ELECTRO-MECH SCOREBOARD MM-108 Baseball Scoreboard Owner’s Manual

ELECTRO-MECH SCOREBOARD MM-108 Baseball Scoreboard Owner’s Manual

SCOREBOARD SPECIFICATIONS

GENERAL: This ETL listed scoreboard includes the scoreboard cabinet, mounting hardware, control console, 10 ft. extension cable, and junction box.

DIMENSIONS: 97” L x 35” H x 6” D (MM-108 with extra side sponsor panel measures 11’ L x 35” H x 6” D)

WEIGHT: 115 lbs (MM-108 with extra side sponsor panel weighs 150 lbs.)

SCOREBOARD CONSTRUCTION: The outer frame is made from extruded aluminum. Internal structural parts may be extruded aluminum or formed from aluminum sheet. The face and back are made from aluminum sheet. The face and masks are finished with enamel paint. Black is the standard color. The captions are white.

DISPLAY: The MM-108 baseball scoreboard displays HOME and VISITOR scores to 99, INNINGS to 9, BALLS, STRIKES, and OUTS.

LAMP BANKS: A 4 x 7 matrix of lamps forms each 15” digit. Three lamps form the BALL indicator, two lamps form the STRIKE indicator, and two lamps form the OUT indicator. The scoreboard uses 15 watt 120 VAC frosted medium based appliance lamps (also known as 15A15IF lamps). Recessed aluminum reflectors provide a crisp separation between each lamp. Expanded metal screens protect the lamps.

POWER REQUIREMENTS: Scoreboard – 120 VAC, 13.375 A, 60 Hz, 1605 watts maximum, (20 A service recommended). Control Console – 120 VAC, 0.5 A, 60 Hz

SCOREBOARD ELECTRONICS: 100% solid state fully enclosed within a plug in module.

CONTROL CONSOLE: The microprocessor control console is constructed of a rugged plastic housing  with a metal back plate. It features a 15 key sealed membrane keypad, and an attached 6 foot power cord.

The cable has two 22 AWG stranded copper conductors with semi-rigid PVC insulation. It also has a braided shield and a foil shield. The polyethylene jacket is rated at 300volts. The cable is direct burial rated and measures approximately ¼” in diameter. This item is sold separately from the scoreboard.

JUNCTION BOX AND EXTENSION CABLE: A 4 ¼” x 2 ¼” x 2” junction box with a ¼” stereo jack mounted on the face plate is attached to the control cable at the point of operation. A 10 ft. extension cable connects the control console to the junction box.

SCORELINK 300 RF MODEM SYSTEM: This accessory can be used in place of control cable and junction box for this scoreboard without internal modifications to the scoreboard or the control console. Refer to the SCORELINK 300 RF MODEM SYSTEM OWNER’S HANDBOOK for more information.

WARRANTY: Five year limited warranty

SCOREBOARD INSTALLATION

This part of the manual describes the mechanical and electrical installation of the scoreboard.

One of the items listed below must be purchased in order to complete the installation:

• Control cable (length dependent upon installation site layout)
• Score Link 300 RF Modem System

Items not provided by Electro-Mech Scoreboard Company which are necessary for installation:

• Two posts
• Power cable to connect the scoreboard to your power source
• Grounding hardware
• A grounded NEMA 5-15R 120 VAC receptacle for the control console.

Items not provided which are recommended by Electro-Mech Scoreboard Company for installation:

• A weatherproof power disconnect at the scoreboard
• A weatherproof NEMA 5-15R 120 VAC convenience receptacle at the scoreboard

Electro-Mech Scoreboard Company performs installations in some areas. In other areas, we can help you contact an independent installer. In areas in which installation service is not available from Electro-Mech Scoreboard Company, we will make every effort to answer your installation questions. Qualified personnel should perform the scoreboard installation. Consult national and local codes before installation.

