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SERVICE MANUAL
(with price)
ELECTRONIC CASH REGISTER
110CR/PCR250
(EX-266)
150CR
(EX-267)
JAN. 1995
Printer Model : M42V
INDEX

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Table of Contents

   Summary of Contents for Casio 110CR

  • Page 1 SERVICE MANUAL (with price) ELECTRONIC CASH REGISTER 110CR/PCR250 (EX-266) 150CR (EX-267) JAN. 1995 Printer Model : M42V INDEX...
  • Page 2: Table Of Contents

    CONTENTS Page 1.FEATURES ...................1 2.SPECIFICATIONS ...................1 3.OPTION ...................2 4.MAC OPERATION ...................2 5.BLOCK DIAGRAM ...................3 6.CIRCUIT EXPLANATIONS ................4 6-1. Power supply circuit .................4 6-2. Reset circuit ...................5 6-3. Data communication between CPU and EEPROM .........6 6-4. Printer drive circuit ...................8 6-5. Pin description ...................9 7.DISASSEMBLY .................10...
  • Page 3: Features

    1. FEATURES 150CR Function 110CR PCR-250 150CR (U.S.A.,Canada) Depertment number PLU function Customer display Effective Effective PRG data back up function Effective Effective Calculator function Effective Effective Effective Effective 2. SPECIFICATIONS 110CR/PCR-250 100V 120V 220V 230/240V Power consumption In operation Max.
  • Page 4: Mac Operation

    230/240V Power consumption In operation Max. 0.11A 0.05A 0.06A Stand-by 0.07A 0.04A 0.05A Mode SW OFF 0.06A 0.03A 0.04A Memory protection Same as 110CR Clock and calender Same as 110CR Environment Same as 110CR Printer Same as 110CR Ink roller...
  • Page 5: Block Diagram

    5. BLOCK DIAGRAM Voltage detection Buzzer Reset IC EEPROM Winder Motor drive circuit Printer drive circuit DISPLAY Drawer drive circuit KEYBOARD - 3 -...
  • Page 6: Circuit Explanations

    6. CIRCUIT EXPLANATION 6-1. Power supply circuit 1. Plug the power cord into AC outlet, secondary voltage (9.65VAC) of the power transformer T1 will be appears at "A" point. 2. Then, its AC voltage is rectified by the diode bridge and change it to DC voltage.("B" point) 3.
  • Page 7: Reset Circuit

    Power ON 9.65 VAC 10.52V 5.76V 10.45V 0.78V 0.12V Pulse 5.07V -23.9V Plug out 4.13V 4.30V Voltage level is measured at the following condition. 1. Plug the power cord in AC outlet. 2. Mode switch position : REG, display 0.00 3.
  • Page 8: Data Communication Between Cpu And Eeprom

    6-3. Data communication between CPU and EEPROM EEPROM Pin No.23 CS : Chip enable Pin No.14 SK : Sirial data clock BR93LC46A DI : Serial data input Pin No.15 DO : Serial data outpu Pin No.16 EEPROM is a memory to possible write/erase by electricity . The BR93LC46A privides efficient nonvolatile read/write memory arranged as 64 registers of 16 bits each.
  • Page 9 [Data reading procedure] When the CPU read the dara of EEPROM, CPU send the CS signal and SK signal to EEPROM. Then, CPU send the address to EEPROM, and then EEPROM send the data to CPU. Address Data Output data here [Data writing procedure] When the CPU save the data to EEPROM, CPU sends the CS and SK signal to EEPROM.
  • Page 10: Printer Drive Circuit

