Infinity BassLinkII free download

File name Infinity-BassLinkII caractsub.pdf

Powered Automotive Subwoofer SERVICE MANUAL BassLink II Infinity Systems, Inc. 250 Crossways Park Dr. Woodbury, New York 11797 Rev0 8/2005 Powered Subwoofer Basslink II - CONTENTS SPECIFICATIONS ...1 PACKAGING...2 CONNECTIONS/APPLICATIONS...3 CONTROLS AND FUNCTIONS...6 BASIC TROUBLESHOOTING...8 DISASSEMBLY PROCEDURE...9 EXPLODED VIEW...10 AMPLIFIER BLOCK DIAGRAM...11 ELECTRICAL PARTS LIST ... 12 P.C.B. DRAWINGS...18 IC/TRANSISTOR PINOUTS... 30 SCHEMATICS...31 Basslink II Specifications Output Power (14.4V supply) Type of Amplifier Frequency response: Maximum input signal: Maximum sensitivity: Input Impedance Idle Current Signal to Noise Crossover Type Crossover Range Bass EQ Phase Control Min Current Draw (Idle) Remote Current Draw Max Current Draw DC Offset Bass Boost Auto Turn-On Operating Voltage Overall Dimensions (L x W x H): Sub Level Control (w/ housing): Sub Level Control (w/o housing): Fuse: 250W RMS 1% THD AB 20Hz ­ 120Hz 4.0V 50mV to 4V Line-level input 1V to 16V High-level input 20K <800mA >100dB (A-weighted ref to full power) Fixed LP @ 12dB per octave Variable 50 ­ 120 Hz 40Hz (-6dB to +3dB) 0 and 180° <800mA <3.5mA 26A <30mV -6dB to +3dB @ 40Hz 2 -10min (Time to turn Off) 10 ­ 16 VDC 15-1/16" x 8-3/4" x 15-5/16" (383mm x 223mm x 389mm) 2-3/16" x 2-5/16" x 7/8" (56mm x 59mm x 23mm) 2-3/16" x 1-5/16" x 3/4" (56mm x 34mm x 20mm) 25A 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. 1 Powered Subwoofer Basslink II 2 Powered Subwoofer Basslink II POWER CONNECTIONS Make Power, Ground and Remote turn-on connections as shown in Figure 5. Observe the following installation tips: · Use #8 AWG wire for the +BATT (+12Vdc) and GND (ground) connections. If needed, use at least a #20 AWG wire for the REM (remote) connection. · If you pass the power or remote wire through the vehicle's firewall or other metal obstruction, it must be insulated with a rubber grommet. If a factory-installed grommet is unavailable, be sure to install a rubber grommet to protect the wires. · 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. Figure 5. Power connections for BassLink II. · Install a fuse holder with a 25A fuse within 18" of the battery + terminal (see Figure 5). · The REM connection requires +5 to +12 V