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Hook up Diagrams Index : Cable hookup digital cable and TV

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Connect your HDTV with Digital Cable Box, AV Receiver.

Surround Sound

Audio Video Cable Types - Definitions

Composite Video:
An analog interface that uses a RCA style plug connection for 1 video (Yellow) connectors and jacks. It is also called Baseband. Composite only supports displaying video in 480i. High-Definition is not supported. A Composite connection will provide better video quality than an RF connection. The yellow composite video connection is used for VCR and standard TV hookups as well as other video connections such as a camcorder to a TV. Typically you will use 2 Audio (Red and White) connectors and jacks to provide the analog sound as the yellow connection is only video.

Component Video:
An analog interface that uses a 3 wire connection for 3 components of the video (Red, Green, Blue). It is also called YPbPr. Component supports displaying video in 480i, 480p, 720p and 1080i. High-Definition is supported. An audio connection can be completed by using the Composite audio connections or SPDIF connections.

HDMI (High Definition Multimedia Interface):
A digital interface that uses a multi-pin connection for video and audio. HDMI supports video in 480i, 480p, 720p and 1080i / 1080p. High-Definition is supported. The HDTV must support HDCP, otherwise the screen will be blank, without audio. Video between DVI-D and HDMI ports is compatible with a physical adapter, but audio would need to be connected separately. Generally HDMI is replacing DVI as a video interface.

HDCP (High-bandwidth Digital Content Protection):
A specification applied to DVI and HDMI connections to provide content protection over the digital connection. TVs must also support HDCP to be connected to the Receiver by DVI or HDMI. No audio or video will be available through the DVI/HDMI connection if the TV does not support HDCP.

SPDIF (Sony Philips Digital Interface):
A digital audio connection using either a coaxial connection with RCA connectors or an optical connection (Toslink) using multi-mode fiber. SPDIF supports stereo and surround sound (Dolby Digital, DTS) audio in a six channel (5.1) format.

Uses a 4-pin or 6-pin connector. 1394 supports video in 480i, 480p, 720p and 1080i. It also carries audio. The IPG (Interactive Program Guide) is not supported in the 1394 specifications for video streaming. Therefore, 1394 is not recommended for use as a primary display interface. It can be used in archiving content to 1394 Digital VCRs.

Audio Video Cables and Connections

How to hook up HDTV with Digital Cable box, Surround sound and VCR

This hookup diagram shows a HDMI connection from a digital cable TV box for High Definition TV. If your HDTV is not HDCP compliant, you have to use a component video hookup for High Definition. HDMI hookups require a HDCP compliant digital TV. This is for content protection. Component video is analog but a digital TV will convert the signals.

The surround sound is output from the cable box to the AV receiver for processing and output to the loudspeakers. A digital audio coaxial audio cable is used or you can use an optical cable. Dolby Digital 5.1 audio can be output. A VCR takes composite video and audio input from the cable box and outputs to the AV receiver. The monitor video output from the AV receiver to the HDTV composite video input allows standard definition video from the VCR. The sound from the VCR is output to the loudspeakers.


o Cable TV signal source IN.
o Digital Cable TV converter box.
o HDTV set such as a plasma or LCD display with NTSC, QAM and ATSC tuners.
(720p, 1080i or 1080p)
o Two sets of Audio/Video RCA cables.
o One HDMI cable.
o One digital audio cable (coaxial or optical).
o Loudspeakers - Left, Right, Center, Left surround, right surround and sub-woofer.
o One Audio/Video receiver with DTS and/or Dolby Digital 5.1 capability.

With digital cable and HD cable subscription service you can get High-Definition programs on your HDTV. Some people have complained that their analog channels do not look quite as good as before when they had analog cable only. To solve this problem, use a splitter and route the signal directly into the HDTV. This way the converter box is eliminated from the signal path.

Unscrambled analog channels do not need to be sent to the cable box if you are just going to view them. Why do analog channels look worse? There are several reasons but one of them is that they are converted to digital before going to the HDTV and this analog to digital conversion creates video "noise" where there was "noise" in the original analog signal. Analog signals pick up noise during the trip over the transmission lines and the digital sampling reproduces this when converted to digital. Why does it have to be converted to digital? Well, for one reason, so the DVR (digital video recorder) can record the TV show on disk in a digital format and play back when you desire to see the TV show. 

Why would you want this configuration?
To view High-Def TV shows and route the audio to the loudspeakers.

What can you do with this configuration?

o Play a TV show that you recorded from cable TV, 
o Record a TV show
o Watch HDTV only
o Listen to audio thru loudspeakers

What settings do you need for this configuration?
o The TV will need to be set to the proper input to see HDTV channels or VCR output.
o The AV Receiver will need to be set to the proper selection source to output sound.

Audio Video Connections Explanation

1. TV signal source to Cable Box is RG-6 cable connected to RF input jack on Cable Box.

2. Output from Cable Box to HDTV is HDMI cable from HDMI Out port on cable box to HDMI In port on HDTV.

3. Audio is sent from the digital audio Out port on the cable box to the AV receiver's digital audio In port by digital audio RCA coax cable or Toslink optical cable for surround sound from 6 loudspeakers. AV receiver must be Dolby Digital 5.1 capable.

4. VCR is provided input, audio and video, from cable box composite outputs (yellow, red, white) to VCR composite inputs. Set VCR to LINE input.

5. VCR sound is sent to AV receiver composite inputs much like a CD player might be connected so audio can be amplified and sent to loudspeakers.

6. Video from VCR is sent to AV receiver and connected to TV by a yellow composite video cable. AV reciever MONITOR out port to HDTV composite video input port. Select proper input on HDTV to see VCR output.

Digital Audio - Surround Sound

Surround Sound requires 5 loudspeakers and a sub-woofer (bass), an Audio/Video Receiver with Dolby Digital 5.1/DTS 5.1 decoding capability and a input source such as a digital TV signal or DVD-Video plus a connecting cable from source to Receiver. Connect the input source (digital cable box, satellite box, broadcast digital TV, DVD player) Digital Audio OUTPUT to the A/V receiver's Digital Audio INPUT port.

RCA digital audio cable. Coaxial digital audio cables are used to pass a digital bitstream from a source to a processor which separates and decodes the individual audio channels making up Dolby Digital 5.1, 6.1, 7.1 or DTS 5.1, 6.1 audio formats. With the advanced audio formats such as Dolby True HD, you need an HDMI cable connection with at least HDMI version 1.3 capability built-in to the processor.

See more...
Cable hookup digital cable and TV
HDTV Basic Setup

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see also: 

Audio Video Connections

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Video Connections Diagrams

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