LAC-UA550 - Hi-Fi System LG - Free user manual and instructions

Product Type	Mini Hi-Fi System
Brand	LG
Model	LAC-UA550
Dimensions (W x H x D)	200 x 300 x 300 mm (approx.)
Weight	5.0 kg (approx.)
Power Supply	AC 110-240 V, 50/60 Hz
Power Consumption	100 W (approx.)
Speaker Output	2 x 25 W RMS
Playback Media	CD, CD-R/RW, USB, Bluetooth
Tuner	FM/AM
Bluetooth Version	4.0 (approx.)
USB Port	Yes, front panel USB 2.0
Audio Formats Supported	MP3, WMA, CD Audio
EQ Modes	Pop, Classic, Rock, Jazz, Bass Boost
Remote Control	Yes, included
Display	LCD screen
Clock Function	Yes, with timer alarm
Headphone Jack	Yes, 3.5 mm
Cleaning	Wipe with a dry soft cloth; avoid liquids
Safety	Place on a flat, stable surface; keep away from water and heat sources
Spare Parts & Repairability	Contact LG service center for genuine parts; user-replaceable fuse
General Information	Designed for home audio entertainment; user manual provides detailed instructions

Frequently Asked Questions - LAC-UA550 LG

How do I connect my phone via Bluetooth?

Press the Bluetooth button on the remote or main unit until PAIRING appears on the display. On your phone, enable Bluetooth and select LAC-UA550 from the list.

Can I play music from a USB drive?

Yes, insert a USB drive (FAT32 format) with MP3/WMA files into the USB port on the front panel. Press USB to select the source.

How do I set the clock?

Press and hold the CLOCK button on the remote. Use the TUNING +/- buttons to set hour and minute, then press CLOCK again to confirm.

Why is there no sound from the speakers?

Check that the speakers are properly connected to the L and R terminals. Ensure the volume is turned up and the system is not on MUTE. Also verify the input source is selected correctly.

How do I clean the CD lens?

Use a CD lens cleaner disc available at electronics stores. Do not use liquids or cotton swabs directly on the lens.

Can I connect an external audio device?

Yes, use the AUX IN jack (3.5 mm) on the front panel with a suitable audio cable.

How do I reset the system to factory settings?

Unplug the power cord for 30 seconds and plug it back in. Alternatively, press and hold the POWER button for 5 seconds while the unit is on.

What is the maximum USB storage capacity?

The system supports USB drives up to 32 GB formatted in FAT32.

How do I improve FM radio reception?

Extend the FM antenna wire fully and reposition it for best signal. Avoid placing the system near metal objects or electronic interference.

Where can I find replacement speakers?

Contact LG Customer Support or an authorized service center. Use only LG original speakers to ensure compatibility and performance.

USER MANUAL LAC-UA550 LG

Car CD/MP3/WMA Receiver

OWNER'S MANUAL

MODEL : LAC-UA550 / LAC-UA551

MP3 CD-R/RW

Please read this instruction booklet carefully and completely before connecting, operating or adjusting this product.

Internet address ; http://ua.ige.com

Customer Information Center LG ; (380-44) 490-7777, 8-800-303-0000

Table of Contents

INTRODUCTION

Table of Contents 2

Safety Precautions 3

Before Use....4-6

Front Panel....7

Remote Control....8

PREPARATION

Installation 9

Connections 10-11

OPERATION

Basic Operation 12-13

Turning the unit on....12

Turning the unit off....12

Selecting a source 12

Adjusting the volume 12

Setting the clock 12

Checking the clock....12

SOUND Adjustment....13

Radio Operation 14

Listening to radio stations 14

Auto Search Memory 14

Storing and recalling broadcast frequencies....14

Operation with Audio CD, MP3/WMA Disc and CD changer. 15-16

Playing an Audio CD and MP3/WMA Disc 15

Playing a CD changer (OPTIONAL) 15

REFERENCE

Troubleshooting 17

Specifications

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.

Safety Precautions

CAUTION

RISK OF ELECTRIC SHOCK DO NOT OPEN

Warning: 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.

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

Warning: Due to high temperature outside of the unit, please use the unit only installed in a car.

CAUTION:

This unit employs a Laser System.

To ensure proper use of this product, please read this owner's manual carefully and retain for future reference.

Should the unit require maintenance, contact an authorized service location (see service procedure).

