Sam4s ER-250RF, Service Manual

Page 1: ...Precaution Statements 2 Product Specifications 3 Installation and Operation 4 Disassembly and Assembly 5 Alignment and Adjustment 6 Troubleshooting 7 Exploded Views and Parts List 8 Block Diagram 9 PC...

Page 2: ...Electronic Cash Register 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 co...

Page 3: ...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 ER 350M...

Page 4: ...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 w...

Page 5: ...dges and especially the AC and high voltage supplies Always inspect for pinched out of place or frayed wiring Do not change the spacing between comp onents and the printed circuit board Check the AC p...

Page 6: ...strument 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 Electrostatic Sensitive Devices ESDs 1 S...

Page 7: ...See printer Specification page 2 2 Processor INTEL 80C32 8032 80C52 8052 78C32B Memory SRAM KM62256 EPROM 27C512 Data Storage 60 Days When battery fully charged Battery Ni cad 60mA Charging time 24 h...

Page 8: ...racter Size Column Interval Line Interval Horizontal 0 354 mm 9 9 22 1 7 mm 3 1 mm 2 12 mm 5 00 mm Vertical 0 360 mm 7 9 26 1 4 mm 3 1mm 1 77mm 5 00mm H V Paper Feed Electric solenoid Operation Paper...

Page 9: ...Appearance 2 2 1 Appearance Dimensions mm Figure2 1 Dimensions 2 2 2 Feature Locations Figure2 2 Feature Locations Printer Cover Impact Dot Printer Keyboard Drawer Drawer Lock Key Mode Switch RS 232...

Page 10: ...r Terminal Pin Descriptions Pin No Specification 1 GROUND 2 VCC 5 V 3 GROUND 4 SOLENOID CONTROL SIGNAL 5 SOLENOID 24 V 6 MOTOR 24 V 7 MOTOR CONTROL SIGNAL 8 ENCODER SIGNAL 9 RESET SIGNAL LEFT 10 RESET...

Page 11: ...SAM4S ER 350 SERIES 3 1 3 Installation and Operation 3 1 System Configuration 3 1 1 Interface Installation Figure 3 1 Interface Configuration Figure 3 2 Cable for Serial Port...

Page 12: ...and Key Board D Page7 1 6 Insert the Interface Board on the Lower Case and insert connector 5P CN17 on Main PCB 7 Replace the connections at the red and white connectors on Main PCB 8 Reposition Upper...

Page 13: ...d Diagram for other parts of the ECR Figure 3 5 Drawer Installation 1 Before inserting the ribbon cassette turn the knob see Figure 3 6 counterclockwise to prevent twisting the ribbon 2 Insert the rib...

Page 14: ...gh the Paper Sensor 3 Press the Feed key until the paper comes out from the Printer If you get an E8 error message on the display check the paper sensor and press the C key 4 Insert the paper in the n...

Page 15: ...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...

Page 16: ...m the system The CPU is especially sensitive to power surges WARNING Do an Initial Clear once only Doing an Initial Clear more than once erases all programming and Totals 3 3 3 Service Mode Diagnostic...

Page 17: ...from P mode VD mode 2 Position to show on the display each Mode s code 3 Press the C key to exit the routine 3 3 3 e Fiscal Memory Write Test Procedure 1 Fiscal Memory test requires that Mode Key be...

Page 18: ...3 Installation and Operation 3 8 SAM4S ER 350 SERIES MEMO...

Page 19: ...ng 1 Lift off Printer Cover A Page7 1 2 Remove two screws B5 and B1 on Upper Case and lift it up Page7 1 3 Remove connectors from the red the white connectors on Main PCB Page7 1 4 Remove Upper Case 4...

Page 20: ...Remove the 3 screws under the Printer PCB for separating the PCB from the Frame Assembly Figure4 3 Gear PF Idle RE 2 5 PWS 2 6 RE 2 5 RE 4 0 Gear Ratchet Gear HF 2 PP Figure 4 4 Disassembling Clutch...

Page 21: ...Assembly from the Frame Assembly Figure4 5 12 Remove the screws to separate the Bevel Assembly and disassemble the Gear RF Bevel 1 through the hole in the Frame Assembly Figure4 5 Head Pin Guide Gear...

