Haier Le86h9000u User manual

1111

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Ha Ha Ha Hai iiier er er erSERVICE SERVICE SERVICE SERVICEM MMMA AAANUAL NUAL NUAL NUAL LED LED LED LEDTV TV TV TV

Model Model Model ModelNo. No. No. No.LE86H9000U LE86H9000U LE86H9000U LE86H9000U

Main Main Main Mainchipset: chipset: chipset: chipset:MS6488E MS6488E MS6488E MS6488E

Allrightsreserved.Unauthorizedcopyingand

distributionisaviolationoflaw

WARNING WARNING WARNING WARNING

2

Service

Service Manual

Manual

Model No.:

LE86H9000U

CONTENTS

Chapter

Chapter 1.

1.

1. General

General

General Information

Information

1-1.

1-1. Document

Document

Document Information

Information

Information ............................................................

............................................................

............................................................ ..4

..4

1-2.

1-2. General

General

General Guidelines...................................................................

Guidelines...................................................................

Guidelines................................................................... ..4

..4

1

1 -3

-3

-3 .

.

. Important

Important

Important Notice.......................................................................

Notice.......................................................................

Notice....................................................................... ..4

..4

1-3-1. Follow the regulations and warnings ....................... ... ................. . ............. 4

1-3-2. Be careful to the electrical shock .................................... .... .. . ..................... .4

1-3-3. Electro static discharge (ESD)............................................... .... ................ .4

1-3-4. About lead free solder (PbF).................................................. ...... ................ .5

1-3-5. Use the genewing parts (speci  ed parts) ................................. .... ............. 5

1-3-6 Safety check after repairment...................................................... .... ........... 5

1-3-7. Ordering Spare Parts.................................................................. .... ........... 6

1-3-8. Photo used in this manual ........................................................ ...... .............6

1-4.

1-4. How

How

How to

to

to Read

Read

Read this

this

this Service

Service

Service Manual

Manual

Manual ...........................................

...........................................

........................................... .

.

. 6

6

Using icons ................................................................................................ ...... .............. . 6

Chapter

Chapter 2.

2.

2. Speci

Speci

Speci 



 cation

cation

2-1.

2-1. Speci

Speci

Speci 



 cation

cation

cation list.......................................................................

list.......................................................................

list....................................................................... ..

..

.. 8

8

2-2.

2-2. External

External

External pictures

pictures

pictures (four

(four

(four faces).................................................

faces).................................................

faces)................................................. ...

...

... 9

9

Chapter

Chapter 3.

3.

3. Disassemble

Disassemble

Disassemble and

and

and Assemble

Assemble

3-1.

3-1. LE86H9000U

LE86H9000U

LE86H9000U ...........................................................................11

...........................................................................11

3-1-1. Remove the Stand.......................................................... ..................... ..... .. 11

3-1-2. Remove the Back Cabinet ................................................. ....................... .11

3-1-3. Remove the Mainboard....................................................... ....................... 11

3-1-4. Remove the Power Supply Module ................................... ........................ 11

3-1-5. Remove the Speaker........................................................... ....................... 11

3-1-6. Remove the Remote Control Board .................................. ........................ 12

3-1- 7 . Remove the Key Board....................................................... ....................... 12

Chapter

Chapter 4.

4.

4. Location

Location

Location of

of

of Controls

Controls

Controls and

and

and Components

Components

4-1.

4-1. Board

Board

Board Location

Location

Location ......................................................................

......................................................................

...................................................................... ..

..

.. 13

13

4-2.

4-2. Mainboard

Mainboard

Mainboard ..............................................................................

..............................................................................

.............................................................................. ..

..

.. 14

14

4-2-1. Function Description .............................. ................... ................. .... ...........14

4-2-2. Connector de  nition ........................................... ....................... ................14

4-3.LED

4-3.LED Panel

Panel

Panel ......................................................................

......................................................................

...................................................................... .........

.........

......... 1

1

1 5

5

4-3.

4-3. L

L

L E

E

E D

D

D Panel

Panel

Panel LVDS

LVDS

LVDS Interface

Interface

Interface Connections

Connections

Connections …

…

… .

.

. ..................

..................

.................. .........

.........

......... 1

1

1 6

6

Chapter

Chapter 5.

5.

5. Installation

Installation

Installation Instructions

Instructions

Instructions5-1.

5-1.

5-1. Accessories

Accessories

Accessories ...........................................................................

...........................................................................

........................................................................... ..

..

.. 1

1

1 7

7

5-2.

5-2. Base

Base

Base Stand

Stand

Stand Assembly

Assembly

Assembly Instruction.....................................

Instruction.....................................

Instruction..................................... .....

.....

..... 1

1

1 8

8

3

Service

Service Manual

Manual

Model No.:

LE86H9000U

Chapter

Chapter 6.

6.

6. Operation

Operation

Operation Instructions

Instructions

6-1.

6-1. Front

Front

Front Panel

Panel

Panel Controls.....................................................................19

Controls.....................................................................19

6-2.

6-2. Back

Back

Back Panel

Panel

Panel Controls

Controls

Controls .....................................................................20

.....................................................................20

6-3.

6-3. Setting

Setting

Setting Up

Up

Up Your

Your

Your Remote

Remote

Remote Control

Control

Control .................................................21

.................................................21

Chapter

Chapter 7.

7.

7. Electrical

Electrical

Electrical Parts

Parts

7-1.

7-1. Circuit

Circuit

Circuit Diagram...............................................................................22

Diagram...............................................................................22

Chapter

Chapter 8.

8.

8. Measurements

Measurements

Measurements and

and

and Adjustments

Adjustments

8-1.

