Casio CE-T300 Service Manual
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Casio CE-T300 Service Manual

Casio CE-T300 Service Manual

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SERVICE MANUAL
(without price)
ELECTRONIC CASH REGISTER
CE-T300
(EX-479A*
)
APR. 2000
Printer Model : LTP4242B-C432
INDEX

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Summary of Contents for Casio CE-T300

  • Page 1 SERVICE MANUAL (without price) ELECTRONIC CASH REGISTER CE-T300 (EX-479A* APR. 2000 Printer Model : LTP4242B-C432 INDEX...

  • Page 2: Table Of Contents

    6-7. Printer drive circuit ....................14 6-8. RS232C port COM1 circuit ..................15 6-9. Keyboard selection switch (Not mounted for CE-T300) ........15 6-10. Flash ROM pack circuit (Memory Cassette RAC-9) ..........15 6-11. To mount optional circuit ..................16 1) Clerk key circuit ......................

  • Page 3: Specifications

    1. SPECIFICATIONS (CE-T300) 1-1. Electrical specifications 120V 220V 230V 240V • Power consumption In operation Max. 0.7 A 0.4A 0.4A 0.4A Min. 0.3 A 0.2A 0.2A 0.2A Power OFF 0.3 A 0.2A 0.2A 0.2A • Memory protection Back-up battery VL3032/1F2 Back-up period 90 days (25 °C)
  • Page 4 1-4. Drawer List DRAWER NAME Specification NOTE • DL-2766 (M type) D-9BC-B84M-9* EUROPE, Saudi-Arabia, Other countries • DL-2767 (M type) D-9BC-B84SM-9* UK, Germany • DL-3617 (L type) D-11BH-B65-9* Saudi-Arabia 1-5. Option List DEVICE NAME MODEL NOTE • RAM Chip RAM-610-10LL Capacity 4Mbits (512 Kbytes) •...

  • Page 5: Initialize (Mac) Operation

    2. INITIALIZE (MAC) OPERATION (CE-T300) 1. Plug the power cord into an AC outlet. 2. Set the mode switch to "OFF" position. 3. While pressing the Journal feed Button, turn the mode switch to "PGM" position. 4. Release the Journal feed button.

  • Page 6: Block Diagram

    4. BLOCK DIAGRAM 4-1. PCB CONNECTION (CE-T300) TYPE — 4 —...
  • Page 7 4-2. BLOCK DIAGRAM (CE-T300) Thermal Printer Thermal Printer Auto paper cutter LTP4242B-C432 LTP4242B-C432 ACU2224C-A (Receipt side) (Journal side) LED display LED customer Keyboard display Driver Printer COM1 driver circuit LED driver and Key control Address bus A8 - A19 uPD784215GC-175-8EU...

  • Page 8: To Open The Upper Case

    5. TO OPEN THE UPPER CASE 1. Open the printer cover. Then, remove the ribbon cover from the machine. Open the printer cover. Remove the ribbon cover. 2. Remove the 2 screws of the upper case. Remove the 2 screws. 3.
  • Page 9 5. The each parts of the Main PCB are located as shown in the picture. Note: RAM2 is not used for CE-T300. Printer cables Flash ROM 1 (2 M bytes) Reset Switch Battery Display cable Buzzer Power supply connector RAM 4...

  • Page 10: Circuit Explanation

    The power supply circuit provides the following voltage for the main circuit. Output Pin No1----- VC1 (DC32.3V): To the VC line for the Display power. (Not used for CE-T300) Output Pin No.2---- VC2 (DC24V): To the Vp line for the printer power.

  • Page 11: Reset And Power Down Circuit

    6-2. Reset and powe down circuit The rest and power down circuit are as following circuit. The reset switch is provided for the hard reset to cleare the system error. Use this switch only when the FMAC or MAC are not possible to perform.

