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Euro-50

Service manual

37

Elcom s. r. o.

5. THE CASH REGISTER CIRCUITS

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Содержание Euro-50

Страница 1: ...Euro 50 Euro 50 Service manual version 1 0 ELCOM s r o 2008...

Страница 2: ...This manual was not subject to any language revision This manual or any part of it may not be copied reproduced or otherwise distributed without the publisher s consent All rights reserved Elcom s r o...

Страница 3: ...lays 24 3 2 2 Progress of the test for segmented displays 25 3 3 Printer tests 25 3 3 1 Printing test 25 3 3 2 Testing the thermal printer platen position sensor 25 3 3 3 Testing the paper ribbon sens...

Страница 4: ...ontroller 38 5 4 1 Classifying of microprocessor outputs and values in the individual power modes of the cash register 38 5 4 2 Internal memory RAM 42 5 4 3 Internal memory FLASH 42 5 4 4 RTC circuit...

Страница 5: ...ectronic scales to the cash register 53 7 UPDATING THE CASH REGISTER SOFTWARE 55 7 1 Software update using Euro 50 Mini flash update utility 56 7 2 Initializing the cash register Master reset 57 8 BLO...

Страница 6: ......

Страница 7: ...Service manual Euro 50 Elcom s r o 7 1 INTRODUCTION...

Страница 8: ...40 C 30 85 RH Long term storage conditions more than 30 days 0 25 C 75 RH Short term storage conditions fewer than 30 days 20 45 C 75 RH Dimensions 243 140 89 mm Weight 0 65 kg 1 2 Hardware speci cat...

Страница 9: ...Service manual Euro 50 Elcom s r o 9 2 DISASSEMBLING THE CASH REGISTER...

Страница 10: ...if the cash register allows it the basic settings of the cash register or saving this data by transferring them to a computer Before installation the cash register must be turned o and all cables disc...

Страница 11: ...r long M040430 Short ribbon tearer M051048 Display cover M040440 Cash disp glass P130008 4 Press on the metal eject lever marked with an arrow to release the platen holder 5 Remove the paper ribbons h...

Страница 12: ...er lever M051050 Platen holder long M040442 Separator M040452 Winding reel M040443 6 Loosen the screw of the seal and the four screws joining the top and bottom covers of the cash register two from ab...

Страница 13: ...l Euro 50 Elcom s r o 13 Figure 2 4 Parts of the cash register Back cover long M040436 Back cover M040434 Rubber feet M060120 7 As needed disconnect the cables connecting the individual parts of the c...

Страница 14: ...accumulator to the connector on the MB then place it into the bottom casing of the cash register 3 Insert the accumulator cover and tighten the screw 2 1 2 2 Replacing the power supply board DPS E50 P...

Страница 15: ...5 Reconnect the cables and reassemble the cash register 2 1 2 4 Replacing the silicone keyboard 1 Disassemble the cash register as directed in the previous chapter 2 Remove the motherboard as directe...

Страница 16: ...r o Figure 2 7 Dismantling the printer holder 4 Loosen the screws keeping the printer in place in the holder then remove the printer Figure 2 8 Disassembly of the printer from the holder Printer LTPZ2...

Страница 17: ...board for the external paper sensor from the holder Figure 2 9 The paper sensor Paper sensor P320008 Belaying separator wire M051051 4 Change the sensor and place it into the holder using glue if nec...

Страница 18: ...lcom s r o Figure 2 10 The journal motor Motor rubber M040027 Motor E50 P250008 Upper insertion long M040432 Customer display holder M040439 Segment display foil M040458 PCB Interconnect M039008 10 di...

Страница 19: ...0V 3 Before screwing the casing back on switch the cash register on and o Afterwards measure the consumption from the reserve battery measure the consumption as a decrease of voltage at resistor R109...

Страница 20: ...display and detach the display cable 3 Detach the customer display Figure 2 12 The customer display PCB Interconnect P039008 4 Adhere the new display attach the display folio and reconnect the cable 5...

