JBL-E150P-pwr-sm 维修电路原理图.pdf

Northridge E-Series E150P Powered Subwoofer Service Manual JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 Rev2 2/2004 RadioFans.CN 收音机爱 好者资料库 - CONTENTS - BASIC SPECIFICATIONS .1 SAFETY INFORMATION .2 DETAILED SPECIFICATIONS .3 CONNECTIONS.4 OPERATION .7 BASIC TROUBLESHOOTING.8 EXPLODED VIEW/PARTS LIST.9 TEST SET-UP AND PROCEDURE.10 AMPLIFIER BLOCK DIAGRAM.11 TECH TIP JBLTT2003-04 .12 DETAILED TROUBLESHOOTING. 13 P.C.B. DRAWINGS.16 ELECTRICAL PARTS LIST .20 IC/TRANSISTOR PINOUTS.24 SCHEMATICS.25 PACKING.27 E150P SPECIFICATIONS Amplifier Power (RMS): 150 Watts Peak Dynamic Power *: 250 Watts Driver: 10 (254mm) PolyPlas Inputs: Line Level (switchable to LFE) and Speaker Level with 5-way binding posts Low-Pass Frequency: Variable from 50Hz to 150Hz Frequency Response: 27Hz Low-pass crossover setting Dimensions (H x W x D): 17-3/4 x 12-1/4 x 14-1/2 (451mm x 311mm x 368mm) Weight: 33.5 lb/15.2kg JBL continually strives to update and improve existing products, as well as create new ones. The specifications and details in this and related JBL publications are therefore subject to change without notice. * The Peak Dynamic Power is measured by recording the highest center-to-peak voltage measured across the output of a resistive load equal to minimum impedance of the transducer, using a 50Hz sine wave burst, 3 cycles on, 17 cycles off. E150P E150P RadioFans.CN 收音机爱 好者资料库WarningAny person performing service of this unit will be exposedto hazardous voltages and the risk of electric shock. It isassumed that any person who removes the amplifier fromthis cabinet has been properly trained in protectingagainst avoidable injury and shock. Therefore, any serviceprocedures are to be performed by qualified servicepersonal ONLY!CautionEarly revisions of the unit did not have a power switch.Hazardous voltages are resent within the unit whenever itis plugged in.Before amplifier is plugged in, be sure its rated voltagecorresponds to the voltage of the AC power source to beused. Incorrect voltage could cause damage to theamplifier when the AC power cord is plugged in. Do notexceed rated voltage by more than 10%: operation below90% of rated voltage will cause poor performance or mayshut the unit off.Leakage/Resistance CheckBefore returning the unit to the customer, perform aleakage or resistance test as follows:Leakage Current. Note there is no power switch on earlyrevisions of this unit. When the power plug is plugged in,the unit is live. Connect the unit to its rated power source.Using an ammeter, measure the current between theneutral side of the AC supply and chassis ground of theunit under test. If leakage current exceeds 0.5mA, the unitis defective. Reverse the polarity of the AC supply andrepeat.Resistance. Measure the resistance from either side of theline cord to chassis ground, If it is less than 500k ohms,the unit is defective.WARNING! DO NOT return the unit to the customer if itfails one of these tests until the problem is