LG LAC3700R CAR CD/MP3/WMA Receiver Owner’s Manual

  • Post last modified:April 30, 2023
  • Post category:LG

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LG LAC3700 CAR CD/MP3/WMA Receiver Owner’s Manual

LG LAC3700R featured img

MODEL : LAC3700/ LAC3705/ LAC3710/ LAC3715

CAR CD/MP3/WMA Receiver
Read the manual carefully before using the unit.

Safety noteLG LAC3700R img 1

CAUTION : This product uses a Laser System.
To ensure proper use of this product, please read this owner’s manual carefully and retain it for future reference. Should the unit require maintenance, contact an authorized service center. Performing controls, adjustments, or carrying out procedures other than those specified herein may result in hazardous radiation exposure.
To prevent direct exposure to laser beam, do not try to open the enclosure. Visible laser radiation when open. DO NOT STARE INTO BEAM. LG LAC3700R img 2

  • A defective or soiled disc inserted into unit can cause sound to drop out during playback.
  • Handle the disc by holding its inner and outer edges.
  • Do not touch the surface of the unlabeled side of the disc. LG LAC3700R img 3Do not stick paper or tape etc. on the surface. LG LAC3700R img 4Do not expose the disc to direct sunlight or excessive heat. LG LAC3700R img 5This unit cannot play 8cm disc (use 12cm disc only). LG LAC3700R img 6
  • Clean the disc before playback. Wipe the disc from the center outward with a cleaning cloth.
  • Never use solvents such as benzine or alcohol to clean the disc. LG LAC3700R img 7Periodically wipe the contacts on the back of the control panel with a cotton swap moistened with alcohol. LG LAC3700R img 8

A section whose title has one of the following symbols is applicable only to the disc represented by the symbol. LG LAC3700R img 9

MP3/WMA Disc compatibility with this unit is limited as follows:

  1. Sampling Frequency / 8 – 48kHz (MP3) 22.05 – 48kHz (WMA)
  2. Bit rate / within 8 – 320kbps (include VBR) (MP3) 32 -320kbps (WMA)
  3. CD-R/CD-RW file system should be “ISO 9660”
  4. If you record MP3/WMA files using software which cannot create a FILE SYSTEM, for example “Direct-CD” etc., it will not be possible to playback MP3/WMA files. We recommend that you use “Easy-CD Creator” which creates an ISO9660 file system.

Customers should also note that permission is required in order to download MP3/WMA files and music from the Internet. Our company has no right to grant such permission. Permission should always be sought from the copyright owner.

Disposal of your old appliance

  1. When this crossed-out wheeled bin symbol is attached to a product, it means the product is covered by the European Directive 2002/96/EC.
  2. All electrical and electronic products should be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or the local authorities.
  3. The correct disposal of your old appliance will help prevent potential negative consequences for the environment and human health.
  4. For more detailed information about disposal of your old appliance, please contact your city office, waste disposal service or the shop where you purchased the product.
    This product is manufactured to comply with Directive 2005/83/EEC(ANNEX I , 3.2.9), 72/245/EEC, and 2006/95/EC.

Before use

Detaching the control panel
The control panel of this unit can be detached to prevent theft.

  1. Press the RELEASE Button to open the control panel.
  2. Hold the right part of the control panel.
  3. Pull out the control panel.
  4. Place the control panel in the supplied protective case. LG LAC3700R img 10

Attachable control panel

  1. Align the left side of the panel with the stopper.
  2. Push the right side or panel into the unit until it clicks. LG LAC3700R img 11

Caution

  • The control buttons may not work properly if the control panel is not attached properly. If this occurs, gently press the display.
  • Do not leave the control panel in any area exposed to high temperatures or direct sunlight.
  • Do not drop the control panel or otherwise subject it to strong impact.
  • Do not allow such volatile agents as benzine, thinner, or insecticides to come into contact with the surface of the control panel.

Control panel

LG LAC3700R img 12

Remote control (optional)  LG LAC3700R img 13

Battery Installation

  1. Pull out the battery holder with a sharp product like a ball point pen.
  2. Put the battery with and correctly on the battery holder.
  3. Push the battery holder back into its original position. LG LAC3700R img 14

Note
– Use only one CR2025 (3V) lithium battery.
– Remove the battery if the remote control is not used for a long period of time.
– Do not leave the product in a hot or humid place.
– Do not handle the battery with metallic tools.
– Do not store the battery with metallic materials.

Installation

Basic Installation: Before installing, make sure that the ignition-switch is set to OFF and remove the terminal of the car battery to avoid short-circuiting.

