Troubleshooting - Magnadyne M10 Operation Manual

Troubleshooting

General
The following checklist can help you solve the problems which you may encounter when using the
unit. Before consulting it, check the connections and follow the instructions in the user manual. Reference Supply Voltage .................................................................... 12V(DC)
Operating Voltage Range ........................................................10.5 - 15.8V(DC)
Problem
Max Operating Current .................................................................................15A
General
Grounding System .................................................... Car Battery Negative Pole
Dimensions(WXHXD) ................................................ 314.0 x 176.0 x 171.0mm
Weight(main unit) ...................................................................................... 3.0kg
The unit will not switch on.
FM
Signal Noise Ratio ................................................................................ ≥55dB
Usable Sensitivity(S/N=30dB) ..........................................................≤15dBμV
No sound
Frequency Response(-3dB) ..........................................................20Hz~7KHz
The unit or screen does
Station Seeking Level .................................................................... 20~28dBμV
not function normally.
Distortion .............................................................................................. ≤1.0%
Remote control
Stereo Separation(1KHz) ..................................................................... ≥25dB
Antenna Impedance ...................................................................................75Ω
The remote control is not
AM
working or does not work
Usable Sensitivity(S/N=20dB) ..........................................................≤30dBμV
properly
Frequency Response(-3dB) ..........................................................50Hz~2KHz
DVD mode
LCD
The appliance will not play
Screen size ........................................................................... 10.1 inches(16:9)
discs.
Display resolution ........................................................................800X480dots
DVD Player
Signal / Noise Ratio .............................................................................. ≥70dB
Sound skips due to
Dynamic Range .................................................................................... ≥70dB
vibration.
Distortion(line out) ................................................................................ ≤0.8%
Frequency Response(±3dB) .......................................................20Hz~20KHz
TUNER mode
Maximum Output Power ........................................................................6×30W
Load Impedance ...........................................................................................4Ω
Unable to receive stations.
AUX IN
Poor quality reception of
Distortion .............................................................................................. ≤0.8%
radio station.
Frequency Response(±3dB) .......................................................20Hz~20KHz
Audio Input Level ...................................................................................500mV
Preset stations are lost.
Audio
Audio Output Impedance ......................................................................... 10KΩ
USB mode
Audio Output Level ....................................................................... 2Vrms(Max)
Unable to insert USB
Video
device.
Normal Video Input Level(CVBS) .......................................................1.0±0.2V
Video Input Impedance...............................................................................75Ω
The USBdevice cannot be
Video Output Impedance ............................................................................75Ω
read.
Video Output Level .............................................................................1.0±0.2V
Environment
Operating Temperature .............................................................-10°C ~ +60°C
Storing Temperature..................................................................-20°C ~ +70°C
Operating Humidity ..................................................................... 45%~80%RH
Storing Humidity ......................................................................... 30%~90%RH
Notice:
When the unit is operated in extreme conditions, such as operated with maximum power output
for a long time, or the temperature is over 70°C, it will enter heat protection mode, the volume will
automatically be lowered. This is normal.
Possible cause
Car ignition is not on.
Cable is not properly
connected.
Fuse is burnt.
Volume is set at minimum or
the mute function is on.
The unit system is unstable.
The battery is low or empty.
The disc is inserted incorrectly.
The disc is dirty or damaged.
Mounting angle is over 30˚.
Mounting is unstable.
The antenna is not connected
properly.
The antenna is not fully
extended or it is broken.
The battery cable is not
properly connected.
The USB device has been
inserted the wrong way round.
NTFS format is not supported.
30 29
Solution
Turn your car key in the ignition.
Check cable connection.
Replace fuse with a new fuse of the
same capacity.
Check the volume or switch the mute
function off.
Press the RESET button.
Change the batteries.
Disc must be inserted with the label
side facing up. Clean the disc and
check for damage. Try another disc.
Adjust mounting angle to less than
30˚.
Mount the unit securely with the
supplied parts.
Connect the antenna properly.
Fully extend the antenna and if
broken, replace it with a new one.
Connect the permanent live on the unit
to the permanent live on the vehicle.
Insert USB the other way around.
is in FAT or FAT32 format. Due to
different formats, some models of USB
storage devices or MP3 players may
not be read.