Re: Mitsubishi LT-46249 no audio help
So I found a converter plugged it in and the sound works....nice
So now do I just go with the converter or try to troubleshoot the ic4a02??? Worth it or not??.
My bad on missing the dig out jack...sorry and thanks
Solderjerk
Member
Last Activity: 05-28-2022, 06:44 PM
Joined: 08-15-2017
Location: Mass
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Re: Mitsubishi LT-46249 no audio help
I’ll see if I can dig up a digital converter...i probably have one somewhere in the junk pileLeave a comment:
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Re: Mitsubishi LT-46249 no audio help
So yeah dig out does bypass everything...Leave a comment:
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Re: Mitsubishi LT-46249 no audio help
I was thinking optical but yes that is the back panel and it is rca dig out...I don’t have anything for that I don’t think, but I did plug it into the Bose input and got nothing...of course I don’t have a converter
2 shows surround sound...Last edited by Solderjerk; 11-09-2018, 06:29 PM.Leave a comment:
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Re: Mitsubishi LT-46249 no audio help
No headphone socket
I did...like I said if you look at that pdf I checked pretty much every red line which is the power flow...Leave a comment:
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Re: Mitsubishi LT-46249 no audio help
It doesn't have one...just analog out...Leave a comment:
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Mitsubishi LT-46249 no audio help
I have a Mitsubishi LT-46249 with no sound, video is fine, that I'm runnng out of ideas with
Video is fine, no sound out of speakers ( it has 16 built in speakers
)
Besides all the obvious menu setting I plugged a Bose into the audio output of the tv...no sound. Put the tv in service mode that has a output test to static the speakers one by one...no sound (neither internal speakers and Bose)
Dug up the schematic, see attached, I checked all the hots (red lines)on this drawing and can't find a bad one...V is good everywhere. The audio circuit is part of the main board if... -
Re: Bad panel or tcon TC-L55E50 LC550EUD
Just wanted to follow up in case it helps anyone...
I took lcd out and yes there is a crack and it follows those dead spots to a T. The crack was not visible from the front but very easy from the back.
And a note to everyone, these screens are very brittle, more so than normal. Use caution... I can barely bend it and it cracksLeave a comment:
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Re: Bad panel or tcon TC-L55E50 LC550EUD
I figured that but I can’t see anything in it...and I was super careful dissecting it. I’m so pissedLeave a comment:
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Bad panel or tcon TC-L55E50 LC550EUD
I'm pretty sure I know answer to this but is it a bad panel or tcon?
I'm so pissed off cuz i finished this tv finally and now I'm sure the panel is trashed
Short story in case it helps anyone out. Tv is a Panasonic TC-L55E50. Problem was it would blink the picture a couple times and the nothing, the power light would flash every 4 or 5 secs. Panasonics usually do this with a backlight problem. Took it apart, the panel was LG LC550EUD. Troubleshot any found 4 bad leds out of the 120. Replaced both strips and put back together. Tv fires up and works fine except for that big gray ... -
Re: Schematics for Toshiba 40xv645u
Poked around alittle on the board...r840 is open, as mentioned, and it then feeds ic801 pin 5. Pin 5 & 7 are not shorted. 5 is not shorted to any other pins, 7 is shorted to 8. Ic801 is a mip2f2 ...pin 5 is a d and 7 & 8 are s so that should be ok. That's all I checked, had to leave for workLeave a comment:
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Re: Schematics for Toshiba 40xv645u
Yes that is the same board...
Don't have it front of me right now but I will check it and report back...thanks
Still would like to see a schematic tho to follow it, I'm still learning smpsLeave a comment:
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Schematics for Toshiba 40xv645u
I'm playing with a toshiba 40xv645u power supply board that has no standby voltage. The board is a srv2194ww. I've got voltage up to the bulk cap but after that is where I keep getting lost on how it feeds the standby transformer. I was looking for a schematic but no luck finding one. I like figuring stuff out on my own so I'd like to try a schematic first before I actually ask for some help...anyone have a schematic or service manual? -
Re: New Members - please post your introductions here
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