Casio EX-843 User manual

SERVICE MANUAL
ELECTRONIC CASH REGISTER
V-R200
(EX-843)
JUL. 2016
Ver.3 : Jun. 2017

V-R200 / VER.1
CONTENTS
IMPORTANT NOTICE....................................................................................... P. 1
PRODUCT SPECIFICATIONS.......................................................................... P. 8
DIAGNOSTIC OPERATION............................................................................. P. 12
DISASSEMBLY/ASSEMBLY ........................................................................... P. 33
CIRCUIT DIAGRAM......................................................................................... P. 59
EXPLODED VIEW/PARTS LIST...................................................................... P. 63

V-R200 / VER.1
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IMPORTANT NOTICE
1. Safety Precautions................................................................................... P. 2
2. Precautions for Use ................................................................................. P. 3
3. Information
3-1. Basic Operation .................................................................................................... P. 5
3-2. SD/SDHC memory card ........................................................................................ P. 7
Repair Information
When the main PCB is replaced with a spare part one.
• Since an OS is already installed on the spare part main PCB, update the OS to an appropriate
version as required.
Refer to: Diagnostic operation 2. UPDATING the OS
• Write the serial number.
Refer to: Diagnostic operation 1-6. Checking and Registering the Serial Number
When the IOC PCB is replaced with a spare part one.
• Firmware is already installed on it.
• The firmware version is confirmed at power on and, if necessary, it is automatically updated.
• UUID setting is not required.
When the CASE ASSY/FRONT is replaced with a spare part one.
• Carry out the touch panel calibration.
Refer to: Diagnostic operation 1-4. Touch panel calibration
To carry out the Diagnostic operation, a dedicated application is needed to be installed
beforehand.
NOTE: After completion of the test, make sure to uninstall the test application.

V-R200 / VER.1
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1. Safety Precautions
* Caution
LAN Conenector
Ethernet (LAN) Connector:
Not used to a telecommunication network
To Prevent malfunctions caused by the weak batteries, charge the memory
protection batteries for over 6-hours.
1. Before installation, initialize the terminal and leave it power on over 6-hours.
2. After the terminal is repaired or checked, you must leave it power on over 6-hours.
BATTERIES HANDLING PRECAUTIONS
1. Do not use old and new batteries mixed together, or batteries at different charge levels.
This may cause leakage of battery fluid and heat generation.
2. Load a set of three new batteries at being care of their polarity.

V-R200 / VER.1
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2. Precautions for Use
Read the following items thoroughly and use this product properly. CASIO bears no responsibility whatsoever
for malfunction or damage caused by handling not following below contents. Please note that it will also result in
charged repair, and actual cost required for repair will be charged, even if it is within the warranty period.
Installation Location
Do not place in a hot or dusty location, or in any location exposed to oily smoke or water. Never store or leave in
following locations. This could erase the memory and cause a malfunction or result in deformation of the case.
0 Temperature of 0 °C or lower
0 Inside vehicles in summer
0 Close to air conditioner
0 Under direct sunlight
0 Temperature of 40 °C or higher
Avoid using this product in following locations.
0 Outdoor
0 Close to equipment that will become hot such as range, electrical heater, etc.
0 Location exposed to water or steam
0 Location with severe change in environment such as temperature, humidity, etc.
0 Location where corrosive gas or saline matter is generated
0 Location where dirt or dust is generated
0 Location with vibration
0 Location prone to static electricity
Other
0 Prepare separate AC power supply from the power line for motor, ice maker, microwave oven, etc., which may
generate noise.
0 Do not touch the power switch with wet hands. This may result in electrical shock.
0 Wipe thoroughly with dry cloth, etc., when there is any water droplet on the device.
0 Do not use any volatile chemical such as thinner, benzine, cosmetics, etc., for cleaning. Wipe with dry soft cloth
when this product gets dirty. The display section may be scratched when scuffed strongly with a cloth.
0 When the capacity of the internal memory protection battery is insufficient ant there is no power supply available
due to a power outage, malfunction or other reason, the memory content might be erased.
0 Contact the dealer or the CASIO service representative around 5 years after purchase to replace the battery (this
time depends on how the product is used).

V-R200 / VER.1
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Take Advance Notice of the Following
0 The content of this manual may be changed without prior notice due to improvement or specification change of
the product.
0 Please note that CASIO bears no responsibility for damage, loss of profit, or any claim from third party due to
loss or change of data caused by usage, malfunction, or repair of this product.
0 The copyright for this manual and all rights related to the software described in this manual are the property of
CASIO Computer Co., Ltd. The unauthorized reproduction of this manual in whole or part is prohibited without
the written permission of CASIO.
0 The screen or illustration used in this manual may be different from the actual product. The keys and icons are
described in simplified manner.
0 Weld Line
The line on the exterior of the product is called “weld line”, which is created at the time of plastic forming, and it is
not a crack or a scratch. This will not interrupt the usage.
Trademark Registration
SD, SDHC, microSD and microSDHC are trademarks of SD-3C, LLC.

