ELECTRONIC CASH REGISTER ER-650 / 650R SERVICE Manual ELECTRONIC CASH REGISTER CONTENTS 1. Precaution Statements 2. Product Specifications 3. Installation and Operation 4. Assembly and Disassembly 5. Maintenance Adjustment 6. Exploded View and Part List 7. PBA Layout and Part List 8. Trouble Shooting 9. Block diagram 10. Wiring Diagram 11.
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. Schematics and specifications provide the needed information for the accurate troubleshooting. All information in this manual is subject to change without prior notice.
About this Manual This service manual describes how to perform hardware service maintenance for the SAM4S ER-650/R Series 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 component. . Indicates the part or component is an electro-statically sensitive device. Use caution when handling these parts.
Copyright ⓒ 2007 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 ER-650/R SERIES Service Manual First edition. July 2007. V2.
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.
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.
2 Product Specifications Specifications are correct at the time of printing. Product specifications are subject to change without notice. See below for product specifications. 2-1 General Specifications Item Processor Description • MITSUBISHI M16C/62 Group M30622SFP (16 Bit) Remark External ROM Version • RAM SRAM (K6T1008C2E) : 1Mbits × 2EA SRAM (K6T4008C1C) : 4Mbits × 2EA(Option) Memory • EP-ROM ER-ROM(27C040) : 4Mbits Battery Data Storage • Type : Ni-MH, 3.
2 Product Specifications 2-2 Appearance 2-2 A. Appearance Dimensions (mm) 282.
2 Product Specifications 2-2 B.
2 Product Specifications 2-3 Thermal Printer Specifications 2-3 A. Printer Specification Item Description Model • STM-210 Print Method • Thermal Line Printing Total number of dots Printing Format Dot Pitch • 384 Dots / I Line • Vertical : 0.125 mm • Horizontal : 0.125 mm Printing Speed • 50 mm/s ( At 8.
2 Product Specifications 2-3 Thermal Printer Specifications 2-3 B. Paper Specification Item Description Paper Type • Single-ply Thermal Paper Roll Paper Size • 57.5 mm±0.5 mm (Width) ×80 mm or less Specified Paper • Original Paper No. Remark Table2-3 Paper Specification Note: The following paper can be used instead of the specified paper above. TF50KS-E PD 160R F380 : Nippon paper industries Co.,Ltd. : New Oji paper Mfg, Co.,Ltd. : Kansaki specialty papers, Inc. (USA) 2-3 C.
2 Product Specifications 2-3 Thermal Printer Specifications 2-3 E. Other Component Specification Item Description Type • 4-Phase 20 Step PM Stepping Motor Power Supply Voltage • 8V ~ 8.5V DC Coil Resistance • 20 Ω±1.4Ω (25℃/Phase) Paper Feed Motor Current Consumption • Peak : 2A or less • Mean : Approx. 350 mA • Constant-Voltage Driving Drive Method using 2-2 Phase Excitation Number of Heat Element • 384 Dots Heat Element Density • 8 Dots/mm (0.
2 Product Specifications 2-3 Thermal Printer Specifications 2-3 F-(b) Paper Feed Motor Pin Assignments Pin No. 1 Phase B 2 Phase B- 3 Phase A 4 Phase A_ Signal Description Remark Signal Description Remark 2-3 F-(c) Paper-End Sensor Pin Assignments Pin No. 1 GND 2 Paper End Signal 3 VCC 2-3 F-(d) Thermal Head Connector Pin Assignments Pin No.
2 Product Specifications 2-4 Power Specifications 2-4 A. Power Specification Item Description Input Voltage & • U.S.A : AC 120V, 150mA, 60Hz (Min : 90V, Max : 132V) Current • Europe : AC 230V, 80mA, 50Hz (Min : 198V, Max : 264V) Power Consumption Output Voltage Remark • Stand-By : 10W • Operating : 15W • AC 19V 2.3A (Wire Color : Blue-Blue) Power Transformer • AC 24V 0.
