Infinity BassLink II Service Manual
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Infinity BassLink II 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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  • Page 1 BassLink II Powered Automotive Subwoofer SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev0 8/2005 Get user manuals: See SafeManuals.com...

  • Page 2: Table Of Contents

    (56mm x 34mm x 20mm) 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. Get user manuals:...

  • Page 3: Packaging

    Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...

  • Page 4: Connections/Applications

    Turn On feature, set AUTO TURN ON to the grommet to protect the wires. AUTO position (see Figure 15 on page 6). • Connect a short GND wire from BassLink II to the nearest bare metal surface. For a good connection, sand away paint from the metal surface and use a screw with a (star) lock washer.
  • Page 5 Basslink II Powered Subwoofer PPLICATIONS CONTINUED Figure 7. BassLink II audio connections for a head Figure 8. BassLink II audio connections for a head unit equipped with four line-level (RCA) outputs. unit equipped with four speaker-level outputs. BassLink II (right side)
  • Page 6 PHANTOM CENTER 6. Install 40A fuse at the battery. controls. Note: All four inputs on BassLink II must be used For proper setup, please refer to the full in order for the BassLink 4sc amplifier to function BassLink 4sc owner’s manual.

  • Page 7: Controls And Functions

    BassLink II when seated in the normal listen- ing position. Figure 14. BassLink II controls on the front panel. 3. On BassLink II’s front panel, initially set PHASE Control: Use this switch to reverse the all controls to their midpoint positions, as 9.
  • Page 8 Connect the RJ11 cable allows you to reduce the subwoofer output for between the RJ11 receptacle on the BassLink II music with heavy bass content and increase the UNDER-DASH MOUNTING and the receptacle on the REMOTE LEVEL control level for music with less bass content.

  • Page 9: Basic Troubleshooting

    Tuning BassLink II on page 6). operation when AUTO TURN ON is set to ON. + Speaker wire 2. Bass is set too high. Readjust BASS BOOST BassLink II will remain on another 5 to 10 min- To + speaker lead from head unit Capacitor control (see Tuning BassLink II on page 6).

  • Page 10: Disassembly Procedure

    Basslink II Powered Subwoofer BASSLINK II DISASSEMBLY 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

    Basslink II Powered Subwoofer Ref # Description Part Number EXPLODED VIEW 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 Plastic Control Cover...

  • Page 12: Amplifier Block Diagram

    Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...

  • Page 13: Electrical Parts List

    Basslink II Powered Subwoofer BASSLINK II Electrical Parts List Part Numbers Description Reference Designators POWER SUPPLY/MAIN PCB Resistors 110-14102j26 Resistor 1K 1/4W ±5% CF 26mm R561 110-16102j26 Resistor 1K 1/6W ±5% CF 26mm R560 110-16103j26 Resistor 10K 1/6W ±5% CF 26mm...
  • Page 14 Basslink II Powered Subwoofer Part Numbers Description Reference Designators POWER SUPPLY/MAIN PCB 193-0s4211 insulator (INSULATION SPACER)42*11 193-201612tr insulator TO-220 16mm*12mm for Q10,10B,11 236-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 TO thermister-2 333-EVA-05144-1BAE EVA 199.63*10*3T black (RoHS)
  • Page 15 UL wire ass'y 450mm #2468 26AWG 12PIN W300 162-a030d001 wire ass'y 300mm 16AWG BAT+,BAT- 174-0b402p RCA JACK B402P 174-535913sg-1 DC JACK BASSLINK II JK500 174-9mjd0604 jack M/JACK D/S 6P4C BLACK 6U 175-9c08v01 coupling 8PIN PITCH=2.5mm W200 175-9f10v02 coupling 10PIN black PITCH=2.54mm PHFY-10SB-S032...
  • Page 16 Basslink II Powered Subwoofer Part Numbers Description Reference Designators PWM/CONTROL PCB 110-16432j26 Resistor 4.3K 1/6W±5% CF 26mm R505 110-16433j26 Resistor 43K 1/6W±5% CF 26mm R503 110-16471j26 Resistor 470ΩK 1/6W±5% CF 26mm R510,522,524 110-16472j26 Resistor 4.7K 1/6W±5% CF 26mm R520 110-16512j26 Resistor 5.1K 1/6W±5% CF 26mm...
  • Page 17 Basslink II Powered Subwoofer Part Numbers Description Reference Designators GAIN PCB 110-16473j26 Resistor 47K 1/6W±5% CF 26mm R251,253 110-16474j26 Resistor 470K 1/6W±5% CF 26mm R220 110-16622j26 Resistor 6.2K 1/6W ±5% CF 26mm R250,252 Capacitors 129-a104j633 metalized capacitor 0.1U 63V±5%MSTCAP C211 129-a224j633 metalized capacitor 0.22uF 63V±5%MSC...
  • Page 18 Basslink II Powered Subwoofer Part Numbers Description Reference Designators CLASS D AMP 192-091sc4672 transistor 2SC4672(MPT3)ROHM 192-092130376qs SMD transistor 2SA1037K-T146Q/R ROHM Q7,9 192-09215146rs SMD transistor 2SA1514K-T146R ROHM 192-1582n5401 transistor FSC 2N5401 AI-PNP 350V 500mA TO-92 197-03r1s4148s SMD diode RLS4148-TEII ROHM D1,2,3,4,5,5B,6,20 199-15000563s SMD ZENER 5.6V 5%PHILIPS BZX84-C5V6...

  • Page 19: Drawings

    Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 20 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 21 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 22 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 23 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 24 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 25 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 26 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 27 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 28 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 29 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 30 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...

  • Page 31: Ic/Transistor Pinouts

    Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...

  • Page 32: Schematics

    Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 33 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...
  • Page 34 Basslink II Powered Subwoofer Get user manuals: See SafeManuals.com...

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