MECHANICAL INSTALLATION

The mechanical installation includes installing the posts and mounting the scoreboard and the optional top sponsor panels (if purchased) to the posts.

Post Installation

The scoreboard mounts on two posts. Typically installers will use steel pipes or I-beams. In order to reduce the glare from the sun on the front of the scoreboard, position the posts so that the front of the scoreboard is angled away from the afternoon sun, if possible. The mounting hardware will accommodate posts up to 4.5 inches outer diameter. Sink the posts in reinforced concrete footings. Figure 1 shows the spacing of the posts for a MM-108 scoreboard. The specifications for the posts and concrete footings are dependent upon the expected local wind and soil conditions, the height of the scoreboard from the ground, and the local building codes. Electro-Mech Scoreboard Company assumes no responsibility for the installation of scoreboards by others.

Figure 1 MM-108 Post Spacing

Figure 2 shows the spacing of the posts for a MM-108 with extra side sponsor panel.

Figure 2 MM-108 with Extra Side Sponsor Panel Post Spacing

Figure 3 shows the spacing of the posts for a MM-108 with extra top sponsor panel.

Figure 3 MM-108 with Extra Top Sponsor Panel Post Spacing

Mounting The Scoreboard

The scoreboard is attached to the posts at four points. Figure 4 shows the location of the mounting points on the rear of the scoreboard.

Figure 4 Mounting Points

MOUNTING HARDWARE

Four sets of mounting hardware are provided to attach the scoreboard to the posts. Additional hardware sets are provided to attach the optional sponsor panels, if ordered. A mounting hardware set consists of a steel angle bracket, two threaded rods, two washers, and two nuts. Figure 5 shows an overhead cross section view and a side cross section view of the scoreboard attached to a post at a mounting point using the hardware. A steel bracket is riveted to the scoreboard’s aluminum extrusion frame. The bracket has two tapped holes. The threaded rods screw into these tapped holes. The washers and nuts are used to clamp the steel angle bracket against the steel post and hold the scoreboard in place.

Overhead Cross Section View
Side Cross Section View
Figure 5 Standard Mounting Method

The following steps describe how to mount the scoreboard on the posts:

1. Place the scoreboard cabinet against the posts on the ground. Make sure the mounting points are aligned with the posts.
2. Screw the threaded rods into the tapped holes in the scoreboard.
3. Place a steel angle bracket over the threaded rods at mounting point #1.
4. Place a washer over each threaded rod.
5. Screw the nuts onto the threaded rods so that the bracket is loosely held in place.
6. Repeat steps 3 – 6 at the other mounting points.
7. Raise the scoreboard into place and tighten the nuts to clamp the scoreboard in place on the posts.

Note: Be sure to leave enough space on the posts above the scoreboard for the optional top sponsor panel, if purchased.

Mounting The Optional Top Sponsor Panel

The following steps describe how to mount the top sponsor panel on the posts:

1. Raise the top sponsor panel in place above the scoreboard. Make sure the mounting points are aligned with the posts.
2. Screw the threaded rods into the tapped holes in the top sponsor panel.
3. Place a steel angle bracket over the threaded rods at a mounting point.
4. Place a washer over each threaded rod.
5. Screw a nut onto each threaded rod so that the bracket is loosely held in place.
6. Repeat steps 3 – 5 at the other mounting points.
7. Tighten the nuts to clamp it in place on the posts.

ELECTRICAL INSTALLATION

We recommend a qualified electrician perform the needed electrical connections to ensure proper operation of the scoreboard. These connections include grounding the scoreboard, connecting the scoreboard to a power source, installing the ScoreLink 300 or the control cable, and connecting the control console.

