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BMC PS2000TL+ Service Manual

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  • Page 1                                                                                                 V1.31     ...

  • Page 2: Table Of Contents

    Table of Contents Features --------------1 --------------2 How to Install Roll Paper 2-1 Specification of thermal roll paper --------------1 2-2 Step of changing --------------1 2-3 How to removing paper after paper jamming --------------2 2-5 How to adjust paper near-end sensor --------------2 How to change the memory back-up battery --------------1 Operation for maintenance...
  • Page 3 Table of Contents Parts List 7-1 M-T245 Printer --------------1 7-2 Main board Assy --------------4 7-3 Front Display board Assy --------------7 7-4 Rear Display board Assy --------------8 7-5 AC Line Noise Filter board Assy --------------8 7-7 Keyboard Assy --------------9 7-8 Housing Assy -------------12 Printer Assy -------------14...
  • Page 4 1. Features The PS2000TL+ is an excellent electric cash register that is equal to a P.O.S. system. It’s loaded a two-station heavy-duty thermal printer with auto cutter and four lines big size LCD display with back-light for operator. The general hardware specifications are as follows.
  • Page 5 1-5. Memory C-MOS RAM( on Main Board) 4 M bits x 1 ( 512K Bytes) Standard C-MOS RAM(on Option Board) +4Mbits x 1 (512k Bytes) Total 1M Bytes max. Program Memory 2 M bits(256K Bytes Max.) 1-6. Memory Back-up battery Chargeable &...

  • Page 6: How To Install Roll Paper

    How to Install Roll Paper Take-up reel Head-up lever 2-1 Specification of thermal roll paper The loaded printer is thermal head printer. Please use following thermal roll paper to change. TF50KS-E by Jujyo Seishi ( recommendation) Size: 44.5mm(width) x φ83mm(max.) 2-2 Step of changing 1) Cut the end of the roll paper correctly.

  • Page 7: How To Removing Paper After Paper Jamming

    How to removing paper after paper jamming If paper jamming occurs, follow the procedure below. Head-up lever Cover frame Cover frame screw 1) Remove the cover frame screw. Then open the cover frame. 2) Release the head-up lever. 3) Remove all jammed paper and paper chips. 4) Return the cover frame until touching the portion.

  • Page 8: How To Change The Memory Back-Up Battery

    How To Change The Memory Back-Up Battery 3-1 How to change the memory back-up battery. When needing to change the memory back-up battery, follow the procedure below. 1) Remove the printer cover from the cabinet. 2) Open the upper case by removing three screws which fix it. 3) Remove the battery from the holder by hand.

  • Page 9: Operation For Maintenance

    4. Operation for Maintenance 4-1 System Reset This operation should be done immediately after changing program E-PROM or repairing. All programmed data and report data will be kept after the system reset operation.                                                  DEPRESS  [RF]     POWER OFF  ‑‑‑‑>              ‑‑‑‑‑‑‑>         ‑‑‑‑‑‑‑> POWER ON  [JF]                                               ...

  • Page 10: Communication Port Loop-Back Test

     RAM CLEAR OPERATION   ENTER PASSWORD                    0  Enter system password (2001) and enter [CASH] key. 4-5 Communication Port Loop Back Test   This test checks if serial port circuit works by loop back sequence.  Before starting this test, loop‑back connector should be connected to a D‑SUB connector without   pin and 3   port #2 that you want to check. This loop‑back connector should be shorted 2 and 8  .     PIN Assignment   PIN# #1 PORT A #2 PORT B #3 PORT C #4 PORT D with IF.

  • Page 11: E-Prom Check-Sum Printing

    Connect the LOOP‑BACK connector to the port that you want to check.  Select "SYSTEM TEST" in P2 mode main menu and press [CASH] key.  SELECT PROGRAM ITEM   RAM CLEAR OPERATION  IRC RAM COPY   SYSTEM TEST  Enter target port number and press [CASH] key.   SYSTEM TEST     ENTER TEST PORT No.                   0 The loop-back test will be done and results will be printed on the receipt. 4-6 E-PROM CHECK-SUM Printing You can print the check-sum value of the main E-PROM by following operation. Turn to the S-position by using the S-key.

  • Page 12: Logic Circuit

    LOGIC CIRCUIT 5-1 Connection Diagram Connection Diagram VFD. Back Display Line Noise CN11 CN12 Front Display Board Filter Board           KEY Board LCD 20 x 4 Display Module Unit POWER TRANSFORMER CN9,CN10 Cashier Control Lock CN16 Drawer A RS485 for I.R.C. Drawer B CN10, CN11 RS232C Fiscal Memory Main Board Unit MT245 Thermal Extension Printer Memory I/O Board Auto Cutter Thermal Head Feed Motor J Feed Motor R RS232C CN15 Paper Near‑End R...

