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Casio 120CR, Руководство по обслуживанию

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— 6 —

5. Open upper case by lifting it from the left side.

6. Remove all the cables on Main PCB and remove 3

screws.

Remove 3 screws.

Hook

Hook

Push the connector.

Pull the wires.

7. Lift up the Main PCB to the right side to avoid the

destruction of Display tube.
Be careful not to damage the point A.

Point A

Содержание 120CR

Страница 1: ...SERVICE MANUAL ELECTRONIC CASH REGISTER without price Printer Model M 42V 120CR EX 268B 160CR EX 268B SEP 2000 INDEX ...

Страница 2: ...ower supply circuit 8 5 2 Reset circuit 9 5 3 Data communication between CPU and EEPROM 10 5 4 Printer drive circuit 12 5 5 Pin description CPU uPD78043FGF 12 6 DIAGNOSTIC OPERATIONS 14 6 1 To start the diagnostic operation 14 6 2 Check items 14 6 3 Operations 15 7 ERROR CODE LIST 19 7 1 Operation error code 19 8 IC DATA 20 9 PCB LAYOUT 21 10 CIRCUIT DIAGRAM 22 11 PARTS LIST 29 ...

Страница 3: ... V Power consumption In operation Max 0 11 A 0 05 A 0 06 A 0 06 A Min 0 07 A 0 04 A 0 05 A 0 05 A Power OFF 0 06 A 0 03 A 0 04 A 0 04 A Memory protection Back up battery Mangan Battery UM 3 3 pcs Back up period 1 year 25 C Battery life Replace the battery every 1 years Clock Calendar Accuracy Within 30 sec per month Auto calendar Effective until 2099 A D 1 2 Environmental specifications Operating ...

Страница 4: ...nsachgemäßem Austausch der Batterie Ersatz nur durch denselben oder einen vom Hersteller empfohlenen gleichwertigen Typ Entsorgung gebrauchter Batterien nach Angaben des Herstellers ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig hándtering Udskiftning má kun ske med batteri af samme fabrikat og type Levér det brugte batteri tilbage til leverandØren 2 INITIALIZE MAC OPERATION 1 Set the Mode ...

Страница 5: ... 3 3 BLOCK DIAGRAM 3 1 PCB CONNECTION E266 1 ...

Страница 6: ...wer DI DO CE SK BUZZ LB X2 X1 Sa Sg G1 G9 KC 0 3 DRW WMO RP PT Pt PMO PHD KI 0 7 E266 1 PCB Printer Keyboard Mode Key Operator Display Customer Display EEPROM Buzzer CPU Memory Protection battery Voltage COM PGM RF OFF REG CAL X Z 3 2 BLOCK DIAGRAM ...

Страница 7: ... 5 4 DISASSEMBLY 1 Open the printer cover 2 Remove the screw from the upper case 4 Lift up the upper case 3 Slide the upper case towards front side Remove the screw ...

Страница 8: ...t side 6 Remove all the cables on Main PCB and remove 3 screws Remove 3 screws Hook Hook Push the connector Pull the wires 7 Lift up the Main PCB to the right side to avoid the destruction of Display tube Be careful not to damage the point A Point A ...

Страница 9: ... 7 7 To remove the Printer unit release the hook of point B then lift up the Printer unit Point B ...

Страница 10: ...ts corrector becomes more than 7V Then VP is supplied C point 4 When the VP voltage becomes more than 4V the transistor 2SC945 is turned on Then PWD signal becomes L level F point When the PWD signal becomes L level CPU knows no power failure 5 VP is supplied at the DC DC converter trans T2 the DC DC converter makes display and logic circuit voltage VN VF1 VF2 Display voltage I J point VDD Logic c...

Страница 11: ... C25 C 11 AC IN GND CN8 1 5 7 1 AC IN HOT R1 10 6 T1 C1 D1 D2 D3 D4 1 2 5 V 1 A F1 B 2 C2 VF2 41 B 3 C 2 C3 C1 4 C 3 D 3 F 1 F 2 C16 C17 C 3 µPD78043AGF CMK P2X B 4 20 CN3 T2 R5 DISP1 C 12 C 13 Q5 E B C 9 C 1 0 D9 X1 X2 C1 8 R1 1 IC2 E 1 1 3 E 2 B R9 3 L C4 6 A C8 CN4 C9 ZD1 R2 R3 C10 B E Q1 C6 B 1 CN1 1 2 Q2 E B D6 R4 C7 Q3 E B C11 C12 D8 E B Q4 2 1 R7 CN2 R9 ZD4 D7 VN R10 CN5 2 C13 VF1 1 D 2 4 1...

