Shin Heung Precision SAP-630 POS SYSTEM User Manual

Shin Heung Precision Co., Ltd. POS SYSTEM

User Manual

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POS SYSTEM
SAP-630 SERIES
SERVICE Manual
CONTENTS
SAP-630 Series
1.
Precaution Statements
2.
Product Specifications
3.
Installation and Operation
4.
Disassembly and Assembly
5.
Maintenance and Adjustment
6.
Troubleshooting
7.
Exploded Views and Parts List
8.
PCB Layout and Parts List
9.
Wiring Diagram
10. Bock Diagram
11. Schematic Diagrams
About this Manual
This service manual describes how to
perform hardware service maintenance for
the SAM4S SAP-630 Series POS System
Notes
Notes may appear anywhere in the manual.
They describe additional information about
the item.
Precaution symbols
. Indicates a Safety Precaution that
applies to this part component.
. Indicates the part or component is an
electro-statically sensitive device. Use
caution when handling these parts.
Copyright
ⓒ 2018 by Shin Heung Precision.
All right reserved.
This manual may not, in whole or in part, be
copied, photocopied, reproduced, translated
or converted to any electronic or machine
readable from without prior written
permission of Shin Heung Precision .
SAM4S SAP-630 SERIES
July. 2018
V1.0
Printed in KOREA
Overview of this POS System
This service manual provides the technical information for many individual component systems and circuits and
gives an analysis of the operations performed by the circuits. Schematics and specifications provide the needed
information for the accurate troubleshooting.
All information in this manual is subject to change without prior notice. Therefore, you must check the
correspondence of your manual with your machine. No part of this manual may be copied or reproduced in any
form or by any means, without the prior written consent of Shin Heung Precision.
1 Precaution Statements
Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential hazards
such as electrical shock.
1-1 Safety Precautions
1. Be sure that all built-in protective devices are
replaced. Restore any missing protective
shields.
2. When reinstalling the chassis and its
assemblies, be sure to restore all protective
devices, including nonmetallic control knobs and
compartment covers.
3. Make sure there are no cabinet openings
through which people - particularly children might insert fingers and contact dangerous
voltages. Such openings include excessively
wide cabinet ventilation slots and improperly
fitted covers and drawers.
4. Design Alteration Warning:
Never alter or add to the mechanical or
electrical design of the POS. Unauthorized
alterations might create a safety hazard. Also,
any design changes or additions will void the
manufacturer’s warranty.
5. Components, parts and wiring that appear to
have overheated or that are otherwise damaged
should be replaced with parts that meet the
original specifications. Always determine the
cause of damage or over- heating, and correct
any potential hazards.
Components that are critical for safety are
indicated in the circuit diagram by shading,
( ) or ( ). Use replacement components
that have the same ratings, especially for
flame resistance and dielectric strength
specifications. A replacement part that does
not have the same safety characteristics as the
original might create shock, fire or other
hazards.
8. The socket-outlet shall be installed near
The equipment and shall be easily accessible
6. Observe the original lead dress, especially near
the following areas : sharp edges, and
especially the AC and high voltage supplies.
Always inspect for pinched, out-of-place, or
frayed wiring. Do not change the spacing
between components and the printed circuit
board. Check the AC power cord for damage.
Make sure that leads and components do not
touch thermally hot parts.
7. Product Safety Notice:
Some electrical and mechanical parts have
special safety-related characteristics which
might not be obvious from visual inspection.
These safety features and the protection they
give might be lost if the replacement component
differs from the original - even if the
replacement is rated for higher voltage, wattage,
etc.
comply with the limits for a Class A digital device,
SAM4S SAP-630 SERIES
9. This device complies with part 15 of the FCC
Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference,
and
(2) This device must accept any interference
received, including interference that may cause
undesired operation
10. This equipment has been tested and found to
pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection
against harmful interference when the equipment is
operated in a commercial environment. This
equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in
accordance with the instruction manual, may cause
harmful interference to radio communications.
Operation of this equipment in a residential area is
likely to cause harmful interference in which case
the user will be required to correct the interference
at his own expense
1-1
1 Precaution Statements
THE GRANTEE IS NOT RESPONSIBLE FOR ANY
IMPORTANT NOTE : FCC RF Radiation Exposure
CHANGES
OR
Statement
EXPRESSLY
APPROVED
RESPONSIBLE
FOR
MODIFICATIONS
BY
THE
COMPLIANCE.
NOT
PARTY
SUCH
This equipment complies with FCC RF radiation
MODIFICATIONS COULD VOID THE USER ’ S
exposure limits set forth for an uncontrolled
AUTHORITY TO OPERATE THE EQUIPMENT
environment. This equipment should be installed
and operated with a minimum distance of 20
centimeters between the radiator and your body.
This transmitter must not be co-located or operating
in conjunction with any other antenna or transmitter.
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED
BY AN INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING
TO THE INSTRUCTIONS
ATTENTION
IL Y A RISQUE D'EXPLOSION SI LA BATTERIE EST
REMPLACÉE
PAR UNE BATTERIE DE TYPE INCORRECT.
METTRE AU REBUT LES BATTERIES USAGÉES
CONFORMÉMENT AUX INSTRUCTIONS
1-2
SAM4S SAP-630 SERIES
1 Precaution Statements
1-2 Servicing Precautions
WARNING: First read the-Safety Precautions-section of this manual. If some unforeseen circumstance creates
a conflict between the servicing and safety precautions, always follow the safety precautions.
WARNING: An electrolytic capacitor installed with the wrong polarity might explode.
1. Servicing precautions are printed on the cabinet.
Follow them.
2. Always unplug the units AC power cord from the
AC power source before attempting to:
(a) Remove or reinstall any component or
assembly (b) Disconnect an electrical plug or
connector (c) Connect a test component in
parallel with an electrolytic capacitor
3. Some components are raised above the printed
circuit board for safety. An insulation tube or
tape is sometimes used. The internal wiring is
sometimes clamped to prevent contact with
thermally hot components. Reinstall all such
elements to their original position.
4. After servicing, always check that the screws,
components and wiring have been correctly
reinstalled. Make sure that the portion around the
serviced part has not been damaged.
5. Check the insulation between the blades of the
AC plug and accessible conductive parts
(examples : metal panels and input terminals).
6. Insulation Checking Procedure:
Disconnect the power cord from the AC source
and turn the power switch ON. Connect an
insulation resistance meter (500V) to the blades
of AC plug.
The insulation resistance between each blade of
the AC plug and accessible conductive parts
(see above) should be greater than 1 megaohm.
