LG KE600 Service Manual - Page 62

3. TECHNICAL BRIEF Figure 35 RF transceiver PMB7262 SMARTi-PM functional block diagram LBAND_PAM_IN HBAND_PAM_IN C614 2.5p C615 C616 2.5p 1.5p C617 C618 1.5p 1.2p C619 1.2p L602 18nH L603 6.8nH L604 6.8nH 1V5_RF 2V85_RF C622 0.1u 2V85_RF R617 10 C623 0.1u 33 FE2 34 VBIAS 35 VDDTX1V5 36 TX1 TX2 37 VDDTX2V8 38 VDDMIX2V8 39 GND3 40 GND4 41 U602 PMB6272 VDDDIG2V8 DA 4 BX 3B 2 AX A 7 5 6 1 C630 0.1u C631 0.1u 32 FE1 VDDBIAS2V8 31 RX1X 30 RX1 29 RX2X 28 RX2 27 26 GND2 25 RX3X 24 RX3 23 RX4X 22 RX4 21 VDDLNA1V5 8 CLK 9 VDDDIG1V5 10 FSYS3 11 FSYS2 1V5_RF C624 0.1u C625 47n VDDRX2V8 VDDRX1V5 20 19 R616 820 VCO_RC VDDVCO2V8 18 EN 17 VDDXO2V8 16 FSYS1 15 GND1 14 13 2V85_RF 2V7_VCXO C626 0.1u C627 0.1u R615 0 C628 0.1u XOX 12 XO 2V7_VCXO C629 1000p C633 100p R620 0 C641 C632 NA 1u 26MHz 4 VCC GND 2 3 OUT VCONT 1 X601 RF_EN 26MHZ_MCLK R619 680 C634 22p AFC 2V85_RF C636 0.1u 1V5_CORE R622 10 C637 0.1u C635 1000p BT_CLK RF_CLK RF_DA QX Q IX I Figure 36 RF transceiver PMB7262 SMARTi-PM schematic - 63 -