|08-08-2007||Audio Amp Problem - Distortion Left Channel||Have an old Pioneer SX-424 stereo and the left audio channel has a problem that has me stumped!
When the unit first turns on the audio is fine - but after about 10-15 secs the left channel audio begins to distort badly (ie. very clipped, scratchy and m|
|08-08-2007||This has become worse. It now only displays for a little while then the picture goes out. Sound keeps going. Any ideas?|
|08-08-2007||Hitachi 27ax1b No Power||[b:26a3e1b2d0]No power on and no high voltage caused by leaky C724 next to HOT and when it came on found C632 in the vertical section bas as well.
I am searching for a service manual for SOUNDTECH 4150 powered mixer.
The primary turn from the transformer is the fault, and i didn't know the voltage value from the secondary turn. :(
I have 3 wires.
3 of the wires are for the power|
|08-08-2007||KD-G430 SRC button issue! Help!||Greetings all!
Yes, i realize that this is my first post, and that i am asking a question, but i've gone through enough of this junk that i'm willing to sac my internet pride to get some help!
I purchased a JVC KD-G430 from best buy, only to find th|
|08-08-2007||tv sanyo chassi pt11||I have a TV sanyo chassis pt11... when binding don´t work i listening tic tic tic... and then 1 or 2 minuts she works
sorry my english... help me thanks
|08-08-2007||Re: Older 50" Toshiba Cinema series HD||[quote:2f6c0cafbd="stokstad"]I have an older toshiba rear projection TV. My problem I think is kind of strange. My problem is that it works only with HD signals. If I have it on a standard definition signal it works but the picture is scrambled and hard t|
|08-08-2007||Did you change Q711?|
|08-08-2007||not sure abot light to dark,but sounds like poor solder connections on main pcb.letterbox problem,resolder vertical ic and check for other poor connections.|
|08-08-2007||Is the convergence out or is the blue tube 'out' of focus? Are the blue lines squiggly? More info.|
|08-08-2007||Commem problem is replace SSB p#313912725871. Causes all sorts of problems. No pic, no sound, no raster. Have you tried unplugging the set?|
|08-08-2007||if the blue color cant be lined up with others you have convergence issues,but that color would still be bright just not lined up.convergence ics probably stk392-110.|
|09-08-2007||[quote:74d8ba2dc5="cheebster"]Oh well.. that thread got me laughing a bit also. Minnie, i've also noticed you're sometimes replying with the least words possible.. No pun intended, but sometimes it looks like you're just giving us the easy way out!
|09-08-2007||The Model is actually a 50HX81. I orginally had my DVR Cable box hooked to my reciever and from my reciever to the Component connection HD1 I belive on the TV. I use the TV like a monitor I dont use the tuner at all on the TV. I orginally thought I had a|
|09-08-2007||the blue tube has plenty of brightness. individually, the red and green make perfect pictures, but the blue looks like looking through blue water at shadowy stuff on the bottom. (if that makes any sense). if you adjust the focus on the blue, it makes the|
|09-08-2007||Ok here's the deal. A poor seal on the red and blue tube. And green but, The red and blue tubes need to be pulled out, drained, cleaned and refilled. A scum builds up and 'clouds' the picture. Is this what we're going after??|
|09-08-2007||Hyper board. 10uf @ 16vdc caps are bad. Silver can, MPUV14 or 15. Replace w/10uf@25vdc. 11 caps total.|
|09-08-2007||need Nakamichi 730 schematic||subj, please write to email@example.com
|09-08-2007||HP Photosmart 3310 assembly diagram needed||Hi.Can anyone help with dismantling a HP 3310 printer or assembly diagram please?
|09-08-2007||Matsui vcr pin reset||I tried this on a Matsui VP 9406 vcr and it worked a treat!
The message `THIS VIDEO BELONGS TO` is displayed
On the front of the video hold channel up button and press QTR for about five seconds, this should unlock the machine.
|09-08-2007||The best way is to check if any line current is flowing. In a typical two-wire telephone system, a current between 7 mA and 120 mA can be expected when the subscriber set is off-hook, and almost zero (only leakage currents in the order of some uA) when it|
|09-08-2007||Flash eproms are manufactured by most large semiconductor companies. I.e. AMD, Intel, ST Microelectronics, Renesas (ex-Hitachi), Freescale (ex-Motorola), Samsung, Hynix (ex-Hyundai), Winbond, SSI, Infineon (ex-Siemens) etc.
Just note that the prefix le|
|09-08-2007||Check out more caryfully what happens when the screen goes blank.
Is there still high voltage for the CRTs?
Are the CRT heaters still lit?
Are all other major supply voltages still there?
Seems the horizontal and vertical deflection circuitry to work?|
|09-08-2007||Try supplying a 1 kHz sine signal from a tone generator to an AUX input and look at the output signal by oscilloscope. See what kind of distortion it is (i.e crossover dist, peak clipping, HF oscillations etc). Turn the volume and tone controls back and f|
|09-08-2007||schematic diagram LG.CT-29M60VE||LOOKING FOR SCHEMATIC OF A COLOR TV
|09-08-2007||requirq service manual philips monitor 105s7||hi ;
please mail me service manual philips monitor 105s7 .mail on(firstname.lastname@example.org) [color=red:efda2d80ed][/color:efda2d80ed]|
|09-08-2007||Marantz 3200 & 140||[b:cdc8abc68e]Marantz 3200 & 140
can anyone help me with the schematics of these sets ?
Year 1974 or 1975.
Thank you in advance, best regards
|09-08-2007||Thanks for the very good suggestions torbjorn.
Wish I could scope out some waveforms but my old scope has given up the ghost so I'm trying to troubleshoot this unit the very "old fashioned" way!
Good thought on checking the voltages for th|
|09-08-2007||Viewsonic G810-2M||I'm looking for a schematic on a Viewsonic G810 crt monitor.
Surely appreciate if anyone can furnish.