JBL-SCS160SI-htss-sm 维修电路原理图.pdf

Surround Cinema Series Models: SCS150SI SCS160SI SCS180.6S SCS150SI SCS160SI SCS180.6S Home Theater Speaker Systems SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 Rev4 10/2005 RadioFans.CN 收音机爱 好者资料库 - CONTENTS - BASIC SPECIFICATIONS.1 DETAILED SPECIFICATIONS .2 CONNECTIONS .3 OPERATION. 6 BASIC TROUBLESHOOTING.7 EXPLODED VIEW.8 TEST SET-UP AND PROCEDURE.9 PCB DRAWINGS .10 MECHANICAL/SATELLITE PARTS LIST16 ELECTRICAL PARTS LIST .17 IC/TRANSISTOR PINOUTS.22 SCHEMATICS .23 PACKING.26 SCS150SI/SCS160SI/SCS180.6S Systems Frequency Response 30Hz 20kHz (6dB) Satellites Recommended Power 10 100 watts Impedance 8 ohms nominal Sensitivity 88dB 1 watt/1 meter Tweeter One 1/2 (13mm) titanium laminate dome, video-shielded Midrange Dual 3 (75mm) drivers, video-shielded Dimensions (H x W x D) 8-1/8 x 3-1/2 x 3-7/8 (206mm x 89mm x 99mm) Weight 2.65lb/1.2kg Center Recommended Power 10 100 watts Impedance 8 ohms nominal Sensitivity 88dB 1 watt/1 meter Tweeter One 1/2 (13mm) titanium laminate dome, video-shielded Midrange Dual 3 (75mm) drivers, video-shielded Dimensions (H x W x D) 3-1/2 x 8-1/8 x 3-7/8 (89mm x 206mm x 99mm) Weight 2.65lb/1.2kg Subwoofer Amplifier 150 watts RMS Woofer 10 (254mm) woofer, bass-reflex enclosure Dimensions (H x W x D) 17-3/4 x 15-3/4 x 16-3/4 (451mm x 400mm x 426mm) Weight 35 lb/15.9kg Occasional refinements may be made to existing products without notice but will always meet or exceed original specifications unless otherwise stated SCS150SI/SCS160SI/SCS180.6S SCS150SI/SCS160SI/SCS180.6S RadioFans.CN 收音机爱 好者资料库 150W Powered Sub/ Plate Amp LINE VOLTAGEYes/NoHi/Lo LineUnitNotesUS 120vac/60HzYes108-132VrmsNormal Operation Asia 100vac/50HzYes90-110VrmsNormal OperationParameterSpecificationUnitQA Test LimitsConditionsNotesAmp SectionType (Class AB, D, other)D D n/aLoad Impedance (speaker)4 Ohmsn/aNominalRated Output Power150 Watts1451 input drivenTHD Rated Power0.08 %122k filterTHD 1 Watt0.1 %0.522k filterDC Offset10 mV-DC20 Speaker OutputsDamping factor100 DF30Measured at speaker terminals, Output power 140 Watts THD 0.1 %Input SensitivityInput Frequency50 Hz50Nominal Freq.1 input drivenLine Input (L&R)250 mVrms2dBTo Rated Power1 input drivenLFE Input145 mVrms2dBTo Rated PowerLFE input driven onlySpeaker/Hi Level Input2 Vrms2dBTo Rated Power(-20 dB below Line In).1 input drivenSignal to NoiseSNR-A-Weighted100 dBA85rel. to rated powerA-Weighting filterSNR-unweighted90 dBr80rel. to rated power22k filterSNR 1W-unweighted60 dBr55rel. to 1W Output22k filterResidual Noise Floor1 mVrms2Volume max, using RMS reading DMM/VOM (or A/P)Residual Noise Floor1mVrms(max)2Volume max, w/ A/P Swept Bandpass Measurement (Line freq.+ harmonics)Input ImpedanceLine input L&R , LFE15 K ohmsn/aNominalSpeaker/Hi Level Input4.7 K ohmsn/aNominalFiltersLeft & Right Low Pass fixedHz-2dBSlope & Q4th dB/Octaven/aLFE Low Pass fixedHz-2dBSlope & Q2nd dB/Octaven/aSubsonic filter (HPF)Hz-2dBSlope & Q2nd dB/Octaven/aLimiterYES-n/aFeaturesLFE InputYESfunctional BW Limited to 500 HzVolume pot Taper (lin/log)log-functional ATOYESfunctional Signal Sensing (ATO)ATO test Frequency50 HzfunctionalATO Line Level2 mVfunctional2mV50Hz into Line Input w/ 1 ch. drivenATO Speaker level input50 mVfucntional50mV50Hz into Line Input w/ 1 ch. drivenATO Turn-on time5 msfunctionalAmp connected and AC on, then input signal appliedAuto Mute/ Turn-OFF Time15 minutesfunctionalT before muting, after signal is removedAuto turn of time (T) must be 10 T 15Power on Delay time3 sec.functionalAC Power AppliedTransients/PopsATO Transient5 mV-peak10 Speaker OutputsTurn-on Transient50 mV-peak100 Speaker OutputsAC Line cycled from OFF to ONTurn-off Transient50 mV-peak100 