Casio PCR-T280, Service Manual

Page 1: ...SERVICE MANUAL without price ELECTRONIC CASH REGISTER JULY 2009 SE S10 PCR T280 PCR T280L PCR T290L EX 276 ...

Page 2: ...nitialization 2 3 Disassembly 3 4 DIAGNOSTIC OPERATION 8 5 TROUBLESHOOTING 29 6 CIRCUIT EXPLANATION 31 7 PCB LAYOUT 33 8 CIRCUIT DIAGRAMS 35 9 PARTS LIST 40 CAUTION RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS ...

Page 3: ...ttery Back up period Battery life Mangan Battery UM 3 or R6P SUM 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 Main components 11111 CPU Name Number of control bit UPD70F3737GC UEU AX 32 bit Printer Name Method Number of dots line Paper roll LTP225B C192 E Thermal line dot printing 192 dot line 58 m...

Page 4: ...xplosion Be sure to replace with the correct type of battery Dispose of used batteries according to the instruction Please replace the Backup Memory Battery once a year 1 Remove the printer cover 2 Open the battery compartment cover 3 Load 2 new UM 3 or R6P SUM 3 type batteries into the compartment Be sure that the plus and minus ends of each battery are facing in the directions indicated by the i...

Page 5: ...eral kinds of them It is recommended to sort them as shown in the right illustration when disassembling See the flowchart below for the order of disassembling the major components A UPPER CASE B MODE KEY SW ASSY C PCB ASSY E276 1 PCB E276 PR PCB E PRINTER UNIT D DISPLAY ASSY F KEY BOARD ASSY ...

Page 6: ...ASE A 1 Remove the Printer Cover A 2 Press the Printer Open Key and open the Platen Arm A 3 Undo one screw S1 Printer Open Key Screw S1 Drawer Cable A 4 Remove the Upper Case A 5 Remove the Drawer Cable Platen Arm ...

Page 7: ...ew S2 FFC C PCB ASSY E276 1 and E276 PR PCBs C 1 Remove two FFCs and two connectors C 2 Undo two screws S1 and remove the E276 1 PCB C 3 Remove one connector S1 and undo one screw S1 C 4 Remove the FFC and remove the E276 PR PCB Connectors Connector FFCs E276 PR PCB E276 1 PCB Screws S1 FFC Screw S1 ...

Page 8: ... 6 D DISPLAY ASSY D 1 Remove the Display Cover D 2 Remove the Back Segment LCD D 3 Remove two hooks and then the Front Segment LCD Hooks C 4 Remove the FFC and remove the E276 PR PCB ...

Page 9: ...KEY BOARD ASSY F 1 Undo seven screws S1 S2 and remove the Key Board ASSY Screws S2 Screws S1 Screws S2 F 2 Undo two screws S4 and disassemble the Key Board ASSY CHASSIS FFC SPACER COMMON SHEET CAP L PLATE L KEY TOP L KEY TOP L PLATE S KEY TOP S RUBBER C FRAME KB CAP S Screws S4 Screw S1 ...

Page 10: ...is terminated the device prints out the following For the number of test to perform you may select once or infinite loop ESC 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 To forcibly terminate the infinite loop press C Clear or turn the Mode Switch to OFF If a test result fails...

Page 11: ...TEST pn330 17 PRINT EVALUATION TEST 430 18 DATE TIME SETTING CHECK 070 DATE TIME SETTING CHANGE 19 DATE TIME SETTING CHANGE hhmmss0070 BUZZER TEST 20 DRAWER OPEN TEST n091 21 BUZZER TEST n092 22 KEY TEST 94 About Batch Test A Batch Test performs the following tests DISPLAY ROM CHECK SUM PRINT DATE TIME BUZZER DRAWER OPEN ISSUE RECEIPT About Memory Test The Memory Test is performed by each device M...

Page 12: ... status PAD terminal status PAC 13 Plugged Unplugged Mode Switch Status Display Status 1 Programming PGM 2 Refund RF 3 Register REG 4 Calculator CAL 5 Read X 6 Reset Z Battery Level Printer Head Paper Status Display Status Display Status OFF Battery level Normal OFF Head is down paper remaining ON Battery level Low or 0 ON Head is up no paper remaining PAD Terminal Status PAC 13 Plugged Unplugged ...

Page 13: ...rns ON 2 CHECK SUM TEST Performs the CHECK SUM TEST for the internal ROM 3 PRINT TEST 4 DATE TIME SETTING Configures the preset data Preset data December 31 2009 23 hr 59 min 30 sec 5 BUZZER TEST Sounds one shot buzzer once The result of this test will not be printed or displayed 6 DRAWER OPEN TEST Opens the drawer 7 ISSUE RECEIPT Segment Display PRINT BATCH 1 MASK CHK OK BBBBBBBBBBBBBBBBBBBBBBBB ...

