Haier 40DR3505, Service Manual

Service Manual 

Model No.: 

CONTENTS 

Chapter 1. General Information 

1-1. Document Information ..............................................................3 
1-2. General Guidelines.....................................................................3 
1-3. Important Notice.........................................................................3 

1-3-1. Follow the regulations and warnings ..................................................... 3 
1-3-2. Be careful to the electrical shock ............................................................3 
1-3-3. Electro static discharge (ESD)............................................................... .3 
1-3-4. About lead free solder (PbF)...................................................................4 
1-3-

5. Use the genewing parts (specified parts) .............................................. 4

1-3-6 Safety check after repairment................................................................. 4 
1-3-7. Ordering Spare Parts............................................................................. 6 
1-3-8. Photo used in this manual .....................................................................6 

1-4. How to Read this Service Manual ............................................6 

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

Chapter 2. Specification

2-

1. Specification list.......................................................................

..8 

2-2. External pictures (four faces)....................................................9 

Chapter 3. Disassemble and Assemble 

3-1.  

.................................................................................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 4. Location of Controls and Components 

4-1. Board Location .........................................................................13 
4-2. Mainboard .................................................................................14 

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

4-2-

2. Connector definition ...........................................

...................................14 

4-3. Power Supply Module ..............................................................15 

4-3-1. Function Description .............................................................................15 

1

40DR3505

40DR3505