Page 1
All manuals and user guides at all-guides.com ELECTRONIC CASH REGISTER NR-500 Series SERVICE Manual ELECTRONIC CASH REGISTER C O N T E N T S Precaution Statements Product Specifications Installation and Operation Disassembly and Assembly Maintenance and Adjustment Exploded Views and Parts List...
Page 2
All manuals and user guides at all-guides.com About this Manual This service manual describes how to perform hardware service maintenance for the SAM4S NR-500 Series Electronic Cash Register. Notes Notes may appear anywhere in the manual. They describe additional information about the item.
Page 3
This manual may not, in whole or in part, copied, photocopied, reproduced, translated or converted to any electronic or machine readable from without prior written permission Shin Heung Precision . Service Manual 6th Edition. Oct. 2017 V1.6 Printed in KOREA SAM4S NR-500 SERIES...
Page 4
All manuals and user guides at all-guides.com Overview of this ECR This service manual provides the technical information for many individual component systems, circuits and gives an analysis of the operations performed by the circuits. If you need more technical information, please contact our service branch or R&D center.
Remplacer uniquement avec une batterie du même type recommended by the manufacturer. ou d’un type équivalent recommandé par le constructeur. Dispose used batteries according to the manufacturer’s Mettre au rebut les batteries usagées conformément aux instructions. instructions du fabricant. SAM4S NR-500 SERIES...
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. SAM4S NR-500 SERIES...
Head Temperature Thermistor Sensor Out-of-paper Detection Reflection type photo interrupter Platen Position Detection (Option) Mechanical Switch Reliability Life 50km or more Dimension (mm) 70.3 (W) ×32.7 (D) ×15.3 (H) Weight Approx. 44 g Table2-2 Thermal Printer Specification SAM4S NR-500 SERIES...
Table2-4 Character Specification 2-4 Power Specification Item Description Remark Input Voltage AC 100-240V, 50-60Hz (Min : 90V, Max : 265V) Power Consumption Regularity : Approx. 10W Output Voltage DC 9V / 2.5A Power Adapter Output Table2-5 Power Specification SAM4S NR-500 SERIES...
+5V/150mA is supplied at #9-Pin of D-SUB Connector, Voltage Supply #1-Pin of RJ45 Connector. or other devices Table2-11 RS-232C Specification 2-5 A-(b) Cable Connection & ) Figure2-4 RS232C Cable Connection (9Pin to 9Pin) & ) Figure2-5 RS232C Cable Connection (9Pin to 25Pin) SAM4S NR-500 SERIES...
Page 12
This Signal indicates whether the ECR(NR-500) is busy. (H/W flow control) MARK(Logic1) : The ECR is busy Output SPACE(Logic0) : The ECR is not busy The host transmits a data to the ECR, after confirming this signal. Table2-13 RS-232C Signal Description SAM4S NR-500 SERIES...
Page 13
Caution: If the device with 5V/150mA is connected to Serial #1, the VCC of Serial #2 can not use. If the device with 100mA is connected to Serial #1, Other device with 50mA can be connected to Serial #2 Port. SAM4S NR-500 SERIES...
Page 14
ECR. If the ECR is released from busy, the ECR transmits XON(ASCII 11h) to host through the Serial Data Line. Then the host recognizes that the ECR is not busy. And the host transmits a data to the ECR. SAM4S NR-500 SERIES...
Page 15
Differential Data Line Green Differential Data Line Black Signal GND 2-5 B-(c) USB Interface Cable USB A TYPE USB A TYPE ( USB I/F CABLE ) OTHER NR-500 SIDE DEVICE SIDE USB B TYPE USB A TYPE SAM4S NR-500 SERIES...
Page 17
2-6 Drawer Kick-Out Specification 2-6 A. Drawer Signal Description Pin No Signal Name Direction Function Signal GND DRAWER Drawer Kick-Out Driver Signal DRA_COMP Drawer Open / Close Signal +24V Supply DC +24V Frame GND ( DRAWER CONNECTOR ) SAM4S NR-500 SERIES 2-11...
Page 18
All manuals and user guides at all-guides.com 2 Product Specifications MEMO 2-12 SAM4S NR-500 SERIES...
All manuals and user guides at all-guides.com 3 Installation and Operation 3-1 System Configuration Figure 3-1 System Configuration SAM4S NR-500 SERIES...
Spool Winding. (Fig 3-2(G)) 8. Insert the Spool Winding in 2~3 turns and place it on the Paper Supply. If it loosen, turn to tighten it. (Fig 3-2(H)) 9. Replace the printer cover. (Fig 3-2 (I)) Figure 3-2 Paper Installation SAM4S NR-500 SERIES...
