Shin Heung Precision SAP-630 POS SYSTEM User Manual

Shin Heung Precision Co., Ltd. POS SYSTEM

User Manual

                        SAP-630 Series  C O N T E N T S SAP-630 SERIES POS SYSTEM Manual 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  SERVICE
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  20ⓒ18 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.
 SAM4S SAP-630 SERIES   1-1 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.                      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. 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  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 comply with the limits for a Class A digital device, 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 Precaution Statements 1-2    SAM4S SAP-630 SERIES THE GRANTEE IS NOT RESPONSIBLE FOR ANY CHANGES  OR  MODIFICATIONS  NOT EXPRESSLY  APPROVED  BY  THE  PARTY RESPONSIBLE  FOR  COMPLIANCE.  SUCH MODIFICATIONS  COULD  VOID  THE  USER ’ S AUTHORITY TO OPERATE THE EQUIPMENT        IMPORTANT NOTE : FCC RF Radiation Exposure Statement    This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled 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 Precaution Statements 1-3    SAM4S SAP-630 SERIES 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.  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  field-effect  transistors. The following  techniques  will  reduce the occurrence of component damage caused by static electricity. 2.  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.) 3.  After  removing  an  ESD-equipped  assembly,  place  it on  a  conductive  surface  such  as  aluminum  foil  to prevent accumulation of electrostatic charge. 4.  Do  not  use  freon-propelled  chemicals.    These  can generate electrical charges that damage ESDs. 5.  Use only a grounded-tip soldering iron when soldering or unsoldering ESDs. 6.  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.  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. 8.  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. 9.  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    2-1 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  Remark PROCESSOR   Intel Celeron N3160(Quad Core up to 2.24GHz)   OS   Android 6.0(Marshmallow)   MEMORY  Storage            : eMMC 8GB    SDRAM            : DDR3 2GB   SERIAL INTERFACE (RS-232C)  Flow Control :   ① CTS / RTS    : H/W Flow Control ② XON / XOFF    : S/W Flow Control  Voltage Supply    : VCC(+5V/1A) supplies at RS-232C#1~#4 RS-232C #1(DSUB-9) RS-232C #2(DSUB-9) RS-232C #3(RJ45) RS-232C #4(RJ45) LAN  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    /    RJ-11    #2,#3]   USB   2-port [HOST]   WIRELESS   WiFi / Bluetooth [option]   PRINTER  Model      : LTPF347E(SII)  Printing Speed  : 100mm/sec   Detail Spec refer to Next Page AUTO CUTTER  Type      : Guillotine  Cutting Method  : 1 Point Partial Cutting   DISPLAY  Operator Display  : 9.7” TFT-LCD(LED B/L), 1024x768  Customer Display  : 16char*2line LCD   TOUCH   5-Wire Resistive   KEY BOARD  Flat Rubber Key    : 160 Key  Raised Key  : 90Key     POWER CONSUMPTION  Approx. 40W (Regularity)   POWER REQUIREMENT  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
2 Product Specifications 2-2    SAM4S SAP-630 SERIES  2-2 Appearance   2-2-1 Appearance Dimensions (mm)                   Figure2-1 Dimensions 2-2-2 Location Features                          Figure2-2 Location Features   400(W) : With G-Drawer  420(W) : With H-Drawer ①  Printer Cover   ②  SD Card ③  Key Board ④  USB ⑤  Drawer ⑥  Customer LCD Display (16char*2line LCD) ⑦  Operator LCD Display(9.7” LED Panel 1024*768) ⑧  Mode Key ⑨  MSR ⑩  Dallas Key (i-BUTTON)
2 Product Specifications SAM4S SAP-630 SERIES    2-3   2-3 Thermal Printer Specifications 2-3-1 Printer Specification (3”) Item  Description  Remark Model   LTPF347E  SII Print Method   Thermal Line Printing     Printing Format Total Number of Dots   576 Dots / I Line     Dot Pitch  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 Supply Volt Power Voltage   24V/24V (Recommend)  Head/Motor Circuit Input Voltage   5V  Head Control/Sensor Printer Head 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%   Line Feed Motor   4-Phase Bi-Polar Stepping Motor   Sensor Head Temperature   Thermistor   Paper-End Sensor   Reflecting Photo Sensor   Printer Cover Open Sensor   Micro Switch   Auto Cutter  Type   Guillotine Type  SII Reliability TPH   100Km , 1×108 Pulses  Auto-cutter   1,000,000 Cuts Paper : PD-160R-N (Oji paper co.,Ltd) Dimension (mm)   110.2 (W)  ×54 (D)  ×25.8 (H)   Weight   Approx. 175 g   Table2-2 Thermal Printer Specifications
2 Product Specifications 2-4    SAM4S SAP-630 SERIES 2-3 Thermal Printer Specifications 2-3-2 Paper Specification Item Description  Remark 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)   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.              Figure2-3 Printable Area 2-3-4 Character Specification Item Description  Remark 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)   Table2-4 Character Specification  b c d  ea 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)
2 Product Specifications SAM4S SAP-630 SERIES    2-5 2-4 Power Specifications 2-4-1 Power Specification   Item Description  Remark Input Voltage & Current  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  Remark Data Transmission   Serial Data Transmission   Synchronization   Asynchronous   Hand Shaking (Flow Control)  H/W    : CTS / RTS    S/W    : XON / XOFF XON : ASC Code 11h XOFF : ASC Code 13h Signal Level  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  DB9P Male    : COM#1, COM#2    RJ-45 Modular Jack      : COM#3, COM#4   Voltage Supply  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.