Speaker OutputsAC Line cycled from ON to OFFEfficiencyStand-by Input Power14 Watts16 nom. line voltageMaximum allowable input power under nominal Input voltage and frequency, HOT or COLD operation.Power Cons.rated power230 Watts250 nom. line voltage140 Watts 4 Ohms nominal line voltageProtectionShort Circuit Protection YES-functionalDirect short at outputThermal Protection 65 deg. C-functional1/8 max unclipped Power Temperature rise should not exceed 35K riseDC Offset ProtectionYES-functionalDC present at Speaker Out leadsRelay or crowbar (for driver/fire protection)Line Fuse RatingUS Version3.15 AmpsType-T or Slo BloExternal fuse with UL/SEMKO rated holderSCS150SI/SCS160SI/SCS180.6SSCS150SI/SCS160SI/SCS180.6S 2SPEAKER CONNECTIONSConnection TipsTo use the binding-postspeaker terminals on thesubwoofer, unscrew thecolored collar until the passthrough hole in the centerpost is visible under thecollar. Insert the bare end ofthe wire through this hole;then screw the collar downuntil the connection is tight.The hole in the center ofeach collar is intended foruse with banana-typeconnectors. SCS150SI/SCS160SI/SCS180.6SSCS150SI/SCS160SI/SCS180.6S 3Dolby*Pro Logic*(Non-Digital) Speaker LevelUse this installation methodfor Dolby Pro Logic appli-cations (not Dolby Digital,DTSor other digitalprocessing), where thereceiver/processor does nothave a subwoofer output, or a volume-controlled preamp(line-) level output:Connect your receiver oramplifiers front left and rightspeaker terminals to the leftand right terminals on thesubwoofer that are marked“High Level In.” Connect theleft and right terminals on thesubwoofer that are marked“High Level Out” to the cor-responding terminals on theback of your front left andright speakers. Connect your receiver oramplifiers center, left andright surround-speakerterminals to the corre-sponding terminals on theback of your center, left andright surround speakers.Right FrontRight SurroundLeft FrontLeft SurroundCenter+ + + + + + + Left FrontCenter+ Left SurroundRight Front+ Right Surround+ SubwooferReceiverHIGH LEVEL+ +L ROUTIN SCS150SI/SCS160SI/SCS180.6SSCS150SI/SCS160SI/SCS180.6S 4Dolby Pro Logic (Non-Digital) Line LevelUse this installation methodfor Dolby Pro Logic appli-cations (not Dolby Digital, DTSor other digital processing),where the receiver/processoris equipped with a subwooferoutput, or a volume-controlledpreamp (line-) level output:Use RCA-type patch cords to connect the line-levelsubwoofer outputs on yourreceiver or amplifier to theline-level inputs on thesubwoofer. IMPORTANT: Donot use the LFE input on thesubwoofer with DolbyPro Logic processors. Note: Ifyour receiver or amplifier onlyhas one subwoofer outputjack, then you will need to usea Y-connector (not included).Plug the male end of the Y-connector into your receiveror amplifiers subwooferoutput jack, and connect eachof the two female ends toseparate RCA-type patchcords. Finally, plug the RCA-type patch cords into the line-level inputs on the subwoofer.Connect each speaker to the corresponding speakerterminals on your receiver or amplifier.Make sure your receiver orprocessor is correctlyconfigured to indicate that thesubwoofer is “On.”Note for advanced users: Ifyour receiver/processor has abuilt-in low-pass crossoverfilter for the subwoofer output,you may use the LFE input tobypass the subwoofersinternal crossover.Use this installation methodfor Dolby Digital, DTS or otherdigital surround processors: Use the line-level input jackmarked “LFE” for the Low-Frequency Effects channel.Connect this jack to the LFEoutput or subwoofer output on your receiver or amplifier.Connect each speaker to thecorresponding speakerterminals on your receiver or amplifier.Make sure that