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SERVICE MANUAL

ELECTRONIC CASH REGISTER

SE-G1/PCR-T273/SM-T274

(EX-256)

JAN. 2013

Ver.1 : Jun. 2013

Summary of content (39 pages)

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SERVICE MANUAL ELECTRONIC CASH REGISTER SE-G1/PCR-T273/SM-T274 (EX-256) JAN. 2013 Ver.1 : Jun.
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SE-G1/PCR-T273/SM-T274 CONTENTS 1. SPECIFICATIONS........................................................................................................... 1 2. INITIALIZATION .............................................................................................................. 2 3. DISASSEMBLY................................................................................................................ 3 4. DIAGNOSTIC OPERATION.....................................................................
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SE-G1/PCR-T273/SM-T274 1. SPECIFICATIONS 1-1. Electrical Specifications Power Consumption In operation Max. 100 V 120 V 220 V 230 V 240 V 122 mA 111 mA 79 mA 75 mA 74 mA Mode off Max. 12.4 mA 11.4 mA 12 mA 12.4 mA 12.8 mA Memory protection Back-up battery Back-up period Battery life Mangan Battery (UM-3×2 pcs) 1 year (25 °C) Replace the battery every 1 years. Clock & Calendar Accuracy Auto calendar Within ± 30 sec. per month (25 °C) Effective until 2099 A.D. 1-2.
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SE-G1/PCR-T273/SM-T274 2. INITIALIZATION (1) Remove the memory protection batteries. Memory protection batteries (2) If the Power cord is plugged to a power outlet, unplug it. (3) Wait for 15 seconds, and set the memory protection batteries again. (4) Set the paper. NOTE: Unless the paper is set, Error "E 10" is triggered and the program cannot be launched. Plug the Power cord to a power outlet. Enter year, month, day, and time. NOTE: For US, enter month, day, and year in this order.
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SE-G1/PCR-T273/SM-T274 3. DISASSEMBLY 3-1. Important • Please note that the product on this manual may appear to be different from the actual one according to the changes such as engineering design change. • Be sure to unplug the power cord and remove the roll paper before starting any repair/ maintenance. • In order to prevent static and avoid leaving grease from the hand, wear conductive gloves, finger cots, or anti-static band when assembling/disassembling the product. • Do not use metal tweezers.
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SE-G1/PCR-T273/SM-T274 3-2. Flowchart See the flowchart below for the order of disassembling major components. A. COVER/PRINTER, REEL (PULLY/WIND, SPOOL/PAPER), Paper roll, COVER/BATTERY, Memory protection batteries S Type B. MAIN-UNIT S-type D. AC-ADAPTOR M Type Drawer Type? C. MAIN-UNIT M-type E. ASSY/MOTOR, ASSY/MODE KEY G. PCB ASSY/E256-1 H. MOUNT/PCB F. DISPLAY UNIT I. KEY-BOARD-ASSY J. PRINTER 3-3. Procedure A.
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SE-G1/PCR-T273/SM-T274 B. MAIN-UNIT S-type B-1. B-2. Remove the cable tie. Pull the drawer release lever and then remove the drawer. NOTE: In case the drawer is locked with a drawer lock key, the lever does not activate. Drawer release lever Cable tie NOTES ON ASSEMBLY • Be sure to attach the cable tie. B-3. Undo two screws. Screws (S1) B-4. Slide the MAIN UNIT toward the back. Disengage the MAIN UNIT as you pull out the AC power cord. Pull out the AC power cord.
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SE-G1/PCR-T273/SM-T274 B-5. Disconnect the DRAWER connector. Connector NOTES ON ASSEMBLY Hook the DRAWER cable on the hook. DRAWER UNIT B-6. Undo three screws and remove the COVER/PCB.
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SE-G1/PCR-T273/SM-T274 C. MAIN-UNIT M-type C-1. Remove the cable tie. C-2. Pull the drawer release lever and then remove the drawer. NOTE: In case the drawer is locked with a drawer lock key, the lever does not activate. Cable tie Drawer release lever NOTES ON ASSEMBLY • Be sure to attach the cable tie. C-3. Undo three screws and two plates. Screws (S3) Plates C-4. Slide the MAIN UNIT toward the back. Disengage the MAIN UNIT as you pull out the AC power cord. Pull out the AC power cord.
