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JPM MPS2 Manual

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COPYRIGHT
The copyright in programs entered in this machine is
exclusively the property of JPM (Automatic Machines) Limited.
Copyright on all illustrated panels and artwork is also exclusively
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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Summary of Contents for JPM MPS2

  • Page 1 COPYRIGHT The copyright in programs entered in this machine is exclusively the property of JPM (Automatic Machines) Limited. Copyright on all illustrated panels and artwork is also exclusively the property of JPM (Automatic Machines) Limited. Copying or any other form of transferring of any program or JPM (Automatic Machines) Ltd.

  • Page 3: Table Of Contents

    4RM REEL MECH COMPLETE MODULE WIRINGDIAGRAM WARRANTY MPS2 based machines are designed and built to take advantage of the system capabilities. As such, servicing and repairs should Only be carried out by trained personnel. Modifications to assemblies should not be undertaken except as and when...

  • Page 4: Installationprocedure

    MPS2 INSTALLATION PROCEDURE Installation Procedure 1. Ensure that all plugs and sockets are engaged, also that all earth connections are secure. 2. Connect to mains supply and switch on at the transformer assembly. 3. During power up, a tone will sound and the power on reset LED on the main board will illuminate for approximately 3 seconds then extinguish.

  • Page 5: Introduction

    MPS1 PCB, thus making both units retrofittable. Cut-outs are provided for the memory PCB and the bus interface connector . As with the MPS2 main board, the new Linear PSU is completely compatible with the MPS1 power supply as well as being especially designed for MPS2 machines.

  • Page 6: System Capabllities

    The memory board consists of three 28 pin sockets and an IC for address decoding. The IC (74LS139N) provides additional address to that already present 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).
  • Page 7 SYSTEM CAPABILITIES OUTPUTS Multiplexed There are 256 multiplexed outputs in a 16 x 16 array. Sources 0 to 15. Sinks 0 to 15 connector HD1. Each output is capable of driving a 1 w lamp at a supply of 50v DC in a 12.5% dut y cycle. Reel Drives There are sixteen dedicated reel drive outputs (0 to 15) connector HD2, each capable of driving 500mA at a maximum pulse rate of 400 half steps per second.

  • Page 8: Powersupply-Electricalspecification

    POWER SUPPLY -ELECTRICAL SPECIFICATION REGULATED LINEAR OUTPUTS Logic Supply Voltage +5v DC. Current 1.5 A continuous Ripple 50mV peak to peak. (max) Tolerance 4.75v to 5.25v. Crowbar 6.8v Max. RS232 Coin Acceptor and Sound Supply Voltage +12vDC. Current 1.8 A continuous Ripple 100mV peak to peak.
  • Page 9 Hopper Supply VHOP Voltage 110v AC auto winding on primary. Current 1.3 A. 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.

  • Page 11: Principle Of Multiplexed Lamp System

    In order that the component count may be reduced, J.P.M. have decided to adopt a system of MULTIPLEXING for lamps. MPS2 therefore has the capacity to display 256 lamps or a combination of lamps and segments. This is achieved via a 16 x 16 matrix.

  • Page 12: Multiplexing-Technical Description

    MULTIPLEXING -TECHNICAL DESCRIPTION The control of the multiplexing transistors is performed by an 8255 peripheral interface element (IC 25). The CF70000 communicates with the main processor (IC 13) via an eight bit parallel bus BD0 to BD7 pins 27 to 34 respectively.

  • Page 13: Ms111 Multi Coinacceptor Top Entry& Side Entry

    MARS 111 MULTI COIN ACCEPTOR TOP ENTRY AND SIDE ENTRY Operation The coin enters the mechanism and drops on to a ceramic snubber in order to stop the coin bouncing. It then rolls past 3 sensor coils, which measures thickness, material and diameter. If the measured values fall between the limits in the prom, the coin is accepted via the accept solenoid opening.

  • Page 14: Ms126 Separator

    MS126 SEPARATOR This separator is attached via two self tapping screws to the MS111 and is interconnected electrically. The MS126 is a fully active 4 way separator unit. Two solenoids can be operated which in turn operate three routing paddles. In order to enable the -VE common output, a loom is connected between the MS111 and connector 4 of the separator.

