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

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3. Let the upper case stand and pass the rolled up FPCs through the hole.

4. Pull the FPC from inside the upper case.

6. How to pass FPC through the upper case

1. Place upper case with keyboard side facing up above the display which is also facing up.

2. Hold two FPCs togother and roll them up as shown below.

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

Brand	Casio
Model	CASSIOPEIA A-20
Category	Handhelds
Language	English

Casio CASSIOPEIA A-20 User Manual

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Casio CASSIOPEIA A-20 Specifications

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