Infinity Powered Subwoofer Basslink II None Service Manual
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Infinity Powered Subwoofer Basslink II None Service Manual

Powered automotive subwoofer
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BassLink II
Powered Automotive Subwoofer
SERVICE MANUAL
Infinity Systems, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
Rev0
8/2005

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Summary of Contents for Infinity Powered Subwoofer Basslink II None

  • Page 1 BassLink II Powered Automotive Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev0 8/2005...

  • Page 2: Table Of Contents

    Sub Level Control (w/o housing): Fuse: Infinity 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. - CONTENTS - 250W RMS 1% THD 20Hz –...

  • Page 3: Powered Subwoofer Basslink

    Basslink II Powered Subwoofer...

  • Page 4: Connections/Applications

    8. For more system ideas, see your used to provide nonfading bass when connected to authorized Infinity car audio dealer. a head unit with four outputs. Note: The applications show the REMOTE LEVEL Figure 6.
  • Page 5 Powered Subwoofer PPLICATIONS CONTINUED Figure 7. BassLink II audio connections for a head unit equipped with four line-level (RCA) outputs. BassLink II (right side) LF Speaker RCA Stereo Cables – (not supplied) Source Unit – LR Speaker Figure 8. BassLink II audio connections for a head unit equipped with four speaker-level outputs.
  • Page 6 Powered Subwoofer NSTALLATION DESCRIPTION Figure 9. The BassLink 4sc is a plug-and-play amplifier designed to make upgrading your system easy. The BassLink 4sc is designed to slide into an available slot in the BassLink II. Unlike an additional outboard amplifier, the BassLink 4sc doesn’t require any additional space.

  • Page 7: Tuning Basslink

    If necessary, consult your authorized Infinity 7. Switch the PHASE control to 180° and listen car audio dealer for help in tuning your system.
  • Page 8 Powered Subwoofer ONNECTING THE NSTALLATION ONTROL TO The REMOTE LEVEL control may be mounted Route the cable behind the dash or other interior under the dash or may be dismantled and panels and under the carpet. Do not route the mounted in the dash for a factory appearance.

  • Page 9: Basic Troubleshooting

    (see Tuning BassLink II on page 6). utes after sensing that audio signals are not 3. Head-unit output is distorted or blown. See present before shutting down. your authorized Infinity car audio dealer. Basslink II • PROBLEM: BassLink II produces a loud humming noise with the system OFF when using speaker-level inputs.

  • Page 10: Disassembly Procedure

    Powered Subwoofer 1) Remove “Amplifier Dock” cover; (8) Phillips screws. 2) Remove (10) Phillips screws holding main heatsink/amplifier to enclosure, tapping the heatsink with a rubber mallet may be necessary to loosen it. Pull amplifier from enclosure 3) Remove single 12 pin Molex connector M300 and both pairs of FASTON terminals from the amplifier PCB;...

  • Page 11: Exploded View

    Powered Subwoofer EXPLODED VIEW 2.6 ohm DCR Basslink II Ref # Description Part Number Infinity Logo 316-000-00130-1BA Grille 329-100-05125-0VA Screw M6*25 Black 351-AM06025A946 Screw T4*25 Black 352-AM04025D964 Front baffle 372-000-05027 Woofer F25X12PR-03DW-P Gasket 333-EVA-05142-0BA PVC label 315-PC-05035-0TAE Side Cover 305-PC-05007-0BA...

  • Page 12: Amplifier Block Diagram

    Basslink II Powered Subwoofer...

