JBL-MediaSub-sub-sm 维修电路原理图.pdf

JBL Consumer Products Inc.250 Crossways Park Dr.Woodbury, N.Y. 117971-800-336-4JBL in the USAA Harman International CompanyRev B 4/02Media SubTECHNICAL MANUALSingle 5.25 Powered Multimedia SubwooferRadioFans.CN 收音机爱 好者资料库1Powered SubwooferMedia SubTABLE OF CONTENTSFEATURES.1SPECIFICATIONS.1MEDIA SUB EXPLODED VIEW .2DISASSEMBLY PROCEDURES .3BLOCK DIAGRAM .4PCB 1 & 2 (viewing trace layer through the board) .5PCB 1 & 2 (viewing silk-screen through the board) .6PCB 3 (viewing trace layer through the board) .7PCB 3 (viewing silk-screen through the board) .8ELECTRICAL PARTS LIST.9PACKAGING EXPLODED VIEW.11INTEGRATED CIRCUIT DIAGRAMS.12SCHEMATIC DIAGRAM .13FEATURES?Powered subwoofer system.?25 watt amplifier.?Auto turn-on / turn-off circuitry.?Subwoofer is magnetically shielded for flicker-free usenear computer monitors.?Built-in electronic equalization for proper frequencybalance with satellite speakers.?Line level stereo output for use with satellite speakersthat dont have a subwoofer output.SPECIFICATIONSSpeaker System.Sixth band-pass enclosureSpeaker Size.5.25” wooferTotal Amplifier Output Power.25W at 10% THDInput Sensitivity .250mV input for full powerFrequency Response .40Hz - 150HzInput Impedance.10k ohmsSignal Output jack .Stereo miniplug jack (1/8)Signal Input Jacks .Stereo miniplug jack (1/8)External DimensionsHeight .10.25Width.7.35Depth .12Weight .12.8 lbs.External Dimensions (metric)Height .260mmWidth.186mmDepth .305mmWeight .5.8 kgsRadioFans.CN 收音机爱 好者资料库MEDIA SUB EXPLODED VIEW3Powered SubwooferMedia SubStep 1Remove the 8 purchase screws (S6) from the rear plate to separate the rear plate and the wood cabinet.Step 2Unplug the connector speaker wire from the PCB amp assembly.Step 3Remove the 4 purchase screws (S5) from the rear plate to separate the rear plate and cover.Step 4Remove the power/volume knob from the rear plate.Step 5Remove the 4 purchase screws (S2) and nuts (N1) to separate the rear plate and transformer assembly.Step 6Remove the 2 purchase screws (S3) from the bracket and the 2 purchase screws (S4) and nuts (N2) fromthe IC of STK4024 to separate the rear plate and Amp assembly.Step 7Remove the 4 purchase screws (S1) from the driver inside the wood cabinet to separate the wood cabinetand the driver.DISASSEMBLY PROCEDURESBLOCK DIAGRAM5Powered SubwooferMedia SubPRINTED CIRCUIT BOARDS 1 & 2(viewing trace layer through the board)6Powered SubwooferMedia SubPRINTED CIRCUIT BOARDS 1 & 2(viewing silk-screen through the board)7Powered SubwooferMedia SubPRINTED CIRCUIT BOARD 3(viewing trace layer through the board)8Powered SubwooferMedia SubPRINTED CIRCUIT BOARD 3(viewing silk-screen through the board)MEDIA SUB ELECTRICAL PARTS LISTPart NumberDescriptionQty Reference DesignatorResistorsQAF0250-331RESISTOR330 OHM 1/2W 5% CF1R136QAF0250-479RESISTOR4.7 OHM 1/2W 5% CF1R137QAF0450-100RESISTOR10 OHM 1/4W 