Page 14: ...address and convert the sum to 1 byte data Data will not be written in the following areas The memory used by HANDELR static area The memory used by DIAG stack static areas The code is performed from FLASH ROM Operation Command n 0 1 1 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop If a command to specify the number of times to run the test is omitted the test is performed only once To...

Page 15: ...ate the infinite loop press C Clear or turn the Mode Switch to OFF PRINT RAM 111 RAM WR OK END 111 FLASH ROM CLEAR TEST Notes Be sure to perform FLASH ROM WRITE READ TEST after this test Function Tests if the device clears FLASH ROM correctly Operation Command n 2 1 2 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop If a command to specify the number of times to run the test is omitted t...

Page 16: ...med only once To forcibly terminate the infinite loop press C Clear or turn the Mode Switch to OFF PRINT RAM 12 RAM WR OK END 12 FLASH ROM CLEAR WRITE READ TEST Function Clears FLASH ROM writes data and reads the data This test also checks if the device wrote and read the data correctly Operation Command n 3 1 2 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop If a command to specify the...

Page 17: ...F PRINT RAM 518 RAM WR OK END 518 RAC CLEAR TEST Notes Proper operation is not guaranteed for the internal data and main device of RAC used in this test Be sure to perform RAC WRITE READ TEST after this test Function Tests if the device clears RAC correctly Operation Command n 2 1 4 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop If a command to specify the number of times to run the te...

Page 18: ... RAC is connected correctly You may check for all areas by performing RAC CLEAR WRITE READ TEST Operation Command n 0 1 4 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop If a command to specify the number of times to run the test is omitted the test is performed only once To forcibly terminate the infinite loop press C Clear or turn the Mode Switch to OFF PRINT RAM 14 RAM WR OK END 14 ...

Page 19: ...re this test Function Tests if the device reads RAC data correctly Operation Command n 1 1 4 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop If a command to specify the number of times to run the test is omitted the test is performed only once To forcibly terminate the infinite loop press C Clear or turn the Mode Switch to OFF PRINT RAM 114 RAM WR OK END 114 ...

Page 20: ... data This test also checks if the device wrote and read the data correctly Operation Command n 3 1 4 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop If a command to specify the number of times to run the test is omitted the test is performed only once To forcibly terminate the infinite loop press C Clear or turn the Mode Switch to OFF PRINT RAM 314 RAM WR OK END 314 ...

Page 21: ...nt turns on and off correctly Operation Command 2 2 1 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop Press any key to change the display on the back segment To end this test press C Clear The test result is printed out Front Segment Display Back Segment Display PRINT RAM 221 RAM WR OK END 221 ...

Page 22: ...racters all characters from 0x20 blank space to 0xFD are printed in the order of the character code The character code without actual print out is handled as a blank space n Number of times to run 0 Once 1 9 Infinite loop To forcibly terminate the infinite loop press C Clear or turn the Mode Switch to OFF PRINT PRT 30 BBBBBBBBBBBBBBBBBBBBBBBB END 30 The character B is printed If you select all cha...

Page 23: ... determines if dots are printed in the graphic pattern 0 is for no dot printing 1 is for dot printing n Number of times to run 0 Once 1 9 Infinite loop If you select Infinite loop printing repeats unless it is forcibly terminated To forcibly terminate the infinite loop press C Clear or turn the Mode Switch to OFF Segment Display PRINT Repeats a pattern for a 28 dot line alternately in the order be...

Page 24: ...e to run Infinite loop Example Print Out 1 0 8 5 1 7 0 1 1 3 0 SUBTOTAL Graphic pattern 1 085 8 bit 0101 0101 Graphic pattern 2 170 8 bit 1010 1010 Number of time to run Infinite loop Example Print Out 1 2 5 5 2 5 5 1 1 3 0 SUBTOTAL Graphic pattern 1 255 8 bit 1111 1111 Graphic pattern 2 255 8 bit 1111 1111 Number of time to run Infinite loop ...

Page 25: ...FF Segment Display PRINT When a specified dot rate is 6 dot line In one 28 dot line all dots are printed in the first 6 dot line PRT 330 END 330 All dots in the first 6 dot line No print out in the following 22 dot line When a specified dot rate is 10 dot line In one 28 dot line all dots are printed in the first 10 dot line PRT 10330 END 10330 All dots in the first 10 dot line No print out in the ...

Page 26: ...rmed once Operation Command 4 3 0 SUBTOTAL PRINT PRT 330 8 P h i j k l mn o p q r s t u vw QRSTUVWXYZ _ a b c d e f g 9 ABCDEFG H I J KLMNO 0 1 2 3 4 5 6 7 END 330 One line is printed in a stair like shape One line feed Characters from 0x30 to 0x8F are printed in 3 lines Details of Stair like Print Out One line 28 dots 48dots 6 dot line 48dots 6 dot line 48dots 6 dot line 48dots 10 dot line ...

