| Subject | Text |
| Re: Sony KPS4112 Rear Projection TV circuit diagram (fuse bl | Defently you have an open or sort at the primary of psu
unsolder all the diodes and the resistor of |
| Alpine MRV-F 345 problem | I have this amplifier at home. It has a problem.
When i want to start it, on display is message |
|
|
| Service manual or schematics for HP Pavillion notebook | Hellllp! I need a source for schematic or manual for HP Pavillion laptop. I cannot even get the ca |
| The 120V AC bulb will be more 'efficient' because it is directly connected to the power source. The |
| Hi
I think you will find that the fault is with the inverter circiut that feeds the
cold cathod |
| an interesting discovery re: zener diodes in power supply | In the Troubleshooting section of the manual, shorted zener diodes across the driver transistors (in |
| UPS shuts down after few seconds on battery backup. | Hello to all the participitants of this interesting forum.
I write this note asking and hoping fo |
| pnp npn transistor | excuse me for my bad english..
For test npn you have to use a multimeter and put positive lead to b |
| KV25M1D | Hello
I open new post because i have a problem with my SONY KV25M1D.
When i press general button , |
| Sony CDX-MP40 Tuner wont work??? | I have the above head unit in my car and now whenever I press the source to tuner it just displays t |
| [quote:6303b17b33="vtech"]Seriously doubt that you could find any data on that vintage amp here?
Ha |
| Nokia 445 Pro Menu / Brightness | Hi guys,
I have for about 2 years a Nokia445Pro monitor.
All good till yesterday when it started |
| Blowing speaker protection fuse suggests failure of the power amplifier output transistors. If a DVM |
| thanks for answer!
fuse is alright.. I havent checked voltage in power supply, because I dont ko |
| Thank you so much for the detailed answer.
I'll have a go at it over the weekend.
I might not ha |
| Nokia 445XPro (SMA224) schematics? | Can anyone offer a source for the service manual or even just the schematics for this CRT monitor? |
| Hi,
Few things u can check:
1. Does the set power up?
2. Speakers - are they connected prop |
|
|
| Help with GE TV repair! | I have a GE tv, model 27GT615FE2, that blew the horizontal output transistor. I troubleshooted the h |
| Measuring output power | How do i measure RMS output power?
How do i measure AC voltage output power?
How do i measur |
| Re: Basic questions about TV | [quote:27cda00d7c="Rouslan N."]I am repairing a TV for the first time and have no experience\knowled |
| Ok thanks so far vtech.
Last days I didnt have the time at work to look for it.
Yeah, 600mV is |
| Orion Tv1333 no power up, squeals | Ok , i guess i could use some help in knowing i am looking at the right transistor ( I am a Pc repai |
| Problem with Mitsubishi M-VR800 Audio Receiver - Repairable? | I have a Mitsubishi M-VR800 receiver. The problem i'm having (and it seems some other owners of this |
| thanks for looking... i guess i could count up the leads, lengths, thickness, etc. and maybe try di |
| If you've already replaced the capacitors (better spelling as "capacitators" :D ) and the power sup |
| JUDGING OFF THE FLARING YOU ALSO HAVE, I WOULD SAY THE CRT IS LOW EMMISION AND THAT THE AUTO GREY SC |
| i think continued use without the fan may have caused the probem - but the fault is there before the |
| I have never seen or heard such upgrade myself before.
If the equipment was originally built in |
| Not even a late-comer? Good god this place is a ghost town.
All the capacitors in the area check |
| schematic samsung ck 21p30bt | please schematic with power source dz 807 ? |