Страница 12: ...t nonvolatile read write memory arranged as 64 registers of 16 bits each 64 words X 16 bits 1024 bits Block diagram CS Command code controller Power detection Address buffer Data register Address decorder 1024 bit EEPROM array R W amplifer Write protection 6 bits 6 bits 16 bits 16 bits High voltage genarator Command register Dammy bit Clock generator SK DI DO 1 2 3 4 CS SK DI DO Pin No 23 Pin No 1...

Страница 13: ...re When the CPU saves the data to EEPROM CPU sends the CS and SK signal to EEPROM And CPU sends the address and data to EEPROM from pin No 15 When the EEPROM writes the data EEPROM outputs the busy signal from DO terminal to CPU After finish writing EEPROM outputs the ready signal from DO terminal to CPU CS SK DI DO Address Data Output data here CS SK DI DO Address Data High Impedance BUSY L READY...

Страница 14: ... Out L L H Chip enable signal for EEPROM 24 P14 ANI4 In GND GND GND GND 25 P13 ANI3 In GND GND GND GND 26 P12 ANI2 In GND GND GND GND 27 P11 ANI1 In GND GND GND GND 28 P10 ANI0 In H H H Low battery detection terminal 29 AVDD H H H Power for AD converter 30 AVREF In L L L Voltage for AD converter VDD 31 XT1 In Pulse Pulse Pulse Sub system clock 32 XT2 Pulse Pulse Pulse Sub system clock 33 VSS GND G...

Страница 15: ...drive signal for printer PHD 64 P114 FIP22 Out Pulse L L Key common signal KC3 65 P113 FIP21 Out Pulse L L Key common signal KC2 66 P112 FIP20 Out Pulse L L Key common signal KC1 67 P111 FIP19 Out Pulse L L Key common signal KC0 68 P110 FIP18 Out H H H Not used 5V 69 P107 FIP17 Out Pulse 24V L Display segment signal Sdp Decimal point 70 P106 FIP16 Out Pulse 24V L Display segment signal Sg 71 VLOAD...

Страница 16: ...n Export version 6 DIAGNOSTIC OPERATIONS 6 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 6 2 Check items The following test can be checked in the test mode 1 Key cod...

Страница 17: ...de key condition PRG 1 X 5 RF 2 Z 6 REG 3 OFF 8 CAL 4 Others 0 6 3 Operations 1 Key code check Hard key code When pressing a key the machine displays the following key code 2 Switch check Press C button the switch condition is appered on a display 029 FEED C 028 7 8 9 4 5 6 1 2 3 0 011 012 027 026 025 024 023 022 021 017 020 019 018 013 016 015 014 0 2 2 022 Hard key code Display Key code table ...

Страница 18: ...t for EEPROM This test is effected at EEPROM version Press 3 key and SUB TOTAL key Write a test data 1 word to test area of EEPROM and read it In case an error happens the machine beeps an error sound and issues an error receipt All segment display Set time and date Open drawer Print check Issue a test receipt Display test data Date 31st Dec 94 Time 23 59 1234567890ST Except US 123456789012ST US 1...

Страница 19: ...y 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 beeps an error sound and issues an error receipt 5 Battery voltage check Press 7 key and SUB TOTAL key Display the voltage level of memroy protection battery To escape this test turn the mode switch to OFF VCC 5 35V Standard 6 Print test Press 8 key and SUB T...

Страница 20: ...machine beep an error sound and issues an error receipt Note 3 When PAD1 is open this test is not excuted Just print a function code on the receipt 4 To escape the diagnostic operation Exexute the MAC operation Memory All Clear Note Make sure to remove the memory protection batteries 0 1 0 1 9 5 0 0 0 1 0 0 0 5 d1d2d3d4 d5d6d7 Print ing Layout 1 6 0 1 0 1 9 5 0 0 0 1 0 0 0 2 2 8 6 2 1 Receipt samp...

Страница 21: ...ning Changing modes without completing transaction Printer paper is jammed Action Return key to where is stops buzzing and press CA AMT TEND Remove jammed paper Turn Mode switch to OFF then turn to ON or Turn power OFF and then turn power ON Press C C AC key and check the appropriate section of this manual for the operation you want to perform ...

Страница 22: ... 1 LB1268 1 4 8 5 270 30k 30k 2k TR1 TR2 TR4 TR6 6 8k 3 4 1k 15k 6 8k 2k 1 IN1 2 IN2 3 IN3 8 OUT1 7 OUT2 6 D3 135 TR5 D2 270 TR3 01 5 4 VCC GND OUT3 Equivalent circuit 1 2 3 OUT RA 1 OUT Bottom view 2 VDD SS 3 V RB RC 1 VDD VREF VSS ...