Page 27: ...tings see DATE TIME SETTING CHANGE To terminate this step press C Clear or turn the Mode Switch to OFF Commands are printed out when the check ends Operation Time Command 0 7 0 SUBTOTAL Date Command 1 7 0 SUBTOTAL Segment Time Example 12 34 56 seconds Date Example August 1 2009 PRINT Time DATE TIME 70 ESC END 70 Date DATE TIME 170 ESC END 170 ...

Page 28: ...TING CHECK Operation Double lined boxes show the command displayed on the 7 Segment Time Command h h m m s s 0 0 7 0 SUBTOTAL hh Hour mm Minutes ss Seconds Date Command y y m m d d 0 1 7 0 SUBTOTAL yy Year mm Month dd Day PRINT Time Example 12 34 56 seconds DATE TIME 1234560070 TIME 12 34 30 END 1234560070 Command entered New setting for the time Command entered Date Example August 1 2009 DATE TIM...

Page 29: ... Function Tests whether buzzer sounds correctly The result of this test is not printed out An operator must be present during this step to determine the result Operation Command n 0 9 2 SUBTOTAL n Number of times to run 0 Once 1 9 Infinite loop If a command to specify the number of times to run the test is omitted the test is performed only once If you select once one shot buzzer sounds If you sel...

Page 30: ...termine the result Operation Command 9 4 SUBTOTAL 1 Press any key to display a hard key code assigned to the key on the 7 Segment Example of Display on 7 Segment 2 To check if the number displayed on the 7 Segment is correct refer to the Hard Key Code Chart 3 When all keys are tested press C Clear to end the test Commands are printed out when the check ends Hard Key Code Chart FEED C AC 000 001 00...

Page 31: ...king report Using X mode to take out reports Use Z mode to take out reports 9 Programming is lost whenever register is unplugged or there is a power outage Bad or no batteries Put in new batteries 10 Register is inoperative Can t get money out of drawer No power Pull lever underneath register at rear In case of power failure 55555 If the power supply to the cash register is cut by a power failure ...

Page 32: ... of the batteries loaded in the unit is below a ceratain level The batteries loaded in the unit are dead To clear this sign press AC C key Important Whenever the low battery indicator appears on the display load a set of 2 new batteries as soon as possible If there is a power failure or you unplug the cash register when this indicator appears you will lose all of your sales data and settings BE SU...

Page 33: ...AGRAM 66666 Thermal PRINTER UNIT Winder Motor PWB E276 E22 Feed Motor MODE KEY PWB E274 E3 PWB E276 E2 E270 E4 FPC DrySel Battery V850 JG3 L SRAM 256 kbit FROM 2 Mbit RAC12 socket AC Adaptor PWB E276 PR DRAWER UNIT RAC1 32 Mbit PWB E276 1 ...

Page 34: ...trol Drive Drive KC0 3 KC4 KI0 7 3 line serial Common Chip selection Chip selection Drive Sensor Motor drive stb drive SRAM 256kB Data backup Main display only Transaction Main display and Rear display 14 SEG LED LED KC4 KI4 KI7 SWITCH KC0 KC3 MODE COM KI0 KI7 KEY SHEET Journal and Journal Thermal printer Journal Volume removing Wide motor Serial FROM 2MB EJ 256kB Serial FROM 32MB RAC12 4MB Drawer...

Page 35: ... 33 PCB LAYOUT 777 E276 1 PCB E276 PR PCB ...

Page 36: ... 34 E276 E2 PCB Main display E276 E22 PCB Rear display ...

Page 37: ... 35 CIRCUIT DIAGRAMS 888 MODEL SE S10 PCR T280 PCR T280L PCR T290L EX 276 CONTENTS 1 MAIN PCB CIRCUIT 36 2 MAIN DISPLAY CIRCUIT 37 3 REAR DISPLAY CIRCUIT 38 4 PRINTER I F CIRCUIT 39 ...

Page 38: ... 36 Model Name Board No Drawing No RJE503230D303 MIAN BOARD EX 276 E276 1 CASIO COMPUTER CO LTD ...

Page 39: ... 37 Model Name Board No Drawing No RJE503230D305 MIAN DISPLAY BOARD EX 276 E276 E2 CASIO COMPUTER CO LTD ...

Page 40: ... 38 Model Name Board No Drawing No RJE503230D306 REAR DISPLAY BOARD EX 276 E276 E22 CASIO COMPUTER CO LTD ...

