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Old 04-10-2012, 09:49 AM   #15
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Originally Posted by dowpells View Post
Don't know if it's the switch you're looking for, but on our 05 LY there is a well hidden (mystery) switch & turn knob in the cupboard above the TV. It's behind the plug on the top shelf. We've never figured out what it's for. But, a speaker switch & volume control knob make more sense than any of the other ideas we've had.
Dowpells, as my LY is a non-slide, the cabinet containing the switch you mention, is behind the driver seat and above the sofa.

The switch has a green light that come on when the pushbutton switch is pressed, but only with the coach batteries on. That which you state to be a knob, on mine actually appears to be a 12 volt port, I think. From the outside of the cabinet, it can appear to be a knob, but have you tried to turn it? Check and see if it’s not just a plug-in hole with a high lip.

In either case, the pushbutton and green light don’t seem to affect the TV sound through radio speakers, although there is mention in the radio owner’s manual about operating an external device as a “line-in” feature. Can be a multi-disc CD changer or “other” devices. Maybe this is part of the answer, but wouldn’t it be nice if Airstream instructed on its operation, since the spec sheets and brochures state, "TV Audio through the 4 Radio Speakers”.
.
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Old 04-10-2012, 09:53 AM   #16
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Originally Posted by masseyfarm View Post
Sounds like the radio, and the amplifier for speakers, are wired to different battery circuits??

Dave
I was thinking the same thing.

In fact, I've been wondering if it was a radio was a replacement that a PO wired up. If that's the case, almost anything is possible.
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Old 04-10-2012, 10:02 AM   #17
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Originally Posted by RAG View Post
... there is mention in the radio owner’s manual about operating an external device as a “line-in” feature. Can be a multi-disc CD changer or “other” devices...
Have you not tried this?

That is my understanding of how the systems work in newer units.

I installed a JVC stereo in my 1983 Excella. That's how I get the sound from my TV through the speakers. The JVC has a rear aux. in, a front aux. in, and a front USB/iPhone input. I plugged the TV out into the rear aux. Switch to the rear aux. and voila, great sound! (Need to do a thread, just haven't taken the time)
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Old 04-10-2012, 11:02 AM   #18
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Originally Posted by vswingfield View Post
I installed a JVC stereo in my 1983 Excella. That's how I get the sound from my TV through the speakers. The JVC has a rear aux. in, a front aux. in, and a front USB/iPhone input. I plugged the TV out into the rear aux. Switch to the rear aux. and voila, great sound! (Need to do a thread, just haven't taken the time)
Hi Vaughan, first, please tell me that your "trailer/hat" avatar is photoshopped! If not, where did you get that monster? I *want* one!

I may have confused my writings by not being clear; the radio I speak of is a JVC 12 volt car stereo mounted in the dash of a motorhome, not a 110 volt home stereo. Not unlike most car stereos from ‘04, this one doesn’t have any visible front or rear input/output jacks, but wouldn’t it be great if it did? ! ? ! ?
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Old 04-10-2012, 12:50 PM   #19
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RAG, you are right. That is what I mistook for a volume dial. Just went out to the moho & stuck my finger in the 12V opening. (We can barely see that area, as the DVD player and another connection box are bolted to the top shelf.)
You might be on the right track with looking at the radio controls. The JVC manual states, "select line in on the display, turn on the component, adjust the volume..." Sounds simple enough
Good luck.
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Old 04-10-2012, 01:59 PM   #20
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Originally Posted by RAG View Post
Hi Vaughan, first, please tell me that your "trailer/hat" avatar is photoshopped! If not, where did you get that monster? I *want* one!
Yes, unfortunately it is Photoshopped. It would be great, wouldn't it? In the photo, it covers the massive hail damage to the front cap that was there when I bought it. Ugly, but it doesn't leak and the price was adjusted accordingly.

Quote:
Originally Posted by RAG View Post
I may have confused my writings by not being clear; the radio I speak of is a JVC 12 volt car stereo mounted in the dash of a motorhome, not a 110 volt home stereo. Not unlike most car stereos from ‘04, this one doesn’t have any visible front or rear input/output jacks, but wouldn’t it be great if it did? ! ? ! ?
.
I understood that you were talking about the 12 volt car stereo, so was I. What is the model of your JVC unit? It is unusual that recent, after the mid-90s, stereos wouldn't have at least a rear input. It would be very small, like the plug for the headset on an iPod though, not a pair of RCA jacks like a home stereo. I used this Belkin cable from Amazon to connect to mine. The RCA plugs went into the TV sound line out, and the 3.5 mm stereo plug went into the rear aux. socket. It is just a small hole, and not easy to notice if you're looking for RCA plugs.

