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Euro-500TX Handy

Service manual

Euro-500TX Handy

Service manual

Reinstallation of individual keys
Note: During the reinstallation of individual keys it is

not necessary do dismantle the front

cover.

1. Pry out gently the defective

key.

2. Place the new key into re-

spective slot.

Index

Quantity

Description

Code

Front cover

M040168

Rubber keyboard

M040026

Keyboard Euro 500 Handy v1.2

E02H500

Screw 2.5×12

M250062

Euro 500TX Handy MB v1.2

Screw 2.5×10

M250061

Middle keys

M040172

Side keys

M040173

Main key

M040175

Front key spring

M040026

Fig. 4.12 Keyboard disassembly

Fig. 4.13 Individual keyboard keys

Tab. 4.9 Table of shown parts

Содержание Euro-500 Handy Series

Страница 1: ...Euro 500 Handy Euro 500TX Handy Service manual version 1 1 Elcom s r o...

Страница 3: ...off of the system 16 2 2 4 Real time circuit 16 2 3 I O circuits 17 2 3 1 Printing control circuits 17 2 3 2 Keyboard 18 2 3 3 Displays 20 2 3 4 Communication circuits 21 2 3 5 Connexion of fiscal me...

Страница 4: ...sts 50 5 2 Printer tests 51 5 2 1 Printing test 51 5 2 2 Thermal head position test 51 5 2 3 Paper presence sensor test 51 5 3 Keyboard tests 52 5 3 1 Keyboard test 1 52 5 3 2 Keyboard test 2 52 5 4 C...

Страница 5: ...rrangement and listing of main PCB parts 66 7 3 Arrangement and listing of keyboard parts 75 7 4 Arrangement and listing of segment LCD module 76 7 5 Arrangement and listing of connectors PCB 77 7 6 A...

Страница 6: ...for fitting the interconnect PCB 18 Fig 2 21 Keyboard connexion scheme 19 Fig 2 22 Signal chart on the 7442 decoder outlets A C 19 Fig 2 23 Signal chart on the 7442 decoder outlets 0 7 19 Fig 2 24 The...

Страница 7: ...yboard keys 42 Fig 4 14 Display reinstallation 43 Fig 4 15 Display reinstallation in the Greek version of Euro 500TX Handy 44 Fig 4 16 ECR connectors 45 Fig 4 17 Connectors PCB placement 45 Fig 4 18 S...

Страница 8: ...4 4 Table of shown parts 37 Tab 4 5 Table of shown parts 38 Tab 4 6 Table of shown parts 39 Tab 4 7 Table of shown parts 40 Tab 4 8 Table of shown parts 41 Tab 4 9 Table of shown parts 42 Tab 4 10 Ta...

Страница 9: ...e heart of the ECR lies the 16 bit microcontroller E 500TXN that features 11 I O ports and two serial transfer channels The ECR programme is stored in 256 kB of EPROM memory Following the EPROM progra...

Страница 10: ...or the circuits that are at all times powered as the ECR is on The KA278R05 linear voltage stabiliser is at the heart of this circuit that fixedly supplies 5 V voltage Figure 2 2 shows the NMI signal...

Страница 11: ...converter is used to produce the VH voltage for the printer s thermal head performance circuits The core element here is the LM2588 ADJ that converts the accumulator voltage to the fixed voltage of 2...

Страница 12: ...shown in the figure 2 7 produce these voltages 2 1 9 Power supply voltages characteristics VSS primary power supply for the VCC manufacture values 8 2 V 10 while mains powered 0 V while accumulator p...

Страница 13: ...ncy up to 18MHz on chip oscillator and timer circuits QFP 100 case The figure 2 8 shows the pin place ment and the table 2 1 lists the pin descriptions for the E 500TXN VRAMx FM AL CN0 FM AH CN1 A16 C...

Страница 14: ...34 D0 D7 I O data bus 35 VRAMx I 5 V power supply 36 43 A0 A7 O address bus 44 GND I 0 V power supply 45 55 A8 A18 O address bus 56 NC NC 57 GND I 0 V power supply 58 LCD SEL O activation signal of d...

