| Subject | Text |
| Ok, I see.
Assuming the 48V in question is scan drived, you must use a fast switching rectifier. T |
| Toshiba 34HF85, M3U01T Chassis | This is a large CRT set assembled in 2005 which recently suffered a power surge. The set switches on |
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| kolintv flyback | tnx man for tips.i,ve check the capacitors and solder joints/paths around hor section everything is |
| [quote:de46426e87="fpc3"]jts,
Thanks to vtech's schematic, I was able to read voltages as follows |
| [quote:4329f6d569="jts1957"]RESISTANCE across C32?
Resistance on Pin 9 of CN2 the WIRE that connect |
| Blown Zener like your case is the final effect not the cause.
Zener going to short circuit in tha |
| You pulled out from car ?
Is the load not lower than 2ohms ?
what kind of PS are you using to test |
| Re: need datasheet | [quote:059cefc208="thefixer"][quote:059cefc208="vtech"][quote:059cefc208="thefixer"]hello every one |
| Large diode D911, small diodes D905, D907 all on the SMPS board. |
| Re: power failure | [quote:c516e9f6ce="Anonymous"]what's the cause for letting no power in the secondary side of an SMPS |
| D911 is [b:d797a3bb8e]RJ43[/b:d797a3bb8e] schottky diode and 905,907 are [b:d797a3bb8e]AG01[/b:d797a |
| That is a very specific SMPS controller manufactured by Infineon & there is no sub.
Actual pa |
| where to find chip | Does anyone know where I an get a KA 3883 SMPS controller chip without buying 1000 pieces,or so? Al |
| vtech,
I just realized that you said the PD [u:09d4226eab]controls[/u:09d4226eab] the SMPS. Does |
| I'm on it, too | I found a complete lack of information on this set...so I plan to change that. I have a big pile of |
| 14PT1532 /94S ctv went off suddenly on service table | this chassis uses
MC44603 AP powersupply
TDA 7056B audio
TDA 8841 S1 signal processor v h |
| RCA TROUBLEshooting | DEAR
IT APPEARS THAT SOME PART IS SHORT INSIDE THE TV.IF THE SOUND IS LIKE CRACKERS RECTIFIER DIO |
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| Horiz output | Ahh I get it now,
I would like to scope the base signal while lamp load is on and measure frequency |
| repairing dvd p.s | dear cam
first of all inform about the type of power supply used in dvd player it will be either |
| kv35v36 | The SMPS power supply is very delicate and critical in this sony cercuit. first of all take out the |
| Sony wega KV32FV1 won't turn on | The red light flashes hear relay click but no picture or sound. Looking for schematic now. Is this s |
| dvd power suply problem | dear cam,
from ur observation as transforemer has 8 pins on each side,power supply appears to be |
| 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 |
| Component ID | Typo in the above. Meant to say I didn't measure the frequency at the anode, but it must be relative |
| 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 |
| [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 |