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SE-G1/PCR-T273/SM-T274 C-5. Loosen the nut and disconnect the ground wire. C-6. Disconnect the DRAWER connector. C-7. Remove the COVER/PCB. COVER/PCB Ground wire Connector C-8. Place the DRAWER back in the MAIN UNIT. C-9. Undo one screw. C-10. Slide the MAIN UNIT toward the back to remove it.
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SE-G1/PCR-T273/SM-T274 D. AC-ADAPTOR D-1. Undo two screws. (M-type only) Screws (S3) D-2. Disconnect one connector. D-3. Remove the PS-ASSY. PS-ASSY NOTES ON ASSEMBLY Run the cable under the motor.
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SE-G1/PCR-T273/SM-T274 NOTES ON ASSEMBLY When the AC-ADAPTOR is replaced with a new part, attach the cable tie and tape. Cable tie Tape E. ASSY/MOTOR, ASSY/MODE KEY ASSY/MOTOR E-1. Disconnect one connector. E-2. Undo two screws and then remove the ASSY/MOTOR. ASSY/MODE KEY E-3. Disconnect one FFC. E-4. Undo one screw and then remove the ASSY/MODE KEY.
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SE-G1/PCR-T273/SM-T274 F. DISPLAY UNIT F-1. F-2. Undo four screws. Peel off the tape and then disengage the FFC. Screws (S7) FFC F-3. Remove the DISPLAY UNIT. DISPLAY UNIT NOTES ON ASSEMBLY Be sure that the LCD surfaces are clean.
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SE-G1/PCR-T273/SM-T274 F-4. Disengage two hooks and then remove the FRAME/DISPLAY.
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SE-G1/PCR-T273/SM-T274 G. PCB ASSY/E256-1 G-1. Disconnect one connector and two FFC. G-2. Undo two screws. Connector Screws (S4) FFC FFC G-3. Remove the E277-1-ASSY. Unhook the PCB.
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SE-G1/PCR-T273/SM-T274 H. MOUNT/PCB H-1. Undo three screws. H-2. Remove the MOUNT/PCB. Screws (S4) MOUNT/PCB Screw (S3) I. KEY-BOARD-ASSY I-1. Undo four screws. KEY-BOARD-ASSY Screws (S3) I-2. Undo two screws and then disassemble the KEY-BOARD-ASSY.
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SE-G1/PCR-T273/SM-T274 J. PRINTER J-1. J-2. Undo one screw. Remove the PRINTER. Screw (S3) PRINTER NOTE: The PLATEN ARM must be open to remove the PRINTER. ARM/PLATEN NOTE: When replacing the PRINTER with a new part, remove the roller from the new PRINTER and replace it with the roller for the PLATEN ARM.
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SE-G1/PCR-T273/SM-T274 4. DIAGNOSTIC PROGRAM 4-1. Launching The Diagnostic Program NOTE: If a receipt has been issued in other modes, the Diagnostic Program will not launch. When this happens, exit and restart the Diagnostic Program. To exit the Diagnostic Program, see "4-2. Exiting the Diagnostic Program". (1) Perform initialization. Memory protection batteries 1Remove the memory protection batteries. 2If the Power cord is plugged to a power outlet, unplug it.
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SE-G1/PCR-T273/SM-T274 4-3. Notes For The Diagnostic Program • To forcibly terminate a test, press y key or turn the Mode Switch to [OFF]. If a test is terminated, the device prints out the following: ESC • For the number of test to perform, you may select "once" or "infinite loop". If "0" is entered as the number of times to perform the test, the test will be performed only once. If any value between "1" and "9" is entered, the test is repeated infinitely.
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SE-G1/PCR-T273/SM-T274 4-5. Operation Of Each Test [1] Status Display [Function] The device status is indicated with ON/OFF of the segment. [Display] The figure below shows the relative display positions for the status information.
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SE-G1/PCR-T273/SM-T274 [2] Batch Test [Function] Display, ROM, printer, time setting, drawer and buzzer tests are performed continuously. [Operation] Command : 1 k Performs the following tests in sequence. NOTE: Refer to each check item for details. (1) Display test NOTE: Press any key to go to the next test. (2) ROM check sum test (3) Internal printer character print test (4) Time setting: Set the default data (2012 December 31, 23:59'30). (5) Buzzer test: Ring once the one shot buzzer.
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SE-G1/PCR-T273/SM-T274 [3] Internal ROM Check SUM Test [Function] Performs the ROM check sum test. [Operation] Command : n 5 1 8 k n: Number of times to run 0 1~9 Once (Can be omitted) Infinite loop (To forcibly terminate the test, press the y key.) [Print] MASK MASK CHK END [4] 518 OK 518 Display Test [Function] Tests the Main Display and the Customer Display. [Operation] Command : 2 2 1 k (7) Check that the segment shown below is indicated on the display. (8) To end the test, press y key.