2 Product Specifications 2-6    SAM4S SAP-630 SERIES 2-5 Interface Specifications 2-5-2 RS-232C Signal Description PIN NO  Signal Name  Direction Function DSUB9  RJ45 1  -  DCD  IN  Carrier Detect 2  4  RXD  IN  Receive Data 3  3  TXD  OUT  Transmit Data 4    DTR  OUT  Data Set Ready     5  7  GND  -  - 6    DSR  IN  Data Terminal Ready   7  8  RTS  OUT  Request To Send 8  2  CTS  IN  Clear To Send     RI  IN  Ring Indicator 9  1  +5V/500mA  -  Total Power : 1A (COM#1,#2 : Pin9, COM#3,#4 : Pin1 )  -
2 Product Specifications SAM4S SAP-630 SERIES    2-7 2-5 Interface Specifications 2-5-3 RS-232C Interface Cable (COM1, COM2) SAP-630 SIDE (DSUB9 FEMALE)  (+5 V)  ( PIN CONNECTION )  USER SIDE (DSUB25 MALE)  SAP-630 SIDE (DSUB9 FEMALE)  (+5 V)  ( PIN CONNECTION )  USER SIDE (DSUB9 MALE)  CAUTION :   COM#1~COM#2 supplies “+5V” to DSUB9 “Pin Num 9”.      15m 15m
2 Product Specifications 2-8    SAM4S SAP-630 SERIES 2-5 Interface Specifications 2-5-3 RS-232C Interface Cable (COM3, COM4) SAP-630 SIDE (RJ-45 Modular)   5(RTS)6(CTS)3(TXD)7(S.GND)2(DSR)7(RTS)8(CTS)5(S.GND)3(TXD)4(DTR)8(DTR)4(RXD)6(DSR)2(RXD)  ( PIN CONNECTION )  USER SIDE (DSUB9 MALE)  SAP-630 SIDE (RJ-45 Modular)   5(RTS)7(S.GND)8(DTR)3(TXD)4(RXD)4(RTS)7(S.GND)6(DSR)2(TXD)3(RXD)6(CTS)2(DSR)5(CTS)20(DTR)  ( PIN CONNECTION )  USER SIDE (DSUB25 MALE)  CAUTION :   COM#3~COM#4 supplies “+5V” to RJ45 “Pin Num 1”.      15m 15m
2 Product Specifications SAM4S SAP-630 SERIES    2-9 2-5 Interface Specifications 2-5-4 USB Interface Specification Item  Description  Remark Transfer Type  ● BULK   Data Signal  ● Bi-Direction, Half-Duplex ● Differential Signal Pair (D+ / D-)  Data Format  ● NRZI 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  ● Cable    :5m/2m ● Connector  :A type  Support Spec  ● USB Spec Version 2.0     2-5-5 USB Signal Description Pin No  Signal Name  Color  Function SHELL  Shield  Drain Wire    Frame GND 1  VBUS  Red    Host Power : DC5[V] / 500[mA] 2  D-  White    Differential Data Line 3  D+  Green    Differential Data Line 4  GND  Black    Signal GND   2-5-6 USB Interface Cable SAP-630 SIDE  "A" TYPE PLUG "B" TYPE PLUG ( USB CABLE )  USER SIDE
2 Product Specifications 2-10    SAM4S SAP-630 SERIES 2-5 Interface Specifications 2-5-7 LAN (IRC) Signal Description Pin No  Signal Name  Signal Direction  Function 1  ENET TX+  OUT  Ethernet Transmit Data Line(+) 2  ENET TX-  OUT  Ethernet Transmit Data Line(-) 3  ENET RX+  IN  Ethernet Receive Data Line(+) 4  N.C  -   5  N.C  -   6  ENET RX-  IN  Ethernet Receive Data Line(+) 7  N.C  -   8  N.C  -    2-5-8 LAN (IRC) Interface Cable SAP-630 SIDE  MAX 100M  5(N.C)7(N.C)8(N.C)4(N.C)5(N.C)6(ENET RX-)7(N.C)1(ENET TX+)2(ENET TX-)3(ENET RX+)6(ENET RX-)1(ENET TX+)2(ENET TX-)3(ENET RX+)4(N.C)8(N.C) ( POS to POS IRC I/F CABLE )   7(N.C)8(N.C)6(ENET RX-)7(N.C)2(ENET TX-)3(ENET RX+)4(N.C)6(ENET RX-)4(N.C)2(ENET TX-)3(ENET RX+)5(N.C)1(ENET TX+)8(N.C)5(N.C)1(ENET TX+) ( POS to HUB IRC I/F CABLE )  USER SIDE
