JBL 1500Array sm 电路图.pdf
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1、 Project Array 1500 Array Subwoofer Service Manual JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 Rev0 4/2006 RadioFans.CN 收音机爱 好者资料库 - CONTENTS - BASIC SPECIFICATIONS .1 PACKING.2 DETAILED SPECIFICATIONS .3 CONNECTIONS.5 OPERATION .6 BASIC TROUBLESHOOTING7 EXPLODED VIEW/PARTS
2、 LIST.8 TEST SET-UP AND PROCEDURE.9 BLOCK DIAGRAM.10 ELECTRICAL PARTS LIST.11 P.C.B. DRAWINGS.16 IC/TRANSISTOR PINOUTS.22 SCHEMATICS.23 1500 ARRAY SPECIFICATIONS General Output 1000W Low-Frequency Transducer W1500H 15 Pulp-cone driver Frequency Response (-3dB) 25Hz 400Hz, variable Crossover Frequenc
3、ies 40Hz-140Hz HP Port 4 Flared Dimensions (H x W x D) 23 x 19-1/2 x 19 (584mm x 495mm x 483mm) 21 (533mm) Deep with grille Weight 125 lb (57kg) JBL continually strives to update and improve existing products, as well as create new ones. The specifications and details in this and related JBL publica
4、tions are therefore subject to change without notice. 1 1500 Array Subwoofer 1500 Array Subwoofer RadioFans.CN 收音机爱 好者资料库 Ref# Part Number Description Qty 1 361041-002 1500 Array Owners Manual 1 2 331994-001 JBL Warranty Card 1 3 361408-001 1500 Array Outer Carton 1 4 354374-001 Packing Foam (Top) 1
5、 5 354374-001 Packing Foam (Bottom) 1 6 340805-006 (Plate) Feet 4 2 1500 Array Subwoofer 1500 Array Subwoofer RadioFans.CN 收音机爱 好者资料库 1500 Array Powered Sub/ Plate Amp LINE VOLTAGEYes/NoHi/Lo LineNom.UnitNotes US 120VAC/60HzYES108-132120VrmsNormal Operation EU 230VAC/50-60HzYES207-264230VrmsNormal o
6、peration, MOMS required Asia 100VAC/50HzYES90-110100VrmsNormal operation, MOMS required ParameterSpecificationUnit QA Test LimitsConditionsNotes Amp Section Type (Class AB, D, other)Dn/an/a Bridge type amplifier, None of the speaker terminals must be connected to system GND at any time. Load Impedan
7、ce (speaker)8Ohmsn/aNominal Rated Output Power650Watts5931 input drivenTest frequency 100 Hz THD Rated Power0.5%122K filter THD 1 Watt0.1%0.222K filter Dynamic Power700Watts690 Power is the average measurement of the first four consecutive peaks of the burst signal 3/20 Cycles 50 Hz, burst test into
8、 8 Ohms, input driven with 800mV RMS DC Offset20mV-DC100 Speaker Outputs Damping factor20DF15Measured at amplifier board Measured at the speaker cable. 500 Watts, measured at speaker output terminals located at the amp board. Input Sensitivity Input Frequency100Hz100Nominal Freq. Line level input 11
9、.69mVrms2dBTo 1 Watt Single input driven, Ap Zo=600 Ohms, LFE mode, Volume ctrl. at max. Signal to Noise SNR-A-Weighted100dBA95Relative to rated power (650 Watts) A-Weighting filter SNR-unweighted95dBr90Relative to rated power (650 Watts) 22K filter SNR rel. 1W-unweighted70dBr65Relative to 1W Output
10、22K filter Residual Noise Floor0.5mVrms1 Volume max, LFE Mode, using RMS reading DMM/VOM (or A/P) Residual Noise Floor0.5 mVrms(max)1 Volume max, LFE Mode, w/ A/P Swept Bandpass Measurement (Line freq.+ harmonics) Input Impedance Line Input 10Kohmsn/aNominal Filters LP 4th order variable 40-140 Hz 1
11、0 Subsonic filter (HPF) 3rd OrdeFixed Hz 10 LFE ModeFixed Hz 10LP Mode switch at LFE Features Line Level outputYESfunctional RCA Line buffered line level output Volume pot Taper (lin/log)LOG-functional A Taper Variable crossover 40-140 HzYESfunctional 4th Order LP Filter, 2nd order fix and 2nd order
12、 variable. LP Selector switch LFE- NormalYESfunctional Pass through from the speaker input section Phase switchYES-functional Disables LP filter, intended for LFE Auto- On-Off selectorYESfunctional Switch located at the back panel Input Configuration Single Line input YES-functional Single RCA jack