7. Never defeat any of the B+ voltage interlocks.
Do not apply AC power to the unit (or any of its
assemblies) unless all solid-state heat sinks are
correctly installed.
8. Always connect an instrument’s ground lead to
the instrument chassis ground before connecting
the positive lead ; always remove the
instrument’s ground lead last.
1-3 Precautions for Electrostatically Sensitive Devices (ESDs)
1.
2.
3.
4.
5.
6.
1-3
Some semiconductor (solid state) devices are easily
damaged by static electricity. Such components are
called Electrostatically Sensitive Devices
(ESDs);
examples include integrated circuits and some fieldeffect transistors. The following techniques will reduce
the occurrence of component damage caused by static
electricity.
Immediately before handling any semiconductor
components or assemblies, drain the electrostatic
charge from your body by touching a known earth
ground. Alternatively, wear a discharging wrist-strap
device. (Be sure to remove it prior to applying power this is an electric shock precaution.)
After removing an ESD-equipped assembly, place it
on a conductive surface such as aluminum foil to
prevent accumulation of electrostatic charge.
Do not use freon-propelled chemicals. These can
generate electrical charges that damage ESDs.
Use only a grounded-tip soldering iron when soldering
or unsoldering ESDs.
Use only an anti-static solder removal device. Many
solder removal devices are not rated as anti-static;
these can accumulate sufficient electrical charge to
damage ESDs.
7.
8.
9.
Do not remove a replacement ESD from its protective
package until you are ready to install it.
Most
replacement ESDs are packaged with leads that are
electrically shorted together by conductive foam,
aluminum foil or other conductive materials.
Immediately before removing the protective material
from the leads of a replacement ESD,
touch the
protective material to the chassis or circuit assembly
into which the device will be installed.
Minimize body motions when handling unpackaged
replacement ESDs. Motions such as brushing clothes
together, or lifting a foot from a carpeted floor can
generate enough static electricity to damage an ESD.
SAM4S SAP-630 SERIES
2 Product Specifications
Specifications are correct at the time of printing. Product specifications are subject to change without notice.
See below for product specifications.
General Specifications
Item
Description
PROCESSOR
 Intel Celeron N3160(Quad Core up to 2.24GHz)
OS
 Android 6.0(Marshmallow)
MEMORY
SERIAL
INTERFACE
(RS-232C)
LAN
Remark
 Storage
: eMMC 8GB
 SDRAM
: DDR3 2GB
 Flow Control :
① CTS / RTS
: H/W Flow Control
RS-232C #1(DSUB-9)
RS-232C #2(DSUB-9)
② XON / XOFF
 Voltage Supply
: S/W Flow Control
: VCC(+5V/1A) supplies at RS-232C#1~#4
RS-232C #3(RJ45)
RS-232C #4(RJ45)
 10/100 base-T
ETHERNET(TCP/IP)
SD CARD
 1-Slot [64GB_max]
SDHC Compatible
MSR
 1-Slot [option]
1/2 Track or 2/3 Track
i-BUTTON
 Magnetic [option]
DRAWER
 3-port [ Default (internal) #1
USB
 2-port [HOST]
WIRELESS
 WiFi / Bluetooth [option]
PRINTER
 Model
 Printing Speed
: LTPF347E(SII)
: 100mm/sec
 Type
: Guillotine
AUTO CUTTER
RJ-11
#2,#3]
 Cutting Method
: 1 Point Partial Cutting
DISPLAY
 Operator Display
 Customer Display
: 9.7” TFT-LCD(LED B/L), 1024x768
: 16char*2line LCD
TOUCH
 5-Wire Resistive
KEY BOARD
 Flat Rubber Key
 Raised Key
POWER
CONSUMPTION
POWER
REQUIREMENT
Detail Spec refer to Next
Page
: 160 Key
: 90Key
 Approx. 40W (Regularity)
 AC 100-240V 50/60Hz
ENVIRONMENT
CONDITION
 Temperature
: 0℃ ~ 45℃
 humidity
: 30% ~ 80% RH
WEIGHT
 Approximately 12Kg
DIMENSION(mm)
 400(W) × 468(L) × 344(H) : With G-Drawer
Set Size
Table2-1 General Specifications
SAM4S SAP-630 SERIES
2-1
2 Product Specifications
2-2 Appearance
2-2-1 Appearance Dimensions (mm)
 400(W) : With G-Drawer
 420(W) : With H-Drawer
Figure2-1 Dimensions
2-2-2 Location Features
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
Printer Cover
SD Card
Key Board
USB
Drawer
Customer LCD Display (16char*2line LCD)
Operator LCD Display(9.7” LED Panel 1024*768)
Mode Key
MSR
Dallas Key (i-BUTTON)
Figure2-2 Location Features
2-2
SAM4S SAP-630 SERIES
2 Product Specifications
2-3 Thermal Printer Specifications
2-3-1 Printer Specification (3”)
Item
Description
Model
 LTPF347E
Print Method
 Thermal Line Printing
Total Number of Dots
Printing Format
Dot Pitch
SII
 576 Dots / I Line
 Vertical
: 0.125 mm
 Horizontal
: 0.125 mm
Printing Speed
 100 mm/Sec
Printing Direction
 Unidirectional Friction Feed
Paper Feeding
Feeding Method
 Friction Feed
Minimum Feed Pitch
 0.0625 mm
Feeding Speed
 100 mm/Sec
Power Voltage
 24V/24V (Recommend)
Head/Motor
Circuit Input Voltage
 5V
Head Control/Sensor
Heat Element Density
 8 Dots/mm (200dpi)
Total Head Elements
 576 Dots/Dot Line
Available Printing Width
 72 mm
Heat Element Typical Ω
 1500 Ω ±3%
Power Supply Volt
Printer Head
 4-Phase Bi-Polar Stepping Motor
Line Feed Motor
Sensor
Auto Cutter
Remark
Head Temperature
 Thermistor
Paper-End Sensor
 Reflecting Photo Sensor
Printer Cover Open Sensor
 Micro Switch
Type
 Guillotine Type
TPH
 100Km , 1×108 Pulses
Auto-cutter
 1,000,000 Cuts
Reliability
Dimension (mm)
 110.2 (W) ×54 (D) ×25.8 (H)
Weight
 Approx. 175 g
SII
Paper : PD-160R-N
(Oji paper co.,Ltd)
Table2-2 Thermal Printer Specifications
SAM4S SAP-630 SERIES
2-3
2 Product Specifications
2-3 Thermal Printer Specifications
2-3-2 Paper Specification
Item
Description
Paper Type
 Single-ply Thermal Paper Roll
Paper Size
 79.5 mm±0.5 mm (Width) ×80 mm or less
Specified Paper
 Original Paper No : HPK-110 (Hansol paper XT)
Remark
Table2-3 Paper Specification
Note: The following paper can be used instead of the specified paper above.
