Everbrite Electronics All American Scoreboards MP-2220 Troubleshooting guide

OPERATING INSTRUCTIONS AND SERVICE MANUAL
BASKETBALL SCOREBOARD
MODEL MP-2220
FI/ 4
0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
0 00 0 0 00 0
0 00 0 0 00 0
0000 0000 0000 0000
0 00 0
0 00 0 0 00 0
0000 0000 0 00 0
0000 0000
a
2 PERIOD 3 4
8 BONUS 0
0 0 8 BONUS
-
E'S
.-4
+.s *#--
9" .I.---
* .*-
EFFECTIVE S.N.XXXX, MAY 1,1992

TABLE OF CONTENTS
1. GENERAL INFORMATION
1.1 DESCRIPTION
1.2 IDENTIFICATION
1.3 DAMAGE
1.4 DAMAGE CLAIM PROCEDURE
2. INSTALLATION
2.1 GENERAL INFORMATION
2.2 INSPECTION
2.3 PRETEST
2.4 DATA CABLE INSTALLATION
2.5 ELECTRICAL CONNECTIONS
3. CONTROL CONSOLE OPERATION
3.1 SCOREBOARD POWER
3.2 CONSOLE DISPLAY
3.3 CONSOLE POWER
3.4 INITIALIZING SCOREBOARD
3.5 TIME SETTING AND CONTROL
3.6 FINAL MINUTE 1/10 SECOND TIME OFTION
3.7 TEAMSCORES
3.8 HORN
3.9 BONUS INDICATOR
3.10 PERIOD INDICATORS
3.11 TIMEOUT PERIOD
4. MAINTENANCE AND TROUBLESHOOTING
4.1 INTRODUCTION
4.2 TEST EQUIPMENT
4.3 TROUBLESHOOTING
4.4 TROUBLESHOOTING GUIDE
5. REPLACEMENT PARTS LIST
5.1 SCOREBOARD DISPLAY PARTS
5.2 SCOREBOARD CONTROLLER ASSEMBLY PARTS
6. DIAGRAMS
6.1 CONTROL CONSOLE KEYBOARD AND SLIPSHEET LAYOUT
6.2 SCOREBOARD SYSTEM LAYOUT
6.3 SINGLE WALL JUNCTION BOX WRING DIAGRAM (C-12675-2)
6.4 DUAL WALL JUNCTION BOX WRING DIAGRAM 1C-12675-3)
6.5
CONTROLLER PLATE WRING AND LAYOUT @-13202)
6.6 LINE FILTER WRING DIAGRAM (8-151507)
6 7 MICROPROCESSOR 4 X 7 LAMP PATTERN (8 BIT)
6.8 FIGUREGRAM WRING DIAGRAM (C-150429)
6.9
FIVE POSITION DRIVER BOARD JUMPER LOCATION (B-151285)
6.10 TRIAC PLACEMENT DIAGRAM
6.11 INSTALLATION DRAWING (A-13400)

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 ServiceDepartment
EVERBRITE Corporation
P.O.
Box 97
Pardeeville, WI 53954
Telephone: [phone]
Toll Free: 800-356-8146
Parts being returned for repair are to be sent to:
ALL-AMERICAN ServiceDepartment
EVERBRITE Corporation
401 S. Main Street
Pardeeville,
WI 53954
NOTE
If you need to send parts in for repair, please call the ALL AMERICAN
service department for a returned goods authorization (RGA) number.
1.2 Identification
ALL-AMERICAN uses a 4 digit serial number for scoreboard identification. The
serial number tags are located on the back of the control console and the lower right
hand comer on the face of the scoreboard display. When contacting the factory for
assistance it is important that the model number and serial number are known.
1.3 Damage
Upon receipt, check for visible damage. If this occurs, or if damage is found after
shipment has been accepted, follow the damage claim procedure.
1.4 Damage Claim Procedure
An instruction sheet is enclosed advising the consignee in case of damage in transit.
If damage is noted at the time of delivery, consignee must obtain an 'Inspection of
Bad Order' from the delivering carrier. In order to process your claim, this must be
properly filled out with a complete statement of all damage and it must be signed by
the camer.

If damage is discovered after delivery, you should call the delivery company. Have
them make out a Concealed Damage
Report. Fifteen days after delivery are allowed,
so this should be done promptly or it is impossible to process this claim.
Advise
EVERBRITE corporation of necessary replacement parts, or repairs.
Consignee
will be invoiced and then should file a claim with the carrier to recover
charges. 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
@) Original paid freight bill
(c) Certified copy of original invoice
(d) Standard form for presentation of loss and damage claim
2. INSTALLATION
2.1 General Information
Shipping papers accompany each scoreboard. Check carefully to see that you receive
the following:
i
1 ea Basketball Display
1 ea Control Console
1
ea Service Manual
1 ea Mounting Hardware Package
1 ea Wall Junction
Box
1 ea Basketball Horn
? ft Control Cable (if ordered)
2.2 Inspection
Inspect each unit and tighten all screws, lamps, and fittings that may have loosened
in shipment.