2 Product Specifications SAM4S SAP-630 SERIES    2-11 2-5 Interface Specifications 2-5-9 DRAWER Signal Description   Pin No  Signal Name  Direction  Function 1  S.G  -  Signal GND 2  DRAWER#OUT  OUT  Drawer Kick-Out Driver Signal. 3  DRA_COMP  IN  Drawer Open / Close Signal 4  +24V  -  Supply DC +24[V] 5  DRAWER#OUT  OUT  Drawer Kick-Out Driver Signal. 6  F.G  -  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 SAP-630 SIDE  RJ11 6P COMPULSORYDRAWER  (DRAWER I/F CABLE)    61 ( DRAWER CONNECTOR )  USER SIDE
SAM4S SAP-630 SERIES    3-1 3 Installation and Operation 3-1 Touch Calibration No  Setup Method  Remark 1  Click the menu    2  Click Touch Screen “APP”    3   Click Calibration
3 Installation and Operation 3-2    SAM4S SAP-630 SERIES  4  Follow below steps
3 Installation and Operation SAM4S SAP-630 SERIES    3-3          3-2 Application Management 3-2-1 Application INSTALL No  Setup Method  Remark 1  Click “the APKInstaller”
3 Installation and Operation 3-4    SAM4S SAP-630 SERIES  2 Click “the APK”   3   Click Install
3 Installation and Operation SAM4S SAP-630 SERIES    3-5    4  You can check what is installed on the menu screen.
3 Installation and Operation 3-6    SAM4S SAP-630 SERIES 3-2 Application Management 3-2-2 Application UNINSTALL No  Setup Method  Remark 1 Click “Settings”   2 Click “the APK”
3 Installation and Operation SAM4S SAP-630 SERIES    3-7  3  Click on the app you want to delete.    4  Click “UNINSTALL” button.
3 Installation and Operation 3-8    SAM4S SAP-630 SERIES 5  Click “OK”   6  You can check the success message.
3 Installation and Operation SAM4S SAP-630 SERIES    3-9  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 1 Click Settings Icon.   2 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
3 Installation and Operation 3-10    SAM4S SAP-630 SERIES 3 Ethernet  First, check box to turn on Ethernet, click “Ethernet” to choose connection type.     4  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 Installation and Operation SAM4S SAP-630 SERIES    3-11    5 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.
3 Installation and Operation 3-12    SAM4S SAP-630 SERIES    3-4 Hardware Self Test 3-4-1 INSTALL UTILITY No  Setup Method  Remark 1 After Install “Utility Apk”   Click this APK     2 Check the F/W versions (OS & Micom)
3 Installation and Operation SAM4S SAP-630 SERIES     3-13     3-4 Hardware Self Test3-4-2 DISPLAY TEST Test  Method  Remark Display TEST     Press “DISPLAY TEST” from the main menu in the Touch Screen. . Check the LCD State.(9.7inch LCD). You must touch the screen for test is done.
3 Installation and Operation 3-14    SAM4S SAP-630 SERIES    3-4 Hardware Self Test 3-4-3 TOUCH TEST Test  Method  Remark Touch TEST Press “TOUCH TEST” from the main menu in the Touch Screen. .    Touch the 4 Circles or Press and drag 4 Circles.