  • Page 12: Cpu Description

    CPU pin description(uPD784215GC-175-8EU) Pin No. Signal Name Description In/Out 1 P120 VP ON Thermal printer VP ON signal 2 P121 CROM IN Flash ROM pack in signal 3 P122 MOTOR E(R) Receipt printer motor E drive signal 4 P123 MOTOR E(J) Journal printer motor E drive signal 5 P124 MOTOR A(J)
  • Page 13 Pin No. Signal Name Description In/Out 51 P83 Bank selection RB3 52 P84 RB4/CB1 Bank selection RB4/CB1 53 P85 FB0/CB2 Bank selection FB0/CB2 54 P86 Bank selection FB1 55 P87 Connected to GND 56 P40 Data/address bus D0/A0 In/Out 57 P41 Data/address bus D1/A1 In/Out 58 P42...

  • Page 14: Momory Chip Selection Circuit

    6-4. Memory chip selection circuit The RAM chip select signals made by the following circuit. There are 4 chip enable signal lines for RAM selection and 3 chip enable signal lines for Flash ROM selection (including Memory cassette). RAM1 CE is for RAM 1 chip enable signal.

  • Page 15: Flash Rom1 Address Circuit

    6-5. Flash ROM1 address circuit The Flash ROM1 address signals FA17 to FA20 are made by the following circuit. The Flash ROM1 (LH28F016SCT-L95, 16M bits) is used for the application program. Flash ROM1 (16M bits) CPU address BANK port Flash memory address NOTE A19 A18 A17 FC2 BANK...

  • Page 16: Printer Drive Circuit

    40000h Bank0 Bank1 Bank2 Bank3 Bank4 Bank5 Bank6 Bank7 Bank8 Bank9 Bank10 Bank11 Bank12 Bank13 Bank14 Bank15 Bank16 Bank17 Mask ROM Banked area RAM2 and RAM4 are not used for CE-T300. area (CG) 64 K bytes 1 M bytes Flash2...

  • Page 17: Rs232C Port Com1 Circuit

    6-9. Keyboard selection switch (Not mounted for CE-T300) The main PCB has the keyboard selection switch to detect the keyboard type. For the model CE-T300, the switch is not mounted. It is fixed as a stroke key type. Keyboard selection switch (Not mounted for CE-T300) 6-10.

  • Page 18: To Mount Optional Circuit

    6-11. To mount optional circuit The following optional circuits are provided for model CE-T300. 1. Clerk key circuit 2. Multi-drawer circuit 3. Paper near end sensor circuit 1) Clerk key kit NOTE: This circuit is mounted from factory for the destination Germany.
  • Page 19 1-5. Cut off the masking plate of clerk key unit of lower case. Then, set the clerk key case and unit to the lower case. Connect the connector cable to the Main PCB. Lower case Fix the FG wire from cleark key unit this position.

  • Page 20: Multi-Drawer Circuit

    2) Multi-drawer kit (CE-T300 only Drawer 2) 2-1. Prepare the following parts kit for multi-drawer circuit. The parts kits are supplied from sales division. MDL-10 Multi-drawer kit 2-2. Check whether the parts of clerk kit are as follows: Code No. Parts Name...

  • Page 21: Paper Near End Sensor Circuit

    3) Paper near end sensor curcuit 3-1. Prepare the following parts for paper near end sensor circuit. The individual parts are supplied from Spare parts sales department of CASIO TECNO. Code No. Parts Name Specification Q'ty 19076948 Paper end sensor...

  • Page 22: Diagnostic Operation

    7. DIAGNOSTIC OPERATION 7-1. To start the diagnostic program 1. Plug the power cord into an AC outlet. 2. Set the mode switch to "OFF" position. 3. While pressing the "Jounal feed " button, turn the mode switch to "PRG" position. 4.

  • Page 23: Switch Status Test

    7-4. Switch status test Press "C" button or changing the switch condition,the switch status is appeared on the transaction place of the display. The clerk key switch condition is showen at the 6 and 7 digit number's place of display. For the clerk button model, the pressed LED will light on. [DISPLAY] Allways off Journal head sensor...