NOTE
A small length of rubber hose may be used as a lamp extractor. Simply
taper the inside of the hose with
a sharp knife to fit the lamp.
2.3 Pre-Test
Before installing the scoreboard, pre-test
all functions.
(A) Connect the scoreboard to
a 20 AMP, 120 Volt AC circuit.
) Plug the control console into the top of the scoreboard.
(C) Test operate
all functions on the scoreboard according to operating instructions
in section
3 of this manual.
@) When all the functions test out, disconnect the power and the control
console before hanging the scoreboard.
2.4 Data Cable Installation
The MP-41 data cable carries only low voltage signals and therefore can be installed
with or without conduit. consult section
6 for junction box and scoreboard wiring.
2.5 Electrical connections
5
This scoreboard requires a 120 V. 20 AMP AC circuit for the exclusive use of the
scoreboard.
3. CONTROL CONSOLE OPERATION
3.1 scoreboard Power
Turn on the branch circuits to the scoreboard. The Home and Guest scores will
show "Ow,and the timer will show
":0OU.

3.2 Console Display
The
2 lime by 20 character Liquid Crystal Display module displays the scoreboard
information entered from the keyboard. The following information is displayed
continuously: Time, Home and Guest scores, Home and Guest
Team Fouls, Period,
Home and Guest Bonus, Ball Possession, Auto Horn Enable, and 1/10 Second
Enable.
3.3 Console Power
Plug the control console cable into the walljunction box.
Push once to turn the console on.
Push a second time to shut the console off.
When first turned on; the console display should show as follows.
3.4 To Use Scoreboard
Enter the two digit code
(55) shown in the lower right comer of the keyboard as in
the following example:
Push
When the proper code has been entered, the console display will show as follows.
3.5 Time Setting and Control
To set an
8 minute period, Push:
Any time up to 9959 may be preset in a similar manner.
The key determines the timer mode. When in the
UP mode an arrow
up symbol is displayed next to the time on the LCD display. If in the
DOWN mode
there is no arrow displayed.

Switching the time toggle switch to the IN and OUT position, starts and stops the
timer.
Push to return the timer to the previously set value.
3.6 Final Minute 1/10 Second Option
The control console is capable of displaying 1/10 second during the final minute of
the
period.
Push to enable the scoreboard to display the 1/10 second
during the final minute of the
period. A 'T' is displayed on the LCD to indicate this
function is enabled.
The scoreboard timer digits shift two positions to the left
in the final minute of play
and 1/10 seconds are displayed.
Push again to disable this function.
3.7 Team Scores
The Home and Guest Scores can be changed in five different ways.
(A) To add 1 to the existing score: Push
(B) To add 2 to the existing score: Push
(C)
To add 3 to the existing score: Push
@) To directly enter or correct a score: Push Home or Guest followed
by the desired number, then
Example: Present Home Score is 15. Change the score from 15 to
23.
p(.
Push: Home SCORE
@) To clear the score: Push
7

3.8 Horn
The horn will blow for
112 second each time
The horn
will blow automatically at the end of each period for 2 seconds.
The automatic horn function may be disabled by using the
An 'H' is displayed on the LCD when this function is enabled.
3.9 Bonus Indicators
Push Home or Guest BONUS to illuminatethe appropriate bonus indicator.
A
El
' < B' or 'B > ' will be displayed when the bonus is illuminated.
3.10 Period Indicators
Push
PEIUOD once to increment the period indicator. The LCD display will
0
show the period directly below the time.
3.11 Timeout Period
An automatic timeout period of
1 minute is provided for "Time Outs" when the main
i timer is not running.
to start the 1 minute timer. The
LCD will show
"TIME OUT = 1:OO" and start to count down. When 1 minute has elapsed the
internal beeper sounds, and the display returns to the current game time.
If you want to return to play before the Time Out Timer gets back to zero,
push: and the console will return to play mode.

4. MAINTENANCE AND TROUBLESHOOTING
4.1 Introduction
This section gives maintenance and troubleshooting information. Included
are
troubleshooting guides for typical scoreboard malfunctions. If the cause of a problem
cannot
be determined, please contact the customer service department.
4.2 Test Equipment
A simple analog or digital voltmeter will be sufficient for
all user repairable
problems. Printed circuit boards requiring troubleshooting should
be returned to the
.
factory.
4.3 Troubleshooting
Whenever possible, follow the troubleshooting guides prior to contacting the
customer service department. If a problem not described in the guides exists, contact
the customer service department immediately. Refer to the diagrams provided for
assistance in troubleshooting scoreboard malfunctions.
4.4 Troubleshooting Guides
(A) Scoreboard doesn't light and console doesn't work
(a) Check that the main power switch is turned on.
@) Replace any defective or blown fuses.
(c) Check the power connections and voltages at the scoreboard.
(d) Contact the customer service department.
(B) Scoreboard digits don't light, but the console works
(a) With the main power switch "off"; remove the cover over the controller
assembly.
@) 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.
If the voltage is less than 8 VAC contact the customer service department.
If the voltage is between 8-12 VAC see the replacement parts list for a
receiver PCB assembly, and contact the customer service department.
(C) The scoreboard digits light but the console doesn't work
(a) Check for continuity between the scoreboard and the junction box.