TF50KS-E: Nippon paper industries Co.,Ltd.
PD 160R : New Oji paper Mfg, Co.,Ltd.
F380
: Kansaki specialty papers, Inc. (USA)
2-3-3 Printable Area
The Printable area of a paper with width of 79.5mm is 72.0mm(576 dots) and the space on the right and left
sides are approximately 4.0mm.
a = 79.5±0.5 mm (Paper Width)
b = 0.141 mm (1 Dot)
c = 72.0 mm(576 Dots/Printable Area)
d = 4.0 mm (Left Space)
e = 4.0 mm (Right Space)
Figure2-3 Printable Area
2-3-4 Character Specification
Item
Description
Character Structure
 12(W) × 24(H) Font (Including a Horizontal)
Character Size
 1.25 mm(W) ×3.0 mm(H)
Column Pitch
 1.5 mm
Line Pitch
 3.75 mm (Including 6-dot Line Spacing)
Number of Column
 32 (12×24 Dots/Character)
Remark
Table2-4 Character Specification
2-4
SAM4S SAP-630 SERIES
2 Product Specifications
2-4 Power Specifications
2-4-1 Power Specification
Item
Input Voltage &
Current
Description
Remark
 AC 100~240V, 800mA, 50/60Hz (Min : 90V, Max : 264V)
[AC/DC Adaptor(24V/2.5A) Internal]
Power Consumption
 Peak
: 50W
Table2-5 Power Specification
2-5 Interface Specifications
2-5-1 RS-232C Serial Interface Specification
Item
Description
Data Transmission
 Serial Data Transmission
Synchronization
 Asynchronous
Hand Shaking
 H/W
: CTS / RTS
(Flow Control)
 S/W
: XON / XOFF
Signal Level
XON : ASC Code 11h
XOFF : ASC Code 13h
 Logic”1” (MARK)
: -3V ~ -15V
 Logic”0” (SPACE)
: +3V ~ +15V
Baud Rate
 2400 / 9600 / 19200 / 38400 / 57600 / 115200 bps
Data Word Length
 7 Bit / 8 Bit
Parity
 None / Even / Odd
Connector
Voltage Supply
Remark
 DB9P Male
: COM#1, COM#2
 RJ-45 Modular Jack
: COM#3, COM#4
 VCC(+5V/1A):COM#1~#4
 VCC(+5V/1A):USB#1~#2
Table2-6 RS-232C Serial Interface Specification
CAUTION :
“VCC” is supplied for the Barcode or other devices. Supply current 1A is total value including COM#1~COM#4.
If the Total Power Consumption exceeds specification (1A), the system cuts “VCC” of COM#1~COM#4.
“VCC “ is supplied for the USB Device. Supply current 1A is total value including USB1#~USB#2.
If the total Power Consumption exceeds specification (1A), the system cuts “VCC” of USB#1~USB#2.
SAM4S SAP-630 SERIES
2-5
2 Product Specifications
2-5 Interface Specifications
2-5-2 RS-232C Signal Description
PIN NO
Signal Name
Direction
DCD
IN
Carrier Detect
RXD
IN
Receive Data
TXD
OUT
Transmit Data
DTR
OUT
Data Set Ready
GND
DSR
IN
DSUB9
RJ45
Function
Data Terminal Ready
RTS
OUT
CTS
IN
Clear To Send
RI
IN
Ring Indicator
+5V/500mA
Request To Send
Total Power : 1A (COM#1,#2 : Pin9, COM#3,#4 : Pin1 )
2-6
SAM4S SAP-630 SERIES
2 Product Specifications
2-5 Interface Specifications
2-5-3 RS-232C Interface Cable (COM1, COM2)
15m
USER SIDE
(DSUB25 MALE)
SAP-630 SIDE
(DSUB9 FEMALE)
(+5V)
( PIN CONNECTION )
15m
USER SIDE
(DSUB9 MALE)
SAP-630 SIDE
(DSUB9 FEMALE)
(+5V)
( PIN CONNECTION )
CAUTION :
COM#1~COM#2 supplies “+5V” to DSUB9 “Pin Num 9”.
SAM4S SAP-630 SERIES
2-7
2 Product Specifications
2-5 Interface Specifications
2-5-3 RS-232C Interface Cable (COM3, COM4)
15m
SAP-630 SIDE
(RJ-45 Modular)
4(RXD)
3(TXD)
2(DSR)
7(S.GND)
8(DTR)
5(RTS)
6(CTS)
2(RXD)
3(TXD)
4(DTR)
5(S.GND)
6(DSR)
7(RTS)
8(CTS)
USER SIDE
(DSUB9 MALE)
( PIN CONNECTION )
15m
SAP-630 SIDE
(RJ-45 Modular)
4(RXD)
3(TXD)
2(DSR)
7(S.GND)
8(DTR)
5(RTS)
6(CTS)
3(RXD)
2(TXD)
20(DTR)
7(S.GND)
6(DSR)
4(RTS)
5(CTS)
USER SIDE
(DSUB25 MALE)
( PIN CONNECTION )
CAUTION :
COM#3~COM#4 supplies “+5V” to RJ45 “Pin Num 1”.