  • Page 13: Block Diagram

    Block Diagram /RESET CPU HD64180Z /POWER FAIL MEMORY ADDRESS I/O ADDRESS DECODER GAL DECODER GAL Fiscal Memory ROM 256K bytes Fiscal Memory 27C1001 27C2001 Control Circuit 82C55 & HC273 RAM 512K bytes RAM 512K bytes TC54001CF Real‑Time Back‑Up Clock Battery RTC72423 Drawer A Drawer Drive & Sensor Circuit Drawer B /RESET Printer RS485 Driver PORT0 Controller MAX491 Sync M37732SAFP Serial RS232C Driver PORT1 MAX238 ROM 32K bytes Printer Driver Circuit...

  • Page 14: Primary Power Circuit

    5-3 Primary Power Circuit 1)Filter Circuit AC power is supplied to the transformer through a fuse and the filter circuit. The filter circuit is constructed three capacitors and a choke coil as a common mode filter. 2)AC Power Transformer This power transformer has two primary taps ( brown and red). The brown is for 115V and red is for 230V range.

  • Page 15: Power Circuit

    Power Circuit 5-4-1 VP(+24V) Generation Circuit The AC power from the secondary of transformer undergoes full wave rectification by diode bridge DB1 and smoothed by capacitor C4. After smoothing DC power is supplied to DCDC converter U1(STK733). The main power VP is supplied to each part after regulating to 24V by this DCDC converter.

  • Page 16: Power Failure & Reset Signal Generation Circuit

    5-5 Power Failure & Reset Signal Generation Circuit Secondary voltage of the power transformer which is rectified by D1 and D2 supplied to the comparator U3 as a checking voltage after dividing properly by R1,R2,R7,R8 and R6. This voltage is compared with reference voltage which generated by ZD4 and power failure signal /PFL is generated.

  • Page 17: Memory Selection Circuit

    5-7 Memory Selection Circuit Address decode circuit of main memory is constituted with a programmable array logic IC U24. This IC makes five kinds of selection signals from address lines(A15-A19) and memory enable signal /ME. Device Purpose of using M27C1001 Used for 512K bytes Program Area TC554001 Used for reading of 512K bytes data area...

  • Page 18: I/O Selection Circuit

    5-8 I/O Selection Circuit Address decode circuit of I/O is constituted with a programmable array logic IC U10. This IC makes ten kinds of selection signals from address lines(A12-A15) and I/O enable signal /IOE. Device Purpose of using /IO0 Real-time Clock IC Used for selecting real-time clock IC.

  • Page 19: Real-Time Clock Circuit

    Real-Time Clock Circuit The RTC72423 is a bus-connection real-time clock IC built-in crystal oscillator. Date and time data is read or written from the CPU by 4bits data line, 4bits address lines and control lines. 5-10 Buzzer Circuit Four gates in U1 and R1,R2 and C2 constitute a self-oscillation circuit. When BUZ signal from the main board is on, the VP synchronizes with this pulse and is supplied to the speaker BZ1 by transistor Q1.

  • Page 20: Drawer Circuit

    5-11 Drawer Circuit The driving pulse signal, which is made by latch IC U16, drives a transistor D986 and drawer solenoid will be driven. The status of the drawer open sensor is read to the main CPU through the buffer IC U17.
  • Page 21 5-12 KEY Scanning Circuit Key scanning matrix is constituted of 16 scanning lines and 11 returning lines. First 4 selecting signals are made by latch IC U16 on the main board. And then these 4 selecting signal are divided to 16 scanning pulses by de-multiplexer IC (U4,U5) on the display board.

  • Page 22: Keyboard Physical Position & Matrix

    5-13 Keyboard Physical Position & Matrix for Conventional Key Type...
  • Page 23 5-14 Keyboard Physical Position & Matrix for Flat Key Type Keyboard Physical Matrix for Flat keyboard...

  • Page 24: Lcd Display Circuit

    5-15 LCD(front) Display Circuit As operator display, LCD panel that multiplied 20 characters by 4 lines is used for operator display. A private controller KS0066 controls it directly. 4 bits data lines and 3 control lines from the main CPU control the LCD controller chip.

  • Page 25: Vfd Display Circuit

    5-16 VFD(back) Display Circuit The customer display is constituted a 9 digits fluorescent display. The filament power Vf(AC3.9V) is supplied from the main board and three driver IC chips(U2,U3,U6) drive fluorescent display. Keyboard scanning signals T0-T8 is used for scanning digit of fluorescent display.