Ground Connection

The National Electrical Code requires a scoreboard (electric sign) to be grounded. Grounding the scoreboard helps the scoreboard electronics operate properly and helps minimize damage if it is struck by lightning. Metal posts do not provide an adequate ground path. The following steps describe how to ground the scoreboard cabinet:

1. Drive one or more 5/8” x 8’ copper clad ground rods in the soil near the scoreboard.

2. Connect #6 bare copper wire to the ground rods using 5/8” brass tear drop connectors.

3. Remove the rear access panel and the dome plugs on the plate below the access panel.
   Figure 6 shows the location of the access panel and the dome plugs.
   
   Figure 6 Rear Access Panel

4. Figure 7 shows the view behind the access panel.
   
   Figure 7 Access Panel Removed

5. Pass the ground conductor through one of the holes in the plate below the access panel and connect it to the frame of the scoreboard.

Power Connections

The scoreboard requires 120 VAC service at the scoreboard to operate properly.
Maximum power consumption of Model MM-108: 1605 Watts. Make sure that power cable is rated for this electrical load. Install the power cable in conduit. Avoid running the power cable in close proximity to the control cable. The following steps describe how to connect the scoreboard to your power source:

1. Feed the power cable through a hole in the plate below the access panel.
2. Crimp fork terminals to the power cable wires.
3. Connect the AC line wire to position 2 and AC neutral wire to position 3 of terminal strip T3 on the junction chassis according to figure 8.
   
   Figure 8 Power Connections

Install a power disconnect that isolates all current carrying conductors on one of the posts below the scoreboard (not the ground conductor). If a secondary switch is installed near  the scorekeeper’s table, it should also isolate these conductors. Place the power disconnect in the OFF position between games to help protect the scoreboard from lightning damage. A power disconnect on the scoreboard post also provides a convenient way of turning the scoreboard off during maintenance or repairs.

ScoreLink 300
The ScoreLink 300 RF MODEM SYSTEM is designed to eliminate the control cable between the scoreboard and the control console on Electro-Mech Scoreboard MM and MP series scoreboards as well as all LED scoreboards. If you have purchased this accessory, disregard the section of this manual titled Control Cable Installation. Refer to the Score Link 300 RF MODEM SYSTEM OWNER’S HANDBOOK for installation instructions.

Control Cable Installation
The control cable connects the scoreboard to the control console. Install the control cable in conduit. If the cable is ever damaged, it is easier and less expensive to replace a cable in conduit. A small junction box with a ¼” stereo jack mounted on the face plate is attached to the control cable at the point of operation of the scoreboard. This junction box should be securely mounted in a clean, dry area within ten feet of the rear of the control console. Most customers order the control cable with the junction box attached. Some customers prefer to attach the junction box after the cable is installed. Those customers must solder the control cable to the ¼” stereo jack. Figure 9 shows the control cable wire connection points on the rear of the ¼” stereo jack.

PIN 1 – BLACK WIRE
PIN 2 – RED WIRE
PIN 3 – SHIELD WIRE
Figure 9 ¼” Stereo Jack Wiring Diagram

The following steps describe how to connect the control cable to the scoreboard:

1. At the rear of the scoreboard feed the control cable the left hole in the plate below the access panel.
2. Crimp fork terminals to the control cable wires and the shield.
3. Connect the control cable to terminal strip T1 (located to the left of the test jack S9) according to the diagram in figure 10.
   
   Figure 10 T1 Wiring Diagram

Control Console Connections

The 10 ft. extension cable has two molded ¼” stereo plugs attached to it. It is used to connect the control console to the junction box. The following steps describe how to connect the control console:

1. Plug one end of the extension cable into ¼” stereo jack on the junction box or the Score Link 300 Transmitter, if purchased.
2. Plug the other end into the ¼” stereo jack mounted on the control console back plate.
3. Plug the control console power cord into a grounded NEMA 5-15R 120 VAC receptacle.

Control Console Safety Warning
This product is equipped with a 3-wire grounding type plug, a plug having a third (grounding) pin. This plug will only fit into a grounding-type power outlet. This is a safety feature. If you are unable to insert the plug into the outlet, contact a qualified electrician to replace your obsolete outlet. Do not defeat the purpose of the grounding type plug.