  • Page 18: Main Board -Technical Description

    Arrays (ULA's). Two discrete EPROMS's can be addressed within MPS2, their select lines being ROMSEL 1 and ROMSEL 2, IC11 pins 20 and 21 respectively. These lines go off board to the memory card. The type of EPROM fitted, and hence the required addressing range of ROMSEL 1 and ROMSEL 2, is set by two links on the memory board.
  • Page 19 CRUCLK). The 9995 is capable of interfacing up to 32K bits, although only a small amount are actually used on MPS2. Four main units are addressed via CRU and their enable lines are generated by circuitry within ULA 1 IC15 ENO, 1, 2 and 3.
  • Page 20 Interrupt lnterface The 9995 allows the interfacing of up to three external interrupts as well as a reset line. The interrupts are as follows in order of priority. A) RESET. B) NMI. C) INTI. D) INT4. Each interrupt will now be dealt with in more detail. RESET - IC31 PIN 7 This signal is the main processor reset, which is produced on power on, or when the +5v line falls below +4.5v.
  • Page 21 Serial Communication MPS2 has two two-serial communication channels. One is used exclusively for communicating with the reel drive processor, while the other UART is used for communicating with either a printer or security unit. A) Reel Drive Communication - UART4 A TMS 9902A, IC10, is used to communicate to the reel drive processor.
  • Page 22 2. Meter Outputs -HD9 HD9 is capable of driving up to nine meters, output 15 to output 23. Port C -C0 to C7 of IC26 is used to generate eight meter drives, output 16 to output 23. Port C drives an Octal darlington array IC23 to give the required current drive.
  • Page 23 Reel Drive Circuitry Control of four 1.8 degree stepper motors is accomplished by the use of a pre-programmed single chip processor TMS7041 IC14. More detailed information on this device may be found by consuiting the TMS7041 Data Manual from Texas Instruments. Internally the 7041 consists of an eight bit processor, with 4K bytes of ROM and 128 bytes of RAM.

  • Page 32: Llnear Power Supply - Technical Description

    LINEAR POWER SUPPLY TECHNICAL DESCRIPTION 1) Single Pole Mains Fuse This fuse is found on the left hand side of the front panel. The fuse is held in a bayonet type fuse holder which unscrews to give you 1 ¼ " x ¼ " 2A quickblow. 2) Filter The filter IFCHI has two basic functions, these are:- A) To attenuate any transient voltages present on the incoming mains supply.
  • Page 33 D. +5v Supply The components that supply the +5v are as follows: D1 - D4 i.e. 4x 1N 5402, TR2 TIP 3055, (TR3 when fitted, TIP 3655) ICI, MC 1723, VR2, 1K 0.5W, R2 100R, R4 100R, R5 100R, R11 1K81%, R12 2K2, R13 2K2, R15 6K8, R24 1R, R26 5K6 C13 100n.

  • Page 37: Llnear Power Supply - Partslist

    PARTS LIST FOR LINEAR PCB DESCRIPTION LEGEND REF 25WCARH/STAB47R5% 25WCARH/STAB100R5% R2-R3-R4-R5 25W CAR H/ST AB 220R 5% 25WCARH/STAB1K5% R7-R8-R9-R10 25WCARH/STAB2K25% R13-R14 25WCARH/STAB4K75% 25WCARH/STAB5K65% 25WCARH/STAB6K85% 25WCARH/STAB475% R18-R19 25W CAR H/STAB 1 M 5% 5W CAR H/STAB 1 OOR 5% 5WCARH/STAB10K5% R20-R21 25WM/FILM1K81% 25W M/FILM 2K2 1% 25W M/FILM 6K81 %...

  • Page 44: Digit Driver Board - Technical Description

    TECHNICAL DESCRIPTION 15 Digit Driver Board This board is capable of driving up to 15 seven segment displays, all displays are bussed with their common cathode connections switched by the sink transistors trom the MP8 1 multiplexer array, thereby torming a separate display matrix.

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