2 Product Specifications 2-5 Interface Specifications 2-5 A.
2 Product Specifications 2-5 Interface Specifications 2-5 A. RS-232C Serial Interface 2-5 A-(d) Signal Description Pin No. BODY Signal Name Signal Direction Function Frame GND - Frame Ground 2 RXD Input Receive Data 3 TXD Output Transmit Data This Signal indicates whether the ECR(ER-5200) is busy. (H/W flow control) ① MARK(Logic1) : The ECR is busy 4 DTR Output ② SPACE(Logic0) : The ECR is not busy ③ The host transmits a data to the ECR, after confirming this signal.
2 Product Specifications 2-5 Interface Specifications 2-5 B.IRC Serial Interface 2-5 B-(a) Specification (Same as RS-485 2-Wire Communication Method) Item Description Data Transmission • Serial Synchronization • Asynchronous Signal Level • Logic”1” : (VA-VB) ≥ 0.2V (Receive) • Logic”0” : (VA-VB) ≤ -0.
2 Product Specifications 2-5 Interface Specifications 2-5 B-(d) Signal Description (Port#1) Pin No. Signal Name Signal Direction Function 1(7) TX/RX_B In/Out Transmit/Receive Data Line B 2(8) TX/RX_B In/Out Pin 1 and Pin 2 are shorted each other on I/F PBA. 3(9) F.GND - 4(10) F.GND - 5(11) TX/RX_A In/Out Transmit/Receive Data Line A 6(12) TX/RX_A In/Out Pin 4 and Pin 5 are shorted each other on I/F PBA.
3 Installation and Operation 3-1 System Configuration 3-1 A.
3 Installation and Operation 3-2 Installation 3-2 A. Paper Roll Installation Figure3-2 Paper Installation 1. Open the cover printer. 2. Push the Blue cap Lever towards the rear of the printer and lift up to open the paper cover. 3. Ensure that the paper is being fed from the bottom of the roll,(as illustrated above) place the roll into the concave bottom of the printer. And put the leading edge of the paper over the printer.. 4. Close the printer cover slowly until it locks firmly.
3 Installation and Operation 3-2 C. IRC Serial Cable Installation 1. Connect the IRC serial cable to the IRC port on the right side of ECR. 2. Connect the other end of the IRC serial Cable to other ECR. 3-2 D. Options No. Item Description 1 RS-232 / IRC I/F Board I/F PBA 2 Clerk Key 5EA, 10EA, 15EA Remark Selectable Table 3-1 Option 3-2 E. Supplies No.
3 Installation and Operation 3-2 Operation Note: Before using this Electronic Cash Register(ECR) for the first time, leave it powered ON in the REG mode for a at least 24 hours. This allows the Ni-Cad battery, which maintains the ECR’s memory while the power is OFF, to fully charge. 3-3 A. Mode Switch The position of the Mode Switch determines the action of the ECR.
3 Installation and Operation 3-3 B. Key Board Matrix (Dealer Option) Figure3-5 Key Board 3-3 C. All Clear This step insures that the cash register is cleared of any totals or programming. After this procedure, the cash register is ready for programming and operation. WARNING: This is a one time procedure. Do not repeat this procedure after the cash register is programmed, it causes all programs and totals to be erased and to be default. 1. Turn off the power switch. 2.
3 Installation and Operation 3-3 D. Self Test 1. Turn the Mode key marked ‘C’ to Service Mode position. 2. Select “0. SELF TEST” from the menu and Press 0 on the key board. 3. H/W test menu will be displayed. 4. Select the number from the menu. H/W TEST 0. TEST PRINTER 1. TEST DISPLAY 2. TEST KEY BOARD 3. TEST MODE KEY 4. TEST RS-232 5. TEST RTC 6. TEST PRINTING PATTERN Figure3-7 Self Test 3-3 D-(a) Test Printer 1. Press 0 key on key board. 2. Then the printer prints a test pattern.