  • Page 24: Individual Function Test

    Function X : 0= Automatic RAM capacity detection 1= RAM1 (128K) test only 3= RAM3 (512K) test only NOTE: RAM2 and RAM4 are not used for CE-T300 . [PRINT] [DISPLAY] NOTE : In case of error, the following error message will be printed.
  • Page 25 2) Print aging test (R/J printer) This test will check the R/J printer continuously until pressing some key button or turn off the mode switch. Operation : n1 #2 Key X: 0= Print 45 times test pattern without paper cut in a minute. 1= Print 15 times test pattern with paper cut in a minute.
  • Page 26 4) Flash1 ROM check This test will check the Flash 1 ROM. This test will print the version name and check sum on the receipt as shown in sample print. When using several bank, the each version name and check sum will be printed after this sample data. Operation : #2 Key [PRINT]...
  • Page 27 This test will check the Flash 2 ROM and Flash pack. This test will perform the erase, write, and verify check. Operation : #2 Key s: 0= Select Flash2 (Not used for CE-T300) 1= Select Flash pack X: 5= Test by one block (64 bytes) Select the block by the Number n (from 0 to 7).
  • Page 28 Thie device signature code (Maker code, device code) and write protect information will be printed on the receipt. [PRINT] Operation : #2 Key s: 0= Select Flash2 (Not used for CE-T300) 1= Select Flash pack 2= Select Flash1 [DISPLAY] Segment display...
  • Page 29 10) RAM read only check This test will check the read only check for RAM. Perform the RAM check (EX: command "1 and #2 " ), before start of this operation. Operation : #2 Key X: 0= One time check. 1= Continuous check.
  • Page 30 12) RS232 port check This test will check the RS232 port. Connect the loop back connector before operate this check. Operation : #2 Key m: 0= One time loop check 1= Loop check continuously 2= One time loop check (Ignore the CD,CI signals. Only COM1 port) 3= Loop check continuously (Ignore the CD,CI signals.
  • Page 31 13) Print check This test will check the print test. Operation : #2 Key r: 0= One time check 1= Continuously check (NOTE1) s: 0= Receipt/Journal print mutually 1= Receipt print only 2= Journal print only NOTE1: To stop this test, press any key or set the mode switch to OFF position. [PRINT] [DISPLAY] 14) All charactor print check...
  • Page 32 NOTE: When use the command ptrint and display, press #1 key (Cash AMT tender key) to display and print the next line. To stop this test, press any key or set the mode switch to OFF position. [PRINT] [DISPLAY] 15) Time and date display test The machine will display the time .
  • Page 33 Opeartion : 6 #2 b: 0= Flash 1 (BANK 0) application only n (1 to 4)= Down load the each file in the Bank 1 to n of the flash 1 to make the each bank area for the application software. NOTE: To make the additional down load operation, use the always 16 Mbits flash pack.

  • Page 34: To Exit The Diagnostic Mode

    Test procedure 1) Operate the send machine first. The send machine will wait the "C" signal (send request) reception from the reception machine. The send machine will wait the send request signal about 30 seconds. When it is over 30 seconds, the time out error will be printed on the receipt. 2) Operate the reception machine.

  • Page 35: Error Code List

    8. ERROR CODE 8-1.Operation error code When an error condition is generated, one of the following error codes (E001 – E153) is displayed to indicate the cause of the error and the corrective action. i t i z i l s t i i t t z i l...

  • Page 36: Ic Data

    9. IC DATA 1. BA10393F-E2 2. BA12003BF-E2 3. HA17431PA 4. HD74LVC244ATELL Don't care High impedance - 34 -...
  • Page 37 5. HD74LVC245ATELL Don't care High impedance 6. HD74LVC374ATELL 7. HIN211CA-T - 35 -...
  • Page 38 8. HY628100ALLG-70 9. L6219DS (Stepper motor driver) OUT1A Vs (LOAD SUPPLY) OUT2A SENSE1 SENSE2 COMP, INPUT1 COMP, INPUT2 OUT1B OUT2B PHASE1 PHASE2 VREF1 VREF2 Vss (LOGIC SUPPLY) - 36 -...
  • Page 39 10. LC7932M-TE-R 11. LH28F016SCT-L95A - 37 -...