  • Page 13: Powered Subwoofer

    Powered Subwoofer BASSLINK II Electrical Parts List Part Numbers Description POWER SUPPLY/MAIN PCB Resistors 110-14102j26 Resistor 1K 1/4W ±5% CF 26mm 110-16102j26 Resistor 1K 1/6W ±5% CF 26mm 110-16103j26 Resistor 10K 1/6W ±5% CF 26mm 110-16154j26 Resistor 150K 1/6W ±5% CF 26mm 110-16182j26 Resistor 1.8K 1/6W ±5% CF 26mm 110-16203j26...
  • Page 14 Powered Subwoofer Part Numbers Description POWER SUPPLY/MAIN PCB 193-0s4211 insulator (INSULATION SPACER)42*11 193-201612tr insulator TO-220 16mm*12mm 236-AL-05001 AL patten 317-000-00037 terminal T=0.3 323-AL-05042-0BA heat sink 218*100*21(H) 323-AL-05043-1LA heat sink 177*93*73MM 333-EVA-00216 EVA PACKING(G)15*25*3T 333-EVA-05144-1BAE EVA 199.63*10*3T black (RoHS) 333-EVA-05145-2BAE EVA98*8.5*3T (RoHS) 351-AM03005A015 screw M3*0.5P*5L 351-AM03016A097...
  • Page 15 Powered Subwoofer Part Numbers Description JACK/LIMITER PCBs 135-3226m50 electrolytic cap 22U 50V ±20% 135-3475m50 electrolytic cap 4.7U 50V ±20% 135-3476m50 electrolytic cap 47uF 50V ±20% 137-3106m35-e mini aluminum ec 10uF 35V 85 ℃ ± 20% ψ5*5 (RoHS) Semiconductors 190-06m13700n I.C. NJM13700N JRC Dual Op Transconductance Amplifier 190-06m45581d I.C.NJRC NJM4558LD Dual Op-amp 190-16t1074cn...
  • Page 16 Powered Subwoofer Part Numbers Description PWM/CONTROL PCB 110-16432j26 Resistor 4.3K 1/6W±5% CF 26mm 110-16433j26 Resistor 43K 1/6W±5% CF 26mm 110-16471j26 Resistor 470ΩK 1/6W±5% CF 26mm 110-16472j26 Resistor 4.7K 1/6W±5% CF 26mm 110-16512j26 Resistor 5.1K 1/6W±5% CF 26mm 110-16562j26 Resistor 5.6K 1/6W±5% CF 26mm 110-16681j26 Resistor 680ΩK 1/6W±5% CF 26mm 110-16682j26...
  • Page 17 Powered Subwoofer Part Numbers Description GAIN PCB 110-16473j26 Resistor 47K 1/6W±5% CF 26mm 110-16474j26 Resistor 470K 1/6W±5% CF 26mm 110-16622j26 Resistor 6.2K 1/6W ±5% CF 26mm Capacitors 129-a104j633 metalized capacitor 0.1U 63V±5%MSTCAP 129-a224j633 metalized capacitor 0.22uF 63V±5%MSC 129-a274j633 metalized capacitor 0.27uF 63V±5% 129-a394j633 metalized capacitor 0.39uF 63V±5%MSTCAP 129-a823j633...
  • Page 18 Powered Subwoofer Part Numbers Description CLASS D AMP 192-091sc4672 transistor 2SC4672(MPT3)ROHM 192-092130376qs SMD transistor 2SA1037K-T146Q/R ROHM 192-09215146rs SMD transistor 2SA1514K-T146R ROHM 192-1582n5401 transistor FSC 2N5401 AI-PNP 350V 500mA TO-92 197-03r1s4148s SMD diode RLS4148-TEII ROHM 199-15000563s SMD ZENER 5.6V 5%PHILIPS BZX84-C5V6 199-15001203s SMD ZENER 12V 5% PHILIPS BZX84-C12 192-232irf9640...

  • Page 19: Drawings

    Basslink II Powered Subwoofer...
  • Page 20 Basslink II Powered Subwoofer...
  • Page 21 Basslink II Powered Subwoofer...
  • Page 22 Basslink II Powered Subwoofer...
  • Page 23 Basslink II Powered Subwoofer...
  • Page 24 Basslink II Powered Subwoofer...
  • Page 25 Basslink II Powered Subwoofer...
  • Page 26 Basslink II Powered Subwoofer...
  • Page 27 Basslink II Powered Subwoofer...
  • Page 28 Basslink II Powered Subwoofer...
  • Page 29 Basslink II Powered Subwoofer...
  • Page 30 Basslink II Powered Subwoofer...

  • Page 31: Ic/Transistor Pinouts

    Basslink II Powered Subwoofer...

  • Page 32: Schematics

    Basslink II Powered Subwoofer...
  • Page 33 Basslink II Powered Subwoofer...
  • Page 34 Basslink II Powered Subwoofer...

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Basslink ii

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