Question about Panasonic TV Receivers & DVRs

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What is the replacement of the RM25 diode?

This is a diode on the secondary side of the chopper transformer of a panasonic television

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NTE Device Number: NTE148A
ZD-55.0V 1W,DO-41

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} Industry Number : RM25V
NTE Device Number: NTE5089A
ZD-51.0V,1W,DO-41

I hope it helps!!!

Posted on Dec 02, 2008

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1 Answer

Tv repeatedly goes into standby mode


for crt television,1.you need to check if processor is ok because automatic blank limit from the flyback transformer is control by processor.2.the reference voltage from the smps transformer aprox 5vdc.3.flyback transformer need to be tested because it might breakdown during full compensation.4.check b+ if adequate.
or call me let me know your outcome.08082245266.

Oct 02, 2015 | TV Receivers & DVRs

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Magnavox TB100MW9 DTV Converter repair


After a close-by lightning strike, my Magnavox TB100MW9
Digital TV Converter box stopped working. I took it apart and found a
shorted diode (the fat one on the power side of the board)
marked with the number SB340. From the NTE cross-reference
web site, I found a replacement diode, NTE586 (Si, Fast
Switching, Schottky Barrier Diode) that cost me $2.40 at
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it works fine!

on Apr 27, 2015 | Magnavox TB100MW9

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Hi i have a alba tv Model number LCD32880HDF afer 10 seccond the display turn off but the sound no what is the problem???


power supply 17ips10-3 v.1,mainboard 17mb45m-2

the power supply has intergrated inverter bit of a pain,no markings for voltages etc,also used in bush,sylvania etc,it has a touch panel on the side for the usual adjustments ,.

these NORMALLY suffer with the inverter output ceramic caps (3kv),on c231 &c230,an insulation test confirmed they were fine,and capacitance was within tolerance,all other lytic caps tested for esr returned good results.

it had all stable voltages ,but no voltage in inverter section??although a fluctuation on the standby voltage was due to the led's flashing in time with the flucuation.

it was hit and miss knowing what voltage goes where,it is a vestal afterall!things seemed fine as a guestamite.

to do component testing in the area of the inverter, from the smpt there are 2 ultra fast recovery diodes in parallel .

checks on these diodes and look for a shorted diode, (d105) a uf5402...

Mar 28, 2014 | TV Receivers & DVRs

1 Answer

Green power light just blinks and turns off when trying to turn it on


The problem is a Diode on the corner of the board, location D620, Part #1N4005. To verify this heat the diode up a little with a hair dryer or a soldering iron, ( DO NOT OVER HEAT)! to see if the box will operate and the green light stays on.You can find a replacement at your local Radio shack. REMEMBER TO UNPLUG THE BOX AND WAIT ABOUT 5-10 MINUTES BEFORE YOU ATTEMPT REPAIR TO ALLOW THE CAPACITORS TO DISCHARGE. Pay attention to the cathode band on the diode and make sure it goes back in the same direction. Remember to always be SAFE when working on electronics. If you have soldering skills this should be straightforward for you. If you are unsure about repairing it yourself, ask questions or get a qualified technician to repair it for you. ALWAYS BE SAFE!!!!!!!!!!!!!!!!!!!

Feb 22, 2014 | Magnavox TB100MW9

1 Answer

I just want to know, what is the part number of flyback transformer on my teli panasonic TC-20P1.


Part number is required only if you are ordering with the company and here in this case you can specify the model number as the data base is available with them.
Otherwise the flyback/ line output transformer can be removed and taken to any spares shop to be identified for the replacement.

Jun 15, 2011 | Panasonic TV Receivers & DVRs

1 Answer

After power surges have had 20 DCT6200 receivers that do not power up. Have replaced power supplies but only half the receivers work again. The other ones will not power up even after a new PS. Where is...


I think the transformer for the dct6200 is in the cable box... thats why there is no "box" on the power cord...
sadley that means the damage may be in the cable box and much harder to replace than if the transformer had been on the cord.

can you call the cable company and have them replace them?

Apr 11, 2011 | Arris DCT6200 DTV Receiver

1 Answer

DVD RAM DRIVE does not recognize any contents on recorder DVDs.


First, one correction. Panasonic website for parts asks $437 plus tax and shipping for replacement part for PANSONIC SA-HT1500 dvd recorder.

My solution. I opened the box and unplug and plug back cable with black tape going to HDD, and tighten cable near DVD-RAM drive. I closed the unit, connected as before, and whooala, everything is back in normal. Apparently, so connections loose over time.
So, for now, my SA-HT1500 dvd recorder works OK, and I can see all contents on recorded DVDs and DVD-RAMs, and I am able to record from and to DVDs.

I also find out that in the worst scenario, there is flat fee charge for repair in autorized Panasonic repair center. The phone number is 847-468-5543, and it is in Elgin, Illinois. You have to leave message on their answering machine, and they will call you back. There is $130 flat fee for all parts, labor and shipping. Definitely worthy compare to ridiculous price for replacement part on Panasonic website.

Jun 03, 2009 | Panasonic TV Receivers & DVRs

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Sharp TV 21" screen with a switch mode power supply.


i have a tv receiver with a problem of no power going to the whole system thiis transistor c3807 and connected to bigger transistor c4458 are gone together with connecting diodes.any solution please?

Sep 19, 2008 | TV Receivers & DVRs

1 Answer

RCA Wireless headphones model WHP150 transformer


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