Question about Myron & Davis AD-212 Car DVD Player

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What to replace a ad255t with

This one has an internal short and what should I buy to replace it with

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Why is my in dash dvd /GPs 7" poweracoustik radio come on for a second then cut off


Make sure you are getting a full 12 volts to the unit and make sure you have it grounded correctly.Other than that you may have a short internally so repair may be necessary. Good Luck !

Feb 10, 2015 | Car Video Players

1 Answer

Amp guard on unit is max686bt clarion how can i fix it


, the message you are getting is "amp guard". This is the mesage it will display when a short in a speaker wire or speaker with low impedence is hooked to the internal amp and sends it into protect mode, shutting down the amplifier section while the rest of the unit continues to work.

check all of your speakers

pls rate

Jun 01, 2010 | Clarion MAX685BT Car DVD Player

1 Answer

My unit loses all audio then i turn it iff and back on and its works for a little bit what needs repaired or is their a short in the wieing?


It may be a themal shutdown due to misbalanced impediance. Multiple speakers connected together on one channel or more speakers on one channel than other opposing channel. Other possibilty is internal amp is bad and goes into failsafe/thermal shutdown/circuit opens when it heats up.

Dec 05, 2009 | Clarion VRX935VD Car DVD Player

1 Answer

I have the kvt 617 I have great audio when listening to radio nut anythig else I only have subs it started doing it when i first got it and then it quit and know it is doing it again any idea?


High end kenwoods have a setting, where you can turn off the internal amp in the head unit, if the sub is the only thing that has an external amp hooked to it, and it is playing, that may be your problem. Also, if one of the speakers hooked directly to the Kenwood has a short, bad voice coil, or contacts touching metal, that can cause the amp in the Kenwood to go into protect, and you will loose sound to all the speakers.

Aug 18, 2009 | Kenwood KVT-617DVD Car DVD Player

2 Answers

Need to buy a new brain


I have a factory Clarion Brain unit for the Clarion VRX935VD after my head unit/monitor was stolen from my car 2 years ago. It's been sitting in a drawer in my room on good working order, still have the wiring harness too, although 2 wires have been cut from where they cut it. Interested give me a call 1-234-567-1724 i live in Ohio. I will sell as i have NO USE for it whatsoever and haven't for years, just too lazy to put it up on ebay or anything like that.

Apr 08, 2008 | Clarion VRX935VD Car DVD Player

1 Answer

Clarion vrx745vd problem


, the message you are getting is "amp guard". This is the mesage it will display when a short in a speaker wire or speaker with low impedence is hooked to the internal amp and sends it into protect mode, shutting down the amplifier section while the rest of the unit continues to work.

check all of your speakers

and the audio only should be that your handbrake is not up or check the grass green wire connect it to ground and this will allow you too watch dvd's whilst u drive

pls rate

Dec 10, 2007 | Clarion VRX745VD Car DVD Player

1 Answer

I dont get any sound


Many vehicles have factory amplifiers that must be activated or bypassed when installing a replacement head unit. If the factory amplifier isn't integrated or bypassed, you won't hear sound from the factory speaker locations. Another possibility is that you have a shorted or pinched speaker wire or terminal. A short at any speaker will shut down the head unit's internal amp, killing the sound to all the speakers. The RCA outputs wouldn't be affected, so the subwoofer keeps playing.

Feb 23, 2007 | Jensen VM9510 Car DVD Player

2 Answers

Sound problem


what model is this? the very first thing i would do is make very sure you dont have a speaker wire shorting out on metal/rubbing/2 wires touchung togther somewhere. this is very bad. If this is a vrx935 id also try wiggling the "din" cord (its a blue cord with about 20 wires inside) between the brain and thwe head unit with the cd playing.. if the audio cuts in/out while wiggling that cord youve found your problem. If you cant figure it out and get sick of it i do buy old clarion dvd players for parts id love it for parts. let me know how it goes! mike bigmikeselectronic@comcast.net

Dec 25, 2006 | Clarion VRX935VD Car DVD Player

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