Sony KDL-32EX400 - Bravia Ex Series Lcd... Bedienungsanleitung

HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

SERVICE MANUAL

AZ1-L CHASSIS

Segment: 3a-2

ORIGINAL MANUAL ISSUE DATE: 12/2009

Version

Date

Subject

Version

Date

Subject

1.0 12/2009 No revisions or updates are applicable at this time.

2.0 01/2010 Change Destination of General Area and replace Block Diagram.

3.0 04/2010 Add Base, Cover, Neck Information for KDL-40EX400 (Page 46)

4.0 08/2010 Add Support, Panel information (Page 38), (Page 41)

5.0 09/2010 Change Link of Disassembly Movie (Page 13)

6.0 10/2010 Add Note for Disassembly Movie download ( Page 13 )

7.0 11/2010 Add Troubleshooting Reference information ( Page 48 )

8.0 08/2011 Part Information Charge:

i) Delete Power Supply Cord (Pg 39), (Pg 42).

ii) Revised Old Power Supply Cord destinations ((Pg 53) (Pg 55).

iii) Add

New

Power Supply Cord and destinations

(Pg

)(Pg

)

iii)

Add

New

Power

Supply

Cord

and

destinations

(Pg

)

(Pg

)

iv) Plug Conversion Adaptor destination correction (Pg 44), (Pg 46).

v) Instruction Manual P/N Suffix Change and Destination Correction

(Pg 45), (Pg 47).

LCD Digital Color TV

SERVICE MANUAL

LCD Digital Color TV

AZ1-L CHASSIS

Segment: 3a-2

KDL-32/40EX400(HK/WB/GA)3

MODEL LIST

MODEL COLOR COMMANDER DEST.MODEL COLOR COMMANDER DEST.

KDL-32EX400 Black RM-GD015 Hong Kong

KDL-32EX400 Blue RM-GD015 Hong Kong

KDL-32EX400 Red RM-GD015 Hong Kong

KDL-32EX400 Black RM-CD009 Taiwan

KDL-32EX400 Blue RM-CD009 Taiwan

KDL-32EX400 Red RM-CD009 Taiwan

KDL-32EX400 Black RM-GD015 Australia, New

Zealand, Singapore ,

South Africa , GAA

KDL-32EX400 Blue RM-GD015 Australia, New

Zealand, Singapore ,

South Africa , GAA

KDL-32EX400 Red RM-GD015 Australia, New

Zealand, Singapore ,

South Africa , GAA

KDL-40EX400 Black RM-GD015 Hong Kong

KDL-40EX400 Black RM-CD009 Taiwan

KDL-40EX400 Black RM-GD015 New Zealand ,

Singapore , South

Africa

KDL-32/40EX400(HK/WB/GA)4

WARNINGS AND CAUTIONS -ENGLISH

CAUTION

These servicing instructions are for use by qualified service personnel only.

To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to

do so.

WARNING!!

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

The chassis of this receiver is directly connected to the ac power line.

CARRYING THE TV

Be sure to follow these guidelines to protect your property and avoid causing serious injury.

• Carry the TV with an adequqate 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 damages.

SAFETY-RELATED COMPONENT WARNING!!

Components identified by shading and ! mark on 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. Circuit

adjustments that are critical for safe operation are identified in this manual. Follow these procedures whenever critical components are replaced or

improper operation is suspected.

KDL-32/40EX400(HK/WB/GA)5

WARNINGS AND CAUTIONS -FRENCH

ATTENTION!!

Ces instructions de service sont à l’usage du personnel de service qualifi é seulement.

Pour prévenir le risque de choc électrique, ne pas faire l’entretien autre que celui contenu dans le Mode d’emploi à moins que vous soyez qualifi é

faire ainsi.

WARNING!!

Afi n d’eviter tout risque d’electrocution provenant d’un chássis sous tension, un transformateur d’isolement doit etre utilisé lors de tout

dépannage. Le chássis de ce récepteur est directement raccordé à l’alimentation du secteur.

POUR TRANSPORTER LE TÉLÉVISEUR

Tenez compte de ce qui suit pendant l’installation du téléviseur :

• Débranchez tous les câbles avant de transporter le téléviseur.