5% CF1R146QAF0450-101RESISTOR100 OHM 1/4W 5% CF2R132 R134QAF0650-102RESISTOR10K OHM 1/6W 5% CF2R115 R124QAF0650-103RESISTOR10K OHM 1/6W 5% CF17R101 R102 R105 R106 R108 R109 R122 R123 R125 R128 R133 R138 R139 R140 R153 R160 R161QAF0650-104RESISTOR100K OHM 1/6W 5% CF1R117QAF0650-105RESISTOR1.0M OHM 1/6W 5% CF1R114QAF0650-152RESISTOR1.5K OHM 1/6W 5% CF3R126 R147 R149QAF0650-183RESISTOR18K OHM 1/6W 5% CF4R110 R111 R112 R113QAF0650-223RESISTOR22K OHM 1/6W 5% CF2R151 R162QAF0650-224RESISTOR220K OHM 1/6W 5% CF1R120QAF0650-304RESISTOR300K OHM 1/6W 5% CF1R158QAF0650-330RESISTOR33 OHM 1/6W 5% CF1R127QAF0650-332RESISTOR3.3K OHM 1/6W 5% CF1R148QAF0650-334RESISTOR330K OHM 1/6W 5% CF2R119 R159QAF0650-392RESISTOR3.9K OHM 1/6W 5% CF1R154QAF0650-393RESISTOR39K OHM 1/6W 5% CF1R107QAF0650-394RESISTOR390K OHM 1/6W 5% CF1R116QAF0650-472RESISTOR4.7K OHM 1/6W 5% CF1R156QAF0650-562RESISTOR5.6K OHM 1/6W 5% CF2R129 R150QAF0650-563RESISTOR56K OHM 1/6W 5% CF2R130 R135QAF0650-682RESISTOR6.8K OHM 1/6W 5% CF1R152QAF0650-821RESISTOR820 OHM 1/6W 5% CF1R131QAF0650-824RESISTOR820K OHM 1/6W 5% CF1R121QAF0650-103RESISTOR10K OHM 1/6W 5% CF2R103 R104CapacitorsPRD1335-220COND DISC22 pF 50V 5%1C124PRD3545-101COND DISC100 pF 50V 10% Y5P3C102 C118 C122PRD3545-102COND DISC1000 pF 50V 10% Y5P1C121PRD3545-104COND DISC0.1 uF 50V 10% Y5P2C155 C156PRD3545-331COND DISC330 pF 50V 10% Y5P1C115PRD3545-471COND DISC470 pF 50V 10% Y5P1C114PRD4965-203COND DISC0.02 uF 50V +80-20%3C152 C153 C154PRE3951-101COND ELECT 100 uF 10V 20% 85C2C103 C116PRE3951-221COND ELECT 220 uF 10V 20% 85C1C111PRE3952-100COND ELECT 10 uF 16V 20% 85C1C110PRE3952-101COND ELECT 100 uF 16V 20% 85C2C112 C128PRE3952-221COND ELECT 220 uF 16V 20% 85C1C132PRE3954-100COND ELECT 10 uF 35V 20% 85C2C123 C129PRE3954-221COND ELECT 220 uF 35V 20% 85C2C117 C120PRE3955-109COND ELECT 1 uF 50V 20% 85C3C113 C119 C133PRE3955-478COND ELECT 0.47 uF 50V 20% 85C1C108PRE3955-479COND ELECT 4.7 uF 50V 20% 85C1C101PRM3737-104COND MYLAR 0.1 uF 100V 5%1C157PRM3737-152COND MYLAR 0.0015uF 100V 5%1C1589Powered SubwooferMedia SubPart NumberDescriptionQty Reference DesignatorPRM3737-273COND MYLAR 0.027 uF 100V 5%4C104 C105 C106 C107PRM3747-104COND MYLAR 0.1 uF 100V 10%1C126PRD3545-101COND DISC100 pF 50V 10% Y5P2C150 C151PVE3954-332COND ELECT 3300 uF 35V 20%2C130 C131SemiconductorsRAD4001-001RECTIFIER1N4001 1A 35VRMS1D103RAD4148-001DIODE SW1N41483D101 D102 D104RAZ0859-070DIODE ZENR5.6-5.9V 0.5W HITACHI HZ6B-21ZD102RAZ0859-081DIODE ZENR11.9-12.4V 0.5W HITACHI HZ12A-21ZD101RAN0945-001XISTR NPN2SC945P NEC6Q101 Q102 Q103 Q106 Q107 Q108RHD0202-001RECTIFIERBRIDGE RS202L1BD101RHI0740-001IC 14 PINTL074CN SGS QUAD OP-AMP1IC101RHI4032-001IC 15 PINSTK4032II SANYO 40W POWER AMP1IC103RHI4558-001IC 8 PINJRC4558D JRC DUAL OP-AMP1IC102Miscellaneous/MechanicalAPE0083-A33CNTL SW AYCNTL JACK PCB ASSYCCN1500-035CONNECTOR B10B-XH-A 10 PIN PST BSE TOP P=2.5RB102ACCN3962-002CONNECTOR 