DOWNLOAD Sony KDL-40W590B / KDL-40W600B / KDL-48W590B / KDL-48W600B Service Manual ↓ Size: 5.73 MB | Pages: 28 in PDF or view online for FREE

KDL-40W590B/40W600B/48W590B/48W600B 9

No

Yes

No

2X

3X

4X

No

5X

Yes

6X

No

7X

LCD Panel / 

LD Board *

TCON

(LCD Panel)*

Yes

No

10X

HEM3 Board

8X

LCD Panel * 

No

Yes

Placa Principal*

Yes

No

10X

HEM3 Board

9X

Tuner Board*

Placa Principal*

Yes

No

10X

HEM3 Board

10X

Main Board*

Yes

Main Board*

Yes

Main Board

*

TCON

(LCD Panel)*

Main Board / 

Wireless LAN Card*

Protect 

Shutdown. 

Standby LED 

Blinking

Check ventilation

After a while

Immediately

 

*For Part Number information, refer to 

KDL-40W590B/40W600B/48W590B/48W600B 10

Video Distortion

Is distortion 

across entire 

screen?

Any horizontal 

lines?

No

No

Yes

Yes

Improper or 

missing 

colors?

Yes

Main Board*

No

Vertical lines

or bars?

No

Yes

Lines

move when 

wide-mode 

changed?

Yes

No

TCON*

(LCD Panel)

Main Board*

LCD Panel*

Any single or 

isolated vertical 

lines?

Yes

LCD Panel*

More than 1 

vertical band?

No

Yes

TCON*

(LCD Panel)

 

*For Part Number information, refer to 

KDL-40W590B/40W600B/48W590B/48W600B 11

If the latest Software does not correct the issue, complete the following:

1.  Verify the television has the symptom the customer indicated.
2.  Replace part causing the symptom. 
3.  Install the latest version of Software (Required for ALL repairs).
4.  Perform the required service adjustments and checks.
5.  Verify the repair resolved the issue.

1.  Place TV face down on a soft and flat surface.

2.  Remove 2 screws from Stand Shaft and carefully detach as shown.

1.  Locate and remove all screws from Lower Cover.

KDL-40W590B/KDL-40W600B

KDL-48W590B/KDL-48W600B

2.  Firmly detach from areas shown to remove Lower Cover from the TV.

KDL-40W590B/40W600B/48W590B/48W600B 12

The Main Board used in these models is available for repair. For Part Number 

information refer to

 

1.  Disconnect Harness from the Main Board.

2.  Locate and disconnect all remaining connectors.

3.  Press down the 2 locking clips and pull LVDS cable to release.

4.  Slide brackets to detach from Main Board.

Side 

Bracket

Side 

Bracket

Under Bracket

Under Bracket

5.  Locate and remove screws from the Tuner Board and Main Board, 

 then lift to detach.

6.  Install the new Main Board and/or Tuner Board and screws.
7.  Reconnect the LVDS Cable and all other connectors.

8.  Update the Software.

After ALL repairs UPDATE the SOFTWARE to the latest version. 

Instructions are included with the Software package on the 

a.  Insert the USB device with the latest Software into one of the TVs’  

  USB ports.

b.  Connect TV to AC power.

c.  Wait at least 20 seconds.

d.  Press the Power button 

I/0

 on the TV to turn it ON.

e.  Wait until the Software update is completed.