Sony Bravia KDL-32R330B Manual de usuario

SERVICE MANUAL

Version Date Subject

1.0 5/2014 Original manual issue.

LCD Digital Color TV

9-888-163-01

HISTORY INFORMATION FOR THE FOLLOWING MANUAL:

ORIGINAL MANUAL ISSUE DATE: 5/2014 Chassis Name : RB2TP

Segment Name : MB

KDL-32R330B/40R380B 2

MODEL LIST

MODEL COLOR COMMANDER DEST.

KDL-32R330B Black RM-YD092 America

KDL-40R380B Black RM-YD092 America

Table of content

Description Page

WARNINGS AND CAUTIONS………………………………………… 4

USE CAUTION WHEN HANDLING THE LCD PANEL…………… 5

SAFETY CHECK-OUT………………………………………………… 6

SELF DIAGNOSIS FUNCTION……………………………………… 8

SERVICE POSITION…………………………………………………… 9

SEC 1. DISASSEMBLY AND PARTS LIST…………………………… 11

1-1. KDL-32R330B …………………………………………………… 12

1-1-1. BASE STAND……………………………………………… 12

1-1-2. REAR COVER ……………………………………………… 13

1-1-3. POWER BOARD, A BOARD AND SPEAKER ………… 14

1-1-4. LCD PANEL, DECO and COVER, BOTTOM ………… 15

1-1-5. MISCELLANEOUS………………………………………… 16

1-2. KDL-40R380B…………………………………………………… 17

1-2-1. BASE STAND……………………………………………… 17

1-2-2. REAR COVER..…………………………………………… 18

1-2-3. POWER BOARD, A BOARD AND SPEAKER ………… 19

1-2-4. LCD PANEL, DECO and COVER, BOTTOM ………… 20

1-2-5. MISCELLANEOUS………………………………………… 21

1-3. How to disassemble rear cover [KDL-32R330B/40R380B] 22

1-4. How to disassemble Deco [KDL-32R330B/40R380B]…… 23

1-5. How to disassemble LVDS cable [KDL-32R330B/40R380B] 24

1-6. How to disassemble IR Board[KDL-32R330B/40R380B] … 25

1-7. How to ass’y the LED lens [KDL-32R330B/40R380B]…… 26

1-8. How to assemble the Himeron Countermeasure of panel

[KDL-32R330B/40R380B] …………………………………… 27

1-8-1. KDL-32R330B……………………………………………… 27

1-8-2. KDL-40R380B……………………………………………… 29

Description Page

SEC 2. ADJUSTMENT…………………………………………………… 30

SEC 3. DIAGRAMS AND CHASSIS STRUCTURE………………… 32

3-1. BLOCK DIAGRAM……………………………………………… 32

3-2. CONNECTOR DIAGRAM……………………………………… 33

3-3. CIRCUIT BOARDS LOCATION……………………………… 34

3-4. Tape location……………………………………………………… 35

APPENDIX-1 Trouble analysis flow…………………………………… 37

APPENDIX-2 Software data update…………………………………… 38

APPENDIX-3 Operation Time, Boot Count, Panel Operation Time 42

APPENDIX-4 Reset and Edit Serial Number………………………… 43

APPENDIX-5 Select Panel Type………………………………………… 45

KDL-32R330B/40R380B

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 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 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-32R330B/40R380B

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

7) Use care when handling the wires or connectors of the inverter circuit. Damaging the wires may cause a short.

8) Protect the panel from ESD to avoid damaging the electronic circuit (C-MOS).

9)It is recommended not to exceed 1 hour of Power-On nor Burn-in period with LCD panel face down condition, in repair activity.

10)Disconnect the AC power when replacing the parts.(FFC cable etc.).

KDL-32R330B/40R380B

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-32R330B/40R380B

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” indicationis 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 retainingscrew 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 retainingscrew. 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-32R330B/40R380B

SELF DIAGNOSIS FUNCTION

This model doesn’t support Self Diagnosis Function.

KDL-32R330B/40R380B

SERVICE POSITION

<KDL-32R330B> 2. Remove all screws on the Rear Cover to

Bezel & Main Board & Bracket (thirteen screws)

1. Remove all screws on the Stand

to main unit (four screws)

3. After removing rear cover , lie down the main unit

to a surface for following test/repair.

2-580-603-01 SCREW, +PSW M4X16

2-345-219-11 +B IB 3X-- CM3 (SCREW M3X6)

2-580-638-01 SCREW, +BVTP2 4X8

7-682-903-19 SCREW +PWH 3X6

As for this model, the bottom of rear cover is installed between the stand assy and the panel.

Therefore according to the following procedure when performing adjustment and operation check after the part replacement.

Note: Remove rear cover, then assemble the stand to main unit. This

will cause the stand with main unit fit closely, scratch or deformation

may occurred easily on the stand or bezel deco.

Attention: This photo is based on Sony criteria for appearing standing the

main unit after removing back cover and assembling the stand. But

considering mechanical design of this models and normal service process,

it is not recommended to keep main unit standing by this status for

repairing/testing at repair center. Please pay attention for avoiding

possible scratch/deformation occurred.

KDL-32R330B/40R380B

<KDL-40R380B>

2. Remove all screws on the Rear Cover to

Bezel & Main Board & Bracket (fifteen screws)

1. Remove all screws on the Stand

to main unit (four screws)

3. After removing rear cover , lie down the main unit

to a surface for following test/repair.

2-580-603-01 SCREW, +PSW M4X16

2-345-219-11 +B IB 3X-- CM3 (SCREW M3X6)

2-580-638-01 SCREW, +BVTP2 4X8

7-682-903-19 SCREW +PWH 3X6

Note: Remove rear cover, then assemble the stand to main unit. This

will cause the stand with main unit fit closely, scratch or deformation

may occurred easily on the stand or bezel deco . And Stand will be

interference with Speaker.

Attention: This photo is based on Sony criteria for appearing standing the

main unit after removing back cover and assembling the stand. But

considering mechanical design of this models and normal service process,

it is not recommended to keep main unit standing by this status for

repairing/testing at repair center. Please pay attention for avoiding

possible scratch/deformation occurred.

KDL-32R330B/40R380B

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