Everbrite Electronics All American Scoreboards MP-3908 Operating Instructions And Service Manual

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OPERATING INSTRUCTIONS AND SERVICE MANUAL
HORSE AUCTION BOARD
MODEL MP-3908
EFFECTIVE JUNE 26, 1995
1

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Summary of Contents for Everbrite Electronics All American Scoreboards MP-3908

  • Page 1 OPERATING INSTRUCTIONS AND SERVICE MANUAL HORSE AUCTION BOARD MODEL MP-3908 EFFECTIVE JUNE 26, 1995...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1. General Information Description Damage Damage Claim Procedure 2. Installation General Information Mounting Data Cable Installation Electrical Connection 3. Control Console Operation Scoreboard Power Control Console Power Control Console Display Bid Control Special and Sold Control 4. Maintenance and Troubleshooting Introduction Test Equipment Troubleshooting...
  • Page 3: General Information

    1. GENERAL INFORMATION 1.1 DESCRIPTION Your All-American scoreboard has been carefully inspected and tested before leaving the factory. It is possible, however, that components may be loosened or forced out of adjustment in transit. If this occurs, follow the troubleshooting guide (Section 4). If equipment then fails to operate, contact immediately: ALL-AMERICAN SCOREBOARDS - Service Department EVERBRITE LLC...
  • Page 4: Installation

    TO FILE YOUR CLAIM FOLLOW THIS PROCEDURE: (A) Cost of replacement parts, or repair charges, are invoiced to the carrier by the consignee. (B) The following documents, properly filled out, plus invoice, are forwarded to the trucking company in support of your claim: (a) Original Bill of Lading (b) Original paid freight bill (c) Certified copy of original invoice...
  • Page 5: Control Console Operation

    IMPORTANT !!! To protect the MP-2000 control from damage, it is advisable to disconnect the control and store in a dry secure area when not in use. NOTE This equipment is ETL (Electronics Testing Laboratories) CSA and NRTL approved and complies with the requirements in part 15 of the FCC rules for a class A computing device.
  • Page 6: Maintenance And Troubleshooting

    Example: Present bid is 25. Change the bid from 25 to 30. Push: ENTER . Push BID NUM followed by the desired number, then ENTER to display the bidder number. To clear the bid and bidder number: Push CLEAR WARNING 120 VAC wires are exposed whenever the cover on the display is removed.
  • Page 7 (B) Scoreboard digits don't light, but the console works (a) With the main power switch "off"; remove the cover over the controller assembly. (b) Check all connections. (c) Turn the main power "on". (d) If the scoreboard still doesn't light, check the transformer voltage going to the receiver PCB (printed circuit board) assembly (blue wires) using a voltmeter set on the 12 VAC or higher scale.
  • Page 8 The scoreboard works, but some lights do not come on. (a) Check for burned out lamps. (b) Check for a broken wire or bad connection on the 12 pin connector. (c) See the replacement parts list for the proper replacement driver board. IMPORTANT !!! In this scoreboard the 120 volt line is on the lamp socket all the time, and the common is switched to turn the lamps on and off.
  • Page 9: Replacement Parts List

    5. REPLACEMENT PARTS LIST 5.1 Scoreboard Display Parts figure 1 DISPLAY ASSEMBLY...
  • Page 10 REPLACEMENT PARTS LIST (MP-39XX Horse Auction) fig.& MFG PART VENDOR index NUMBER DESCRIPTION PART # 000000 Display Assembly 000000 850001 Lamp, 7 Watt 125 V. 7C7 White 7C7/W SU479300 Controller Assembly SU479300 *****SEE DETAIL FIGURE 2***** SU00038 Fuse Box, SU00038 *** LOCATED IN OPPOSITE SIDE SERVICE DOOR AS CONTROLLER ASSEMBLY *** 1-3A 121880...
  • Page 11 Controller Assembly Parts figure 2 CONTROLLER ASSEMBLY REPLACEMENT PARTS LIST (MP-39XX Horse Auction) fig.& MFG PART VENDOR index NUMBER DESCRIPTION PART # SU479300 Controller Assembly SU479300 119323 Receiver PCB Assembly 119323 *** PROGRAM 3MP-CNT-V00*** 118922 Driver PCB Assembly, 3 Position A4-A6 118922 118522 Transient Suppressor PCB Assembly...
  • Page 12: Diagrams

    6. DIAGRAMS 6.1 Control Console Keyboard and Slipsheet Layout...
  • Page 13 6.2 Power Wiring...
  • Page 14 6.3 Controller Assembly Wiring and Layout...
  • Page 15: Display Wiring And Layout

    6.4 Display Wiring and Layout...
  • Page 16: Microprocessor 4 X 7 Lamp Pattern (A-12497)

    6.5 Microprocessor 4 X 7 Lamp Pattern (8 Bit)
  • Page 17 6.6 Jumper Location on 3 Position System All of the 3 position drivers and receivers are identical except for the jumper on each board. Make sure the jumpers are set for the model of scoreboard you are installing them into. (A) On the receiver board (refer to figure);...
  • Page 18 Triac Placement The triac is the switch that controls the figuregram lamps. The triacs for any given figuregram are adjacent to the twelve pin connector on the driver board that controls that figuregram. Shown below is the triac placement and bit designation relative to the figuregram bit pattern.
  • Page 19 6.8 Installation...

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