Do it at your own RISK - I am not responsible for any loss or damage to your device. You must have soldering iron, soldering wire, little bit knowledge about electric circuits, semiconductors, electronics, soldering experience will also help. Do not blame me if anything goes wrong.
In your STB, there is supposed to be a very tiny capacitor near/between the two input pins for the signals. When occassionally attaching/reattaching the cable or moving the box here and there for dusting/cleaning of the surface(of the table on which the STB us placed on), that tiny capacitor either loses its contacts or get torn off.
I was facing the same problem (intermittent signal loss on set top box on/off) , and after openning the box and checking all components close to the input, i figured out that there was no capacitor on the solder marks near the signal input. (there were solder marks for
C101 but it appeared that something was removed or something got torn off from there (
see 4) ... from those two marks. Also the space was really very tiny to solder a component there..)
So i desoldered a capacitor from a chassis of an old laptop that i had lying around and soldered it in. I first checked where the
C101 contacts led to and foudn out that they form a capacitance between the input and help detection of the signal. One terminal leads to the shell/body and the other leads to the internal pin for the RG7/RG6 input connector.
How I did it?
I also tested my theory by soldering a small thin strands of wire to both sides of the capacitor (
see 3) (that I desoldered from the laptop chassis) and soldering one end of the capacitor to the internal pin (
see 2) and then turning on the set top box, going to menu > Stb info > clicking on red button on remote > finding the signal would come and then disappear and then attaching the other wire (that was soldered to the other end of the capacitor) to the body/shell (
see 1) to see if that is causing the problem or not)
Note: Capacitors are usually light brown colored. Resistors are usually black colored. Also note that the capacitory to be used should be the one which is without any polarity. I think the one with polarity will
NOT work. (Use one from an old chassis of some broken laptop or out of order monitor).
and problem solved.
I used a capacitor that was much larger because it was nearly impossible for me to solder it back to the original place if i found the right size.
Here is the picture
Do it at your own RISK - I am not responsible for any loss or damage to your device.
IMPORTANT NOTE
If the cause of the problem is:
1. Faulty input pin
2. faulty cable
3. Faulty card
4. Bad Dish Alignment
5. Faulty lnb
6. Otherwise damaged box
then this will NOT solve your problem!
I have
Arion Box Model AF-8012H.
Good Luck!