...power, check: Rectifier diodes, horizontal output transistor, regulator pass or chopper transistor (if present), and main filter capacitor for shorts. An initial test with an ohmmeter can be done ...
...power supply, which can be caused by any number of components, including leaky electrolytic capacitors. With any SMPS service, all the caps must be replaced together to ensure reliability, along with ...
...take your time and make sure you get all the connectors unplugged. Re-connect electrically before re-testing - these "chopper" type power supplies can self destruct of not tied to a load of some
...power transistors (regulators)-It is commonly binds on heat sink and found on the primary of the chopper.use a multimeter (range diode test) to check if it is shorted. The fuse-able resistors-it is ...
Question about Panasonic Televison & Video
...Power control ic (STRG6353 primary side of PSU), i would suspect its the latter. You'll need an engineer to replace this component. HiI am surprised to hear that after you replaced the IC, machine is ...
...power/chopper transistors, diodes (may be leaky or shorted), resistors (fusible and standard colour-coded types) may be open-circuit, and of course a whole lot of electrolytic capacitors may have ...
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