  • Page 40: Block Diagram

    12. LM2576HVT-5.0LB03 13. M66300FP-201 BLOCK DIAGRAM BITS SELEC- Output of shift register 8bit shift DATA PORT DECODER register RESET Selector Command/ Data Input Comparator Input LATCH Chip select Counter controller Counter for read for write Write input SDATA Command register SCLK bit/byte converter Shift clock output...
  • Page 41 14. S-80823ANNP-EDL/S-80835ALNP-EAZ (2) CMOS active low output (1) Nch open drain active low output S-808XX AX XX - - T2 Tape spec. IC direction Production short No. Package No. NP: SC-82AB MP: SOT-23-5 UP: SOT-89-3 Y: TO-92 Output N: Nch open drain (Active "L") L: CMOS (Active "L") Detection Voltage X 10 times 15.
  • Page 42 18. SN74LV08APWR 19. SN74LV10APWR 20. SN74LV138APWR - 40 -...
  • Page 43 21. SN74LV139APWR 22. SN74HC157APWR 23. SN74HC164APWR - 41 -...
  • Page 44 24. SN74LV165APWR 25. SN74LV174PWR - 42 -...
  • Page 45 26. SN74LV244APWR 27. SN74LV27APWR 28. SN74LV32APWR - 43 -...
  • Page 46 29. SN74LV74APWR 30. TA8429H Control circuit Heat protection circuit Over current protection INPUT OUTPUT OUTPUT MODE Brake Reverse rotation Positive rotation High impedance Stop High impedance Stand by - 44 -...

  • Page 47: Pcb Layout

    10. PCB LAYOUT MAIN PCB E479-1 B (Front side) - 45 -...
  • Page 48 MAIN PCB (Back side) - 46 -...

  • Page 49: Circuit Diagram

    11. CIRCUIT DIAGRAM MODEL : CE-T300 (EX-479A* ) CONTENTS 1. LOCATION OF PRINTED CIRCUIT BOARD..............48 2. MAIN PCB CIRCUIT ......................49 2-1. MAIN PCB CIRCUIT (1/6) ..................49 2-2. MAIN PCB CIRCUIT (2/6) ..................50 2-3. MAIN PCB CIRCUIT (3/6) ..................51 2-4.
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  • Page 67: Parts List

    3. The numbers in item column corespond to the same numbers in drawing. 4. CASIO does not supply the spare parts without parts code. 5. The spare parts of the printer and auto-cutter will be supplied by the only complete unit.

  • Page 68: Explode View

    CE-T300 EXPLODED VIEW - 66 -...
  • Page 69 CE-T300 EXPLODED VIEW - 67 -...

  • Page 70: Main Pcb Block

    PARTS PRICE LIST CE-T300 Item Code No. Parts Name Specification Q'ty Price Code Rank Saudi- Europe Germany Arabia 1. Main PCB block 10012632 PCB ASSY/E479-1 E340958*1 30007777 FUSE 230.6 IC1, 9 10005721 IC/MOS SN74LV244APWR IC10 21145832 IC/DRIVER TA8429H IC12, 40...

  • Page 71: Main Display Block

    Item Code No. Parts Name Specification Q'ty Price Code Rank Saudi- Europe Germany Arabia R17, 22, 51 27960791 RESISTOR/CHIP RC1608-104-J-T 27964950 RESISTOR/CHIP RC1608-132-J-T R20, 29, 34, 36, 39, 52 27960714 RESISTOR/CHIP RC1608-102-J-T R21, 24 27963339 RESISTOR/CHIP RC1608-561-J-T 27961680 RESISTOR/CHIP RC1608-332-J-T R27, 30, 37, 40 27963990 RESISTOR/CHIP...

