JBL-MediaSub-sub-sm 电路图 维修手册.pdf

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1、JBL Consumer Products Inc. 250 Crossways Park Dr. Woodbury, N.Y. 11797 1-800-336-4JBL in the USA A Harman International Company Rev B 4/02 Media Sub TECHNICAL MANUAL Single 5.25 Powered Multimedia Subwoofer RadioFans.CN 收音机爱 好者资料库 1 Powered SubwooferMedia Sub TABLE OF CONTENTS FEATURES.1 SPECIFICATI

2、ONS.1 MEDIA SUB EXPLODED VIEW .2 DISASSEMBLY PROCEDURES .3 BLOCK DIAGRAM .4 PCB 1 & 2 (viewing trace layer through the board) .5 PCB 1 & 2 (viewing silk-screen through the board) .6 PCB 3 (viewing trace layer through the board) .7 PCB 3 (viewing silk-screen through the board) .8 ELECTRICAL PARTS LIS

3、T.9 PACKAGING EXPLODED VIEW.11 INTEGRATED CIRCUIT DIAGRAMS.12 SCHEMATIC DIAGRAM .13 FEATURES ?Powered subwoofer system. ?25 watt amplifier. ?Auto turn-on / turn-off circuitry. ?Subwoofer is magnetically shielded for flicker-free use near computer monitors. ?Built-in electronic equalization for prope

4、r frequency balance with satellite speakers. ?Line level stereo output for use with satellite speakers that dont have a subwoofer output. SPECIFICATIONS Speaker System.Sixth band-pass enclosure Speaker Size.5.25” woofer Total Amplifier Output Power.25W at 10% THD Input Sensitivity .250mV input for f

5、ull power Frequency Response .40Hz - 150Hz Input Impedance.10k ohms Signal Output jack .Stereo miniplug jack (1/8) Signal Input Jacks .Stereo miniplug jack (1/8) External Dimensions Height .10.25 Width.7.35 Depth .12 Weight .12.8 lbs. External Dimensions (metric) Height .260mm Width.186mm Depth .305

6、mm Weight .5.8 kgs RadioFans.CN 收音机爱 好者资料库 MEDIA SUB EXPLODED VIEWRadioFans.CN 收音机爱 好者资料库 3 Powered SubwooferMedia Sub Step 1 Remove the 8 purchase screws (S6) from the rear plate to separate the rear plate and the wood cabinet. Step 2 Unplug the connector speaker wire from the PCB amp assembly. Ste

7、p 3 Remove the 4 purchase screws (S5) from the rear plate to separate the rear plate and cover. Step 4 Remove the power/volume knob from the rear plate. Step 5 Remove the 4 purchase screws (S2) and nuts (N1) to separate the rear plate and transformer assembly. Step 6 Remove the 2 purchase screws (S3

8、) from the bracket and the 2 purchase screws (S4) and nuts (N2) from the IC of STK4024 to separate the rear plate and Amp assembly. Step 7 Remove the 4 purchase screws (S1) from the driver inside the wood cabinet to separate the wood cabinet and the driver. DISASSEMBLY PROCEDURES BLOCK DIAGRAM 5 Pow

9、ered SubwooferMedia Sub PRINTED CIRCUIT BOARDS 1 & 2(viewing trace layer through the board) 6 Powered SubwooferMedia Sub PRINTED CIRCUIT BOARDS 1 & 2(viewing silk-screen through the board) 7 Powered SubwooferMedia Sub PRINTED CIRCUIT BOARD 3(viewing trace layer through the board) 8 Powered Subwoofer

10、Media Sub PRINTED CIRCUIT BOARD 3(viewing silk-screen through the board) MEDIA SUB ELECTRICAL PARTS LIST Part NumberDescriptionQty Reference Designator Resistors QAF0250-331RESISTOR330 OHM 1/2W 5% CF1R136 QAF0250-479RESISTOR4.7 OHM 1/2W 5% CF1R137 QAF0450-100RESISTOR10 OHM 1/4W 5% CF1R146 QAF0450-10

11、1RESISTOR100 OHM 1/4W 5% CF2R132 R134 QAF0650-102RESISTOR10K OHM 1/6W 5% CF2R115 R124 QAF0650-103RESISTOR10K OHM 1/6W 5% CF17R101 R102 R105 R106 R108 R109 R122 R123 R125 R128 R133 R138 R139 R140 R153 R160 R161 QAF0650-104RESISTOR100K OHM 1/6W 5% CF1R117 QAF0650-105RESISTOR1.0M OHM 1/6W 5% CF1R114 QA

