CurtPalme.com Home Theater Forum

[azzkicker]

hi
i have an problem and dont no how i can fix this prob

the green tube flickers somtimes and mute a little bit sometimes, when green is muting then the green picture is not sharp

1:

i have sometimes these flickering lines on screen
see the DSCF0010.JPG


2: when i move this board from neckboard

see pic problem pic


3 see this newprob.jpg

i think here are bad conenctions

what can i do

many thx

[azzkicker]

hi again

i have chanegd the neckbords from green to red and from red to green

move i the board now on red tube the flickering comes on the red tube, but no muting on the red tube

green tube muting with red neckbaord installed, can here an failure form the black wire that goes into the neckbaord?

blue tube and red working fine when i totter a little bit on the wires

green tube muting is with akb enabled or disabled

many thx

[Curt Palme]

I am guessing one of your ribbon cables is bad. That can cause picture muting.

[Curt Palme]

I am guessing one of your ribbon cables is bad. That can cause picture muting.

[azzkicker]

hi

@curt what you mean about the ribbon cable?

the neckbaord has 4 cables

the flatcable
the red cable comes from focusblock
an 12 x plug
and an black cable

wich is the ribbon cable?

when i totter on the flatcable is do nothing

and whats about the flickering lines?

many thx

[Curt Palme]

THe flat cable is the ribbon cable. Try swapping that between tubes.

[Curt Palme]

THe flat cable is the ribbon cable. Try swapping that between tubes.

[speedyandre]

The black coax can be a bit out of shape (not round).
The connector on the neck board has 2 parts, the outer zone (0V) and the inner zone which can move a bit when you try to connect the coax.
Try to move the white center to the middle of the connector.
I had the muting problem only with the modded neck boards and ABL enabled, after 30 minutes the blue and green picture totally faint away.
Rogue let my try to place a resistor in place of a wire between the mod module and the neck board and this works, no muting anymore with ABL enabled/
One of the problems after switching neck boards was picture muting of blue, the silver flat cable to the back of the 1292 was the problem, mounting it back to front did help.

André

[azzkicker]

what can i do with the flatcable?

change blue flat to green neckbaord?
and the connector for the black coax?

my english is not so good

many thx

[azzkicker]

hi

i have changed the flatcables from green to red, and red to green and turn them on 180°
i opened the cardcage and look at all connectors, i see that the the 13 x plug was placed diagonally on the baord in the cardcage, i hope thats was the problem for muting the green tube


the flickering is always here when i move the pc board from the neckboard, hold the pc board in a certain position, the flickering is gone, move the pc board from the neckbaord into another position the flickering comes

regards

[speedyandre]

I know that Rogue has tested the modded neck boards for a long time, so I suppose the problem is not in the neckboard but in cables attached to it.
Did you check that the red wire is connected and locked, not a bit loose in the socket?
The black video coax also can be a bit out of shape, maybe it doesn't go as deep in the pcb socket as the others.

André

[azzkicker]

@ speedy


read this

the red neckboard is installed to the green tube, hold the board and totter an on cables, no problem

problem is only when i move the board where goes the flat cable and the black coax cable a little bit right and left
so i think here is an bad connection between the two pc boards from the neckboard


put the red neckbaord on the red tube is the same failure, as when i put the red neck on the green tube


is the green neck on green tube here is only the green tube muting sometimes a little bit and the image is not sharp but no flickering

i think here is the prob the not correctly plug in the cardcgage

regards

[RogueChili]

Yes, much testing was done however testing in the lab environment is much different than implementing in the field. The field environment is riddled with unforeseen variables making it very difficult to integrate these types of modification. Another issue is the risk of damaging components / cables during the modification process. For these reasons the release of the modification is progressing very slowly. There is nothing worse than to have a significant number of mods installed in the field then find out there is an inherent design flaw.

That being said, I originally suspected the mod was causing the muting however after troubleshooting with azzkicker it looked more like a bad cable connection. We have spent a great deal of time swapping parts around, cleaning contacts, and seating neckboards however have not yet been able to isolate the cause. I am leaning toward a cold soldering joint on one of the neck boards but hopefully the discovery of the partially inserted connector proves to be the culprit!

[azzkicker]

hi

muting problem from the green tube is gone after make the 13 x plug in the cardcage for the green neck into good position


the flickerproblem is here always when i move the pcboard from the neckboard where goes the black coaxcable and the flatcable

hold the pcboard in position and totter on all cables/wires no problem

i look at all connections and solderpins, i found nothing.

i dont know where is here the prob when i move the board


regards

[azzkicker]

hi

after installing an other red neckbaord from oliver k the failure is on red tube visible

totter/move a little bit the black coax cable the flickering comes

totter7move the black coax cable on green tube, green mutes only a litte bit

i hate this

what can i make with this damn black coax cables?

regards

[azzkicker]

hi

the faulire maks me crazy

i have installed on other red neckbaord on red tube, no failure install old modded neckbaord, failure is here

the failure is only at green tube yet

see the pic i make this connection

then the failure is gone


why i have there no problems when connected only the videosignal without the ground


connected the black coaxcable in the connector on neckbaord the flickering is here


regards

[speedyandre]

I suppose Rogue has to seperate the 2 pcb boards from each other to be able to mount the mod module.
The 2 boards are connected with 2 sturdy long pin connectors, both have never been loose before until the mod was done.
When placed back I can imagine that these 2 connectors can be a little bit dirty/corroded or the contact joints suffer of all (dis)assembling work being done.
Because you say that when you keep the pcb board in a certain position it is possible that both long connectors are fine but not when you don't turn one pcb board a bit.
Also the fact that moving the coax and flatcable doesn't cause problems when this pcb board is held in one position makes me think that the problem is in (one of) the 2 connectors.

André

[azzkicker]

hi

i have ordered an other green neckbaord

will see of the failure is gone with other neckbaord

other red neckbaord works great without failure


so i think this failure comes with the mod installation

before i have no trouble with all tubes


regards

[azzkicker]

hi again


i have installed 2 other neckbaords, red and green

no failure at this time


so where is the prob with the anti streak mod, when installed on the two boards

blu neckbaord with the mod makes no problem

only green and red

i have checked all solder connections from the modboard i found nothing

what can i doo

regards

[RogueChili]

Well guys, it looks like the mod is a failure having the potential to create a serious side effect (flicker). The installation of the stock boards eliminate the flicker so that rules out the bad conneciton theory. Why the mod fails only on the red and green is unknown at this time. I can't duplicate it on either of my 1292's to date. In any case, it looks like further development is required before release.

[speedyandre]

I didn't have flickering, only muting on green and blue with ABL enabled.
Both now work fine with a resistor between one of the pins of the mod board and the neck board.
Maybe we can find out what neckboard type has problems.

André

[RogueChili]

Yes, good thinking, the boards may be a different revision. Azzkicker is sending me the red and green neck board assemblies to test in my machine. Hopefully I will experience the same flickering problem and then detremine the cause.