KDL-22PX300, KDL-32EX403, KDL-32EX40B, KDL-32EX43B, KDL-32EX500, KDL-32EX501, KDL-32EX503, KDL-32EX504, KDL-32EX505, KDL-32EX508, KDL-32EX603, KDL-32EX605, KDL-32EX700, KDL-32EX701, KDL-32EX703, KDL-32EX705, KDL-32EX706, KDL-32EX707, KDL - Sony TV Service Manual (repair manual). Page 8

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AZ1 VERSIONUP PROCEDURE(EU)
8
1. When you turn on the set after replacing the B*HS/BAL board, the green LED and amber LED may blink if no image and sound are 
generated. Even so, insert USB for upgrade into the USB slot on the set while the set is turned on. 
2. After inserting USB, the green LED and amber LED blink for a while. The set is reset about a minute later, and then the Standby LED 
lights and the Communication LED blinks.
Note: After replacing the B*HS/BAL board, the upgrade startup screen may not be displayed. In addition, be sure not to remove USB 
while it is writing.
3. After the writing is complete, the set is rebooted and the screen indicating the upgrade is complete is displayed. Remove USB from  the  set 
and press the “Enter” button while the set is turned on.
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1-3. How to Upgrade the Version by Using USB
SERVICE BOARD
SERVICE BOARD
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