Страница 15: ...ontrol signal for drawer opening 85 BUZZER O buzzer control 86 GND I 0 V power supply 87 RDKEYB O signal for reading keyboard and JP4 JP6 jumper condition 88 RW1 I scanning keyboard 89 CS2 O current t...

Страница 16: ...ltage value equal to 4 5 V Voltages below 4 5 V cause the V6309 L circuit to reset the CPU Stand by signal controller is a circuit that provides reliable leaving of the E 500TXN microcontroller stand...

Страница 17: ...CC1 D0 D1 D2 D3 D7 D6 D4 D5 LATCH PR SET SYSCLKs A19 PR CLK PR DATA GND D17 FMKA140 VCCA VCCA VCCA TDI 1 2 3 GND 4 5 6 TMS 7 8 VC 9 10 GND 11 12 13 14 15 GND 16 VC 17 18 19 20 21 22 23 GND 24 25 TCK 2...

Страница 18: ...CC1 PS1 R37 47k VCC TS R53 47k VCC1 HS Fig 2 16 Receipt paper tape detection in the printer Fig 2 17 Journal paper tape detection in the printer Fig 2 18 Measuring the printer head temperature Fig 2 1...

Страница 19: ...he main PCB on the second side GND VCC ROW1 ROW2 ROW3 ROW4 ROW1 ROW2 ROW3 VCC GND D1 LL4148 D2 LL4148 D3 LL4148 D4 LL4148 D5 LL4148 D6 LL4148 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 9 8 10 9 11 D 12 C 13 B 14 A...

Страница 20: ...optionally fitted with the backlight panels D1 that are controlled by display con troller SEG49 SEG50 The backlight option can be controlled using keyboard press Multiply key in X mode Maximum single...

Страница 21: ...pped by default with communication circuits for PC scanner electronic scales and external keyboard 8888888888 Fig 2 25 Segment LCD and the NJU6432B display controller connexion C1 680p R1 47k VCC C3 1...

Страница 22: ...Euro 500TX Handy Elcom s r o Service manual 22 Fig 2 27 View on the display placement in Euro 500TX Handy Fig 2 28 View on the display placement in Greek version of Euro 500TX Handy...

Страница 23: ...or CR LF Communication with electronic scales is defined by these parameters communication speed 9 600Bd data bits 8 parity none stop bits 1 communication protocol Euroscales MORCAN or MACCA scales Th...

Страница 24: ...PGM The description of control signals can be found in the table 2 1 GND DRW VCC B31 BCM4532 B32 EBM2012 C33 100n 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 REAR1 MOLEX53047 1510 PCRxD PCTxD SCRRxD SCLRxD S...

Страница 25: ...onnect any ECR drawer to the Euro 500TX Handy that is conformant to the maximum trigger voltage of 24 V and current of 1 5 A The drawer will automatically open only if the ECR is connected to the exte...

Страница 26: ...GND External adapter pole External adapter pole Clock GND Data Keyb NC Vcc NC Fig 2 36 Individual ECR connectors pin connexion Fig 2 37 Connector PCB connexion 1 2 3 4 5 6 SCR SCL Modular 6 pin GND SC...

Страница 27: ...ectancy 50 000 000 pulses print density 12 5 and more or 50 km or more in tape length Operational temperature range 0 to 45 C Storage temperature range 20 to 60 C Operational humidity range 35 85 RH S...

Страница 28: ...ntly equal to zero 3 2 4 Thermistor specification a electrical characteristics resistance 30 k 5 at 25 C B constant 3 950 K 2 b ranges temperature range 20 to 80 C c relation between temperature and r...

Страница 29: ...Item Specification Type PM type stepping motor Number of phases 4 Control method Bipolar drive Excitation type 2 2 phase excitation Winding resistance phase 130 W 7 phase Insulation class Class E Exc...

Страница 30: ...aper tape presence sensor for the journal tape output signal PS2x Head activation without paper in the printer can destroy the head or drastically decrease its durability There is an external paper ta...

