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Troubleshooting

18

T

roubleshoo

ting

4

Troubleshooting

Symptoms Cause

Solution

Power doesn't turned on.

The unit doesn't operate.

Leads and connectors are not properly.

Confi rm once more that all connections are correct.

The fuse is blown.

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.

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

Turn the unit off  and then on again.

No sound is heard.

Cables are not connected correctly.

Connect the cables correctly.

There's audio skipping.

This unit is not fi rmly secured.

Secure this unit fi rmly.

Radio stations cannot be tuned in.

The signal strength of the stations is too weak. (When tuning 
in with automatic tuning.)

Tuned in the stations manually.

No station has been preset or preset stations have been 
cleared. (When tuning by scanning preset stations.)

Preset the stations. 

iPod/ iPhone does not work.

Check whether iPod / iPhone is connected to the unit 
correctly.

Connect it to the unit correctly.

The unit does not operate correctly 
even when the appropriate remote 
control buttons are pressed.

Battery power is low.

Load a new battery.

Summary of Contents for MAX420IP

Page 1: ...DIGITAL MEDIA RECEIVER MAX420IP Please read this manual carefully before operating your set and retain it for future reference Please make sure to check the manual before installation page 8 to 9 ENGLISH www lg com mx ...

Page 2: ... 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...

Page 3: ...s in volume as switching sources 12 Listening to the radio 12 Storing desired frequencies manually 13 Listening to a preset station 13 Adjusting TUNER settings 14 Using an USB device 14 Pausing or restarting USB playback 14 Searching for a section within a file 14 Skipping to another file 14 Checking information about your music 14 Playing back files in a way you want 15 Moving to another drive 15...

Page 4: ...tings Moves 10 MP3 WMA files backward or forward if there is no folder or one folder on an USB Moves to the previous or next folder if there are more than 2 folders on an USB d 3D SOUND effect SOUND Selects a sound mode e Remote Sensor f Display window g USB port h BAND Selects a band in Tuner mode Moves to a next USB drive REC Recording to USB i DISP Press it you can check the clock time Press an...

Page 5: ...d or forward if there is no folder or one folder on an USB Moves to the previous or next folder if there are more than 2 folders on an USB ENTER LIST Confirms the settings Checks files or preset stations i DISP Press it you can check the clock time Press and hold it you can turn on off the display window and the light of LED buttons j RPT Repeats playback k INT Intro scan l Numeric buttons 1 to 6 ...

Page 6: ...t 2 Remove the control 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 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 ada...

Page 7: ...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 Caution Detaching the control panel 1 Press the 6 to open the control panel 2 Lift the control panel slightly 3 Push the control panel to right 6 5 4 Pull the control panel out of the unit 5 Put the detached control panel into the ...

Page 8: ...remote input Black Hard wired control adapter can be connected Optional B e AMP Remote On Blue White To Audio out To Audio in When being connected in a wrong way the unit displays as follows Antenna Remote port short ANTENNA REMOTE ON PORT SHORT CIRCUIT CHECK Speaker cable short PROTECT After connecting it again restart the unit Digital Amplifier has some problem WARNING Refer servicing to qualifi...

Page 9: ...d American Wire Gauge size AWG Wire Lenth m Current A Up to 1 2 1 2 to 2 1 2 1 to 3 0 20 14 12 12 20 35 12 10 8 35 50 10 8 8 Note Please use specified power supply wires otherwise the unit and vehicle may be damaged Warning How to install your car speaker system With the use of passive crossovers you can drive a midrange and tweeter in parallel on each channel of your set and maintain a safe load ...

Page 10: ...e unit 2 Rotate the volume knob to select an item and press it 3 Rotate the volume knob to set the option and press it 4 If you want to return to the previous step push the volume knob to the left EQ EQ is to increase or decrease the signal strength of audio frequencies The function helps you to enjoy sound more plentifully FLAT NATURAL DYNAMIC VOCAL USER EQ B BLAST OFF LEVEL 1 LEVEL 2 LEVEL 3 Rei...