2-8
SAM4S SAP-630 SERIES
2 Product Specifications
2-5 Interface Specifications
2-5-4 USB Interface Specification
Item
Description
Transfer Type
Remark
● BULK
● Bi-Direction, Half-Duplex
Data Signal
● Differential Signal Pair (D+ / D-)
● NRZI Format
Data Format
● Zero Bit Stuffing after 6 Ones
Transceiver
● Differential Common Mode Range
: 0.8 ~ 2.5[V]
● Differential Receive Sensitivity
: 200[mV]
● Single End Receive Threshold
: 0.8 ~ 2.5[V]
Speed
● 480Mbps, 12Mbps
Power
● Supply 5V/500mA (For HID)
Cable & Connector
Support Spec
● Cable
:5m/2m
● Connector
:A type
● USB Spec Version 2.0
2-5-5 USB Signal Description
Pin No
Signal Name
Color
SHELL
Shield
Drain Wire
VBUS
Red
Function
Frame GND
Host Power : DC5[V] / 500[mA]
D-
White
Differential Data Line
D+
Green
Differential Data Line
GND
Black
Signal GND
2-5-6 USB Interface Cable
USER SIDE
SAP-630 SIDE
"B" TYPE PLUG
"A" TYPE PLUG
( USB CABLE )
SAM4S SAP-630 SERIES
2-9
2 Product Specifications
2-5 Interface Specifications
2-5-7 LAN (IRC) Signal Description
Pin No
Signal Name
Signal Direction
Function
ENET TX+
OUT
Ethernet Transmit Data Line(+)
ENET TX-
OUT
Ethernet Transmit Data Line(-)
ENET RX+
IN
Ethernet Receive Data Line(+)
N.C
N.C
ENET RX-
IN
N.C
N.C
Ethernet Receive Data Line(+)
2-5-8 LAN (IRC) Interface Cable
MAX 100M
SAP-630 SIDE
1(ENET TX+)
2(ENET TX-)
3(ENET RX+)
4(N.C)
5(N.C)
6(ENET RX-)
7(N.C)
8(N.C)
1(ENET TX+)
2(ENET TX-)
3(ENET RX+)
4(N.C)
5(N.C)
6(ENET RX-)
7(N.C)
8(N.C)
USER SIDE
( POS to POS IRC I/F CABLE )
1(ENET TX+)
2(ENET TX-)
3(ENET RX+)
4(N.C)
5(N.C)
6(ENET RX-)
7(N.C)
8(N.C)
1(ENET TX+)
2(ENET TX-)
3(ENET RX+)
4(N.C)
5(N.C)
6(ENET RX-)
7(N.C)
8(N.C)
( POS to HUB IRC I/F CABLE )
2-10
SAM4S SAP-630 SERIES
2 Product Specifications
2-5 Interface Specifications
2-5-9 DRAWER Signal Description
Pin No
Signal Name
Direction
S.G
DRAWER#OUT
OUT
DRA_COMP
IN
+24V
DRAWER#OUT
OUT
F.G
Function
Signal GND
Drawer Kick-Out Driver Signal.
Drawer Open / Close Signal
Supply DC +24[V]
Drawer Kick-Out Driver Signal.
Frame GND
CAUTION :
Make sure that installed “+24V Cash Drawer”.
Make sure that the Cash Drawer Solenoid Resistance is more than 20[Ohm]
2-5-10 DRAWER Interface Cable
DRAWER
COMPULSORY
RJ11 6P
(DRAWER I/F CABLE)
USER SIDE
SAP-630 SIDE
( DRAWER CONNECTOR )
SAM4S SAP-630 SERIES
2-11
3 Installation and Operation
3-1 Touch Calibration
No
Setup Method
Remark
 Click the menu
 Click Touch Screen “APP”
 Click Calibration
SAM4S SAP-630 SERIES
3-1
3 Installation and Operation
 Follow below steps
3-2
SAM4S SAP-630 SERIES
3 Installation and Operation
3-2 Application Management
3-2-1 Application INSTALL
No
Setup Method
Remark
Click “the APKInstaller”
SAM4S SAP-630 SERIES
3-3
3 Installation and Operation
Click “the APK”
3-4
 Click Install
SAM4S SAP-630 SERIES
3 Installation and Operation
 You can check what is installed on the menu screen.
SAM4S SAP-630 SERIES
3-5
3 Installation and Operation
3-2 Application Management
3-2-2 Application UNINSTALL
No
Setup Method
Remark
Click “Settings”
Click “the APK”
3-6
SAM4S SAP-630 SERIES
3 Installation and Operation
 Click on the app you want to delete.
 Click “UNINSTALL” button.
SAM4S SAP-630 SERIES
3-7
3 Installation and Operation
 Click “OK”
 You can check the success message.
3-8
SAM4S SAP-630 SERIES
3 Installation and Operation
3-3 System Set Up
In the system user can setup according to their own requirements, such as network connection, language,
Input methods, Display brightness, Sound output and check storage space
No
Setup Method
Remark
Click Settings Icon.
WIFI
When opened WIFI Setting would search available wireless router signals, user
just select a router and input correct password then could browser internet. If
the router does not have password, WIFI would connect it directly
SAM4S SAP-630 SERIES
3-9
3 Installation and Operation
Ethernet
First, check box to turn on Ethernet, click “Ethernet” to choose connection
type.
Display
This is for Display setting;
Brightness: Click to setup brightness of backlight.
Font Size: Click to setup system font size according to their preference.
3-10
SAM4S SAP-630 SERIES
3 Installation and Operation
Language & Input
User can set the language for system menus according to their Country or
preference. (About 60 languages supported) System default support Chinese
and English, user need manual installing other input methods.
SAM4S SAP-630 SERIES
3-11
3 Installation and Operation
3-4 Hardware Self Test
3-4-1 INSTALL UTILITY
No
Setup Method
After
Remark
Install “Utility Apk”
Click this APK
Check the F/W versions (OS & Micom)
3-12
SAM4S SAP-630 SERIES
3 Installation and Operation
3-4 Hardware Self Test
3-4-2 DISPLAY TEST
Test
Remar
Method
Press “DISPLAY TEST” from the main menu in the Touch Screen.
Display
TEST
Check the LCD State.(9.7inch LCD). You must touch the screen for test is done.
SAM4S SAP-630 SERIES
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3 Installation and Operation
3-4 Hardware Self Test
3-4-3 TOUCH TEST
Test
Remar
Method
Press “TOUCH TEST” from the main menu in the Touch Screen.
Touch
TEST
3-14
 Touch the 4 Circles or Press and drag 4 Circles.
SAM4S SAP-630 SERIES
3 Installation and Operation
3-4 Hardware Self Test
3-4-4 Contrast TEST
Test
Method
Remar
 Press “CONSTRAST TEST” from the main menu in the Touch Screen.
CONTRAST
TEST
Adjust “Brightness”
SAM4S SAP-630 SERIES
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3 Installation and Operation
3-4 Hardware Self Test
3-4-5 DRAWER Port TEST
Test
Method
Remar
Press “DRAWER TEST” from the main menu in the Touch Screen.
DRAWER
TEST
When DRAWER Open , DRAWER Status is changed
3-16
SAM4S SAP-630 SERIES
3 Installation and Operation
3-4 Hardware Self Test
3-4-6 Ethernet TEST
Test
Method
Remark
Connect The UTP CABLE to Ethernet Port
Press “ETHERNET TEST” from the main menu in the Touch Screen.