3 Installation and Operation SAM4S SAP-630 SERIES    3-15 3-4 Hardware Self Test 3-4-4 Contrast TEST Test  Method  Remark CONTRAST TEST  Press “CONSTRAST TEST” from the main menu in the Touch Screen.  Adjust “Brightness”
3 Installation and Operation 3-16    SAM4S SAP-630 SERIES 3-4 Hardware Self Test 3-4-5 DRAWER Port TEST Test  Method  Remark DRAWER TEST Press “DRAWER TEST” from the main menu in the Touch Screen.  When DRAWER Open , DRAWER Status is changed
3 Installation and Operation SAM4S SAP-630 SERIES    3-17 3-4 Hardware Self Test3-4-6 Ethernet TEST Test  Method  Remark Ethernet TEST Connect The UTP CABLE to Ethernet Port   Press “ETHERNET TEST” from the main menu in the Touch Screen.
3 Installation and Operation 3-18    SAM4S SAP-630 SERIES 3-4 Hardware Self Test3-4-7 Serial Port TEST Test  Method  Remark SERIAL PORT TEST Connect Loop-back Test Connector to SERIAL Port (RJ-45 Test Connector) 9(RI)8(CTS)6(DSR)3(TXD)1(DCD)2(RXD)59617(RTS)4(DTR)(CONNECTOR CIRCUIT ) COM1,2 (MALE)5(S.GND) (DSUB9 Test Connector)  Press “SERIAL TEST” from the main menu in the Touch Screen.  Check the Port #1,#2,#3,#4
3 Installation and Operation SAM4S SAP-630 SERIES    3-19 3-4 Hardware Self Test 3-4-8 Beep TEST Test  Method  Remark BEEP TEST   Press “BEEP TEST” from the main menu in the Touch Screen.   Check the Beep #1, #2
3 Installation and Operation 3-20    SAM4S SAP-630 SERIES 3-4 Hardware Self Test 3-4-9 MSR TEST Test  Method MSR TEST Press “MSR TEST” from the main menu in the Touch Screen.   When you swipe a magnetic card, If you see the value of the card .Test is done.
3 Installation and Operation SAM4S SAP-630 SERIES    3-21 3-4 Hardware Self Test 3-4-10 WIFI TEST Test  Method WIFI TEST Press “WIFI TEST” from the main menu in the Touch Screen.   Press WIFI ON button and then show the dbm.
3 Installation and Operation 3-22    SAM4S SAP-630 SERIES 3-4 Hardware Self Test 3-4-11 BLUETOOTH TEST Test  Method BLUETOOTH TEST Press “BLUETOOTH TEST” from the main menu in the Touch Screen.   Press ON button and then show the list of devices.
3 Installation and Operation SAM4S SAP-630 SERIES    3-23 3-4 Hardware Self Test 3-4-12 KEYBOARD TESTTest  Method  Remark KEYBOARD TEST Press “KEY BOARD TEST” from the main menu in the Touch Screen.  Press “KEY BOARD 160KEY” on Keyboard. When You press Keys, Button is changed to black    Test is done.
3 Installation and Operation 3-24    SAM4S SAP-630 SERIES 3-4 Hardware Self Test3-4-13 REAR DISPLAY TEST Test  Method  Remark REAR DISPLAY TEST  Press “REAR DISPLAY TEST” from the main menu in the Touch Screen.  Check the Rear Display(2Line LCD).     3-4 Hardware Self Test 3-4-14 MODE TEST Test  Method  Remark MODE TEST Press “MODE TEST” from the main menu in the Touch Screen.  When the key is turned ,If you see the all testing mode value, test is done
3 Installation and Operation SAM4S SAP-630 SERIES    3-25   3-4 Hardware Self Test 3-4-15 Printer TEST Test  Method  Remark PRINTER TEST Press “MODE TEST” from the main menu in the Touch Screen. Press “PRINTER” from the main menu in the Touch Screen.   Click the Print button.   Open the Print Cover and then show the Error messages.
3 Installation and Operation 3-26    SAM4S SAP-630 SERIES 3-4 Hardware Self Test 3-4-16 DALLAS TEST Test  Method  Remark DALLAS TEST Press “DALLAS TEST” from the main menu in the Touch Screen.  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  Method  Remark SD CARD TEST Insert SD Card Press “SD CARD TEST” from the main menu in the Touch Screen.
