Incomplete Auto Scan of the channels

Once the unit finds the channels it will stop scanning.

Refer its user manual for details.
Electro help

It sounds like it is not seeing any signal. Do you have the input set for the proper type? Air or Cable

Check your RF connection to ensure you have a signal coming into your television.

for some reason it is not seeing you cable signal. you will need to make sure you have it set up for cable and not air. check your input options, like tv/av/hdmi/ ect hope this helps

Do a retune to this TV.

Press MENU button on the remote control and select
Install and Retune by using Left or Right button.
Press OK button and the following menu screen
will be displayed

Select Automatic Channel Scan (Retune) by using
Up or Down button and press OK button. Automatic
Channel Scan options will be displayed. You can select
options by using Up or Down and OK buttons.

Auto Channel Scan Menu Operation
Digital: Searches and stores aerial DVB stations.
Analogue: Searches and stores analogue stations.
Full: Searches and stores both analogue and aerial
DVB stations.

Whenever you select an automatic search type and
press OK button, a confi rmation screen will appear
on the screen. To start installation process, select
Yes, to cancel select No by using Left or Right
and OK button.

After auto channel scan type is set and selected
and confi rmed, installation process will start and
progress bar will move along. Press MENU button
to cancel process. In such a case, located channels
are not stored. The television will start to search for
all available stations. You must allow the television
to complete the search.

I stumbled across this feature by accident :-)
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Press the "OK - Enter" button.
Your list of auto-scanned channels will appear.
Key in the channel number. Ex. 101-5
Then press the "Left browse arrow".
The channel number will now appear grayed.
To re-activate the channel just key in the number again and now press the "Right browse arrow".
Use the Up or Down browse arrows to page through the scanned list.

You need to replace the microprocessor. GoodLuck there is 52 pins to unsolder and resolder a new one. The price for the chip may bee about $35

haha.......i am finding this really funny....because i am having that problem to and can figure out how to get it fixed.......

I have experienced exactly the same issue on two Westinghouse sets. Try turning the set off when it reaches 83%. When I turn mine off and back on, it has saved the channels -- at least the ones it had found before it got hung up.