Sharp GX30 Service Manual - Page 102

GX30 KEY PWB-B (1/3) A KEY PWB-B (1/3) RECEPTION SIGNAL TRANSMISSION SIGNAL SPEAKER SIGNAL B CONFIDENTIAL C D KEYPADCOL[0-4],KEYPADROW[0-4],POWONKEY 5-23 (6-B) G MODESEL3 5-23 (4-G) G MODESEL3 E 5-23 (6-E) USB_D- 5-23 (6-E)USB_PU USB_D+ G G 5-23 G (6-E) USB_DET USC[0] USB_D+ USB_D- G USB_DET USB_PU G USC[0] R292 150K R294 120K R293 R295 5-23 (2-F) USC[1] G USC[1] 150K 120K 5-23 (2-G) USC[4] G 5-23 (5-F) USC[2] G USC[2] USC[4] USC[5] G USC[5] 5-23 (4-G) USC[6] G USC[6] 5-23 USB_CURRENT_CTL G G USB_CURRENT_CTL (6-D) USB_CHG_EN USC[0] TP103 USC[1] TP104 USC[2] F TP105 TP118 USC[4] TP107 USC[5] TP108 USC[6] TP109 MODESEL2 NC Vin NC GND Vout 43 2 1 56 78 5.2V CHGIN R281 0 IC115 R284 XC61CN27 27K REGULATOR R282 1.8K C229 0.001 2 1 R283 2.2K 3 4 0V 0V 3.54V 3.53V S1 D1 G1 D1 S2 D2 G2 D2 Q108 ECH8603 0.15V 0.15V 3.69V 3.69V TCXOEN 5-25 (1-B) G TCXOEN G 5-25 (2-H) BS2 G BS1 G BS3 G BS4 G BS1 BS2 BS3 BS4 SYNTHCLK G TP114 SYNTHCLK 5-25 G TP115 SYNTHDATA (2-E) SYNTHDATA SYNTHEN G TP116 SYNTHEN H TP180 IC116 RQ5RW45B R131 4.5V REGULATOR 270 1 GND CE 4 2 VDD VOUT 3 D103 D106 RB160M30 RB521S30 3.53V D Q101 2SK3019 S C236 1 3.69V C235 1 BATTYPE 5-23 G (6-C) 3.52V G R128 91K NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1. 1 2 3 4 5 6 Figure 11 SCHEMATIC DIAGRAM (9/22) 5 - 15