper ventilation.

Do Not use paper towels, any type of abrasive pad, rags, rubber or vinyl materials to clean the screen. Using

these materials could easily scratch the screen which may result in permanent damage.

Do Not use any cleaning product containing alkaline/acid cleaner, scouring powder

, or volatile solvent, such as

alcohol, ammonia, benzine, thinner or insecticide. Using any of these harsh cleaners may result in permanent

damage to the screen.

Do Not spray water or detergent directly onto the

TV screen . If liquid drips into the bottom of the screen it may

cause a failure.

SETTING UP AND CARRYING THE TV

• Disconnect all cables when carrying the TV.

• Carry the TV with the adequate number of people; larger size TVs require two or more people.

• Correct hand placement while carrying the TV is very important for safety and to avoid damage.

Chassis: RB1FK, BA 4

Chassis: RB1FK, BA

SAFETY CHECK-OUT

After correcting the original service problem, perform the

following safety checks before releasing the set to the

customer:

1. Check the area of your repair for unsoldered or

poorly soldered connections. Check the entire

board surface for solder splashes and bridges.

2. Check the interboard wiring to ensure that no

wires are “pinched” or touching high-wattage

resistors.

3. Check that all control knobs, shields, covers,

ground straps, and mounting hardware have been

replaced. Be absolutely certain that you have

replaced all the insulators.

4. Look for unauthorized replacement parts,

particularly transistors, that were installed during

a previous repair. Point them out to the customer

and recommend their replacement.

5. Look for parts which, though functioning, show

obvious signs of deterioration. Point them out to

the customer and recommend their replacement.

6. Check the line cords for cracks and abrasion.

Recommend the replacement of any such line

cord to the customer.

7. Check the antenna terminals, metal trim,

“metallized” knobs, screws, and all other exposed

metal parts for AC leakage. Check leakage as

described in “Leakage Test”.

LEAKAGE TEST

The AC leakage from any exposed metal part to earth

ground and from all exposed metal parts to any exposed

metal part having a return to chassis, must not exceed

0.5 mA (500 microamperes). Leakage current can be

measured by any one of three methods.

1. A commercial leakage tester. Follow the

manufacturers’ instructions provided with the

tester.

2. A battery-operated AC milliammeter.

3. Measuring the voltage drop across a resistor

by means of a VOM or battery-operated AC

voltmeter. The “limit” indication is 0.75 V, so

analog meters must have an accurate low

voltage scale. Nearly all battery-operated digital

multimeters that have a 2 VAC range are suitable.

(see Figure A)

To Exposed Metal

Parts on Set

0.15 µF

Earth Ground

Voltmeter

(0.75V)

Figure A. Use anAC voltmeter to check AC leakage.

HOW TO FIND A GOOD EARTH GROUND

The cover-plate retaining screw on most AC outlet boxes

is at earth ground. Verify the AC outlet box retaining screw

ground by connecting a 60W to 100W incandescent

of the receptacle and the retaining screw. Try both slots,

if necessary, to locate the hot side on the line; the lamp

should light at normal brilliance if the screw is at ground

potential. (see Figure B)

Figure B. Checking for earth ground.

Trouble Light

AC Outlet Box

Chassis: RB1FK, BA 5

Chassis: RB1FK, BA

e c

rcu

oar

s use

n t

ese mo

ave

een processe

Lead Free Solder. The boards are identified by the LF logo located

close to the board designation e.g. H1 etc [ see example ]. The

servicing of these boards requires special precautions to be taken as

outlinedbelow.

example

It is strongly recommended to use Lead Free Solder material in order to guarantee optimal quality of new solder joints.

Lead Free Solder is available under the following part numbers :

Due

to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees celsius.

This

requires solderingequipment capableof accuratetemperature controlcoupled with agood heatrecovery characteristics.

rebmuntraP retemaiD skrameR

91-500-046- m7 m3. g0 K52.0

02-500-046- m7 m4. g0 K05.0

12-500-046- m7 m5. g0 K05.0

22-500-046- m7 m6. g0 K52.0

32-500-046- m7 m8. g0 K00.1

42-500-046- m7 m0. g1 K00.1

52-500-046- m7 m2. g1 K00.1

62-500-046- m7 m6. g1 K00.1

Chassis: RB1FK, BA 6

Chassis: RB1FK, BA

1-1. PRINTED CIRCUIT BOARDS AND SCHEMATIC DIAGRAMS INFORMATION

All capacitors are in µF unless otherwise noted. pF : µµF 50WV or

less are not indicated except for electrolytics and tantalums.