Use of controls, adjustments, or the performance of procedures other than those specified herein may result in hazardous radiation exposure.

To prevent direct exposure to the laser beam, do not open the enclosure. Visible laser radiation when open. DO NOT STARE INTO BEAM.

Caution: Protect this product from moisture.

Caution: If the battery is disconnected or discharged, the preset memory will be erased and must be reprogrammed.

Before Use

To ensure proper use of this product, please read this owner's manual carefully and retain for future reference.

Symbols Used in this Manual

The lightning flash symbol alerts you to the presence of dangerous voltage within the product enclosure that may constitute a risk of electric shock.

Indicates hazards likely to cause harm to the unit itself or other material damage.

NOTE

Indicates special notes and operating features.

TIP

Indicates tips and hints for making the task easier.

Notes on Discs

Handling Discs

Do not touch the playback side of the disc. Hold the disc by the edges so that fingerprints do not get on the surface. Never stick paper or tape on the disc.

Storing Discs

After playing, store the disc in its case. Do not expose the disc to direct sunlight or sources of heat and never leave it in a parked car exposed to direct sunlight.

Cleaning Discs

Fingerprints and dust on the disc can cause poor picture quality and sound distortion. Before playing, clean the disc with a clean cloth. Wipe the disc from the center out.

Do not use strong solvents such as alcohol, benzine, thinner, commercially available cleaners, or anti-static spray intended for older vinyl records.

This unit cannot be operated with 8cm disc (use 12cm discs only).

Before Use

Use and care of the remote control

Installing the battery

Pull out the tray on the back of the remote control with a pencil or ball point pen and insert the battery with the plus (+) minus (-) poles pointing in the proper direction.

Using the remote control

Point the remote control in the direction of the front panel to operate.

NOTES

• The remote control may not function properly in direct sunlight.
- Do not store the remote control in high temperatures or sunlight.
- Do not let the remote control fall onto the floor, where it may become jammed under the brake or accelerator pedal.

Handling the Unit

• This unit is designed to be operated on a 12 volt DC negative ground electrical system only.
• When replacing the fuse, be sure to use fuseone with an identically rated amperage. Use of a fuse with a higher amperage may cause serious damage to the unit.
• Periodically wipe the contacts on the back of the front panel with a cotton swap moistened with alcohol.

NOTES

• 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 recharge, disassemble, heat or dispose of the battery in fire.
- Do not handle the battery with metallic tools.
- Do not store the battery with metallic materials.
- In the event of battery leakage, wipe the remote control completely clean and install a new battery.

Before Use

Protecting your unit from theft

The front panel can be detached from the main body and stored in the protective case provided to discourage theft.

1. Press RELEASE (▲) to open the front panel.

1. Push the front panel to the right.
2. Pull the front panel.

1. Put the front panel into the protective case provided for safe keeping.

Attaching the front panel

1. Place A the front panel to B on the main unit
2. Join Ⓞ the front panel to ⏻ on the main unit by pushing it to the right.
3. Close the front panel
4. When detaching or attaching the front panel, do not press the display or control buttons.
5. The control buttons may not work if the front panel is not attached properly. If this occurs, gently press the front panel.
6. Do not leave the front panel in any area exposed to high temperatures or direct sunlight.
7. Do not drop the front panel or otherwise subject it to severe impacts.
8. Do not allow volatile agents such as benzine, thinner, or insecticides to come into contact with the surface of the front panel.
9. Do not try to disassemble the front panel.

NOTES

Front Panel

1 • CD SKIP(◀◀/▶▶) button • SEEK (-/+) button

2 PWR button

3 VOLUME KNOB

4 SELECTION (SEL.) button

5 DISPLAY WINDOW

6 REMOTE SENSOR

7 FUNCTION (FUNC.) button

• TUNE (-/+)button • CD SEARCH (◀◀/▶▶) button

RELEASE (▲) button

10 MUTE(呎) button

11 EQUALIZER/XDSS (EQ/XDSS) button

12 AUTO STORE/PRESET SCAN (AS/PS) button

13 DISPLAY (DISP) button

14 MP3/WMA TRACK -/+10 (D-/+ ) button

15 SHUFFLE (SHF) button

16 REPEAT (RPT) button

17 INTRO SCAN (SCAN) button

16 CD PLAY/PAUSE (▶/II) button

19 BAND button

14, 15, 16, 17, 18 Preset Station buttons. (1-6)

Remote Control

POWER/MUTE (OK)

- Switches the unit ON

and OFF.