  • Page 72: Power Supply Block

    Item Code No. Parts Name Specification Q'ty Price Code Rank Saudi- Europe Germany Arabia 62457290 BUTTON/6 E311792-5 62457300 BUTTON/7 E311792-6 62457310 BUTTON/8 E311792-7 62457320 BUTTON/9 E311792-8 62471478 FILLER/BUTTON E311197-2 62481295 SPACER E340738-1 62158913 CONNECTOR/FASTEN E32406-2 CHASSIS/KEYBOARD E340739-1 FRAME/KEYBOARD E140249-1 DEP11 62481425 PLATE/S E240526-31...

  • Page 73: Clerk Switch Circuit

    Item Code No. Parts Name Specification Q'ty Price Code Rank Saudi- Europe Germany Arabia SCREW 3X8 ZMC-3 SCREW 3X8 ZMC-3 SCREW 3X5 ZMC-3 SCREW 3X8 ZMC-3 37180035 WIRE/J IPS-1009-2 6. Clerk switch circuit 24088399 GL3EG8 34121029 SW/TACT SKHHAL 24088400 CONNECTOR HLW24R-2C7 PCB/E445-E6 E340798-1...

  • Page 74: Others

    Item Code No. Parts Name Specification Q'ty Price Code Rank Saudi- Europe Germany Arabia 62481307 ROLLER/PAPER FEED E440683-1 62481308 PLATE/REINFORCE E440696-1 62481685 SHAFT/CONNECTION E440769-1 62481821 PLATE/JOURNAL PRINTER FIXING E340755A-1 62481914 STAND/WRITING E440677B-1 62481935 SHAFT/ROLLER E440680B-1 62481483 CONNECTOR SUB ASSY/PHDR E440717*1(J/S) 62481484 CONNECTOR SUB ASSY/PHDR E440717*2(R/S)

  • Page 75: Drawer

    12. DRAWER DL-2766 (M type) Europe,Saudi-Arabia, Other countries - 73 -...
  • Page 76 DL-2766 (M type) Europe, Saudi-Arabia, Other countries Item Code No. Parts name Specification Q'ty Price Code RANK 19061309 CHASSIS/BOTTOM 264D-1101 55000619 ROLLER/DERLIN DR-19-B1 55000878 ROLLER/DERLIN DR-19-B2 19079682 WASHER SW-M6 19077150 NUT HN-M6 19081339 BRACKET/LOCK 37A-B150 19061304 SOLENOID 262A-S153 94870398 SCREW CPS-M3X5 19064012 BRACKET/SHAFT GUIDE 37A-1503...

  • Page 77: Dl-2767 (M Type) Uk, Germany

    DL-2767 (M type) UK, Germany - 75 -...
  • Page 78 DL-2767 (M type) UK, Germany Item Code No. Parts name Specification Q'ty Price Code RANK 19061309 CHASSIS/BOTTOM 264D-1101 55000619 ROLLER/DERLIN DR-19-B1 55000878 ROLLER/DERLIN DR-19-B2 19079682 WASHER SW-M6 19077150 NUT HN-M6 19081339 BRACKET/LOCK 37A-B150 94870387 SOLENOID 262A-S154C 94870400 TIE/INSULOCK P12-1555 94870395 BRACKET/SHAFT GUIDE 808R-1910 94870397 SCREW CP-M2.3X10...

  • Page 79: Dl-3617 (L Type) Saudi-Arabia

    DL-3617 (L type) Saudi-Arabia - 77 -...
  • Page 80 DL-3617 (L type) Saudi-Arabia Item Code No. Parts name Specification Q'ty Price Code RANK 19077935 LOCK ASSY ZD00280-0 19060672 NUT M4XP0.7 94870384 LABEL DL-3617 19079613 WIRE/FG ZD31670 19070223 CONNECTOR 1625-03PI 19027112 GROMET 19027076 SPRING ZD01370B 19026829 RUBBER/DAMPER K2320 19070234 SCREW/TAPPING M4X16 19026842 ROLLER/DERLIN DR-19B...
  • Page 81 CASIO TECHNO CO.,LTD. Overseas Service Division Nishi-Shinjuku Kimuraya Bldg. 1F 5-25, Nishi-Shinjuku 7-Chome Shinjuku-ku, Tokyo 160-0023, Japan...

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Ex-479a

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