I found success (temporarily) by doing a factory reset. Applicable Products and Categories of This Article. I suspect it may be due to broken power supply, as the day before we experienced some overlaods during a … Show more product numbers Show less product numbers. A Green or White light may blink while the TV is powering on. Wont charge. Options. Wait several seconds until the green LED stops blinking. Anyone no what the 3 blinks are? i have a plasma tv phillips 1080i HD modle no.42pfp5332d/37 there is a red light flashing 6 times and the tv not coming on at all -1 jcoultas98 Distinguished. My panasonic plasma will not turn on, pwr light blinking 7 times? Push on power button. Reece TV. Each product has a unique model number. My TV has no picture, no power, or the LED light blinks/flashes red. The model number is PT-47WX42F. Smart TV in HD and UHD TVs Monday; UN50MU6300FXZC in 4k, 8k and Other TVs Saturday; standby light flashes in HD and UHD TVs Friday; Can't set up TV (55" Q70T) - Phone app failed, remote not responsive in Qled and Frame 2 weeks ago; Pn60f5500af flashing power led. If they can send/repair the faulty part that will be good than having the consumer pay for that part. If you unplug for a minute and hit the power button, it sounds like it is coming on then it shuts off and the red power light flashes slowly. 3 Answers. (. 6 | Copy Link . Location of the Standby LED. It flashes a sequence of 6 long and 3 short flashes. Disable ENERGY EFFICIENT features in TV MENU. If the TV does not start up, repeat the power cycle of step 3. It is a philips flat screen 42" hdtv-model 42PF9431D/37 . Get access to all information, keep your product up to date and enjoy great … Answer Save. My phillips 51" plasma tv won't turn on. 42PFL5405H Philips TV does not turn on. The tv turns on you'll see the LG logo on the screen for 2 seconds then off. Anyone who has invested in a Samsung TV will surely be pleased with their purchase. This diode was shorted out, changing it fixed the problem. How to fix panasonic red light blinking 2 times? 2. Try resetting the television by unplugging it from the power outlet for 10 seconds. Is my TV malfunctioning? Update: 32PFL5322D/37 and YA/A0716006899. Turn it on, standby light blinks 3X, shuts off. My LG SmartTV's [LG42LN570V] Red stand by light blinks 3 times when I press the On button on my Smart Remote but the TV does not switch on. What to do if your Samsung TV’s red light is blinking 5 times. Does that mean something? Login to Add a Comment 0 carlnelly Member. Look for something like D210 and see if it looks "odd". We use cookies to give you the best possible experience on our website. If the TV … Having problems with my philips model 39pfl2608/f7 lcd led tv. For that use this guide. Whenever I turn them in, a white light blinks three times and then the earphones turn off. I looked at the power board all capacitors seem fine (still flat on the top). My Philips TV turns on blinks three times goes off I have unplugged held power button for 30 seconds and still continues to do it ,what do I need to do. The model number is PT-47WX42F. My original diode was SB3200, 0 ohm in every direction. Question LG TV red light blinks 3 times then turns off. The red light on the front of the tv blinks 6 times. Model 55pfl6900/f7 made 2015 ,I got Nov 2016. Both broken diodes showed about 10 Ohm of resistance in both directions. No cables plugged in but the power cord. How do I disable the TV LED from turning on or blinking? When unplugged and reconnected to power, the screen will blink a few milliseconds of LG logo then blank screen again. When the LED light stays ON, and the TV does not automatically switch ON, the TV can be switched on with the “standby” button on the remote control. Expand Post. The TV screen stays black but the LED light pulses. I have tried unplugging it to see if it would reset but that didn't help. Feb 7, 2019 5 0 6. Question LG TV red light blinks 3 times then turns off. I've already swapped out the main board but still the same issue, tried a soft/hard reset and still the same. I know the amount of blinks indicates certain things. All rights reserved. Learn how to stop the red blinking light on a Philips 62PL977437. What does red light blinking 10 times mean on a panasonic tv? Last night I was getting picture but only for 1-2 minutes after unpluging from main, also last night I … I got a SQ552.1E LA TV that blinked 3 times. It flashes a sequence of 6 long and 3 short flashes. Thanks everyone! Power supply issues I can fix - mostly. Could be a short in the power supply of any of the circuits. @oldturkey03. We spray dusted the area, still same. This is normal and will stop once the TV is on. homesbyelmor1.5409269567682998E12. Red System Error: If a Red LED is blinking and the TV is not working properly it means that the TV has detected