3 Installation and Operation 3-3 D-(c) Test Key Board 1. Press 2 key on key board. 2. Press any key you want on the key board. 3. Already pressed key will be showed on the LCD screen that the position of key pressed with a black square and key code. 4. Turn the mode key to any position to finish this test. TEST KEY BOARD 54 Figure3-10 Key Board Self Test 3-3 D-(d) Test Mode Key 1. Press 3 key on key board. 2. Turn the mode key to any position. 3.
3 Installation and Operation Memo 3-8 SAM4S ER-650 SERIES
4 Assembly and Disassembly 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 Disassembly the Case Upper Block 4-1 A. Case Upper Block 1. Open the Printer Cover Ass’y (A).
4 Assembly and Disassembly 4-2 Disassembly the Case Lower Block 4-2 A. Printer 1. Remove the two screws (E-5,E-13). And separate the GND wire (a, b). (Page 6-12) 2. Remove the screw(C-42) and separate the Cover Front(C-41). (Page 6-5) 3. Separate the harness(C-40). (Page 6-5) 4. Remove the four screws(C-43). (Page 6-5) 5. Separate the Printer Ass’y(C) from the Case Lower Ass’y (E). (Page 6-1) Note: To Install, Reverse the removal procedure. 4-2 B. RS-232 / IRC I/F PBA 1.
5 Maintenance and Adjustment 5-1 Maintenance 5-1 A. Cleaning the Printer Head 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 ECR power switch off. 2. Open the printer cover. 3. Open the cover of paper supplier with pushing the blue-cap lever. 4. Clean the Printer Head Thermal Element with a cotton swab moistened with alcohol solvent.
5 Maintenance and Adjustment 5-2 Adjustment 5-2 A. LCD Display Angle You can adjust the view angle of the Operator LCD Display Figure5-2 Adjustment of the View Angle 5-2 B. LCD Display Contrast You can adjust the contrast of the Operator LCD Display by using the VR on the left side.
6 Exploded View and Part List Figure6-1 Total Disassembly (ER-650/ER-650R) SAM4S ER-650 SERIES 6-1
6 Exploded View and Part List Figure6-2 ASS’Y COVER-PRINTER A. ASS’Y COVER-PRINTER No. Parts No.
6 Exploded View and Part List Figure6-3 ASS’Y CASE-UPPER SAM4S ER-650 SERIES 6-3
6 Exploded View and Part List B. ASS’Y CASE-UPPER No. B-1 Parts No. JK72-00061A Description / Specification PMO-WINDOW VIEW: PMMA,TRP,T1.2 Q`ty 1 B-2 JK72-00045A PMO-WINDOW LCD: PC,BL06,HB 1 B-3 6006-000003 SCREW-ASS'Y TAPT:WT,BH,+,M2.6,L5.5 4 B-4 JK96-01080A ELA ETC-DISPLAY(650):ER-650,BASIC 1 Design-Location Serviceable Y LCD+BRKT Y Y Y B-5 6002-000174 SCREW-TAPPING:PWH,+,2,M3,L10,ZPC 2 B-6 JK70-10408A IPR-BRKT WINDOW_LCD: SECC,T1.
6 Exploded View and Part List Figure6-4 ASS’Y PRINTER(STM-210) SAM4S ER-650 SERIES 6-5
6 Exploded View and Part List Figure6-5 Lubrication Points of the Printer (STM-210) 6-6 SAM4S ER-650 SERIES
6 Exploded View and Part List C. ASS’Y PRINTER No. C Parts No.
6 Exploded View and Part List C-39 6002-000175 SCREW-TAPPING: PWH,+,2,M3,L8,ZPC 1 C-40 JK39-00012A CBF-HARNESS-KEY OPTION: 200mm 1 C-41 JK72-20009A PMO-COVER FRONT: HIPS(HB): NONE A/C 1 C-42 6002-000147 SCREW TAPPING: PH,+,2,M3,L10,ZPC 1 C-43 6003-000198 SCREW TAPPING: PWH,+,2,M3,L12,ZPC 4 C-44 JK70-20010A IPR-FIXED BLADE: SKH-51,T1.
