Repair

Sharp EL5100 calculator.
Anyone know what causes dark clouds to gather along the top edge of the LCD?! This calculator has been sitting on a shelf for years and when I tried to use it found the batteries were flat, the seals had begun to sweat a little and my first though was electrolyte contamination. Careful examination showed the... 19 Nov 2006 16:54

original JVC manuals / no copies
Hello, I am new to this group so I hope I am not breaching etiquette here.I am liquidating a repair shop archive of service manuals. There will eventually be tons of material but for now the owner is releasing it in random batches... sorry about that. If there is interest perhaps I can convince him to allow me to ... 13 Nov 2006 13:27

ITC008
Charlie East wrote: Test D- -- Service to my country? Been there, Done that, and I've got my DD214 to prove it. Member of DAV #85. Michael A. Terrell Central Florida ... 7 Nov 2006 17:30

Frontek flf1542-02A
Hi Joe, I have a Packard Bell TFT Monitor which is dead. Green on/off button cycles but that is all. Have stripped it down and found it has the same power board as the one you are trying to locate a schematic for. Is there any known source of replacement parts for this unit? Cannot see anything obvious as a fault ... 25 Oct 2006 16:04

JVC 32 " T.V. dead.
JVC Model # AV-36980 Chassis # A 70, was at another shop, but in good condition. Found the SMPS STRF6626 regulator shorted, replaced it, & C926 1000 uf @ 50 volt capacitor, everything else checked fine, plug in, & at turn on, instantly, the fuse blows .....flash, regulator gone again. Didn't even try to start. An... 31 Oct 2006 17:36

Ford Car Radio FOLF-19B165-BA
I have a 1990 Lincoln Town Car radio that has a problem. I have replaced the 24 small electrolytics that tested bad and now the audio cassette system sounds great. I get no AM or FM radio operation and it seems like the RF oscillator has stopped working. Sometimes it comes back for just a very short time. Do an... 10 Oct 2006 23:36

RCA Receiver Model RT2280- Thanks Mark
Thanks Mark. Can you post a Schematic of that PS? Larry "Mark D. Zacharias" <spammenot(a)nonsense.net> wrote in message news:FYKWg.21399$Ij.20440(a)newssvr14.news.prodigy.com... Larry P wrote: I need to add another symptom. The display shows both L and R for the speakers and they are constantly blinking. ... 10 Oct 2006 18:23

Kenwood KR-V7030 receiver acting odd.
Yesterday I unplugged my record player from my receiver, which was also using the receiver as the power source. Later that day, I went to turn the receiver on, and it would not come on. The "standby" light was still on, and I checked the 5A removable fuse on the power board and it is fine. I saw in a thread elsewhe... 8 Oct 2006 22:50

panasonic TX21MD1 video problem (VDP3108A)
Hello, I'm Dennis, In this newsgroup I found an answer to a question about a problem with a VDP3108 (subj. Panasonic TX-21MD1C colour problem, Aug. 23 2003). I have a TX-21MD1F, about 9 years old, that had a power supply problem. I had it repaired (they replaced the high voltage transformer). After I got the T... 8 Oct 2006 12:56

RCA Receiver Model RT2280
Hi All I got this receiver today really cheap. It powers up and all panel functions work, The Radio even tunes and locks onto stations, but there is No Audio fron any of the 5 channels. I even tried headphones - nothing. Where do I start. any Ideas? Schematics? Thanks Larry ... 10 Oct 2006 07:14