Page 21
Factory option Table 3-1 Option 3-2 D. Supplies Item Description Remark 1 EA (1-station) Paper Roll 2 EA (2-station) Mode Key VD, REG, Z, P, C User Manual 1 EA Spool 1 EA (2-station only) Table 3-2 Supplies SAM4S NR-500 SERIES...
VOID, OFF, Register(REG), Manager(X), Clear Totals(Z), Program(PGM) VOID, OFF, Register(REG), Manager(X), Clear Totals(Z), Program(PGM), Service ALL POSITIONS Mode(S) Table3-4 Key Function Note : The Key can be removed from the key lock in the OFF or REG position. SAM4S NR-500 SERIES...
Page 23
All manuals and user guides at all-guides.com 3 Installation and Operation SAM4S NR-500 SERIES...
5. Press the CASH key. ARE YOU SURE? Y=CASH N=CLEAR 6. Press the CASH key. The message "INITIAL CLEAR OK” prints when the initial clear is complete. To resume operations, you will need to sign on a clerk. SAM4S NR-500 SERIES...
5. Press the upper left key of the keyboard, then the lower left key, then the upper right key, and finally press the lower right key. PRICE PRICE Figure3-9 <Raised Keyboard – NR-510R / NR-520R> Figure3-10 <Flat Keyboard – NR-510 / NR-520> SAM4S NR-500 SERIES...
Page 28
3. From the INTERFACE menu, Press ‘2’ to select SERIAL 2. 4. If error occurs, the message “ ** NG ** ” is displayed on LCD and the Buzzer beep. 5. Press the ‘CLEAR’ key to return to SELF TEST menu. 3-10 SAM4S NR-500 SERIES...
Page 29
3. From the INTERFACE menu, Press ‘5’ to select MICRO SD. 4. If MICRO SD card is OK, “ ** OK ** “ message will be displayed. 5. Press the ‘CLEAR’ key to return to SELF TEST menu. SAM4S NR-500 SERIES 3-11...
Page 30
3 Installation and Operation 3-3 F. Flash ROM Updated by SD The NR-500 Series Flash ROM program is contained in a binary file. This file contains both the Boot program area and the Application program area. 1. Copy binary file to the root of the SD card. : SD:/update/ 2.
Page 31
At the ECR, when the load is complete, a rapid beep-beep-beep will be heard, and the display will flash rapidly. Turn the power switch to OFF, the program update is complete. 12. Disconnect the PC cable. SAM4S NR-500 SERIES 3-13...
Page 32
All manuals and user guides at all-guides.com 3 Installation and Operation Perform a memory all clear on the ECR. The ECR is now ready to program or to load a previously saved end-user program. 3-14 SAM4S NR-500 SERIES...
2. Remove the two screws(B5) on the ASS'Y COVER MODE S/W(B1) and separate the MODE KEY ASS’Y(B4) from the PMO-COVER MODE S/W(B1). (Page6-3) 3. Remove the two screws(B2) on the MODE KEY ASS’Y(B4) and separate the IPR-BRKT MODE S/W(B3) and the MODE KEY ASS’Y(B4). (Page6-3) SAM4S NR-500 SERIES...
Page 34
1. Separate the harness( ) from the PBA-MAIN BOARD(E4). (Page6-13) 2. Remove the two screws(E15) from the IPR-BRKT TRANS(E25). (Page6-13) 3. Separate the PMO-HOLDER ADAPTER(E16) from the PMO-CASE LOWER(E30).(Page6-13) 4. Separate the harness( ) and Remove the ADAPTER(E16). (Page6-13) SAM4S NR-500 SERIES...
Use in places where the products are exposed to sea winds or corrosive gases, including CL S, SO and NO d. Use in places where the products are exposed to static electricity or electromagnetic waves e. Use of the products in places subject to dew condensation. SAM4S NR-500 SERIES...
Page 36
All manuals and user guides at all-guides.com 5 Maintenance and Adjustment MEMO SAM4S NR-500 SERIES...
All manuals and user guides at all-guides.com 6. Exploded Views and Parts List 6-1. Exploded View (NR-520R) Figure 6-1 Total Disassembly (NR-520R) SAM4S NR-500 SERIES...
Page 38
All manuals and user guides at all-guides.com 6 Exploded Views and Parts List 6-1. Exploded View (NR-520) Figure 6-2 Total Disassembly (NR-520) SAM4S NR-500 SERIES...
Page 39
MEA-COVER PRINTER:NR-520 IVORY JK95-70675C MEA-COVER PRINTER:NR-510B BLACK JK95-70675D MEA-COVER PRINTER:NR-520B BLACK JK72-20980A PMO-COVER DUMMY NR-510 IVORY JK72-20980B PMO-COVER DUMMY NR-510 BLACK JK72-20026A PMO WINDOW JOURNAL NR-520 JK72-20977A PMO-COVER PRINTER IVORY JK72-20977B PMO-COVER PRINTER BLACK JK70-20304A IPR-CUTTER PAPER SAM4S NR-500 SERIES...