Страница 21: ...50 Elcom s r o 21 Figure 2 13 Placement of the COM connectors COM connector P190008 4 While assembling connect the cable of connector COM1 to XC12 and COM2 to XC13 on the motherboard 5 Finish assembli...

Страница 22: ...98 Wire harness 140 mm 9 pins 1250HM09 2H M200096 Printer grounding wire 140 mm AWG26 M200114 Wire harness 95 mm 15 pins 2H M200112 Wire harness 140 mm 6 pins 2H M200100 Wire harness 200 mm 2 pins of...

Страница 23: ...Service manual Euro 50 Elcom s r o 23 3 TESTING THE CASH REGISTER...

Страница 24: ...t arrow or Left arrow to select the P mode and con rm by pressing TOTAL P mode 3 Using the Right arrow or Left arrow key select System parameters and con rm by pressing TOTAL Sys parameter 4 Using the...

Страница 25: ...g the Right arrow or Left arrow keys select the test Head position 2 Start the test by pressing TOTAL Progress of the test 1 The actual position of the print platen is depicted on the display 2 As the...

Страница 26: ...arrow or Left arrow keys select the test Port COM1 Port COM2 3 Start the test by pressing TOTAL Progress of the test 1 From the microcontroller a 0x55 byte is sent to the output TxD COM1 COM2 2 The b...

Страница 27: ...resence of an SD card creates and enters a control le onto it then reads over it and compares it with the created le 2 If the les correspond the printer will print out TEST 813 OK 3 6 Testing the powe...

Страница 28: ......

Страница 29: ...Service manual Euro 50 Elcom s r o 29 4 REMOVING MALFUNCTIONS...

Страница 30: ...splay VH 6 8 4V Supply voltage for printer thermal head EXT5V 5V Supply voltage for external equipment Brought to the connector of serial port COM1 VIN 12V Supply voltage from the external adapter 4 2...

Страница 31: ...d can be repaired do so and continue with activities 2 5 2 Switch on cash register without a power adapter connec ted After switching on the cash register attempts to print out in troductory informati...

Страница 32: ...the case of an unsuccessful test 1 Check placement of the reel Repair the incorrectly placed reel of the control ribbon 2 Check the placement of the winding motor Repair the improperly placed winding...

Страница 33: ...vel for signal RS232TON During communication it must be RS232TON H If levels for the signals are not correct check the quality of the soldering on UU2 and measure the path of signal RS232TON from the...

Страница 34: ...ltage of Li ion accumulator The value is dependent on the state of its charge VDDQ 3 3V 3 Power supply for cash register circuits EXT5V 5V 0 5V Power supply for external equipment ON OFF U 1 3V ON U 0...

Страница 35: ...ts E50PWR pdf list power SchDoc 5 Faulty circuit NL3 Replace E50PWR pdf list power SchDoc 4 6 5 Malfunctions of the 5V power source Indicators Absence of voltage in EXT5V Note With a malfunction if vo...

Страница 36: ...mm 6 pins 2H M200100 Cable 95 mm 15 pins 2H M200112 Silicone keyboard M040460 Battery cover M040433 Operator display cover M040440 Upper cover M040428 Long ribbon cover M040430 Lower cover M040427 Re...

Страница 37: ...Euro 50 Service manual 37 Elcom s r o 5 THE CASH REGISTER CIRCUITS...

Страница 38: ...voltage XC5 Connector for connection dps POWER controlling communication signals XC6 JTAG interface XC7 Connector for printer connection XC8 Connector for auxillary paper ribbon sensor XC9 Connector f...

Страница 39: ...lay H reset for PCF2119X H L P07 DP PULL UP output OD Controlling pull up 1K5 for detection of USB L USB D pull up connected H H Table 5 4 Port 1 Output Signal Type Function Active level specification...

Страница 40: ...32 RXD1 UART1 RXD UART1 RXD according to the state of RS232 interface H or L input X P33 TXD1 UART1 TXD UART1 TXD H output H P34 COVER input EXINT4 Sensing position of accu mulator cover H cover detac...

