Media Sub2000 Service Manual
Contents
1. VOLUME 8 POWER INDICATOR LED R476 5 N VR404 te 10K 106 c px AA 3 Y gt E gt Lp4o2 a LVU0195 011 4 R605 R610 910 ER 100 IC601 TDA8563Q 022 T R604 C602 C606 JK301 m 12K OTP T SUBWOOFER C600 10803 45 6 5 aie 5 1 C608 9 R303 T AT 56 R616 gt gt R606 _ 4 7118 2 d 330 220 1C351 A 10K IC351 B CN601 a JK302 1 C612 905 OUTPUT C605 068 1 50 C609 0610 1 VI E I 001 022 350 8 R351 R905 L 1 100 10K 8 0905 1N4148 3 5 C915 Q901 3 7 R906 d 25 945 4N 5 100 16 25 945 9 59 n 4 v i R614 R501 Loc 902 C909 1 22 R503 C504 R907 78112 10 e 4 7116 946 22K 7 8 10K N C911 9 R615 d JE d L 4 2 4K7 4 co O O C919 T901 D906 5 x 001 Y1 70903 TSA1201 001 SPS2DIONET 2 1 12 2 ip 0351 00020 2 3 g r2. MN AC SOCKET i 2 2 1 RB401 lt 0 5 LVUO195 011 SS CONTROL PCB EA CN LO cerouv 9 g V TOHLNOD 000ZANS ICS AND TRANSISTORS VOLTAGE CHART PART REF VOLA NO OF PIN 0002416 DUAL OPAMP TLO72 IC301 TDA8563Q IC601 12V REGULATOR A OUTPUT 1 8 V 7812 IC902 INPUT 2 13 A INPUT 2 A 7 BOUTPUT DIAGNOSTIC OUTPUT 12 MODE SWITCH 11 mum s Us 1 GROUND 2 INPUT 4 5 B INPUT 3 OUTPUT GND2 8 e OUTPUT2A 7 9 co OUTPUT 1B 6 ES GND1 5 OUTPUT 1 4 VP 3 1 23 GROUND SIGNAL 2 INPUT 1 1 QUAD OP AMP TLO74 IC351 OUT 4 IN 4 IN 4 VEE IN 3 IN 3 OUT 3 14 13 12
3. 0xL10 0 mm MECHANICAL PARTS LIST PART NO BPF5041 AQ1 BPA0029 AQ1 2040 371 0030 001 023 001 GAL0089 002 0010 001 0009 001 APE0194 002 10090 001 0033 001 55 0181 002 55 0180 001 APE0195 012 0034 001 BNP0052 001 0031 0 0008 001 0014 001 BRF0024 001 0066 001 BPL0018 002 BPK5041 AQO CPP0002 004 2559 002222 IVE0043 002 H060501 185 H101001 108 H101001 308 H101001 316 H101002 310 H120301 308 H120301 310 H120308 308 H101001 110 QTY S BD 10 MEDIA 5082000 ELECTRICAL PARTS LIST DESIGNATOR CAPACITORS C301 C302 303 304 352 612 350 353 905 909 C911 C915 C930 C351 C354 C355 C910 C504 C505 C608 C600 C603 C605 C604 C606 C609 C610 C901 C902 C903 C907 C908 C916 C917 C918 C919 C920 CONNECTORS 401 601 901 SEMICONDUCTORS D351 D903 D905 D902 D906 20903 20904 20908 IC301 IC351 IC601 BD901 IC901 IC902 IC903 Q352 Q353 Q501 Q901 RESISTORS R301 R305 R353 R354 R357 R358 R503 R607 R905 R906 R303 R348 R351 R370 R610 R355 R356 R359 DESCRIPTION CHIP CAP CHIP CAP CHIP CAP CHIP CAP COND ELECT COND ELECT CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP CHIP CAP COND SAFTY COND ELECT COND ELECT COND ELECT COND ELECT COND ELECT COND SAFTY COND SAFTY CONNECTOR CONNECTOR CONNECTOR DIODE SW DIODE DIO
4. 1 RCN1623 001 QCF0851 103 QCF0851 562 QCF0851 104 QCF0851 101 QCF0851 154 QCF0851 334 QTY N NO ND gt o 5 c Ko o o c lc cl 0 gt 11 ELECTRICAL PARTS LIST CONT D DESIGNATOR R360 R606 R361 R362 R380 R363 R364 R615 R366 R368 R614 R369 R501 R907 R502 R604 R605 R616 R901 R902 R903 R904 BETWEEN Q352 BASS TO GND MISCELLANEOUS IC601 TO HSINK IC901 JK301 JK301 CN601 TO WOOFER SPK CN901 TO AC SOCKET D906 D906 D906 1C901 D906 1C901 F901 HEAT SINK TO 901 HSINK TO D906 L901 L902 P1 TO P2 PCB TO H SINK IC901 T901 LED PCB ASSEMBLY PARTS LIST REF