What is wrong? The HDD and video pictures are pink/purple. The video reception is fine. Is there a not too expensive solution for our two year old machine?

It may be fixable, but would be expensive. Probably time for a replacement - they do not seem to be very expensive second hand.

must you electron tube is result of all these , or try replacing the output ic of the firmware

If the lines are on the images when viewed on the computer then its likely that the cameras sensor is the problem. This is a tricky part to get to as its the heart of the system. Might be time to get a new camera as replacing the sensor will be far more expensive ($150-200+) than a new camera. I had a look on ebay and they are going for less than $50 as they are an old camera now.
Ive replaced my Olympus with a Sony Cybershot W830, 20mp and 8x zoom, direct from Sony for $150.

hi
This is not a tuner problem . The blue color is missing and the cause is the main board if you are handy with tools you could find the part#
printed on he board and find it on ebay

Hi...
Pull out the video cable from both ends.
Re-attach and try again
Let me know

Definitely bad optical block or "light engine".Common with Sony and EXPENSIVE.Some moodels were given an extended engine warranty because of problems ,but NOT this model.

Bad video and/or convergence circuit. Get serviced

I have the same issue, Although My camera is a samsung N46, It was working perfectly the night before, then my friend switched it on and it came up with a black backround and pink + purple vertical lines going through it.

Which channels? Tuners are divided into bandwidths-----
2-6 is V low, 7-13 is V high and so on.If say, 2-6 acts up, but
7 thru 13 never does,then the tuner is bad.
This solution assumes that video inputs were ok......T.

It is called 'purple fringing' or chromatic aberration. It is quite common with digital cameras, especially those with small sensors. Sending the camera in for repair would not help at all. It can be removed, quite labouriously, in photoshop. Usually it is very seldom so obvious that it would require corrective work. When it is, it is often only in a small part of the image making it not that time consuming to fix in photoshop.