LG KT520 Service Manual page 142

4.19.1 Checking VCXO Block
Refer to 4.17
4.19.2 Checking Ant. SW module
Refer to 4.18
4.19.3 Checking Control Signal
First of all, control signal should be checked. (data, clk, strobe)
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Figure 4-28-1. Test points (Control Signal)
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4. TROUBLE SHOOTING
PIN14 (STROBE)
PIN13 (CLK)
PIN12 (DAT)
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