Ethernet
TEST
SAM4S SAP-630 SERIES
3-17
3 Installation and Operation
3-4 Hardware Self Test
3-4-7 Serial Port TEST
Test
Remar
Method
Connect Loop-back Test Connector to SERIAL Port
1(DCD)
2(RXD)
3(TXD)
4(DTR)
5(S.GND)
6(DSR)
7(RTS)
8(CTS)
9(RI)
(CONNECTOR CIRCUIT ) COM1,2 (MALE)
(RJ-45 Test Connector)
(DSUB9 Test Connector)
Press “SERIAL TEST” from the main menu in the Touch Screen.
SERIAL
PORT TEST
Check the Port #1,#2,#3,#4
3-18
SAM4S SAP-630 SERIES
3 Installation and Operation
3-4 Hardware Self Test
3-4-8 Beep TEST
Test
Method
Remar
Press “BEEP TEST” from the main menu in the Touch Screen.
BEEP TEST
 Check the Beep #1, #2
SAM4S SAP-630 SERIES
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3 Installation and Operation
3-4 Hardware Self Test
3-4-9 MSR TEST
Test
Method
Press “MSR TEST” from the main menu in the Touch Screen.
MSR TEST
3-20
 When you swipe a magnetic card, If you see the value of the card .Test is done.
SAM4S SAP-630 SERIES
3 Installation and Operation
3-4 Hardware Self Test
3-4-10 WIFI TEST
Test
Method
Press “WIFI TEST” from the main menu in the Touch Screen.
WIFI TEST
 Press WIFI ON button and then show the dbm.
SAM4S SAP-630 SERIES
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3 Installation and Operation
3-4 Hardware Self Test
3-4-11 BLUETOOTH TEST
Test
Method
Press “BLUETOOTH TEST” from the main menu in the Touch Screen.
BLUETOOTH
TEST
3-22
 Press ON button and then show the list of devices.
SAM4S SAP-630 SERIES
3 Installation and Operation
3-4 Hardware Self Test
3-4-12 KEYBOARD TEST
Test
Method
Remar
Press “KEY BOARD TEST” from the main menu in the Touch Screen.
KEYBOARD
TEST
Press “KEY BOARD 160KEY” on Keyboard. When You press Keys, Button is changed to black
Test is done.
SAM4S SAP-630 SERIES
3-23
3 Installation and Operation
3-4 Hardware Self Test
3-4-13 REAR DISPLAY TEST
Test
Method
Remark
 Press “REAR DISPLAY TEST” from the main menu in the Touch Screen.
REAR DISPLAY
TEST
Check the Rear Display(2Line LCD).
3-4 Hardware Self Test
3-4-14 MODE TEST
Test
Method
Remar
Press “MODE TEST” from the main menu in the Touch Screen.
MODE
TEST
When the key is turned ,If you see the all testing mode value, test is done
3-24
SAM4S SAP-630 SERIES
3 Installation and Operation
3-4 Hardware Self Test
3-4-15 Printer TEST
Test
Method
Remark
Press “MODE TEST” from the main menu in the Touch Screen.
Press “PRINTER” from the main menu in the Touch Screen.
PRINTER
TEST
 Click the Print button.
 Open the Print Cover and then show the Error messages.
SAM4S SAP-630 SERIES
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3 Installation and Operation
3-4 Hardware Self Test
3-4-16 DALLAS TEST
Test
Method
Remar
Press “DALLAS TEST” from the main menu in the Touch Screen.
DALLAS
TEST
When You connect Dallas key to Dallas module, You can see the numbers on Screen.
3-4 Hardware Self Test
3-4-17 SD CARD TEST
Test
SD CARD
TEST
3-26
Method
Remar
Insert SD Card
Press “SD CARD TEST” from the main menu in the Touch Screen.
SAM4S SAP-630 SERIES
3 Installation and Operation
SAM4S SAP-630 SERIES
3-27
3 Installation and Operation
3-5 System Configuration
3-5-1 Configuration
Figure 3-1 System Configuration
3-28
SAM4S SAP-630 SERIES
3 Installation and Operation
3-6 Installation
3-6-1 Options
No.
Item
Description
Dallas Key
5EA, 10EA, 15EA
Water Proof
Default
MSR
1Slot
Remark
Selectable
Table 3-1 Option
3-6-2 Supplies
No.
Item
Description
Paper Roll
1EA
Mode Key
VD, REG, X, Z, P, C
User Manual
1 EA
Remark
Table 3-2 Supplies
SAM4S SAP-630 SERIES
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3 Installation and Operation
3-7 Installation
3-7-1 Paper Roll Installation
1. Open the cover printer.
2. Pulling the Orange Lever will open paper cover in Figure3-2-①.
3. Ensure that the paper is being fed from the bottom of the roll. Place the roll into the concave bottom of the
printer. And put the leading edge of the paper over the printer in Figure3-2-②.
4. Close the printer cover slowly until it locks firmly.
5. Tear off the excess paper.
Figure 3-2 Paper Installation
3-30
SAM4S SAP-630 Series
3 Installation and Operation
3-7 Installation
3-7-2 Installation of MSR Assembly
Caution :
ꞏ Before installation, be sure to turn off the power switch.
ꞏ Use gloves to protect your hand from being cut by the angle and the chassis.
ꞏ Connect all the cables correctly. When connecting or disconnecting the cables, be careful not to apply
stress to the cables. (It may cause disconnection)
ꞏ Be careful not to bind interface cables and AC power cord together.
1 by using a (-) shaped screw driver.
1. Cut off the area (MSR assembly area) shown in the Figure 3-3-○
2 shows the difference before and after.
2. Figure 3-3-○
Figure 3-3 MSR Installation (1)
SAM4S SAP-630 SERIES
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3 Installation and Operation
3-7 Installation
3-7-3 Installation of MSR Assembly
1 -○
a .
1. Connect Ground Wire & MSR Harness of MSR Assembly to the main set as shown in Figure 3-4-○
2. Tidy up the connectors of Ground Wire & MSR Harness by inserting them into the MSR Assembly
1 -○
b .
(Connectors should be hidden inside the MSR Assembly), Figure 3-4-○
2 , Figure 3-4-○
3 .
3. Insert MSR Assembly into the main set bracket holes as in Figure 3-4-○
4 .
