JPM MPS2 Скачать руководство пользователя | Manualshive

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Содержание MPS2

Страница 1: ...ively the property of JPM Automatic Machines Limited Copying or any other form of transferring of any program or artwork thereof from any such machine to any other machine is expressly forbidden without the written authority ofthe Company JPM Automatic Machines Ltd Hadfield Road Leckwith Trading Estate South Glamorgan CF1 8AQ Cardiff Telephone 0222 223000 Telex 497806 Fax 0222238214 ...

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Страница 3: ...CUIT DIAGRAM 36 MK3 MEMORY BOARD LOADING DIAGRAM 27128 37 MK3 MEMORY BOARD LOADING DIAGRAM 27128 2764 38 HEX TRIAC PACK CIRCUIT DIAGRAM 39 HEX TRIAC PACK LOADING DIAGRAM 40 15 DIGIT DRIVER BOARD TECHNICAL DESCRIPTION 41 15 DIGIT DISPLAY BOARD TECHNICAL DESCRIPTION 41 2 DIGIT DISPLAY BOARD TECHNICAL DESCRIPTION 41 8 DIGIT DISPLAY DRIVER BOARD TECHNICAL DESCRIPTION 41 1 2 DIGIT DISPLAY BOARD TECHNIC...

Страница 4: ... initial reel spin you may proceed with the self test routine as detailed in the personality package The function of each individual segment is as follows TOP UART2 TX ON Transmit Data TOP LEFT I O Enable ON Enable TOP RIGHT UART2 RX ON Receive Data CENTRE NM1 ON Interrupt State BOTTOM LEFT Reel Drive Enable OFF Enable BOTTOM RIGHT MUX Timeout OFF Timeout BOTTOM Peripheral Communication ON Transit...

Страница 5: ...e that the MPS2 machine is installed and operating correctly and also to assist him locate and correct any faults that may occur It will also assist the more technically minded workshop engineer via the circuit diagrams and the detailed explanation of the various electronic circuits Note The information contained in this manual which remains the property of J P M Automatic Machines Limited is loan...

Страница 6: ...t on the MPS1 and MPS2 main boards The three 28 pin sockets can take either 8K x 8 2764 16K x 8 27125 or 32K x 8 27256 EPROM s giving the memory board a capacity of between 24K 3 x 2764 s 48K 3 x 27128 s or 48K 1 x 27256 and 1 x 27128 The decoding for these types of EPROM s is selectable by links 1 to 5 on the Memory card For 3 x 2764 links 4 and 5 inserted For 2 x 2764 and 1 x 27128 links 4 and 5...

Страница 7: ...to operate electromechanical AC solenoids via a triac Meters There are nine meter drives output 15 to output 23 connector HD9 each capable of sinking 1 A at 40v Direct Drives There are six outputs output 0 to output 15 connector HD8 capable of sinking 1A at 40v INPUTS Reel Sensor Inputs There are four dedicated inputs input 0 to input 3 connector HD2 communicating directIy with the reel drive proc...

Страница 8: ...nce 11 4v to 12 6v Switch Bias Supply Voltage 12vDC Current 0 2 A continuous Ripple 100mV peak to peak max Tolerance 11 4v to 12 6v UNREGULATED SUPPLIES Lamp Supply VMUX Voltage 50vDC Current 0 5 A continuous 5A peak Ripple 5v peak to peak max Tolerance 45 to 55v Reel Supply VREEL Voltage 24vDC Current 1A continuous Ripple 5v peak to peak max Tolerance 21v to 27v Triac Supply VTRIAC Voltage 50v AC...

Страница 9: ... Tolerance 10 System Monitor Voltage VMON Voltage 48v AC peak to peak Current 100 mA max Tolerance 2 5 Video Monitor Supply Voltage 128v AC Current 1 A Tolerance 10 NB It is essential that the primary fuse is rated at 2A quickblow not 5A as illustrated in the above photograph ...

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Страница 11: ...Si1 Si4 up to 4 lamps may be turned on After a period of say 1 msec the column address set up on So1 So4 is incremented and the data on Si1 Si4 is changed a second row of 4 lamps may be displayed By incrementing the column address at a rate greater than 70Hz the lamps will appear to be continuously lit with little suggestion of flickering Since the lamps are 12v devices and are being switched in a...

Страница 12: ...ltiplex timeout will be indicated by the bottom right hand segment of LED 5 7 segment extinguishing The outputs trom the 74HC4514 CMOS decoder are interfaced to octal transistor drives IC34 and IC36 whose outputs are used to drive the sixteen NPN row transistors TIPL 790 s Q17 to Q32 These transistors are capable of sinking 8A at a 1 16 duty cycle and an ambient temperature of 60 C which allows a ...

Страница 13: ...r open circuit then coins will be rejected Inhibit Accept Level 0 5v or less Inhibit Reject Level More than 2v or open circuit Service Instructions Adjustments The unit is factory programmed and no adjustments can be made in the field Field Test Box It is recommended that the MS111 Field Test Box be used if it is unclear whether the fault lies in the coin acceptor or the machine Test boxes can be ...