NO LD402 PCB BRACKET R476 RB401 TO 401 VR404 DESCRIPTION CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES RESISTOR CHIP RES CHIP RES RESISTOR SCREW HEAT SINK PHONE JACK CON WIRE CON WIRE HEAT SINK NUT WASHER SI RUBBER FUSE SCREW SCREW AC FILTER CHOKE WIRE 18 GA SCREW PWR TRANS DESCRIPTION LED FELT RESISTOR CON WIRE CNTL ROTRY 94V0 PCB 220K OHM 1 8W 5 820K OHM 1 8W 5 680K OHM 1 8W 5 82K OHM 1 8W 5 470 OHM 1 8W 5 1K OHM 1 8W 5 680 OHM 1 8W 5 22K OHM 1 8W 5 33K OHM 1 8W 5 12K OHM 1 8W 5 910 OHM 1 8W 5 330 OHM 1 8W 5 1M OHM 1 2W 5 22 OHM 1 8W 5 33 OHM 1 8W 5 10K OHM 1 8W 5 M3 0xL12 0xP0
5. 11 10 9 8 52501 IC903 PULSE INPUT Vcc v 500 2 SR 1000 1 2 3 4 5 6 7 OUT 1 Veg N 2 0012 2 Q9 227 901 CONTROL 0 0 DRAIN 7 INTERNAL suppLY EIS SHUTDOWN SHUNT REGULATOR AUTO RESTART ERROR AMPLIFIER LN 47N TOP227Y C 57V 901 SHUTDOWN EE R Q CONTROLLED GATE OSCILLATOR DRIVER cLock SAW gt D p BLANKING PWM COMPARATOR MINIMUM ON TIME SOURCE REF oO AN UN 3 amp BW DESCRIPTION FRONT CAB REAR CAB SPEAKER DRIVER BAFFLE BOTTOM PORT PLATE SEAL RUBBER RUBBER MAIN ASSEMBLY HEAT SINK PORT EDGE REAR BRACKET PCB BRACKET LED PCB ASSEMBLY TIN FOIL PVC PLATE MASK PLATE RUBBER BUSHION FEET LENS LOGO PLATE KNOB AC SOCKET LINE CORD DRIVER SPONGE SCREW SCREW SCREW SCREW SCREW SCREW SCREW SCREW SCREW ABS W KNOB HOLEx1 PP BEIGE 4 2 OHM 20W MAGIC WOOF MAGIC WOOF t 3 0 mm 0 1 TIN 0 4 PAPER L20 0xW6 0xT0 5 mm MAGIC WOOF M SUB BOSS BUSHION LOGO PLATE MEDIA SUB 2 5A 250V UL CSA VDE VDE 1830 MM OD102xID91xT 1 M4x0 7PxL85 0 mm 13 0x1 27P 2RHxL8 mm T3 0xL8 0 mm T3 0xL16 0 mm T3 0xL10 0 M3x0 5Px8 mm M3x0 5Px10 mm M3x0 5PxL8 0 mm T3
6. 5 mm AL 30x25x35H BLACK JYE TAI 3542 01 030 2 COND 400 350mm 4 COND 180mm P 3 96m AL 2 0t BLACK M3 0x2 5t NICKEL HD 6 7 ID 3 2 OD 3 6 13x18x0 3t mm 4A 250V SLOW T3x6 mm M3 0x0 5PxL8 0 mm A6109 33 mH 0 4A 6110 3 3 uH 80 MM BLACK UL 1617 T3 0xL6 0 mm 97 550 1 EE 30 MULTI COLOR LED TWO 120x5x0 2 mm 5K 1 6W 5 CF 6 COND 200 mm RV0O93NB10KPtEj 15F S LED PCB PART QCF0851 224 QCF0851 824 QCF0851 684 QCF0851 823 QCF0851 471 QCF0851 102 QCF0851 681 QCF0851 223 QCF0851 333 QCF0851 123 QCF0851 911 QCF0851 331 QHF0250 105 QCF0851 220 QCF0851 330 QAF0850 103 H120302 312 GAL0093 001 CJM9380 028 4999A 369 4999A 370 GAL0094 001 HNM3055 125 0 0007 001 GSI0001 001 KSD2400 001 H101012 206 H060308 108 JLF0002 001 SVC0002 339 5824 080 120301 106 5 1201 001 1 001 50005 001 QAF0650 502 4999A 384 0103 012 LVUO195 201 QTY n c c QTY mi 12 UBL Media Sub2000 gt UJ i SCHEMATIC G M 0194 002
7. DE DIODE DIODE ZENR DIODE ZENR IC 8 PIN IC 14 PIN IC 13 PIN RECTIFIER IC 3 PIN IC 3 PIN IC 4 PIN XISTR NPN CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES 220 pF 50V 109 1 uF 16V 80 2096 0 1 uF 50V 20 470 pF 50V 1096 330 uF 16V 209 100 uF 16V 2096 4 7 16V 80 2096 0 068 uF 50V 595 0 15 uF 50V 10 0 022 uF 10 0 001 uF 50V 1096 0 22 50V 80 2096 0 1 uF 250V 20 150 uF 400V 2096 47 uF 25V 20 2700 uF 25V 20 1000 uF 25V 20 0 10 22 uF 25V 20 0 0022 uF 250V 2096 0 001 uF 