an issue or problem. Green blinks Abnormal operation of BUS line. Then the power light turns red and flashes in a sequence of 3 blinks, which repeats over and again. TVs. Turn Off the TV and unplug the power cord. However, the number of blinking times is mostly 2 to 8. The power button on the Samsung TV; If it turns off, it means that the TV is connected properly to the power supply. IMPORTANT: After you repair the unit, you MUST clear the values on this diagnostic screen. The TV does not show image or play sound and will not start. But, as with many electronic items, things can go wrong from time to time. I ended up replacing the power supply board on the advice of a technician and confirmed success from other members of the forum. Consumer Electronics. My tv just randomly shut off and now won’t turn on. Keep track of your product warranty coverage, Qualify for cash-back, gifts and special offers. Answers. Sorry, your subscription to our newsletter failed. Mine was fixed just the other day, I probably could have done it myself, but ended up having a service tech do it. Please comment below if you have 4 times blinking light on you tv 2 years or less after you bought Sony TV!!! Published On - 21st June 2020. We ensured lamp door cover securely in place, still same. ... 3 Blinks for A Panasonic tv . If anyone has any ideas please let me know. since yesterday there is no picture but blinking red light 3 time and repeating in about 3 seconds. The power light keeps flashing and the TV won't turn on. I have a 2+ year old 65UH5500-UA 65" TV that on Feb 26 went to blank screen. If the TV … If it is, press the “Power” button on your remote to turn it On and check if the LED is turned off. Non-Android TV stuck in reboot loop and ON/OFF power LED blinks 8 times (2012 Models) Register your product. 3 fast 5 slow blinks on philips tv Magnavox tv power light blinks and will not power on Just answers emerson lf320em4a tv red light blinks 4 times Lg smart tv standby light flashes 3 times Community Experts online right now. These codes do not reset themselves... - Sony Bravia 40" LCD TV The TV is a Panasonic 1080i HDTV, and is about 6-7 years old. Please try again later. If the timer/standby indicator is blinking, this could be an indication of a problem with the unit. oldturkey03 My husband is helping a friend to determine what is wrong with their Panasonic T.V. Gianco, post some images of your power board with your question. philips tv 32in red light blinks 6 times? Blinking red light 3 times I have TV Bravia 24EX320 for about 2 years. The red light often blinks when the TV won't turn on or continually shuts off unexpectedly. 4. Unplug the TV from the POWER OUTLET for 5 minutes to reset. Oh well. If Red light, then I press the power button on the side of the TV and it reboots Android OS. HX9903/01, SP9820/87). Of course you can always go and replace the complete power board. It is a philips flat screen 42" hdtv-model 42PF9431D/37 . @alexnoname. The screen won't come on. If the LED light does not blink when you press the POWER button try unplugging the set from the power outlet for 10 seconds. Sometimes it wouldn’t turn on, and would simply flash the red LED seven (7) times slowly. Television is probably malfunctioning due to electrostatic discharge. Startup into standby In case the model number does not offer any results, we would like to advise you to reach out to our contact center. Panasonic tv standby light blinks three times. If the procedure does not solve the issue and the Red LED is still blinking, check how many times it blinks … The power button on the Samsung TV; If it turns off, it means that the TV is connected properly to the power supply. All 12 lit up, all LEDs lit up, and they were all 16.2V on the meter. This error can be caused by a shortened diode on the power board. The question I have is why is there a red light that is flashing 6 times on the front of the tv. red light blinks 6 times won't turn on tired to power on from tv and remote nothing happens There are currently no items in your shopping cart. Thread starter Murid; Start date Feb 7, 2019; Sidebar Sidebar. Technician's Assistant: What Philips model do you have? The box says XG 2v2-P on the bottom if that helps. Previous Next Sort by votes. Amber light blinks three times when I try to power on. Please leave a comment here if this information was of any use for you. The meaning of the blink codes differs between TV models. So, I found this Philips 42PFL6057H/12 TV on Marktplaats. Do you guys have any advice on what I could check with limited equipments in order to avoid spending (in first instance) lots of money for a professional repair? I have a Philips 50PF9631D/37 Plasma that has been working fine then I tried to turn it on today and the green power light comes on for 5 seconds then goes to a red flashing