6 Exploded View and Part List 1.Unscrew the bolt of COVER FRONT and disassemble it from the PRINTER. 2. Open the COVER TOP. 3. Disassemble the TPH assembly by pulling the lower part of TPH assembly and lift it up. 4. Assemble the TPH assembly in reverse order and close the COVER TOP.
6 Exploded View and Part List Figure6-7 ASS’Y KEYBOARD (FLAT) 6-10 Figure6-8 ASS’Y KEYBOARD (RAISED) SAM4S ER-650 SERIES
6 Exploded View and Part List D. ASS’Y KEYBOARD - FLAT(98 KEY) No. D Parts No. JK59-00006A Description / Specification UNIT-KEYBOARD: 98KEY Q`ty 1 Design-Location Serviceable Y D-1 JK73-00006A RMO-WATER PROOF: SILICON,100*200 1 Y D-2 JK68-00054A LABEL-MARK KBD SHEET: PC 1 N D-3 JK72-00051A PMO-KEYBOARD HOUSING: HIPS(V0) 1 Y D-4 JK73-00007A RMO-KEY RUBBER: SILICON,260*117 1 Y D-5 JK96-01115A ELA ETC-FPC ASSY: STD 1 Y D-6 JK70-00053A IPR-KBD FRAME: SECC,T1.
6 Exploded View and Part List Figure9-6 ASS’Y CASE-LOWER 6-12 SAM4S ER-650 SERIES
6 Exploded View and Part List E. ASS’Y CASE-LOWER No. E-1 Parts No.
6 Exploded View and Part List a5 a3 a9 a4 a2 a1 a10 c3 a6 a. ASS'Y BILL-COIN (4B8C) c1 a7 c. ASS'Y HOUSING a8 c2 d6 d7 d11 d8 d10 d3 b7 b5 b8 b4 d5 d1 b9 d4 b10 b. ASS'Y TRAY-TILL d. ASS'Y LOCK d9 d2 b6 e3 b2 e4 e6 b3 e2 b1 e7 e. ASS'Y BOTTOM e5 e1 e8 b12 b11 Figure6-10 ASS’Y DRAWER (4B/8C) a3 a4 a2 a5 c3 a1 a6 c1 a. ASS'Y BILL-COIN (5B5C) c. ASS'Y HOUSING a7 a8 c2 d6 d7 d11 d8 d10 d3 b7 b5 b8 b4 d. ASS'Y LOCK d9 d2 d5 d1 b9 d4 b10 b6 e3 b.
6 Exploded View and Part List F. ASS’Y DRAWER (a) ASS’Y BILL-COIN (4B/8C, 5B/5C) No. a Code No. JK97-20014A Description / Specification MEA-UNIT BILL COIN: A-TYPE, 4B8C Q`ty Design-Location Serviceable 1 Y JK97-00407A MEA-UNIT BILL COIN: A-TYPE, 5B5C 1 Y a-1 JK72-40267A PMO-LEVER PRESS: A-TYPE,POM 4 Y a-2 6107-000134 SPRING ES: SUS304 4 Y a-3 JK70-10314A IPR-HOLDER LEVER: A-TYPE,T1.
6 Exploded View and Part List (c) ASS’Y HOUSING No. Code No. JK97-01074A Description / Specification c-2 JK75-10386A MEA-COVER HOUSING: A-TYPE,BASIC MEA-COVER HOUSING: A-TYPE,NONE HOLE,OPTION MEA-SUB HOUSING: A-TYPE,BASIC MEA-SUB HOUSING: A-TYPE,NONE HOLE,OPTION MEC-ROLLER: DRAWER,DR-10-B1/ Φ19 c-3 JK73-20207A REX-PAD DRAWER: DRAWER,NR,BLK c JK97-01074B JK75-00026A c-1 JK75-00026B Q`ty Design-Location Serviceable 1 N 2 N 2 N 1 N 1 N 1 N Remark (d) ASS’Y LOCK No. Code No.