Страница 41: ...L according to state of the switch P53 RW0 input EXINT11 Keyboard row 0 H L P54 RW1 input EXINT12 Keyboard row 1 H L P55 RW2 input EXINT13 Keyboard row 2 H L P56 RW3 input EXINT14 Keyboard row 3 H L P...

Страница 42: ...al Type Function Active level specification State during reset Quiet state RESET_INn RESETINn input output for external re set signal L RESET_OUTn RESETOUTn output output for external re set signal L...

Страница 43: ...oller 5 5 3 SD card The hardware allows connection of SD cards supporting SPI communication The SD card is connected to port SSP1 The SD card is activated by the signal SDCSn L 5 6 Supply 1 8V supply...

Страница 44: ...speci cations VDDQSW is switched on switched o by circuit NL2 which is controlled by microcontroller signal VDDON If VDDON H then VDDQSW is switched on VH is switched on switched o by the VT1 transist...

Страница 45: ...of the thermal resistor Rx Rx R75 Ux VDDQ Ux R75 47000 1 VDDQ 3 3V 3 Voltage Ux can be measured by a multimeter at the testing point marked TM The relation between resistance of the thermistor and hea...

Страница 46: ...y by microcontroller DM1 Note The value of the signal PLATEN is valid only if voltage VDDQSW is switched on 5 8 6 Interface for the journal motor The motor is switched on by the signal JMOTOR which co...

Страница 47: ...4 VDDQ SA0 zero bit I2C slave address of display 5 DISPDATA 1 I2C DATA 6 DISPRST1 1 Input of external reset signal 7 DISPCLK 1 I2C CLK Table 5 24 Signals of the interface for connecting the cashier di...

Страница 48: ...ve current in case of faults in circuit NL1 BQ 24123 or another component in the circuit supply voltage 12V C5 C6 and C7 are ltering condenser suppressing vf signals and together with L4 they create a...

Страница 49: ...the output of circuit NL1 VBAT This connecting voltage for the input of this supply is blocked by the parallel combination of capacitors C19 and C20 The current limit of the output current is set to a...

Страница 50: ...al 6 DISPRST2 External reset signal for display Table 5 29 Signals of the interface for connecting a 7 segment cashier display XC2 XC2 Signal Description 1 VLCD Supply voltage for LCD 2 GND Relative p...

Страница 51: ...Service manual Euro 50 Elcom s r o 51 6 CONNECTING PERIPHERAL DEVICES...

Страница 52: ...with a PC via the USB interface For connecting the cash register to a PC using the USB port a standard USB cable with USB B mini cash register and USB A PC connectors are used Settings of transmissio...

Страница 53: ...e connected from the cash register if it is connected to COM1 6 4 Connecting electronic scales to the cash register Electronic scale having an RS232 interface can be connected to the Euro 50 cash regi...

Страница 54: ...Euro 50 Service manual 54 Elcom s r o...

Страница 55: ...Servisn manu l Euro 50 Elcom s r o 55 7 UPDATING THE CASH REGISTER SOFTWARE...

Страница 56: ...t the driver it s necessary to install it euro 50 cdc inf 1 Run update utility with new software there is no need to select the port as it is chose automatically Figure 7 1 An example of running updat...

Страница 57: ...ng appears in the upper row of the cashier display Sys parameter in the lower part Master reset 6 Press button TL 7 On the cashier display you ll be asked to enter the current date Do so in the form D...

Страница 58: ......

Страница 59: ...Euro 50 Service manual Supplements Elcom s r o 59 8 BLOCK DIAGRAMS PLACEMENT DRAWINGS SPECIFICATIONS...

Страница 60: ...K DISPRST1 APPDETECTn EXT5VM ON OFF EXT5VON VDDON VHON PS2 PLATEN SDDETECTn DISPRST2 D 7 0 RXD2 TXD2 Euro 50 MB MPU SDCLK FCLK SDDI FDI FCSn SDDO FDO RESETOUTn A 16 0 RDn WRn RESETINn CS0n D 7 0 Euro...

