Sharp GX20 Service Manual - Page 114

GX20 CONFIDENTIAL A MAIN PWB-A(3/3) IC201 XC6209B302MR RECEPTION SIGNAL VBAT_BB HIGH SPEED LDO R208 470K 5-17 (8-C) 3.0V VBACK TP203 3V 4 P-D P-G 3 0V 0V 5 N-S P-S 2 3V 0V 6 N-D N-G 1 3V R214 7.5K Q201 FDC6322 C TRANSMISSION SIGNAL REGULATOR TP202 C204 1 NC NC VDD Vss OUT SPEAKER SIGNAL 1 Vin Vout 5 2 Vss 3 CE NC 4 NC 2 1 R204 470K 1 GND VDD 2 VO C212 1 IC204 G C202 1 RELAY FPC_A PWB-C 5-8 (6-D) VBAT_AP 3 4 R3111Q251C VOLTAGE BACK_BATT 5-13 (9-G) B 4 3 5 2 6 1 CN201 VBAT_AP LEDB 1 LEDR VPLUS2 LEDG 2 3 4 5 DGND 6 LEDR_M G LEDB_M G LEDG_M 5-9 (9-E) G G VPLUS2 DETECTOR TCXOEN SP1-1 G SP1-1 G 5-1 SP2-1 G 5-10 (6-B) SP2-1 P SIMEN G C246 100P (CH) LED405 GATEDR 7 VBAT_AP 8 5-13 (9-G) CHGEN G CHGEN GM56271A VBAT_AP 9 MOBILE VBAT_AP 10 LIGHT VBAT_S 11 BATT_SENSE 12 ADP 13 5-10 (2-F) ADP G G BATT_SENSE 5-12 (2-G) C 5-23 (11-B) SP1 b SP2 ADPDET 14 CONT2 15 CONT1 16 IRXN 17 IRXP 18 QRXP 19 QRXN 20 QTXP 21 CONT2 5-10 (2-G) G G ADPDET 5-10 (2-F) G G CONT1 5-10 (2-F) IRXN G IRXP G QRXP G G 5-12 QTXP QRXN (1-C) CN405 QTXN 22 ITXP 23 ITXN 24 ISENSE 25 ITXP G G QTXN G ITXN CHGIN DGND 26 5-9 (12-F) D TCXOEN 27 RFON 28 TXON 29 5-13 (9-G) G G TXON RTS 30 VEXT_ON GENIE_CHG 31 32 GENIE_CHG G G RXD 33 VIB_CNT 34 VIB_CNT G RFON 5-13 (9-G) RTS 5-10 (2-F) 5-10 (2-F) G RXD 5-10 (2-F) 5-10 (6-A) VEXT_CN 5-15 (8-B) IR_SD G IR_ON G 5-15 (7-B) JAKDET 35 FLIP_SW 36 FLIP_SW G G JAKDET 5-12 (2-E) 5-14 (4-A) CTS 37 TXD 38 TXD G G CTS 5-10 (2-G) 5-10 (2-F) E 5-27 (10-A) CN305 CD(RS232C) 39 ADIN_B 40 VT 41 POWONKEY 42 SP2 43 SP2 44 SP1 45 ADIN_B G G CD 5-10 (2-F) VT 5-12 (2-G) 5-13 (7-G) POWONKEY V201 650P V203 650P TP217 5-10 (2-F) ADPDET G 5 5-29 (10-G) CN306 CN202 VBAT_BB 1 VBAT_BB 2 KEYPADROW2 3 KEYPADROW0 4 KEYPADROW1 5 KEYPADROW3 6 KEYPADROW4 7 VBAT_BB KEYPADROW[2] KEYPADROW[0] KEYPADROW[1] KEYPADROW[3] KEYPADROW[4] KEYPADCOL[0-4], KEYPADROW[0-4] C236 100P(CH) G 5-10 (1-E) C238 100P(CH) C237 100P(CH) C239 100P(CH) 5 RELAY FPC_B PWB-D C241 47P(CH) C242 33P (CH) C243 47P (CH) F AGND 8 MIC 9 MIC_GND 10 JAKEAR 11 KEYPADCOL0 12 KEYPADCOL1 13 KEYPADCOL2 14 KEYPADCOL3 15 KEYPADCOL4 16 G MIC_INN_R G G KEYPADCOL[0] MIC_INP_R JAKEAR KEYPADCOL[1] KEYPADCOL[2] KEYPADCOL[3] KEYPADCOL[4] C240 5-12 (2-D) 100P(CH) 5-12 (2-E) D201 RSB6.8S D202 RSB6.8S 5-13 (9-H) DGND 17 TCXOOUT 18 DGND 19 JAKMIC 20 G TCXOOUT 5-12 (1-D) G JAKMIC 5-12 (2-E) CAM_ON G DGND 21 G 5-24 (1-E) a 1 BACK-UP BATTERY DGND 22 SIMRST 23 SIMIO 24 SIMCLK 25 VINT 26 VSIM 27 BACK_BATT AFCDAC 28 RAMPDAC 29 KEY_BL_ON 30 BS2 31 G SIMIO GG 5-12 (2-C) AFCDAC G G KEY_BL_ON 5-14 (5-A) G G SIMRST SIMCLK 5-12 (2-E) VINT 5-11 (10-A) VSIM 5-14 (1-D) RAMPDAC 5-12 (1-C) BS2 2 HOLDER BS1 32 BS0 33 SYNTHDATA 34 BS1 G G BS0 5-12 (2-B) G SYNTHDATA SYNTHCLK 35 SYNTHEN 36 CHGIN 37 CHGIN G G SYNTHCLK SYNTHEN 5-12 (1-B) BAT100 BACK-UP 38 NC 39 NC G BACK_BATT 40 H BATTERY DGND NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1. 1 2 3 4 5 6 Figure 13 SCHEMATIC DIAGRAM (13/24) 5 - 18