V-R200 / VER.1
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3. Information
3-1. Basic Operation
(1) General information
Fig. 1
Maintenance switch
Power switch
Power lamp
Reset switch
Fig. 2
• The power switch is pressed.
• When touching the touch panel.
• An alarm occurs.
• The reset switch is pressed.
¨Reboot without shutdown
• The power switch is pressed.
• No operation is done for a certain period of time.
• The power switch is pressed.
• The reset switch is pressed.
¨Reboot without shutdown
• The power switch is held down more than 5 sec.,
then choose "Power off".
• The maintenance switch is held down more than 5 sec.
OFF state
Power lamp: OFF
ON state
Power lamp: Green
Sleep state
Power lamp: Orange
NOTE: Power lamp: Red (Insufficient capacity of the internal memory backup battery)
Do not shutdown the power supplied to the product or unplug the power cord.
NOTE: After taking out a product from carton box, connect AC adaptor to the product then leave it more than
6hours to charge internal memory buck up battery for full charge.

V-R200 / VER.1
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(2) Shutdown procedure
There are two ways to shut down.
0Shutting down by the power switch
Press and hold the power switch until “Power off” / “force tablet reboot” appears.
Select “Power off”“OK”.
Fig. 3 Fig. 4
0Shutting down by the maintenance switch
Press and hold the maintenance switch until “Pwer off” appears.
Fig. 5

V-R200 / VER.1
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3-2. SD/SDHC memory card
(1) Recommended SD/SDHC memory card
SanDisk Corporation Transcend Information, Inc.
SDSDB-016- SDSDUL-016- TS16GSDU1
Fig. 6
(2) Mounting the SD/SDHC memory card
SD/SDHC memory card is automatically mounted when it is inserted. If it has been unmounted due to
incorrect operation, mount it again.
Select “Settings”“Storage”“Mount SD card”.
Fig. 7
(3) Unmounting the SD/SDHC memory card
Select “Settings”“Storage”“Unmount SD card”“OK”.
Fig. 8

– 8 –
V-R200 / VER.1
PRODUCT SPECIFICATIONS
YSpecifications List
Main display
Type 10.4 SVGA color TFT LCD
Resolution 800 × 600
Color *1 Max. 16.77 million colors
Backlight White LED
Other Power tilt function (15° to 75°)
Touch panel
Method 4-wire resistive film
Size 10.4 inch
Sub display
Resolution 32 × 160 dot (20 single-byte characters, 2 lines)
Backlight 2 colors (emerald green, white)
Printer
Print method Thermal printer
Print speed *1 Max. 120 mm/sec.
Paper roll Thermal recording paper, width 58 mm or 80 mm,
external diameter 80 mm or smaller
Paper cut-off Automatic cutter
Memory protection *2
Battery Nickel-metal hydride rechargeable battery
Memory holding *3 Approximately 1 hour (used at 25 °C)
Battery life *4 5 years (used at 25 °C)
Charge time Full charge in 6 hours (used at 25 °C)
Time holding Approximately 30 days (used at 25 °C)
Power supply/
power consumption
120 V ac ±10 V 50/60 Hz 0.64 A (Operating) 0.2A (Standby)
220 V to 240 V ac ±10 V 50/60 Hz 0.36 A (Operating) 0.11A (Standby)
External interface
Side of display SD/SDHC memory card slot x 1
Back of the device COM port x 3, LAN port x 1, USB port x 1, DC jack x 1
Water proof performance IP53 level (main display only) *5
Temperature/humidity
(when in use) 0°C to 40°C/20% to 85% RH
External dimensions W 395 mm x D 237 mm x H 229 mm
(With maximum tilt angle) (Not including protruding parts)
Weight Approximately 4.0 kg
*1: These figures indicate the performance level of the hardware. The actual colours and speed vary depending on
the application in use.
*2: The internal battery is a consumable item. Contact the dealer or the CASIO service representative around
5 years after purchase to replace the battery (this time depends on how the product is used). Memory protection
may not operate properly if the battery becomes depleted.
*3: After 1 hour of disconnect power, the product will shut itself down. To turn the power ON, press the power
switch after power recovery.
*4: With a battery usage frequency of once per month.
*5: The specifications here are test values, and are not guaranteed values.