4. TROUBLE SHOOTING. LG KG291, KG290

4. TROUBLE SHOOTING

4. TROUBLE SHOOTING

4.1 RF Component

TEST POINT

U500

FL500

U501

X500

LGE Internal Use Only

Figure 4.1

U500

U501 (AD6548)

X500

FL500

Power Amp Module (SKY77318)

RF Main Chip (Transceiver)

Crystal, 26MHz Clock

FEM

Only for training and service purposes

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