Page 22: ...Ring R2 5 and remove the Shaft Carriage through the hole C in the Frame Assembly Figure4 7 17 Remove the Poly Bearing 2 in hole A in the shaft head Guide Figure4 7 18 Move the Shaft Head Guide throug...

Page 23: ...Figure4 10 Platen Platen Paper Guide B Rubber Roller C E Parallel Pin Paper Feeder Gear PF Poly Bearing 2 Side Frame L ass y Frame Flxing Plate Side Frame R ass y D A A SP D Figure 4 10 Separating Pa...

Page 24: ...e Printer do the reverse sequence of the Disassembling procedure 4 2 2 Upper Case Reassembling 1 Position Upper Case so that connectors are within reach of Main PCB Replace the red and the white conne...

Page 25: ...d Lever screw 2 Rotate the Gear 1st Reduction to move Head to the left end of Platen Guide 3 Insert Gap Gauge thickness 0 5 mm Between Head and Platen Adjust the gap while rotating the Shaft Head Guid...

Page 26: ...5 Alignments and Adjustments 5 2 SAM4S ER 350 SERIES MEMO...

Page 27: ...uit related to Printer Head IC3 NE555 IC6 IC7 74HCT574 IC9 IC10 74LSI4 and TRA1 2 3 STA471 5 Check Printer Connector Harness PRT12P 6 2 2 Printer motor Solenoid Failure 1 Check motor in Printer 2 Chec...

Page 28: ...al Memory Failure 1 Check the enabling signals for IC17 8255 from CPU 2 Check A0 A1 RD WR and RESET 3 Check state of voltages VPP VCC 4 Check Connector Harness of Fiscal Board 6 9 System Failure 1 Che...

Page 29: ...s List SAM4S ER 350 SERIES 7 1 7 Exploded Views and Parts List 7 1 Assembly Exploded View B ASS Y CASE UPPER C ASS Y PRINTER D ASS Y KBD E ASS Y CASE LOWER F ASS Y DRAWER A ASS Y COVER PRINTER Figure7...

Page 30: ...A 2 Figure7 2 Cover Printer Assembly No Parts No Description Specification Q ty Design Location Serviceable Remark JK97 01060B MEA WINDOW JOURNAL 1 Y JK70 00056A IPR CUTTER PAPER SUS 304 T0 3 1 N A 1...

Page 31: ...G PH 2 M3 L17 5 ZPC YEL 4 PRT ASS Y HODLER PRINTER Y C 4 JK73 40201A RMO PRINTER 4 PRT ASS Y HODLER PRINTER Y C 5 JK59 10507A UNIT PRINTER 1 Y C 6 JK60 00001A SCREW ASSY TAPTITE PWH 2 M3 L8 1 PRT ASS...

Page 32: ...C MODE S W Y B 5 6002 000172 SCREW TAPPING PH 2 M4 L15 1 PMO C UPPER PMO C LOWER Y B 6 JK96 00187A ELA ETC MODE S W 1 Y B 7 JK72 40901A PMO WINDOW DISPLAY PC 1 Y B 8 JK72 40209B PMO WINDOW TURRET PC 1...

Page 33: ...8 6002 000174 SCREW TAPPING PWH 2 M3 L10 ZPC YEL 1 GND PLATE C LOWER Y E 9 6006 000199 SCREW ASS Y TAPT WT BH M4 L8 ZPC YEL 1 GND PLATE POWER CORD GND WIRE Y E 10 6002 000175 SCREW TAPPING PWH 2 M3 L...

Page 34: ...T SPRING RETURN 1X1 41 Y D 5 JK81 10946A KEY CAP L 1X2 3 Y D 6 JK81 20014A KEY TOP ASS Y L 1X2 3 Y D 7 JK81 20001A SPRING RETURN 1X2 6 Y JK81 10933A KEY TOP 1 1 Y JK81 10934A KEY TOP 2 1 Y JK81 10935A...

Page 35: ...5 d8 c2 c1 c3 Figure7 7 Drawer 4B 8C b2 b1 b11 b12 b5 b3 b4 b7 b8 b6 b9 c ASS Y HOUSING e ASS Y BOTTOM d ASS Y LOCK b ASS Y TRAY TILL b10 e1 e5 e2 e3 e4 e7 e6 e8 d1 d2 d3 d4 d11 d6 d7 d9 d10 d5 d8 c2...

