JBL SUB333 Service Manual

Contents

JBL SUB333 Service Manual Manual pdf 8 page image

will not display unless Adjustment +/– buttons are pressed.And, while the status-bar indicator 27) is on, channelindicators (28) and LVL (29) will not be displayed. Also, ifadjustments are done in a mode where a certain channel isnot available, the adjustment step for that channel isskipped. For example, in Phantom mode the center-channellevel cannot be adjusted since Phantom does not have acenter channel. In stereo, neither the center nor thesurround levels can be adjusted since Stereo does notfeature surround speakers or a center speaker. A seventhpress of the Level button will exit the ESC333 from itslevel-adjustment mode.11. AdjustmentThese buttons are used in conjunction with Test (8), Delay(9), and Level (10) to increase or decrease a setting.12. BassPress (+) to increase the level of low-frequency information.Press (–) to decrease the level of low-frequencyinformation.13. TreblePress (+) to increase the level of high-frequencyi n f o r m a t i o n . P r e s s ( – ) t o d e c r e a s e t h e l e v e l o fhigh-frequency information.14–17. InputOne of these four indicators will illuminate, depending onwhich input is selected.18–21. SurroundOne of these will illuminate, depending on which surroundmode is chosen.22. Dolby DigitalIndicates the presence of a Dolby Digital-encoded AC-3digital signal.23. 5.1-ChWorks in conjunction with the Dolby Digital indicator (22).This indicator illuminates when the Dolby Digital signalcontains 6 discrete channels of information (one subwooferand five satellite channels).24. Dolby Pro LogicIlluminates when Dolby Pro Logic decoding of a 2-channelsignal is taking place. This indicator may be on by itself(when analog inputs are used), in conjunction with DolbyDigital (when using a digital input where the AC-3 formatsignal contains two channels and needs to be decoded intomultichannel) or together with PCM (when using a digitalinput where 2-channel PCM-format data is being decodedinto multi-channel).25. PCMIlluminates when the signal supplied through the selecteddigital input is in PCM format.26. Late NightIlluminates when the Late Night compression is selected.27. Status-Bar IndicatorThese LEDS show the relative setting of volume, bass,treble, speaker level and speaker delay.28. Speaker IndicatorIdentifies the speaker that’s being adjusted. LS is LeftSurround, LF is Left Front, C is Center, RF is Right Front,RS is Right Surround, and SUB is Subwoofer.29. LevelIlluminates when the ESC333 is in speaker-level adjustmentmode.30. DelayIlluminates when the ESC333 is in speaker-delayadjustment mode.31. OnIndicates that the ESC333 is fully powered up.32. StandbyIndicates that the ESC333 is plugged into an active walloutlet and the master switch on the back panel is inOn/Standby position, but the unit is not powered on.33. MuteIlluminates when the mute function is activated (theESC333 will be on but will not produce any sound).8Dolby Pro-LogicÒ Surround Processor/Amplifier/Subwoofer SUB333