Страница 61: ...TXD1 SCK1 98 P11 RXD1 MOSI1 99 P12 MISO1 TXD0 101 P13 RXD2 NSS1 106 P14 SCL0 109 P15 CAN_RX TXD2 TRCLK 110 P16 SDA0 CAN_TX 114 P17 EXTRIG TRCLK 116 P30 DMA_RQST0 RXD0 TXD2 TIM0_OCMP1 55 P31 DMA_RQST1...

Страница 62: ...n A 16 0 VDDQ 47K 1 3 5 7 2 4 6 8 RN5 47K 1 3 5 7 2 4 6 8 RN6 47K 1 3 5 7 2 4 6 8 RN8 47K 1 3 5 7 2 4 6 8 RN10 47K 1 3 5 7 2 4 6 8 RN7 47K 1 3 5 7 2 4 6 8 RN9 D0 D1 D2 D3 D4 D5 D6 D7 47K R98 A16 47K R...

Страница 63: ...47 GND 47K R42 GND GND VHON 150R R65 GND 47K R68 470pF C56 47K R64 470pF C57 GND PS2 PS2 PLATEN PLATEN 1 47K R75 100nF C58 GND VDDQ EBMS160808A102 L6 PLATCHn PSTB TZMB5V1 VZ3 GND 47K 1 3 5 7 2 4 6 8 R...

Страница 64: ...VBUS SDDETECTn SDDETECTn 1 SDDETECTn VDDQ 47K R90 47K R91 47K R95 GND 1K R88 D0 2 D2 4 D4 6 D6 8 Q0 19 Q1 18 Q2 17 Q3 16 Q4 15 Q5 14 Q6 13 Q7 12 D1 3 D3 5 D5 7 D7 9 OE 1 LE 11 VCC 20 GND 10 74LVC573 D...

Страница 65: ...OL6 VDDQ SA00 SA01 SA02 SA03 SA04 SA10 SA11 SA12 SA13 SA14 SA20 SA21 SA22 SA23 SA24 SA30 SA31 SA32 SA33 SA34 SA40 SA41 SA46 SA35 SA36 SA06 SA15 SA16 SA25 RW0 RW1 RW2 RW3 RW4 GND GND GND RW4 RW3 RW2 47...

Страница 66: ...ecked By Aproved By Signature Date Draw No Sheet of Name Elcom s r o N mestie ml de e 3 080 01 Pre ov Slovakia Ing Martin Hruby 7 9 28 04 08 Change BC817 16 VT6 VDDQ 10K R105 GND 47K R106 BUZZER JMOTO...

Страница 67: ...D 470nF C1 47K R10 VDDQ VDDQ GND EBMS160808A102 L3 EBMS160808A102 L4 EBMS160808A102 L2 EBMS160808A102 L1 FMDATA FMCLK DISPDATA DISPCLK DISPRST1 2K2 R3 2K2 R4 2K7 R1 2K7 R2 220n C2 DISPRST2 DISPRST2 47...

Страница 68: ...Hruby 9 9 26 04 08 Change APPDETECTn EXT5VON EXT5VM ONSW ON OFF VBAT GND VDDQ APPDETECTn 1 EXT5VON 1 ONSW 100nF C61 100nF C60 GND GND 1K R73 47K R71 ONSW 1 ON OFF GND LL4148 VD1 LL4148 VD2 VDDQ 5 33K...

Страница 69: ...Euro 50 Service manual Supplements Elcom s r o 69 PCB E50 MB ASSEMBLY DRAWING TA...

Страница 70: ...0603 4 M120090 17 C45 Capacitor 1000uF 10V F 5mm 10x12 5mm 1 M120170 18 C46 C50 Capacitor 10uF X7R 25V 1206 3216 1206 2 M120154 19 C47 Capacitor 1uF 25V A case tantalum A Case 1 M120034 20 C77 Capaci...

Страница 71: ...2 0805 0 M100138 58 RN1 RN2 RN3 RN4 RN5 RN6 RN7 RN8 RN9 RN10 RN11 Resistor network 47K 5 SMD 0603 4x0603 11 M100135 59 RN13 RN14 Resistor network 10k 5 SMD 0603 4x0603 2 M100106 60 UU1 BD6380EFV E2 HT...