located andcorrected.Critical ComponentsAll components identified with the IECsymbol in the parts list and schematicdiagram designate components in whichsafety can be of special significance whenreplacing identified with. Use only thereplacement parts designated in the parts list or partswith the same rating of resistance, wattage or voltage.SAFETY INFORMATIONList of Safety Components Requiring Exact Replacements Part Number/ Designator Description F1 093-205209-300 Line Fuse Slo Blo 1.25A 5x20mm 083-041802-009 250V UL approved SPT-2 or better with polarized plug, UL approved wired with the hot side to fused side. Use with factory replacement panel strain relief (70305) only. PT1 042-010052-003 Power Transformer. Use only factory replacement. BR1 052-400080-000 Bridge diode. Use only factory replacement. C6,8 034-470745-200 4700uF 50V electrolytic filter caps. Be sure replacement part is at least the same working voltage and capacitance rating. Also the lead spacing is important. Incorrect spacing may cause premature failure due to internal cabinet pressure and vibration. 063-531808-000 Rear Amp Cover Use only factory replacement Inductor 043-560200-000 L1 - Use only factory replacement Inductor 043-300101-000 L2 - Use only factory replacement Inductor 043-700101-000 L3 - Use only factory replacement Inductor 043-324300-000 L4 - Use only factory replacement E150P2JBL E150P Powered Sub/ Plate Amp LINE VOLTAGEYes/NoHi/Lo LineNom.UnitNotesUS 120vac/60HzYes108-132120VrmsNormal OperationEU 230vac/50-60HzYes207-264230VrmsNormal operation, MOMS requiredParameterSpecificationUnitQA Test LimitsConditionsNotesAmp SectionType (Class AB, D, other)Dn/an/aClass D Preferred.Sink required for Class ABLoad Impedance (speaker)4Ohmsn/aNominalZ-curve requiredRated Output Power75Watts701 input drivenAVG RMS Dynamic Power150Watts135Average RMS power, 3/20 Cycles 50 Hz, Driven6dB above its input sensitivity sensitivityTHD Rated Power0.3%122k filter75 WattsTHD 1 Watt0.1%0.522k filterDC Offset10mV-DC30 Speaker OutputsDamping factor50DF35Measured at amplifier board Measured at the amplifier board THD 4.7Kohmsn/aNominalFiltersSpeaker in LP 2nd order varia60-150 Hz 10Subsonic filter (HPF) fixed 6thFixedLFE Low pass 2nd order fixed200LP T T 1M (NO LOAD)Resistance from V+ (C6 P+) to V- (C8 P-) gradually Fully CHARGED should read 10k Resistance from V+ (C6 P+) to S+ (SPK O/P) should read 1MResistance from V- (C8 P-) to S+ (SPK O/P) should read 1M 2. Power UpLED RED With a 5mV signal to Low level input, LED should change to GREEN -Voltage measurements (DVM)OP AMPLEDP-U4(1)P-U4(7)RED0Vrms8VDCGREEN6.3Vrms-10.7VDC3. D.C. Operation -Voltage measurements (DVM) on CLASS D POWER AMPBetweenV+Q4(E)Q1(C)Q10(C)U7(1)U7(2)U7(4)U7(6)U7(7)U7(8)And ThisPointGNDV-GNDGNDGNDGNDGNDGNDGNDGNDGet thisReading45.9V0V-45.9V0V-45.9V-45.7V-45.5V0V0V4.7V4. Check Switching Frequency Oscilloscope - USE THE PROBE TIP TO U6(7) TO GND Reading 100kHz +/-10%,22Vp-pB. Pre Amp SectionLine Level Input Sensitivity -Set