LG LAC7750 Owner’s Manual

R

LAC7750_GF

P/NO : MFL37340218

ENGLISH

CAR CD/MP3/WMA Receiver

Read the manual carefully before using the unit

LAC7750

2

The lightning flash with the arrowhead symbol, within an equilateral
triangle is intended to alert the user about the presence of uninsulated dangerous
voltage within the product’s enclosure that may be of
sufficient magnitude to constitute a risk of electric shock.

The exclamation point within an equilateral triangle is intended to alert the user to
the presence of important operating and maintenance (servicing) instructions in the
literature accompanying the appliance.

Always operate the vehicle in a safe manner.
Do not become distracted by the vehicle while driving, and always be fully aware of
all driving condition. Do not change settings, or any functions.
Pull over in a safe and legal manner before attempting such operations.

Do not use for many hours at extremely low or high temperature.
(-10~60°C)

To reduce the risk of electric shock, do not remove the cover or back of this
product. There are no user-serviceable parts inside.
Refer servicing to qualified service personnel.

To reduce the risk of fire or electric shock, do not expose this product to dripping or
splashing water, rain, or moisture.

The temperature of unit’s outside can be extremely high, please use the unit after
proper installation in your vehicle.

CAUTION : TO REDUCE THE RISK OF ELECTRIC

SHOCK DO NOT SPLIT COVER(OR BACK) NO USER

SERVICEABLE PARTS INSIDE. REFER SERVICING

TO QUALIFIED SERVICE PERSONNEL.

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

Safety note

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.

3

8 cm

• 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.

Do not stick paper or tape etc. on the surface.

Do not expose the disc to direct sunlight or excessive heat.

This unit cannot play 8cm disc (use 12cm disc only).

• 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.

Periodically wipe the contacts on the back of the control panel with a
cotton swap moistened with alcohol.

Bluetooth®wireless technology is a system which allows radio contact

between electronic devices within a max. range of 10 meters.
Connecting individual devices under Bluetooth

®

wireless technology does
not incur any charges. A mobile phone with Bluetooth®wireless
technology can be operated via the Cascade if the connection was made
via Bluetooth®wireless technology.
“The Bluetooth

®

word mark and logos are owned by the Bluetooth®SIG,
Inc. and any use of such marks by LG Electronics is under license.
Other trademarks and trade names are those of their respective owners.”

Operating condition for using a Bluetooth function

- Close windscreen.

- Turn off the air conditioner/ heater.

- Stop the vehicle or drive at low speed.

- Make the call in a quiet location.

• There may be differences in call quality depending on phone type, road

conditions weather, etc.

• Using the phone while driving may cause unexpected accidents.

• The Bluetooth function may not operate properly with certain types of

Bluetooth phones.

R

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

Audio CDs MP3 files WMA files

WMA

MP3CD

4

Safety note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4

Table of contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Before use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Remote control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9

Basic operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-13

Bluetooth operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13-18

Radio operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

CD/MP3/WMA operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20-21

Aux operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21-22

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

Bluetooth phone compatibility list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table of contents

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.

5

Detaching the control panel

You can detach the control panel when leaving the car.
When detaching or attaching the control panel, be careful not to damage the connectors on
the back of the control panel and on the panel holder.

1. Press the “ ” button to unlock the control panel.

2. Push the control panel to right.

3. Pull the control panel out of the unit.

4. Put the detached control panel into the protective case.

Attachable control panel

1 Attach part A of the control panel to part B of the unit.
2 Attach part C of the control panel to part D of the unit while pushing the control panel to

right.

3 Close the control panel.

Protective Case

4

2

3

Control panel

Before use

A

B

D

C

Caution

• When detaching or attaching the control panel, do not press the display or control buttons.

• The control buttons may not work properly if the control panel is not attached properly. If this

occurs, gently press the control panel.

• 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.

• Do not try to disassemble the control panel.

6

1

[SOURCE]

2 • Skip / Search II/

ii

• Seek/ Tune

• Auto Store [AS]

• Preset Scan [PS]

• MP3 Track +10/-10

UU/uu

• Folder Up/Down

UU/uu

3

Remote Sensor

4

• Volume

• [MUTE]

• Power [PWR]

5 • Extreme Dynamic Sound

System [XDSS]

• Bass Reverb Blaster
[BRB]

6 • Equalizer [EQ]
7 Display [DISP]

8 Release/Eject

9

AUX In [AUX]

10 Preset Station [1~6]
11

Shuffle [SHF]

12 Repeat [RPT]
13 Intro Scan [SCAN]
14 Play/Pause [B/X]
15 [BAND]
16 • [MENU]

• Select [SEL]

17 Bluetooth [B/T]

WMAMP3

WMAMP3

12 4 67

9

15

3

17 14 13 12 11 10

8

16

5

Control panel

1 Power [POWER] / Mute
2 Select [MENU/SEL]
3 Source [SRC]
4 Play / Pause B/X
5 Intro Scan [SCAN]
6 Shuffle [SHF]
7 • MP3 Track +10

• Folder Up

UU

8

• CD Skip / Search

?m m

• Seek / Tune ?m m

9 [BAND]
10 Volume Up / Down

11 Number [#]
12 Repeat [RPT]

13 Number [0 -9]
14 • CD Skip / Search

M M?

• Seek / Tune M M?

15 Display [DISP.]
16

• MP3 Track -10

• Folder Down

uu

WMAMP3

WMAMP3

WMAMP3

WMAMP3

10

12

14

15

16

1

3

8

9

4

5

2

6
7

11

13

Remote control

7

1 Remove the battery holder with a sharp product

like a ball point pen.
2 Install the battery on the battery holder.
3 Install the battery holder back into its original
position.

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.

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.

Bend the claws
according to
the thickness
of the
dashboard

Control panel

Battery Installation

Basic Installation

Installation

A

A

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.

5

4

3

1

2

6

Control panel

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.

Removing the existing receiver unit

ISO-DIN Installation

8

Connection diagram

Before connecting, make sure that the ignition switch is set to OFF, and remove the battery #
terminal to avoid short circuits.

B

AA

BB

CC

Microphone Plug

B 11. Violet : Rear Right +
B 22. Violet/ Black Stripe : Rear Right –
B 33. Gray : Front Right +
B 44. Gray / Black Stripe : Front Right –
B 55. White : Front Left +
B 66. White/Black Stripe : Front Left –
B 77. Green : Rear Left +
B 88. Green/ Black Stripe : Rear Left –

To Speaker

To Vehicle

1

3

5

7

6

4

2

1

2

2

A

PHONE MUTE (ORANGE)

8

A

GROUND(-) (BLACK)

6

A

DIMMER (PINK)

A

TO IGNITION (RED)

A

TO BATTERY(+) (YELLOW)

A

POWER ANTENNA (BLUE)

A

REMOTE ON (BLUE/WHITE)

7

4

5

1

AMPLIFIER
(Optional)

DIMMER SWITCH

IGNITION SWITCH

POWER
Antenna

CONTROL RELAY

8

3

5

7

6

4

8

BATTERY

A

1

2

3

4

5

6

7

8