3 Installation and Operation SAM4S SAP-630 SERIES    3-27
3 Installation and Operation 3-28    SAM4S SAP-630 SERIES 3-5 System Configuration 3-5-1 Configuration                  Figure 3-1 System Configuration
3 Installation and Operation SAM4S SAP-630 SERIES    3-29 3-6 Installation  3-6-1 Options No.  Item  Description  Remark 1  Dallas Key  5EA, 10EA, 15EA  Selectable 2  Water Proof  Default   3  MSR  1Slot   Table 3-1 Option  3-6-2 Supplies No.  Item  Description  Remark 1  Paper Roll  1EA   2  Mode Key  VD, REG, X, Z, P, C   3  User Manual  1 EA   Table 3-2 Supplies
3 Installation and Operation 3-30    SAM4S SAP-630 Series 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 Installation and Operation SAM4S SAP-630 SERIES    3-31  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.    Cut off the area (MSR assembly area) shown in the Figure 3-3-○1  by using a (-) shaped screw driver. 2.    Figure 3-3-○2  shows the difference before and after.                       Figure 3-3 MSR Installation (1)
3 Installation and Operation 3-32    SAM4S SAP-630 SERIES  3-7 Installation 3-7-3 Installation of MSR Assembly  1.  Connect Ground Wire & MSR Harness of MSR Assembly to the main set as shown in Figure 3-4-○1-○a. 2.  Tidy  up  the  connectors  of  Ground  Wire  &  MSR  Harness  by  inserting  them  into  the  MSR  Assembly (Connectors should be hidden inside the MSR Assembly), Figure 3-4-○1-○b. 3.  Insert MSR Assembly into the main set bracket holes as in Figure 3-4-○2, Figure 3-4-○3. 4.    Tighten MSR Assembly by moving it to the direction shown in Figure 3-4-○4.                               Figure 3-4 MSR Installation (2)
3 Installation and Operation SAM4S SAP-630 Series    3-33  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)
3 Installation and Operation 3-34    SAM4S SAP-630 SERIES 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  Mode  Key  Function VOID  VD  Use to void (correct) items outside of a sale. OFF  -  The Register is inoperable. REG  REG Used for normal registrations. X  X  Used to read register reports and perform other manager functions. Z  Z  Used to read register reports and reset totals to zero. P  P  Used to program the register S  C  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  Accessible Position  Remark VOID  Void, Off, Register, Manager   X  Off, Register, Manager   Z  Off, Register, Manager, Clear Totals   PGM  Void, Off, Register, Manager, Clear Totals, Program   S  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.      REG X Z P S OFF VOID
SAM4S SAP-630 SERIES 4-14 Disassembly and AssemblyCaution :· 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 applystress 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 Block4-1-1 Ass’y Case Upper1. 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) 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 Display1. 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 Display1. 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 Switch1. 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 separatethe BRKT MODE SWITCH(C-16) and the SWITCH ROTARY (C-15). (Page7-4)4. Separate the two harnesses(ⓒ,ⓘ) from the MOTHER BOARD(G-37). (Page7-11)
4 Disassembly and Assembly4-2 SAM4S SAP-630 SERIES4-2 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 Board1. 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 Key1. 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)NoteThere are three types in DALLAS KEY; ADDIMAT KEY, DALLAS KEY or ADDIMAT KEY4-2-4 Ass’y MOTHER BOARD1. Separate the six harnesses(ⓒ,ⓘ,ⓜ,ⓝ,ⓡ,ⓢ) and remove the six screws(G-38:5pcs,G-42:1pcs).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 BOARD1. Remove the one screw(G-12) and separate the harnesses(n) from the MOTHER BOARD(G-37).(Page7-11) Lift up the USB BOARD(G-11).(Page7-11).2. 2. Remove the one screw(G-40) and separate the Wifi/Bluetooth module from the MOTHER BOARD(G-37).3.
SAM4S SAP-630 SERIES 5-15 Maintenance and Adjustment5-1 Maintenance5-1-1 Cleaning the Printer HeadPaper 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 HeadCaution: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.
5 Maintenance and Adjustment5-2 SAM4S SAP-630 SERIES5-1 Maintenance5-1-2 Removing Paper JamWhen the paper jam occurs, buzzer will beepand  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
SAM4S SAP-630 SERIES  6-1 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.
6 Troubleshooting 6-2 SAM4S SAP-630 SERIES 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 Troubleshooting SAM4S SAP-630 SERIES    6-3 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.
6 Troubleshooting 6-4 SAM4S SAP-630 SERIES 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 Troubleshooting SAM4S SAP-630 SERIES    6-5 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.
6 Troubleshooting 6-6 SAM4S SAP-630 SERIES 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 Troubleshooting SAM4S SAP-630 SERIES    6-7 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.
6 Troubleshooting 6-8 SAM4S SAP-630 SERIES MEMO

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