KDL-22EX550, KDL-22EX553, KDL-22EX555, KDL-26EX550, KDL-26EX553, KDL-26EX555, KDL-32EX650, KDL-32EX653, KDL-32EX655, KDL-32HX750, KDL-32HX751, KDL-32HX753, KDL-32HX755, KDL-32HX757, KDL-32HX758, KDL-32HX759, KDL-40EX650, KDL-40EX653, KDL - Sony TV Service Manual (repair manual). Page 9

Read Sony KDL-22EX550 / KDL-22EX553 / KDL-22EX555 / KDL-26EX550 / KDL-26EX553 / KDL-26EX555 / KDL-32EX650 / KDL-32EX653 / KDL-32EX655 / KDL-32HX750 / KDL-32HX751 / KDL-32HX753 / KDL-32HX755 / KDL-32HX757 / KDL-32HX758 / KDL-32HX759 / KDL-40EX650 / KDL-40EX653 / KDL Service Manual online

Green and 
Amber LEDs 
blink ?
KD-84X900x or
KDL-xxHX95x or
KDL-xxHX85x ?
Execute 
PID_DATA_MISMAT in 
CHASSIS Service Menu
Update Software 
by USB device
Yes
Turn the TV power ON 
after BA* board 
replacement
Yes
No
No
Service Procedure for Panel, Board and Software Change / Upgrade(EU)
9
[Steps for upgrading the version]
1. When you turn on the TV after replacing the BA* board, there will be two cases depend on the Model ID setting.
a. The green LED and amber LED blink, and no image and sound.
 Insert USB device for upgrade into the USB slot on the TV while the TV is turned on.
b. The green LED lights, and image/sound is normal.
- KD-84X900x/KDL-xxHX95x/KDL-xxHX85x  Execute the procedure in page 11 ~ 13, and then insert USB device for upgrade into 
the USB slot on the TV while the TV is turned on.
- The other models  Insert USB device for upgrade into the USB slot on the TV while the TV is turned on. (same as “a.”)
Note: Please power on by the power button of TV or remote commander within 5 seconds if TV is go to standby when inserting the AC 
plug. 
2. The TV is reset about a minute later, and then the Red LED lights and the Amber LED blinks.
Note: After replacing the BA* board, the upgrade startup screen may not be displayed. In addition, be sure not to remove USB device 
while it is writing.
3. After the writing is complete, the TV is rebooted and the screen indicating the upgrade is complete is displayed. Remove USB from the TV and 
press the “Enter” button while the TV is turned on.
1-4. How to Upgrade the Version by Using USB
SERVICE BOARD
Page of 43
Display

Click on the first or last page to see other KDL-22EX550 / KDL-22EX553 / KDL-22EX555 / KDL-26EX550 / KDL-26EX553 / KDL-26EX555 / KDL-32EX650 / KDL-32EX653 / KDL-32EX655 / KDL-32HX750 / KDL-32HX751 / KDL-32HX753 / KDL-32HX755 / KDL-32HX757 / KDL-32HX758 / KDL-32HX759 / KDL-40EX650 / KDL-40EX653 / KDL service manuals if exist.