Page 40
All manuals and user guides at all-guides.com 6 Exploded Views and Parts List B. ASS’Y CASE-UPPER(NR-500R) Figure 6-3 ASS’Y CASE-UPPER(NR-500R) SAM4S NR-500 SERIES...
Page 41
S600200004A SCREW-TAPPING:PH,M4,L15 WHITE S600200029A SCREW-TAPPING:PH,M4,L14 BLACK S600100010A SCREW-MACHINE:FH,M4,L10 WHITE S600100040A SCREW-MACHINE:FH,M4,L10 BLACK JK70-70073A ICT-SHAFT MOLDING JK72-20963C PMO-CASE UPPER:NR-500 IVORY JK72-20963D PMO-CASE UPPER:NR-500F IVORY PMO-CASE UPPER: JK72-20963N BLACK ER-350II,2 ,48KEY,BLK,SPRAY PMO-CASE UPPER: JK72-20963P BLACK ER-350IIF,2 ,48KEY,BLK,SPRAY S600200006A SCREW-TAPPING:PWH,M3,L8 SAM4S NR-500 SERIES...
Page 42
All manuals and user guides at all-guides.com 6 Exploded Views and Parts List 6-2 B. ASS’Y CASE-UPPER(NR-500) Figure 6-4 ASS’Y CASE-UPPER(NR-500) SAM4S NR-500 SERIES...
Page 46
All manuals and user guides at all-guides.com 6 Exploded Views and Parts List D. ASS’Y KBD(48KEY RAISED) Figure 6-6 ASS’Y-KEYBOARD (48 Key) SAM4S NR-500 SERIES 6-10...
Page 48
All manuals and user guides at all-guides.com 6 Exploded Views and Parts List 6-2 D. ASS’Y KBD(90KEY FLAT) Figure 6-7 ASS’Y-KEYBOARD (90 Key) SAM4S NR-500 SERIES 6-12...
Page 50
All manuals and user guides at all-guides.com 6 Exploded Views and Parts List 6-2 E. ASS’Y CASE-LOWER Figure 6-8 ASS’Y CASE-LOWER 6-14 SAM4S NR-500 SERIES...
Page 51
SCREW-ASSY TAPT: BH,M4,L8 S600200003A SCREW-TAPPING:PH,M4,L10 JK70-20307A IPR-BRKT CASING JK72-20964P PMO-CASE LOWER IVORY PMO-CASE LOWER:NR-500,2SERIAL, JK72-20964W BLACK NO HOLE,BLK,SPRAY HARNESS-POWER S/W:NR-500, JK39-40688D 2P,270mm,SOLTEAM,OR-L-11D,DOT MARK,DC JK39-30002A POWER-CORD:NR-500,EUROPE,220V,IVORY EUROPE JK39-30002B POWER-CORD:NR-500,USA,110V,IVORY IVORY JK39-30002C POWER-CORD:NR-500,AUSTRALIA,240V,IVORY AUSTRALIA JK39-30002D POWER-CORD:NR-500,UK,240V,IVORY JK39-30001A POWER-CORD:NR-500,EUROPE,220V,BLACK EUROPE BLACK 6-15 SAM4S NR-500 SERIES...
Page 52
All manuals and user guides at all-guides.com 6 Exploded Views and Parts List JK39-30001B POWER-CORD:NR-500,USA,110V,BLACK JK39-30001C POWER-CORD:NR-500,AUSTRALIA,240V,BLACK AUSTRALIA JK39-30001D POWER-CORD:NR-500,UK,240V,BLACK JK39-40603A HARNESS DRA/COM;4PIN,180mm JK92-10139A PBA MICRO-SD:NR-300F,W/O STARCAP JK39-40756B HARNESS-SD:ER-230,10P,220mm,AT TAPE 6-16 SAM4S NR-500 SERIES...
Page 53
All manuals and user guides at all-guides.com 6 Exploded Views and Parts List F. ASS’Y-DRAWER(G-DRAWER:4B8C,5B6C) A.ASS’Y BILL- COIN (4B8C) B.ASS’Y HOU- SING A.ASS’Y BILL- COIN (5B6C) C.ASS’Y LOCK E.ASS’Y TRAY D.ASS’Y BOT- Figure 6-9 ASS’Y-DRAWER (G-DRAWER:4B8C,5B6C) SAM4S NR-500 SERIES 6-17...
