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Samsung 7 series LCD keeps turning on and off...?

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  • 344 Answers

There is a internal problem with it,

Posted on Nov 29, 2012

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SOURCE: Brightness keeps shifting on Samsung 46" 7 Series 750

I just purchased Samsung series 4 LCD TV yesterday. I had the same problem since my salesman was a kind of stupid. He set the 'Power save mode' to automatic. After fiddle with my TV for a while, I found the solution.
Just change the 'Power save mode' to off, low, normal or high. My LCD TV stopped shifting its brightness.

Posted on May 04, 2009

  • 304 Answers

SOURCE: My samsung lcd (series 7 750)keeps switching on

The symptom indicates that you have a bad Main bd or a bad Power Supply. Have a trained Samsung tech troubleshoot the set.

Posted on Jul 17, 2009

  • 610 Answers

SOURCE: my samsung lcd (series 7 750)keeps switching on

the power supply board needs replacing. very common problem.

Posted on Nov 02, 2009

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Samsung 46 inch LCD tv problem


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Feb 16, 2015 | Samsung LN46D630 46 inch LCD 630 Series TV

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Input Switching issues Harmony Remote and Samsung TVs


The following 2008 Samsung TV’s have Anynet+:

LCD
All 9 Series LCD TVs (LNxxA950)
All 8 Series LCD TVs (LNxxA850, LNxxA860)
All 7 Series LCD TVs (LNxxA750)
Most of the 6 Series LCD TVs (LNxxA650, LNxxA630) excluding the 19” and 22” models
All of the 5 Series LCD TVs (LNxxA550, LNxxA540, LNxxA530)
Most of the 4 Series LCD TVs (LNxxA450) excluding the 19”, 22”, and 26” models

Plasma
All 7 Series Plasma TVs (PNxxA750, PNxxA760)
All 6 Series Plasma TVs (PNxxA650)
All 5 Series Plasma TVs (PNxxA550, PNxxA530)
Half of the 4 Series Plasma TVs (PNxxA450) excluding the 410 line (PNxxA410)

DLP
All 7 Series DLP TV’s (HLxxA750)
All 6 Series DLP TV’s (HLxxA650)
All 5 Series DLP TV’s (HLxxA510)

2007 Samsung TVs With Anynet+
The following 2007 Samsung TVs have Anynet+:

Note: Excluding all 26" models and below.

LCD
All 81F series (LN-Txx81F)
All 71F series (LN-Txx71F)
All 65F series (LN-Txx65F)
All 61F series (LN-Txx61F)
All 53H series (LN-Txx53H)

Plasma
FP-T5084
FP-T6374
HP-T4254
HP-T4264
HP-T5054
HP-T5064

DLP
All 89S series
HL-Txx89S
HL-T7288W

Information on Samsung TVs that support AnyNet has been refered to from: http://ars.samsung.com/customer/usa/jsp/faqs/faqs_view.jsp?isARS=Y&SITE_ID=1&AT_ID=18104&ARS_ID=8514159

How To Disable Samsung Anynet+ so your Harmony Remote Control properly controls your devices. This mainly impacts Input Switching.

1) Press your Tools Button.
2) Scroll down to Anynet and press your Select Button.
3) Once on the Anynet screen, please press your Left/Right Button(s) to select the Off Setting on the Anynet+ (HDMI-CEC)
4) Scroll down to the Auto Turn Off and select No.

Once this is completed, please turn off your TV and all device and power them back on using the Harmony Remote. Also please test this in the Activities mode, if this does not work, let me know

on Feb 10, 2010 | Logitech Harmony 520 LCD Remote Control

Tip

Input Switching Issues with Harmony and Samsung TV's


The following 2008 Samsung TV’s have Anynet+:

LCD
All 9 Series LCD TVs (LNxxA950)
All 8 Series LCD TVs (LNxxA850, LNxxA860)
All 7 Series LCD TVs (LNxxA750)
Most of the 6 Series LCD TVs (LNxxA650, LNxxA630) excluding the 19” and 22” models
All of the 5 Series LCD TVs (LNxxA550, LNxxA540, LNxxA530)
Most of the 4 Series LCD TVs (LNxxA450) excluding the 19”, 22”, and 26” models

Plasma
All 7 Series Plasma TVs (PNxxA750, PNxxA760)
All 6 Series Plasma TVs (PNxxA650)
All 5 Series Plasma TVs (PNxxA550, PNxxA530)
Half of the 4 Series Plasma TVs (PNxxA450) excluding the 410 line (PNxxA410)

DLP
All 7 Series DLP TV’s (HLxxA750)
All 6 Series DLP TV’s (HLxxA650)
All 5 Series DLP TV’s (HLxxA510)

2007 Samsung TVs With Anynet+
The following 2007 Samsung TVs have Anynet+:

Note: Excluding all 26" models and below.

LCD
All 81F series (LN-Txx81F)
All 71F series (LN-Txx71F)
All 65F series (LN-Txx65F)
All 61F series (LN-Txx61F)
All 53H series (LN-Txx53H)

Plasma
FP-T5084
FP-T6374
HP-T4254
HP-T4264
HP-T5054
HP-T5064

DLP
All 89S series
HL-Txx89S
HL-T7288W

Information on Samsung TVs that support AnyNet has been refered to from: http://ars.samsung.com/customer/usa/jsp/faqs/faqs_view.jsp?isARS=Y&SITE_ID=1&AT_ID=18104&ARS_ID=8514159

How To Disable Samsung Anynet+ so your Harmony Remote Control properly controls your devices. This mainly impacts Input Switching.

1) Press your Tools Button.
2) Scroll down to Anynet and press your Select Button.
3) Once on the Anynet screen, please press your Left/Right Button(s) to select the Off Setting on the Anynet+ (HDMI-CEC)
4) Scroll down to the Auto Turn Off and select No.

Once this is completed, please turn off your TV and all device and power them back on using the Harmony Remote. Also please test this in the Activities mode, if this does not work, please e-mail us back for further assistance.

on Feb 10, 2010 | Logitech Harmony 880 LCD Remote Control

1 Answer

My LCD TV Series 530 keeps on blinking and would not turn on. why does it keep doing that?


I've experienced similar issues with a 42" Samsung LCD TV. From what I've read online, I believe it could be a problem in the circuitry of the power supply. Apparently, Samsung used under rated capacitors in the power supply and the result is a turn on delay or blinking on and off. If this is the case, then the capacitors would need to be replaced to fix the issue.

Aug 07, 2011 | Samsung Televison & Video

1 Answer

I have a 7 series samsung and it keeps going on and off by itself. I tried different plugs but nothing changes


The main tv processor might have some garbage in it, do to a small power surge. If you unplug the TV from the wall for 40 min. that should reset it back to normal.

Nov 11, 2010 | Samsung LE40R73BD 40 in. HD-Ready LCD...

1 Answer

My samsung lcd (series 7 750)keeps switching on and off, no picture...


The symptom indicates that you have a bad Main bd or a bad Power Supply. Have a trained Samsung tech troubleshoot the set.

Jul 02, 2009 | Televison & Video

1 Answer

Brightness keeps shifting on Samsung 46" 7 Series 750


I just purchased Samsung series 4 LCD TV yesterday. I had the same problem since my salesman was a kind of stupid. He set the 'Power save mode' to automatic. After fiddle with my TV for a while, I found the solution.
Just change the 'Power save mode' to off, low, normal or high. My LCD TV stopped shifting its brightness.

Jun 23, 2008 | Televison & Video

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