Page 11: ...woofer frequency OFF SW 55 Hz SW 85 Hz SW 120 Hz You can enable the subwoofer USER EQ You can adjust the level of the each frequency band BND1 BND2 BND3 BND4 BND5 BND6 BND7 USER EQ is only available when you set the EQ to USER EQ For LIGHT setting You can adjust the light effects by adjusting LED MODE USER LED DIM or DIM LV LED MODE You can change the LED window color LED AUTO LED USER LED 01 to 2...

Page 12: ... press FUNC MENU on the remote control 2 Rotate the volume knob on the unit Or press w s on the remote control to set the option GAIN 0 3 6 3 Press the volume knob on the unit Or press ENTER on the remote control to confirm the setting 4 If you want to return to the previous step push the volume knob to the left Or press on the remote control Listening to the radio 1 Press SRC repeatedly to select...

Page 13: ...cel press the volume knob SENS Tuner sensitivity MID HI LOW In an area in which signal reception is weak it helps the tuner to search more stations The weaker the reception is the lower option you should set to RDS OPTIONAL AF Alternative Frequency ON OFF When the reception quality drops the tuner automatically changes to another station in the network broadcasting a better reception quality using...

Page 14: ...MA file playback If there is no information NO TEXT will be shown in the display window Playing back files in a way you want On the unit 1 Press F 2 Rotate the volume knob to select an item and press it 3 Rotate the volume knob to select the option 4 Press the volume knob to set the option If you want to return to the previous step push the volume knob to the left On the Remote Control 1 Press INT...

Page 15: ...ed to PC The unit cannot be used as a storage device Using NTFS file system is not supported Only FAT 16 32 file system is supported MTP Media Transfer Protocol device is not supported MP3 WMA music file requirement Sampling Frequency 8 kHz to 48 kHz MP3 22 05 kHz to 48 kHz WMA Bit rate within 8 kbps to 320 kbps include VBR MP3 32 kbps to 320 kbps WMA Recording to USB device 1 Open the USB cover a...

Page 16: ...gives the Title Artist or Album Press DISP repeatedly during MP3 WMA file playback If there is no information NO TEXT will be shown in the display window Playing back files in a way you want On the Unit 1 Press F 2 Rotate the volume knob to select an item and press it 3 Rotate the volume knob to select the option 4 Press the volume knob to set the option If you want to return to the previous step ...

Page 17: ...can control on the unit and iPod iPhone Press F on the unit to select CONTROL and then set CONTROL to IPOD Then playback is paused And you can control on the unit and iPod iPhone While using the iPod iPhone CONTROL MODE some buttons on the unit are not available Sets CONTROL to HEAD UNIT to cancel the iPod iPhone CONTROL MODE Compatible iPod iPhone models iPod classic iPod nano 6th generation iPod...

Page 18: ... sound is heard Cables are not connected correctly Connect the cables correctly There s audio skipping This unit is not firmly secured Secure this unit firmly Radio stations cannot be tuned in The signal strength of the stations is too weak When tuning in with automatic tuning Tuned in the stations manually No station has been preset or preset stations have been cleared When tuning by scanning pre...

Page 19: ...tortion 0 7 Usable Sensitivity 12 dBμV AM MW Tuning Range 520 to 1720 kHz or 522 to 1620 kHz S N Ratio 50 dB Distortion 1 0 Usable Sensitivity 28 dBμV AUX Frequency Response 20 Hz to 20 kHz S N Ratio 80 dB Distortion 0 1 Channel Separation 1 kHz 45 dB Max Input Level 1 kHz 1 1 V USB Version USB 1 1 or USB 2 0 Full Speed Bus Power Supply USB DC 5 V 1 5 A Subwoofer Frequency Response 20 Hz to 20 kHz...

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Page 22: ...Sor Juana Inés de la Cruz No 555 Col San Lorenzo Industrial Tlalnepantla de Baz Estado de México C P 54033 Tel 55 5321 1919 Lada sin costo 01 800 347 1919 LG Electronics México S A de C V ...

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