When all television stations began transmitting its broadcast solely in digital it made many different TVs obsolete. This includes the Sony Watchman line of televisions. Because the televisions are analog it is impossible to view content without a converter box. Thankfully, many of the newer Watchman models have a TV "In" port which allows you to connect the required converter box.
Connect the RCA end of the 3.5mm splitter cable into the audio/video "Out" ports on the back of the converter box. You can purchase such a splitter cable at any electronic store.
Plug the 3.5mm end of the splitter cable into the "In" port on the side of the Sony Watchman television.
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Connect the coaxial cable running out of the antenna into the coaxial "In" port on the digital converter box. The antenna built into the Sony Watchman no longer functions properly which is why you need this alternative television.
Power on the converter box and the Sony Watchman. Set the Watchmen to play from the "In" port. You can now continue to watch television on your Sony TV.