Страница 23: ...9 3 L C 4 6 A C8 CN4 C9 ZD1 R2 R3 C10 B E Q1 C6 B 1 CN1 1 2 Q2 E B D6 R4 C7 Q3 E B C11 C12 D8 E B Q4 2 1 R7 CN2 R9 ZD4 D7 VN R10 CN5 2 C13 VF1 1 D 2 4 1 B 12 BZ1 B 8 IC1 C19 S 80728AN C20 R12 VDD Q6 E B VP ZD5 R14 C22 C21 R17 R13 GND R16 C23 B 11 C 21 C 22 C 23 E B Q7 F 4 C27 B 14 A 3 L2 A 4 C31 F 6 B 13 C24 C26 R21 R22 R23 C N 7 1 8 R20 R19 R18 L1 IC4 LBI268 A 1 A 2 C30 B 15 C29 C28 E266 1 A C26 ...

Страница 24: ...RAMS MODEL 120CR EX 268B 160CR EX 268B CONTENTS 1 LOCATION OF PRINTED CIRCUIT BOARD 23 2 MAIN PCB CIRCUIT 2 1 MAIN PCB CIRCUIT 1 3 24 2 2 MAIN PCB CIRCUIT 2 3 25 2 3 MAIN PCB CIRCUIT 3 3 26 3 REAR DISPLAY 27 4 KEYBOARD 28 ...

Страница 25: ... 3 4 5 6 7 8 B C D E F G H I J K A B C D E F G H I J K A Description Board No Drawing No LOCATION OF PRINTED CIRCUIT BOARDS EX240712 Europe The other countries USA For USA Canada For Europe UK Germany and the other countries ...

Страница 26: ... 24 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 B C D E F G H I J K A B C D E F G H I J K A Description Board No Drawing No MAIN PCB E268 1 1 3 E240713 ...

Страница 27: ...2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 B C D E F G H I J K A B C D E F G H I J K A Description Board No Drawing No MAIN PCB E268 1 2 3 E341104 A C L B Japan USA Canada Europe D G UB UK Germany The other countries ...

Страница 28: ...F G H I J K A B C D E F G H I J K A Description Board No Drawing No MAIN PCB E268 1 3 3 E240714 Location Specification Location Specification Location Specification HEATSINK Power Cord Power Cord Power Cord Power Cord Power Cord Power Cord E268 1 ...

Страница 29: ... 27 Description Board No Drawing No REAR DISPLAY E266 1E2 E440054 ...

Страница 30: ... 28 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 B C D E F G H I J K A B C D E F G H I J K A Description Board No Drawing No KEYBOARD E268 1E4 E341101 ...

Страница 31: ...ank A Essential B Stock recommended C Less recommended X No stock recommended 11 PARTS LIST CONTENTS Exploded view 30 11 1 MODEL 120CR EX 268B 1 Main PCB block 32 2 Button block 32 3 Power supply block 33 4 Upper case block 33 5 Printer block 33 6 Others 33 11 2 MODEL 160CR EX 268B 1 Main PCB block 34 2 Rear display block 34 3 Button block 34 4 Power supply block 35 5 Upper case block 35 6 Printer...

Страница 32: ... 30 A B 39 41 42 43 37 4 2 32 46 33 34 48 47 49 38 36 5 6 7 35 44 1 E266 1 Ass y Drawer 45 40 3 51 54 52 53 50 55 ...

Страница 33: ... 31 Keyboard Block A B 0 00 7 9 8 1 3 2 4 6 5 30 29 28 27 26 31 36 24 22 8 19 12 20 11 18 15 13 16 17 21 14 10 9 23 25 ...

Страница 34: ...ONNECTOR SUB ASSY E311971 1 1 1 1 1 1 AE C CN2 3500 3371 CONNECTOR IL G 2P S3T2 E 1 1 1 1 1 AA C CN4 3510 3465 CONNECTOR 5267 02A 1 1 1 1 1 AA C CN6 3540 4759 CONNECTOR IMSA 9604S 21C 1 1 1 1 1 AC C CN7 3500 1077 CONNECTOR 52011 0810 1 1 1 1 1 AC C CN8 6246 2830 CONNECTOR SUB ASSY E412181 1 1 AP C C1 5 17 CAPACITOR CERAMIC RT HE12TKYB103K T 3 3 3 3 3 X C10 12 CAPACITOR CERAMIC RT HE40TKYB221K T 2 ...

