Question about RCA L46WD22 Television
The sound cut out of our 5 month old RCA. We were all in the next room so the settings were not compromised. We've made sure that mute is not on, unplugged the unit/cable box, checked the sound on cable box, tried adjusting sound through panel & remotes, verified the sound settings & the speakers were on. What else can we do before calling for service?
I own the L46WD22 for a few months and lost the sound and analog inputs, only HDMI worked, apparently this is a design flaw and they should have recalled all units. I didn't really needed the speakers because I have a sony receiver where I playback the sounds, but I decided to repair it myself after I neglected to take it out to the repair center and use the warranty. If you have a little soldering experience you can fix it, or you can buy the fuse and take it to any repair center, the problem is a surface mounted fuse that is located in the PCBA where all the signal inputs are, the component location is 1C33 the fuse has the letter F printed on it, you can't miss it, it's about 2 inches behind the tuner where you plug the coaxial cable. the fuse I bought it's marked with a G letter, it's 750mA, I just soldered it on top of the one it has, now I can hear the speaker and use the analog inputs (and now I'm the hero and have a very happy wife). the whole fix took me about two hours
Posted on Sep 28, 2008
The problem is a blown fuse on the top side of the board. It is about 2 inches from the tuner. There is a label 7c32 on the board. The part is a 1206 surface mount fuse with a F on it. The F indicates it is .5 amp. The reason they are all failing is because they undersized the fuse. Replace it with a
This fuse is a little bigger. You can check the data sheet at digikey to get a picture when you are looking for it.
Posted on Jul 11, 2008
I have a l42wd22 and had the issue of the analog inputs (composite yellow, stereo red and white) showing "Unusable input" and lowered volume on HDMI inputs. I used the above solutions posted by "tetraedronic" and "qwerty957". I ordered the part indicated from Digi-key F1455CT-ND at http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=F1455CT-ND . I soldered the new fuse on top of the old one (probably better as the old one will probably be glued down and there is very little space to get in there.
As "tetraedronic " said he was the hero in his family and so was I. Pass it on.
Posted on Jul 17, 2012
2 months later, no solution from RCA. TV not back from warranty Tech yet. RCA claiming parts are back ordered. Servicing company is the worst. RCA = Ripoff Corporation of America.
Posted on Apr 07, 2008
Same problem on l42wd22
after 5 months, no audio and no analog video.
So, after calling customer service drove an hour to a repair shop. They've had it for 2+ weeks and i just found out today that it needed to parts, one of which is RCA part# 274656... some kind of circuit which retails for 300 bucks or so. But... repair shop can't find part. Now RCA has had me call 866-465-7157 (i'd call this number right away rather than deal with the outsourced phone calls). The people here (thomson) are now making me jump through hoops..... basically this sounds like a recurring problem for these RCA LCD TVs... GREAT!
Posted on Feb 16, 2008
Did you found your issue?
mine doesn't work either, also the regular video inputs doesn't work. I'm contacting the tech support.
Posted on Feb 03, 2008
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Posted on Jan 02, 2017
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