SCOREBOARD OPERATION

SCOREBOARD STARTUP

1. Place the power disconnect for the scoreboard in the ON position.
2. Plug one end of the 10 ft. extension cable into ¼” stereo jack on the junction box or the ScoreLink 300 Transmitter, if purchased.
3. Plug the other end into the ¼” stereo jack mounted on the control console back plate.
4. Plug the control console power cord into a grounded NEMA 5-15R 120 VAC receptacle.
5. If a ScoreLink 300 RF MODEM SYSTEM is installed with this scoreboard, plug thewall mount DC power supply into a grounded NEMA 5-15R 120 VAC receptacle and the male plug on the end of the attached cable into the Power jack on the Transmitter.

GAME TIME OPERATION

This scoreboard is operated with a simple 15-key control console. Figure 11 shows the keypad layout on the control console.

Figure 11 Keypad Layout

Control Console Key Functions

1. GUEST +1 – This key increments the Guest score by 1.
2. HOME +1 – This key increments the Home score by 1.
3. GUEST +10 – This key increments the Guest score by 10.
4. HOME + 10 – This key increments the Home scores by 10.
5. INNING – This key increments the Inning by 1.
6. BALLS – This key increments the Ball count by 1.
7. STRIKES – This key increments the Strike count by 1.
8. OUTS – This key increments the Out count by 1.
9. NEW GAME – This key is used with the CLOCK RESET key to reset all scoreboard functions. Press [NEW GAME] and, within two seconds, press [CLOCK RESET]. The HOME score, GUEST score, and INNING will display zero. The BALLS, STRIKES, and OUTS will be blanked.
10. CLOCK RESET – This key is used only in conjunction with the NEW GAME key.

The HIT, ERROR, DEC. MIN., DEC. SEC., and CLOCK ON/OFF keys are not used with the MM-108 scoreboard.

You should reset the scoreboard each time that it is turned on. Test out all the functions to ensure that the scoreboard is operating properly.

SCOREBOARD SHUTDOWN

1. Place the power disconnect for the scoreboard in the OFF position.
2. Unplug the control console power cord.
3. Unplug the 10 ft. extension cable.
4. If a ScoreLink 300 RF MODEM SYSTEM is installed with this scoreboard, unplug the Transmitter’s wall mount power supply.
5. Store the control console and ScoreLink 300 Transmitter in a dry location. These
   units are not waterproof.

Proper scoreboard shutdown will help protect the scoreboard and control console from power surges and lightning strikes.

SERVICING THE SCOREBOARD

While your scoreboard was designed for years of trouble-free operation, some problems may occasionally occur. Our trained personnel at Electro-Mech Scoreboard Company are ready to answer your questions from Monday to Friday during the hours of 8 AM to 5 PM Eastern Standard Time. Be sure to know your scoreboard model number when calling. Scoreboard replacement parts, including lamps, are always available. ElectroMech Scoreboard Company can repair the control console and plug in modules at a significant savings when compared to the price of new units. Our convenient toll free number is listed at the bottom of every page in this manual.

If the scoreboard turns on lamps, but does not operate normally, make note of which functions are affected. If some lamps either never turn on or always stay on, make note of their specific locations on the scoreboard. Refer to the LAMP REPLACEMENT section of this manual before changing lamps.

COMPONENT REPLACEMENT

Lamp Replacement
Remove the protective mask covering each lamp bank to access the lamps. T o avoid damage to the plug in module, always turn off the power to the scoreboard when changing lamps. We recommend using a felt pen or tape to mark lamps that will not light. The scoreboard uses 15 watt 120 VAC frosted medium based appliance lamps (also known as 15A15IF lamps). Never replace these with higher wattage lamps.

All other components are located behind the rear access panel. Figure 12 shows the components behind the access panel.