250V 20 J S T 2 0mm PH 2 PIN CL3962WVO 4 PIN CL3962WVO 114148 TELEFUNKEN BYV26D PHILIPS MBR STPS20100CT P6KE180A 13 5 14 0V 5W 12 6 13 1V 5W TLO72 DUAL OP AMP TLO74CD QUAD OP AMP TDA8563Q POWER AMP BRIDGE RS204L TOP227Y PWM SWITCH REGULATOR 12V PS2501 OPTOCOUPLER SMT TYPE 28 945 1 8W 5 5 6 OHM 1 8W 5 100K OHM 1 8W 5 100 OHM 1 8W 5 150K OHM 1 8W 5 330K OHM 1 8W 5 PART PCV5645 221 PCV3962 105 PCV3955 104 PCV5645 471 952 331 952 101 PCV3962 475 PCV5635 683 PCV3945 154 PCV5645 223 PCV5645 102 PCV3965 224 53559 104 PJE995E 151 953 470 PVR9953 272 PVE3953 102 PRE3953 220 3559 222 3559 102 CCN7879 026 CCN3962 002 CCN3962 234 RCD4148 001 0026 001 RHD2010 001 RHD0180 001 RAZ0859 083 RAZ0859 082 RCIO720 001 RCIO740 001 RHI8563 001 RHD0204 001 RHIO227 001 RHI7812 004 RHI2501 00
8. du MultiMedia Series Loudspeakers Media Sub2000 Service Manual 555 SESS 5559 S JBL Consumer Products 250 Crossways Park Dr Woodbury New York 11797 CONTENTS SPECIFICATIONS amp TEST OPERATIONS CONNEC TION 2 PERV IC EBUOUEEE TIN dam aquas 3 AMPLIFIER BLOCK DIAGRAM 4 WIRING DIAGRAM de 5 Em 6 VOLTAGE GE dea 7 FREE 5 KDEA RAN 9 MECHANICALTPARTS BIS T Gave 10 PRTC AE 11 13 Media Sub2000 Specifications Max Power Output 35 watts 1 THD Frequency Response 50Hz 120Hz Input Sensitivity 3V Maximum Input Impedance 10k ohms oignal Input Jack otereo Mini Connector 1 8 Signal Output Jack Stereo Mini Connector 1 8 Dimensions H x W x D 9 5 8 x 5 1 4 x 10 244 x 133 x 273mm Weight 7 0 Ibs 3 2kg TEST PROCEDURE Media Sub2000 Frequency 20Hz 600Hz Input Voltage 0 175 Volume Maximum General Function 1 Assure Level control volume is Maximum full CW 2 Using sine wave generator sweep unit to range of above frequencies 3 Listen to driver and cabinet for rattles clicks buzzes or other unusual noises Media Sub2000 Level To raise the output level rotate th
9. e level knob clockwise To lower the output level rotate the level knob counterclockwise Auto turn on turn off The Media 2000 and Media Sub2000 feature an automatic turn on turn off feature They will turn off when the source equipment computer or CD player has no sound output for approximately fifteen minutes and immediotely turn back on when a signol is present CONNECTIONS Computer Sound Card Other Powered or Multimedia Speaker Line Out Line In JBL Service Bulletin Service Bulletin JBL9802 May 1998 This is considered a Major repair All JBL Service Centers Model Media Sub2000 Powered Subwoofer Subject False Triggering In the event you receive a Media Sub2000 with the complaint the subwoofer never shuts off or the unit cycles on amp off by itself with no input signal perform the following modification to raise the input threshold of the subwoofer amplifier Procedure 1 Turn the unit upside down and remove the 8 mounting screws on the bottom plate This includes the 2 deeply recessed screws near the center of the plate Then remove the 2 smaller screws holding the black input plate to the end of the cabinet 2 Pull the plate and amplifier up and out the cabinet 3 Unplug all 3 molex connectors and remove the 2 small screws holding the input plate onto the amplifier PCB remove the input plate 4 To gain access to the compo