Page 54
6 Exploded Views and Parts List F. ASS’Y-DRAWER(G-DRAWER:4B8C,5B6C) Figure 6-10 Lubrication Points of the G-Drawer(4B8C,5B6C) Code No. Description / Specification Q`ty Serviceable Remark 0201-002010 GREASE-N2 Minimum Serviceable Packing Weight : 40g 0201-002009 GREASE-N1 Minimum Serviceable Packing Weight : 40g 6-18 SAM4S NR-500 SERIES...
2. Check the VBT(Battery Voltage). 3. Check the TR(Q27,Q28;2222) on Main PBA 4. Replace the SRAM. 1. Check the VBT(Battery Voltage). RTC Ok? 2. Check the RTC Clock 32.768KHz (X3) 3. Replace the X-TAL 4. Replace the RTC Chip (U31) SAM4S NR-500 SERIES...
2. Check the VBT(Battery Voltage). 3. Check the TR(Q27,Q28;2222) on Main PBA 4. Replace the SRAM. 1. Check the VBT(Battery Voltage). RTC Ok? 2. Check the RTC Clock 32.768KHz (X3) 3. Replace the X-TAL 4. Replace the RTC Chip (U31) SAM4S NR-500 SERIES...
Page 69
2. Check the SCLK Signal (CPU P9.1) LCD Display 3. Check the SDAT Signal (CPU P4.7) 4. Check the Harness. 1. Check the LCD. LCD PBA 2. Check and Replace the LCD MODULE PBA. Assy Ok? 3. Check the LCD Harness. SAM4S NR-500 SERIES...
Page 70
2. Check the VPH voltage. Source voltage is VPRT 3. Check the VPH ON/OFF circuit and pattern. 4. Check the FDS4141(U8), MMBT2222(Q24) on Main PBA 5. Check the JOINT B’D and FFC harness. 6. Check and Replace the printer. SAM4S NR-500 SERIES...
4. Check the Key Return part 74LVC541(U28) 5. Check the related Circuit and Pattern 1. Check the affected Key Specific Key 2. Check the Matrix Bus & Data Bus Failure? 3. Check the Diodes(BAT43WS) 4. Check the Key Board Assy SAM4S NR-500 SERIES...
Page 72
3. Check the related circuit & Component TR TIP102(Q3) Failure ? 4. Check the Harness and Solenoid in the Drawer. 5. Check the Drawer Signal (CPU P8.7) 1. Check the Compulsory Harness & Connector. Compulsory 2. Check the Micro switch in the Drawer. Failure? SAM4S NR-500 SERIES...
3. Check whether Signal is affected by the Cable Noise. 1. Check the connection of the H/W handshaking Line and Other side H/W Handshake 2. Check the I/F Cable whether it is open or short. 3. Confirm the H/W handshaking Protocol. SAM4S NR-500 SERIES...
Page 74
All manuals and user guides at all-guides.com 8 Troubleshooting MEMO SAM4S NR-500 SERIES...
Page 82
All manuals and user guides at all-guides.com 11-2 CPU PART VREFL0 VREFL VREFH VREFH0 VSS_USB AVCC0 AVSS0 VBATT VCC_USB PC7/ET_COL GPRS_DTR EMLE EMLE P34/TRST# TRSTN P31/TMS TDI/RXD1 P27/TCK/SCK1 P26/TDO/TXD1 11-2 SAM4S NR-500 SERIES...
Page 83
All manuals and user guides at all-guides.com 11-3 MEMORY, SD, MICRO SD PART CON-BOX;10P,1.25MM,ST,12505WS BS62LV4006SC70 SDCARD MICRO BS62LV4006SC70 SAM4S NR-500 SERIES 11-3...
Page 84
All manuals and user guides at all-guides.com 11-4 KEY SCAN, BUZZER, BATTERY PART R172 4.7K R171 4.7K R170 4.7K R169 4.7K R168 4.7K R167 4.7K R166 4.7K R165 4.7K 74LVC541 74LVC138 74LVC138 11-4 SAM4S NR-500 SERIES...
Page 85
All manuals and user guides at all-guides.com 11-5 DRAWER, USB PART SAM4S NR-500 SERIES 11-5...
All manuals and user guides at all-guides.com 11-6 LCD DISPLAY PART CON-BOX;10P,1.25MM,ST,12505WS CON-BOX;8P,1.25MM,ST,12505WS 11-6 SAM4S NR-500 SERIES...
Use this page to record any special servicing information such as Service Bulletins or Supplements. When possible, record changes to Code numbers directly on the actual Parts List. Always records Service Bulletin numbers and Application Dates on this log to ensure that your data is as current as possible. SAM4S NR-500 SERIES...
Page 101
All manuals and user guides at all-guides.com...
Page 102
All manuals and user guides at all-guides.com Shin Heung Precision. Oct. 2017 Printed in KOREA V1.6...