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Re: No color output from philips 751/171 dvd player
The RF modulator sends on a certain frequernzy(Channel) usally around channel 36 on UHF. If there is a adjustmen screw on it try and turn it util the picture disapears and then search for it on the tv again just to make sure nothing else is interfearing on the channel the RF modulator is sending on now.
An alternative if there is no adjustment on your RF modulator would be to change the frequenzy on your VCR or other devices attached to your TV that might send on the same frequenzy as your RF modulator.
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You need an A/V to RF adapter to convert the audio and video outputs of the DVD player to RF so that you can watch the DVD player on an available VHF channel on the TV. See this device offered by Amazon: RF Modulator TV Switch Audio Video RCA Ant Input to Type Coax Output...
You may also need a short 75 ohm length of coaxial cable with "F" type connectors on both ends and A/V cables with RCA plugs to complete the setup.
alot of DVD/VHS combos have a built in RF modulator. Look for a coax (screw threads) output on the unit and it should be labeld either DVD/VHS OUT or just VHS OUT. If it does not have a combo out then you will need to use the seperate RF modulator.
Your combo unit should have a set of yellow red and white jacks that are labeled DVD & VHS OUT. Connect these yellow red and white to the yellow red and white on your RF modulator, then connect the coax (screw threads) out on the RF modulator to the coax jack on the back of your TV. There is also typically a swich for channel 3 or 4 on the RF Modulator, make sure you TV is on which ever channel you have that switch set to. If your RF modulator has a power light on it, it will usually not come on until your DVD/VHS is sending a signal through it and it is connected properly.
If you have an antenna or cable box, your RF moudulator should have an Antenna or Cable input jack on it that you can use.
NO. An RF modulator and your digital-to-analog (DAC) TV converter are 2 different devices. The DAC will convert over-the-air (OTA) digital television signals from your antenna to analog NTSC format so your older analog TV can receive OTA broadcasts. The RF modulator converts base-band video (composite cable/RCA connector, or S-Video cable connector) to channel 3 or 4, so you can watch video/audio on your set. To use both the RF mod. and the DAC converter to the same TV, use an A/B switch for F-connector coax, or follow the directions for the RF modulator to make the correct connections.
Leave the cable box powered on but disconnected from the TV or VCR. All other components should be disconnected and unplugged, giving clear and easy access to all connections. If components sit in an entertainment unit, make sure all A/V cables can reach the RF modulator and the cable from the modulator can easily reach the television.
Hookup the first coaxial cable from cable box output, usually labeled "TV," "TV out" or "Out to TV" to the cable "In" on the VCR. Connect the second coaxial cable from the VCR's out to "TV" to the coaxial input on the RF Modulator.
Connect the third coax cable from the coaxial cable "Out" jack on the RF Modulator to the coax cable "Input" on the television.
Take one A/V cable, connect the red (right audio channel,) white (left audio channel) and yellow (video) from DVD player's "Output," to the corresponding DVD "inputs" on the RF Modulator. Place components as desired but still disconnected from power. Plug in all power cables including the RF Modulator's into the surge protected outlet strip.
Make sure the Channel select switch usually found on the back of the VCR and the Channel select switch on the RF Modulator are both set to Channel 3. This channel is used on the television to view your components.
Turn on the power strip and turn on the TV. Cable reception should come on as usual. Set the TV to Channel 3 and turn on the VCR. With VCR on test it by playing a video tape. The RF Modulator should sense the signal and automatically switch to "VCR."
Switch off the VCR and with the television still on channel 3, turn on the DVD player. As the RF Modulator senses the DVD player signal and switches to DVD, its welcome screen should be seen on the television. Play a DVD to test and once you're done with the DVD turn it off and the cable should come back on.
If you have a yellow/white jack on your DVD/VCR unit you can connect it to the TV using composite cables. If you only have the coax output on the DVD player you can buy an RF modulator that will convert the coax to composite also. But if you have two ports on thhe DVD player as most combos do the top is usually an input source such as cable and the bottom is the output that goes to the back of the tv. You could also buy a "splitter" and attach the cable and dvd coaxs to each of the out ports(they will be side by side) and on the opposite end, which is the in run a coax from that port to the tv coax port.
I hope this helps you out. If you need assistance you can visit me on the chat portion of this website.
There are two ways of solving this problem 1.It seems to me that you need an RF Modulator Box. What this does is convert the RCA cables (Yellow,White,Red cables) into coax. You buy the box then plug you antenna and RCA cables into the box. The box has a coax output that goes to your TV. You can then switch from VCR\DVD to antenna.
2. I dont know if your VCR/DVD has it but try hooking up your antenna to the VCR coax INPUT and then hook up your TV to the coax OUTPUT. Both Coax INPUT and Coax OUTPUT should be on the back of the VCR/DVD device. Your going to need an extra Coax wire for this.
The RF modulator probably had a red, white, yellow trio of RCA jacks (A/V jacks), a coax jack marked "antenna" and another coax jack marked "TV"
Putting the DVD output to the A/V jacks allowed it to play out to the TV, which couldn't otherwise accept the DVD player.
The satellite box probably has coax and a/v jacks as output. Use the coax as output to the antenna input of the RF modulator, and the A/V jacks of the DVD player to the A/V jacks of the RF modulator. Hopefully the modulator allows the A/V jacks to have priority over the coax input, so that when the DVD plays it "wins"
OK...try this...plug your RCA cables from your camcorder into the RCA input jacks on the back of the recorder. If you have a VCR, it can be plugged into the coax input on the back of the recorder. Use the coax output and plug it into a RF modulator (about $20 at Wal Mart). Plug the RCA output cables from the recorder into the RF modulator as well (Don't ask me why, but it seems to work on mine). Connect a coax cable from the RF modulator to the TV. Make sure the TV and Recorder are both on the right channel. The RF modulator will have a channel switch to use channel 3 or 4 on the TV. Make sure the recorder is set to E1 (Rear). You can check this with the channel +/- buttons on the bottom right of the remote. Good luck.