|05-05-2008||Check out how the servo system is designed. If there is a tachometer generator either integrated in the motor or at the capstan shaft, then the speed will be way too high if the servo amplifier doesn't get any signal from the tach. Typically, DC servo mo|
try to regulate flow and the luminosity and the contrace, by regulating the variable resistors of the VHV (with one turns vice)[/quote:bad3d0f3dc]
Thanks But I cannot get your message clearly. Where are these variable |
|05-05-2008||Yes, I bougth it.
|05-05-2008||Re: eprom dump supra stv28p10||[quote="mazmaz"]tv name: supra
tv model: ST28p10
Chassis name: 11ak19p5 (printed on right side of board) on back door of tv 11ak19pro
1 rear scart- 1 rear input stero rca jack- 1 rear line out
1 headphone out
tube: thomson 28" (110 de|
|05-05-2008||philips 29pt 9415/12||Hello , ihave the MG3.1chassis and the problem is in the vertikal ,i have half picture only (down part only )i put a 10m/350 in a capasitor 4,7/350 that the TV has and picture ok ---for 2-3 days but then the same fault again|
|05-05-2008||[quote:03a0e9d140="Anonymous"]try to use a wheel up and down. to enter code long press on mute buttom[/quote:03a0e9d140]
Were is the mute button. When i attach the stereo, code comes up on the display, no numbers or anything. if a press the start but|
|05-05-2008||For some reason, I don't think he's talking about the steering wheel
|05-05-2008||[quote:62662d4069="Justmanuals"]For some reason, I don't think he's talking about the steering wheel
the wheel on the steering wheel controls i have turned not the steering wheel|
|05-05-2008||UDM3 transformer||Hi everyone.
I'm new to this forum and would first like to say that I'm hugely impressed with the level of knowledge evident here.
I have a problem with a Denon UD-M3 cd/receiver unit and as usual, Denon don't seem to want to know about it.
|05-05-2008||Not familiar with the specific one but, I have been able to repair very many transformers(including Denon's) which only had an open fuse in the primary. It may take some time & sometimes may not be possible (if that is what you have?)
|05-05-2008||car battery charger repair?||Hi reader,
I have dropped my car battery charger and it no longer works. I am getting intermittant 12Volt output readings but most of the time it is off and draining the battery instead. I think I have damaged either the ammeter or the aut|
|05-05-2008||i have the same problem, where can i get repaired in the Portsmouth, NH area|
|05-05-2008||Thanks for the reply vtech.
I'm pretty sure the primary fuse is O.K. and that one of the windings has gone.
The amp has a standard STK chip amp and the transformer is 75VA, so reasonably sure it will be a 30v secondary but as I'm repairing it for a |
|05-05-2008||Thanks vtech, I do have a few other Sony slv-900 series service manuals to look at.
I'll post how I made out. You could be right though about the heads being worn, there are many , many hours on this unit.
Thanks again, Gary|
|05-05-2008||Replace C928 1000uF@50V near the vertical IC.|
|05-05-2008||Hate to say this but it's probably cheaper and easier to buy a new one.|
|05-05-2008||Usually that mean the splitter is bad, #259296.|
|05-05-2008||Thank you so much for your help vtech! I'm sorry I haven't replied sooner, I've been out of town for the past few days. Anyway, I appreciate it!|