Toshiba FT-8901A Service Manual

Also see for FT-8901A: Owner's manual

Contents

— 27 —Ref.No. Pin STBY TALKNote Note9 0.0 GND 0.0 GND10 2.9-0.0 DATA(PULSE) 3.0-0.1 DATA(PULSE)11 0.0 GND 0.0 GND12 1.5 1.513 3.0 Vcc 3.0 Vcc14 1.5 1.515 1.5 OPEN 1.5 OPENIC602 16 0.0 2.917 0.0 2.918 2.8 OPEN 2.8 OPEN19 1.1 OPEN 1.2 OPEN20 1.5 1.521 0.9 0.622 1.5 1.523 1.5 1.524 1.5 1.51 3.5-2.3 OSC 3.4-2.6 OSC2 2.8-2.1 OSC 2.8-2.2 OSC3 2.8 2.9-2.44 3.0 Vcc 3.0 Vcc5 1.9 2.2-1.86 1.9 2.07 1.9 2.0IC603 8 3.0 2.2-2.09 1.8-0.2 2.2-0.610 0.8 0.911 2.2-0.6 1.8-1.612 0.5 0.813 2.9 0.014 0.0 OPEN 0.0 OPEN15 0.0 GND 0.0 GND16 1.9 1.91 3.2 3.22 3.8 Vbatt 3.8 VbattIC606 3 0.0 GND(digital) 0.0 GND(digital)4 3.8 Vbatt 3.8 Vbatt5 3.2 3.21 2.8 2.82 0.0 GND 0.0 GNDIC607 3 1.2 1.34 3.0 3.05 3.8 Vbatt 3.8 Vbatt1 2.8 2.92 0.0 OPEN 0.0 OPEN3 0.0 0.04 0.0 0.0IC608 5 0.0 0.06 0.0 0.07 0.0 0.08 0.0 OPEN 0.0 OPEN9 0.0 OPEN 0.0 OPEN10 2.9 3.011 2.9 Vcc 2.9 Vcc12 0.0 GND(digital) 0.0 GND(digital)13 0.0 GND(digital) 0.0 GND(digital)14 3.2 3.215 3.2 3.216 0.0 GND(digital) 0.0 GND(digital)17 2.9 2.918 0.0 GND(digital) 0.0 GND(digital)19 2.9 2.920 0.0 GND(digital) 0.0 GND(digital)21 0.0 GND(digital) 0.0 GND(digital)22 1.7-0.4 OSC 1.7-0.5 OSC23 2.6-0.1 OSC 2.6-0.1 OSC24 0.0 GND(digital) 0.0 GND(digital)25 0.0 OPEN 0.0 OPEN26 0.0 DATA(PULSE) 2.9-0.0 DATA(PULSE)27 0.0 0.028 0.0 2.829 0.0 DATA(PULSE) 2.9-0.0 DATA(PULSE)30 0.0 2.931 0.0 2.932 0.0 OPEN 0.0 OPEN33 0.0 OPEN 0.0 OPEN34 0.0 OPEN 0.0 OPENIC608 35 2.9 2.936 0.0 OPEN 0.0 OPEN37 0.0 OPEN 0.0 OPEN38 3.2 3.239 0.0 OPEN 0.0 OPEN40 0.0 OPEN 0.0 OPEN41 0-3.8 3.8 SQ_IN42 2.8 2.943 0.0 0.044 3.0 0.145 0.0 OPEN 0.0 OPEN46 2.9-0.0 DATA(PULSE) 0.0 DATA(PULSE)47 2.9-0.0 DATA(PULSE) 0.0 DATA(PULSE)48 2.9-0.0 DATA(PULSE) 2.9 DATA(PULSE)49 0.0 GND(digital) 0.0 GND(digital)50 0.0 2.951 0.0 DATA(PULSE) 2.9-0.0 DATA(PULSE)52 0.0 DATA(PULSE) 2.9-0.0 DATA(PULSE)53 0.0 0.054 0.0 2.955 2.9-0.2 DATA(PULSE) 3.0-0.2 DATA(PULSE)56 2.9 Vcc 2.9 Vcc57 0.0 Ref OSC 2.8-0.1 Ref OSC58 0.0 0.059 0.0 0.060 0.8 1.0Unit [V] Unit [V]Ref.No. Pin STBY TALKNote Note