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

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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

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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

  • 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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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

Our 22 in Samsung Series 3, 350 only has sound, no picture. Is this a simple problem to fix?


Yes,Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board,will get ur picture back.Tries these Websites Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter backlight board for the replacement.The board is long in shape.

Mar 17, 2010 | Samsung LN40A550 LCD TV

1 Answer

I have a Samsung series 5 530 and the picture only recently is too big for the screen. also tried everything in the manual. Just started a few weeks ago.


The picture size may have been changed on the remote. Try the button that says pic size or something close to that. It must have been switched to a mode which zooms in the picture. That should fix it.

Jan 11, 2010 | Samsung LN-S4041D 40 in. LCD HDTV

1 Answer

Samsung LCD TV series 5 240Vac, 50Hz will it work with 60Hz?


no only the voltage is critical.the only point is you have to select right counrty and tv sound and picture system on setup menu!

Jun 11, 2009 | Samsung LT-P227W 22 in. HD-Ready LCD...

2 Answers

Problems with the picture mode on my samsung 46''


Your TV is in DEMO-STORE MODE.
Go to menu, find Plug & Play option, start it, and when asked, select Home Mode, than Enter and than just Exit.
:-)
Enjoy Your TV!

Jan 09, 2009 | Samsung LN46A550 LCD TV

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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