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SE-G1/PCR-T273/SM-T274 [5] Internal Printer Character Print Test [Function] Tests if the internal printer prints characters correctly. [Operation] Command : a c n 030k a: Printing property 0 Normal print out 1 Reduced size print out c: Characters to be printed 0 Prints the character “B” 1 Prints all characters n: Number of times to run 0 1~9 Once (Can be omitted) Infinite loop (To forcibly terminate the test, press the y key.
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SE-G1/PCR-T273/SM-T274 [6] Time Setting/Time Display [Function] Allows you to check or change the time (hour, minutes, seconds) and date (year, month, day) that are currently set. [Operation] Command : h hh h m m s s 0070k mm Hour Minutes ss Seconds dd Day • The new settings are printed out when the it is complete. Command : y yy y m m d d 0170k mm Year Month • The new settings are printed out when the it is complete.
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SE-G1/PCR-T273/SM-T274 [7] Drawer Open Test [Function] Tests whether drawers operate correctly. The drawer sensor checks every two seconds while the drawer open test is performed infinite times. Only when the drawer is closed, the drawer is reopened. [Operation] Command : n 0 9 1 k n: Number of times to run 0 1~9 Once (Can be omitted) Infinite loop (To forcibly terminate the test, press the y key.) [Print] DRW DRW END [8] 91 OK 91 Buzzer Test [Function] Tests whether buzzer sounds correctly.
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SE-G1/PCR-T273/SM-T274 [9] Key Test [Function] Tests if keys are recognized correctly. Each key is assigned with a hard key code. This test checks if correct hard key cords are assigned. All keys except for l and y key may be tested. Pressing y key will terminate the test. [Operation] Command : 9 4 k (1) Press any key to display a hard key code assigned to the key on the 7-Segment.
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SE-G1/PCR-T273/SM-T274 5. PCB LAYOUT 5-1.
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SE-G1/PCR-T273/SM-T274 5-2.
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SE-G1/PCR-T273/SM-T274 6. EXPLODED VIEW/PARTS LIST MODEL : SE-G1/PCR-T723/SM-T274 (EX-256) 6-1. EXPLODE VIEW................................................................................................ 28 6-2. PARTS LIST....................................................................................................... 30 6-3. DRAWER S-type (DL-1335/1844/1845)............................................................ 33 6-4 DRAWER M-type (DL-2816/2817)..................................
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SE-G1/PCR-T273/SM-T274 6-1.
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SE-G1/PCR-T273/SM-T274 MAIN-UNIT 29 26 S6 30 32 28 33 24 31 16 35 16 S3 S-type S3 M-type 34 27 S3 17 KEY-BOARD-ASSY S5 25 49 S3 50 21 S3 22 45 44 20 47 S3 43 19 S4 51 S7 18 48 42 DISPLAY 23 40 46 41 PCB ASSY/E256-1 S4 S8 37 36 38 18-1 39 S3 – 29 – FUSE
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SE-G1/PCR-T273/SM-T274 6-2. PARTS LIST 1 SE-G1SB 2 SE-G1SD 3 SE-G1SG N 4 SE-G1SA 5 SE-G1SK 6 SE-G1T Item Code No.
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SE-G1/PCR-T273/SM-T274 1 SE-G1SB 2 SE-G1SD 3 SE-G1SG N 4 SE-G1SA 5 SE-G1SK 6 SE-G1T 7 SE-G1MB 8 SE-G1MG 9 SE-G1MA 10 SE-G1MK 11PCR-T273 12SE-G1SC Item Code No.
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SE-G1/PCR-T273/SM-T274 1 SE-G1SB 2 SE-G1SD 3 SE-G1SG N 4 SE-G1SA 5 SE-G1SK 6 SE-G1T Item Code No.
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SE-G1/PCR-T273/SM-T274 6-3.
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SE-G1/PCR-T273/SM-T274 PARTS LIST 1 2 3 N N DL-1335 DL-1844 DL-1845 Item Code No.
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SE-G1/PCR-T273/SM-T274 6-4.
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SE-G1/PCR-T273/SM-T274 PARTS LIST 1 DL-2816 2 DL-2817 N Item Code No.
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Ver.1 : Jun. 2013 • Correction of the EXPLODED VIEW (P33) • Correction of the PARTS LIST (P34) CASIO COMPUTER CO., LTD.