Страница 31: ...Signal name Function 1 VH Power supply of printer power circuits 2 VH Power supply of printer power circuits 3 VH Power supply of printer power circuits 4 VH Power supply of printer power circuits 5...

Страница 32: ...ift the head lightly as the printer mechanism allows Do not use crude force Terminal Signal name Function 23 STB 3 Activation signal 3 24 DATA IN Print data serial input 25 VH Power supply of printer...

Страница 33: ...cover backward using the side handles 2 Get the middle cover either by the visor at the paper tape holes or by side handles and pull the cover out 3 Separate the display visor from the middle cover Re...

Страница 34: ...ver as it is screwed back Do not rip the twine from the screw while tightening As you close the ECR make sure that all the ECR wiring and parts are in their respective places so accidental clamping in...

Страница 35: ...arge the accumulator to 100 and discharge it by continu ous use until it signals low power Repeat this process at least three times this pro longs the accumulator life if the suspiciously high shorten...

Страница 36: ...w printer with the printer pads and place it back using screws 7 Plug the cables and place the displays back 8 Fasten the display visor into place and perform all the printer tests 1 2 3 4 5 6 7 Index...

Страница 37: ...ription Code 1 2 Screw 2 1 10 segment customer display 3 2 Srew 4 1 Paper ribbon cutter 5 1 Holder of paper ribbon cutter 6 1 Screw 7 1 Printer LT1320 8 1 Middle cover 8 7 3 4 5 2 6 1 Fig 4 6 Printer...

Страница 38: ...on ribbing direction ridges 6 Re solder the motor connector red wire onto the motor pin if necessary 7 Place the new motor into the fixation ribbing and position the motor holders 8 Tighten the fixing...

Страница 39: ...ix them this can damage the electronics 7 Perform all the tests of the new PCB chapter 5 8 Assemble the covers back according to chapter 4 1 Note 2 If any test reports an error make sure that all the...

Страница 40: ...ver and separate the front cover from the bottom one chapter 4 1 3 Unplug all the connectors from the main PCB 4 Detour voltage from the SRAM using the JP1 jumper Jumper is to be placed to the positio...

Страница 41: ...4 9 Reinstallation of the keyboard or individual keys Note Keyboard reinstallation shall be performed only when ECR is turned off and external power supply is disconnected 1 Pull out the middle cover...

Страница 42: ...to re spective slot 5 3 4 2 1 6 1 10 9 7 8 Index Quantity Description Code 1 1 Front cover M040168 2 1 Rubber keyboard M040026 3 1 Keyboard Euro 500 Handy v1 2 E02H500 4 8 Screw 2 5 12 M250062 5 1 Eur...

Страница 43: ...and pull both out 5 Mount the new display with the Interconnect PCB and fix the wiring and the display by adhesive 6 Plug the connectors and assemble the middle cover back Reinstallation of the custo...

Страница 44: ...and the display by adhesive 6 Plug the connectors and assemble the middle cover back Reinstallation of the customer display 1 Remove the display visor and display paper cover 2 Dismantle the defectiv...

Страница 45: ...supply 2 Detach the middle and front cover from the bottom one 3 Separate the rear cover along with the motor holder 4 Plug or check the connection of connectors to the PCB and their integrity Make su...

Страница 46: ...ytic capacitors see figure 4 Solder the backlight to the display PCB onto D1 facets Surplus connecting wire can be used in soldering 5 Solder the parts 1 pc C MOS 2SK1079 transistor onto Q1 facet 2 pc...

Страница 47: ...3 Remove the original connector 4 Press the new connector as shown in the figure 5 Plug the drawer connector into the rear connector panel for external devices 6 Turn the ECR on and check the drawer f...

Страница 48: ...dy can be easily connected to a PC through the RS 232 interface The transfer parameters have to be set the same on both sides PC and ECR PS 2 NC Vcc NC Data Ground Clock Fig 4 22 Connection of the ext...