upTurn level, XOVER FREQ POT Fully CW and LFE switch offGenerator Set at 100mV50HzSignal to Line level inputE150P E150P DETAILED TROUBLESHOOTING13 - Voltage measurementsOP AMPU2(1)U2(14)U2(8)U3(7)U3(1)U3(14)U3(8)U5(7)U5(1)SPEAKERO/P133.6mV200.2mV245.9mV314.8mV314.9mV350mV1.67V1.452V2.098V15.3V2. High Level Input Sensitivity -Set upTurn level, XOVER FREQ POT Fully CW and LFE switch off Set Generator at 1.15V50HzSignal to High level input -Voltage measurements 15.3V at speaker output3. Low-Pass -Set upSet Generator at 100 mV100HzSignal to Line level inputMeasure voltage at S+ speaker output -Voltage measurementXOVER FREQ. SettingOutputCW10.72VCCW2.165V4. LFE -Set upSet Generator at 100mV200HzSignal to Line level inputMeasure voltage at S+ speaker outputLFE switch SettingOutputNormal2.9VLFE7.62VSee flow chart next page for diagnostics.E150P E150P DETAILED TROUBLESHOOTING (CONTD)14CAUTION : SPEAKER OUTPUT IS FLOATING AND IS NOT PROTECTED AGAINST A SHORT TO GROUND. ALL TEST INSTRUMENTS CONNECTED TO THE OUTPUT MUST BE FLOATING. ATTACH THE SCOPE PROBE TIP TO S - and REFERENCE LEAD TO S+. (A 10mV signal may need from the input to trigger the Switch turn on) no no yes yes no no yes yes no no yes yes no no yes yesSTARTCheck +/- 15V- MOD+/- 15V voltage atU 6(8),U6(4)Discharge C37,Check fusetransformer, L4,rectifier, C6 and C8Use scope to checkswitchingfrequency U6(7)100KHz +/- 10% , 22Vp- pCheck Q4(E)TO V- = 0V D.C.Power up with nosignal inputLED REDOKOKOKOKOKOKOKOKCheckMUTE(+8V) andQ24,Q25,Q26Use scope tocheck O/P U7(6)and GND90Vp- p squarewave shownCheckL2,L3,C71,C72,C73,C74I/P:10mv/50HZCheck +15V/SWQ4(E) TO V-15VReplaceQ18,Q22CLASS D AMP OKENDCheckU7,Q16,Q17,Q20,Q21,R87,D26,D35,C64CheckFB1,FB2,C45,C50,C60,C63,R81,R82CheckU7(1) = - 33VCheckMUTE(- 10.7V),AndQ24,Q25,Q26Resistance check(no load)between V+ V- ,V+ O/P,V- O/Pand O/P to GNDis 10KE150P E150P DETAILED TROUBLESHOOTING (CONTD)FLOW CHART15E150P E150P 16E150P E150P 17E150P E150P 18E150P E150P 19E150P Electrical Parts ListPart NumberDescriptionReference DesignatorQtyResistors020-000498-120Carbon Film0R 1/4W J R10,112021-100401-120MOF Resistor1K 1W JR1031021-820303-020MOF Resistor820R 3WS J 8x20R6,92022-500003-020KNP Resistor0R05 3WS J FK TYPER1041024-100298-120SMD Resistor10R 1/8W J 0805 R81,822024-100398-120SMD Resistor100R 1/8W J 0805 R621024-100498-120SMD Resistor1K 1/8W J 0805 65,79,83,92,95,96,105,1088024-100598-120SMD Resistor10K 1/8W J 0805 R2,37,54,58,63,69,71,72,749024-100698-120SMD Resistor100K 1/8W J 0805 R3,112,22-256024-110598-100SMD Resistor11K 1/8W F 0805 R981024-113598-100SMD Resistor11K3 1/8W F 0805 R341024-120498-120SMD Resistor1K2 1/8W J 0805 R51,532024-130498-100SMD Resistor1K3 1/8W F 0805 R35,1102024-137598-120SMD Resistor13K7 1/8W F 0805 R42,432024-137698-100SMD Resistor137K 1/8W F 0805 R321024-150498-120SMD Resistor1K5 1/8W J 0805 R67,68,12-156024-150598-120SMD Resistor15K 1/8W J 0805 R291024-200598-120SMD Resistor20K 1/8W J 0805 R941024-220398-120SMD Resistor220R 1/8W J 0805 