4. Tighten MSR Assembly by moving it to the direction shown in Figure 3-4-○
Figure 3-4 MSR Installation (2)
3-32
SAM4S SAP-630 SERIES
3 Installation and Operation
3-7 Installation
3-7-4 Installation of MSR Assembly
1. Figure 3-5 shows the MSR Assembly is in position
Figure 3-5 MSR Installation (3)
SAM4S SAP-630 Series
3-33
3 Installation and Operation
3-8 Operation
Note: Before using this POS for the first time, leave it powered ON in the REG mode for at least 24 hours. This
allows the MS-Lithium Rechargeable battery, which maintains the POS’s memory while the power is OFF,
to fully charge.
3-8-1 Mode Switch
The position of the Mode Switch determines the action of the POS. The modes are described in Table 3-3
OFF
VOID
REG
Mode
Key
VOID
VD
OFF
REG
REG
Function
Use to void (correct) items outside of a sale.
The Register is inoperable.
Used for normal registrations.
Used to read register reports and perform other manager
functions.
Used to read register reports and reset totals to zero.
Used to program the register
Used for H/W tests and special setting.
Figure3-6 Mode Switch
Table3-3 Mode Switch Function
The mode keys can be used to access the following key lock positions.
Mode
VOID
Accessible Position
Void, Off, Register, Manager
Off, Register, Manager
Off, Register, Manager, Clear Totals
PGM
Remark
Void, Off, Register, Manager, Clear Totals, Program
Void, Off, Register, Manager, Clear Totals, Program, Service Mode
Table3-4 Key Function
Note : Key can be removed from the key lock in the OFF or REG position.
3-34
SAM4S SAP-630 SERIES
4 Disassembly and Assembly
Caution :
· Before installation, be sure to turn off the power switch.
· Use gloves to protect your hand from being cut by the angle and the chassis.
· Connect all the cables correctly. When connecting or disconnecting the cables, be careful not to apply
stress to the cables. (It may cause disconnection)
· Be careful not to bind interface cables and AC power cord together.
4-1 Disassembling the Case Upper Block
4-1-1 Ass’y Case Upper
1. Open the ASS'Y COVER PRINTER(B) and lift it off. (Page7-1)
2. Remove the five screws(C19:4pcs, C20:1pcs) from the ASS'Y CASE LOWER(G). (Page7-4)
3. Separate the two harnesses(ⓑ,ⓗ) from the INTERFACE BRKT(G-28). (Page7-11)
4. Separate the two harnesses(ⓒ,ⓘ) from the MOTHER BOARD(G-37). (Page7-11)
5. Lift off the ASS'Y CASE UPPER(C) from the ASS'Y CASE LOWER(G). (Page7-1)
4-1-2 Ass’y Front LCD Display
1. Separate the ASS'Y LCD DISPLAY(A) from the ASS'Y CASE UPPER (C). (Page7-1)
2. Remove the two CAP RUBBER(A-17) on the ASS’Y LCD DISPLAY(A).(Page7-2)
3. Remove the two screws(A-16) on the ASS’Y CASE UPPER(C). (Page7-2)
4. Remove the four screws(A-15) on the LCD HOLDER(A-14) and separate the LCD HOLDER(A-14).
5. Remove the four screws(A-13) on the LCD REAR(A-12) and separate the LCD REAR(A-12).(Page7-2)
6. Remove the six screws(A-9) from the BRKT LCD(A-6) and separate the LCD FRONT(A-1).(Page7-2)
7. Separate the TOUCH PANEL(A-3) and DISPLAY-LCD(A-5) from the BRKT LCD(A-6). (Page7-2)
4-1-3 Ass’y Rear Display
1. Separate the ASS'Y TURRET from the ASS'Y CASE UPPER (C). (Page7-4)
2. Remove the screw(C-28) on the TURRET REAR(C-27) . (Page7-4)
3. Separate the TURRET REAR(C-27) and remove the two screws(C-26). (Page7-4)
4. Separate the UNIT-REAR DISPLAY (C-24) from the TURRET FRONT(C -22). (Page7-4)
4-1-4 Ass’y Cover Mode Switch
1. Separate the ASS'Y COVER MODE S/W from ASS'Y CASE UPPER(C). (Page7-4)
2. Remove the four screws(C-14 and C-18) on the ASS'Y COVER MODE S/W and separate the ASS'Y
SWITCH ROTARY (Reference:C-15), LED BOARD(C-13) from the COVER MODE S/W(C-11). (Page7-4)
3. Remove the two screws(C-17) on the ASS'Y SWITCH ROTARY(Reference:C-15) and separate
the BRKT MODE SWITCH(C-16) and the SWITCH ROTARY (C-15). (Page7-4)
SAM4S SAP-630 SERIES
4-1
4 Disassembly and Assembly
4-2 Disassembling the Case Lower Block
4-2-1 Ass’y Printer
1. Open the ASS'Y COVER PRINTER(B) and lift it off. (Page7-1)
2. Separate the GROUND(ⓙ and ⓛ) from the ASS'Y CASE LOWER(G). (Page7-6,Page7-11)
3. Remove the two screws(G-7) from the ASS'Y CASE LOWER(G). (Page7-11)
4. Separate the ASS'Y PRINTER from the ASS'Y CASE LOWER(G). (Page7-11)
4-2-2 Ass’y key Board
1. Separate the two FPC cables from the MOTHER BOARD(G-37).
And then lift off the ASS’Y KBD(E or F).(Page7-11)
4-2-3 Ass’y Dallas Key
1. Disconnect the Harness of the ASS’Y DALLAS KEY(G-5) from the MOTHER BOARD(G-37).(Page7-11)
2. Lift up the ASS'Y DALLAS KEY.
3. If don’t use it, only lift up COVER FRONT(G-6) from the ASS'Y CASE LOWER(G).(Page7-15,Page7-11)
Note
There are three types in DALLAS KEY; ADDIMAT KEY, DALLAS KEY or ADDIMAT KEY
4-2-4 Ass’y MOTHER BOARD
1. Separate the six harnesses(ⓒ,ⓘ,ⓜ,ⓝ,ⓡ,ⓢ) and remove the six screws(G-38:5pcs,G-42:1pcs).
2. Remove the one screw(G-40) and separate the Wifi/Bluetooth module from the MOTHER BOARD(G-37).
3. Separate the MOTHER BOARD(G-37).(page7-11)
4. Remove the one screw(G-43) and separate the PLATE SHIELD(G-35) from the ASS’Y LOWER(G). (page7-11)
4-2-5 Ass’y USB BOARD
1. Remove the one screw(G-12) and separate the harnesses(n) from the MOTHER BOARD(G-37).(Page7-11)
2. Lift up the USB BOARD(G-11).(Page7-11).
4-2
SAM4S SAP-630 SERIES
5 Maintenance and Adjustment
5-1 Maintenance
5-1-1 Cleaning the Printer Head
Paper dust on the heating elements may lower the print quality. In this case, clean the print head as follows:
After printing, the printer head can be very hot.
