| Subject | Text |
| Need circuirt for LG 775N CRT monitor | Power supply hiccups if LOT taken off B+ supply. |
| Sharp TV clicking. | Sounds like a SMPS (Switched Mode Power Supply) fault. The problem with these power supplies is that |
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| Re: need datasheet | [quote:0db10ea522="thefixer"]hello every one i need datasheet of ka1522p ,it is a power supply chip |
| There's a few good ideas here so I'll give them a try, thanks.
With regards to the caps, yes, I've |
| Soundtech PC-1250 | Like to find Schematic/Service Manual for a Soundtech PC-1250 Powered Mixing Console. Tried the Manu |
| try to resolder terminals at the power supply section esp. high current devices. |
| Humax F1 | Hi
I have a problem , that after shutting down the power supply the memory for all channal is gone |
| Thank you jts1957 but no, this will not cure the overheat problem.
I tried several LA7845N, sever |
| NOKIA Service manual | Does anyone has service manual for NOKIA 7175 ? It doesn't start the SMPS. |
| kv35v36 tv | check the smps power supply, if you have an osciloscope check any voltage spikes in there, and any f |
| Matt,
Well done in finding the diode! ;
Keep in mind, when dealing with switching power supplies, |
| schematic | looking for a schematic that for the power supply that comes in the hughes sd-dvr40 tivo DVR
th |
| Philips 32PW6006/01 line stage shuts down after few seconds | Hi everyone,
I've got a sod of a TV set here which is puzzling me and I hoped that someone here |
| Re: need datasheet | [quote:2746796118="vtech"][quote:2746796118="thefixer"]hello every one i need datasheet of ka1522p |
| Hitachi C2989FS CTV | My Hitachi 29"CTV blew on low voltage mains supply. Power dropped from normal 240Vac to about 8 |
| Re: what other brands ... | [quote:3dde50b4cc="jts1957"]Some Zenith's were made by JVC.[/quote:3dde50b4cc]
Also can you pleas |
| projection T.V. turns off by itself | I too have this same problem with my T.V. ( Pioneer SD-P5191-K )
My T.V. us |
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| check output | check output voltages on other side of the power block |
| Like I mentioned, there was never any schematic for the SMPS and I do not have the one I drew some t |
| Replaced the SMPS FET (k2750) and the big "fat" cap and it seem to be OK now. Thanks!! |
| the problem is poer supply..........it is called smps power supply ...may be the transistor in smps |
| A few things, PC and PD are important but not have anything with the DVD not working. PD and PC are |
| Yes, I can come up with 5.6 vdc.
Do you suppose I should be able to disconnect the SMPS from th |
| Sears LXI Projection TV with no picture | This is a 60" CRT rear projection TV that powers on but with no picture. There are no menus or |
| tektronix inc T932A | old portable oscilloscope 35 Mhz dual channel searching for power supply schematic and troubleshotin |
| HP Laserjet 5L: Need Schematic or Service Manual | :oops: If anyone is having HP Laserjet 5L power board schematic or the service manual, please send t |
| TV SET REPAIRS | :D If you are in any doubt as to your ability to undertake any tv repair-dont!!!
There are certain |
| NAP Magnavox 8P6034 C101 No power. | This set has had problems with the color going out, had a good black & white picture but no chro |
| 50PF95 the tv is stuck in standby | hi there i have a LG 50PF95 the tv is stuck in standby
the standby light comes on and all the vo |
| Thank you vtech for a thoughtful, if discouraging reply.
I screwed down the player unit and attac |