Kenwood LZ-702IR Instruction Manual

Also see for LZ-702IR - LCD Monitor: Training guide Instruction manual Service manual

Contents

English | 11Troubleshooting GuideWhat might seem to be a malfunction in your unitmay just be the result of slight misoperation ormiswiring. Before calling service, first check thefollowing 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 samerating.✔ No ACC position on vehicle ignition.☞ Connect the same wire to the ignition as thebattery wire.? Nothing happens when the buttons are pressed.✔ The computer chip in the unit is not functioningnormally.☞ Press the reset button on the unit (page 3).? 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 isfirst turned on due to the characteristics of aliquid crystal panel. Wait a while after turningpower on for the temperature to rise. Normalbrightness will return.? No sound from wireless headphones.✔ IR Headphones setting is "Off".☞ Turn it "On" (page 6).✔ The frequency setting is not set correctly.☞ Select the transmitter frequency according toyour headphones.✔ The headphones power is off.☞ The headphones power switch is turned on.✔ The headphones batteries are exhausted.☞ Replace the headphones batteries with freshones.Removing the Monitor Unit1 Insert the removal tool (Accessory 6) deeplyinto the slots on each side, as shown.Accessory 62 Pull the monitor unit all the way out with yourhands, being careful not to drop it.