JVC DLA-G20U DLA-G20U User instruction manual (2.6MB) - Page 66
Troubleshooting
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Troubleshooting Solutions to common problems related to your projector are described here. If none of the solutions presented here solves the problem, unplug the projector and consult a authorized dealer or service center. Symptom Probable cause Corrective action Power is not supplied. • Is the power cord disconnected? • Insert the power cord (plug) firmly. • Is the main power switch turned on? • Turn on the MAIN POWER switch. • Is fuse burned out? • Turn off the main power switch, and check the fuse. If it is burned out, replace it. • Is the lamp-replacement opening cover • Turn off the MAIN POWER switch, closed correctly? close the lamp-replacement opening cover, and turn on the main power switch again. • Is the air filter closed correctly? • Turn off the MAIN POWER switch, fit the air filter correctly, and turn on the main power switch again. • Has the lamp life expired? (Has the lamp use time reached 1000 hours?) • Turn off the MAIN POWER switch, replace with a new light-source lamp, and turn on the MAIN POWER switch. Reset the lamp use time after replacing with a new lamp. Light is not emitted, or light level is low. • Is the lens cap removed? • Is the lamp life near its end? • Remove the lens cap. • Check the lamp use time on the menu, and if the lamp life is near its end, arrange for a replacement lamp, or replace a little earlier. With power on, • Is the air intake or exhaust area operation starts but blocked? stops in a few minutes. • Turn off the MAIN POWER switch, remove any blocking objects, and turn on the MAIN POWER switch again. Page 24 26 60 26, 62 26, 64 26, 61, 63 24 44 6, 8, 15, 26 Video image does not • Is the correct input selected? • Select the correct inputs with the 27 appear, or audio VIDEO and COMPUTER buttons. sound does not occur. • Are connected devices connected • Connect connected devices correctly. 20 correctly? While playing video, image is sometimes disturbed. • Are signals being supplied from the connected devices? • Set connected devices correctly. • Are input signals (scanning frequency, • Check if the signal is correct as input etc.) appropriate? (scanning frequency, etc.). Input the appropriate signal. • Is the source setting correctly selected? • Set the source setting to AUTO, or to Isn't the wrong source (forced mode) or the correct dedicated source (forced channel selected? mode) or channel. • Is brightness adjusted correctly? • Adjust brightness on the menu. • Is volume set at minimum? • Adjust volume with the remote control's VOL. (+/-) buttons. • Aren't video and audio turned off by pressing the remote control's AV MUTING button? • Press the remote control's AV MUTING button to turn video and audio on. • Weve adjustments performed correctly during installation?(Have you added any new device after installation adjustments?) • To have installation adjustments performed, ask the dealer where your projector or service senter. --- 19 47, 49, 54 40 28 29 Video image dims. • Is focus adjusted correctly? • Is distance too short or too long? • Are TRACKING and PHASE adjusted correctly? • Adjust focus with the remote control's FOCUS (+/-) buttons. • Set the projector at the correct distance. • Adjust TRACKING and PHASE on the menu. 28 16, 17 32, 38 ENGLISH (To be continued on the next page) 65