Nevco Indoor LED Scoreboard Installation Manual

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WIRED TROUBLESHOOTING GUIDEThe figure to the rightlabels the connectionsfrom A – M. The chartbelow lists the problemthat can be identifiedshould any connectionbe faulty. Check thecontrol and servicemanual for more detailedinformation.NOTE: The number thatappears above a letterrefers to the number ofwires or conductors inthe cable.BranchCircuitControl3A2 (coax)BPowerSupplyScoreboardInterface4C8DILM-2SIC1-8BLHornsETNMasterDigit8E2I2HornK 6L10FDriverBacklightsHome/Guest8H10G2J6MSlaveDigitTo NextDigitTo NextBacklightTo NextETN PanelSituation Symptom Connection SolutionThe Scoreboardhas no digitsilluminatedSome digits notilluminated, ornon-workingaccessoryWhen power is first applied the timer section does notrotate through a test patternWhen power is first applied the timer section rotatesthrough a test pattern, but then the display goes out.ACEBDCheck branch circuit breaker and power connectionsCheck connection on ILM and power supply terminal screwsCheck connection to first digit in timer sectionCheck Coax connections. Plug control directly into the top of the board toeliminate installed coax cable. If that works, the cable run or terminations arebad. Try the 301 Model code, see control users manual on testing.Check connections on inside of board at the SIC and at the ILMOnly one digit F / G / H Check 10-pin connection on Driver card and 2-pin on single segmentsHorn K Check 2-pin connection on ILM and at horn (2 horns ea.)Backlight channelsI / JCheck 2-pin connection on ILM and at backlight. Check instructions to see ifthe backlights are supposed to be ON.All or partial ETN’s not working L / M Check 6-pin connection from ILM to ETN and between ETN panelsPage 4
Wireless Troubleshooting GuideThe figure to the right labels connections (A – E) useful to troubleshooting. The chartbelow lists the problem that can be identified should any connection be faulty. Checkthe control and service manual for more detailed information.NOTE: The number that appears above a letter refers to the number of wires orconductors in the cable.ControlBranchCircuit3 DPowerAdapter0900MhzE2CReceiver3A2 (coax)BSame diagram andtroubleshooting from “WiredTroubleshooting Guide”Situation Symptom Connection SolutionTheScoreboardhas no digitsilluminatedSome digits notilluminated, ornon-workingaccessoryWhen power is first applied to the board the timersection does not rotate through a test patternWhen power is first applied the timer sectionrotates through a test pattern, but then the displaygoes out.Receiver has No LEDs illuminated during first 5 seconds afterpower upReceiver LED Not ON solidAOtherBADCECheck branch circuit breaker and power connectionsSee “Wired Troubleshooting Guide”Check Coax connections. Plug control directly into the top of the board. Try the 301Model code, see control users manual on testing.Check branch circuit breaker and power connectionsIf the duplex receptacle has power, but the adapter LED is OFF, replace adapterEnsure DC plug is fully seated in receiver DC jack and making good connectionReplace ReceiverFollow control troubleshooting procedures, wrong wireless group, etc.Receiver should be in clear line of sight from control.See “Wired Troubleshooting Guide” Other See “Wired Troubleshooting Guide”Page 5
Page 4: 3. Electrical ConnectionsPower Serv
Page 9 and 10: Service RequestScoreboard Serial #
Page 12 and 13: Table of ContentsINSTALLATION INSTR
Page 14 and 15: Additional Suggested Mounting Metho
Page 16 and 17: Electrical ConnectionsRefer to inst
Page 18 and 19: Computer is Connected to an existin
Page 20 and 21: Situation Symptom Connection Soluti
Page 22 and 23: DISPLAY PanelA group of pixels. Sev
Page 24: Notes12

Nevco Indoor LED Scoreboard Installation Manual

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