If you can give us the model of your stereo, maybe we can find an owner's manual online and be of more help.

I still think it's weird that you have to have both the ignition and the coach batteries connected. But what do I know, I'm a trailer guy. I just recently installed my JVC system, so this caught my eye. If it were me, I'd make sure it was only wired to the coach batteries and bypass the ignition using an on/off switch somewhere by the stereo to turn the display on and off. I used one like these on eBay for that purpose on mine. I got mine at NAPA and paid about $9.50 each. The ones on eBay are $7.95 for 25 with free shipping. I think I'm going to order some for future projects, but that's a different thread.
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Old 04-10-2012, 04:50 PM   #21
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Originally Posted by vswingfield View Post
If you can give us the model of your stereo, maybe we can find an owner's manual online and be of more help.
Vaughan, disappointing about the photoshop hat; very cool and the placement of the “shadow effect" made me a hopeful believer, oh well.

Regarding the stereo, it’s a JVC KDG400; standard equipment on my ’04 Land Yacht 30, and I have the original operator’s manual. As I noted previously, the Airstream owner’s manual, part's manual and spec sheets of the Land Yacht mohos all speak of a “switch” to accomplish this audio effect. I don’t know if there’s an output in the rear of the dash radio; it’s possible, but extremely difficult to access. But, that should be a moot point, as the Airstream claim is the inherent ability to play TV sound through the radio speakers as a standard feature of the Land Yacht coaches from 1998 through 2005, meaning additional wiring shouldn’t be required.

I placed a call to Airstream this morning and received a response about an hour ago. The customer service guy is great; I’ve spoken with him a number of times. I gave him all the info and the part number of the “switch” and he said he’ll hobnob with his fellow wizards and get back to me tomorrow. Should be interesting…..
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Old 04-10-2012, 05:12 PM   #22
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Originally Posted by RAG View Post
Vaughan, disappointing about the photoshop hat; very cool and the placement of the “shadow effect" made me a hopeful believer, oh well.

Regarding the stereo, it’s a JVC KDG400; standard equipment on my ’04 Land Yacht 30, and I have the original operator’s manual. As I noted previously, the Airstream owner’s manual, part's manual and spec sheets of the Land Yacht mohos all speak of a “switch” to accomplish this audio effect. I don’t know if there’s an output in the rear of the dash radio; it’s possible, but extremely difficult to access. But, that should be a moot point, as the Airstream claim is the inherent ability to play TV sound through the radio speakers as a standard feature of the Land Yacht coaches from 1998 through 2005, meaning additional wiring shouldn’t be required.

I placed a call to Airstream this morning and received a response about an hour ago. The customer service guy is great; I’ve spoken with him a number of times. I gave him all the info and the part number of the “switch” and he said he’ll hobnob with his fellow wizards and get back to me tomorrow. Should be interesting…..
.
After looking at the installation manual, very last thing on the bottom of page 4, it appears that there is an External Component input in the back, but it requires a special adapter to connect. It is "Line Adapter KS-U57 (not supplied with this unit)" That's disappointing, the JVC Arsenal KD-AHD79 that I installed uses a standard 3.5 mm input.

Let us know what they tell you. It still seems to me that using the stereo to drive the speakers would be better than depending on the TV to drive them. If the factory connected to the External Component input, it would still fulfill the ability to play the RV sound through the speakers as a standard feature.

In case anyone is interested, I attached the Installation and Owner's Manuals.
Attached Files
File Type: pdf JVC KD-G400 Installation Manual.pdf (322.3 KB, 19 views)
File Type: pdf JVC KD-G400 Instruction Manual.pdf (5.69 MB, 20 views)
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Old 04-10-2012, 08:44 PM   #23
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Sound System Upgrade

My 98 33' did not have any switch to get the TV/DVD sound out to the factory speakers and there are only 4 four incher that really didn't impress me with their sound. Two in front and two over the bed in back.

I opted for a 5.1 surround sound system 120v that is independent of the 12v in-dash system. Best Buy had a DVD/FM tuner unit pre-wired with a subwoofer and 5 small boxed speakers. I put the sub under the couch and velcro mounted the little speakers on the sides of the cabinets and on top of the TV. One to the left as you enter the coach, one under the cabinet directly across from the front door and left and right over the front seats. The center speaker fit on top of the indash TV. All of the speaker wires were run inconspicuously and hidden very easily under the ceiling panel strips and behind the cabinetry.

