Jbl sub 333 service manual
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Page 1
93L SUB333
60W Subwoofer
(Part of the ESC333 system)
SERVICE MANUAL
JBL Consumer Products Inc.
250 Crossways Park Drive
Woodbury, N.Y. 11797
1-800-336-4JBL in the USA
H A Harman International Company
Rev A 2/00
Page 2
Dolby Pro-Logic® Surround Processor/Amplifier/Subwoofer EJIIL SUB333
TABLE OF CONTENTS
E80333 SPECIFICATIONS ........................................... 2 SU8333 MAIN PCB ..................................................... 21
IMPORTANT NOTE ....................................................... 4 SU8333 POWER PCB ................................................. 22
FEATURES ..................................................................... 4 SUBSSS DC PCB ......................................................... 23
E80333 SPEAKER, SOURCE & REMOTE SUBS33 JACK & CONTROL PCBS ............................ 24
SENSOR CONNECTIONS ............................................. 5
SUBB33 DECODER PCB (Top View) ......................... 25
ABOUT DOLBY DIGITAL .............................................. 5
SUBB33 DECODER PCB (Bottom View) .................... 26
REMOTE AND FRONT-PANEL CONTROLS
AND INDICATORS ......................................................... 6 SUB333 LIMITER PCB .........................
SUB333 BLOCK DIAGRAM ........................................... 9 INTEGRATED CIRCUIT DIAGRAMS 28
SUB333 UNIT EXPLODED VIEW ............................... 10 SUBS33 WIRING DIAGRAM 34
SUBBSS MECHANICAL PARTS LIST.... SUBSSS LIMITER SCHEMATIC . 35
SUBS33 ELECTRICAL PARTS LIST ._12 SUBSSS AC3 SCHEMATIC .. 36
E80333 PACKING EXPLODED VIEW .......... 2O
SUB333 MAIN SCHEMATIC
ESC333 SPECIFICATIONS
LINE VOLTAGE Voltage Hi/Lo Line
US 120vac/60Hz Yes 120VAC 108-132VAC
EU 230vac/50-60HZ Yes 230VAC 207-264VAC
Parameter I Spec. Unit Conditions Notes
Sat. Amplifiers 30w x 5 ch. section
Type (Class AB, D, other) AB 7 E80350 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 7
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
DMMNOM (or A/P)
Filters/EQ (LCIRLSYRS)
HPF,Notch,HF boost Fixed dBr OdBr = 1w @ 1kHz
Subwoofer Amp 60w x 1 ch. section
Type (Class AB, D, other) AB 7 7
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)