Casio CASSIOPEIA A-20 User Manual

Name: Casio CASSIOPEIA A-20
Brand: Casio
Rating: 4 (1 reviews)

80 pages

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V3SYS

DTA114YKAT146

680

SML-210LT

SW1

EVQPSC02K

SML-210LT

V3SYS

To DPMI PCB

CN5

LEDOFFB

LEDONB

CHGDTCTB

GND

V3SYS

Z340-LED PCB (LED)

Table of Contents2
Hardware Specifications4
- General Specifications4
- Electrical Specifications5
Accessories6
Options6
System Configuration7
General Guide8
Adjusting Display Contrast9
Desktop Computer System Configuration10
Setting up10
Replacing Batteries12
- To Replace the Main Batteries12
- To Replace the Backup Battery13
Reset14
- To Reset the CASSIOPEIA14
Full Reset15
- To Perform a Full Reset15
Connecting to a Desktop Computer16
- To Connect to a Desktop Computer16
Replacing the Pc Card17
- To Replace the PC Card17
Replacing the Compactflash Card18
- To Replace the Compactflash Card18
Connecting to External Equipment19
- To Connect External Equipment19
Memory Backup / Restore20
- Backup20
- Restore22
Block Diagram24
Device Features25
Lsi/IC Data27
- Sh-7093 (Cpu / Ic1)27
- MB87A915 (Gate Array/Ic3)30
- Mc34119 (Ic9)35
- Max3241Cai (Ic5)35
- Upd42S16160Lg536
- Rn5Vd18Ca (Ic113)36
- XC61A Series (IC100 ~ IC103,IC107,IC109,IC110,IC112)36
- Max608 (Ic105,Ic106)37
- Emi Filter Array37
- Upd23C32000Lgy37
Power Supply Circuit38
- Primary Circuit38
- Circuit39
- Circuit40
- PCMCIA Circuit41
- LCD Power Circuit42
- Voltage Line43
Detector Circuit44
Diagnostic Program45
- Introduction45
Operation Check46
- Irda Communication Test51
- Current Consumption and Voltage Detectors Check53
- Voltage Detectors Check55
Disassembly • Assembly57
- Module57
- Upper Case Ass'y58
- Removal of Touch Panel and LCD Unit60
- Precautions When Installing LCD Unit63
- Installation of Shaft Piece64
- How to Pass FPC through the Upper Case65
- Precautions When Assembling66
Exploed View68
Parts List69
Wiring Diagram71
Pcb View72
Schematic Diagrams73
- Z340-1 Pcb 1/3 (Main)73
- Z340-1 Pcb 2/3 (Power Supply)74
- Z340-1 Pcb 3/3 (Dp I/F Block)75
- Z370-Rom Pcb (Rom)76
- Z340-Dpmi Pcb (MIC)77
- Z340-Led Pcb (Led)78
- Key Matrix79

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Casio CASSIOPEIA A-20 Specifications

General

Brand	Casio
Model	CASSIOPEIA A-20
Category	Handhelds
Language	English

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Table of Contents

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