- Press to mute the

sound from the

speaker.

6 2 FUNCTION (FUNC.) button

Selects a function

3 • 0-9 number buttons

- Preset Station buttons. (1-6)

• CD PLAY/PAUSE (▶/II)

- Starts playback.

- Pauses playback temporarily.

• SCAN

- Plays the first 10 seconds of all tracks.

- REPEAT (RPT)

- Plays tracks repeatedly.

• SHF

- Plays tracks in random order.

- SKIP/SEARCH (◀◀◀◀ /▶▶ ▶▶)

- Backward or forward

search playback

- Go to next track.

Returns to the beginning of the

current track or goes to the

previous track

DISC SELECTOR (D-/+) button

(Optional)

4·BAND

Selects three FM and MW (AM) bands.

B·SEL

- Enters the audio settings.

• NUMBER (#)

6 VOLUME (✓ / ▲)

Adjusts the volume level.

7 • DISPLAY (DISP.)

- Changes the display.

• CLOCK (CLK)

- Clock display.

Installation

Basic Installation

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

1. Remove the existing receiver unit.
2. Make the necessary connections.
3. Install the mounting sleeve.
4. Install the unit in to the mounting sleeve.

Removing existing receiver unit

If there already is a mounting sleeve for the receiver unit in the dashboard, it must be removed.

When removing the unit from the mounting sleeve

If you need to remove the unit from the mounting sleeve, proceed as follows.

1. Remove the rear support from the unit.
2. Remove the front panel and trim ring from the unit.
3. Insert the lever Ⓐ 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.

ISO-DIN Installation

1. Slide the unit into ISO-DIN frame.
2. Install screws removed from old unit.
3. Slide the unit and frame into the dash opening.
4. Mount the dash panel or adapter plate.
5. Mount the trim ring onto the unit.
6. Install the faceplate by sliding the right edge into position and then pushing the left edge closed.

PREPARATION

Connections

Connecting to the Car

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

Connections

Connecting to the Car

A From the antenna

B To the wiring of vehicle leads Colors

1 BLACK : This lead is for the Ground connection.

2 ORANGE : This lead is for the phone line connection.

3 PINK : This lead is for the Dimmer line connection.

4 RED : This lead is for connection to the power supply terminal when the ignition switch is set to ACC.

5 YELLOW : This lead is for connection to the Batter (back-up) terminal from which power is always supplied.

6 BLUE : This lead is for the power antenna connection.

7 BLUE/WHITE STRIPE : This lead is for the remote amplifier on connection.

C Connect the CD changer

- Your car receiver works as control unit for a CD changer which you can buy, if not yet done, later.

- The suitable cord shown on the scheme will be provided together with the CD changer.

DSpeaker Connections

Connecting to Auxiliary Equipment (OPTIONAL)

- Connect the AUDIO OUTPUT connector of this unit to the AUDIO INPUT connector of Auxiliary Equipment.

Basic Operation

Turning the unit on

Press PWR or any other button on the front panel or

POWER/MUTE ( × ) on the remote control to turn the unit on.

Turning the unit off

- Press PWR on the front panel to turn the unit off.

- Press POWER/MUTE (吋) on the remote control for more than 1.2 seconds to turn the unit off.

Selecting a source

You can select a source you want to listen to.

Press FUNC. to select a source.

Press FUNC, repeatedly to switch between the following sources: Tuner → CD → CD Changer (optional) → Tuner...

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.

Adjusting the volume

Use VOLUME to adjust the sound level.

Rotate the VOLUME KNOB on the front panel to increase or decrease the volume.

Press VOLUME (♡/♡) on the remote control to increase or decrease the volume.

Setting the clock

1. Press DISP or CLK and press DISP for more than 1 second. (Clock indicator will be displayed for 5 seconds. Adjust the clock within 5 seconds.)
2. Press ▶ on the front panel to adjust the hour.
3. Press ◀◀ on the front panel to adjust the minute.
4. Press DISP or CLK.

Checking the clock

You can see the clock pressing DISP or CLK.

Basic Operation

SOUND Adjustment

Using the EQ (Equalizer)

The equalizer lets you adjust the equalization to match car interior acoustic characteristics as desired.

There are 5 stored equalizer curves which you can easily recall at any time.

