Ts 10 months old and cant find receipt to send back. the screen is blank when switched 'on' if i press the back of the unit it comes on,the take fingers off the back the screen goes 'blank' again.if i could take the back off it i could fix whats lose-but there is no screws or visible way into it!!
Im surprised noone has answered this considering navmans track record for producing waste products. I say this,as i have 5 sat useless,due to being 2nd owner,so uncovered by warranty,in some cases,units being less than 1yr old,so i have had a look myself. Ok. Here goes. hold the unit screen towards sky,base facing you. You will see 2 screws,one either side. These hold the side covers in position. Remove these,and if you have strong nails,insert finger nail between side cover and back,start at bottom and pop the bottom lug then the top. It should be held the same on other side of side cover. repeat this on other side of unit. The side covers should now be off and exposing back cover side edges now. Take your finger nail and insert between back cover and base at one corner,it should pop open slightly,repeat on opposite corner. This is from memory. your cover should now lift off. Try the screen ribbon where it joins the board for connection first,there is a tiny black lift up ribbon lock to lift up then make sure ribbon is pushed firmly home,maybe even clean the connectors. The rest is in your hands if this does not work. Good luck.
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Try checking all of your fuses. You should have two fuse boxes, one in the engine compartment and another under the dash or in a kick panel inside of the car. There is probably a fuse on the back of the radio also.
Many Kenwood radios are configured with the same security codes:
* KCAR - This seems to be a "backdoor" to some Kenwood models. * 3051 - This is the security code which is printed in the manual of many Kenwood models. * 1234 - This is a security code commonly chosen by Kenwood owners.
Entering your Kenwood Security Code
If the car battery fails or is disconnected, the Kenwood will ask for the security code.
The procedure to enter your security code differs on various models of Kenwood car stereos. Here are three of the more common procedures: Type 1
* During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds until the "..." display disappears. * Enter the security code using your Kenwood remote.
* Press the "Auto" button and "Track up" on the face of radio at the same time until the four dash lines disappear. * Enter the security code using your Kenwood remote.
Type 3: Model# DPX-4020 and DPX-4030
* Press and hold the 1 then the 6 preset keys until the display shows the letter 'C'. * Enter the security code using your Kenwood remote.
Entering Letters on your Kenwood Remote
To enter a letter using your Kenwood remote, press a button once for the first letter, twice for the second letter, and three times for the third letter -- then press the Track Up or Next Track key to send the letter.
To send the letter 'A', press the 2 key once and then press the Track Up key. To send the letter 'B', press the 2 key twice and then press the Track up key.
Finally, when you are done entering all of the letters, press and hold the Track Up button for 3 seconds.
The key sequence to enter the security code KCAR is:
* 5 * 5 * Track Up * 2 * 2 * 2 * Track Up * 2 * Track Up * 7 * 7 * Track Up
Your Kenwood should then enter tuner mode.
Newer Kenwood models have the security information stored in non magnetic flash memory. Once the code is set, it cannot be retrieved by a "backdoor method". Proof of ownership is required. You can take the radio in to any AUTHORIZED Kenwood retailer - and in 10 minutes - they can have your radio reset for you.
If all else fails, you can send your stereo back to Kenwood to have the security code reset. They require proof of purchase.
This can be a receipt, or a used car invoice.
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as far as i know jvc has never used codes. try pressing the reset switch (would be a pencil tip size hole on either the face or the subpanel, if it has one) or disconnecting power to the radio for a few minutes.
1 Press SOURCE and hold until the unit
2 Press MULTI-CONTROL and hold until
Language select appears in the display.
3 Turn MULTI-CONTROL to select one of
the initial settings.
Switching the reverse mode
If you do not perform an operation within
about 30 seconds, screen indications start to
reverse, and then continue reversing every 10
1 Use MULTI-CONTROL to select
2 Press MULTI-CONTROL to turn the reverse
# To turn the reverse mode off, press
You can also turn on or off reverse mode by pressing
BAND while this unit is turned off.
Any after-market CD player needs voltage on the yellow wire and on the red wire before it will turn on. The yellow wire is for a constant power source, and the red is for a key-switched power source.
When you hook it up to your battery using only the yellow wire and the ground wire, it's similar to having it in your dash without turning the key on; ie, it will load and eject, but won't power up and play with the key off. Turning the key on sends voltage to the red wire.