  1. Remove the existing receiver unit.
  2. Make the necessary connections.
  3. Install the installation sleeve.
  4. Install the unit into the installation sleeve. LG LAC3700R img 15

Removing the existing receiver unit: If there is already an installation sleeve for the receiver unit
in the dashboard, it must be removed.

  1. Remove the rear support from the unit.
  2. Remove the control panel and trim ring from the unit.
  3. Insert the lever A into the hole on one side of the unit.
    Perform the same operation on the other side and pull the unit out from the mounting sleeve.LG LAC3700R img 16

ISO-DIN Installation:

  1. Slide the unit into the ISO-DIN frame.
  2. Fit screws removed from the old unit.
  3. Slide the unit and frame into the dash opening.
  4. Install the dash panel or adapter plate.
  5. Install the trim ring to the unit.
  6. Install the control panel to the unit. LG LAC3700R img 17

Connection diagram

Before connecting, make sure that the ignition switch is set to OFF, and remove the battery (-) terminal to avoid short circuits. LG LAC3700R img 18A – From antenna
B – To the wiring of the vehicle colors of leads.

  • BLACK: This lead is for the ground connection.
  • ORANGE: This lead is for the phone line connection.
  • PINK: This lead is for the dimmer line connection.
  • RED: This lead is for connection to the power supply terminal when the ignition switch is set to ACC.
  • YELLOW: This lead is for connection to the battery (back-up) terminal from which power is always supplied.
  • BLUE: This lead is for the power antenna connection.
  • BLUE/WHITE: This lead is for the remote amplifier on connection.

C – Speaker Connections LG LAC3700R img 19Connecting to Auxiliary Equipment (Optional)
Connect the AUDIO OUTPUT jack of this unit to the AUDIO INPUT jack of the Auxiliary Equipment. LG LAC3700R img 20

Basic operation

Turning the unit on:
Press MUTE/PWR (POWER on the remote control) or any other button.
Note: When you insert the CD in the CD slot, the unit turns on.

Turning the unit off:
Press and hold MUTE/PWR (POWER on the remote control).

Selecting a source:
Press SRC S repeatedly to select a source.
The indicator lights up in the following order. TUNER → CD → TUNER…
Note: You cannot select a source if a CD is not inserted.

Adjusting the volume:
Rotate MUTE/PWR (Press VOLUME on the remote control) to adjust the sound level.
Note: When you turn the unit off, the current volume level is automatically memorized. Whenever
you turn the unit back on, it will operate at the memorized volume level.

Mute

  1. Press MUTE/PWR (POWER on the remote control) to cut the sound.
  2. To cancel it, press again.

Checking the clock
You can see the clock pressing DISP (DISP. on the remote control).
Note:
• If the unit is receiving RDS broadcasting with CT (Clock Time) information, the clock will be shown automatically in the display window .
• Unless, “NO CLOCK” appears in the display window.

Changing the general settings

  1. Press and hold SEL [S] (SEL on remote control) so that one of menu items appears.
  2. Press SEL [S] (SEL on remote control) to scroll between menus.
    TA ALARM – PI SOUND – DEMO OFF – BEEP 2ND
  3. Rotate MUTE/PWR clockwise or un clockwise to select one of the settings specified below.
    (Press VOLUME on the remote control.)
  4. Press and hold SEL [S] (SEL on remote control) to finish the setting.
  • TA(Traffic Announcement) ALARM / SEEK
    TA ALARM :
    When a newly tuned station has no TP information for 5 seconds, a double beep sound is output.
    TA SEEK :
    When the newly tuned station does not receive TP information for 5 seconds, the receiver retunes to the next station which has the same PI as the last station, but has the TP information.
  • PI (Programme Identification) SOUND / MUTE
    PI SOUND :
    If the sound of a station with different PI is heard intermittently, the receiver mutes the sound after 1 second.
    PI MUTE :
    If the sound of a station with different PI is heard intermittently, the receiver mutes the sound right now.
  • DEMO ON / OFF
    You can change the initial indication on the display to information name (function name, EQ name, etc…) while listen to a source.
    DEMO ON
    Displays information name while listen to source.
    DEMO OFF
    Cancels the function.
  • BEEP 2ND / ALL
    Sets the beep sound every time a button is pressed.
    BEEP 2ND
    The beep is generated when a key is long pressed. (1 sec)
    BEEP ALL
    The beep is generated when any key is pressed.

RDS AF/REG FUNCTION
To switch on or off the AF function (Network-Tracking), shortly press the AF(REG) button. To switch on or off the REG function (Regional Network Tracking), press the AF(REG) button longer than 2 seconds.