7 PBA Layout and Part List 7-1 Main PBA SAM4S ER-650 SERIES 7-1
7 PBA Layout and Part List No - Part-No JK92-01470A Description / Specification PBA MAIN-BOARD:ER-650R,EUROPE,RoHS JK92-01470B JK92-01470C Q’TY 1 Design Location STANDARD Serviceable Y PBA MAIN-BOARD:ER-650R,4M_SRAM,RoHS 1 STANDARD Y SRAM: 10MBIT PBA MAIN-BOARD:ER-650R,CRS,RoHS 1 USA Y SRAM: 2MBIT - 0402-000119 DIODE-BRIDGE:W02G,200V,1.
7 PBA Layout and Part List No Part-No - JK39-40541A Description / Specification CBF HARNESS-MAIN:ER-4615,1R,UL1015,220mm Q’TY 1 Design Location MAIN+GND_PLATE Serviceable - 0502-000234 TR-POWER:KSA1010Y,PNP,40W,TO-220,TP,100 2 Q3,Q11 Y - 6003-000119 SCREW-TAPTITE:BH M3x8 BLK 2 Q3,Q11 Y - 6203-000107 HEAT SINK:NONE,T2,W17,L22,H45,DEGRE,AL60 2 Q3,Q11 Y - 0801-000523 IC-CMOS LOGIC:74HCT541,BUFFER/DRIVER,SOP 2 U5,U23 Y - 0801-000642 IC-CMOS LOGIC:74HC138,3-TO-8 DECODER,SOP 4
7 PBA Layout and Part List No Part-No - 2007-000406 R-CHIP:15KOHM,1%,1/10W,DA,TP,2012 Description / Specification Q’TY 1 R22 Design Location Serviceable N - 2007-001152 R-CHIP:750OHM,1%,1/10W,DA,TP,2012 1 R24 N - 2007-000642 R-CHIP:270OHM,5%,1/10W,DA,TP,2012 1 R89 N - 2007-001013 R-CHIP:51OHM,5%,1/10W,DA,TP,2012 1 N - 2203-000192 C-CERAMIC,CHIP:100nF,+80-20%,50V,Y5V,TP, 46 - 2203-000239 C-CERAMIC,CHIP:0.
7 PBA Layout and Part List 7-2 Power Filter PCB Layout No Code No. - JK92-00949A PBA PWR-650;ER-650,BASIC,WORLD 1 - 1405-000111 VARISTOR;1800V,4500A,17.5x15mm 1 V3 Y - 1405-000147 VARISTOR;470V,4500A,17x12mm,BK 2 V1,2 Y - 2201-000023 C-CERAMIC,DISC;2.2nF,20%,125V, 1 C4,5 Y - 2305-001021 C-FILM,MPEF;100nF,20%,275V,TP, 1 C2 Y - 3601-000246 FUSE-FERRULE;250V,2A,TL,GLASS, 1 FU1 Y - 3602-000001 FUSE-CLIP;-,-,30mohm 2 FU1 Y - 3711-000829 CONNECTOR-HEADER;BOX,2P,1R,6.
7 PBA Layout and Part List 7-3 RS-232C and IRC PCB Layout No. Parts No. Description / Specification Q`ty - JK92-00948D PBA SUB-I/F 232/IRC:ER-650/655/650R,STD 1 ASSY Y - 1006-000259 IC-LINE TRANSCEIVER:75176A,DIP,8P,300MIL 1 U1 Y Serviceable - 3701-000232 CONNECTOR-DSUB:9P,2R,FEMALE,ANGLE,AUF 2 CN3,CN5 Y - 3711-003359 CONNECTOR-HEADER:BOX,10P,1R,2.5mm,STRAIG 1 CN2 Y - 3711-001054 CONNECTOR-HEADER:BOX,6P,1R,2.
