2PAC Mafia
Member
Hi guys,
I´m repairing this camera which had water inside. I repaired some problems on tracks due to water and I also found a shorted diode (D14).
The power supply had cycling symptons until I found a broken track from one side to the other of the board, this was at the feedback side so that behavieur was normal as it didn´t get the feedback voltage. The PWM IC is TPS23754.
After repairing those things I get normal and good 12V at the only output of this transformer, the problem is that D14 is getting too hot. You can see D14 at a quick and partial schematic I made. I have tested all components at primary side and I don´t see any bad one. Which could be the reason for getting D14 so hot? I think if I leave more time it will be damaged again. Thanks for your help.
I´m repairing this camera which had water inside. I repaired some problems on tracks due to water and I also found a shorted diode (D14).
The power supply had cycling symptons until I found a broken track from one side to the other of the board, this was at the feedback side so that behavieur was normal as it didn´t get the feedback voltage. The PWM IC is TPS23754.
After repairing those things I get normal and good 12V at the only output of this transformer, the problem is that D14 is getting too hot. You can see D14 at a quick and partial schematic I made. I have tested all components at primary side and I don´t see any bad one. Which could be the reason for getting D14 so hot? I think if I leave more time it will be damaged again. Thanks for your help.