My receiver will just randomly lose all power and it will reset all the radio presets, the clock, the date. sometimes it will turn itself right back on, others i have to manually turn it on. lately, it wont even turn on when i push the power button. i have to keep pushing it, turn the car on and off, and finally it turns on. is there any way this can be fixed or do you think its time to get a new one? i have only had the receiver for two years this december :(
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Toyota vehicles have a fuse in the kick for the amp and sometimes there is located under the hood ... This is the switch turn on for the amp ... And 1 of the fuses is most likely the memory or constant power. B sure to check all fuses ... I do not have AllData pulled up . If the fuses are all good the amp or radio may be bad ... Or both ... Be sure to check all the fuses ... Many times I get clients that say allthe fuses are good and it is still the first thing I check ..Usually is a fuse ..Good Luck
first of all you must be able to check out a few things like do you know how to set your clock for the kd-r805. if you can check to see if you set your clock and set your presets for radio station to be saved. set your clock and set all your station presets once done. Once you have done that turn off the car wait about 60 seconds then turn your car back on to power up the radio and see what happens to your clock and presets . if your clock and presets are not still saved this means that who ever did the radio install has the yellow memory wire connected to switch ignition and not constant battery wire from the factory harness. have someone fix it. If the clock and station presets are still save then it was that you don't know how to program the clock.. how to program your model radios clock .......
STEP 1 : TURN ON POWER TO RADIO
STEP 2 : PRESS AND HOLD MENU UNTIL THE MAIN MENU IS SHOW ON RADIO SCREEN PRESS AND TURN THE VOLUME KNOB TO MOVE THROUGH THE MENU (YOU MUST CANCEL THE DEMO FIRST TO BE ABLE TO PROGRAM THE CLOCK). STEP 3: TO SET THE CLOCK SELECT THE CLOCK IN THE MAIN MENU SETTING ROTATE THE VOLUME KNOB AND PRESS IT ONCE TO SELECT THE CLOCK SETTING.
STEP 4: ADJUST THE HOURS AND THEN PRESS THE VOLUME KNOB TO MOVE ON TO THE SECONDS . STEP 5 : THEN SELECT 12HR OR 24HR TO BE DISPLAYED STEP 6 : RETURN TO THE PREVIOUS MENU BY HITTING (BACK BUTTON) STEP :7 TO EXIT SETUP OR MENU HIT THE (MENU BUTTON) email@example.com
you need to make sure the yellow wire is going to a constant power source. that is, a source that is still hot when you turn the key off. the yellow wire controls your memory for your clock and preset stations.
your deck has two power sources a main for when your car is turned on so the radio kicks on and a remote which is always on keeping stations and clock powered passively so whoever installed it did it improperly or do to road wear and tear it was jossled lose and can simply tightened after pulling the deck out
If you lose your preset stations as well, it means that your memory wire (sometimes yellow sometimes red) is not hooked to a constant power source. Get a testlight and find a wire in where the radio is at that has constant power once you find that attach the memory wire.
The radio was improperly installed; there are two 12V leads, one services the radio when on, the other, only the circuitry for the clock and presets.
Eventually, this shouldn't be needed if the manufacturers ever think about using a little bit of flash memory for the presets and a coin cell for the clock.
You didn't give any model number so researching the manual is impossible.
If you can find the model number, look for a user's (or installation) guide on line to find the wiring info.
I'm not sure if car radios have internal batteries, but that's what keeps preset memory on home radios.
In any case, preset memory requires a small continous electric current, and if there is none coming into the radio then when you switch the car off it will reset.
Hope you find something along that line