Service manuals, schematics, eproms for electrical technicians
HISENSE 2940D-1-
Type: 
(RAR)
(RAR)Size
407.0byte
407.0byte
Page
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Category
TV
EPROM
TV
EPROM
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- Also known:
HISENSE 2940D1 2940 2940D
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Dear all,
this TV, Hisense H60N5705 installed in a conference room, turns off automatically a few minutes after being switched on.
The problem started to occur suddenly, during a video conference. It was switched on with the remote control, continued to work for a while and then switched off again.
The room technician changed the power cable (?), the HDMI cable (??) but the problem of course remained.
I asked if it changes anything by connecting the TV to another source but, even if it is left on the OSD menu, it stays on for a few minutes and then switches off.
So they took the TV (a 60’ which is not easy to handle) to the lab and asked me to check it.
I still have to open it up, but I don't have the schematic diagrams and should proceed by trial and error, although I imagine a problem with the power supply stage.
How do you suggest I proceed, since I don't do TV but RF ?
Thank you for any help,
Best
Maximus
this TV, Hisense H60N5705 installed in a conference room, turns off automatically a few minutes after being switched on.
The problem started to occur suddenly, during a video conference. It was switched on with the remote control, continued to work for a while and then switched off again.
The room technician changed the power cable (?), the HDMI cable (??) but the problem of course remained.
I asked if it changes anything by connecting the TV to another source but, even if it is left on the OSD menu, it stays on for a few minutes and then switches off.
So they took the TV (a 60’ which is not easy to handle) to the lab and asked me to check it.
I still have to open it up, but I don't have the schematic diagrams and should proceed by trial and error, although I imagine a problem with the power supply stage.
How do you suggest I proceed, since I don't do TV but RF ?
Thank you for any help,
Best
Maximus
Tisztelt kollégáktól szeretnék segítséget kérni, Kedves tulajdonos úgy gondolta firmware frissítésbe kezd ezen a tv-n de nem volt kellően körültekintő, nem bele valót töltött fel rá, azóta a készülék azon kívül, hogy ha az érintő gombhoz érve csipog semmilyen életjelet nem ad,
A main típusa :RSAG7.820.5870/ROH
Az lenne a kérdésem, aki, akik találkoztak már hasonló esettel, hogy van mód lehetőség életre kelteni, vagy szobadíszként lehet kerülgetni.
Esetlegesen hogyan lehet firmware-t frissíteni benne hogy újra működjön ?
A main típusa :RSAG7.820.5870/ROH
Az lenne a kérdésem, aki, akik találkoztak már hasonló esettel, hogy van mód lehetőség életre kelteni, vagy szobadíszként lehet kerülgetni.
Esetlegesen hogyan lehet firmware-t frissíteni benne hogy újra működjön ?
A címben említett tv ki írja a logót majd újra indul és ezt ismétli folyamatosan. Flash hibára gyanakszom, ezért keresnék mentést hozzá 25q16 spi flash lakozik benne. RSGA7.820.50001 mainbord.
Válaszokat köszönöm előre is.
Válaszokat köszönöm előre is.
Hi
got the red flashing standby light,2 blinks
tried power off,with power button hols,and reboot,but no luck.
I guess board has fault,not sure where to start on checking board for fault
any help appreciated
ta
got the red flashing standby light,2 blinks
tried power off,with power button hols,and reboot,but no luck.
I guess board has fault,not sure where to start on checking board for fault
any help appreciated
ta
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