Firstly apologies if this should be in the TV troubleshooting section, if necessary I shall revert back to my original thread but think the original fault has been rectified, namely stuck in Service Mode so reset the Eeeprom.
Anyway, the PSU is as named above and the problem appears to be the 24v rails from power up start off low and gradually rise (backlights flickering) until 22.4v or so has been reached whereas at which point the inverters power up the backlights fully.
This occurs when switched on for the first time after being disconnected from power for a lengthy period of time, after the first power up it will start up near enough straight away if powered down then up straight away, but if left for a short period and then powered up it will turn on (rise to 22.4v quicker) but still with a delay with flickering backlights.
It seems that this would sound very much like a capacitor issue but not entirely sure, hence why I'm here asking for confirmation and perhaps a little help troubleshooting.
With both 24v connectors removed the 24v rail rises straight away no problem regardless of when the Tv was last powered on, but with a load connected, i.e inverters or 2 x 12v car bulbs in series, the 24v rails slowly build up to 22.4v.
There are two 24v rails, one for the inverters and one for audio, both rails do the same as explained above.
I think this pretty much eliminates the inverter boards to be at fault but not sure the SSB can yet be eliminated.
If someone could help me track down the culprit causing this I would be eternally grateful, I don't want to replace all the caps and possibly volt regs as my soldering isn't great and the parts are hard to source so if it could be narrowed down to just a couple of possible components that would be great.
Thanks for your help/advice!
I should add that the Tv once on does fully function.
Anyway, the PSU is as named above and the problem appears to be the 24v rails from power up start off low and gradually rise (backlights flickering) until 22.4v or so has been reached whereas at which point the inverters power up the backlights fully.
This occurs when switched on for the first time after being disconnected from power for a lengthy period of time, after the first power up it will start up near enough straight away if powered down then up straight away, but if left for a short period and then powered up it will turn on (rise to 22.4v quicker) but still with a delay with flickering backlights.
It seems that this would sound very much like a capacitor issue but not entirely sure, hence why I'm here asking for confirmation and perhaps a little help troubleshooting.
With both 24v connectors removed the 24v rail rises straight away no problem regardless of when the Tv was last powered on, but with a load connected, i.e inverters or 2 x 12v car bulbs in series, the 24v rails slowly build up to 22.4v.
There are two 24v rails, one for the inverters and one for audio, both rails do the same as explained above.
I think this pretty much eliminates the inverter boards to be at fault but not sure the SSB can yet be eliminated.
If someone could help me track down the culprit causing this I would be eternally grateful, I don't want to replace all the caps and possibly volt regs as my soldering isn't great and the parts are hard to source so if it could be narrowed down to just a couple of possible components that would be great.
Thanks for your help/advice!
I should add that the Tv once on does fully function.
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