LG D722K Service Manual page 60

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3.6.2.2 Checking RF signal path(SW)
Refer to 3.5.1.1
1) WCDMA 850/900
2) WCDMA 1900/2100
LGE Internal Use Only
START
Check TP1 Signal exist?
NO
Check next step
START
Check TP2 Signal exist?
NO
Check next step
YES
Check SW1101 Soldering
YES
Check SW1102 Soldering
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3. TROUBLE SHOOTING
Only for training and service purposes

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