Страница 49: ...settings for the scanner and the scales have to be set the same as on the ECR 5 4 3 2 1 9 8 7 6 5 4 3 2 1 9 8 7 6 6 5 4 3 2 1 6 5 4 3 2 1 Modular jack 6 6 Euro 500TX Handy Top view Front view D SUB 9...

Страница 50: ...ds start displaying on the LCD from right to left and simultaneously the arrows in the left part of the display will begin to blink from top to bottom Test Description 100 Display tests 200 Printing t...

Страница 51: ...haracter set is then printed The test ends when the printing stops and ECR beeps twice In case of any printing difficulties consult chapter 6 3 for instructions 5 2 2 Thermal head position test Proced...

Страница 52: ...second keyboard test evaluates the gradual pressing of keyboard keys If the keys are pressed exactly according to the figure 5 3 and the keyboard or its circuits are not damaged the test resolves as...

Страница 53: ...isplay and printed on the printer If the serial PC communication test yields an error follow the instructions in the chapter 6 6 Caution The serial interface test fails i e detects an error only in tw...

Страница 54: ...keyboard interface test allows the diagnostics of sending and receiving of se rial data through the Mini DIN PS 2 connector cable connexion is described in chapter 4 14 that is used to connect the ECR...

Страница 55: ...possible using the ECR tests Entire FM data reading test Procedure 1 Switch the ECR into programming mode 2 Enter 700 using numerical keys 3 Press the Multiply key Testing procedure 1 The data is read...

Страница 56: ...incorrect perform the following tests one by one 5 6 3 FM working voltages test The proper reading and writing of data from to FM is strongly dependant on the voltage values of VFD and VFP voltages Th...

Страница 57: ...3 Press the Multiply key Testing procedure 1 In approx 1 2 s intervals the FM AH FM AL and A16 signals levels are changed altogether three times 2 The test results appear on the display and are print...

Страница 58: ...the E Total key has been pressed and test ends 5 8 2 VCC1 power supply test This test verifies the VCC1 power supply functionality Procedure 1 Switch the ECR into programming mode 2 Enter 910 using nu...

Страница 59: ...eshooting ECR doesn t function external power supply connected damaged or disconnected main power switch check the switch cable connection into the main PCB PWRSW connector check the switch functional...

Страница 60: ...alue damaged D4 diode replace check whether the VRAM power supply is not short circuited toward GND damaged semiconductive part RAM is erased every time the ECR is turned on damaged backup NiCd accumu...

Страница 61: ...ndom and unstable erase the SRAM move JP1 jumper farther from the NiCd accumulator for 10 seconds and reinitialise the ECR if problem persists replace SRAM ECR is reset cyclically usu VH voltage that...

Страница 62: ...voltage value run test 910 and measure the VCC1 voltage if the voltage is wrong follow chapter 6 1 printer step motor is destroyed replace the printer jammed printer cylinder mechanism replace the pr...

Страница 63: ...een Intercon PCB and the customer display check the plug ging of the customer display connector and check the connecting cable integrity damaged display module replace the entire module for customer o...

Страница 64: ...and time are cleared after the ECR is turned off flat or damaged NiCd accumulator charge event replace the NiCd accumulator incorrectly placed JP1 jumper check the JP1 jumper position it shall be far...

Страница 65: ...PCB check the plugging of the 2ndSENZ connector and its cable integrity check the correct sensor placement damaged external photoconductive sensor replace the sensor Caution The repair of malfunctions...

Страница 66: ...jacket if the part is an electronic one and invoice code 7 1 ECR parts classification arrangement and listing of main PCB parts 7 2 arrangement and listing of keyboard parts 7 3 arrangement and listin...

Страница 67: ...60003 Cc3 100u 10V EL2 0D5 Yes Yes M120012 C35 100u 10V EL2 0D5 Yes Yes M120012 Cc7 10u 10V EL2 0D5 Yes Yes M120011 C44 1u 35V TNTA Yes Yes M120024 C2 1u 35V TNTA Yes Yes M120024 C41 1u 35V TNTA Yes Y...