10. n 8 amp 100P PNE 6KE18 1902 o 3 3UH 2 5A 150 400 09023 8 348 5 5 1901 1 3 C907 6 5 08 R370 100 33mH 04A WEM i NT 92 2700 25 9 5 85256 gt R357 R36 dis 5 1 BL re R362 1K 2501 O 12 IC351 C C355 15 901 1N4148 903 1 680K 0 1 250 BL i 4 100 16 22 0903 6 7 la 3 8 9 13V 20904 352 10 M 0352 IC351 D R366 R902 353 256945 01 IC301 A 0 1 50 13 Q353 5 IM 4 2W Of 411 4 3 1 47 25 18 0354 R360 12 25 945 F901 913 R904 ZD908 R359 1 41480 220K R361 901 R356 gt 28358 330K lt 820K 1 33 18V 150K 10K 330 16 R363 bod 914 82K R364 2 1 E dod 918 917 uS R380 470 0022 Y2 0022 Y2 AC INLET ED T T G ul 13 14 9 0 UN 2 V 15191 5 05 019 055885095 uf v 55885425385 TESESSOSS 22 2 5 onal 219 2 5 5 lt 2 lt g
11. nents remove the 2 remaining small screws holding the PCB to the bottom plate and detach it from the plate 5 Locate C351 100pf SMD cap Replace with 470 pf part JBL part CP1885 See drawing 6 Locate R348 330KQ SMD resistor Replace with 100kQ part JBL part RS2043 7 Locate Diode D351 Solder 10 resistor JBL part RS2042 in parallel with the diode 8 Reassemble and replace the amplifier assembly into the cabinet in the reverse order making sure all connectors and screws are replaced When re attaching the input plate make sure both ground terminals are attached to the screw 9 Test unit and assure that the subwoofer stays in the standby mode with no input signal and comes out of protection with a 50 Hz 50 mV input signal When replacing the final two screws in the center of the bottom plate because of the design you cannot drop the screws into each cavity and expect the screws to align with the holes With a Philips screwdriver well fitted to the screw head you may either use a magnetized screwdriver and lower the tip with screw carefully down into the cavity to align OR turn the subwoofer right side up and insert the tip with screw up into the cavity Serial number Serial number 120V 230V Media AC0029 10001 False Triggering Change value of C351 and R348 add 10 Sub2000 to resistor in parallel with D351 AC0029 11300 Media AC0029 11301 AC0030 01001 Factory NONE REQUIRED JBL Incorpora
12. t lt 0 ok gt 2 gt 220225280 oa ao 9 os E G 9 0 X V I VIV 3 AD PES NDD V 00024116 A
13. ted 250 Crossways Park Dr Woodbury New York 11797 516 496 3400 3 BLOCK DIAGRAM E Media Sub2000 LO N LLI JK301 IC351 VR404 IC601 AUDIO INPUT TLO74 SUBWOOFER 2 POWER AMP 1 LOW PASS FILTER VOL CNTL TDA8563Q JK302 AUDIO OUTPUT LD402 MULITI LED m MUTE RED STANDBY Q501 GREEN ON POWER SUPPLY gt AFTER NO SIGNAL I P FOR A WHILE M 301 AUTO POWER OFF ON TLO72 SMITH TRIGGER COMPARE CIRCUIT SWITCHING POWER IC351 CIRCUIT AG CORD 1074 T901 D906 1C901 lt 2 w N LO N v LO LLI C MAIN PCB 5 8 lt Q 5 e peu 22 lt 2 15 CN901 o 5 EE CN601 Bn SUBWOOFER lt
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