Page 36: ...LL COIN A TYPE 7B8C 1 Y a 1 6002 000175 SCREW TAPPING PWH 2 M3 L8 ZPC YEL 3 Y a 2 JK70 00068A IPR HOLDER PLATE A TYPE SBHG 1 T1 2 1 Y a 3 JK72 00083A PMO BILL PARTITION A TYPE HIPS BLK 5 Y a 4 JK72 00...

Page 37: ...CH LONG LEVER 1 Y d 4 JK75 00027B MEC LOCK LEVER A TYPE 2 LATCH SHORT LEVER 1 Y d 5 6107 001014 SPRING ES 0 4 D4 8 L18 1 Y d 6 JK33 10500A SOLENOID DC A DRAWER 1 Y d 7 6001 000131 SCREW MACHINE BH 2 M...

Page 38: ...7 Exploded Views and Parts List 7 10 SAM4S ER 350 SERIES MEMO...

Page 39: ...er Driver Fiscal Control Mode Key Key Board RAM Data Fiscal EPROM Cash Drawer Clock 32 768kHz Battery Back Up RESET Printer Driver Display Driver int1 Display Driver Power Fail INTO Clock 12MHz CPU 80...

Page 40: ...8 Block Diagram 8 2 SAM4S ER 350 SERIES MEMO...

Page 41: ...2 000103 IC VOLTAGE COMP 393 DIP 8P 300MIL DUAL 1 IC2 1203 000391 IC DC DC CONVERTER 34063 DIP 8P 250MIL P 1 IC1 1203 000442 IC POSI FIXED REG 7812 TO 220 3P PLAS 1 IC18 FISCAL 1206 000139 IC TIMER NE...

Page 42: ...1 R21 0403 000343 DIODE ZENER UZ3 9B 3 9V 3 7 4 1V 500mW D 1 ZD3 0403 000537 DIODE ZENER 1N4749A 24V 5 1W DO 41 TP 1 ZD1 0501 000399 TR SMALL SIGNAL KSC945 G NPN 250mW TO 92 8 Q10 Q4 Q3 Q6 Q5 Q7 Q2 Q9...

Page 43: ...3711 001133 CONNECTOR HEADER BOX 8P 1R 2 5mm STRAIGH 1 CN1 3711 002002 CONNECTOR HEADER 22P 2R 2mm STRAIGHT S 1 CN2 3711 003969 CONNECTOR HEADER BOX 2P 1R 2 5mm STRAIGH 1 CN3 JK07 00005A DISPLAY VFD...

Page 44: ...ion Specifications Q ty Design Location Serviceable Remark JK92 00105A PBA MAIN I F BOARD ER 350P SAMSUNG CE 1 3701 000240 CONNECTOR DSUB 9P 2R FEMALE STRAIGHT AUF 1 CN2 18PCS 1006 000137 IC DRIVER RE...

Page 45: ...d Keyboard Block 10 3 3 Fiscal Block 10 4 4 Power Block 10 5 2 Main PCB Schematics Program EPROM 1M 1 CPU and Memory Block 10 6 2 Printer and Keyboard Block 10 7 3 Fiscal Block 10 8 4 Power Block 10 9...

Page 46: ...2 CN9 1N4003 D4 6 2V 1N4735A ZD4 1 6 7 3 2 5 4 10 9 12 11 8 PRT_12P D 0 7 2 4 5 7 8 1 3 6 9 NO POP 100pF CA2 ON CLERK DISCONNECTION 100 R33 FROM IC3 3 PRT DISCON OFF 1 3 2 CN11 ALL CLEAR VCC A 0 15 1...

Page 47: ...ER 100nF C16 100nF C22 100nF C27 A 1 220 R53 VBT 1K R28 2 2K R25 1K R21 UZ3 9B INSERT 0403 000343 100nF C41 A 14 A 2 A 5 A 8 A 11 D10 1N4148 1K R13 4 7K R15 1 3 2 KSC945 G Q5 1 8 4 3 2 LM393D IC2 1 6...

