Columbia ISA
Audio – Video
See over 100 hookup diagrams : see also Cable hookup digital cable and TV

How to Hookup a Digital Cable Box to Analog TV

This connection involves a Digital Cable TV box and Analog TV. Cable box is not a High-Def box.

Note: Must have Digital Cable TV Service. This service usually has music channels, movies, pay per view and video on demand in addition to all the standard channels.


o Digital Cable Service
o Analog TV with VHF/UHF antenna input and RCA audio/video inputs.
o Digital Cable box
o RF signal splitter
o Audio/Video RCA cable (1-yellow, 1-red & 1-white audio).
o RF coaxial cables (RG-6).


• Analog TV older model.
• built-in speaker
• A/V inputs, including:
• RF input for antenna/cable signals.
• A/V inputs for video and audio signals.


Audio/Video Composite - x1 (RCA)
RF Antenna - x1 (Coaxial)

Audio/Video Composite - x1 (RCA)
RF (TV Out) - x1 (Coaxial)

Remote Control Yes
Power Requirements 120VAC, 60Hz

Hook up DIAGRAM - Analog TV, Digital Cable box

Cables Connections and explanation:

Digital Cable TV service is used to receive TV signals.

1. Connect a coaxial RF cable from cable TV RF wall outlet to Signal Splitter input.

2. Connect a coaxial RF cable from one output of the splitter to TV antenna input.

3. Connect a coaxial RF cable from second splitter output to the RF input of the cable box.

4. Connect RCA video and audio cables from cable box RCA outputs to TV RCA input jacks.

Why would you want this configuration?

o To view TV shows including digital and analog channels.
o To view analog channels without using the cable box.

What can you do with this configuration?

o Watch TV.

What settings do you need for this configuration?

The analog cable-ready TV is set on channels 2 thru 99 if watching without the cable box. Some analog channels can be omitted from the digital cable box setup so not using the cable box may allow access to these channels. When digital channels are to be viewed, you must use the cable box and the TV is set on the video input connected to the cable box outputs. This can be VIDEO 1 or some other name depending on your model TV. Consult owner's manual here. Digital Channels are selected on the cable box using the cable box's remote. Digital channels are typically channels 100 thru 999.

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