Jbl tsssub 4000 service manual
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Extracted text from jbl tsssub 4000 service manual (Ocr-read)
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CONTENTS BASIC SPECIFICATIONS . . . . . . . . . ………………………………………….1 DETAILED SPECIFICATIONS . . . . . . . . . . . ………………………………….2 CONTROLS. ………………….. .. . ………………………\ …………... . . . . . . .4 CONNECTIONS . . . . . . . . . . . ……….………………………\ ………..…. . . . 5 OPERATION……. . . . . .. . . . . . . . .. .. . . . .. .. . . . . ….……… .\ . ... . . . . . . .6 EXPLODED VIEW S-MECHANICAL PARTS LIST….… . … . .. . . .. . … . ….7 TEST SET-UP & PROCEDURE……………………….. .. .. . . ……………..\ .9 BLOCK DIAGRAM. . . . ………………... ………………………………… . … . 10 TROUBLESHOOTING FLOW CHART…………………….…………………….11 SERVICE NOTE - POW ER TRANSFORMER…………………….…………12 ELECTRICAL PARTS LIST …………………… ………………..………………13 PCB DRAW INGS. . . ………………... …………………………………………..17 IC – TRANSISTOR PINOUTS . … . . .. . . . . . ………………………….... . .\ . 20 SCHEMATIC DIAGRAMS (120v). . ……………………………… ………..…. . .21 PACKAGING. ………………….. .. . ……… …………\ ……………... . . . . . . 31 SPECIFICATIONS Frequency Response 28Hz – 150Hz (–3dB) 24Hz – 180Hz (–6dB) Maximum Amplifier Output 400 watts RMS (20Hz – 150Hz with no more than 0.1% THD) Crossover Frequency 150Hz, 12dB/octave Driver 12" (305mm) MMD® Dimensions (H x W x D) 17-1/2" x 17-1/4" x 11-1/8" (445mm x 438mm x 283mm) W eight 48 lb (21.8kg) Infinity continually striv es to update and improv e existing products, as well as create new ones. The specifications and construction details in this and related Infinity publications are therefore subject to change without notice. TSS-SUB4000 1
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TSS-4000 subwoofer 300W Powered Sub/ Plate Amp LINE VOLTAGE Yes/No Hi/Lo Line Nom. Unit Notes US 120vac/60Hz Yes 108-132 120 Vrms Normal Operation EU 230vac/50-60Hz No 207-264 230 Vrms Normal operation, MOMS required Asia 100vac/50Hz No 90-110 100 Vrms Normal Operation Parameter Specification UnitQA Test Limits Conditions Notes Amp Section Type (Class AB, D, other) D --- Load Impedance (speaker) 4 Ohms Nominal Z-curve required Rated Output Power 300 Watts Regulated 120 V line 5% tollerance applies THD@ Rated Power 1 % 22k filter, 50Hz 300W +/- 5% THD @ 1 Watt 0.5 % 22k filter, 50Hz DC Offset undefined mV-DC < 20 @ Speaker Outputs Damping factor 20 N/A > 15 measured at 50 Hz Input Sensitivity Line/Hi Level Input Phase N/A Line Input 370 mV mVrms 300 W @ 50Hz 1 input driven Speaker/Hi Level Input N/A Signal to Noise SNR-A-Weighted 100 dBA relative to rated power A-Weighting filter SNR-unweighted 70 dBr relative to rated power 22k filter SNR rel. 1W-unweighted 60 dBr relative to 1W Output 22k filter Residual Noise Floor 2 mVrms Volume @max, using RMS reading DMM/VOM (or A/P) Residual Noise Floor 1 mVrms(max) Volume @max, w/ A/P Swept Bandpass Measurement (Line freq.+ harmonics) Input Impedance Line Input 10 k ohms Nominal Speaker/Hi Level Input N/A Active Filters Low Pass (fixed or variable) FIXXED -- Frequency 130 Hz Slope 24 dB/OctaveQ Butterworth -- Subsonic filter (HPF) fixed -- Frequency 35 Hz Slope 12 dB/OctaveQ 1.2 -- Line Out Filter (HPF) NONE -- Frequency Hz Slope dB/OctaveQ -- Friend Circuit FIXXED -- Frequency 66 Hz Hz notch filter Slope 6 dB/OctaveQ 1.2 -- Video Boost NONE -- Boost dB Range Hz Special filter RABOS -- Switches Main Power ON/OFF YES -- Type rocker -- Located on amp plate TV-5 Rabos ON/OFF YES -- Type mini togle -- Located on amp plate Polarity Switch YES -- "Off": 0°; "On": 180° Type mini togle -- Located on amp plate Limiter (yes/no) YES compressor and limiter TSS-SUB4000 2