you haveconfigured your surround-sound processor for“Subwoofer On.” The frontleft, front right, center andrear speakers should all beset to “Small.”Dolby Digital or DTS (or Other Digital Surround Mode) ConnectionLINE LEVEL INLFE INPUTLFE OUTLRSUBWOOFERRECEIVER+ + + + + + + + + + ReceiverSubwoofer OutLeftFrontLeftRearRightFrontRightRearSubwooferR LR LCenterLine-LevelInRight SurroundRight FrontLeft SurroundLeft FrontCenter SCS150SI/SCS160SI/SCS180.6SSCS150SI/SCS160SI/SCS180.6S 5OPERATIONMIN MAXSubwooferLevelMIN MAXSubwooferLevelMove the Master Powerswitch (marked “Power” )to the “” (On) position to usethe subwoofer. The subwoofer will automaticallyturn itself on or go intostandby (sleep) mode whenleft in the standby mode(“Auto/On” switch in the“Auto” position). When yourreceiver or amplifier is off, oris not sending programmaterial to the subwoofer, the subwoofer will be instandby mode. When the sub-woofer senses an audio signal,it will automatically turn itselfon. If the subwoofer does not sense a signal afterapproximately twenty minutes,it will automatically go intostandby mode.When the “Auto/On” switch is switched to the “On”position, the subwoofer willremain on, whether or notprogram material is playing.If you will be away fromhome for an extended periodof time, or if the subwooferwill not be used, switch theMaster Power switch tothe Off position.VolumePOWERHIGH LEVEL+ +SUBWOOFERLEVELOUTINL RLINE LEVEL INLFELRAUTO ONMIN MAX AC 120V60Hz250 Watts3.15A/250VTYPE TIMPORTANT: CONNECT STRIPED WIRE TO RED ( ) SPEAKER TERMINAL.GREEN: ONRED: STANDBY+AVIS : RISQUE DE CHOC LECTRIQUE-NE PAS OUVRIRWARNING: FOR CONTINUEDPROTECTION AGAINST RISKOF FIRE, REPLACE ONLY WITHSAME TYPE 3.15A, 250 VOLT FUSEAVERTISSEMENT: UTILISEZ UNFUSIBLE DE RECHANGE DE MEMETYPE 3.15A, 250VA Harman International CompanyJBL, IncorporatedThis area is designed to become quite warmduring normal operationCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENWARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.AVERTISSEMENT: POUR PRVENIR LES RISQUES DINCENDIE OU DE CHOC LECTRIQUE, VITER DEXPOSER CET APPAREIL A LA PLUIE OU A LHUMIDIT. Volume can be adjustedusing the Subwoofer LevelControl (above), as shownbelow. SCS150SI/SCS160SI/SCS180.6SSCS150SI/SCS160SI/SCS180.6S 6If there is no sound from anyof the speakers: Check that receiver/amplifieris on and a source is playing. Check that the powered subwoofer is plugged in, anditsPower switch isswitched on to the “”position. Check all wires and con-nections between receiver/amplifier and speakers. Makesure all wires are connected.Make sure none of thespeaker wires are frayed, cut or punctured. Review proper operation ofyour receiver/amplifier.If there is no sound comingfrom one speaker: Check the “Balance” controlon your receiver/amplifier. Check all wires and con-nections between receiver/amplifier and speakers. Makesure all wires are connected.Make sure none of the speaker wires are frayed, cut or punctured. In Dolby Digital or DTSmodes, make sure that thereceiver/processor isconfigured so that the speakerin question is enabled. Turn off all electronics andswitch the speaker in questionwith one of the other speakersthat is working correctly. Turneverything back on, anddetermine whether theproblem is in the same place,i.e., the speaker that wasworking previously now hasno sound and the speaker thatwas not working now soundsfine; or whether it has moved,i.e., the speaker that was notworking still has no sound andthe speaker that was workingis still fine. If the problem is inthe same place, the source ofthe problem is most likely withyour receiver or amplifier, andyou should consult the ownersmanual for that product forfurther information.If