LG KP175 - 4 Trouble Shooting; RF Component

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TEST POINT
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4. TROUBLE SHOOTING
4. TROUBLE SHOOTING
4.1 RF Component
U501
U502
FL500
X500
PAM+ASM
SW500
Figure 4.1
U501 PAM +ASM (SKY77518)
U501 (AD6548) RF Main Chip (Transceiver)
X500 Crystal, 26MHz Clock
FL500 SAW Filter
SW500 Mobile Switch