12、F0650-152RESISTOR1.5K OHM 1/6W 5% CF3R126 R147 R149 QAF0650-183RESISTOR18K OHM 1/6W 5% CF4R110 R111 R112 R113 QAF0650-223RESISTOR22K OHM 1/6W 5% CF2R151 R162 QAF0650-224RESISTOR220K OHM 1/6W 5% CF1R120 QAF0650-304RESISTOR300K OHM 1/6W 5% CF1R158 QAF0650-330RESISTOR33 OHM 1/6W 5% CF1R127 QAF0650-332R

13、ESISTOR3.3K OHM 1/6W 5% CF1R148 QAF0650-334RESISTOR330K OHM 1/6W 5% CF2R119 R159 QAF0650-392RESISTOR3.9K OHM 1/6W 5% CF1R154 QAF0650-393RESISTOR39K OHM 1/6W 5% CF1R107 QAF0650-394RESISTOR390K OHM 1/6W 5% CF1R116 QAF0650-472RESISTOR4.7K OHM 1/6W 5% CF1R156 QAF0650-562RESISTOR5.6K OHM 1/6W 5% CF2R129

14、R150 QAF0650-563RESISTOR56K OHM 1/6W 5% CF2R130 R135 QAF0650-682RESISTOR6.8K OHM 1/6W 5% CF1R152 QAF0650-821RESISTOR820 OHM 1/6W 5% CF1R131 QAF0650-824RESISTOR820K OHM 1/6W 5% CF1R121 QAF0650-103RESISTOR10K OHM 1/6W 5% CF2R103 R104 Capacitors PRD1335-220COND DISC22 pF 50V 5%1C124 PRD3545-101COND DIS

15、C100 pF 50V 10% Y5P3C102 C118 C122 PRD3545-102COND DISC1000 pF 50V 10% Y5P1C121 PRD3545-104COND DISC0.1 uF 50V 10% Y5P2C155 C156 PRD3545-331COND DISC330 pF 50V 10% Y5P1C115 PRD3545-471COND DISC470 pF 50V 10% Y5P1C114 PRD4965-203COND DISC0.02 uF 50V +80-20%3C152 C153 C154 PRE3951-101COND ELECT 100 uF

16、 10V 20% 85C2C103 C116 PRE3951-221COND ELECT 220 uF 10V 20% 85C1C111 PRE3952-100COND ELECT 10 uF 16V 20% 85C1C110 PRE3952-101COND ELECT 100 uF 16V 20% 85C2C112 C128 PRE3952-221COND ELECT 220 uF 16V 20% 85C1C132 PRE3954-100COND ELECT 10 uF 35V 20% 85C2C123 C129 PRE3954-221COND ELECT 220 uF 35V 20% 85

17、C2C117 C120 PRE3955-109COND ELECT 1 uF 50V 20% 85C3C113 C119 C133 PRE3955-478COND ELECT 0.47 uF 50V 20% 85C1C108 PRE3955-479COND ELECT 4.7 uF 50V 20% 85C1C101 PRM3737-104COND MYLAR 0.1 uF 100V 5%1C157 PRM3737-152COND MYLAR 0.0015uF 100V 5%1C158 9 Powered SubwooferMedia Sub Part NumberDescriptionQty

18、Reference Designator PRM3737-273COND MYLAR 0.027 uF 100V 5%4C104 C105 C106 C107 PRM3747-104COND MYLAR 0.1 uF 100V 10%1C126 PRD3545-101COND DISC100 pF 50V 10% Y5P2C150 C151 PVE3954-332COND ELECT 3300 uF 35V 20%2C130 C131 Semiconductors RAD4001-001RECTIFIER1N4001 1A 35VRMS1D103 RAD4148-001DIODE SW1N41

19、483D101 D102 D104 RAZ0859-070DIODE ZENR5.6-5.9V 0.5W HITACHI HZ6B-21ZD102 RAZ0859-081DIODE ZENR11.9-12.4V 0.5W HITACHI HZ12A-21ZD101 RAN0945-001XISTR NPN2SC945P NEC6Q101 Q102 Q103 Q106 Q107 Q108 RHD0202-001RECTIFIERBRIDGE RS202L1BD101 RHI0740-001IC 14 PINTL074CN SGS QUAD OP-AMP1IC101 RHI4032-001IC 1

20、5 PINSTK4032II SANYO 40W POWER AMP1IC103 RHI4558-001IC 8 PINJRC4558D JRC DUAL OP-AMP1IC102 Miscellaneous/Mechanical APE0083-A33CNTL SW AYCNTL JACK PCB ASSY CCN1500-035CONNECTOR B10B-XH-A 10 PIN PST BSE TOP P=2.5RB102A CCN3962-002CONNECTOR 2 PIN CL3962WVO PST BSE TOP P=3.96CN501 MRL2212-003RELAYOJE-S