R901024-220498-121SMD Resistor2K2 1/8W J 0805 R1,87,613024-220598-120SMD Resistor22K 1/8W J 0805 R50,52,1183024-220798-120SMD Resistor2M2 1/8W J 0805 R80,1212024-237598-120SMD Resistor23K7 1/8W F 0805 R481024-237698-100SMD Resistor237K 1/8W F 0805 R451024-243698-100SMD Resistor243K 1/8W F 0805 R361024-270498-120SMD Resistor2K7 1/8W J 0805 R64,732024-300398-120SMD Resistor300R 1/8W J 0805 R551024-300598-120SMD Resistor30K 1/8W J 0805 R561024-330498-120SMD Resistor3K3 1/8W J 0805 R7,8,593024-330598-120SMD Resistor33K 1/8W J 0805 R4,5,1223024-332498-100SMD Resistor3K32 1/8W F 0805 R26,272024-360498-120SMD Resistor3K6 1/8W J 0805 R281024-390498-120SMD Resistor3K9 1/8W J 0805 R931024-390598-120SMD Resistor39K 1/8W J 0805 R771024-430498-100SMD Resistor4K3 1/8W F 0805 R781024-453598-100SMD Resistor45K3 1/8W F 0805 R301024-470298-120SMD Resistor47R 1/8W J 0805 R101,1022024-470398-120SMD Resistor470R 1/8W J 0805 R76,99,1003024-470498-120SMD Resistor4K7 1/8W J 0805 R85,862024-470598-120SMD Resistor47K 1/8W J 0805 R44,47,49,1074024-470698-120SMD Resistor470K 1/8W J 0805 R701E150P E150P 20Part NumberDescriptionReference DesignatorQty024-470798-120SMD Resistor4M7 1/8W J 0805 R601024-560498-120SMD Resistor5K6 1/8W J 0805 R40,412024-604598-100SMD Resistor60K4 1/8W F 0805 R391024-620398-120SMD Resistor620R 1/8W J 0805 R16,18,573024-680498-120SMD Resistor6K8 1/8W J 0805 R46,912024-680598-120SMD Resistor68K 1/8W J 0805 R31,33,663024-909498-100SMD Resistor9K09 1/8W F 0805 R381025-010300-000ThermisterTSE-103 K L:50mm1026-200595-269Freq Pot 20KPN:RD163121R03D-20KBx2(EJ)VR21026-500495-252Level Pot 5KPN:RK163111R52B-5KA (EJ)VR11Capacitors031-100244-100Ceramic Capacitor0u01/50V K 0805 X7R C5,10,33,45,51,66,677031-100343-100SMD Capacitor100pF/50V J 0805 NPO C36,58,163031-100344-100SMD Capacitor0u1/50V K 0805 X7R C11,42-44,46-49,52,54,55,60,63,71,74,7716031-100384-100R SMD Capacitor0u1/250V K 1206 X7R C3,72031-150244-100SMD Capacitor0u0015/50V K 0805 X7R C321031-220344-100SMD Capacitor220pF/50V J 0805 NPO C20,21,19,14,155031-330444-300SMD Capacitor3300pF/50V K 0805 X7R C40,342031-470244-102SMD Capacitor0u047/50V K 0805 X7R C62,592031-560243-100SMD Capacitor56pF/50V J 0805 NPO C57,612031-560343-102SMD Capacitor560pF/50V J 0805 NPO C561032-100464-202Mylar Capacitor1uF/100V K P:10C70,70B2033-470444-270NPE Capacitor4u7/50V K10 (R)8x13 SBEC731033-680464-270NPE Capacitor6u8/100V K10 (R)1020 GNEC721034-100525-300Electrolytic Capacitor10uF/25V M (R)0511 P:5 C351034-100625-300Electrolytic Capacitor100uF/25V M (R)6.3x11 P:5C641034-220525-301Electrolytic Capacitor22uF/25V M (R)5x11 P:5 C39,50,53,41,4,96034-220615-301Electrolytic Capacitor220uF/16V M (R)0611 P:5C371034-330525-300Electrolytic Capacitor33uF/25V M (R)0511 P:5C11034-330615-300Electrolytic Capacitor330uF/16V M (R)0812 P:5 C12,782034-470415-301Electrolytic Capacitor4u7/50V M (R)0511 P:5 C21034-470615-301Electrolytic Capacitor470uF/16V M (R)0812 P:5 C651034-470745-200Electrolytic Capacitor4700uF/50V M (R)2236C6,82038-100363-300MPE