Question about Thomson 30LCDB03B 30 in. HDTV

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Thomson 30LCDB03B/27LCDB03B Hello Sir, Based on the following symptoms please suggest:- 1. No backlight and LCD dark. 2. Tune to TV station in TV mode, got sound and volume can control but no display. 3. Connect to PC & sound card, got sound, no display. 4. Opened back cover and measured for DC volt, 12V, +/- 16V & 5Vs all got. 5. Upon connecting the power adapter & switching ON, briefly the backlight comes ON then OFF. I guess this is normal since the 21" LCD TV i got (Thomson) also does the same upon powering ON the switch. Please request if you need further info. Thank you. I've got a reply from Jamie867 with a link to the service manual. Unfortunately the svc manual is not for the 27" unit. The 30" & 27" shares the schematic.

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SOURCE: MY THOMSON SCENIUM BOARD IS DAMAGED!!

CALL 01245392539 AND THE UK THOMSON SUPPLIER WILL BE ABLE TO TELL YOU IF IT IS STILL AVAILABLE

Posted on Jun 03, 2010

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SOURCE: Thomson 27" LCD TV 27LCDB03B

cannot be presise but at worse the lcd back light is failing or the supply to it . this is a job for a service engineer

Posted on Jun 11, 2010

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i think there is 2 types for this tv. due to the age i would imagine the item is uneconomical to repair

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Download the service manual to this set. It will have all these details.

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I have lost the remote , he lock is on , how do I turn on the TV to UN lock the device, and, what is the code, i.e. the universal code for entry


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this depends on the model of your TV. please send me the model and make of the TV, so that I can know if I could get the code for you.

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Bye for now.

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Hello dear sir i have an old samsung labtop


You may have a defective CCFL backlight, it may have the following symptom: Screen flashes on and off or displays reddish pink hue. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickers on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replace the CCFL lamp.
To determine if the video card or the LCD is faulty, connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight. It could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out, this is the most likely case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out LCD Parts for service, parts, and DIY info Use this link to their WEB site: -
www.lcdparts.net

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1 Answer

MY THOMSON SCENIUM BOARD IS DAMAGED!!


CALL 01245392539 AND THE UK THOMSON SUPPLIER WILL BE ABLE TO TELL YOU IF IT IS STILL AVAILABLE

Feb 11, 2009 | Thomson LCDB 03B 27 in. Television

2 Answers

Thomson 27LCDB03B


If all the voltages measure normal, the failure could be in the LCD's inverter board. I've checked the schematic and it seems like the 16 volts could be a bit higher, check the electrolytic capacitors filtering the voltage for the inverter board.
Click here to download the service manual.
Good Luck.

Sep 12, 2008 | RCA HD50LPW175 50" HDTV

1 Answer

Thomson 27" LCD TV 27LCDB03B


cannot be presise but at worse the lcd back light is failing or the supply to it . this is a job for a service engineer

Dec 02, 2007 | Thomson LCDB 03B 27 in. Television

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