light. Reply. I have a Philips 50PF9631D/37 Plasma that has been working fine then I tried to turn it on today and the green power light comes on for 5 seconds then goes to a red flashing light. Do you know which is the byw98-200 diode in the power supply board ? February 2018 in Other TVs. Another 37PFL5504 fixed that blinked 3 times!! Green blinks three times TV is powering up. M. Murid Junior Member . Not the power supply board. I know the amount of blinks indicates certain things. We did power reset, still same. © 2020 iFixit — Licensed under Creative Commons — Privacy — Blinking red light 3 times I have TV Bravia 24EX320 for about 2 years. Oct 17, 2019 9 2 41. Share on Twitter Share on Facebook. Re: philips 42pfl6687 red led blinks 2 times/ no video « Reply #6 on: October 22, 2015,16:22:17 » After talking with the experts of these modules Philips has been discontinued and even those who did not happen to get a more sure - so I do not know what to advise you Last night I was getting picture but only for 1-2 minutes after unpluging from main, also last night I … I unplugged the tv for 10 mins and plugged back in. Wont turn on.) A model number usually starts with letters followed by series of numbers, e.g. Two blinks - B+ over current protection (OCP), unit goes to the standby mode then displays the 2 blink fault. There are a few different ways you can locate your model number: Please check if you filled in the correct model number. First thing is to remove the back cover of the TV. You will at least need some sort of multimeter. If the TV does not start up, repeat the power cycle of step 3. Proceed with the steps below: 1. Tv won’t power on 5 shoe7463 Member. ; The meaning of the blink codes differs between TV models. Page 2 - Seeking answers? In my case it was really D210. If the procedure does not solve the issue and the Red LED is still blinking, check how many times it blinks and then contact support. So, took it apart, ordered the tool, and checked all the strips. Does anyone know what the 6 blinks indicates? Sidebar Sidebar. IMPORTANT: After you repair the unit, you MUST clear the values on this diagnostic screen. Another clue that the power supply is probably toasted. No picture and no sound. When the power cord is connected, the power supply will generate a 3.3V stand-by voltage. 1; 2; First Prev 2 of 2 1; 2; Next Sort by votes. Hi, during normal use the TV (auto)switched off, and the standby red led started to blink 3 times at regular intervals. Mike mickeigg@hotmail.co.uk. If it is, press the “Power” button on your remote to turn it On and check if the LED is turned off. Unplug it and that process starts all over again. Do you have the same problem on all sources/inputs? I replaced it with same type (1N5402) and it worked only for 30 minutes. Hold both said buttons until the display turns on, if it doesn't work, unplug and … 0 U. ulrick65 Junior Member. Why can the red LED light be seen from the DIGITAL OUT (OPTICAL) terminal? You turn it on, and nothing, the red light blinks 3 times. The question I have is why is there a red light that is flashing 6 times on the front of the tv. GC6440, 37PFL7403D or SA1300. How old is it? Red power button light then flashes twice. My phillips 51" plasma tv won't turn on. TV works fine. Try one of these solutions based on the issue you are experiencing. I've a panasonic PT-47WX35G that did the exact same thing, the 3 blinks indicate that you have a convergance issue, usually fixed by replacing the convergance IC's. I've used RGP30D. You should also try plugging a … The TV screen stays black but the LED light pulses. Same thing: red light blinks three times, LG logo, then nothing. September 23, 2018, 7:40 am. If you unplug for a minute and hit the power button, it sounds like it is coming on then it shuts off and the red power light flashes slowly. If the LED light on the front of the set blinks but does not turn on when you press the POWER button on the remote or side/top of the set you may contact our Customer Care Center for information on locating an authorized servicer. since yesterday there is no picture but blinking red light 3 time and repeating in about 3 seconds. $27 in. If it is, your television has entered protection mode and needs to be reset. Hi, during normal use the TV (auto)switched off, and the standby red led started to blink 3 times at regular intervals. Red power button light then flashes twice. More Less Posted on Jun 18, 2018 3:00 PM Hi! The TV is a Panasonic 1080i HDTV, and is about 6-7 years old. Level 1 Error 3 is a 12V error, most likely coming from the power board. I woke up this morning and the vertical light on the corner of my box is blinking 3 times and then staying solid for a few seconds and then blinking again. TVs. This is most likely a main power supply failure. I looked at the power … 26K. Next time you go to turn it on no LG logo but the power button flashing twice still. It will be easiest to replace it, but you may be able to repair it. Green blinks (if applicable) Fan Stopped. Thanks everyone! My 60 inch lg standby light flickers 3 times then the screen goes off. Look at the front of your Philips model 62PL977437 television set and see if the red light is blinking. ... For certain models, if the Red LED indicator light is blinking 8 times then repeats, a special reset procedure is necessary to fix the issue. Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech. If a Red LED is blinking and the TV isn't working properly it means that the TV has detected an issue or problem. The power light keeps flashing and the TV won't turn on. Power light blinks red three times then nothing. © Koninklijke Philips N.V., 2004 - 2020. Headphones are not working when connected to my Philips TV, Subtitles are not or partly visible in Philips TV, SAP (Separate Audio Program) not working in Philips TV, Closed Captioning (CC) is scrambled in Philips TV, Pixel plus, explanation and demo mode in Philips TV, I do not have a picture in my Philips TV and my screen is black, My Philips TV picture has poor or no color, I get the message on Philips TV: HDCP Not Supported, Menu displayed in wrong language in Philips TV, My Philips TV is dead or the LED is flashing, Picture format in Philips TV changes spontaneously, Plasma display makes humming, buzzing or cracking sounds in Philips TV, I hear a whistling noise when sound is muted in my Philips TV, I am having trouble with sound from my Philips TV, Program information on top of Philips TV screen does not appear when switching channels, My Philips TV is not responding to the remote control, Make sure that the power cable on the display and the VGA cable with trailing audio cables are connected correctly (use the originally supplied VGA cable) between 'MONITOR' of the TV and 'VGA1' of the display, Make sure that the display is switched on. Glad it worked for you and thanks for posting your 'answer'. Hunker may earn compensation through affiliate links in this story. These, together with two cables for thebuttons and ambilight, expose the power supply board and main board. Ensure that: • The power plug is firmly connected to both the TV and the wall socket side • The Philips logo and/or TV menu is not showing. If the light continues to blink and the TV doesn't come on or if the TV comes on and then turns off and the process starts over again, unplug the TV for 3 minutes then plug it back in and try again. Samsung is one of the most reputable technology brands going. Check the CONNECTION OF CABLES going to and from the TV. I suspect it may be due to broken power supply, as the day before we experienced some overlaods during a bad-weather night. @alexnoname great to hear that my 5 year old answer was actually right. The meaning of the blink codes differs between TV models. Total cost of 387.00. Hello. The front LED (standby) light blinks in a repeating pattern. Please read the, Selected products These codes do not reset themselves... - Sony Bravia 40" LCD TV You gotta reach out to a lawyer for that, and that's the last resort. Location of the Standby LED. If a Red LED is blinking, try the troubleshooting procedure below. The exact workings of how a Philips TV boots up when power is first connected is a bit more complex than what I’ll describe here (read the service manual if you’reinterested). Many of the later model Sony TV’s have a built in self-diagnosis function. 3. Turn on TV with remote, TV turns on UNLESS, Red light flashed 6 times and then repeats. 1 of 2 1; 2; Next Last. I already have tried to unplug it from power source and leave it unplugged for an hour or so, but nothing changed, Hi, I have the phillips 26pf5521d/10 does not come on but the red standby light flashes twice then five times then seven times could this also be a power supp fault ? Unplug it and that process starts all over again. (Applicable on Samsung TVs – FIX FLICKERING SAMSUNG TV) QUICK FIXES FOR BLINKING OR FLICKERING TV: 1. Then i replaced it with RGP30 diode and since then TV is working again. Does anyone know what the 6 blinks indicates? Step 1 - Open it up. Hi! If the LED light on the front of the set blinks but does not turn on when you press the POWER button on the remote or side/top of the set you may contact our Customer Care Center for information on locating an authorized servicer. 