theproblem has followed thespeaker, consult your dealerfor further assistance or, ifthat is not possible, visit ourWeb site at forfurther information.If there is no sound from thecenter speaker: Check all wires andconnections betweenreceiver/amplifier andspeaker. Make sure all wiresare connected. Make surenone of the speaker wires arefrayed, cut or punctured. If your receiver/processor isset in Dolby Pro Logic mode,make sure the center speakeris not in phantom mode. If your receiver/processor is set in Dolby Digital or DTSmode, make sure thereceiver/processor is con-figured so that the centerspeaker is enabled.If the system plays at lowvolumes but shuts off asvolume is increased: Check all wires and con-nections between receiver/amplifier and speakers. Makesure all wires are connected.Make sure none of the speaker wires are frayed, cutor punctured. If more than one pair of mainspeakers is being used, checkthe minimum impedancerequirements of yourreceiver/amplifier.If there is low (or no) bassoutput: Make sure the connectionsto the left and right “SpeakerInputs” have the correct polarity (+ and ). Make sure the subwoofer is plugged into an activeelectrical outlet. Make sure the poweredsubwoofer is plugged in, anditsPower switch isswitched on to the “”position.TROUBLESHOOTING In Dolby Digital or DTSmodes, make sure yourreceiver/processor isconfigured so that thesubwoofer and LFE outputare enabled. SCS150SI/SCS160SI/SCS180.6SSCS150SI/SCS160SI/SCS180.6S 7 SUB150/160/180 EXPLODED VIEW Ref# Description Part Number Qty 1 SUB150/160/180 CABINET NOT FOR SALE 1 2 FOOT MAIN PLASTIC BODY (SCS150SI) WI5447 4 “ (SCS160SI) 321-ABS-00008 4 “ (SCS180.6) 321-ABS-00008-0LA 4 3 FOOT RUBBER BOTTOM (SCS150SI) WI5448 4 “ (SCS160SI/180.6) 321-ABS-00009 4 4 FOOT SCREW T4*30L 06-T43005 4 5 10” WOOFER 25MF12DZB-DW02 1 6 AMPLIFIER/WOOFER SCREWS T4*20L 06-T4205012 15 7 SUB150/160/180 AMPLIFIER NOT FOR SALE 1 8 Test Set Up and Procedure Equipment needed: Function/signal generator/sweep generator Integrated Amplifier Multimeter Speaker cables General Unit Function (UUT = Unit Under Test) 1) From the signal generator, connect one line level (RCA) cable to the Subwoofer Line Level Input jacks L/R on the UUT. Use a Y-cable from a mono source if necessary to connect to both inputs. Do not connect to the single LFE input. 2) Turn on generator; adjust to 100mV, 50 Hz. 3) Plug in UUT; turn the power switch ON. LED should switch from Red to Green. Turn LEVEL control full clockwise (MAX) 4) LED should Green; immediate and vigorous bass response should be heard and felt from port tube opening. 5) Turn off generator, turn LEVEL control full counterclockwise (MIN), and disconnect RCA cable. 6) Connect one pair of speaker cables to Speaker Level input terminal (IN) on UUT. Cables should be connected to an integrated amplifier fed by the signal generator. 7) Turn on generator and adjust so that speaker level input at the amplifier is 2.0V, 50 Hz. Turn LEVEL control full clockwise. 8) Green LED should light; immediate and vigorous bass response should be heard and felt from the port tube opening. Sweep Function 1) Follow steps 6-8 above, using a sweep generator as a signal source. 2) Sweep generator from 20Hz to 300Hz. Listen to the cabinet and drivers for any rattles, clicks, buzzes or any other noises. If any unusual noises are heard, remove woofers and test. Driver Function 1) Remove woofer from cabinet (instructions on exploded view drawing); detach + and - wire clips. 2) Check DC resistance of woofer; it should be 3.4 ohms 10% 3) Connect a pair of speaker cables to driver 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 5.0V. 4) Sweep generator from 20Hz to 1kHz. Listen to driver for any