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Troubleshooting TVs and Video Sources

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Technical questions about your defective television, projection screen, LCD/plasma, or any other type of video device. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!

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Topics Statistics Last Post
  Sticky: Eeprom dump thread! by Hamie
Started by Hamie, 01-25-2017, 02:25 PM
1,921 responses
643,704 views
0 likes
 Last Post Salvatore Cancellieri
by Salvatore Cancellieri
05-27-2025, 04:41 AM  
Sticky: Reduce the size of photos please.. by Davi.p
Started by Davi.p, 05-16-2024, 12:53 AM
3 responses
218 views
0 likes
 Last Post Davi.p
by Davi.p
03-31-2025, 02:38 PM  
Sticky: LCD TV and Monitor basic troubleshooting guides by budm
Started by budm, 01-23-2013, 11:27 AM
455 responses
780,918 views
0 likes
 Last Post Ricardoso
by Ricardoso
12-07-2024, 05:33 PM  
Sticky: List Of Vestel Tv Brand Names by ReeceyBurger123
Started by ReeceyBurger123, 05-30-2015, 01:12 PM
125 responses
196,763 views
0 likes
 Last Post Guest's Avatar
by Guest
04-10-2023, 09:53 AM  
Sticky: Factory Resets Listing by randtek
Started by randtek, 12-13-2012, 08:45 AM
130 responses
540,850 views
0 likes
 Last Post RinusB
by RinusB
01-20-2023, 10:25 AM  
Sticky: TV Repair Reference Library by randtek
Started by randtek, 01-24-2013, 12:11 PM
51 responses
279,430 views
0 likes
 Last Post Maalobs
by Maalobs
01-04-2022, 01:15 AM  
Closed, Sticky: WARNING: Live heatsinks & single pole on/off switches in switching power supplies by Per Hansson
Started by Per Hansson, 06-09-2021, 12:01 PM
0 responses
9,191 views
0 likes
 Last Post Per Hansson
by Per Hansson
06-09-2021, 12:01 PM  
Closed, Sticky: BIOS & FIRMWARE Attachment Upload WARNING! AVOID BANNING, READ BEFORE UPLOADING! by Topcat
Started by Topcat, 12-30-2018, 03:16 PM
0 responses
28,434 views
0 likes
 Last Post Topcat
by Topcat
12-30-2018, 03:16 PM  
Closed, Sticky: Please upload pictures using attachment function when ask for help on the repair by budm
Started by budm, 08-19-2014, 09:02 AM
10 responses
73,113 views
0 likes
 Last Post budm
by budm
01-05-2015, 03:39 PM  
Closed, Sticky: Put make and model number in thread title ! ! ! by Dgtech
Started by Dgtech, 12-07-2012, 04:59 AM
0 responses
48,438 views
0 likes
 Last Post Dgtech
by Dgtech
12-07-2012, 04:59 AM  
No backlight on Insignia NS-50DR710NA17, need help with voltages by jayanth_rk
Started by jayanth_rk, 01-29-2020, 12:53 AM
31 responses
6,520 views
0 likes
 Last Post R_J
by R_J
10-30-2023, 05:28 PM  
DPS285BP 5v standby transformer blown by Hounddoghill
Started by Hounddoghill, 02-04-2022, 03:22 PM
14 responses
2,195 views
0 likes
 Last Post R_J
by R_J
10-30-2023, 05:25 PM  
JVC 40" LED TV (LT-40KC385) - Turning ON sometimes (stuck on loading, menu etc.) by netgearnetgear
Started by netgearnetgear, 10-28-2023, 06:59 PM
19 responses
764 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-30-2023, 03:10 AM  
Hisense 50P6 by viewerau
Started by viewerau, 03-06-2023, 06:46 PM
167 responses
12,505 views
0 likes
 Last Post snowangel27
by snowangel27
10-29-2023, 02:33 AM  
Sanyo FW42D25T by Jsikora
Started by Jsikora, 10-03-2017, 09:39 PM
89 responses
