It could still be the same mechanism if something is marginal to start with.. For example 99% production work OK, but with say 10% drift, about 10% fail.
Agreed. In my case (and some others), the problem became slowly worse over a period of years. This is not typical for digital components, which tend to either work or not. Again, my problem went away following a TV change, but has recently started giving short bursts of green screen when...
Early results of 'scope probing over the Xmas break.
Tuner 1 FT2115 Antenna in, Tuner 2 FT2116 loop through r/f out.
Pin 1(r/f out) of tuner 1 is directly connected to pin 1 (r/f in) of tuner 2
providing loop through which is working. As the centre pins of the sockets are not directly...
Just to confirm:
1. The signal strengths and quality shown when manual searching are genuine, not remembered - they vary when the aerial signal is attenuated or disconnected.
2. Pass through works fine.
3. Secret menu shows no signal on tuners 1 and 2.
4. 5 volts are present on pins3,5 and 10 as...
Poking about with a voltmeter, pin 5 is tuner 5v supply, which appears for about 15 seconds, then drops to zero. Perhaps this is enough to get the initial strength, but then gets turned off almost immediately. More work required.
IGNORE Red Herring.
Thanks for the interest. I have already tried all the above , but no change.
The basic part numbers are the same yellow label FT2115 21933720 SV2111 and orange label FT2116 21933730 SV2111, followed by 9 other digits, presumably serial numbers/date codes.
I have completed the substitution of both tuners with spares kindly supplied by BH - many thanks. This is not an easy task and is not recommended without specialist tools and lots of patience.
I still have a problem. When attempting a manual tune, the selected muxes show around 60% strength and...
I wonder if, before I attempt any surgery, it is worth reloading the firmware from scratch. The logic being that there may be more corruptions lurking elsewhere.
Having examined the board, a tuner transplant looks to be do-able, with a good solder removal tool and a little patience. I may look...
That was the things I checked. I have since completely stripped out the main board . There is no visible signs of damage except for the antenna out socket.
I am not surprised that the tuner was damaged by providing a soft landing for the falling picture frame, but was puzzled that the coms and Sysmon were corrupted. They were both working the day before..
I had checked the signal strength by the hidden menu and not surprisingly, no signal was...
I think that I may have killed my machine.
Yesterday a picture frame fell off the wall and crash landed on the cables at the back of the T2. Later on when I powered up, I got the message missing or encrypted signal on all channels. Looking at the aerial sockets I noticed that the antenna out...
It could still be the same mechanism if something is marginal to start with.. For example 99% production work OK, but with say 10% drift, about 10% fail.
Agreed. In my case (and some others), the problem became slowly worse over a period of years. This is not typical for digital components, which tend to either work or not. Again, my problem went away following a TV change, but has recently started giving short bursts of green screen when...
Early results of 'scope probing over the Xmas break.
Tuner 1 FT2115 Antenna in, Tuner 2 FT2116 loop through r/f out.
Pin 1(r/f out) of tuner 1 is directly connected to pin 1 (r/f in) of tuner 2
providing loop through which is working. As the centre pins of the sockets are not directly...
Just to confirm:
1. The signal strengths and quality shown when manual searching are genuine, not remembered - they vary when the aerial signal is attenuated or disconnected.
2. Pass through works fine.
3. Secret menu shows no signal on tuners 1 and 2.
4. 5 volts are present on pins3,5 and 10 as...
Poking about with a voltmeter, pin 5 is tuner 5v supply, which appears for about 15 seconds, then drops to zero. Perhaps this is enough to get the initial strength, but then gets turned off almost immediately. More work required.
IGNORE Red Herring.
Thanks for the interest. I have already tried all the above , but no change.
The basic part numbers are the same yellow label FT2115 21933720 SV2111 and orange label FT2116 21933730 SV2111, followed by 9 other digits, presumably serial numbers/date codes.
I have completed the substitution of both tuners with spares kindly supplied by BH - many thanks. This is not an easy task and is not recommended without specialist tools and lots of patience.
I still have a problem. When attempting a manual tune, the selected muxes show around 60% strength and...
I wonder if, before I attempt any surgery, it is worth reloading the firmware from scratch. The logic being that there may be more corruptions lurking elsewhere.
Having examined the board, a tuner transplant looks to be do-able, with a good solder removal tool and a little patience. I may look...
That was the things I checked. I have since completely stripped out the main board . There is no visible signs of damage except for the antenna out socket.
I am not surprised that the tuner was damaged by providing a soft landing for the falling picture frame, but was puzzled that the coms and Sysmon were corrupted. They were both working the day before..
I had checked the signal strength by the hidden menu and not surprisingly, no signal was...
I think that I may have killed my machine.
Yesterday a picture frame fell off the wall and crash landed on the cables at the back of the T2. Later on when I powered up, I got the message missing or encrypted signal on all channels. Looking at the aerial sockets I noticed that the antenna out...
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