LG CE110 Service Manual page 56

4.3.1 Checking BT Antenna
4.3.1.1 Visual Inspection
4.3.1.2 Checking BT VRIO\
Checking pin
C521, C522
Check 1.8V High
YES
Check BT_CLK
4.3.1.3 Checking BT_CLK
Checking C528
YES
Check BT_CLK
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Only for training and service purposes
<Fig. 1>
NO
Check ABB
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4. TROUBLE SHOOTING
C528
<Fig. 2>
26MHz
<Fig. 3>
LGE Internal Use Only