  • AF(Alternative frequency) ON / OFF
    When the reception quality worsens, the tuner automatically changes to another station in the network, broadcasting a better reception quality, using the PI and AF codes.
    AF ON (“AF” appears on display window) :
    Wherever you drive, you can continue to listen to the same program without interruptions.
    AF OFF (“AF” disappears on display window):
    Only station name will be displayed. In case of poor reception no alternative station can be used.
  • REG (Region) ON / OFF
    REG ON :
    The unit switches to another station, within the same network, broadcasting the same program when the receiving signals from the current station become weak.
    REG OFF :
    The unit switches to another station, within the same network when the receiving signals from the current station become weak. (This mode, the program may differ from the one currently received.)

Using the EQ (Equalizer)
Press EQ repeatedly. The indicator lights up in the following order.
POP – CLASSIC – ROCK – JAZZ – VOCAL – SALSA – SAMBA – USER1 – USER2 – OFF

  • POP : Optimized for R&B, Soul and Country music.
  • CLASSIC : Optimized for orchestral music.
  • ROCK : Optimized for Hard Rock and Heavy Metal music.
  • JAZZ : Sweet sound with soft feeling.
  • VOCAL : Powerful realism with strong sound quality.
  • SALSA : Reproduces salsa music acoustics.
  • SAMBA : Reproduces samba music acoustics.
  • USER1 : Use the menu to set the sound level you want.
  • USER2 : Use the menu to set the sound level you want.
    You can adjust each sound level to your preference. Once you select a USER mode and then make an adjustment, it automatically stored for the currently selected USER mode.

Adjusting the sound level

  1. Press SEL [S] (SEL on the remote control) repeatedly to select the mode you want to adjust from volume, bass, middle, treble, balance and fader.
    The indicator lights up in the following order.
    VOL – BAS – MID – TRB – BAL – FAD
  2. Rotate the MUTE/PWR (Press VOLUME on the remote control) to adjust the sound
    quality. LG LAC3700R img 21Note:
    When EQ and XDSS+ is set to “Off”, you can adjust the sound level (BAS, MID, TRB) settings.

XDSS+ (Extreme Dynamic Sound System)

  1. Press XDSS
    XDSS+ : Improves the treble, bass sound.
  2. To cancel, press XDSS again.

Radio operation

Listening to radio stations

  1. Press SRC S to select the tuner.
  2. Press the BAND repeatedly to select a band.
    The indicator lights up in the following order. FM1 – FM2 – FM3 – MW(AM)
  3. LG LAC3700R img 22

Storing and recalling broadcast frequencies

You can easily store up to 6 broadcast frequencies for later recall at the touch of a button.

  1. Press BAND to select desired band you want to store.
  2. Select the desired frequency.
  3. Press one of preset buttons 1-6 and hold until the beep sound.
    The number you have pressed will flash in the preset number indicator and then remain lit. The selected radio station frequency has been stored in memory.
  4. Repeat steps 1-3 to preset other stations.
    The next time, you press the same preset button, the radio station frequency is recalled from the memory.

Note:
– Up to 18 FM stations, 6 for each of three FM bands and 6 MW(AM) stations can be stored in the memory.
– When a station is stored on the preset numbers on which another station of the same band has already been preset, the previously preset station is automatically erased.

Auto search memory
This function lets you automatically store the 6 strongest broadcast frequencies.

  1. Press AS/PS until “A/S” appears.
    The six strongest broadcast frequencies will be stored under preset button 1-6 in the order of their signal strength.
  2. To cancel, press AS/PS.

To scan the preset stations
Press AS/PS. Each preset station appears. To cancel, press AS/PS.

To tune in the preset stations
Press BAND to select the desired band and press the desired preset button 1-6 (preset button 1-6 on the remote control).
The preset station of the preset button 1-6 is displayed and the preset station is received.

RDS operation

RDS Display options
In normal RDS operation the display will indicate the station name. Pressing DISP enables you to cycle through the various data types in the following sequence:
CT – FREQUENCY – PTY – RT – PS

  • CT (Time controlled by the channel)
  • PTY (Programme type recognition)
  • RT (Radio text recognition)
  • PS (Programme Service name)
  • PI (Programme Identification)
  • AF (Alternative Frequencies for the actual programme)
  • TP (Traffic programme Identification)
  • TA (Traffic Announcement Identification)

PTY (Programme Type) function
To select a certain program type out of the reception band, following procedure can be operated.

  1. Press BAND to select in FM mode.
  2. After, pressing PTY button one by one activated as selecting each mode.
    music group – speech group – search off
  3. Press one of the PRESET (1-6) button shortly. Each time this button is pressed, the display mode changes as follow.
    No         Music group No         Speech group
    1.            Pop M, Rock M

    2.            Easy M, Light M.

    3.            Classics, Other M

    4.            Jazz, Country

    5.            Nation M, Oldies

    6.            Folk M

    1.            News, Affairs, Info

    2.            Sport, Educate, Drama

    3.            Culture, Science, Varied

    4.            Weather, Finance, Children

    5.            Social, Religion, Phone In

    6.            Travel, Leisure, Document

    TA (Traffic Announcement) function
    TA reception allows the unit to switch temporarily to a Traffic Announcement from the current source (another FM station, CD, or other connected components).
    To switch the TA (Traffic Announcement) function on or off, press TA.