Figure 12 Rear Access Components

The plug in module MSFX-01 performs all of the scoreboard functions.

Plug In Module Replacement
Each module has four bottom plugs that mate with sockets on the junction chassis. A screw located at the top of the module holds it against the junction chassis. Remove the screw and pull the module upward to unseat the module. To avoid damage to the plug in module, always turn off the power to the scoreboard when removing or replacing it.

Control Cable Isolation Relay Replacement
Some MM-108 scoreboards have a relay installed to isolate the control cable from the scoreboard between games. The relay plugs into a socket mounted next to the plug in module MSFX-01. A clip holds the relay in its socket during shipping. It is not necessary to reinstall the clip after replacing the relay. Do not substitute another type of relay for this part.

The relay is energized when power is applied to the scoreboard. It is possible to hear the relay contacts switch as power is supplied to the scoreboard. When the scoreboard is deenergized, the relay shorts  the red and black wires from the control cable together and isolates them from the scoreboard. The relay can be bypassed two ways:

1. Connect the control console to the S-5 test jack using the 10 foot extension cable. It will be necessary to plug the control console power cord into a 120 VAC receptacle and temporarily disconnect the control cable from T-1.
2. Add a jumper between relay socket pins 5 and 8, add a jumper between relay socket pins 8 and 12, and unplug the relay from the socket. The relay socket pin numbers are on the socket. Figure 13 shows the socket pin numbers. Note: Bypassing the relay in this manner should be a temporary fix until the relay can be replaced.
   
   Figure 13 Relay Socket Pin Numbers

FUSES

Note: Other manufacturer’s fuses may be substituted for the Bussmann fuses.

CONNECTION POINTS

ELECTRO-MECH SCOREBOARD CO. FIVE YEAR LIMITED WARRANTY

THE ELECTRICAL COMPONENTS OF ALL ELECTRO-MECH SCOREBOARDS ARE GUARANTEED FOR A PERIOD OF FIVE (5) YEARS FROM THE DATE OF INVOICE AGAINST DEFECTS IN WORKMANSHIP OR MATERIAL AND WILL BE REPLACED OR REPAIRED WITHOUT COST TO THE OWNER PROVIDED THE EQUIPMENT OR PARTS ARE RETURNED POSTAGE-PAID TO THE FACTORY IN WRIGHTSVILLE, GA. SHIPPING BACK TO THE OWNER WILL BE VIA UPS GROUND SERVICE EXCEPT WHEN AIR OR SPECIAL METHOD OF RETURN IS SPECIFIED BY THE OWNER, IN WHICH CASE SHIPPING WILL BE FREIGHT COLLECT.

EXCLUDED FROM THIS WARRANTY ARE LAMPS, FUSES AND SOCKETS.

THIS WARRANTY DOES NOT INCLUDE LABOR CHARGES INCURRED IN THE REMOVAL OF COMPONENT PARTS, SERVICE CALLS, OR DAMAGES RESULTING FROM IMPROPER INSTALLATION, IMPROPER OPERATION, OR PROBLEMS CAUSED BY ANY REPAIR, ALTERATION OR MODIFICATION OF THE SCOREBOARD NOT PERFORMED BY ELECTRO-MECH.

EQUIPMENT WHICH IS SUBJECTED TO ACCIDENT, NEGLECT, ABUSE, MISUSE OR OTHER NATURAL DISASTERS, INCLUDING BUT NOT LIMITED TO FIRE, WIND, LIGHTNING, OR FLOOD, IS NOT COVERED BY THIS GUARANTEE.

Electro-Mech Scoreboard Co.
120 Industrial Parkway
Wrightsville, GA 31096
Phone: 800-445-7846
Fax 478-864-0212
Email: [email protected]

References

• Official Home of Mech
• Scoreboards – Sports Football Baseball Basketball – Outdoor Indoor Electronic LED!
• Manual-Hub.com – Free PDF manuals!

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