LG LA408AB User Manual Download

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Please read this manual carefully before operating
your set and retain it for future reference.

LA408AB

OWNER’S MANUAL

4-CH Bridgeable Amplifi er

www.lg.com.mx

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Summary of Contents for LA408AB

Page 1: ...Please read this manual carefully before operating your set and retain it for future reference LA408AB OWNER S MANUAL 4 CH Bridgeable Amplifier www lg com mx ...

Page 2: ...circuits by covering the heat sink or connecting improper loads Do not use the unit on a weak battery as its optimum performance depends on a good power supply For safety reasons keep your car audio unit volume moderate so that you can still hear sounds outside your car Fuse Replacement If the fuse blows check the power connection and replace both the fuses If the fuse blows again after replacemen...

Page 3: ...out need for REMOTE connection Pulse power supply for stable and regulated output power Pulse power supply This unit has a built in power regulator which converts the power supplied by the 12 V DC car battery into high speed pulses using a semiconductor switch These pulses are stepped up by the built in pulse transformer and separated into both positive and negative power supplies before being con...

Page 4: ...ght or hot air from the heater Do not install the unit under the floor carpet where the heat dissipation from the unit will be considerably impaired Mount the unit as illustrated Screw Ring rubber cushion Cautions Before making any connections disconnect the ground terminal of the car battery to avoid short circuits Be sure to use speakers with an adequate power rating If you use small capacity sp...

Page 5: ... amplifier connect the system remote control terminal REM to the power supply Notes on the power supply Connect the 12 V power supply wire only after all the other wires have been connected Be sure to connect the ground wire of the unit securely to a metal point of the car A loose connection may cause a malfunction of the amplifier Be sure to connect the remote control wire of the car audio unit t...

Page 6: ...t Left Right RCA output RCA output 2 channel output Car audio unit Front Left Right RCA output High Level Input Connection 1 Connect the high input cables to the HI IN L R jacks 2 Connect the high input cables and the speaker cables Front speaker Left Front speaker Right Rear speaker Right Rear speaker Left Car audio unit Blue 4 Black 5 Blue 4 Black 5 Black 5 Red 4 Black 5 Red 4 ...

Page 7: ...g 2 Speaker Connections The unit can be set up for stereo 4 channel or 3 channel operation 4 channel speaker system Front speaker Rear speaker Left Left Right Right 3 channel speaker system Front speaker Subwoofer Left Right ...

Page 8: ...no Bridge at 4 Ω 200 W X 2 CH 1 kHz THD 0 1 Output power circuit Class AB Operating voltage 10 5 V 16 V Frequency response 10 50 kHz S N ratio 90 dB THD A Weight 0 05 Channel separation 50 dB Variable input gain control 0 3 V 9 V Hi input 0 6 V 18 V Input impedance 22 kΩ LED Power Protect Protection Short Thermal Offset Yes Dimension W X H X D 304 X 65 X 203 mm ...

Page 9: ...red Turn off the power switch The speaker outputs are shorted Rectify the cause of the short Turn off the power switch Make sure the speaker cord and ground wire are securely connected The unit becomes abnormally hot The sound is interrupted The unit heats up abnormally Use speakers with suitable impedance 2 8 Ω Make sure to place the unit in a well ventilated location The thermal protect is activ...

Page 10: ...Av Sor Juana Inés de la Cruz No 555 Col San Lorenzo Tlalnepantla Estado de México CP 54033 Tel 55 5321 1919 Lada sin costo 01 800 347 1919 LG Electronics México S A de C V ...

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