(b) If an open circuit is found, the problem is either the cable or a cable
connection.
(c) If the continuity test checks good, check the voltage between
the green wire
and the white wire in thejunction box, using
a voltmeter set on the 12 VAC
or higher scale.
If the voltage is
0 VAC see the controllerparts list for a transformer
assembly.
If the voltage is less than
8 VAC consult the controller wiring diagram for
instructionson long cable compensation.
If the voltage is between
8 VAC and 12 VAC contact the customer service
department.
@) The scoreboard digits light, the console works, but there is no control of the
scoreboard.
(a) Check the voltage between the black and red wires in the junction box with a
voltmeter set on the
3 VDC or higher scale. The voltage should read
somewherebetween
2-3 VDC when the console is working properly.
@) If the voltage is 0 VDC contact the customer service department for
assistance.
(c) If the voltage is correct,
(2-3 VDC) check that this reading also appears at the
scoreboard.
(d) If the correct voltage also appears at the scoreboard, see the replacement parts
list for a receiver PCB assembly.
(E) The scoreboard works, but some lights stay on all the time
(a) With the main power
"OFF", switch the plug from the bad digit with the plug
for a known good digit.
EXAMPLE: Plug "C" into "D" and "Dminto "C" locations.
@) Turn the power back on. If the same lamps remain lit all the time, the
problem is a shorted lamp socket. If the lamps on
a different digit now stay lit
all the time, the problem is on the driver PCB assembly. See the replacement
parts list for the proper replacement
part.
(F) 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.

5. REPLACEMENT PARTS LIST
5.1 Scoreboard Display Parts
figure 1
DISPLAY ASSEMBLY

Lamp, 7C71125V White
Lamp, 7C71125V Amber
Lamp, 25Wl130V Red
Lamp,
1 lWl130V Green
Controller Assembly
*****SEE FIGURE 2*****
Line Filter, Mallory
Resistor, 2
OHM 10WATT
'
SU4450
HB005500
HB002300
SW005100
702785
EL053000
HB002400
WHO09100
122763
151204
702786
150500
150205
702786
150500
700618
Control Console
Slipsheet Pair
Transmitter PCB Assembly
Toggle Switch,
Connector, 5 Pin Male Cable
LCD Display, 2 Line 20 Character
Keyboard Assembly,
Ribbon Cable Assembly, 14C 8"
Enclosure,
Wall Junction Box, Single
Connector, 5 Pin Female
Cable, MP-41 Control
Wall Junction Box, Dual
Connector, 5 Pin Female
Cable, MP-41 Control
Diode, 1N457A
A1
S 1
P1
J1
J1-J3
DUD2
SU4450
HI3005500
HB002300
SW005100
RM12BPG5P
HI3002400
WHO09100
151204
RM12BRDSS
8723
150205
RM12BRDSS
8723
1N457A

5.2 Scoreboard Controller Assembly Parts
figure 2
CONTROLLER ASSEMBLY
Controller Assembly
Receiver PCB Assembly
*** PROGRAM 3MP-CNT-V00***
Driver PCB Assembly, 5 Position
Terminal Block, 3C
Terminal Block, 12C
Transformer, 8Vl18V
Horn Suppressor Assy. ERZ-C2ODK201U
Capacitor, 0.02 MFD 400V.
Ribbon Cable Assy, W12 Fem.Connectors
Spacer, P.C.Board

6. DIAGRAMS
6.1 Control Console Keyboard and Slipsheet Layout
CONSOLE KEYBOARD
i
I HOME TEAM I EEaEa
EIBD EII-IU
ra DOII-I
11 mu
YY6
Hma/cm
rn 0 I"

6.2 Scoreboard System Layout
WALL OUTLET-
-- ~
\ ( .I 20 V / 60 HZ
C I(I- POWER SOURCE
I J
120 V / 60 HZ
>--)
POWER SOURCE
MP-4
1
/DATA
CABLE
WALL
JUNCT
I ON
>? A/
\TH I s
SIDE
FOR
DUALS
ONLY
MP-4
1
J DATA
CABLE
SYSTEM LAYOUT
16
0
-Co
SCORE
\ KEEPERS
0
-

6.3 Single Wall Junction Box Wiring
SINGLE JUNCTION BOX WIRING
17

6.4 Dual Wall Junction Box Wiring
( JUNCTION BOX COVER 1
DATA &\\
TO
SCOREBOARD TO
SCOREBOARD
DUAL JUNCTION BOX WIRING
18

6.5 Controller Assembly Wiring
1228 WATTS
CONTROLLER ASSEMBLY

6.6 Line Filter Wiring Diagram *
1 15 VAC, 60 HZ
LINE FILTER WIRING
20