Numeric Scoreboard
Maintenance and Troubleshooting
8-4
8.7 Lightning Protection
The transient voltage surge suppresser (TVSS), located in the load center, reduces the brief surge
induced into the power lines when lightning strikes in the vicinity of the scoreboard. A varistor in the
power lines to the driver logic also helps to protect this circuit by reducing such surges.
The use of a disconnect near the scoreboard to completely cut all current-carrying lines significantly
protects the circuits against lightning damage. The National Electrical Code also requires it. In order for
this to provide protection, the power must be disconnected when the scoreboard is not in use. The
control console should also be disconnected from power and from the signal J-box when the system is
not being used. The same surges that may damage the scoreboard’s driver can also damage the
console’s circuit.
8.8 Replacement Parts
Refer to the following table for Daktronics baseball scoreboard replacement parts. Refer to Section
9.14 for a listing of parts required for the service of the team name message centers. Refer to Section
9.15 for a description of Daktronics Exchange and Repair and Return Programs. Important: When the
lamp drivers are replaced, plugs P25 and P26 (if present) must be removed from the old driver and
plugged into the new driver.
Description Location Daktronics Part No.
Fuse; AGC-1/2 F17 in lamp driver F-1000
Fuse; AGC-10 F1 - F16 in lamp driver(s) F-1006
Lamp, 25W, 120 V 3x5 and 24" digits, 15" and 18" 4x7 DS-1029
Lamp, 30W, 130 V 15" and 18" 4x7 digits DS-1182
Lamp, 40W, 120 V Indicators DS-1163
Lamp, 25A19, 230 V frosted Digits and indicators DS-1363
Plug,
1
/
4
" phone Signal P-1003
Socket, lamp, med. base All lamps X-1301
Socket*, lamp, med. base, insulation
displacement
All lamps X-1294*
J-box,
1
/
4
" phone, indoor Signal 0A-1009-0038
J-box,
1
/
4
" phone, outdoor Signal 0A-1091-0227
Signal surge arrestor Power/signal entrance enclosure 0P-1033-0114
12V DC trumpet horn asm. Scoreboard 0A-1091-1213
Lamp driver, 8-column Scoreboard 0A-1033-0126
Lamp driver, 16-column Scoreboard 0A-1033-0125
Lamp driver, 230 V 8-col. Scoreboard 0A-1033-0130
Lamp driver, 230 V 16-col. Scoreboard 0A-1033-0129
Signal cord;
1
/
4
" phone 20’ N/A W-1236
Signal cord;
1
/
4
" phone 30’ N/A W-1238
Signal cord;
1
/
4
" phone 50’ N/A W-1237
18" 4x7 shade screen 18" 4x7 digits or 3x5 digits 0S-1064-0001
24" 4x7 shade screen 24" 4x7 digits 0S-1064-0002
15" 4x7 shade screen 15" 4x7 digits or 3x5 digits 0S-1064-0074
30" 4x7 shade screen 30" 4x7 digits 0S-1091-0002
*This part, X-1294, is intended for use with scoreboards shipped after October, 2001. Models shipped prior to
that date will continue to use original equipment.
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