Страница 35: ...1 1 1 1 BC C 33 3000 7098 TRANSFORMER TE 266 E2U 1 1 1 1 1 BP A 34 6246 2850 CASE TRANSFORMER E311870 1 1 1 1 1 1 AL C N 1003 1467 STAND VOLTAGE SELECTOR FIXING E441140 1 1 AB C SCREW 3X8 ZMC 3 2 X N 6246 6326 PLATE VOLTAGE E440038 1 1 AE C N 3000 7105 SELECTOR VOLTAGE J S5084 01 1 AT C 4 Upper case block N 1003 7853 PLATE DISPLAY E140370 3 1 1 1 1 1 BA C N 36 1002 9846 CASE UPPER E140368 5 1 1 1 ...

Страница 36: ...OR SUB ASSY E311971 1 1 1 1 1 1 AE C CN2 3500 3371 CONNECTOR IL G 2P S3T2 E 1 1 1 1 1 AA C CN3 3540 4780 CONNECTOR IMSA 9604S 20C 1 1 1 1 1 AC C CN4 3510 3465 CONNECTOR 5267 02A 1 1 1 1 1 AA C CN6 3540 4759 CONNECTOR IMSA 9604S 21C 1 1 1 1 1 AC C CN7 3500 1077 CONNECTOR 52011 0810 1 1 1 1 1 AC C CN8 6246 2830 CONNECTOR SUB ASSY E412181 1 1 AP C C1 5 17 CAPACITOR CERAMIC RT HE12TKYB103K T 3 3 3 3 3...

Страница 37: ... E341057 9 1 1 1 1 1 AA C SCREW 3X8 ZMC 3 2 2 2 2 2 X 4 Power supply block 32 3700 4283 CORD POWER M3203 1 AZ C 32 3701 0242 CORD POWER MP5004 1 BO C 32 6221 4802 CORD POWER M2511 1 1 1 BC C 33 3000 7098 TRANSFORMER TE 266 E2U 1 1 1 1 1 BP A 34 6246 2850 CASE TRANSFORMER E311870 1 1 1 1 1 1 AL C N 1003 1467 STAND VOLTAGE SELECTOR FIXING E441140 1 1 AB C SCREW 3X8 ZMC 3 2 X N 6246 6326 PLATE VOLTAG...

Страница 38: ... 36 11 3 Cash drawer DL 1838 S type 3 6 2 10 x2 x3 x3 9 8 7 1 4 19 11 13 18 16 15 22 24 5 14 21 12 17 20 23 x2 x2 x5 x2 x2 ...

Страница 39: ... 2 AC B 62481244 DRAWER EDL IG E110325C 5 1 BM C 11 62466578 PLATE BILL HOLDER FIXING E311937 1 1 AM C N 12 10029542 CASE ASSY BOTTOM E240690A 2 1 CJ C 13 55000878 ROLLER DERLIN DR 19B2 2 AP A N 14 54400252 NUT 6 2 AA X 15 62464940 LEVER HOOK E311876 1 1 AF B 16 62465020 SHAFT HOOK LEVER E412071 1 1 AB X SCREW 3X5 ZMC 3 2 X 17 55801461 SPRING LOCK ZD03441 A 1 AA B 18 62466522 SPRING PUSH E412137 1...

Страница 40: ... 38 Cash drawer DL 2768 M type 11 2 14 20 12 10 21 3 1 6 4 13 5 8 7 9 x2 x4 x10 x4 ...

Страница 41: ...A X N 10 10029590 BOX SUB ASSY E341082 1 1 BY C N 11 61926380 CASE ASSY BILL COIN E110387 5 1 CO C N 12 61934564 PLATE ASSY LOWER E211678 12 1 CM C 51501643 NUT 6 2 AA X 53015018 WASHER 6X13X1 ZMC 3 2 AA X 13 55000619 ROLLER DELRIN DR 19B1 2 AG A 14 61934567 LOCK ASSY E211680 9 1 CE C 51615123 SCREW 3X8 ZMC 3 2 AA X N 54400545 SCREW 4X25 ZMC 3 1 AA X N 54400554 NUT M4 3BC T 2 0 1 AA X 15 55001892 ...

Страница 42: ...09 131 115 107 108 101 143 101 135 106 133 139 137 116 Ink roll ass y 119 101 145 117 132 125 105 The exploded diagram is made based on the standard specification of our company When the part or unit indifferent from your specification is shown in the diagram please disregard it 11 4 Printer Unit M 42V ...

Страница 43: ...ng transmission gear F815212010 1 C 123 1903 0220 Paper feeding ratchet wheel F801202030 1 10 C 124 1906 8904 Print change over cam F815215010 1 5 C 125 1903 0234 Planet gear F801206020 2 C 126 1903 0235 Selecting drive gear F801206030 1 C 127 1908 7674 Reduction gear F817203010 1 C 128 1903 0792 Retaining ring TYPE E 1 2 B150300212 1 X 129 1906 8905 Coil selective gear ass y F818230000 1 C 130 19...

Страница 44: ...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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