6,964 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-28-2023, 12:58 PM  
Philips 40PFH6510/88 not powering on by ph445
Started by ph445, 10-23-2023, 08:00 AM
15 responses
718 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-28-2023, 12:48 PM  
LG 42PW451ZD - Z-SUS Zener Diode 2 Missing by Salvatore057
Started by Salvatore057, 04-07-2018, 12:28 AM
12 responses
2,780 views
0 likes
 Last Post chuckjuggernaut
by chuckjuggernaut
10-28-2023, 09:17 AM  
Sony KD-65x8500b - bad Tcon or panel? by rimwall
Started by rimwall, 10-24-2023, 07:58 PM
17 responses
1,010 views
0 likes
 Last Post Davi.p
by Davi.p
10-28-2023, 04:54 AM  
Hisense 32A4G Vidaa by Fengo
Started by Fengo, 06-13-2023, 07:48 AM
8 responses
1,059 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-28-2023, 04:17 AM  
Tcl 55r635 by Jason616
Started by Jason616, 01-01-2022, 02:18 AM
20 responses
2,175 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-28-2023, 03:41 AM  
troubleshooting bn44-00598a by soul1988
Started by soul1988, 03-19-2019, 10:48 AM
16 responses
4,823 views
0 likes
 Last Post spawn784
by spawn784
10-27-2023, 10:35 PM  
Sharp LC-80LE844U Blinks 2 slow, 5 fast by joblo37pam
Started by joblo37pam, 10-26-2023, 02:17 PM
14 responses
637 views
0 likes
 Last Post Davi.p
by Davi.p
10-27-2023, 08:19 PM  
Samsung 55" TV - Boot loop but sometimes works fine - UE55MU6470U by torchzack
Started by torchzack, 08-28-2023, 07:42 AM
9 responses
1,165 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-27-2023, 03:06 PM  
Power supply PW.168W2.801 by paiol2
Started by paiol2, 10-15-2021, 11:07 AM
2 responses
1,781 views
0 likes
 Last Post mbge4sg1
by mbge4sg1
10-27-2023, 04:30 AM  
Epson PowerLite Presenter L 3 Red LED's Flashing by robante15
Started by robante15, 10-23-2023, 08:01 PM
6 responses
407 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-25-2023, 02:34 PM  
Help with Toshiba (Best Buy) 55L621U by imaddicted2u
Started by imaddicted2u, 03-26-2022, 11:26 AM
3 responses
953 views
0 likes
 Last Post Davegj78
by Davegj78
10-25-2023, 02:23 PM  
NextStar YE-5000 HD CX DUMP 25.10.2023 by ugura09
Started by ugura09, 10-25-2023, 09:28 AM
0 responses
248 views
0 likes
 Last Post ugura09
by ugura09
10-25-2023, 09:28 AM  
Samsung UN55HU8550F - No picture, No sound by KYBOSH
Started by KYBOSH, 01-09-2023, 02:36 PM
43 responses
4,339 views
0 likes
 Last Post KYBOSH
by KYBOSH
10-24-2023, 02:53 PM  
UN55KU6270FXZA Backlight Flashing Briefly on Power On by howardc64
Started by howardc64, 01-21-2023, 06:06 PM
5 responses
882 views
0 likes
 Last Post howardc64
by howardc64
10-24-2023, 01:54 PM  
Samsung UE55MU6120K Boot loop with backlight no video by fanaticgames
Started by fanaticgames, 02-04-2023, 01:25 PM
141 responses
8,200 views
0 likes
 Last Post handsworth
by handsworth
10-24-2023, 10:44 AM  
Samsung Led Smart tv QE55Q60RAT by porfyriadhs
Started by porfyriadhs, 10-23-2023, 06:41 AM
4 responses
428 views
0 likes
 Last Post Storyteller12
by Storyteller12
10-24-2023, 10:07 AM  
Kdl-70w830b sim in middle of picture after backlight repair by jeffer76
Started by jeffer76, 01-31-2020, 11:10 AM
26 responses
3,770 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-24-2023, 09:39 AM  
Samsung Q6F edge LED section not working by nubinator
Started by nubinator, 10-22-2023, 04:08 AM
20 responses