Here is a list of the equalizer curves:

• EQ POP : Reproduces pop music acoustics.

• EQ CLASSIC : Reproduces orchestral music acoustics.

• EQ ROCK : Reproduces rock music acoustics.

• EQ JAZZ : Reproduces jazz music acoustics.

• EQ VOCAL: Reproduces vocal music acoustics.

1. Press EQ/XDSS on the front panel to select the equalizer.

2. Press EQ/XDSS repeatedly to choose between the following Equalizer settings.

POP → CLASSIC → ROCK → JAZZ → VOCAL

→ FLAT (NO display) → POP....

MUTE

1. Press MUTE( × ) [POWER/MUTE ( × )] to cut the sound.

2. To cancel it press MUTE(呎) [POWER/MUTE (呎)] again.

SELECTION (SEL) Button

1. Press the SELECTION (SEL.) button repeatedly to select the mode you want to adjust from volume, bass, treble, balance and fader. The mode indicator lights up in the following order.

→ VOL → BAS → TRB → BAL → FAD

1. Turn the CONTROL UP/DOWN left or right (or press VOLUME (✓/✗) on the remote control) to adjust the sound quality..

	Turn right	Turn left
VOL	Increase the volume level.	Decrease the volume level.
BAS	Increase the bass level.	Decrease the bass level.
TRB	Increase the Treble level.	Decrease the Treble level.
BAL	Decrease the level of the left speaker(s).	Decrease the level of the right speaker(s).
FAD	Decrease the level of the front speaker(s).	Decrease the level of the rear speaker(s).

NOTE

The unit cannot adjust the bass and treble in the EQ on mode.

XDSS (Extreme Dynamic Sound System)

Press and hold EQ/XDSS button to reinforce treble, bass and surround effect.

Radio Operation

Listening to radio stations

1. Press the POWER/MUTE (OK) [PWR on the front panel] button to turn the unit on.
2. When you select a source the unit is turned on.
3. Press the FUNC. button to select the tuner.
4. Press the BAND button to select a band.

- Press the BAND button until the desired band is displayed, FM1, FM2, FM3, MW(AM).

1. To perform seek tuning, press the SEEK(-/+) button on the front panel or ◀◀ ◀◀ / ▶▶ ▶▶ on the remote control with quick presses.

2. The tuner will scan the frequencies until a broadcast with strong enough reception is found.

3. You can cancel seek tuning by pressing the SEEK(-/+) button or ◀◀ ◀◀ / ▶▶ ▶▶ with quick presses.

4. To perform manual tuning, press the TUNE(-/+ ) button with quick presses.

- The frequencies move up or down step by step.

NOTE

- When the selected frequency is being broadcast in stereo, the “((•)))” indicator will light.

Auto Search Memory

This function lets you automatically store the six strongest broadcast frequencies.

1. Press the FUNC. button to select the tuner.
2. Press the AS/PS button on the front panel for about 1 second.
3. Scanning starts from the currently displayed frequency to higher frequencies and stops when 6 stations have been preset or the receivable frequencies have been scanned once.

NOTES

• The presetting is not performed if there is no station to be tuned in.
• When automatic presetting is performed, the previous preset stations are automatically erased.
  • To stop the automatic presetting, press the BAND or the AS/PS button.

Storing and recalling broadcast frequencies

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

1. Select the desired frequency
2. Press one of the preset station buttons (1 - 6) for more than 1 seconds. The number of the pressed preset station button is displayed.
3. Repeat steps 1 and 2 to preset other stations.

NOTES

• As F1, F2, F3 have the same frequency range, up to 18 station can be preset for FM.
• When a station is preset on the preset station button on which another station of the same band has already been preset, the previously preset station is automatically erased.

To scan the preset stations

Press the AS/PS button on the front panel.
To stop the scanning, press the AS/PS button.

To tune in the preset stations

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

Operation with Audio CD, MP3/WMA Disc and CD changer

Playing an Audio CD and MP3/WMA Disc

CD MP3 WMA

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 on page 18.

- To directly play a file, press NUMBER (#) button and then press the track number with 0-9 number buttons.

Playing a CD changer (OPTIONAL) CDC

Playback Setup CDC

• Connect the CD Changer connector of this unit to the connector on this CD Changer on page 10.

• Audio system: Turn on the audio system and select the input source connected to the unit.

