Have you searched the Internet for the elusive STRF? read this. I was recently called to repair a brand new Zec TV ZTST in Nairobi, Kenya, which was. STRF Original New Sanken Regulator IC’s. Pin-out of this IC: 3 pins – curved to the front 2 pins – curved inward. ☞ Don’t be disappointed – Trust only. Do whatever you want with a Strf Pdf: fill, sign, print and send online instantly. Securely download your document with other editable templates, any time.

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The chip was not listed anywhere, or anywhere else on the Internet, at least in English. I removed connectors checked for dry joints and hairline cracks and resoldered the pins.

Long live information sharing! There strf6456 no remote strf6456 function and the preset control function were not working. It was one strf6456 the many repair-generated failures. The others dtrf6456 output measured fine. The power supply strf6456 well and it still works. To allow the chip to operate on AC volts I reduced the startup resitor connected to terminal 4 strf6456 the chip to 68K 2watts.

I switched off the set and on again strf6456 the set could not come out of standby. I tried things with the vertical strf6456, adding resistive loads to get a clue of the source of the fault and checked all passive components, but the fault was not in the vertical section and no remedial action could set back things.


I had no service diagram strf6456 voltage checks on the strrf6456 of the chopper transformer showed the HT was at strf6456 which looked within range for a 29″ chassis.

The cause of the height and EW error was TACP chip described by Toshiba as a “deflection distortion correction chip” strf6456 the “flat” screen. There was no horizontal hold or centering pots.

The OSD was present. I examined three bulky ceramic capacitors strf6456 connected in parallel strf6456 of 2.

Click links to view our Site Terms and Privacy Policy. No-one could tell what the preacher on the Strf6456 was strf6456 I was about to say repaired! Things remained unchanged with a dummy load.

STRF Datasheet, PDF – Qdatasheet

strf6456 The following morning I discovered to my chagrin, that no distributor on the globe had the SMPS chip. Strf6456 visited the chip manufacturers web site, Sanken. I now did what cured the fault strf646 resoldered the strf6456 chip. The vertical output stage had no height control adjustment, linearity etc.

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Use of this site deems your acceptance of these terms. The set remained on standby. I advanced the screen pot and was greeted by retrace lines with a strf6456 pincursion distortion. They strf6456 fine on the ESR meter. I chose STRF and compared it with the layout of my power atrf6456, they looked the same.

I decided to remove sttf6456 and the picture size was reduced considerably. I visited the web strf6456 of Allegromicro which strf6456 deals with Sanken products.

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I was greeted by a beautiful strf6456 and clear picture but the pictures strf6456 the screen were minus their heads, there was an EW fault too. Suspicion now fell on the the processor which was being fed a good 5v by a fixed regulator. The frequency strg6456 the line oscillator was present but the screen remained blanked. The set came to strf6456 albeit with an increased height. My first strf6456 fell on the power supply.

They have a pdf strf6456 of the superabundantly available STRF66XX series with good information on its configuration and specs.