7 PBA Layout and Part List 7-4 Display Layout 7-4 A. Parts List (Front LCD) No - JK96-01080A ELA ETC-DISPLAY(650);ER-650,BA 1 ASS’Y Y - JK07-20100A DISPLAY-LCD;ER-550,PG12864LRS- 1 [A] Y - JK39-40305Y CBF-HARNESS;18P,450MM,RED/WHT, 1 [B] 8P/10P Y - JK39-40305Z CBF-HARNESS;2P,500MM,RED/WHT,U 1 [B] 2P Y 7-4 Code No. Description / Specification Q’TY Design-Location Serviceable Remarks B. Parts List (Rear VFD) No - Code No.
7 PBA Layout and Part List 7-5 Fiscal Layout (Memory Size = 1MBITs) Description / Specification Q’TY Part-No - JK92-00132B PBA SUB-FISCAL B/D;1MBITs 1 1MBITs ASSY - 1102-000109 IC-EPROM:27C010,128Kx8BIT,DIP,32P,600MI 1 U1 Y - 0403-000141 DIODE-ZENER:1N4735A,6.
7 PBA Layout and Part List MEMO SAM4S ER-650 SERIES 7-9
8 Trouble Shooting 8-1 Power Problem Power Problem Power Out Ok? On Trans N Y 1. Check the Power Cable 2. Check the AC Filter PWB. 3. Check the Power Transformer. Power VDI (+30V) Ok? N 1. Check the Bridge Diode(BD1) Y 2. Check the Zenner Diode(ZD1) 3. Check the TR (Q1) Power VDR (+24V) Ok? N 1. Check the Fuse (FU1) Y Power VCC (+5V) Ok? Y 2. Check the Bridge Diode(BD2) N Power VPH (+8.5V) OK? 1. Check the IC34063(U2) Y N 1. Check the IC34063 (U1) 2. Check the TR 1010 (Q11) 2.
8 Trouble Shooting 8-2 System Problem System Problem Reset Signal N Ok? Y 1. Check the IC M51953B(U4) 2. Check the 74HC14(U10). 3. Check the RST Pattern on PCB. Power Fail N Signal Ok? 1. Check the LM393(U12) Y 2. Check the Power (24V,5V) 3. Check the Pattern on PCB Program N Ok? 1. Check the Addr/Data line Pattern Y SRAM 2. Check & Change the EP-ROM N Ok? Y 1. Check the /CS Decoder HC138 (U2) 2. Check the Each SRAM 3. Check the Addr/Data Pattern CPU N Ok? Y 1. Check the Main Clock(14.
8 Trouble Shooting 8-3 LCD Display Problem LCD Problem Reset Signal N Ok? Y 1. Refer to the Reset Part of System Problem 2. Check the Harness Data Signal N Ok? 1. Check the Harness Y 2. Check the 74HC245 (U22) 3. Check the HC138 (U7) & LCD_CS Signal 4. Check the CPU /RD Signal Control Line N Ok? 1. Check the CPU F_LCD_CS1 (P1.0) Y 2. Check the CPU F_LCD_CS2 (P1.1) 3. Check the CPU LCD_RW (P7.4) 4. Check the LCD_DI (P8.2) Back Light N Ok? Y 1. Check the CPU INTP1 (P8.3) 2.
8 Trouble Shooting 8-4 VFD Display Problem VFD Problem Control Signal N Ok? Y 1. Check the CPU Control Pin (Data/CLK/Latch) . 2. Check the Harness. Connector N Ok? 1. Check the Harness. Y 2. Check the CPU Disconnection Function Pin(P10.7) Power VDI, N VCC Ok? 1. Refer to the Power Problem. Y VFD PBA 2. Check the Harness. N Assy Ok? Y 1. Check and Replace the VFD PBA. 2. Check the UCL5812. 3. Check the VFD. 4. Check THE Harness & Soldering Point.
8 Trouble Shooting 8-5 Thermal Printer Problem Thermal Printer Problem Control Signal N Ok? 1. Check the Control Signal on CPU Y (Data/CLK/Latch/Strobe1,Strobe4) 2. Check the Harness. 3. Check the related Circuit and Pattern. Power Vcc N VH Ok? 1. Refer to the Power Problem. Y Sensor 2. Check the Harness. N OK? 1. Check the related Circuit and Pattern(IC LM393). Y 2. Check the Harness. 3. Check the Sensor PBA. Feed Motor N OK? 1. Check the related Circuit and Pattern(IC LB1838). Y 2.