• Press PWR or POWER/MUTE (%) to turn the unit on.

• Select the CD changer function pressing FUNC. repeatedly.
• Insert a disc you want to play into the magazine.

Playback starts automatically.

Moving to another Disc CDC

Press D(+/-) briefly during playback to go to the next disc or step back to the previous disc.

Pause CD MP3 WMA CDC

1. Press PLAY/PAUSE (▶/II) during playback.
2. To return to playback, press PLAY/PAUSE (▶/II) again.

Moving to another Track CD MP3 WMA CDC

• Press the ◀◀/▶◀ on the front panel or ◀◀◀◀◀/▶▶▶◀ on the remote control briefly during playback to go to the next track or to return to the beginning of the current track.
• Press ◀◀ on the front panel or ◀◀◀◀◀ on the remote control twice briefly to step back to the previous track. (If playing times is less than 3 seconds this function is not operated.)

Search CD MP3 WMA CDC

Press and hold the ◀◀/▶▶ on the front panel or ◀◀ ◀◀/
▶▶▶▶ on the remote control for about 1 second during play-back and then release at the point you want.

Operation with Audio CD, MP3/WMA Disc and CD changer

Repeat CD MP3 WMA CDC

1. a. Press RPT during playback.
   The "RPT" appears in the display window.
   (All of the music on the disc is played repeatedly)
   b. Press and hold RPT during playback. CDC
   The "DRT" appears in the display window.
   (All of the music on the discs in the CD changer played repeatedly)

2. Press RPT again.

The "RPT" disappears in the display window.

(The repeat mode is cancelled.)

Random

1. a. Press SHF during playback. CD MP3 WMA CDC
   The "SHF" appears in the display window.
   (All of the music on the disc is played randomly)
   b. Press and hold SHF during playback. CDC
   The "DSF" appears in the display window
   (All of the music on the discs in the CD changer is played randomly)

2. Press SHF again

The "SHF" disappears in the display window.

(The random playback is cancelled.)

NOTE

- During random playback, you can press ◀ a button to not repeat the previous track.

MP3/WMA TRACK -10/+10

During playback, press the -10 (D-)
button to go back to the previous 10 track, and press +10 (D+) button to go forward to the next 10 track.

Intro scan

1. a. Press SCAN. CD MP3 WMA CDC

The "SCAN" appears in the display window.

(The first 10 seconds of all of the songs on the disc is played)

b. Press and hold SCAN. CDC

The "DSN" appears in the display window.

(The first 10 seconds of all of the music on the discs in the CD

changer is played)

1. Press SCAN again.

The "SCAN" disappears in the display window.

(The intro scan is cancelled.)

ID 3 TAG MP3 WMA

When playing a disc containing information, you can see the information (ID3 TAG, Title, Artist and Album) in the display window. If there is no information "NO TEXT" will be shown in the display window.

Press the DISP button twice during MP3 file playback.

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.
The unit does not operate correctly even when the appropriate remote control buttons are pressed.	Battery power is low.Some operations are prohibited with certain discs.	Load new battery.Check using another disc.
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 is.
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.

REFERENCE

Specifications

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

1. Sampling Frequency / 32 - 48kHz (MP3) 22.05 - 48kHz (WMA)
2. Bit rate / within 32 - 320kbps (include VBR) (MP3) 16 - 192kbps (WMA)
3. CD-R/CD-RW physical format 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 is impossible 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.

Notice (the date of the production of goods).

First figure ( of the left ) of series number means Year, next 2 figures

- Month of the production of this goods.

General

Output Power .50W x 4CH(Max.)
Power Source DC 12V
Speaker impedance 4 Ω
Ground System ...... Negative type
Dimensions (W x H x D)182 x 51 x 173 mm (Without Front Panel
Net Weight (approx.) 1.8 kg

FM tuner

Frequency Range 87.5-107.9MHz or
87.5-108 MHz or 65-74 MHz, 87.5-108 MHz
S/N Ratio 55 dB
Distortion 1.0%
Usable sensitivity 12 dBμV

MW(AM) tuner

Frequency Range .520-1720kHz or 522-1620 kHz
S/N Ratio 45 dB
Distortion 1.0%
Usable sensitivity .32 dBμV

CD

Frequency Response 40 - 20000 Hz

S/N Ratio 70 dB

Distortion 0.15%

● Design and specifications are subject to change without notice.