JBL SUB333 Service Manual

Contents

JBL SUB333 Service Manual Manual pdf 2 page image

2Dolby Pro-LogicÒ Surround Processor/Amplifier/Subwoofer SUB333TABLE OF CONTENTSESC333 SPECIFICATIONS ...........................................2IMPORTANT NOTE .......................................................4FEATURES.....................................................................4ESC333 SPEAKER, SOURCE & REMOTESENSOR CONNECTIONS.............................................5ABOUT DOLBY DIGITAL ..............................................5REMOTE AND FRONT-PANEL CONTROLSAND INDICATORS.........................................................6SUB333 BLOCK DIAGRAM...........................................9SUB333 UNIT EXPLODED VIEW ...............................10SUB333 MECHANICAL PARTS LIST .........................11SUB333 ELECTRICAL PARTS LIST .........................12ESC333 PACKING EXPLODED VIEW .......................20SUB333 MAIN PCB .....................................................21SUB333 POWER PCB.................................................22SUB333 DC PCB .........................................................23SUB333 JACK & CONTROL PCB's............................24SUB333 DECODER PCB (Top View) .........................25SUB333 DECODER PCB (Bottom View) ....................26SUB333 LIMITER PCB ................................................27INTEGRATED CIRCUIT DIAGRAMS ..........................28SUB333 WIRING DIAGRAM .......................................34SUB333 LIMITER SCHEMATIC ..................................35SUB333 AC3 SCHEMATIC .........................................36SUB333 MAIN SCHEMATIC .......................................37ESC333 SPECIFICATIONSLINE VOLTAGE Voltage Hi/Lo LineUS 120vac/60Hz Yes 120VAC 108-132VACEU 230vac/50-60Hz Yes 230VAC 207-264VACParameter Spec. Unit Conditions NotesSat. Amplifiers 30w x 5 ch. sectionType (Class AB, D, other) AB — ESC350 Sink requiredLoad Impedance (speaker) 6 Ohms Nominal Z-curve requiredRated Output Power 30 Watts ALL CH.driven Marketing Spec.THD@ Rated Power 0.08 % 22k filter 30w (BW 120Hz-15kHz)THD @ 1 Watt 0.1 % 22k filterMax. Output Power 35 Watts 2 ch. Stereo Mode Max @1%THDDC Offset 2 mV-DC @ Speaker OutputsDamping factor >200 DF —Input Sensitivity (L,C,R,LS,RS)Input Frequency 1k Hz Nominal Freq. 1 input drivenLine Input: Video/AUX 265 mVrms To Rated Power/ Vol @ Max 1 input drivenSignal to Noise (L,C,R,LS,RS)SNR-A-Weighted 100 dBA relative to 30w power/ 1k ohm term. A-Weighting filterSNR-unweighted 75 dBr relative to 30w power/ 1k ohm term. 22k filterSNR rel. 1W-unweighted 65 dBr relative to 1W Output/ 1k ohm term. 22k filterResidual Noise Floor 1 mVrms Volume @max, using RMS readingDMM/VOM (or A/P)Filters/EQ (L,C,R,LS,RS)HPF,Notch,HF boost Fixed dBr 0dBr = 1w @ 1kHzSubwoofer Amp 60w x 1 ch. sectionType (Class AB, D, other) AB — —Load Impedance (speaker) 4 Ohms NominalRated Output Power 60 Watts ALL CH.drivenTHD@ Rated Power 0.08 % 22k filter 60w (BW 30-120Hz)