8 Trouble Shooting 8-6 Key Board Problem Key Board Problem Key Input Y Failure ? N 1. Check Decoder HC138(U7) & Key Board CS Signal 2. Check HC138(U24,U25) 3. Check HCT541 & Data Line 4. Check the related circuit 5. Check & Change Key Board Ass’y 6. Check the KBD Connector on PBA Specific Key Y Failure? N 1. Check the affected Key 2. Check the Matrix Bus & Data Bus 3. Check the Diodes(D13~D28) 4. Check the Key Board Ass’y Mode Key N Ok? Y 1. Check the Harness & Mode Key Ass’y 2.
8 Trouble Shooting 8-7 Drawer and RTC(Real Time Clock) Problem Drawer Problem Drawer Open Y Failure ? N 1. Check the Drawer Connector & Harness. 2. Check Drawer Signals on CPU (p8.4/P8.7). 3. Check the related circuit & Component D288 (Q4,Q5). 4. Check the Solenoid in the Drawer. Compulsory Y Failure? 1. Check the Compulsory Harness & Connector. N 2. Check the micro switch in the Drawer. End RTC Problem RTC N Ok? Y 1. Check the Clock (32.768KHz) 2. Check the Battery Voltage (VBU) 3.
8 Trouble Shooting 8-8 RS-232C Serial Communication Problem RS-232C Problem Loop Back Y Failure ? N 1. Perform the “SELF TEST” in the S-MODE using the Loop Back test Connector. 2. Check the connection of the RS-232C Connector and Loop Back Connector. 3. Check the Txd,Rxd Pin on CPU. 4. Check the MAX232 Driving Chip and related Circuit on I/F PBA. Communication Y Failure? N 1. Check the connection of the RS-232C Connector and Other side. 2. Check the I/F Cable whether it is open or short. 3.
8 Trouble Shooting 8-9 IRC Serial Communication Problem IRC Problem Loop Back Y Failure ? N 1. Perform the “SELF TEST” in the S-MODE using the Loop Back test Connector. 2. Check the Tx,Rx Pin on I/F PBA. 3. Check the 75176 Driving Chip and related Circuit on I/F PBA. Communication Y Failure? N 1. Check the connection of the IRC Connector and Other side. 2. Check the IRC Cable whether it is open or short. 3. Check whether Signal is affected by the Cable Noise.
8 Trouble Shooting Memo 8-10 SAM4S ER-650 SERIES
9 Block Diagram 9-1 ER-650R VH(+8 VPH(+8.5V) VDR(+24V) VDI(+30V) POWER CIRCUIT RS-232 DRIVER#1,2 RS-232C CONNECTOR#1,2 IRC DRIVER IRC CONNECTOR FRONT LCD DRIVER FORNR LCD REAR VFD DRIVER REAR VFD KEY BOARD DRIVER KEY BOARD MODE KEY DRIVER MODE KEY CLERK KEY DRIVER CLERK KEY THERMAL PRT DRIVER THERMAL PRT VCC VCC VCC +24V RESET CIRCUIT P_FAIL CIRCUIT ADDRESS EP-ROM 27C040 DATA ADDRESS SRAM (2 MBit) CPU M30622SFP DATA Expansion SRAM (4 Mbit×2) ADDRESS Real Time Clock (32.
9 Block Diagram Memo 9-2 SAM4S ER-650 SERIES
10 Wiring Diagram 10-1 ER-650R 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 TXD1 GND RXD1 DSR1 DTR1 VCC TXD2 GND RXD2 DSR2 DTR2 IRC_EN TXD3(IRC) IRC_RE RXD3(IRC) VCC Serial I/F PBA 1 2 3 4 5 6 PRINTE R STM-210 13 14 15 16 17 18 19 20 21 GND GND DI STB1 GND LATCH GND GND VH VH Step Motor BGND 24 Step Motor B 25 11 14 17 20 E /RW DI VO 8 7 6 5 4 3 2 1 LCD 2 1 23 26 Step Motor A 28 Step Motor A8.
