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Old 03-11-2017, 02:26 PM   #1
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Atten: all Vectra/Horizon '04 era owners, ft TV change out to begin, need info.

Many of you have already done this change-out. Our coach is an '04 Itasca Horizon 36GD with the C-7 330HP CAT. It is still sporting the gargantuan, overweight, boat anchor SONY TV in the front. I have read many threads on this. While the physical part of the change out is not going to be too much of a challenge, it's the wiring and link up to the so-called "surround sound" that I really would like some coaching on.

The physical side is determining what the most appropriate sized Flat Screen will fit, with minimal to moderate alteration to the exterior wood and interior support system. I'm pretty sure I can handle that part without too much brain surgery.

Now, as many of you already know, the Horizons and the Vectras both had some form of "surround sound". That's a very, very loose description of what's actually there but, it's what they called it. For my coach, there is an AMP, in the left front compartment, with about a zillion wires coming from it and disappearing into never-never land.

There's lots and lots of details when it comes to this project. Camping with some folks recently at Quartzsite recently, I came across a person who'd changed many of those TVs out to newer and more modern ones. He was very, very smart at what's there and, what's needed to be changed. When I spoke of the "Wort" or, whatever the unit is called, and it's need to be removed from the old TV and transferred to the new one, he stated "Why"? he said all his wiring involved HDMI cords where ever applicable and there was no need for this part of the changeover. I'm no expert by any means on the sound system side of things so, I have no reason to doubt his statement.

I did however get a chance to listen to the sound system he created inside an '04 Journey which, is also very similar to ours. It was phenomenal, compared to mine. When I switch the dash toggle to TV from Radio, and have a movie or, just about any TV show on, you practically have to put your ears right up against the rear speakers, in order to hear them. I don't think that's normal.

So, anyway, while this subject has been covered quite a few times, I thought I'd solicit any help I could muster up. I'll be removing the boat anchor starting today. It will be like pulling a giant tooth and leaving a rather large hole. But, on the good side, I think my fuel mileage will go up by a tenth.

On edit:
I forgot to mention that the person who I spoke with in Quartzsite stated to go after nothing but a Sanyo due to the fact that they have the largest sized/threaded mounting screw holes of any of the TVs out there. I made a comment to him about concern for a good mounting because, these TVs were designed to be STATIONARY mounted, not BOUNCING DOWN OUR AMERICAS REALLY, REALLY FINE HIGHWAYS.

I know there's lots more to be concerned about but, this is a start.
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Old 03-11-2017, 02:58 PM   #2
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Here is some info on all those wires.

Also Thanks to John for a sound mod to the TV

TV Sound Modification for variable low-level audio output

Attached Files
File Type: pdf mobile_theatre_rv_troubleshooting_364.pdf (44.2 KB, 21 views)
File Type: pdf MTSAMP-03[1][1].pdf (63.9 KB, 17 views)
File Type: pdf MTSHN1,2,,5-17[1][1].pdf (87.0 KB, 19 views)
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Old 03-11-2017, 02:58 PM   #3
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Scott, we replaced the large, heavy boat-anchor CRT TV in the 2002 Journey when we had it. Not sure how much different the set up changed from our 2002 to your's but here are some things to consider (things I would have changed if I had it to do over):

1. There is a lot of space that will go unused behind that big Sony after you remove it. Consider mounting whatever TV you replace it with on a hinged board so you can swing the TV out of the way and used the space behind it.

2. We used a nice Samsung 32" flat screen LED TV. The 'surround sound' system in our coach also had the round gizmo (noise reduction device??). You have to feed those wires with the audio signal from the TV. I could not find a replacement TV at the time with any 'audio out' or 'external speaker' connections that were compatible with the Winnebago system, so I soldered my own wires to the TV speakers and connected directly to the funky WGO wiring. It worked OK. Nowadays I would just add a nice sound bar like I have done in my current coach when we replaced the TV.

In any case, you have a lot of options for replacement TV's these days. I will say I do not miss the BOMB (box of many buttons) switch box that we had on the Journey.
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Old 03-11-2017, 05:45 PM   #4
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I have an 05 Sunccruiser that also had a large Sony TV and "surround sound" AMP under the dash on the passenger side. Not sure that it is exactly the same but Winnebago probably used the same components across models.

My boat anchor of a TV had stereo out via two RCA jacks that connected to the sound system. When shopping of a new TV I found one with a typical stereo out headset jack (I think 2.5mm but could have been 3.5mm). Then I bought an adapter from Radio Shack that went from the headset jack to the two RCA jacks. The sound is the same as with the other TV.

I installed a new blue ray player that connects via HDMI but left the BOMB with the coax cable as an input for the OTA antenna. At some point I still need to replace my obsolete satelitte TV antenna and connect that to the other HDMI port. The new TV came with a tuner (coax) input and 2 hdmi inputs.

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Old 03-11-2017, 06:10 PM   #5
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Not a Winnie but... I just mostly finished my modifications this week. I absolutely hated the TV box on my front entry DP. It was just unsightly, got in the way of the view out of the window, previously modified so it looked horrible... and it made getting in a bit claustrophobic. I hate to say Feng Shui, but it was really one of the best mods I've done so far. I put a shelf up there and moved the TV behind the passenger seat. This isn't a finished picture, but most of the work had been done at this point.

It originally had something similar to what you described. The TV box was angle cut so the LCD sticking out of the box wouldn't hit you on the head when you got in, and it looked horrible.

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Old 03-14-2017, 03:13 PM   #6
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Well Gang,
Due to unforeseen circumstances, I had to postpone the BOAT ANCHOR removal and replacement for a few weeks. I'll attack this project when we return home from an unscheduled upcoming trip. I thank all of you for your assistance here.
2004 ITASCA HORIZON 36GD, 2011 GMC Sierra 1500 4x4 Toad '18 Honda Africa Twin Adventure Sports DCT
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Old 03-14-2017, 03:16 PM   #7
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Here's my old thread (which you've seen before): Front LCD TV install in 2005 Vectra (Long)
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