  • Page 26: Thermal Printer Circuit

    5-17 Thermal Printer Circuit The thermal printer M-T245 is controlled by private 16 bits CPU chip U19. 1 line printing data is divided one dot line data and the main CPU sends one dot line data to the controller chip by using clocked serial port. And the serial printing data input from the DI line is transferred to the shift register synchronously with the clocked signal, and is stored in the LATCH by the LATCH signal.
  • Page 27 Parts List M-T245 Printer Assy 1/2 parts list Ref No.      Part Code           Description  QTY     101   2009520  MOTOR  2      １  102  B300300311  C.C.S. Screw  2    201  104089  GEAR REDUCTION  2    202  104097  SHAFT REDUCTION  2    203  1014090  GEAR TRANSMISSION  2    401  1014268  PLATE ASSY HEAD FIXING  1    402  2009579  PRINT HEAD ...
  • Page 28   M-T245 Printer Assy 2/2 parts list Ref No.      Part Code           Description  QTY     722  F201506030  DRIVE SHAFT HOLDER  1    723  B150300314  RETAINING RING  2    724 B010109411  C.P.SCREW  2      725 B300304111  C.C.S.SCREW  2      726  1006854  C.B.S‑TITE SCREW,2x4  1    727  1015324  S.B.S‑TITE SCREW  4    728  1015461  COVER FRAME SCREW  1    729 ...
  • Page 29 EXPLODED DIAGRAM for M-T245...

  • Page 30: Parts List 1/3

    Main Board Assy parts list 1/3               SYMBOL  PARTS CODE      DESCRIPTION                        COMMENTS QTY               003MEM0001 M27C256B‑12XF1 256K bits UV‑EPROM 1    U20           016TR0013 MTA001M‑4101 Motor Driver TR. (ZIP‑27) 1            ...
  • Page 31 Main Board Assy parts list 2/3                 SYMBOL  PARTS CODE      DESCRIPTION                        COMMENTS QTY           071CON0107 SLD32S‑1 32‑FFC Connector  1           071CON0108 SLD22S‑1 22‑FFC Connector  2   CN10,11           071CON0041 B8B‑XH‑A 8P 3A SN ST 2  ...
  • Page 32 Main Board Assy parts list 3/3               SYMBOL  PARTS CODE      DESCRIPTION                        COMMENTS QTY             072RE1210011 4 REG ARRAY 121 (MNR14A) 120  OHM 4 CHIP 2   RA11,12           072RE1220003 4 REG ARRAY 122 (MNR14A) 1.2 KOHM 4 CHIP 3   RA4,5,6          ...

  • Page 33: Front Display Board Assy

      7-3 Front Display Board Assy parts list                 SYMBOL  PARTS CODE      DESCRIPTION                        COMMENTS QTY             013DIS0010 AC‑204BYILY 4line 20digits LCD Unit 1             081SND0001 KBS13DB‑4P BUZZER  1          ...

  • Page 34: Rear Display Board Assy

    7-4 Rear Display Board Assy parts list                 SYMBOL  PARTS CODE      DESCRIPTION                        COMMENTS QTY           080PCB019 003‑01A  P.W.Board  Rear Display Rear Display Board 1             013DIS0005 FIP9G13A 9digits VFD display tube 1   FIP1          ...

  • Page 35: Keyboard Assy

      Key Board Assy parts list Conventional Key Type       PARTS CODE        DESCRIPTION                        COMMENTS  QTY    ①  810KEY0004  KEY BOARD ASSYPS/TL/EL    1            ②  810KEY1800 TEN KEY SET W/SPRING 0〜9 ・ 00 1              ③  810KEY2005 KEY CAP 1x2 KTS0002B 12           ④  810KEY2006 KEY CAP 1x1 (1U) KTS0001B 35        ...
  • Page 36   EXPLODED DIAGRAM for Conventional Keyboard...
  • Page 37 EXPLODED DIAGRAM for Flat Keyboard...
  • Page 38 Housing parts list                           PARTS CODE DESCRIPTION QTY           ①  820HOU8202 HAPJARW12 REAR DISPLAY Filter  1          ②    820HOU0205 HAPJAUP01 UPPER CASE PS2000  1          ③  820HOU0206 HAPJABM01 BOTTOM CASE PS2000 ...
  • Page 39   EXPLODED DIAGRAM for Housing Unit...
  • Page 40 Printer Unit                       PARTS CODE DESCRIPTION QTY         800PRN0040 PRINTER UNIT M‑T245 WITH AUTO PS PULS/ 1            800PRN0041 WINDER UNIT WITH J.R NER END SENSOR PS PULS/ 1                                                                           800PRN0042 WINDING REEL PS PULS/...

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