dm800se tuner failed

tinial

Senior Member
Messages
122
goodmorning at all,
I have a dm800se clone brand new,but it shows me tuner failed in most of frequencies.I controled the lnb with vu+solo and the signal is ok,in dm800se only the frqeuencies of rai,rai premium etc.are working in dvb-s.I changed the image but the same also with gp3 posted from ramimaher.Can someone help me?
 

Ferret

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Hello mate what is your dish LNB configuration ?

Motor ? Multi LNB ?
 

rizwanawan

Senior Member
Messages
297
Configure your Tuner setting and Disec if you have , Then sacn the sat again. I think you are using pre-install channel list
 

tinial

Senior Member
Messages
122
the lnb configuration is ok,because it works very well with vu+solo,dual 13'+16' and the signal on vu+solo is ok,but in dm800se only few channels like Rai frequencies are working.tuner bcm4505 and the green light inside is not pulsing.Brand new box but I think the tuner is faulty and is not working at all.
 

Ferret

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Well what i can tell you is any DMM box that is using a switch with multi lnb can be problematic.

The DMM range just do not get on with all make of switches its cover frequently on here and because your VU works make no difference to what works on a DMM box.

Not saying this is your problem but it an area id look at if i had your problem.
 

BM300

Super VIP
Messages
886
Well what i can tell you is any DMM box that is using a switch with multi lnb can be problematic.

The DMM range just do not get on with all make of switches its cover frequently on here and because your VU works make no difference to what works on a DMM box.

Not saying this is your problem but it an area id look at if i had your problem.

Just to confirm your point, I used various types but got good result with this inexpensive 1x10 type

Diseq10_GD-10A_small.jpg
 

Ferret

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I use spaun never had a problem, some monoblocks just wont work either due to switches inside them the DMM just refuses to work with.

Its not about this price you pay for a switch its if the picky DMM likes it :D
 

tinial

Senior Member
Messages
122
I used another dm800 hd pvr and all is ok with the monoblock ,I mean with the same which work vu+solo and don't work dm800SE, strange things,never happen before.but I think tuner is gone

Sent from my LT26i using Tapatalk 2
 

Ferret

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Have you tried manual scans on those 2 sat if that does not clear the problem, you've solved it yourself then by process of elimination your tuner is toast.
 

tinial

Senior Member
Messages
122
Have you tried manual scans on those 2 sat if that does not clear the problem, you've solved it yourself then by process of elimination your tuner is toast.

yes ferret,I tried also the manual scan,blind scan and all.only these channels of rai....and some channels of eutelsat,couple of 10 channels.I have to change the tuner.

thnx to all of you for supporting
 

BM300

Super VIP
Messages
886

Before changing your tuner, try connecting ypor box to the dish directly (without a switch).
If it works, it may be the switch.
 

BM300

Super VIP
Messages
886
Hello Friends,

Back to the Issue of Tune Failed.
Everything was runing smoothly over the past year or 2 on my DM800se.
Then the Tune Failed message started to show up when chnging chnnels beween satellites.
When on the on the same satellite, the channels show up fine but when they are on another satellite, they tuner dos not lock.
If I go to setup menu and tuner configuration, then back to the same channel, it shows up.
Changed the Diseq switch and the power supply but the problem is still there.
So it is most likly to be the tuner.

Could someone please remind me of which component needs chcking on the tuner or the motherboard.

I have seen this problem mentioned on various sites but cannot remember the solution.

Thanks.​
 

Ferret

Marching On Together !
Staff member
Administrator
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17,546
Hello Friends,

Back to the Issue of Tune Failed.
Everything was runing smoothly over the past year or 2 on my DM800se.
Then the Tune Failed message started to show up when chnging chnnels beween satellites.
When on the on the same satellite, the channels show up fine but when they are on another satellite, they tuner dos not lock.
If I go to setup menu and tuner configuration, then back to the same channel, it shows up.
Changed the Diseq switch and the power supply but the problem is still there.
So it is most likly to be the tuner.

Could someone please remind me of which component needs chcking on the tuner or the motherboard.

I have seen this problem mentioned on various sites but cannot remember the solution.

Thanks.​

I remember you posting a couple of options mate im looking for the second

This is the first im just not sure it will cure your issue

http://www.sat-universe.com/showthread.php?t=227129
 

BM300

Super VIP
Messages
886

Thanks for your reply my friend.
The tuner is BCM4505 and was working fine until this problem came up.
I wonder if the sultion of adding a capacitor will solve the problem.
Will keep you posted.​
 
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