KEY TV Module quit again Bypass it?

[purebred]

After two different key tv boxes going bad is there anyway to bypass the box? I realize the antenna needs 12 volt dc. Has any figured out how to keep the amplified antenna and bypass the box? I don't care about cable or satellite i just want over the air tv. I know i could get a splitter and hook the antenna wires to it but how to apply 12 volts for existing antenna? Any help would be greatly appreciated.

[chuckster57]

You can buy a booster, use a barrel connecter at the KeyTV box for the antenna in and TV out. The booster just needs 12V to boost the antenna.

[chuckster57]

Let me rethink this. Since you will have 12V at the box, you can use it. You can get a booster with ANT in, and CABLE in. It will have tv out and TV2 out. Easy to identify coax and simply hook it up.

[purebred]

When you say booster I'm not sure how you hook this up. Looking at the existing box 12 volts is supplied by the box to the antenna. How would I hook 12 volts to the antenna with a booster? Sorry just not seeing it. I understand the barrel connector from antenna to tv in but lost me in applying 12 volt to it.

[chuckster57]

Standard RV antenna booster. It can use the 12V originally for the KeyTV box.

Move the antenna “in” from the box to the back of the booster. Move the coax going to the tv from the box and connect to the front of the booster, or the back (TV2).

[purebred]

Thanks Chuck, but when you say 12 volt in the only boosters I see are ac voltage boosters. The box puts out 12 volt dc voltage. doesn't the antenna have to be 12 volts dc?

[chuckster57]

The antenna gets its 12V from the coax. Once you have 12V to the booster and turn it on, 12V is sent to roof antenna through the coax.

[purebred]

Sorry I'm just not understanding you. I see power boosters but the all use 12 volts ac. The Key tv box is 12 volts dc. Would you have a link of the booster you are describing? Would sure help to understand it. I'm sure others would appreciate it also. From what i have read this is a common problem with KEY TV on Keystone rvs. Thanks

[chuckster57]

It’s all 12VDC. Trust me. Use the 12V leads for the Key box and hook them up to the standard booster...nothing will burn up, trust me.

[ChuckS]

Have you actually measured the DC voltage output on the center pin of the KeyTV box to OTA antenna to verify you have 12 volts DC present from KeyTV box?

There have been a few folks that had some tough luck with the KetTV box but for the most part the concept is good..

[chuckster57]

No, but I do know for a fact that the roof antenna only needs 12VDC, and the KeyTV box and standard booster use 12VDC to power it.

That being said, it doesn’t matter what the Key box puts out, the booster will put out the 12VDC needed.

[ChuckS]

Center pin of coax connection on KeyTV box circled must have 12 vac present with blue light ON and cable tv coax connection to park RV pedestal removed

[ChuckS]

Was commenting to OP.

As you stated the OTA needs 12vdc... I asked if he has measured the output at center pin of his a KeyTV box at connection I circled to see if 12 volts is present. If not then KeyTV box is bad

[purebred]

Yes I in fact measured the out voltage of the keytv box and it is a constant 12 volts dc voltage. With that said the only booster I can see is 120 volt ac. It doesn't state a voltage coming out. Would you have a picture or something showing what booster you are referring to? Just trying to figure which one to buy

[ChuckS]

You measured 12 volts DC on the coax connection with cable removed I circled ? If you have 12 volts at that connection with coax cable end removed from box then there is nothing wrong with the KeyTV box... per say

Have you gone up on roof and measured the DC power at the RF cable coax connection at the roof mounted OTA antenna to see if you have 12 volts DC there as well?

If so then the coax feed line and KeyTV are fine..

You have an issue with the OTA antenna head up on the roof

[chuckster57]

Here you go


https://winegard.com/products/access...power-supplies

Walmart shows in stock, Any RV parts counter should have it.

I’ve had KeyTV modules fail during PDI a few times...

[ChuckS]

The “Booster” you are looking for is actually a 12 VDC powered amplifier that is built into the head of the OTA roof antenna. All it requires is a 12 VDC signal on center pin of coax feed t9 it and ground...

[purebred]

Originally Posted by ChuckS

You measured 12 volts DC on the coax connection with cable removed I circled ? If you have 12 volts at that connection with coax cable end removed from box then there is nothing wrong with the KeyTV box... per say

Have you gone up on roof and measured the DC power at the RF cable coax connection at the roof mounted OTA antenna to see if you have 12 volts DC there as well?

If so then the coax feed line and KeyTV are fine..

You have an issue with the OTA antenna head up on the roof

I haven't been on roof yet but you might be correct about the antenna being bad. I do have 12 volts dc at box when removing cable. will check the cable at top tomorrow to see if it has 12 volts if so then in all proability it is antenna. Thanks

[ChuckS]

Well if he really has 12 VDC out of the KeyTV box at where I indicated and he measured up at antenna on roof and 12 volts is there he has other issues

Wish you the best

[purebred]

Originally Posted by ChuckS

The “Booster” you are looking for is actually a 12 VDC powered amplifier that is built into the head of the OTA roof antenna. All it requires is a 12 VDC signal on center pin of coax feed t9 it and ground...

Thanks again Chuck, I was just trying to see what you are referring to to purchase. Very confusing might just go with a set of rabbit ears if they work.