Philips 55pus6162/12 repair? - Page 1
Forum section: electronics / repair

author: Jekgbg
author_rank: Contributor
timestamp: July 13, 2024, 11:43:04 am
content: HelloHave the TV (philips 55pus6162/12) switched on, after about 1 hour a bang was heard and the display went black, only the on/off led light was on, disconnected all cables and tried to start again but the same result, black display and led light on.What could be wrong?

author: Jekgbg
author_rank: Contributor
timestamp: July 13, 2024, 11:50:11 am
content: Found broken condenser.Found broken ceramic capacitor C8113 100pf onPowerboard, can you continue troubleshooting without voltage with diode measurement?Power boardTPV 715G8672-P01-000-002HPhilips55pus6162/12

author: Jekgbg
author_rank: Contributor
timestamp: July 13, 2024, 01:47:30 pm
content: https://acrobat.adobe.com/id/urn:aaid:sc:EU:e9e9fd56-f4c1-430a-9caf-0e7c4ab8634c

author: Jekgbg
author_rank: Contributor
timestamp: July 13, 2024, 01:56:13 pm
content: How do I measure these 2 black ones, are they transistors? Closest to the cracked capacitor (blue)

author: Jekgbg
author_rank: Contributor
timestamp: July 13, 2024, 08:43:55 pm
content: how is one N-channel mosfet measured in diode mode?

author: wraper
author_rank: Unknown
timestamp: July 13, 2024, 08:59:33 pm
content: ^The only thing that should be measurable is the body diode between D-S. Otherwise it should measure open.

author: DavidAlfa
author_rank: Super Contributor
timestamp: July 13, 2024, 10:23:53 pm
content: Beign in-circuit is will measure some resistance, but fets usually fail short and explode.Check if R8101 is alive, should measure short (0.1R).

author: Jekgbg
author_rank: Contributor
timestamp: July 14, 2024, 05:29:06 pm
content: got this result

author: DavidAlfa
author_rank: Super Contributor
timestamp: July 14, 2024, 06:00:26 pm
content: Measure resistance in each transistor, between legs 1-3, 1-2 and 2-3.

author: Jekgbg
author_rank: Contributor
timestamp: July 15, 2024, 11:45:19 am
content: Mosfet 11-3= 00.00 ohm1-2= 00.002-3= 00.00Mosfet 21-3= 00.001-2= 70.5 kohm2-3= OL

author: Harry_22
author_rank: Frequent Contributor
timestamp: July 15, 2024, 12:29:46 pm
content: Hi!Рarts marked yellow should be checked, red parts should be replaced.Could you make a good photo from bottom side.

author: DavidAlfa
author_rank: Super Contributor
timestamp: July 15, 2024, 01:05:18 pm
content: Now remove the transistors and measure them out of the board. Probably dead.

author: Jekgbg
author_rank: Contributor
timestamp: July 15, 2024, 03:54:44 pm
content: https://ibb.co/X80Y2h2

author: Harry_22
author_rank: Frequent Contributor
timestamp: July 15, 2024, 05:12:59 pm
content: Check also Q9801 PFC MOSFET.

author: Jekgbg
author_rank: Contributor
timestamp: July 16, 2024, 09:15:27 am
content: I didn't mention from the beginning that the main fuse was intact, maybe that says something about the damage.

author: Jekgbg
author_rank: Contributor
timestamp: July 20, 2024, 01:31:57 pm
content: how to troubleshoot U8101( SSC9522S ) ?

author: DavidAlfa
author_rank: Super Contributor
timestamp: July 20, 2024, 02:04:09 pm
content: Just:https://www.aliexpress.com/item/1005006733323933.html