5. Plug the power cord in again and turn ON the TV. Still having the same issue. Samsung tv standby light blinking 3 times. This is enough to power the ‘Fusion’ … Answer. With your TV on, check if the standby Light under the lower right side of the TV is on. Please choose your model based on the last 2 digits of your product number, for example RQ1280/21. My Philips tv won't turn on. When the power supply of a Philips TV is defective, the main board will detect this and blink the stand-by led 3 times to indicate this problem. P.S. … Two blinks - B+ over current protection (OCP), unit goes to the standby mode then displays the 2 blink fault. I wish i had read this thread first. As i got TV (42PFL5405H/12) to repair, diode was already changed and so i don’t know it it was origin part. Red light blinking 3 times. Forums. How to keep the MENU from popping up all the time in Philips TV? Long story leas long, I removed the “fail” wire and what do you know? Update 2: just 6 blinks none that are fast or slow just 6 times it blinks. Philips 32″ LCD TV (32PFL5322D/37) Won’t Power On, Red LED Flashes 6 Times Standard Warning: Based on information provided in several posts, and from talking to friends, it is very possible that you could severely electrocute yourself if you don’t know what you’re doing or if you touch the wrong part of the electronics. Shut it down with the remote, power it back up, all LEDs lit philips tv red light blinks 3 times... Unplugged and reconnected to power on 5 shoe7463 Member: red light blinks 3X, shuts off unexpectedly no. That blinked 3 times I have is why is there a red LED seven 7! They were all 16.2V on the back cover of the later model Sony ’! Product number, for example RQ1280/21 which repeats over and again share and... Light blinks/flashes red n't help 0 Ohm in every direction more Less Posted Jun. The issue you are experiencing, shuts off unplug the power supply, as with many electronic,... The issue you are experiencing have the same problem on all sources/inputs confirmed success from other of! A green or White light may blink while the TV does not offer any results, would! 3 blinks, which repeats over and again your power board indication of a technician and confirmed from. The problem LG standby light under the lower right side of the TV from the power light turns UNLESS... Pressing power button 30sec times/ no video television has entered protection mode and needs be. 3 x red blinking light on you TV 2 years or Less After you repair the unit you... Is no picture but blinking red light, then nothing unplug it and that process starts all again! And special offers dozen or so screws on the back HDTV, and that process starts all again. Be easiest to replace it, but you may be able to repair it number consists out of letters by... Question LG TV red light 3 times ambilight, expose the power supply of any use for you and for! That blinked 3 times I have is why is there a red light on the front the... Technology brands going 3 - Answered by a verified TV technician a friend to determine what is wrong their! 65 '' TV that blinked 3 times and now won ’ t on... And all seem to indicate the main power or logic board level 1 3..., post some images of your product TVs, turn on or continually shuts off unexpectedly does. Changing it fixed the problem support for various television ( TV ) brands and styles should try... Instead of the TV LED from turning on or blinking the last 2 of. ) Register your product number, for example RQ1280/21, a White blinks! To reach out to our contact center the earphones turn off the TV 5 shoe7463.... 2020 iFixit — Licensed under Creative Commons — Privacy — Terms — Accessibility please comment if..., which repeats over and again the ‘ Fusion ’ … turn it,... And support for various television ( TV ) QUICK FIXES for philips tv red light blinks 3 times or FLICKERING TV: 1 experienced overlaods... You know which is the byw98-200 diode in the power cord Sidebar Sidebar cover of the TV 2! In this story with remote, TV turns on green, flashes sequence! Remove the back cover of the TV LED from turning on or continually shuts off.. With letters followed by numbers ( e.g on no LG logo then screen... Panasonic 1080i HDTV, and is about 6-7 years old and we were really it. Day before we experienced some overlaods during a bad-weather night TV LED from turning on or continually shuts unexpectedly! Phillips 51 '' plasma TV wo n't turn on product warranty coverage Qualify! ’ t turn on through affiliate links in this story was shorted out, changing it fixed problem! The day before we experienced some overlaods during a bad-weather night button try unplugging the set from the power flashing. Blinks, which repeats over and again is why is there a light... Support for various television ( TV ) QUICK FIXES for blinking or FLICKERING TV: 1 differs TV... And again says XG 2v2-P on the advice of a problem with the unit unplug it and that 's last... 42Pfl6057H/12 TV on, and is about 6-7 years old number } that. Tired to power on 5 shoe7463 Member LCD LED TV swapped out the main power supply board on the of. Byw98-200 diode in the power … Guides and support for various television ( TV ) brands styles... Samsung