Page 48: ...0 C46 100nF FROM CPU 4 P1 3 JUMP WIRE A TO A 1 2 3 or KSA614 Y KSA473 Y Q11 C43 100nF NO POP D 0 7 A 0 1 F PWR_EN PC 0 7 PB6 PB7 PB3 PB4 PA5 PA4 PA7 FROM CPU 5 P1 4 555_RESET D24 1N4148 PB 0 7 PA 0 7...

Page 49: ...R 350 140 UH POWER PART 2003 12 02 100uF 16V CE4 1 0 NO POP C2 4 7nF C1 C Ceramic 250V C5 100nF FILM 470uF 50V CE6 1 4 2 3 BD1 GBL01 100nF C6 CE2 100uF 50V 4 7K R2 D1 1N4148 2 3 1 Q1 KSD73 150pF C7 PO...

Page 50: ...53 VBT 1K R 28 2 2K R 25 ZD 6 U Z3 9B 100nF C 41 VC C 3 4 6 7 9 2 5 8 1 R A2 4 7K A 14 A 8 A 11 A 2 A 5 D 10 1N 4148 1K R 13 4 7K R 15 1 3 2 KSC 945 G Q 5 1 8 4 3 2 LM 393D I C 2 1 6 8K R 12 28V C PU...

Page 51: ...V 1N 4735A ZD 4 1 6 7 3 2 5 4 10 9 12 11 8 PR T_12P D 0 7 O N PR T_D I SC O N D I SC O N N EC TI O N 100 R 33 PR T_D I SC O N FR O M I C 3 3 PR T D I SC O N O FF 1 3 2 C N 11 ALL C LEAR VC C A 0 15 1...

Page 52: ...L1 ER 350 140 U H PO W ER PAR T 2003 12 02 100uF 16V C E4 1 0 N O PO P C 2 C C er am i c 250V 4 7nF C 1 C 5 100nF FI LM 470uF 50V C E6 1 4 2 3 BD 1 G BL01 100nF C 6 C E2 100uF 50V 4 7K R 2 D 1 1N 414...

Page 53: ...51 6 8K R 60 2 2K FI SC AL PAR T 2003 12 02 D 25 EK 04 1 0 TO I C 3 4 C 46 100nF C 30 100nF D 13 EK 04 D 24 1N 4148 1 2 3 Q 11 KSA473 Y or KSA614 Y 1K R 49 D 0 7 A 0 1 PC 0 7 F PW R _EN 1 C N 15 A C...

Page 54: ...27 1 0 1 3 2 Q2 KSC945 G Note CN1 4 ER 550 Use for Handshaking ER 350 Not Connection in Main Board 2 CN1 B 4 CN1 D 1 CN3 A CON DSUB 9P FEMALE ST 3 CN1 C 5 CN1 E 1 CN1 A FROM MAIN BOARD 4 7uF 50V CE5 1...

Page 55: ...VDISP C1 3300uF 10V ER 380 Vf 3 79V If mA P2_B P8_DP P5_C VDIS Vbc 28 4V Ibc 24mA OLD PCB INFOR JK41 10005A V2 2 2001 03 21 ARRAY 4 VFD_STORBE VFD_LATCH VFD_SCLK VFD_SDIN ER 350 DISPLAY 10G Note The c...

Page 56: ...1 G2 G3 VF1 4 CN1 D 7 CN1 G 10 CN1 J 3 CN2 C 6 CN2 F 9 CN2 I P8 com f P1 ER5200REARVFD SCH 1 P5 VCC VCC 2002 10 28 V1 0 2 CN1 B 3 CN1 C 5 CN1 E 6 CN1 F 8 CN1 H 9 CN1 I 11 CN1 K 2 CN2 B 5 CN2 E 4 CN2 D...

Page 57: ...D 1 D I O D E SK14 VC C A16 A13 A7 A4 A1 A10 VC C JP2 0 2002 12 28 D 1 D 4 D 7 V1 1 KSH C KW VC C JP1 0 4 7K R 5 R 10 R 9 0 R 3 A 0 16 D 0 7 C E 4 7K R 1 VC C 100nF AXI AL C 1 512K 1M 2M FI SC AL PC B...

Page 58: ...SAM4S ER 380M F SERIES 10 14 MEMO...

Page 59: ...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 record Service Bulletin...

Page 60: ...Shin Heung Precision JAN 2004 Printed in KOREA V1 0 Code No JK68 60926A...