| Subject | Text |
| Fixed it !! It turned out that one secondary supply from the SMPS transformer was zero volts - the |
| In general, with SMPS there are switched & unswitched lines.
Unswitched lines are usally one |
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| Nordmende Spectra_V_1404_SV | The VCR does not switch on.
The VCR does a 'tick tick' every second from the power supply. The swit |
| Hi
This eleman must be an SMPS+Powe driver IC. |
| I use variety of THT or SMD zener diodes in different applications from SMPS to Audio/video & R |
| Help Problem TV | I have a Paqnasonic Colour TV Model TC 29V26A and no circuit digram.
The problem is when the TV is |
| [quote:475a553cc3="fpc3"]vtech,
I just realized that you said the PD [u:475a553cc3]controls[/u:47 |
| Re: NOKIA Service manual | [quote:de773c022f="Batzeo"]Does anyone has service manual for NOKIA 7175 ? It doesn't start the SMP |
| It does not drive smps transformer .It is on the secondary side of switching transformer(cold side). |
| jvc tv | i need the cicuit digram of jvc tv av-28f1eg |
| power failure | what's the cause for letting no power in the secondary side of an SMPS power supply. there is power |
| Re: NOKIA Service manual | [quote:2e61b6630f="Batzeo"]Does anyone has service manual for NOKIA 6230i ? It doesn't start the SM |
| Isolation txformer is basically a 1to1 ratio device that only seperates the two ground planes . Yes |
| brillint | thankyou o much the digram is exctlywht i needed you are a genius! |
| switching | hi
iam getting problem with BPL MODEL DJR9530 SWITCHING PROBLEM
IAM NOTGETTING OUTPUT VOLTAGES FRO |
| Re: Sharp TV clicking. | [quote:66d15c3fc5="burg_69"]Sounds like a SMPS (Switched Mode Power Supply) fault. The problem with |
| From looking at the block diagram of the Receiver, it [b:ab87fb4710][u:ab87fb4710]appears[/u:ab87fb4 |
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| likom L4031 ND schematic need | I need the schematic digram of this monitor, pls help me? |
| Sharp TV clicking. | Sounds like a SMPS (Switched Mode Power Supply) fault. The problem with these power supplies is that |
| 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 |
| about yourt.v set | well if you have replaced the power supply and you have your 5volt stand by ,there is one other thin |
| 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 |
| Need schematic diagram for Hitachi 53UDX10B (no power issue) | Gratefull if someone can send me a diagram for this unit.
I have look on this site, found a querry |
| 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 |
| Like I mentioned, there was never any schematic for the SMPS and I do not have the one I drew some t |