All electrolytics are in 50V unless otherwise specied.

All resistors are in ohms. kΩ=1000Ω, MΩ=1000kΩ

Indication of resistance, which does not have one for rating

electrical power, is as follows: Pitch : 5mm

Rating electrical power :

1/4 W

1/4 W in resistance, 1/10 W and 1/16 W in chip resistance.

: nonammable resistor

: fusible resistor

: internal component

: panel designation and adjustment for repair

: earth ground

: earth-chassis

All variable and adjustable resistors have characteristic curve B, unless

otherwise noted.

Readings are taken with a color-bar signal input.

Readings are taken with a 10MΩdigital multimeter.

Voltages are DC with respect to ground unless otherwise noted.

Voltage variations may be noted due to normal production

tolerances.

All voltages are in V.

S : Measurement impossibility.

: B+line.

: B-line. (Actual measured value may be different).

: signal path. (RF)

Circled numbers are waveform references.

The components identied by shading and

symbol are critical for safety. Replace

only with part number specied.

The symbol indicates a fast-blow fuse and is displayed on the component

side of the board. Replace only with fuse of the same rating as marked.

NOTE: The components identied by a red outline and a mark contain condential

information. Specic instructions must be adhered to whenever these components

are repaired and/or replaced.

See Appendix A: Encryption Key Components in the back of this manual.

CAPACITOR

: TA TANTALUM

: PS STYROL

: PP POLYPROPYLENE

: PT MYLAR

: MPS METALIZED POLYESTER

: MPP METALIZED POLYPROPYLENE

: ALB BIPOLAR

: ALT HIGH TEMPERATURE

: ALR HIGH RIPPLE

REFERENCE INFORMATION

RESISTOR

: RN METAL FILM

: RC SOLID

: FPRD NONFLAMMABLE CARBON

: FUSE NONFLAMMABLE FUSIBLE

: RW NONFLAMMABLE WIREWOUND

: RS NONFLAMMABLE METAL OXIDE

: RB NONFLAMMABLE CEMENT

: ADJUSTMENT RESISTOR

COIL

: LF-8L MICRO INDUCTOR

B1 E1

B2 C1E2

–

B2 E2

B1 C2

B2 E2C1

B1 C2E1

B2 E2C1

B1 C2E1

B1 E1

C1(B2)

(B2)

C2C1

C2C1(B2)

C2E1(B2)

E2E1(B2)

Ver.1.6

Transistor

(FET)

Transistor

Discrete semiconductor

(Chip semiconductors that are not actually used are included.)

Diode

Source

Anode Anode

(NC)

Cathode

Anode

Cathode

Common

Cathode Cathode

Common

Cathode Cathode

Common

Cathode

Anode

Base Emitter

Collector

Base Emitter

Collector

Drain

Gate

Drain

Device Printed symbol Terminal name Circuit

Terminal name of semiconductors in silk screen

printed circuit ( )

Anode

Anode Cathode

Anode Anode

Cathode

Transistor

(FET)

Transistor

(FET)

Emitter

Collector

Base

Transistor

Source

Gate

Drain

Cathode

Anode

Anode Cathode

Anode

SECTION 1: DIAGRAMS

Chassis: RB1FK, BA 7

Chassis: RB1FK, BA 8

Chassis: RB1FK, BA

1-2. CONNECTOR DIAGRAMS

TCON Board

CN4001

CN201

CN4002

CN4003

Main Board

IR Board

Power Board

Keypad Board

LCD Panel

CN8001

Chassis: RB1FK, BA

Chassis: RB1FK, BA 9

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |

27 | 28 |

—

[SYSTEM POWER/YPBPR/AV/SPDIF/USB/HDMI/DDR/FLASH/PREAMP/AUDIO AMP/LVDS/DEMOD/TUNER/ETHERNET]

A BOARD COMPONENT SIDE

1-3. MAIN BOARD (A BOARD)

Chassis: RB1FK, BA

Chassis: RB1FK, BA 10

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |

27 | 28 |

—

[SYSTEM POWER/YPBPR/AV/SPDIF/USB/HDMI/DDR/FLASH/PREAMP/AUDIO AMP/LVDS/DEMOD/TUNER/ETHERNET]

A BOARD CONDUCTOR SIDE

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