8-1. Software

Software

Software Update

Update

Update ............................................................................

............................................................................

............................................................................ 22

22

Chapter

Chapter 9.

9.

9. Trouble

Trouble

Trouble shooting

shooting

9-1.PowerTroubleshooting

9-1.PowerTroubleshooting ..................................................................

..................................................................

.................................................................. 27

27

4

Service

Service Manual

Manual

Model No.:

LE86H9000U

Chapter

Chapter 1.

1.

1. General

General

General Information

Information

1-1.

1-1. Document

Document

Document Information

Information

Document format: Adobe PDF

Author: Gaobingbing

Compiler:

1-2.

1-2. General

General

General Guidelines

Guidelines

When servicing, observe the original lead dress. If a short circuit is found, replace all parts which

have been overheated or damaged by the short circuit.

After servicing, see to it that all the protective devices such as insulation barriers, insulation papers

shields are properly installed.

After servicing, make the following leakage current checks to prevent the customer from being

exposed to shock hazards.

1) Leakage Current Cold Check

2) Leakage Current Hot Check

3) Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive

1-3.

1-3. Important

Important

Important Notice

Notice

1-3-1. Follow the regulations and warnings

Most important thing is to list up the potential hazard or risk for the service personnel to open

the units and disassemble the units. For example, we need to describe properly how to avoid the

possibility to get electrical shock from the live power supply or charged electrical parts (even the

power is off).

This symbol indicates that high voltage is present inside.It is dangerous to make any

king of contact with any inside part of this product.

This symbol indicates that there are important operating and maintenance instructions

in the literture accompanying the appliance.

1-3-2. Be careful to the electrical shock

To prevent damage which might result in electric shock or  re, do not expose this TV set to rain

or excessive moisture. This TV must not be exposed to dripping or splashing water, and objects

 lled with liquid, such as vases, must not be placed on top of or above the TV.

1-3-3. Electro static discharge (ESD)

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such

components commonly are called Electrostatically Sensitive (ES) Devices. The following

techniques should be used to help reduce the incidence of component damage caused by

electros static discharge (ESD).

Electrostatically

Electrostatically Sensitive

Sensitive

Sensitive (ES)

(ES)

(ES) Devices

Devices

DevicesSome semiconductor (solid-state) devices can be damaged easily by static electricity. Such

components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical

ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"

components. The following techniques should be used to help reduce the ncidence of component

damage caused by static by static electricity.

1. Immediately before handling any semiconductor component or semiconductor-equipped

assembly, drain off any electrostatic charge on your body by touching a known earth ground.

5

Service

Service Manual

Manual

Model No.:

LE86H9000U

Alternatively, obtain and wear a commercially available discharging wrist strap device, which

should be removed to prevent potential shock reasons prior to applying power to the unit under

test.

2. After removing an electrical assembly equipped with ES devices, place the assembly on a

conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure

of the assembly.

1-3-4. About lead free solder (PbF)

This product is manufactured using lead-free solder as a part of a movement within the

consumer products industry at large to be environmentally responsible. Lead-free solder must be

used in the servicing and repairing of this product.

1-3-5. Use the genewing parts (speci  ed parts)

Special parts which have purposes of  re retardant (resistors), high-quality sound (capacitors),

low noise (resistors), etc. are used.

When replacing any of components, be sure to use only manufacture's speci  ed parts shown in

the parts list.

Safety

Safety Component

Component

● Components identi  ed by mark have special characteristics important for safety.

1-3-6 Safety check after repairment

Con  rm that the screws, parts and wiring which were removed in order to service are put in the

original positions, or whether there are the positions which are deteriorated around the serviced

places serviced or not. Check the insulation between the antenna terminal or external metal and

the AC cord plug blades. And be sure the safety of that.

General

General Servicing

Servicing

Servicing Precautions

Precautions

Precautions1. Always unplug the receiver AC power cord from the AC power source before:

a. Removing or reinstalling any component, circuit board module or any other receiver assembly.

b. Disconnecting or reconnecting any receiver electrical plug or other electrical connection.

c. Connecting a test substitute in parallel with an electrolytic capacitor in the receiver.

CAUTION:

CAUTION: A wrong part substitution or incorrect polarity installation of electrolytic capacitors may result in

an explosion hazard.

2. Test high voltage only by measuring it with an appropriate high voltage meter or other voltage

measuring device (DVM, FETVOM, etc) equipped with a suitable high voltage probe.

Do not test high voltage by "drawing an arc".

3. Do not spray chemicals on or near this receiver or any of its assemblies.

4. Unless specified otherwise in this service manual, clean electrical contacts only by applying

the following mixture to the contacts with a pipe cleaner, cotton-tipped stick or comparable non-

abrasive applicator; 10% (by volume) Acetone and 90% (by volume) isopropyl alcohol (90%-99%

strength).

CAUTION:

This is a  ammable mixture.

Unless speci  ed otherwise in this service manual, lubrication of contacts is not required.

Capacitors may result in an explosion hazard.

5. Do not defeat any plug/socket B+ voltage interlocks with which receivers covered by this

service manual might be equipped.

6 Do not apply AC power to this instrument and/or any of its electrical assemblies unless all

solid-state device heat sinks are correctly installed.

7. Always connect the test receiver ground lead to the receiver chassis ground before connecting

the test receiver positive lead.

Always remove the test receiver ground lead last. Capacitors may result in an explosion hazard.

8. Use with this receiver only the test  xtures speci  ed in this service manual.

CAUTION:

CAUTION: Do not connect the test  xture ground strap to any heat sink in this receiver.

9. Remove the antenna terminal on TV and turn on the TV.

Haier LE86H9000U User manual

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