Sharp GX20 Service Manual - Page 120

GX20 CONFIDENTIAL KEY PWB-B (1/2) - - - - Power(-) 17 A --- "High" - - (+) 8 - FLashload_ON Genie_CHG 16 L305 FERRITE BEADS R310 100 V301 100P TP3 - TxD TxD TxD TxD 7 Debug_Tx - - - ADP 15 - RxD RxD RxD RxD 6 - - - "Low" ADPDET 14 L306 R312 FERRITE BEADS L307 100 L308 FERRITE BEADSR314 FERRITE BEADS L309 D307 100 FERRITE BEADS RSB6.8S R313 100 R315 100 V304 15P V302 15P V308 15P V309 100P CN302 EXTERNAL CONNECTOR -Debug_Rx - -- - VCC VCC 5 - - CONT2 13 - - AUX-OUT 4 R316 L310 100 L318 FERRITE BEADS R308 FERRITE BEADS 100 V306 100P V305 15P V311 100P B - - CONT1 DTR CONT1 12 GND GND - - GND 3 - - - - AUX-IN 11 - - - RTS RTS 2 - - - CTS CTS 10 GND GND - GND GND 1 L311 R317 L316 FERRITE BEADS 100 L319 FERRITE BEADS R309 FERRITE BEADSL312 100 R319 L313 FERRITE BEADS 100 FERRITE BEADS R320 100 V307 100P - GND - - CD 9 L302 FERRITE BEADS R321 V307A V319 100P 100P V303 100P 100 - - - - Power(+) 18 C FL303 FERRITE BEADS FL307 FERRITE BEADS RELAY FPC_C 5-26 (2-E) PWB-E 5-29 (10-C) FL304 CHGIN COMMON MODE 0 3 2 0 4 1 0.9 C328 1 C353 0.1 D TP347 TP348 5-18 (1-G) a 1 E 2 3 5 6 4 JK301 HANDS FREE CONNECTOR F G 5-29 (9-C) 2.85V VSIM V306A 100P L303 FERRITE BEADS L301 FERRITE BEADS V320 100P TP301 () () R363 1K C303 0.1 8 3 CLK I/O 6 2 RESET OP 5 1 Power GND 4 7 CN301 SIM CARD CONNECTOR DGND C304 47P(CH) C334 0.001 or 0.01 R305 20K () () C335 0.001 SIMIO SIMCLK SIMRST H NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1. 1 2 3 4 5 6 Figure 19 SCHEMATIC DIAGRAM (17/24) 5 - 24