Samsung SM-T700 Manual page 64

8-3-12. Touch Key
Touch Key does not work
Check Touch Key Connector
VTOUCH_1.8V(C7026),
KEY LED_3.3V(C7027)
Replace Touch Key Module
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Yes
on Main PBA
Yes
Check the
Yes
Yes
END
No
Reconnect the Touch Key Connector
Check U5001 - VTOUCH_1.8V VLDO30(C5043)
No
U5001 - KEY LED_3.3V VLDO38(C5049)
8-31
Level 3 Repair
HEA7001