    6-4. Printer drive circuit Pin No.44 Pin No.45 Pin No.47 Pin No.62 Pin No.63 When the CPU start printing, CPU send MD signal to rotate motor unit. Then the printer send back the RP(reset pulse),PT and PT (Timing pulse) to CPU. After CPU receive RP,PT andPT, CPU knows the position of printin wheel.
  • Page 11 Mode SW Mode SW AC cord Pin No. Signal In/Out Description Plug off 41 P32/TO2 Mode switch position (REG) 42 P31/TO1 Mode switch position (RF) 43 P30/TO0 Mode switch position (PRG) 44 P03/INTP3/CI0 In Reset pulse RP from printer 45 P02/INTP2 Pulse Sub timimg pulse Pt from printer 46 P01/INTP1...
  • Page 12: Disassembly

    7. DISASSEMBLY 7-1. To open the upper case 1. Take out the printer cover and release the screw A. 2. Pushing the position B and slide the upper case to backward. 3. Lift up the upper case and remove the drawer connector. Screw A Slide this direction Position B...
  • Page 13: Diagnostoc Operations

    8. DIAGNOSTIC OPERATIONS 8-1. To start the diagnostic operation 1. Make MAC operation. 2. Turn the mode switch to PGM position. 3. Input "99999999" and press "SUB TOTAL" key. Note : Do not issue the receipt under REG / RF / X / Z mode before execute the diagnostic. If the machine issued a receipt, the diagnostic does not start.
  • Page 14 8-3. Operations 1. Key code check (Hard key code) When pressing a key, the machine displays the following key code. Key code table FEED Display 0 2 2 022 : Hard key code 2. Switch check Press " C " button, the switch condition is appered on a display. Always 0 No display No display...
  • Page 15 3. Individual test After finishing each test, the machine issues the following receipt. Except US / Canada US / Canada d1 # d1 : Test command No. Sample receipt 1234567890ST# 1. General test Press "1" key and "SUB TOTAL" key. The machine executes the following tests.
  • Page 16 4. Read only test for EEPROM (This test is effected at EEPROM version.) Press "4" key and "SUB TOTAL" key. Execute read check in test area of EEPROM continually. To escape this test, turn the mode switch to "OFF". In case an error happens, the machine beep an error sound and issues an error receipt. Nomal end receipt Error end receipt Except US...
  • Page 17 8. Country code write operation for EEPROM (ADD data) Press "X", "6" and "SUB TOTAL" keys. Write the country code to EEPROM. Note 1 : "X" key is country code. Note 2 : Japan version is accepted code "06" Japan and "96".
  • Page 18: Ic Data