2 PIN CL3962WVO PST BSE TOP P=3.96CN501MRL2212-003RELAYOJE-SS-112DM 12V DC 37.5 mARL101CFC2557-001FUSE CLIPDIA5xL20mm FUSEF10120565-120BBWIRE 22 GA120 mm BLACK 4-4 UL 1007 P104A TO P104B20565-122BBWIRE 22 GA120 mm RED 4-4 UL 1007P103A TO P103B, P105A TO P105BXHP0001-001L PINP106 P107APE0083-B33CNTL SW AYCNTL JACK PCB ASSYCJM9380-028PHONE JACK D3.5 JY3542-01-030JK101 JK102DSS0545-003HOUSINGLED HOUSING LEK2-4.5 5 DIA H=4.5 mmLD001KEM0001-001LED5 DIA RED/GREENLD001MRR0103-001CNTL ROTRY 10K OHM B SIGNAL WITH SWITCH ON/OFF5003A2501B0COND WIRE10 COND 250 mmRB102B TO RB102AAPE0083-C22XFORM PCBXFORM PCB ASSY 100V E035-1X (HI)APE0083-C33CNTL SW AYCNTL JACK PCB ASSYGSE0073-001BRACKETPCB BRACKETPCB-BRACKETH120301-308SCREWT3.0 x0.5pxL8.0 mm PAN HEAD BLACKPCB TO BRACKETBPA0013-000COVERBPK5027-000VOL. KNOBE-035 (JBL)DBU0002-001BUSHINGAC LINE BUSHING PIN GOOD 4RF-5AC CORD BUSHINGGAL0032-001REAR PLATE AC 120V60HzH021401-312SCREWM3.5xP1.4xL12 mm PAN HEAD BLACKREAR TO COVERH060404-310SCREWM3.5xP0.6xL10 mm BLACK WAFER HEADREAR COVER TO TRANFORMER-4H060404-321SCREWM3.5xP0.6xL21 mm BLACK WAFER HEADREAR TO IC-2H120301-308SCREWT3.0 x0.5pxL8.0 mm PAN HEAD BLACKREAR TO BRACKETHNI1482K-NUT#6-32 NICKEL WITH TOOTH WASHERTRANSFORMER-6IVE0025-001SPONGE85x65mmCOVERIVE0027-001SPONGEL185xW8xT2mmCOVER-1, BETWEEN REAR PLATE AND AC CORD-0.5IVE0083-001SPONGEL82xW37xT4mmTRANSFORMER AREAIVS0003-001SPONGEL60 xW10 xT1mmVOLUME PCB-1IVS0004-002FELTL20 xW10 xT0.9mmVR PCB TO COVER SLOT-4KSA2100-002FUSE1A 250V SLOW 5x20mm UL/CSA/T-MARKF101TTH1200-112PWR TRANSEI-66 120V 20W47455-D52LINE CORDSPT-2 1980mm POL BLK-UL DBLE INS10Powered SubwooferMedia Sub1112Powered SubwooferMedia SubINTEGRATED CIRCUIT DIAGRAMS13KJIHGFEDCBALMN012345678P876543219LMABCDEFGHIJK90PNMedia Sub Schematic DiagramPOWERED SUBWOOFERMedia SubIC103STK4024 IITest voltages are printed in orange.voltages aredisplayed in boxes. Other voltagesshown are fordueto the Auto On/Off function.Operational ModeStand-by Mode0.0V0.0V0.0V0.0V0.0V0.0V0.0V0.0V-20.1V+20.1V+20.4V-1.3V-1.3V-22.4V+22.2V-22V-1.35V-1.34V-22.6V+22.4V5.6V5.61V0.0V0.0V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V-1.2V -1.27V-21.8V -21.7V-13.5V+21.9V+0.5V-22.4VAC17.7VAC17.7V+22.3V+11.0V1.3V0.47V7.14V2.47V2.48V0V5.9V6.10V6.3V 7.25V4.8V1.36V12.1V12.1V12.1V12.1VIHGFEDCBA876543219ABCDEFGHIMedia Sub SchematiPOWERED SUBWOOFER5.6V5.61V0.0V0.0V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V5.6V+11.0V1.3V0.47V7.14V2.47V2.48V0V5.9V6.10V6.3V 7.25V4.8V1.36V12.1V12.1V12.1V12.1V14KJILMN012345678PLMIJK90PNb Schematic DiagramMedia SubIC103STK4024 IITest voltages are printed in orange.voltages aredisplayed in boxes. Other voltagesshown are fordueto the Auto On/Off function.Operational ModeStand-by Mode0.0V0.0V0.0V0.0V0.0V0.0V0.0V0.0V-20.1V+20.1V+20.4V-1.3V-1.3V-22.4V+22.2V-22V-1.35V-1.34V-22.6V+22.4V-1.2V -1.27V-21.8V -21.7V-13.5V+21.9V+0.5V-22.4VAC17.7VAC17.7V+22.3V15