TVs – fix FLICKERING Samsung TV will surely be pleased with their panasonic T.V red at. To 8 since yesterday there is no picture but blinking red light times... Looks `` odd '' going to and from the DIGITAL out ( OPTICAL ) terminal standby! '' TV that blinked 3 times on its own television ( TV ) and. Philips 42PFL6057H/12 TV on Marktplaats if anyone has any ideas please let me know you go to it! Few different ways you can locate your model number does not start up, and checked all the strips the! 2 digits of your product number, for example RQ1280/21 with your question for blown capacitors and cold solders TV. Supply of any of the TV and remote nothing happens most likely a main power or board. In both directions 10 times mean on a panasonic 1080i HDTV, and checked all the time Philips. So local promotions may not apply this diode was shorted out, changing it fixed the.. Can be caused by a verified TV technician can send/repair the faulty part that will be to! All 16.2V on the power outlet for 5 minutes to reset the to..., then I replaced it with same type ( 1N5402 ) and it Android. Repair the unit red LED is blinking supply, as with many electronic items, things go... Self-Diagnosis function found { number } products that are fast or slow just 6 times the... Sort by votes LG logo but the LED light pulses currently no items in your shopping.., then nothing current protection ( OCP ), unit goes to the standby light under the lower right of... The green LED stops blinking: just 6 times as with many electronic items, things can wrong... Question LG TV red light blinks 6 times on the TV blinks times! And is about 6-7 years old Bravia 24EX320 for about 2 years look at the of. Guides and support for various television ( TV ) QUICK FIXES for blinking or FLICKERING:! Then stops for about 2 years or Less After you bought Sony TV ’ s a. Plasma will not turn on the front of the TV and remote nothing happens Samsung is of... It is a Philips flat screen 42 '' hdtv-model 42PF9431D/37 course you can locate your model on! Shortened diode on the front of your power board and ON/OFF power blinks! Green LED stops blinking my original diode was shorted out, changing fixed. Screen stays black but the LED light pulses however, the red blinking light on the screen... Starter Murid ; start date Feb 7, 2019 ; Sidebar Sidebar discuss the latest tech it may be to! Tv forum » Philips 42pfl6687 red LED is blinking, try the troubleshooting procedure below supply will generate a stand-by. 1 of 2 1 ; 2 ; next last offer any results, would! Numbers ( e.g answer was actually right usually starts with letters followed by numbers ( e.g ». Are a few different ways you can locate your model number: please check if the red 3! Updates and allow the TV is a panasonic 1080i HDTV, and checked all the time Philips. Helping a friend to determine what is wrong with their purchase the DIGITAL (. Times it blinks case the model number does not blink when you press the power for! Flashes a sequence of 6 long and 3 short flashes the power cord in every direction 3X, shuts.! Tv stuck in reboot loop and ON/OFF power LED blinks 8 times on the ). Number: please check if the standby light blinks 3 times ( flat. … I have TV Bravia 24EX320 for about 2 years or Less After philips tv red light blinks 3 times repair the unit it would but... Sort of multimeter RGP30 diode and since then TV is working again you know which is the byw98-200 in... Flashing and the TV is on Feb 26 went to blank screen again and... Short in the power … Guides and support for various television ( TV ) brands and styles seconds the! Blown capacitors and cold solders if your Samsung TV ) brands and styles on with. A few different ways you can locate your model number usually starts with letters followed by series of numbers e.g. Resistance in both directions until the green LED stops blinking with same type ( 1N5402 ) and it Android. There a red LED blinks 8 times ( 2012 models ) Register product... Plasma TV wo n't turn on Automatic Software Updates and allow the TV is a 12V error, likely! Swapped out the main power or logic board be reset experienced some overlaods during a bad-weather.. 2015, I found this Philips 42PFL6057H/12 TV on, standby light flickers 3 times then power. Is powering on here if this information was of any of the TV wo n't turn on turn on blinking. Tried a soft/hard reset and still the same update on its own logo the! Has no picture, no power, or the LED light does blink. Often blinks when the TV to update on its own a technician and confirmed success from other of. Any ideas please let me know these solutions based on the last resort disable the TV to update on own! The stand-by red light blinks three times when I try to power on from and... Byw98-200 diode in the correct model number consists out of letters followed by numbers ( e.g red!