Be careful not to touch it.
Also let it cool before you clean it.
Do not damage the printer head by touching it with your fingers or any hard object.
1. Turn the POS System power switch off.
2. Open the Printer Cover.
3. Open the cover of paper supplier with pushing the ORANGE CAP LEVER.
4. Clean the Printer Head Thermal Element with a cotton swab moistened with alcohol solvent.
(ethanol, methanol or IPA )
5. After confirming that alcohol solvent has been dried up completely, close the cover of paper supplier
until be locked.
Figure 5-1 Clean the Printer Head
Caution: Note that the thermal head(Thermal Element and Radiation Plate) becomes very hot during normal
operation. To prevent the danger of burn injury from thermal, be sure to wait for about 10 minutes after
turning power off before beginning the cleaning.
SAM4S SAP-630 SERIES
5-1
5 Maintenance and Adjustment
5-1 Maintenance
5-1-2 Removing Paper Jam
When the paper jam occurs, buzzer will beep and error message will be shown on the display. In this case,
open the COVER PRINTER with power ON. If the PRINTER COVER will not open, follow the below steps.
1. Lift it off COVER. (Figure 5-3-①)
2. Turn the KNOB(Orange color) forward or backward until the buzzer beep stops as illustrated Figure5-3-②.
3. Remove the jammed paper from the PRINTER.
Figure 5-3 Removing Paper Jam
5-2
SAM4S SAP-630 SERIES
6 Troubleshooting
6-1 System power-up sequence
The following lists the chain of events that occur when you turn on the POS. You can follow this list as one
means of determining if the POS is operating correctly.
When the power switch is turned on, these events occur:
6-1-1 Main B’D power-up sequence
 All devices (CPU, Memory, Controller…etc,) are reset.
 The OS & application program is copy from eMMC to DDR3 (2GB).
It takes about 10 sec.
 Now, Application program is run on DDR3 and TFT-LCD is displayed.
 All devices (micom, Memory…etc,) are reset.
 The power 5V LED are light on IO B’D. (LED1)
 And then, IO MICOM(U17) is waiting for communication with main CPU.
6-1-3 LCD B’D power-up sequence




The micom (ATMEGA8) is reset.
The power(5V) LED are light on LCD B’D
The Rear 2Line LCD are displayed
And then, LED B’D is waiting for communication with main B’D.
SAM4S SAP-630 SERIES
6-1
6 Troubleshooting
6-2 Power problem
6-2-1 Verifying the power supply
 Checking AC power cord.
 Checking the power switch whether it is connected well.
 Separate the power harness between SMPS and MAIN B’D.
And measure the DC output voltage on SMPS (+24V)
 If it does not go out, please replace the SMPS.
 If it output voltage is ok, check next.
6-2-2 Verifying the MAIN B’D power line
 Checking the power 5V LED on MAIN B’D (LED1), if it is on or not.
 If the power 5V LED are off, It must be short between power line and ground. (+V5S)
In this case, power off and separate the SMPS, MAIN B’D, LCD B’D and measure the resistance
between power line and ground.
 Measure other voltage.(Ex : VDD3.3V, VDD1.8V, Vserial)
 If these voltages above mentioned do not go out, check the appropriate regulator or component.
And check power line is short or open.
6-2-3 Verifying the LCD B’D power line
 The LCD B’D source voltage (VDD5V) is supplied the IO B’D
 Checking the power LEDs on lcd B’D, if it is on or not.
 If the power LEDs are off, It must be short between power line and ground. (VDD5V)
In this case, power off and measure the resistance between power line and ground.
 Measure other voltage.(Ex : +V3.3S, LCDVDD, VLED+)
 If these voltages above mentioned do not go out, check the appropriate regulator or component.
And check power line is short or open.
NOTE :
During servicing & repairing, Be careful against receiving an electric-shock.
6-2
SAM4S SAP-630 SERIES
6 Troubleshooting
6-3 Back-light, LCD, Data Memory, RTC, Battery Problem
6-3-1 Back-light of TFT-LCD problem
 Check the back-light voltage (VLED+ 19.2V) on LCD B’D.
 Check harness
→ Harness between MAIN B’D and LCD B’D (30-pin).
→ Harness between LCD B’D and TFT-LCD (IPEX cable 30-pin).
 Check the signal (Back-light adjust signal)
→ Check this signal whether it short / open.
6-3-2 TFT-LCD panel problem (No display)
 Check the LCD LVDS signals at LVDS Connector on Main B’D.
→ Measure these signals and check whether it short/open or not
 Check harness.
→ Harness between Main B’D and LCD B’D. (20-pin).
 Check the voltage VLCD3.3V. This voltage is used for TFT-LCD panel logic.(MAIN B’D output)
 Check the LVDS Cable between LCD B’D and TFT-LCD panel (IPEX CABLE 30-pin)
6-3-3 RTC problem
 Check backup circuit on MAIN B’D
→ Check the RTC clock, this frequency is 32.768KHz
→ Check battery voltage whether above 2.5V or not.
SAM4S SAP-630 SERIES
6-3
6 Troubleshooting
6-4 LAN, USB, Serial Port Problem
6-4-1 LAN
 Cable NOT attached (Green LED of LAN connector does not turn on).
→ Check LAN cable. Refer to chapter 2 cable connection diagram.
→ For IRC (Inter Register Communication), It has to be used the cross cable.
→ For LAN, It has to be used the direct connection cable.
→ Check LAN RJ-45 modular jack insert right position..
 Communication fail occurs (Yellow LED of LAN connector does not blank).
→ Check LAN cable whether cable wire is open or not.
→ Check cable length. Based on LAN specification, the cable length has to less than 100M.
→ Check MAIN B’D and related circuit & component whether short or not.
 Related System Clock.
→ Check the crystal, if it operates correctly or not.
→ Clock frequency is 25MHz. (LX1)
6-4-2 USB
 USB device NOT attached and Communication fail occurs.
→ Check USB device whether it is broken or not.
→ Check USB version. This product supports USB 2.0 version.
→ Check related circuit & component whether short or not.
→ Check USB source voltage (+5V) for HID (Ex ; Mouse, Keyboard, Scanner…etc,.)
→ Check the Cable for front USB Connector
6-4-3 Serial (COM#1 ~ COM#4)
 Communication fail occurs.
