LG lg-d821 - Page 92

3. TROUBLE SHOOTING
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Check TP1
Check TP1
Signal Exist?
Check the RX Level
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
Check the U2004
(WTR1605L-1)
Check TP2
Signal Exist?
Check the FL1018
Check TP3
Signal Exist?
Check TP4
Signal Exist?
Check TP5
Signal Exist?
Check the FL1015
(B7 Duplexer)
Check the FL1017
(B7 Separator)
Check the FL1016
(B7 Balun)