KDL-60W840B, KDL-60W850B, KDL-60W855B, KDL-60W857B, KDL-70W830B, KDL-70W840B, KDL-70W850B, KDL-70W855B, KDL-70W856B, KDL-70W857B - Sony TV Service Manual (repair manual). Page 17

Read Sony KDL-60W840B / KDL-60W850B / KDL-60W855B / KDL-60W857B / KDL-70W830B / KDL-70W840B / KDL-70W850B / KDL-70W855B / KDL-70W856B / KDL-70W857B Service Manual online

Chassis: RB2G, HE-H
Chassis: RB2G, HE-H 
17
RB2G
CHASSIS
W850B
3-1-5 NO POWER
AYU2/ AYU2L replacement
3-1-5. NO POWER – AYU2/ AYU2L replacement
AYU2/2L
replacement flow
eMMC / RawNAND erase
Data on eMMC/NAND need to be 
erase first before changing AYU2/L. 
AYU2/L replacement
Product SW write
Recover?
No
Board Issue
AYU2/L issue
Yes
Note: 
(AYU2(BAX)/ 
Ayu2L(BAXL
) – IC9000
(Brownie)- IC9001
RB2G
CHASSIS
W850B
3-1-5 NO POWER
AYU2/ AYU2L replacement
3-1-5. NO POWER – AYU2/ AYU2L replacement
AYU2/2L
replacement flow
eMMC / RawNAND erase
Data on eMMC/NAND need to be 
erase first before changing AYU2/L. 
AYU2/L replacement
Product SW write
Recover?
No
Board Issue
AYU2/L issue
Yes
Note: 
(AYU2(BAX)/ 
Ayu2L(BAXL
) – IC9000
(Brownie)- IC9001
 
2.1-5 - No Power: AYU2 / AYU2L Replacement
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