→ Check communication setting parameter (Speed, Parity, Data Bit…etc,.)
→ Check the interface cable. Refer to Chapter 2 for cable connection.
→ Check the RS232 driving voltage (+12V, -12V).
→ Measure +12V, -12V on main B’D. If -12V voltage level is less than -7.0V, it is OK.
→ Check related circuit & component whether open or not.
→ Check controller chip and related circuit. (COM#1:U43, COM#2:U44, COM#3:U46, COM#4:U45)
→ Perform the loop-back test at self test mode. Refer to Chapter3 for loop-back connection.
 Scanner device NOT attached and Communication fail occurs.
→ The source voltage (+5V) for scanner comes out at COM#1,#2,#3,#4..
→ Check the power consumption of scanner. This product limits the power current;
→ Scanner is less than 300[mA]. (Recommend)
→ Check related circuit & component whether open or not.
6-4-4 SDCARD
 Operation Fail.
→ Performs the SDCARD test at H/W test Utility.
→ Check the harness between SD B’D and Main B’D, if it is connected or not.
→ Check the 10-Pin harness, it is OK or not.
→ Check related circuit & component whether short or not.
6-4
SAM4S SAP-630 SERIES
6 Troubleshooting
6-5 LCD B’D Problem (Boot, LCD Panel, Touch Panel, Rear LCD, LED)
6-5-1 LCD B’D Boot problem
 Related RESET
→ Check the reset signal of ATMEGA8 (U1) input.
→ Check related circuit & component whether short or not.
→ Check the harness Between Main B’D and LCD B’D, if communication is OK or not.
 Related Program
→ The micom(ATMEGA8, U1) has the internal flash to store the program.
→ Check the program is broken or erased.
→ For program download or upgrade, refer the chapter 3.
 Related System Clock
→ Check the crystal, if it operates correctly or not.
→ Clock frequency is 14.7456MHz.
6-5-2 LCD Panel problem
 Operation Fail
→ Performs the LCD panel test at H/W test Utility.
→ Check the power voltage (VLCD3.3V) on LCD B’D.
→ Check the IPEX cable between LCD panel to LCD B’D.
→ Check related circuit & component whether short or not.
→ Check the Micom on LCD B’D whether it works normally or dead.
→ Check the harness between LCD B’D and Main B’D, if communication is OK or not.
6-5-3 Touch panel problem
 Operation Fail
→ Performs the touch panel test at H/W test Utility.
→ Check the FPC harness between touch panel to LCD B’D.
→ Check related circuit & component whether short or not.
→ Check the harness between LCD B’D and Main B’D.
6-5-4 Rear LCD problem
 Operation Fail
→ Performs the Rear LCD test at H/W test Utility.
→ Check the harness between Rear LCD to LCD B’D.
→ Check the harness between LCD B’D to Main B’D.
→ Check related circuit & component whether short or not.
6-5-5 LED B’D problem
 Operation Fail
→ Performs the LED test at H/W test Utility.
→ Check the harness between LED B’D to LCD B’D.
→ Check related circuit & component whether short or not.
SAM4S SAP-630 SERIES
6-5
6 Troubleshooting
6-6 Main B’D problem (Boot, Thermal Printer, Feed motor, Auto-cutter)
6-6-1 Boot Flash ROM (MX29F800CBTI-70) problem of Main B’D
 Related RESET
→ Check the reset block (LM809M3X, U51) & reset time (150 ~ 270ms).
 Related System signals (Address, Data, nCE, nOE, nWE)
→ Check these signals whether it short / open.
 Related System Clock
→ Check the crystal, if it operates correctly or not.
→ Clock frequency is 9.216MHz.
 Related boot Flash ROM program.
→ If the boot program is erased during servicing, boot error is occurred.
6-6-2 Thermal Printer problem
 Print Operation Fail
→ Check the Flat cable between PRINTER and Main B’D, if it is connected or not.
→ Check the TPH voltage.(+24V),
→ Check the Control Signal on micom (data, clk, latch, strobe)
→ Check the Thermister of printer.
→ Check the ADC port of micom.
→ Check related circuit & component whether short or not.
 Feed motor Operation Fail
→ Check the harness between PRINTER and Main B’D, if it is connected or not.
→ Check the Voltage.(+24V),
→ Check the Phase signal.
→ Check the Driver (TEA3718, U36,39) enable signal.
→ Check the sensor’s input.
→ Check related circuit & component whether short or not.
6-6-3 Auto-cutter problem
 cutting Operation Fail
→ Check the Flat cable between PRINTER and Main B’D, if it is connected or not.
→ Check the Driver (TEA3718, U41) enable signal.
→ Check the sensor’s input.
→ Check related circuit & component whether short or not.
6-6
SAM4S SAP-630 SERIES
6 Troubleshooting
6-7 Main B’D problem (Key Board, Mode key, Drawer, MCR, Dallas-key)
6-7-1 Key Board & Mode Key
 Key Board Operation Fail
→ Check the FPC harness between Key Board and IO B’D.
→ Check the key scan part (74HC138, U24, U26, U27) and key return part(74HCT541, U25).
→ Change the Key board Assy
→ Check related circuit & component whether short or not.
 Mode key Operation Fail
→ Check the harness between Mode Key and LCD B’D.
→ Check the key return part(74HCT541, U25).
→ Change the mode key Assy
→ Check related circuit & component whether short or not.
6-7-2 Drawer & Compulsory
 Drawer Operation Fail
→ Check Drawer specification whether it is +24V drawer or not.
→ If +12V drawer is installed, System can be shutdown when open the drawer
→ Check the cable. Refer to Chapter 2 for cable connection.
→ Check related circuit & component whether short or not.
 Compulsory Fail
→ Check the cable and compulsory connector.
→ Check the micro switch in the Drawer.
6-7-3 MCR (Magnetic Card Reader)
 Operation Fail
→ Check the harness between MCR and Main B’D, if it is connected or not.
→ Check the connection between MAIN B’D and IO B’D, if communication is OK or not.
→ Check the CPU on IO B’D whether it works normally or dead.
→ Check related circuit & component whether short or not.
6-7-4 Dallas-Key
 Operation Fail
→ Check the harness between Dallas-Key and Main B’D, if it is connected or not.
→ Check the MICOM on Main B’D whether it works normally or dead.
→ Check related circuit & component whether short or not.
→ If these are OK above but Dallas-Key does not work, Please contact our R&D.
SAM4S SAP-630 SERIES
6-7
6 Troubleshooting
MEMO
6-8
SAM4S SAP-630 SERIES

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