JBL SUB333, Service Manual

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Dolby Pro-Logic Ò Surround Processor/Amplifier/Subwoofer SUB333
TABLE OF CONTENTS
ESC333 SPECIFICATIONS...........................................2
IMPORTANT NOTE .......................................................4
FEATURES.....................................................................4
ESC333 SPEAKER, SOURCE & REMOTE
SENSOR CONNECTIONS.............................................5
ABOUT DOLBY DIGITAL ..............................................5
REMOTE AND FRONT-PANEL CONTROLS
AND INDICATORS.........................................................6
SUB333 BLOCK DIAGRAM...........................................9
SUB333 UNIT EXPLODED VIEW ...............................10
SUB333 MECHANICAL PARTS LIST .........................11
SUB333 ELECTRICAL PARTS LIST .........................12
ESC333 PACKING EXPLODED VIEW .......................20
SUB333 MAIN PCB .....................................................21
SUB333 POWER PCB.................................................22
SUB333 DC PCB .........................................................23
SUB333 JACK & CONTROL PCB's............................24
SUB333 DECODER PCB (Top View) .........................25
SUB333 DECODER PCB (Bottom View)....................26
SUB333 LIMITER PCB ................................................27
INTEGRATED CIRCUIT DIAGRAMS ..........................28
SUB333 WIRING DIAGRAM .......................................34
SUB333 LIMITER SCHEMATIC ..................................35
SUB333 AC3 SCHEMATIC .........................................36
SUB333 MAIN SCHEMATIC .......................................37
ESC333 SPECIFICATIONS
LINE VOLTAGE Voltage Hi/Lo Line
US 120vac/60Hz Yes 120VAC 108-132VAC
EU 230vac/50-60Hz Yes 230VAC 207-264VAC
Parameter Spec. Unit Conditions Notes
Sat. Amplifiers 30w x 5 ch. section
Type (Class AB, D, other) AB — ESC350 Sink required
Load Impedance (speaker) 6 Ohms Nominal Z-curve required
Rated 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 filter
Max. Output Power 35 Watts 2 ch. Stereo Mode Max @1%THD
DC Offset 2 mV-DC @ Speaker Outputs
Damping factor >200 DF —
Input Sensitivity
(L,C,R,LS,RS)
Input Frequency 1k Hz Nominal Freq. 1 input driven
Line Input: Video/AUX 265 mVrms To Rated Power/ Vol @ Max 1 input driven
Signal to Noise (L,C,R,LS,RS)
SNR-A-Weighted 100 dBA relative to 30w power/ 1k ohm term. A-Weighting filter
SNR-unweighted 75 dBr relative to 30w power/ 1k ohm term. 22k filter
SNR rel. 1W-unweighted 65 dBr relative to 1W Output/ 1k ohm term. 22k filter
Residual Noise Floor 1 mVrms Volume @max, using RMS reading
DMM/VOM (or A/P)
Filters/EQ (L,C,R,LS,RS)
HPF,Notch,HF boost Fixed dBr 0dBr = 1w @ 1kHz
Subwoofer Amp 60w x 1 ch. section
Type (Class AB, D, other) AB — —
Load Impedance (speaker) 4 Ohms Nominal
Rated Output Power 60 Watts ALL CH.driven
THD@ Rated Power 0.08 % 22k filter 60w (BW 30-120Hz)