Page 41: ... 39 Model Name Board No Drawing No CASIO COMPUTER CO LTD RJE503230D404 PRINTER I F BOARD EX 276 E276 PR ...

Page 42: ...cations are subject to change withput prior notice 2 As for spare parts order and supply refer to the GUIDEBOOK for Spare Parts Supply published separately 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 Remarks Q ty Quantity used per unit RANK A Essential B Stock recommended C Less recommended X No stock recommende...

Page 43: ... 41 EXPLODED VIEW KEY BOARD ASSY BATERY BOX 1 6 15 13 16 8 9 3 7 10 23 25 12 17 27 29 18 33 32 31 11 28 5 4 2 14 19 24 22 S1 20 30 S2 21 S2 S2 S2 S1 S3 S2 S2 S2 S1 26 S1 S2 ...

Page 44: ... 42 44 42 41 45 43 40 41 44 43 42 41 40 35 S4 36 37 38 34 39 45 ...

Page 45: ...TERY RJE502622 001V01 1 1 1 1 1 1 1 1 1 1 1 1 1 C N 16 10350060 SUB ASSY BAT CABLE RJE503227 001V02 1 1 1 1 1 1 1 1 1 1 1 1 1 C N 17 10347321 MOUNT MOTOR RJE503259 001V01 1 1 1 1 1 1 1 1 1 1 1 1 1 C N 18 10240554 ASSY MOTOR E441295 003V01 1 1 1 1 1 1 1 1 1 1 1 1 1 A N 19 10347330 MOUNT PCB RJE503260 002V01 1 1 1 1 1 1 1 1 1 1 1 1 1 C N 20 10347323 SUPPORT PCB RJE503267 001V01 1 1 1 1 1 1 1 1 1 1 1...

Page 46: ...7 SPACER RJE501103 001V03 1 1 1 1 1 1 1 1 1 1 1 1 1 C 38 10335956 SHEET COMMON RJE501100 001V02 1 1 1 1 1 1 1 1 1 1 1 1 1 B 39 10193646 SPRING PRESS B E272 E441298 002V03 4 4 4 4 4 4 4 4 4 4 4 4 4 C 40 10193645 SPRING PRESS A E272 E441298 001V03 5 5 5 5 5 5 5 5 5 5 5 5 5 C 41 10167457 RUBBER CONTACT RJE501209 002V01 30 30 30 30 30 30 30 30 30 30 30 30 30 B 42 10324975 KEY TOP S RJE502974 001V01 25...

Page 47: ... 45 DRAWER S type DL 1334 DL 1843 DL 1334 DL 1843 16 17 18 19 1 14 15 1 4 1 1 W1 W1 S3 N1 N1 S3 4 2 3 9 6 S2 7 8 S1 5 S5 S5 S5 S1 10 20 13 S4 S4 11 11 12 12 13 N2 N2 ...

Page 48: ...10231349 SUB ASSY BILL HOLDER RJE501337 002V03 1 AR X 12 10231347 SUB ASSY BILL HOLDER RJE501337 001V03 1 AQ X 13 10276626 SPRING BILL HOLDER E441357 001V03 4 3 AA A 14 10238184 RIVETS COLD HEADED T CRTP 5X26Z3 1 1 AA X 15 55801452 CS FIX CSTW 5 1 1 AA X 16 10120527 SUB ASSY CAM LOCK CL 16C 1 1 BA C 17 10298558 CASE COIN RJE500212 002V04 1 1 AO C 18 10298552 SEPARATER COIN RJE500213 002V03 4 4 AA ...

Page 49: ... 47 DRAWER M type DL 2811 DL 2812 16 3 S1 S1 S2 11 7 S1 8 24 S1 6 9 9 4 N1 N2 N1 5 10 12 S3 15 13 1 14 2 2 W2 W2 S3 S6 10 2 W1 20 20 S4 S4 S4 19 21 22 23 17 18 S5 S4 S4 S4 19 23 17 18 S5 DL 2811 DL 2812 ...

Page 50: ...RJE502991 001V01 1 1 C 16 10200516 BILL COIN CASE ASSY RJE501368 004V01 1 BW C 16 10225530 BILL COIN CASE ASSY RJE501368 006V01 1 C 17 10230104 SUB ASSY BILL HOLDER E341290 002V04 4 4 AC A 18 10276626 SPRING BILL HOLDER E441357 001V03 4 4 AA A 19 10194233 PLATE BILL HOLDER E240845 001V02 1 1 AK X 20 10298566 CASE BILL RJE500367 002V02 1 X 20 10298565 CASE BILL E140505 002V03 1 BK X 21 10298559 CAS...

Page 51: ...CASIO COMPUTER CO LTD Overseas Service Division 6 2 Hon machi 1 Chome Shibuya ku Tokyo 151 8543 Japan ...