Sony XR-77A80J OLED 5 Blink
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Re: Sony XR-77A80J OLED 5 Blink
maybe less or more depend on yours luck..
you have OLED Cells shorted on the Module... if the short went out... the screen will light complete pattern... its look that the you have blue cells line had short , as you don't get blue.... only 2 lines white... mean at the white lines the blue worked but they are shorted with red and green.. do displaying white... RGBComment
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Re: Sony XR-77A80J OLED 5 Blink
but the V to OLED driver which go to T-CON will be different depending on TV size and how much OLED cells build in module ans how much currents they needComment
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Re: Sony XR-77A80J OLED 5 Blink
Fire also should be something say before hand lol I was not ready. But no fire. And okay on voltages
The white lines in the middle? Yea they show up and leave randomly. It just cycles the picture shown. Red white green blue back and fourth with small white line randomly in middle of full screenLast edited by EazyBone; 10-27-2023, 11:50 AM.Comment
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Re: Sony XR-77A80J OLED 5 Blink
well from my experiences its Module... but the way the line it show from left to write... its T-CON responsible on it... if the lines from top to downside then 100% module... take the risk and replace t-con if its cheap LOLComment
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Re: Sony XR-77A80J OLED 5 Blink
Will do, tcon ain't that expensive thank youComment
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Re: Sony XR-77A80J OLED 5 Blink
by the way... inspect all 4 ribbon cable under loop from both sides... who knows could some play with them before and damaged them,,, just in case
Note important.. after inspecting you should put them back at same order before... to avoid later line light in imageComment
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Re: Sony XR-77A80J OLED 5 Blink
I did look at those as well. I even cleaned them off, appreciate that. Owner did say he didn't do anything at all, looks like had never been opened before. TCON like $45 so gonna go with that option. Thx for all info diah, davi, Sony. This one will go on the wall if it's fixableComment
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Re: Sony XR-77A80J OLED 5 Blink
so do you think he measured 24.0V LOL
if you want to know exact V. the PSU should be stand alone with out any load.. just it alone on tableLast edited by Diah; 10-27-2023, 12:52 PM.Comment
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Re: Sony XR-77A80J OLED 5 Blink
he got V on pin labeled 24V. doesn't mean its 24V LOL... 21-23 V all will be called found V on 24 PIN... at the end mean PSU 100% fine same in this threat..
so do you think he measured 24.0V LOL
if you want to know exact V. the PSU should be stand alone with out any load.. just it alone on tableComment
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Re: Sony XR-77A80J OLED 5 Blink
1-3 tcon 12v
4-18 is grounds 19-30 evddLast edited by EazyBone; 10-27-2023, 03:58 PM.Comment
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Re: Sony XR-77A80J OLED 5 Blink
its fine.
you can let the tv in original all cable plugged in... lvds etc ribbon... only the socket evdd disconnect it from power boards side then turn on... tv should start and you have the audio optic port lit red and remain on.Last edited by Diah; 10-28-2023, 02:43 AM.Comment
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Re: Sony XR-77A80J OLED 5 Blink
if you look on the LVDS down one ( which you disconecct it before and TV remain ON.with black screen ) there are test points ( EVDD_RESET ) this points go high to round 3.3V at time the Tv shutting down because of the SOS signal.
if this points jumper to chassis to remain always low the TV will remain on and you could see the screen on... but in which condition this is the questions..
so if the the points go high.. mean EVDD at the module had short cells tooComment
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Re: Sony XR-77A80J OLED 5 Blink
The only way TV turns on as normal is if I disconnect the bottom lvds from main to tcon. Any other combinations of cable disconnect does not allow TV on and throws error code. Gonna report back once I get tcoj on Tuesday and then test voltages. Thx
Edit I reread your message and you realize that cable disc keeps on lol. But yes I'm gonna wait since it's on the way anyway. Let's pray to the panel gods that it's the TCONLast edited by EazyBone; 10-28-2023, 10:35 AM.Comment
Related Topics
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by thelankanguyThe TV shows a black screen with no image.
TCON ribbon connectors were disconnected individually for image and there was no half image even.
Later both ribbons were disconnected and TCON voltages were tested.
12V, 3.3V, 1.8V were seen present but VONE signal reads 0V.
There is also a short to ground in this circled inductor.
Is this a TCON issue or something else ?... -
by bbrainHi,
I have this problem with my Sony 55' AG9.
It flashes 4x.
I have found the service manual, and seems it is the TCON.
Before I buy a TCON can someone check the vid?
Thanks in advance!... -
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