Capacitor0u1/100V J C68,69,273038-220393-300MPE Capacitor0u22/63V J C25-26,29,314038-330393-300MPE Capacitor0u33/63V J C22,23,243038-470293-300MPE Capacitor0u047/63V J C28,302039-100384-100Safety CapacitorHQX0.1K275VACx2 18x6x12mmCXAC11Semiconductors051-000600-100NPN TransistorPN:MPSW06RLRA TO-92 Q2,Q162051-003100-000NPN TransistorPN:TIP 31C TO-220 (MOSPEC)Q41051-005600-100PNP TransistorPN:MPSW56RLRA TO-92 Q31E150P E150P 21Part NumberDescriptionReference DesignatorQty051-222200-100NPN TransistorPN:MPS2222ARLRA TO-92 Q211051-290700-100PNP TransistorPN:MPS2907A RLRA TO-92 Q19,232051-540101-000PNP TransistorPN:2N5401 TO-92 Q11051-555100-000NPN TransistorPN:2N5551 TO-92 Q171051-640001-000MOSFET N-ChannelPN:IRF640N TO-220 (IR)Q18,222052-400080-000Bridge RegulatorPN:RS804 400V,8ABR11053-211100-000IC;DIP,DriverPN:IR2111 Half-Bridge DriverU71054-000100-100SMD DIODEPN:ES1D 200V 1A D5,26,29,33,385054-001002-100SMD ZENER DIODEPN:BZX84C10 10V SOT-23 D351054-001501-100SMD ZENER DIODEPN:BZX84C15 15V SOT-23 D6,7,93054-007200-100SMD IC; (Dual OP-Amp) PN:TL072CDR SO-8 U5,62054-007400-100SMD IC;(Quad OP-Amp) PN:TL074CDR U2,32054-011400-100SMD TransistorPN:DTC114TKA SMT3 Q71054-033904-100SMD TransistorPN:MMBT3904LT1 SOT23 Q11,14,13,5,8,96054-033906-100SMD TransistorPN:MMBT3906LT1 SOT23 Q6,10,12,154054-045580-100SMD IC; (Dual OP=Amp) PN:NJM4558M-TE3 DMP-8 U41054-050601-100SMD ZENER DIODEPN:BZX84C5V6 5.6V SOT-23 D24,36,373054-414803-100SMD DIODEPN:LL4148 (Wishay)D1-4,8,10-23,27,3021054-540100-100SMD TransistorPN:MMBT5401 LT1 SOT-23 Q20,24,263054-555100-100SMD TransistorPN:MMBT5551 LT1 Q251050-505200-001LEDPN:LT-2402-21D1B1Miscellaneous065-050400-000Sleeve3.5mm BLK F32 (125?)065-100200-000UL Sleeve2.5 F32-2.5(blk) 125?082-022640-000Wire Set #26 UL1007L=400mm blk/wht 2P Housing +5TT091-000182-000LED HolderPN:LED5-2A041-115001-000Bead CoilYT-10911L51042-010052-003TransformerYT-10615-4PT11043-300101-000Inductor30uH YT-10033L21043-324300-000Inductor324uH YT-10778L41043-560200-000Inductor56uH YT-10779L11043-700101-000Toroidal Inductor70uH YT-10682L31044-100100-000SMD Ferrite BeadPN:321611 600R/100MHz 1206061-020000-000Knob ABS20 x15m/m UL94V-0 BLK061-314002-000Strain ReliefP/N SB4F-2061-400014-000Rubber FootID:6.2 OD:11.5 t=2mm blk061-700044-000Mycar13x18mm TO-220 063-010012-000Bracket for pwr transP/N:TRK-1063-321100-001Plate322x105.7x15mm BLK (94V0)ABS063-531808-000Bucket322x105.7x146.5mm BLK (94VO)1066-120300-900Cable TieCV-120S071-100608-100Fiber washerOD=8mm ID=3.2 t=1 (red)071-100851-000WasherID=5.1 OD=12 t=1m/m072-010007-000RCA JackSCJ-1020 2P(G) wht,red072-040039-000TerminalPC205 (t=0.8m/m) T205MA072-040064-000TerminalPC250(t=0.8),T250MAE150P E150P 22Part NumberDescriptionReference DesignatorQty072-040096-000Terminal(t=0.8mm) PC187(0.8)072-040169-000Connector2 PIN JS-1001-2 P:2.5mm072-060170-000B.P.W / Accessory parts073-032316-601Black anodized70 x42x20mm073-050001-000Fuse ClipP/N:CFFH1206074-020018-000Rocker SWPN:RF1003-BB4-0074-030002-000Toggle SW PHASEPN:L101-T2B4QE