Question about RCA RT2620 Home Theatre System System

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RCA RT2620 My RT2620 will not power up. The standby light switches from red to green, but I get no display and no activity. Unplugging the unit for any extended period does nothing. I'm ready to start replacing subassemblys', but i don't know which one to buy.

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  • Smittysmithr Dec 14, 2008

    For awhile turning the unit off and waiting awhile was helping but now its been a year. Does anyone know if this problem is repairable? smittysmithrock@yahoo

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If you are a tech from your explanation you could be having problem with your microchip in the standby power supply circuit to verify if it is your microchip bridge your relay if your tv comes on it is your chip if it does not, start checking the regulator in the power supply and associated components.make voltage checks in your horizontal circuit including your flyback transfomer probably there is problem in that section also if you cannot do it take the set to a tech to do the repairs.good luck.

Posted on Mar 26, 2007

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Posted on Jan 02, 2017

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1 Answer

No power output or display.green standby light flashes.


Sounds like either a blown mainpower fuse or the thermal fuse for the power transformer. If the protect circuit was kicking in, the display would light up, but then turn off with a red blinking light. the green light with no display means the transformer is not getting power.

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green green is power on, normal
then it tries to light the lamp, but it can't so the protection circuit comes activated.
you get red and green blinking

Then it goes to standby, red and off.

so something has happened to the lamp, or lamp ballast power supply.
Take the lamp out and check if all is OK with the 2 terminals in the connector, and the leads to the lamp are intact.

Failing that, I would suspect the ballast lamp power unit

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Is the red light flashing at first?
The unit may be going into protect mode. Lets hope it has done the job and the receiver has protected itself from failure.
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It can also be caused by unstable ohm loads if too many speakers2_bing.gif are connected to any of the outputs especially zone 2.
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1 Answer

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Here's an excerpt from the Sony Manual online. And the link - http://esupport.sony.com/US/perl/webtree.pl?template=EN&mdl=KDF55XS955&content_id=68&category_id=11&problem_id=52

The POWER/STANDBY (red) indicator flashes three times
If your power/standby indicator is flashing in a pattern of three flashes, this may indicates that the lamp cover is not attached securely. Follow the directions in the Operating Manual under changing your lamp that related to closing and securing the Lamp Cover. Ensure that the Lamp Cover Door is securely fastened by tightening each screw.

The POWER/STANDBY (red) indicator flashes continously
If your power/standby indicator is flashing continuously, and the lamp cover has been secured, your TV may be in need of service.

The POWER/STANDBY indicator is lit up green (not flashing)
A sustained green light indicates your TV is on.

The POWER/STANDBY indicator is lit up red (not flashing)
A sustained red light from your power/standby indicator simply indicates that your TV is in standby mode. This shows you that your TV is ready to be turned on with the remote.

Is it the power light and not the lamp light? If the lamp light is flashing then replace the lamp.

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The only solution at this point would be to get the power supply repair since new boards are not longer being manufactured. In about 95% of the time if the LCD doesn't power up or turns OFF by itself or need to be unplug for some time to make work again; those are the symptoms of a dying or defective power supply.
I service these power supplies, for more info write to jah2mil@hotmail.com

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1 Answer

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Problems with RCA RT2620


I have this exact problem, it appears the power on/off switch no longer works. After re-setting by unplugging the unit, use the remote only. As for the display, I find that if I turn the home theatre on last, the unit works and if I turn it on first, it behaves as you described.

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