Sharp GX30 Service Manual - Page 112

GX30 CONFIDENTIAL KEY PWB-B (3/3) A KEY PWB-B (3/3) RECEPTION SIGNAL PA 5-17 (2-B) G TRANSMISSION SIGNAL BATT 5-23 (6-C) G BATT TP802 C807 0.01 2.2 R810 C806 IC804 18 R5322N002B POWER SUPPLY TCXOEN 5-15 G B (2-G) 1 CE1 2 VDD VOUT1 6 GND 5 VRF 5-23 (6-D) VBAT G C801 1 3 CE2 VOUT2 4 1 TP801 VTCXO C TXOUT_ TXOU R811 C802 1 2.2 C803 0.01 C811 22P(CH) L821 2.2nH L822 2.2nH L801 FERRITE BEADS C810 1 C851 0.0018 R807 C850 33 0.015 G IP G D 5-17 (2-A,B) IN G QP G QN 1 2 C812 22P(CH) 4 3 IOUTB/IINB IOUT/IIN VCCIO TXVCOG TXVCOGB TXOUTD COMMONGND TXOUTG TXVCODB TXVCOD VCCTXVCO VCCOPLL L809 6.8nH C832 270P(CH) 24 23 22 21 20 19 18 17 16 15 14 13 5 FL904 MATCHING DEVICE 1 Out GSM850 10 25 QOUT/QIN PLLOUT 12 NC 2 NC GSM850 9 C830 1 E 5-15 G SYNTHEN (2-G) SYNTHCLK G G 5-17 (2-H) TCXOOUT 5-15 (2-G) SYNTHDATA G C831 R802 0.0022 4.7K 12 C833 100P(CH) R837 0 R835 0 R836 0 6 NC 7 NC 26 QOUTB/QINB 27 VCCIFSYN 28 CPIFSYN 29 LE 30 CLK 31 VCXOOUT 32 SDATA 33 GNDVCXO 34 VCXOE 35 VCXOB GSMGND 11 3 GND GND 8 GSMLNAIB 10 NC 4 NC GSM900 7 GSMLNAI 9 5 Out GSM900 6 1 IC801 DCSGSMGND 8 DCSLNAIB 7 C852 0.5P(CH) L803 2.7nH 2 3 HD155155NP DCSLNAI 6 RF PCSDCSGND 5 L804 2.7nH L805 4 PCSLNAIB 4 1.2nH PCSLNAI 3 L806 1.2nH PCSGND 2 C835 0.1 F 5-17 (2-B) AFCDAC G R804 10 C834 0.1 1 Vcont GND 2 4 OUTPUT Vcc 3 TCX801 26MHz VCTCXO C836 100P(CH) VTCXO VCCRFSYN CPRFSYN FLOCK VCCBB VCCRFVCO DIVON VCCRFLO CAPQB CAPQ CAPIB CAPI VCCMIX GND 36 VCCVCXO VCCLNA 1 C845 0.1 37 38 39 40 41 42 43 44 45 46 47 48 49 C837 0.1 VRF L802 FERRITE BEADS C842 0.1 BS1 BS2 BS3 BS4 GSM TX HIGH LOW HIGH LOW 850 RX HIGH LOW LOW HIGH G GSM TX HIGH LOW HIGH LOW 900 RX HIGH LOW LOW LOW TX DCS RX LOW HIGH HIGH LOW LOW LOW LOW LOW TX PCS RX LOW LOW HIGH LOW LOW LOW LOW LOW G BS1 G 5-15 (2-G) BS2 G BS3 G BS4 H C841 0.0033 R806 6.8K R805 6.8K C840 330P C843 C844 0.0018 0.0018 NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1. 1 2 3 4 5 6 Figure 21 SCHEMATIC DIAGRAM (19/22) 5 - 25