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8-3-5. KEY Working
Volume KEY, Hold KEY
Press Volume Key
,Hold KEY
Key NG?
END
NG
YES
NO
SAMSUNG Proprietary-Contents may change without notice
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Resolder TACT500,TACT501
TACT502
Still Key NG?
Change
Still Key NG?
NO
Change PBA
8-15
Level 3 Repair
YES
TACT500,TACT501
TACT502
YES
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