Kenwood LZ-612IR Car Video System User Manual


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What might seem to be a malfunction in your unit
may just be the result of slight miss operation or
miss wiring. Before calling service, first check the
following table for possible problems.
The power does not turn on.
! Thefusehasblown.
Aftercheckingforshortcircuitsinthewires,
replace the fuse with one having the same
rating.
! NoACCpositiononvehicleignition.
Connectthesamewiretotheignitionasthe
battery wire.
Nothing happens when the buttons are pressed.
! Thecomputerchipintheunitisnotfunctioning
normally.
Presstheresetbuttonontheunit(page2).
The screen is dark.
! Theunitisinalocationwheretemperatureislow.
If the temperature of the monitor unit drops, the
screen may appear darker when power is first
turnedonduetothecharacteristicsofaliquid
crystalpanel.Waitawhileafterturningpoweron
for the temperature to rise. Normal brightness
will return.
No sound from wireless headphones.
! Thefrequencysettingisnotsetcorrectly.
Selectthetransmitterfrequencyaccordingto
your headphones.
! Theheadphones power is off.
Theheadphones power switch is turned on.
! Theheadphonesbatteriesareexhausted.
Replace the headphones batteries with fresh
ones.
Troubleshooting Guide Specications
Monitor Unit
Screensize
: 6.1 inches wide
136.1(W)×72.0(H)×154.0(Diagonal)mm
5-6/16(W)×2-13/16(H)inches
Displaysystem
:TransparentTNLCDpanel
Drivesystem
:TFTactivematrixsystem
Numberofpixels
:336,960pixels(480H×234V×RGB)
Effectivepixels
: 99.99 %
Pixelarrangement
:RGBstripedarrangement
Backlighting
:LED
IRTransmitterOutput
:(1-ch)Lch:2.3MHz/Rch:2.8MHz
:(2-ch)Lch:3.2MHz/Rch:3.8MHz
Hideaway Unit
Coloursystem
:NTSC/PAL
Externalvideoinputlevel(RCAjacks)
:1±0.1Vp-p/75Ω
Externalaudioinputlevel(RCAjacks)
:2V/10KΩ
Videooutputlevel(RCAjacks)
:1±0.1Vp-p/75Ω
Audiooutputlevel(RCAjacks)
:1.2V/10KΩ
General
Operating voltage
:14.4VDC(11-16V)
Currentconsumption
:1.5A
ConsumedPower
:14W
Operational temperature range
:–10°Cto+60°C
Storage temperature range
:–30°Cto+85°C
Dimensions(W×H×D)
Monitorunit:177×122×34mm
7×4-7/8×1-5/16inch
Hideawayunit:141.5×88.5×32.5mm
5-9/16×3-8/16×1-4/16inch
Weight
Monitorunit:375g(0.83lbs)
Hideawayunit:145g(0.32lbs)
•Specifications subject to change without notice.
•Althoughtheeffectivepixelsfortheliquidcrystalpanelis
givenas99.99%ormore,0.01%ofthepixelsmaynotlight
or may light incorrectly.
1-LZ-612IR_ENG_0405.indd 11 2010-04-05 �� 5:11:59
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