    9. IC DATA 9-1. LB1268 Equivalent circuit 9-2. S-80728AN-Z - 16 -...
  • Page 30: Pcb Layout

    11. PCB PAYOUT...
  • Page 31: Parts List

    - 29 -...
  • Page 32 - 30 -...
  • Page 33 1.MAIN PCB BLOCK FOB Japan Item Code No. Parts Name Specification Version N.R.Yen Unit Price MAIN PCB ASS'Y 6192 4860 Main PCB E266-1ass'y (110CR) E211682*2 U.S.A.,Canada 6192 4870 Main PCB E266-1ass'y (110CR) E211682*3 Europe 6192 4880 Main PCB E266-1ass'y (110CR) E211682*4 U.K.
  • Page 34 FOB Japan Item Code No. Parts Name Specification Version N.R.Yen Unit Price 2807 2735 Electrolytic capacitor RE2-50V4R7M 20 C N C4,7 2807 2315 Electrolytic capacitor RE3-10V101M 12 C 2807 2658 Electrolytic capacitor RE3-25V472M N C20,23,31 2820 3778 TF capacitor ECQ-B1H-103KF C2,16,19,28 2825 0427 TF capacitor...
  • Page 35 2. 2ND DISPLAY BLOCK (150CR ONLY) Display tube PCB connector FFC joiner FOB Japan Item Code No. Parts Name Specification Version N.R.Yen Unit Price E276-E2 ASS'Y (150CR ONLY) 2408 8219 Display tube 10-MT-75GC 540 A 3540 4780 PCB connector IMSA-9604S-20C 75 C 6246 2550 FFC joiner E267...
  • Page 36 3. POWER SUPPLY BLOCK FOB Japan Item Code No. Parts Name Specification Version N.R.Yen Unit Price POWER SUPPLY BLOCK 1 6246 1820 Motor fixing stand E311858-1 79 X 2 6246 2850 Transfoermer cover E311870-1 110 X 3 6220 1746 Winder rubber E410716-1 19 A 4 6246 1980...
  • Page 37 4. KEYBOARD BLOCK - 35 -...
  • Page 38 FOB Japan Item Code No. Parts Name Specification Version N.R.Yen Unit Price KEYBOARD ASS'Y 6192 4830 Keyboard ass'y E211671*2 U.S.A.,Canada 6192 4840 Keyboard ass'y E211671*3 Except U.S.A.,Canada 14 6221 3988 L cap E227 E210964-1 U.S.A.,Canada 23 C 14 6221 3988 L cap E227 E210964-1 Except U.S.A.,Canada...
  • Page 39 39 6246 2750 Common sheet E266 E311856-1 44 B 40 6246 2760 Spacer E266 E311857-1 16 B 41 6246 2030 Mode key plate E266C (110CR) E412138-3 U.S.A.,Canada 96 C 41 6246 2040 Mode key plate E266B (110CR) E412138-4 Except U.S.A.,Canada 96 C...
  • Page 40 6. OTHERS FOB Japan Item Code No. Parts Name Specification Version N.R.Yen Unit Price OTHERS 51 6246 1760 Printer cover E110369-1 270 C 52 6246 1830 Wind pulley E311860-1 110 B 53 6246 1840 Battery cover E266 E311934-1 78 C 62464000 Key set sub ass'y E312046*2...
  • Page 41 7. PRINTER UNIT - 39 -...
  • Page 42 7.PRINTER UNIT FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price 101 1903 0201 Rubber fitting F801001050 15 X 102 1908 7661 Motor F818051010 600 A 103 1908 7662 Motor gear F817051010 25 C 105 1908 7663 Cup screw M2x2.9 B040352118 12 X 106 1908 7664...
  • Page 43 8. DRAWER UNIT DL-1313 ( for U.S.A.)
  • Page 44 DL-1313 (for U.S.A.) FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price 6246 7446 Top cover E211698A-1 4,200 X 6246 6501 Drawer label DL-1313 E311416-36 22 X 6192 6980 Drawer ass'y E211677*2 4,200 C 5150 1643 5500 0878 Roller DR-19B2 150 B...
  • Page 45 DL-1817 (for Europe, U.K.,Germany,Other countries)
  • Page 46 DL-1817 (for Europe, U.K.,Germany,Other counties) FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price 6246 7446 Top cover E211698A-1 4,200 X 6246 6508 Drawer label DL-1817 E311416-37 22 X 6192 6980 Drawer ass'y E211677*2 4,200 C 5150 1643 5500 0878 Roller DR-19B2...
  • Page 47 DL-2749 (for Europe,U.K., Other countries) 425 424...
  • Page 48 DL-2749 (for Europe, U.K., Other countries) FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price 6246 5090 Box sub ass'y E311926*1 4,200 X 6246 5120 Drawer label DL-2749 E311977-2 22 X 6192 6329 Drawer ass'y E311955*1 4,200 C 5150 1652 Tapping screw (+) 3.5X8 ZMC-3...
  • Page 49 DL-2349 (for Europe, Canada, Other countries) 506 507 523 524 525 525 524...
  • Page 50 DL-2349 (for Europe, Canada, Other countries) FOB Japan Item Code No. Parts Name Specification N.R.Yen Unit Price 6246 5090 Box sub ass'y E311926*1 4,200 X 6246 5110 Drawer label DL-2349 E311977-1 22 X 6192 6329 Drawer ass'y E311955*1 4,200 C 5150 1652 Tapping screw (+) 3.5X8 ZMC-3...

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