Страница 72: ...I O2 3 I O2 4 VBUS 5 I O1 6 VZ1 GND DP DN SDCSn SDCLK SDDI SDDO VIN GND VBUS EBMS160808A102 L10 GND SDDET GND GND GND 100K R2 100K R3 VDDQ VDDQ 100nF C1 GND 500999 0900 CSn NSS 1 DI MOSI 2 VSS 3 VDD 4...

Страница 73: ...LS 13 OUT 20 ISET2 9 SNS 15 STAT2 19 TS 12 TTC 7 VTSB 11 PGND 17 PGND 18 VSS 0 NL1 VIN 1 EN 8 LBI 6 PGND 10 SW 9 SYNC 7 PG 4 LBO 2 TPS62056DGS FB 5 GND 3 NL3 DRH5D28R 150N 15uH L2 DRH5D28R 150N 15uH L...

Страница 74: ...Euro 50 Service manual Supplements 74 Elcom s r o PCB E50 POWER ASSEMBLY DRAWING...

Страница 75: ...0255 20 NL3 TPS62056DGSR TSSOP10 1 M170249 21 R1 R2 R3 Resistor 100K 5 0603 1608 0603 3 M100204 22 R4 R7 R10 R11 Resistor 10K 1 0603 1608 0603 4 M100170 23 R5 Resistor 0R12 1 1206 3216 1206 1 M100324...

Страница 76: ...lay Interconnect v1 0 Title Drawn By Checked By Aproved By Signature Date Draw No Sheet of Name Elcom s r o N mestie ml de e 3 080 01 Pre ov Slovakia Ing Hruby 1 1 19 5 2008 Change VDD GND DISPDATA DI...

Страница 77: ...1 C1 Capacitor 100nF 0805 SMD 2012 0805 M120044 0 2 C2 Capacitor 100nF 50V X7R RM 2 54 CAPA254X450X318 M120175 1 3 XC1 Connector 53047 0610 53047 0610 M190038 1 4 XC2 Connector 3700 7P T T 3700 7P T...

Страница 78: ...8 12 PCB E50 PS 1 1 2 2 3 3 4 4 D D C C B B A A E50 paper sensor v1 0 N zov Vypracoval Kontroloval Schv lil Podpis D tum slo v kresu List Listov Meno Elcom s r o Jesenn 23 080 01 Pre ov Ing Hrub 1 1 0...

Страница 79: ...r o 79 ID Designator Description Package Stock item Assembly 1 SD1 QRE1113GR SOIC180P460 4N M290005 1 2 Cable 1250HM 04 1H 90mm M200094 1 3 PCB E50 PS v1 0 M240223 1 PCB E50 PS ASSEMBLY DRAWING PCB E5...

Страница 80: ...ed By Signature Date Draw No Sheet of Name Elcom s r o N mestie ml de e 3 080 01 Pre ov Slovakia Ing Martin Hrub 1 1 23 6 2008 Change 1 2 3 4 Cable 4pin 1H 70mm XC5 1 2 3 4 6 5 7 8 260 8P 8C XC6 EXT5V...

Страница 81: ...Slovakia Ing Hruby 3 3 22 07 2008 Change 0 1 2 3 4 5 6 7 8 D SUB9 Male 9 Euro 50 Tiger II CNRS CNTRS Scales Massa VE 15TE COM1 2 5 4 3 2 1 9 8 7 6 D SUB9 Male 1 8 2 3 4 5 6 7 MOD8P8C Solder side view...

Страница 82: ...50 MS 5145 ECLIPSE R Scanners MS 9535 Voyager MS 9520 R COM1 5 4 3 2 1 9 8 7 6 D SUB9 Male 1 8 2 3 4 5 6 7 MOD8P8C Solder side view Front side view GND RxD VCC MS 6520 Cubit Plus MS7120 Orbit BIRCH C...

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