Toshiba T1910 Maintenance Manual Addendum Download | Manualshive

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Summary of Contents for T1910

Page 1: ... DIR I IS PinRGB I Mouse Quick Port DCBM I PS 2 Mouse Port not usable ifDCBMconnected I 10I key Keyboard Port pS 2 Keyboard 82 Keys 3mm Travel Battery NIMH 12V 2600mAH PART PA2429URA Battery Life 2 3 Hrs Recharge Time 1 5 2 Hrs Computer offonly ACAdapter Dimensions 1 02 H x 2 9S W x 5 5I D Weight 1 0 lbs Il2l O Input 100 240VAC Input Frequency SO 60Hz Input Power SA 28A SO 60Hz Output Voltage 18 V...

Page 2: ...Personal Computer r I PJ8 PJ2 PJ5 PJ3 FA2SU T1910 PJ8 rr191OCS System PJ9 Board PJ7 PJ4 PJ10 PJ1 PJ501 I I I I I I Power Supply PJ502 PJ504 PJ503 FA2SL System Board PJ203 PJ208 PJ202 pJ205 PJ204 PJ201 Figure 1 2 T1910 Series System Unit Configuration Main Battery Backup Battery _______________ T1910 SeriesMaintenance ManualAddendum ...

Page 3: ...20MB I I 512K x 8bIl x 8 B3V Syatem Controller G A vee Maximum SerIal Port 9P1n vee T9901 SI DMA x 2 PIC x2 PIT x 1 SIC x 1 text FDD 25P1n FOe x 1 VFOx 1 Int FDD 3 5 HOD 2 5 IJ RTC3V CD RTC c IJ BSY VGA ConInIIIr GA T1910fT191OCS q85VYRAM I t GOGH Monochrome LCD T1910 STN color LCD T191OCS C lB5V I PCMCIA ConL GA PCMCIA C8rdl VCC K KBC h lint Keyboard r Ball Paint Mouse _ P __ 1PS12 Keyboard i PS ...

Page 4: ...aining 114 bytes are used for the system configuration data OSC X3 generates 32 768 KHz for RTC o A Keyboard Controller KBC One M37452M4 chip is used This KBC includes the keyboard scan controller and keyboard interface controller The KBC controls the internal keyboard external keyboard port PS 2 mouse port and Ball Point Quick Port o The following memories Standard RAM Cache memory BIOS ROM 4MB 8...

Page 5: ...r VL Bus Controller Bus Controller Compatible Bus Interface Controller Compatible Access Controller DMAC Controller I O Controller Address Latch Controller 32 Bit to 16 Bit Controller Address Latch DMA Address Generator Refresh Address Generator 110 Register Compatible I O Port Saving the data ofthe Register in resume Controller Toshiba Special Register 33 MHzI16 5 MHz Controller Data Bus Change C...

Page 6: ...ted in Table 1 1 Figure 1 4 3 5 inch FDD Table 1 1 3 5 inchFDD Specifications Item 2 MBmode 1 MBmode Storage capacity 1 8 Unformatted 2 000 1 000 Formatted 1 311 737 Number of heads 2 2 Number of cylinders 80 80 Access time ms Track to track 3 3 Average 181 181 Head settling time 15 15 Recording track density tpl 135 135 Data transfer rate Kbps 500 250 Rotation speed rpm 300 300 Recording method M...

Page 7: ...ons 120MB 200MB CP2124 MK2124FC MK2224FC ST9235A Storage capacity MB Formatted 121 6 130 1 213 0 209 7 Number of disks 2 2 2 3 Data heads 4 4 4 6 Data surfaces 4 4 4 6 Tracks per surface 1 123 1 155 1 560 985 Sectors per track 53 1 55 1 32 Bytes per sector 512 512 512 512 Access time ms Track to track 10 5 3 5 Average 17 17 12 16 Maximum 35 36 25 30 Rotation speed rpm 3 743 3 200 4 000 3449 Data t...

Page 8: ... mounted on the T1910 Series system unit and is connected to the keyboard controller on the system board through a 19 pin flat cable The keyboard is shown in Figure 1 6 Figure 1 6 Keyboard Add a ________________ T1910 SeriesMaintenance ManuaJAtidentium ...

Page 9: ... and horizontal synchronizing signals 8 bit data signals 4 bit upper block data signals and 4 bit lower block data signals and shift clock for data transmission All signals are CMOS level compatible The sidelit LCD is shown in Figure 1 7 and its specifications are listed in Table 1 3 Figure 1 7 Monochrome LCD Table 1 3 Monochrome LCD Specifications Item Specifications Number of Dots dots 640 x 480...

Page 10: ...nt needed to illuminate the FL The specifications for the FL inverter board are listed in Table 1 4 Table 1 4 Monochrome FL Inverter BoardSpecifications Item Specifications Input Voltage Voe 5 Power W 2 2 Voltage VAC 950 Output Current rnA 4 2 Frequency KHz 38 5 Acld 10 T1910SeriesMaintenance ManualAddendum ...

Page 11: ...tical and horizontal synchronizing signals 16 bit data signal 8 bit upper block data signals and 8 bit lower block data signals and shift clock for data transmission All signals are CMOS level compatible The STN LCD is shown in Figure 1 8 and specifications are listed in Table 1 5 Figure 1 8 STNColor LCD Table 1 5 STNColor LCD Specifications Item Specifications Number of Dots dots 640x480 Dot pitc...

Page 12: ...t to light the LCD s Fluorescent Lamp The specifications for the FL inverter are listed in Table 1 6 Table 1 6 STHColor FL Inverter BoardSpecifications Item Specifications Input Voltage VOC 5 Power W 6 Output Voltage VAC 1 100 Current rnA 6 0 Frequency KHz 42 Add 12 T1910SeriesMaintenance Manual Addendum ...

Page 13: ...y charging system on and offand detects a fully charged battery 5 Determines ifthe power can be turned on and off 6 Provides more accurate detection ofa low battery 7 Calculates the remaining battery capacity The power supply output rating is specified in Table 1 7 Table 1 7 Power Supply Output Rating DC Regulation Maximum Use for Name voltage tolerance currant Ripple V mA mY System logic FDD HOD ...

Page 14: ...enable AutoResume Add 14 a Battery Indicator The Battery indicator is located on the top cover and shows the status ofthe remov able battery pack power supply and AC adapter The status ofeach can be determined by color Orange The battery is being charged AC adapter is attached Green The battery is fully charged AC adapter is attached No light The AC adapter is disconnected from the computer or the...

Page 15: ...em is powered on Table 1 9 Time RequiredFor Battery Charges Charging time Quick charge About 2 3 hours T191 0 power off About 1 4 hours T191OCS Trickle charge About 48 hours power on Cl Quick Battery Charge If the one of the following occurs the battery quick charge process stops 1 The battery becomes fully charged 2 The AC adapter or battery is removed 3 The battery or AC adapter output voltage i...

Page 16: ...ry CharginglData Preservation Time Time Charging Time Power On 16H Power Off with AC Adapter 60H Power Off Without AC Adapter Doesn t charge Data preservation period full charge 8H 1 9 4 RTC Battery The RTC battery provides power to keep the current date time and other setup information in memory while the computer is turned off Table 1 11 shows the charging time and data preservation period ofthe...

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