LG G7100 Service Manual page 56

4. TROUBLE SHOOTING
4.2.4 Checking Ant SW & Mobile SW
For these 2 test case,
No call Connection is
needed
Checking Flow
Check SW600 Pin 1,2 with
RF Cable connected
Check SW600 Pin 1,2 with
No RF Cable connected
Check C608.2,C607.2
Check whether Ant SW set
as RX mode
* Refer to Table 4-2
Check RF Level of FL600
pin10 (for GSM)
pin 1 (for DCS)
For this RF level test
case, RX stand alone
mode is needed
Open
Yes
Short
Yes
VC1 : Low
VC2 : Low
Yes
Pin 10 : ~ -62dBm
Pin 1 : ~ -63dBm
Yes
Ant SW & Mobile SW is OK
See Next page to check
Saw Filter
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No
Changing SW600
No
Changing SW600
No
Changing the
Board
No
Changing FL600