21、S-112DM 12V DC 37.5 mARL101 CFC2557-001FUSE CLIPDIA5xL20mm FUSEF101 20565-120BBWIRE 22 GA120 mm BLACK 4-4 UL 1007 P104A TO P104B 20565-122BBWIRE 22 GA120 mm RED 4-4 UL 1007P103A TO P103B, P105A TO P105B XHP0001-001L PINP106 P107 APE0083-B33CNTL SW AYCNTL JACK PCB ASSY CJM9380-028PHONE JACK D3.5 JY35

22、42-01-030JK101 JK102 DSS0545-003HOUSINGLED HOUSING LEK2-4.5 5 DIA H=4.5 mmLD001 KEM0001-001LED5 DIA RED/GREENLD001 MRR0103-001CNTL ROTRY 10K OHM B SIGNAL WITH SWITCH ON/OFF 5003A2501B0COND WIRE10 COND 250 mmRB102B TO RB102A APE0083-C22XFORM PCBXFORM PCB ASSY 100V E035-1X (HI) APE0083-C33CNTL SW AYCN

23、TL JACK PCB ASSY GSE0073-001BRACKETPCB BRACKETPCB-BRACKET H120301-308SCREWT3.0 x0.5pxL8.0 mm PAN HEAD BLACKPCB TO BRACKET BPA0013-000COVER BPK5027-000VOL. KNOBE-035 (JBL) DBU0002-001BUSHINGAC LINE BUSHING PIN GOOD 4RF-5AC CORD BUSHING GAL0032-001REAR PLATE AC 120V60Hz H021401-312SCREWM3.5xP1.4xL12 m

24、m PAN HEAD BLACKREAR TO COVER H060404-310SCREWM3.5xP0.6xL10 mm BLACK WAFER HEADREAR COVER TO TRANFORMER-4 H060404-321SCREWM3.5xP0.6xL21 mm BLACK WAFER HEADREAR TO IC-2 H120301-308SCREWT3.0 x0.5pxL8.0 mm PAN HEAD BLACKREAR TO BRACKET HNI1482K-NUT#6-32 NICKEL WITH TOOTH WASHERTRANSFORMER-6 IVE0025-001

25、SPONGE85x65mmCOVER IVE0027-001SPONGEL185xW8xT2mmCOVER-1, BETWEEN REAR PLATE AND AC CORD-0.5 IVE0083-001SPONGEL82xW37xT4mmTRANSFORMER AREA IVS0003-001SPONGEL60 xW10 xT1mmVOLUME PCB-1 IVS0004-002FELTL20 xW10 xT0.9mmVR PCB TO COVER SLOT-4 KSA2100-002FUSE1A 250V SLOW 5x20mm UL/CSA/T-MARKF101 TTH1200-112

26、PWR TRANSEI-66 120V 20W 47455-D52LINE CORDSPT-2 1980mm POL BLK-UL DBLE INS 10 Powered SubwooferMedia Sub 11 12 Powered SubwooferMedia Sub INTEGRATED CIRCUIT DIAGRAMS 13 KJIHGFEDCBALMN0 1 2 3 4 5 6 7 8 P 8 7 6 5 4 3 2 1 9 LMABCDEFGHIJK 9 0PN Media Sub Schematic Diagram POWERED SUBWOOFERMedia Sub IC10

27、3 STK4024 II Test voltages are printed in orange. voltages are displayed in boxes. Other voltages shown are fordue to the Auto On/Off function. Operational Mode Stand-by Mode 0.0V 0.0V 0.0V 0.0V 0.0V 0.0V 0.0V 0.0V -20.1V +20.1V +20.4V -1.3V -1.3V -22.4V +22.2V -22V -1.35V -1.34V -22.6V +22.4V 5.6V

28、5.61V 0.0V 0.0V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V -1.2V -1.27V -21.8V -21.7V -13.5V +21.9V +0.5V -22.4V AC 17.7V AC 17.7V +22.3V +11.0V 1.3V 0.47V 7.14V 2.47V 2.48V 0V 5.9V 6.10V 6.3V 7.25V 4.8V 1.36V 12.1V 12.1V 12.1V 12.1V IHGFEDCBA 8 7 6 5 4

29、 3 2 1 9 ABCDEFGHI Media Sub Schemati POWERED SUBWOOFER 5.6V 5.61V 0.0V 0.0V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V 5.6V +11.0V 1.3V 0.47V 7.14V 2.47V 2.48V 0V 5.9V 6.10V 6.3V 7.25V 4.8V 1.36V 12.1V 12.1V 12.1V 12.1V 14 KJILMN0 1 2 3 4 5 6 7 8 P LMIJK 9

30、0PN b Schematic Diagram Media Sub IC103 STK4024 II Test voltages are printed in orange. voltages are displayed in boxes. Other voltages shown are fordue to the Auto On/Off function. Operational Mode Stand-by Mode 0.0V 0.0V 0.0V 0.0V 0.0V 0.0V 0.0V 0.0V -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 -22.4V AC 17.7V AC 17.7V +22.3V 15