LG LG-E730 - Locking and Unlocking the Screen

3. TECHNICAL BRIEF
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3.5.4 19.2MHz XO (X400, 1ZCB19200AB0D)
The RF transceiver circuits use a 19.2MHz reference signal that is generated by the PMIC and applied to the QTR
device’s XO_QTR pin. This pin’s input characteristics are listed in Figure 3.5.4.1.
G
[Figure 3.5.4.1] XO_QTR input performance specifications.
[Figure 3.5.4.2] 1ZCB19200AB0D Electrical Characteristics