822 views
0 likes
 Last Post Storyteller12
by Storyteller12
10-24-2023, 08:16 AM  
China power supply schematics (HISENSE) by fredaelsadany
Started by fredaelsadany, 04-09-2016, 10:51 PM
6 responses
4,749 views
0 likes
 Last Post pillola
by pillola
10-24-2023, 08:13 AM  
Vizio E701i-A3 stuck at logo, need service manual by paulxxxx
Started by paulxxxx, 09-08-2023, 01:11 PM
7 responses
752 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-24-2023, 04:03 AM  
Samsung UE55RU8000 power cycling (turning on and off) by MrBrick
Started by MrBrick, 10-23-2023, 07:59 AM
2 responses
321 views
0 likes
 Last Post MrBrick
by MrBrick
10-24-2023, 02:58 AM  
Sony KDL-55EX620 stand-by present, no stand-by light, AC_OFF_DET @.47V by DXseekerMO
Started by DXseekerMO, 03-10-2019, 05:21 PM
68 responses
7,625 views
0 likes
 Last Post davidpringle
by davidpringle
10-23-2023, 10:54 AM  
Toshiba 48L1435 Firmware Needed by zomi
Started by zomi, 12-15-2018, 10:02 AM
29 responses
2,111 views
0 likes
 Last Post Skyeface
by Skyeface
10-23-2023, 09:51 AM  
Sony 55X8500E no power by wumeow
Started by wumeow, 12-13-2022, 07:05 AM
28 responses
2,249 views
0 likes
 Last Post davidpringle
by davidpringle
10-23-2023, 08:18 AM  
Samsung QE65Q64RAT - replacement screen by kelloggs0
Started by kelloggs0, 10-14-2023, 11:06 AM
15 responses
718 views
0 likes
 Last Post MixyourMind
by MixyourMind
10-23-2023, 03:41 AM  
Vestel 17IPS12 by An-klamm
Started by An-klamm, 10-18-2023, 01:13 AM
4 responses
802 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-23-2023, 02:14 AM  
Vizio P65-E1 No Activities - Voltages oK by jason123
Started by jason123, 10-21-2023, 03:14 PM
7 responses
454 views
0 likes
 Last Post EazyBone
by EazyBone
10-22-2023, 09:35 PM  
Hisense main board surrogate evaluation by BadCapex
Started by BadCapex, 10-22-2023, 04:36 PM
1 response
794 views
0 likes
 Last Post howardc64
by howardc64
10-22-2023, 05:03 PM  
Dyi led/lcd amp'd tv media center by Junior247
Started by Junior247, 10-22-2023, 02:56 AM
0 responses
371 views
0 likes
 Last Post Junior247
by Junior247
10-22-2023, 02:56 AM  
Toshiba 55LF621U21 by Dellinger316
Started by Dellinger316, 09-30-2023, 09:56 PM
19 responses
1,482 views
0 likes
 Last Post Dellinger316
by Dellinger316
10-21-2023, 08:42 PM  
Samsung UN60F8000BFXZA ~ No Picture or Sound - 5 Res Light Blinks by kca
Started by kca, 10-12-2023, 05:23 PM
49 responses
1,724 views
0 likes
 Last Post kca
by kca
10-21-2023, 04:00 PM  
Samsung LE37B650 white screen by aczelkri
Started by aczelkri, 10-14-2020, 05:10 PM
38 responses
6,104 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-21-2023, 07:02 AM  
Toshiba 40HL933G - LED Back Light voltages - should all chains be the same? by dicky96
Started by dicky96, 02-12-2018, 08:32 AM
10 responses
3,251 views
0 likes
 Last Post Naruto-sama
by Naruto-sama
10-21-2023, 05:16 AM  
H96 Pro Plus android TV box only shows blue light by usyusy
Started by usyusy, 10-12-2023, 11:13 PM
29 responses
1,788 views
0 likes
 Last Post CapLeaker
by CapLeaker
10-21-2023, 04:29 AM  
Samsung QN75Q70TAF - Problem ON or WITHIN the Display?? by KYBOSH
Started by KYBOSH, 10-19-2023, 05:33 PM
12 responses
695 views
0 likes
 Last Post nomoresonys
by nomoresonys
10-21-2023, 02:07 AM  
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