Harman Kardon HKSUB 12, Service Manual

Page 1: ...harman kardon HKSUB 12 Powered Subwoofer SERVICE MANUAL harman kardon Inc 250 Crossways Park Dr Woodbury New York 11797 Rev1 9 2004...

Page 2: ...C DIAGRAMS 22 HKSUB 12 PACKAGE 25 SPECIFICATIONS Amplifier Power RMS 150 Watts Driver 12 Polymer coated cone woofer Inputs Stereo Line Level dedicated Subwoofer LFE and Speaker Level with gold plated...

Page 3: ...100Hz LFE Low Pass fixed 220 Hz 2dB 3dB ref 100Hz Subsonic filter HPF 22 Hz 2dB 3dB ref 100Hz Limiter YES n a Features LFE Sub Input YES functional BW Limited to 220 Hz Volume pot Taper lin log log fu...

Page 4: ...output or preamp output s of your receiver or amplifier to these inputs If your receiver does not have a separate subwoofer output use a Y adapter not supplied to bridge the receiver s preamp output...

Page 5: ...r Power Switch is turned off the LED goes dark no matter which position the Music Sense On Off Switch is in High Cut Low Pass Filter Switch Placing this switch in the ON position acti vates circuitry...

Page 6: ...l In Connect the left and right Speaker Level Output terminals on the HKSUB 12 subwoofer that are marked High Level Out to the corresponding terminals on the back of your front left and right speakers...

Page 7: ...outputs You will need to purchase a second 15 foot interconnect cable If your receiver is equipped with line level out puts but does not have a separate subwoofer output use a Y adapter not supplied...

Page 8: ...n your receiver or amplifier Connect each speaker to the corresponding speaker terminals on your receiver or amplifier Make sure you ve configured your surround sound processor for Subwoofer On When a...

Page 9: ...tter of selecting the correct speaker size on the receiver to match the frequency range of your speakers In the case of the HKSUB 12 subwoofer it is important to make sure that the Subwoofer channel i...

Page 10: ...est frequency they are capable of reproducing and set this control slightly above that frequency For example if the specified frequency response for your main speakers is 80Hz 20kHz then set the Cross...

Page 11: ...inal on the speaker to the terminal on the receiver amplifier Check that the HKSUB 12 is plugged into an active electrical outlet and is switched on using the Master Power Switch Slowly turn the Subwo...

Page 12: ...ier screws 10 TO SERVICE THE HKSUB 12 SUBWOOFER 1 Remove the grille 2 Extract 6 rubber grille retainers this can be accomplished by carefully pulling them out of the cavities with long nosed pliers or...

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Page 15: ...eaker cables to Speaker Level input terminal IN on UUT Cables should be connected to an integrated amplifier fed by the signal generator 7 Turn on generator and adjust so that speaker level input at t...

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Page 18: ...K 1 6W 5 CF R102 1 110 16223j26 Resistor 22K 1 6W 5 CF R247 255 256 316 4 110 16303j26 Resistor 30K 1 6W 5 CF R223 224 2 110 16333j26 Resistor 33K 1 6W 5 CF R310 1 110 16393j26 Resistor 39K 1 6W 5 CF...

Page 19: ...c Cap 220U 16V 20 C118 233 2 135 3476m16 Electrolytic Cap 47U 16V 20 C318 1 132 103kb00 Mylar Cap 0 01uF 200V 10 C500 1 1385478m63 Electrolytic Cap 4700u 63v 20 C501 502 2 Semiconductors 192027c1815gr...

Page 20: ...t 2 723d125 TO PRE PCB 1 GASKET 170 5 1t 723i125 TO LINK WIRE 1 GASKET150 15 1t UL 723j125 TO SPK WIRE GASKET 225 15 1t UL 860a125 TO SPEAKER Power Amp Module PW150D 1010DS150 1 Resistors 118 12061001...

Page 21: ...IRF9640 IR P CH TO220 1 192233irf640 Q11 FET IRF640 IR N CH TO 220 1 Miscellaneous 1759f40hr2 Wafer 40PIN PITCH 2 54mm HR2 40 12214121m4191 L1 Ferrite core LS A6206 ST EFD 30 1 12214350j4180 L2 Induc...

Page 22: ...OP AMP U203 IC1 OPAMP QUAD 14P DIL TL074 U201 202 301 TRANS PNP 2N5401 TO 92 Q503 TRANS PNP 2SA1015GR Q101 107 112 TRANS NPN 2N5551 Q114 115 TRANS NPN 2SC1815GR 2SC2235 Q108 109 111 113 201 206 208 30...

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Page 26: ...Packaging HKSUB 12 OWNER S MANUAL ai5271 CABLE sal5044 PACKING FOAM wp5375 PACKING FOAM wp5375 WARRANTY CARD 405 000 00227 OUTER CARTON wb6390 25...