• Transportez le téléviseur avec le nombre de personnes approprié ; un téléviseur de grande taille doit être transporté par au moins deux personnes.

• Lors du transport du téléviseur, l’emplacement des mains est très important pour votre sécurité, ainsi que pour éviter de causer des dommages.

ALERTE!!

Afi n d’eviter tout risque d’electrocution provenant d’un chassis sous tension, un transformateur d’isolement doit etre utilise lors de tout

depannage. Le chassis de ce recepteur est directement raccorde a l’alimentation du secteur.

ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!

Les composants identifi es par une trame et par une marque ! 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 Sony. Les reglages de circuit dont l’importance est critique pour la securite du

fonctionnement sont identifi es dans le present manuel. Suivre ces procedures lors de chaque remplacement de composants critiques, ou lorsqu’un

mauvais fonctionnement suspecte.

KDL-32/40EX400(HK/WB/GA)6

WARNINGS AND CAUTIONS

USE CAUTION WHEN HANDLING THE LCD PANEL

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

When repairing the LCD panel on the wall, the LCD panel must be secured using the 4 mounting holes on the rear cover.

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).

KDL-32/40EX400(HK/WB/GA)7

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 below.

8. For safety reasons, repairing the Power board and/or Inverter board is prohibited.

KDL-32/40EX400(HK/WB/GA)8

SAFETY CHECK-OUT

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, such as the Simpson 229 or RCA WT-540A. Follow the

manufacturers’ instructions to use these instructions.

2. A battery-operated AC milliampmeter. The Data Precision 245 digital multimeter is suitable

for this job.

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.

The Simpson’s 250 and Sanwa SH-63TRD are examples of passive VOMs that are suitable.

Nearly all battery-operated digital multimeters that have a 2 VAC range are suitable (see

Figure A).

How to Find a Good Earth Ground

A cold-water pipe is a guaranteed earth ground; the cover-plate retaining screw on most AC outlet

boxes is also at earth ground.

If the retaining screw is to be used as your earth ground, verify that it is at ground by measuring the

resistance between it and a cold-water pipe with an ohmmeter. The reading should be zero ohms.

If a cold-water pipe is not accessible, connect a 60- to 100-watt trouble- light (not a neon lamp)

between the hot side 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).

KDL-32/40EX400(HK/WB/GA)9

SELF DIAGNOSIS FUNCTION

DIAGNOSTIC TEST INDICATORS

When an error occurs, the STANDBY LED will flash a set number

of times to indicate the possible cause of the problem.

If there is more than one error, the LED will identify the first of the

problem areas.

Result for all of the following diagnostic items are displayed on

screen.

If the screen displays a “0”, no error has occurred .

The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY LED will automatically begin to flash.

The number of times the LED flashes translates to a probable source of the problem.

A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user’s knowledge and reference.

If an error symptom cannot be reproduced, the remote commander can be used to review the failure occurrence data stored in memory to reveal past

problems and how often these problems occur.

STBY LED

Flash time

Service menu Item name

(Screeen Dsisplay) Diagnostic Item Description

2 MAIN_POWE Main Power Over Voltage Protection

DC_ALERT DC_ALERT

DTT_WDT DTT Error

AUD_PROT Audio Abnormal Detection

4 BALANCER_ Panel Balancer Error

TCON_ERR T-CON Error

HFR_ERR HFR Error

P_ID_ERR Panel ID NVM Error

6 BACKLITE_ Back Light Error (Panel Inverter)

TEMP_ERR Thermal Error

FAN_ERR FAN Error (Not Detected. Display Only)

8-Not used

9-Not used

10 - Not used

11 - Not used

12 - Not used

- RGB_SEN RGB Sensor ACK Error

KDL-32/40EX400(HK/WB/GA)10

SELF DIAGNOSIS FUNCTION

DISPLAY OF STANDBY LED FLASH COUNT

SELF-DIAGNOSTIC SCREEN DISPLAY

For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up

past occurrences of failure for confirmation on the screen:

[To Bring Up Screen Test]

In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below:

0.5

0.5 3

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