Hey guys. I have TH42PD60U here that give 6 flashes(energy recovery SOS). Number of SC board is TNPA3794. Green LED on SC board don't come on, but green LED on SS board does. VSUS, VAD, 15V, VSET and VSCN measure ok. No parts in energy recovery circuit measure short, look burned or dry jointed. Measured voltages in energy recovery circuit, but they change too quickly to make any sense. Looked at service manual, but can't quite figure out what part is possibly broken or how the energy recovery circuit even works. Would be greatfull for any help. Can post photos of SC board if must. Service manual too big to upload, but you can find it at Elektrotanya -
-
Last edited by Neelix; 02-09-2015, 05:41 AM. -
Re: TH42PD60U 6 flashes
Check my signature--TELEFIX
How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
http://www.irf.com/technical-info/appnotes/an-1088.pdf
PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!
-
đđģI recently got a tx-pr42gt30, I bought it in non-working condition. When I opened it, I saw that all the transistors and diodes had been removed from the tnpa5330, and several microcircuits were in poor condition, so I decided not to try to repair it. Instead, I bought another tnpa 5330 (also AB), which was already repaired (according to the seller, the board was repaired and worked before the screen was damaged), transistors were also changed on it, but Chinese copies were installed (there is no round hole in the middle, the inscription is easily erased) and a pair of transistors that...07-19-2025, 07:53 AM -
This specification for the HP ProDesk ProDesk 400 G2 Desktop Mini PC (ENERGY STAR) can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ProDesk ProDesk 400 G2 Desktop Mini PC (ENERGY STAR) boardview and ProDesk ProDesk 400 G2 Desktop Mini PC (ENERGY STAR) schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant...09-12-2024, 03:44 PM
-
This specification for the HP ProDesk ProDesk 400 G3 Small Form Factor PC (ENERGY STAR) can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the ProDesk ProDesk 400 G3 Small Form Factor PC (ENERGY STAR) boardview and ProDesk ProDesk 400 G3 Small Form Factor PC (ENERGY STAR) schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly...09-12-2024, 03:44 PM
-
This specification for the HP Z240 Tower Workstation (ENERGY STAR) can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the Z240 Tower Workstation (ENERGY STAR) boardview and Z240 Tower Workstation (ENERGY STAR) schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no...09-12-2024, 03:44 PM
-
This specification for the HP 260 G2 Desktop Mini PC (ENERGY STAR) can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the 260 G2 Desktop Mini PC (ENERGY STAR) boardview and 260 G2 Desktop Mini PC (ENERGY STAR) schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no...09-12-2024, 03:44 PM
Comment