TV Antenna

Thread replies: 10
Thread images: 1

Anonymous
TV Antenna 2016-03-13 09:15:43Post No. 961045
[Report] Image search: [Google] [Yandex] [Bing]

File: img_9205.png (271KB, 650x650px) Image search: [Google] [Yandex] [Bing]

TV Antenna Anonymous 2016-03-13 09:15:43 Post No. 961045 [Report]

I have here a broken LNBF (TV antenna receptor). Is it possible to repair it EASILY?

https://en.wikipedia.org/wiki/Low-noise_block_downconverter#LNBFs

>>

Anonymous 2016-03-13 09:18:35 Post No.961047
[Report]

Anonymous 2016-03-13 09:18:35 Post No.961047 [Report]

>>961045
What's broken exactly

>>

Anonymous 2016-03-13 10:29:59 Post No.961070
[Report]

Anonymous 2016-03-13 10:29:59 Post No.961070 [Report]

>>961047
This, OP. Can't tell you if it's a cheap fix if we don't know what's wrong with it.

>>

Anonymous 2016-03-13 15:52:34 Post No.961166
[Report]

Anonymous 2016-03-13 15:52:34 Post No.961166 [Report]

>>961045
assuming the parts are labeled, the only thing you can service in there are the voltage regulators that power the mixers/amps.

either that or the receiver's LNBF power system is what's actually fucked.

>>

Anonymous 2016-03-13 20:03:14 Post No.961297
[Report]

Anonymous 2016-03-13 20:03:14 Post No.961297 [Report]

>>961045
Can you even get bit open without fucking it up? If yes, then pics of the innards.

Also, make sure it's not a bad power supply first.

>>

Anonymous 2016-03-14 03:14:03 Post No.961514
[Report]

Anonymous 2016-03-14 03:14:03 Post No.961514 [Report]

>>961047
>>961070
One transistor melted.

>>

Anonymous 2016-03-17 08:15:43 Post No.963176
[Report]

Anonymous 2016-03-17 08:15:43 Post No.963176 [Report]

>>961166
>assuming the parts are labeled
>labeled

What do you mean by that?

>>

Anonymous 2016-03-17 13:24:39 Post No.963258
[Report]

Anonymous 2016-03-17 13:24:39 Post No.963258 [Report]

>>963176
sometimes the ics/discretes are blank or the labels are too short to properly id

>>

Anonymous 2016-03-17 20:49:36 Post No.963414
[Report]

Anonymous 2016-03-17 20:49:36 Post No.963414 [Report]

>>961166
>either that or the receiver's LNBF power system is what's actually fucked.
See:
>>961514

>>

Anonymous 2016-03-18 06:25:42 Post No.963711
[Report]

Anonymous 2016-03-18 06:25:42 Post No.963711 [Report]

>>963258
The melted transistor is labeled.
But how can I know if this is the only problem in the circuit?
Also, I never replaced a transistor. Is it hard?