10 Wiring Diagram Memo 10-2 SAM4S ER-650 SERIES
11 Schematic Diagrams [ Schematics Sheet Content ] 1. Main PCB Schematics.
11-2 100nF C18 100nF C21 100nF C28 100nF 5A 4A 3A 2A 1A 4 100nF C26 L14 C98 C33 22pF 100nF C32 22pF 100nF C117 C22 470pF R37 2.2K 4 3 2 1 C46 100nF C27 22pF VCC VI VO GND FS741 XIN XOUT REF LF U1 5 6 7 8 R40 10 C31 100nF 100nF 3 C80 VCC C65 RESET CIRCUIT 100nF C48 47nF 4 100nF C97 74HC14 C38 22UF 50V R38 47K 100nF 3 C51 1 2 3 4 5 100nF C71 U10:2 C30 R45 4.
11-2 MEMORY PART SAM4S ER-650 SERIES 11-3
11-4 C35 470pF C19 100nF C29 [ RS-232 #2, IRC ] _RE RXD3 TXD3 B DOT_PRRD _RD D(7) D(6) D(5) D(4) 1 19 OE1 OE2 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 U5 GND A0 A1 A2 A3 A4 A5 A6 A7 VCC 10 2 3 4 5 6 7 8 9 20 C CLERK4 CLERK3 CLERK2 CLERK1 DWR_COMP2 4.7K D(3) 18 17 16 15 14 13 12 11 VCC VCC R16 R7 DWR_COMP1 C17 100nF R21 10K VCC 1 1 4.7K R61 D(1) D(2) D(0) [RTC Chip Detect] H: RF5C15 L: RS5C372A L9 L8 C4 100nF R18 10K Q5 KSD288-Y Q4 KSD288-Y 4.
11-4 FISCAL PART SAM4S ER-650 SERIES 11-5
Y 11-5 POWER PART 11-6 SAM4S ER-650 SERIES
G 11-6 DRAWER / DISPLAY(VFD) PART SAM4S ER-650 SERIES 11-7
Y 11-7 KEY SCAN PART 11-8 SAM4S ER-650 SERIES
. 11-8 LCD DISPLAY PART SAM4S ER-650 SERIES 11-9
G 11-9 PRINTER PART 11-10 SAM4S ER-650 SERIES
11-10 PRINTER CONNECTION PART SAM4S ER-650 SERIES 11-11
11-12 4 3 2 1 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 CON-BOX;10P,2.5MM,ST CN2:A CN2:B CN2:C CN2:D CN2:E CN2:F CN2:G CN2:H CN2:I CN2:J VCC CON-BOX;6P,2.
4 3 2 C N 1:A C N 1:B C N 1:C C N 1:D C N 1:E C N 1:F C N 1:G C N 1:H 1 2 3 4 5 6 7 8 C O N -BO X;8P,2.
11-14 4 3 2 A(0:16) D(0:7) A16 A11 A10 A9 A8 A12 A13 A14 A15 A0 A1 A2 A3 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 BO AR D -IN H AR ,30P 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 CN1 /C E A4 A5 A6 A7 A17 D0 D1 D2 D7 D6 D5 D4 D3 C2 100nF C H IP VC C JP1 0 B ZD 1 1N 4735A 6.2V C1 100nF AXIAL (512K) B R1 4.7K R2 560 1.2K R4 1 Q1 M M BT2222A V1 D IO D E-SK14 D1 D2 D IO D E-SK14 VC C 2 3 VC C R5 4.
UPDATE LOG Application Date Page Part # Notes (Cause & Solution) S/Bulletin 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 always as current as possible.
ⓒ Shin Heung Precision. July 2007 Printed in KOREA V2.0 Code No.