Страница 14: ...d connector which is inserted into the separator The wire links within the routing plug complete the electrical circuit between the MS111 and the solenoid drive circuitry See MS126 Routing Configuration tor further intormation CONNECTOR 3 1 Coin output common 12V 8 Inhibit 1Op 2 Coin output 1 00 9 Logic solenoid supply 12V 3 Polarising 10 Common OV 4 Coin output 50p 11 Inhibit 20p 5 Coin output 20...

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Страница 18: ...d before any malfunction might occur due to a low supply line The reset system will be dealt with in more detail in the section dealing with interrupts Four further memory mapped enable lines are generated by ULA 2 These are SEL 0 SEL 1 SEL 2 and SEL 3 pins 37 36 35 34 and 4 respectively These lines enable the peripheral interface elements whose specific functions will be dealt with in their relev...

Страница 19: ...lly a CRU write instruction allows the resetting of an addressed interrupt latch The operation of this logic will be dealt with in the section covering interrupts C EN2 Serial Link 1 EN2 is used to enable the UART which communicates with the on board reel drive processor This processor will be dealt with in its relevant section D EN3 System Function Lines Internal to the ULA EN3 is used to write e...

Страница 20: ...the mains is not present the counter will timeout and proved an interrupt source for an NMI 2 Invalid Memory Access NMI The next highest NMI is the invalid memory access interrupt If at any time the software attempts to write to a ROM location or execute code in RAM an invalid memory access will generate an NMI at the processor 3 Watchdog Timeout NMI The next highest NMI is the watchdog timeout in...

Страница 21: ...e coin handling interface allows tor the following A Four coin inputs open collector NPN transistors B One coin input Microswitch C Four non payout sensors D Four level detectors E Four TTL inhibit outputs F One high current NPN output series 10 inhibit G Four high current NPN outputs DC solenoid drives AII input and output lines are interfaced into the system by two 8255 peripheral devices IC21 a...

Страница 22: ... The final eight switch inputs input 11 to input 18 are interfaced into IC22 Port A A0 to A7 The ninth meter drive is generated on port C C3 which drives IC33 on sheet 4 IC22 Port B B0 to B7 is used to interface an 8 way dil switch into the system SW3 A hex rotary switch SW1 is interfaced into the system on port C C4 to C7 The complex sound generator IC6 SN76489 is also interfaced on Port B B0 to ...

Страница 23: ...to rise above the reel voltage Vreel by an amount defined by the zener diodes D17 and D18 This ensures that there is sufficient energy in the system to allow the reels to run at typically 100 r p m A value of 24v for the two zeners is sufficiently high enough to ensure that most of the available energy is transmitted to the phase windings but is low enough to limit the maximum allowed collector vo...

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Страница 32: ...ed and AC outputs There is also a center tapped push secondary coil to feed the linear regulated circuits The screen and core is securely fitled to the main chassis using screws and spire clips 6 Rectifiers The rectifiers Rec 1 and Rec 2 are to provide unregulated voltage for both the reel and lamp circuitry Both rectifiers have a set of smoothing capacitors C9 and C14 and discharge resistors R20 ...

Страница 33: ...e that the 5v stays within very accurate tolerances which is why there is need tor a 5v under and over voltage circuitry The 5v overvoltage circuitry consists of TH1 C106Y1 ZD1 6V2 R147R C5100 mf 10v and the crowbar fuse cartridge F7 2A The over voltage circuit functions as a single shot crowbar circuit i e if the output ot the 5v line exceeds 6 2v the 6v2 zener diode ZD1 will conduct so causing t...

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Страница 37: ... W W R251 0 R23 3 0 15WH PRE1K20 VR1 VR2 VR3 3 47uF25VR CAP C6 C7 C8 1 100uF10VR CAP C5 1 1000uF16VAX CAP C10 1 270uF 25V AX CAP C11 1 2200uF 35V AX CAP C9 1 10 000uF25V AX CAP C14 2 100n 30V D CER CAP C12 C13 2 4700pFRIFACAPY C2 C3 1 22uF 250V CAP X C1 1 33n RIFACAPX C4 1 VARISTERV275LA44 MOV1 1 MZX 79C6V2 DIODE XD1 2 BZX 79C5V6 DIODE XD1 ZD3 2 1N4002DIODE D13 D14 12 1N 5402 DIODE D1 to D121NC 1 ...

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Страница 44: ...igit Display Board This board can be loaded with up to 15 seven segment displays L T8 6780R in three groups of 5 it also has provision tor the insertion of up to six 12v 1 w lamps Each 12v lamp is held in a twist n lock holder fitted into holes in the PCB All drive circuitry tor this board is contained on the 15 digit driver board 045152 and all interconnections are made using a 40 way ribbon cabl...

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