13、(BLK Color) Line output configuration Single Line level outputYESFunctional Gain=0dB respect to line level input, Zo=600 Ohms Single RCA jack (BLK Color) Signal Sensing (ATO) Auto-Turn-On (yes/no)YESfunctional Auto - on selection switch in Auto ATO Input test frequency50Hzfunctional ATO Level, Line
14、Input2.5mVfunctional ATO Turn-on time2secondsfunctional Amp connected and AC on, then input signal applied Auto Mute/ Turn-OFF Time15minutes17 (T) Time before muting, after input signal is removedAuto turn of time (T) must be 10 T 17 Minutes Power on Delay time ATO mode4sec.5After applying the minim
15、um ATO voltage (2mVRMS) ON mode2sec.2After turning the stand-by knob to ON position 3 1500 Array Subwoofer 1500 Array Subwoofer ParameterSpecificationUnit QA Test LimitsConditionsNotes Transients/Pops ATO Transient5mV-peakn/a Speaker Output Turn-on Transient50mV-peak1V-pk-pk Speaker OutputAC Line cy
16、cled from OFF to ON Turn-off Transient50mV-peak1V-pk-pk Speaker OutputAC Line cycled from ON to OFF Efficiency Efficiency73%70 500W of output power into rated impedanceNominal Line voltage Stand-by Input Power23 nominal line voltage, Amp in OFF state, RED LED activated Maximum allowable input power
17、LED in RED, Class D inactive Stand-by Input Power10Watts8 nom. line voltage, Amp in On state, Green LED activated Maximum allowable input power under nominal Input voltage and frequency, in stand-by mode (HOT or COLD operation, LED GREEN). Class D active but no stimulus signal applied. Power Cons. 5
18、00W678Watts714 nom. line voltage500 Watts into rated impedance 8 Ohms Protection Thermal Protection YESfunctional 1/8 max unclipped Power Temperature rise in accessible metal parts should not exceed 35K rise for domestic version or 30K rise for European versions (refer to requirements sheet). Unit i
19、s protected for over-temperature conditions DC Offset ProtectionYES-DC present at Speaker Out leadsRelay opens during a DC output condition Line Fuse Rating Japan 100V adjust to 200mV, 50 Hz. 3) Plug AC power cord in UUT, turn power switch ON. 4) LED should be ON (faceplate). Turn up LEVEL control t
20、o full Clockwise (Max). 5) LED should be Green; Bass response should be heard and felt vigorously from woofer and port tube. 6) Turn LEVEL control full Counterclockwise (Min). Turn power switch OFF. Sweep Function 1) Follow steps 1-5 above, using a sweep generator as a signal source adjust the gener
21、ator to 75mV, 50 Hz. 2) Sweep generator from 20Hz to 300Hz. Listen for any rattles, clicks, buzzes or any other noises. If any unusual noises are heard, test woofer according to the instructions below. Driver Function 1) Remove woofer from the enclosure. 2) Check DC resistance of woofer; it should b
22、e 5.9 10%, 3) Connect a pair of speaker cables to woofer terminals. Cables should be connected to an integrated amplifier fed by a signal generator. Turn on generator and adjust so that speaker level output is 6.0V. 4) Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing, or
23、other unusual noises. 9 1500 Array Subwoofer 1500 Array Subwoofer 1500 ARRAY BLOCK DIAGRAM 10 1500 Array Subwoofer 1500 Array Subwoofer 1500 Array 120V Electrical parts list Part numberQty DescriptionReference Designator DRIVER PCB Resistors 024-000098-120ZS4GS SMD Resistor 0R 1/8W J 0805 R313,314,3
24、18,320 024-100298-120ZS4GS SMD Resistor 10R 1/8W J 0805 R89,90,140,150 024-100498-120ZS10GS SMD Resistor 1K 1/8W J 0805 R81,85,96,97,131,137,142,147,162,179 024-100598-120ZS12GS SMD Resistor 10K 1/8W J 0805 R75,83,92,98,132,133,151,156,163,164,183,82, 024-110598-120ZS2GS SMD Resistor 11K 1/8W J 0805
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