DOWNLOAD Sony KDL-40EX640 / KDL-46EX640 / KDL-55EX640 Service Manual ↓ Size: 2.04 MB | Pages: 45 in PDF or view online for FREE

Segment: P-2

1.0  

2/27/2012 

Original Manual Release Date.

2.0 

6/11/2012 

New parts included for LA use only.

3.0 

7/18/2012 

New caution added on page ii. 

 

 

  Updated Service Adjustments section. Replaced pages  26 - 35.

Segment: P-2

KDL-40EX640 RM-YD075 

KDL-46EX640 RM-YD075 

KDL-55EX640 RM-YD075 

KDL-55EX640 RM-YD083 

KDL-40EX640/46EX640/55EX640 i

Features ........................................................................................................1
Specifications ................................................................................................1
Chassis Overview ..........................................................................................3
Overall Circuit Description .............................................................................5

Main Board ...............................................................................................5
Power Supply Board .................................................................................5
IR Board ....................................................................................................5
Switch Unit ................................................................................................5
LCD Panel Assembly ................................................................................6

Overview .......................................................................................................7

Updating the Software ..............................................................................7

Self Diagnosis Function .................................................................................7

Standby LED Blink Count .........................................................................7
Viewing the Self Check Diagnosis History ................................................8

Triage Chart ...................................................................................................9

Block Diagram .............................................................................................10
No Power ..................................................................................................... 11
Standby LED Blinking ..................................................................................13
No Video ......................................................................................................14

Table-Top Stand Removal ...........................................................................16
Rear Cover Removal ...................................................................................17
Handling the LVDS FFC Connector .............................................................18

Disconnecting the LVDS FFC Connector ...............................................18
Connecting the LVDS FFC Connector ....................................................18

Main Board (A) and Power Supply Board (GL5A/GL5B/GE55) Removal ...19
Panel Brackets and LCD Panel Removal ....................................................20

Cleaning the LCD Panel .........................................................................20

Connectors ..................................................................................................21
Screws .........................................................................................................21
Accessories and Packaging ........................................................................22
Miscellaneous ..............................................................................................22
Wire Dressing ..............................................................................................23

Overview .....................................................................................................24
Software Updates for Customers ................................................................24
Software Updates for Servicers ...................................................................24

Software Update Responsibility ..............................................................25
Checking the Software Version ...............................................................25
Examples of Software Correctable Symptoms .......................................25

Overview .....................................................................................................26
Updating the Software .................................................................................26
Accessing Service Adjustment Mode ..........................................................26
Completing Service Requirements When Replacing the Main Board .........27

Viewing the Status Information ...............................................................27

Selecting the Panel ID Code .......................................................................28
Adding the Serial Number ...........................................................................29

Adding the Model Name .........................................................................30

Completing Service Requirements When Replacing the LCD Panel ..........31

Verifying the Panel ID Code ....................................................................32
Resetting Panel Operation Time .............................................................32

Accessing Factory Adjustment Mode ..........................................................33

Adjusting the Color Temperature ............................................................34