The system was only $59! And the sound is amazing! The component fits very nicely in the cabinet directly behind driver's seat. It plays DVDs and CDs, as well as, having a nice AM/FM tuner so we can listen to local radio.

The in-dash radio is obsolete.

We have a separate TV in the bedroom that has its own speakers.
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Old 04-11-2012, 06:20 AM   #24
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My 98 33' did not have any switch to get the TV/DVD sound out to the factory speakers and there are only 4 four incher that really didn't impress me with their sound. Two in front and two over the bed in back.
Airstream does list the '98 LY 33' as having "TV Audio Through Speakers", but regardless, $59 seems like a great deal for what you described!
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Old 04-12-2012, 10:06 AM   #25
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Switch with the green light

Quote:
Originally Posted by RAG View Post
Dowpells, as my LY is a non-slide, the cabinet containing the switch you mention, is behind the driver seat and above the sofa.

The switch has a green light that come on when the pushbutton switch is pressed, but only with the coach batteries on. That which you state to be a knob, on mine actually appears to be a 12 volt port, I think. From the outside of the cabinet, it can appear to be a knob, but have you tried to turn it? Check and see if it’s not just a plug-in hole with a high lip.

In either case, ...
.
The Green Light you mentioned is on the Winegard RV wall plate/power supply.

Here are the Operation instructions from the Winegard documentation:

“OPERATION: To receive cable signals from outdoor receptacle (Cable): Press switch to OFF (CABLE) position. Light on wall plate will go off showing that power is no longer connected to the antenna and that both TV sets are receiving signals from outdoor receptacle.

To receive signals from antenna: Press switch to ON (ANT) position. Light on wallplate will come on showing that power is connected to the antenna and both TV sets are receiving signals from the antenna.

NOTE: Make sure the antenna is in the operating position (up) and pointed at the station desired.”

Hope this helps

Bill
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Old 04-12-2012, 12:54 PM   #26
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Bill, thanks for explaining how the original equipment was intended to work.I believe the PO made some changes with the tv connections in our mh. We have a Flexvision box mounted next to the VCR/DVD player that allows us to select 1 of 3 sources (ANT, AUX or VCR) for the 2 tv's & 1 of 2 sources (ANT or AUX) for the VCR. Aux is the cable connection. They may have had a dish & the only advantage I can see with the added connection box is the 2 tv's can be using different sources. (advantage? not sure)
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Old 04-23-2012, 06:24 PM   #27
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More on TV audio.

I'm late to this thread having been away in the Land Yacht for two weeks.

I recently had to work on my TV sound when I relocated the TV from the dash to the wall behind where the dinette used to be.( see '01 Land Yacht Remodel' thread)

The original RCA CRT TV was connected from the headphone jack to an amplifier made by Audiovox called a 'Theater Sound System' model number RB-3600 that was located behind the TV. Using the switch on the dash directed the TV sound through the amp and out the radio speakers.

However when I came to install my new flat panel and tried to connect it the same way, although the sound was directed through the radio speakers, it was not amplified. I didn't know if there was a problem with the amp or if the new TV had a different output. I found the manual for the Audiovox unit on line, but it is now obsolete.

So, I took it to my local audio\video guy who came up with a cool solution. Instead of going through the existing amp he installed an FM transmitter in the wardrobe behind the new TV. The headphone jack from the TV goes to this transmitter. The transmitter gets power from the closet light wiring just above it.

I already have something similar for an Ipod so was familiar with the concept. For anyone who is not, the transmitter has a choice of FM wavelengths so you tune the radio to the same wavelength selected on the transmitter. You have to pick one that is not being used by a broadcaster.

The TV now has great sound with plenty of volume and can be adjusted from the TV remote. We used it on the last trip and it performed flawlessly.

Our stereo runs off the house batteries and is independent of the ignition. I believe it is the original stereo.

So the switch on the dash is now obsolete. Following are some pictures showing the installation and the dash switch. Bear in mind this is an 01 Land Yacht and later models may vary, but the solution would work for any situation.
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Old 04-23-2012, 06:50 PM   #28
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Just as an afterthought to my previous post. My local guy charged me $50 for labor and materials, so in my case at least a very inexpensive solution with minimal wiring required.
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