Страница 68: ...F1 2x3 3mH 1 5A EMI4 Yes Yes M130009 U14 KA278R05 TO220F 4L Yes Yes M170106 U17 L293D DIP16 Yes Yes M170066 Us1 LM2588 ADJ IO The cooler is fitted onto the IC with the screw and inset into PCB Yes Yes...

Страница 69: ...es M120044 C20 100n 805 Yes Yes M120044 C21 100n 805 Yes Yes M120044 C74 100n 805 Yes Yes M120044 C64 100n 805 No Yes M120044 C22 100n 805 Yes Yes M120044 C122 100n 805 No No M120044 Cs4 100n 805 Yes...

Страница 70: ...No No M120046 C108 1n 805 No No M120046 C72 1n 805 No No M120046 C107 1n 805 No No M120046 C101 1n 805 No No M120046 C102 1n 805 No No M120046 C100 1n 805 No No M120046 C69 1n 805 Yes Yes M120046 C65...

Страница 71: ...Yes Yes M110018 D14 LL4148 SOD80 Yes Yes M110018 D10 LL4148 SOD80 Yes Yes M110018 Ds3 LL4148 SOD80 Yes Yes M110018 D16 LL4148 SOD80 Yes Yes M110018 D5 LL4148 SOD80 Yes Yes M110018 D13 LL4148 SOD80 Ye...

Страница 72: ...EBM2012 805 Yes Yes M130015 B42 EBM2012 805 Yes Yes M130015 B34 EBM2012 805 Yes Yes M130015 B44 EBM2012 805 Yes Yes M130015 B43 EBM2012 805 Yes Yes M130015 F2 1 85A RESETABLE FUSE Yes Yes M160008 F1 3...

Страница 73: ...100R 805 Yes Yes M100085 R41 100R 0R 805 Yes Yes M100085 R51 10k 805 Yes Yes M100080 R52 10k 805 Yes Yes M100080 R8 10k 805 Yes Yes M100080 R50 10k 805 Yes Yes M100080 R49 10k 805 Yes Yes M100080 R26...

Страница 74: ...100120 Rc12 2k2 805 Yes Yes M100120 Rs3 2k7 F 805 Yes Yes M100114 Rs1 2k7 F 805 Yes Yes M100114 R36 47k 805 Yes Yes M100093 R54 47k 805 Yes Yes M100093 R87 47k 805 Yes Yes M100093 Rs2 47k 805 Yes Yes...

Страница 75: ...24 Ts1 2N7002 MOSSOT23 Yes Yes M180023 T12 BC817 SOT23 Yes Yes M180025 T11 BC817 SOT23 Yes Yes M180025 T7 BC817 SOT23 Yes Yes M180025 T13 BC817 SOT23 Yes Yes M180025 T2 BC817 SOT23 Yes Yes M180025 T6...

Страница 76: ...D4 SOD80 M110018 K bel FFC 16 pin 1 mm KEYBOARDCON M200059 2 pin k bel s kon 200 mm PWR M200032 DPS Keyboard Euro 500 Handy v1 2 M240094 Tab 7 2 Bill of material for the keyboard PCB Description Sign...

Страница 77: ...nterconnecting PCB Tab 7 4 Bill of material for the connectors PCB Description Signature Jacket Code 2 pin connector cable 360 mm REAR2 S1G2M M200012 DS 210 B Bond tact POWER DCPOWERJACK M190033 Minid...

Страница 78: ...4 100n C11 805 M120044 100n C7 805 M120044 100p C5 805 M120045 15p C2 805 M120042 15p C3 805 M120042 1n C6 805 M120046 1n C4 805 M120046 BCM4532 BD2 EMI2 M130008 EBM2012 BD14 805 M130015 EBM2012 BD5 8...

Страница 79: ...79 220R R8 805 M100095 470R R7 805 M100079 470R R10 805 M100079 47k R3 805 M100093 47k R9 805 M100093 47k R1 805 M100093 47k R2 805 M100093 10k R5 R11 R12 805 M100080 LL4148 D1 SOD80W M110018 0R R13 8...

Страница 80: ...Euro 500TX Handy Elcom s r o Service manual...

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