  • TA ON
    Traffic programs and announcements can be automatically received using TP/TA features.
  • TA OFF
    Traffic programs and announcements can not be received using TP/TA features.

CD/MP3/WMA operation

Playing an Audio CD and MP3/WMA Disc
The unit can play MP3/WMA formatted recordings on CD-ROM, CD-R or CD-RW discs. Before playing MP3/WMA recordings, read the notes on MP3/WMA Recordings. If you change the source, CD play also stops (without ejecting the CD). Next time you select “CD” as the source, CD play starts from where playback has been stopped previously.
– To directly play a file, press NUMBER (#) on remote control and then press the track number with 0-9 number.

Pause LG LAC3700R img 23Repeat LG LAC3700R img 24Shuffle LG LAC3700R img 25CD TEXT / ID3 TAG
When playing a disc containing information, you can see the CD TEXT/ID3 TAG information. In CD TEXT, information about the disc (disc title, performer and track title) is recorded. In a ID3 TAG, information about the file (Album title/ Song title/ Performer name) is recorded. In a WMA Content, information about the file (Song title/ Performer name) is recorded. If there is no information, “NO TEXT” will be shown in the display window.
Press DISP (DISP. on the remote control) repeatedly during MP3/WMA/CD TEXT file playback.

To go to a particular quickly (+10/-10 steps)LG LAC3700R img 26(If there is no folder or one folder.)
Press F+ to skip to the next 10 track, and press F- to skip to the previous 10 track.

To skip to the next or previous folder LG LAC3700R img 26
(If there are more than two folders.)
Press F+ to skip to the next folder, and press F- to skip to the previous folder.

Note
Time display appearing on the display part when playing VBR file may vary and there may be some difference from actual time (both progress time and VBR are displayed at the same time when playing file).

Troubleshooting

Symptom                                    Cause

Correction

Power doesn’t turn on.

The unit doesn’t operate.

• Leads and connectors are not properly connected.  The fuse is blown.

• Noise and other factors are causing the built-in microprocessor to operate incorrectly.

• Confirm once more that all connections are correct.

• Rectify the problem that caused the fuse to blow, and then replace it. Be very sure to install the correct fuse with the same rate.

• Turn the unit off and then on.

Playback is not possible. • The disc is dirty.

• The loaded disc is of a type this unit cannot play.

• Clean disc.

• Check what type the disc.

No sound is heard. The volume

level will not rise.

 Cables are not connected correctly.  Connect the cables correctly.
There’s no sound.  The volume level is low.  Adjust the volume.
There’s audio skipping.  This unit is not firmly secured.  Secure this unit firmly.
The unit does not operate correctly even when the appropriate remote control buttons are pressed.  Battery power is low.  Load new battery.

Specifications

MP3/WMA Disc compatibility with this unit is limited as follows:

  1.  Sampling Frequency / 8 – 48kHz (MP3) 22.05 – 48kHz (WMA)
  2. Bit rate / within 8 – 320kbps (include VBR) (MP3) 32 -320kbps (WMA)
  3. CD-R/CD-RW file system should be “ISO 9660”
  4. If you record MP3/WMA files using software which cannot create a FILE SYSTEM, for example “Direct-CD” etc., it will not be possible to playback MP3/WMA files. We recommend that you use “Easy-CD Creator” which creates an ISO9660 file system.

Customers should also note that permission is required in order to download MP3/WMA files and music from the Internet.
Our company has no right to grant such permission.
Permission should always be sought from the copyright owner.

GENERAL
Output Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50W x 4CH (Max.)
Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DC 12V
Speaker impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4Ω
Ground System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Negative
Dimensions (W x H x D) . . . . . . . . . . . . . . . . . . . . . .181.5 x 50 x 200 mm (Without Control Panel)
Net Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5 kg
CD SECTION
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Hz-20 kHz
S/N Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80 dB
Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.12%
Channel Separation (1kHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55 dB
RADIO SECTION
FM
Frequency Range . . . . . . . . . . . . . . . . . . . . . .87.5-107.9, 87.5-108, 65-74 or 87.5-108 MHz
S/N Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53 dB
Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.7%
Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 dBμV
AM (MW)
Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .520-1720 or 522-1620 kHz
S/N Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 dB
Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.0%
Usable Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 dBμV

Designs and specifications are subject to change without notice.

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