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Sharp LC-40LE341S - HDMI Issues & Software Update Help Needed

LK0711 2997 9
Best answers LABEL_AI_GENERATED

How can I fix Sharp LC-40LE341S HDMI ports that no longer work, and is a software update likely to help?

A software update is probably not the fix; the HDMI fault is being treated as a hardware problem on the main board. One reply says that if the set uses a 17MB70 board, the issue is likely BCM3556 reballing, and that SIL9287 may also be damaged [#18518817][#18519286] Another reply identifies a specific 17MB70 board variant for LC40LE340/343 and recommends replacing the whole board instead of chasing firmware [#18519839] The discussion also concludes that reballing the chips is the only real option mentioned [#18521091]
AI summary based on the discussion. May contain errors.
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  • #1 18516460
    LK0711
    Level 2  
    Posts: 2
    Hi!

    My TV's HDMIs have stopped working; I think it's the software that needs updating but it's refusing to do so itself, either from internet or channels. I found this thread here which is about the only place on the whole internet which seems to acknowledge its existence(!) but for some reason it won't give me access to the file or even let me log in, so I wanted to ask if anyone please could be so kind as to help me get my hands on this file so I can get my TV working again? I'd be ever so grateful! :D
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  • #2 18518665
    bartekke
    Level 23  
    Posts: 507
    Help: 62
    Rate: 75
    I have from LC32LE340E, I can share. The LE341 model was not sold in Poland.
  • #3 18518684
    Aquario_blue
    Level 19  
    Posts: 277
    Help: 41
    Rate: 155
    The requested file attached
    Attachments:
    • LC-40LE340E_Software_Version_V-0-12-3.zip (32.75 MB) You must be logged in to download this attachment.
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  • #4 18518817
    GanCegall
    Level 38  
    Posts: 4281
    Help: 339
    Rate: 1631
    LK0711 wrote:
    I think this software needs updating,

    And I think not. If there is 17IPS70 (you did not enter it then I shoot) it is just reballing BCM3556.
  • #5 18519286
    bartekke
    Level 23  
    Posts: 507
    Help: 62
    Rate: 75
    GanCegall wrote:
    If there is 17IPS70 (you did not enter it then I shoot) it is just reballing BCM3556.


    A spelling mistake should be 17MB70. 17IPS is the power supply designation.
    I agree with BCM3556 reballing, but SIL9287 may very well be damaged.
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  • #6 18519778
    GanCegall
    Level 38  
    Posts: 4281
    Help: 339
    Rate: 1631
    bartekke wrote:
    A spelling mistake should be 17MB70

    That's right, my error should be 17MB70-5P exactly, thanks for the correction.
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  • #7 18519839
    bartekke
    Level 23  
    Posts: 507
    Help: 62
    Rate: 75
    For LC40LE340 / 343 there is a board with the designation 17MB70-DPB1222P291C121312142. P / N 23021307
    I suggest replacing the whole disc.
  • #9 18521091
    GanCegall
    Level 38  
    Posts: 4281
    Help: 339
    Rate: 1631
    Only the exchange of balls, there is no other option, as usually the author founded the topic and disappeared ...
  • #10 18523444
    LK0711
    Level 2  
    Posts: 2
    GanCegall wrote:
    Only the exchange of balls, there is no other option, as usually the author founded the topic and disappeared ...

    I didn't disappear, I just wasn't around and the notifications ended up in my junk folder for some reason, so I didn't know anyone had replied. So, sorry, and thanks for the help!
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Topic summary

LABEL_AI_GENERATED
The discussion revolves around HDMI issues with the Sharp LC-40LE341S TV, where the user suspects a software update is needed but is unable to access the necessary files. Responses include suggestions for troubleshooting, such as checking for specific board designations (17MB70) and potential hardware issues like reballing the BCM3556 chip. A user provided a link to a relevant resource, and there were discussions about component replacements and the importance of addressing the hardware faults. The original poster later clarified their absence from the discussion due to missed notifications.
AI summary based on the discussion. May contain errors.
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