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How To Repair No Power Problem In Philips Mini Dvd Player
The complaint by the customer of this Philips Mini DVD Player was no power. I plugged in the AC input and indeed it was no power (dead set).
I took off the cover and head straight to the power supply board-see the photo below:
It contains lots of SMD components and when I applied the AC power there was zero volt at the output-see the photo below:
So now it is confirmed that the power supply is the cause of the problem. I began to use visual inspection to check on the components before really start to use the voltage testing method. I saw a SMD resistor that was without coding at the input to the bridge rectifier. R912 is 105 which means it is a 1 mega ohm resistor. From experience, usually the same series line will have the same part number. So this means I presumed the R911 also 1 mega ohm.
When I checked R911 with my multimeter I found that it was open circuit and this is the reason of no power symptom because the AC voltage can’t be delivered to the AC input of the SMD bridge rectifier.
I have the part because resistor is very easy to find and get from the market. Before I fixed in the new resistor, I reflowed the surrounding components-see the photo below:
Once the new resistor was fixed in and power On, the Philips DVD player came back to life. It is a pretty straight forward repair job. Well, hope you like my repair article. See you again.
This article was prepared for you by Suranga Bandara who owns an Electronics repair shop in Anuradapura, Sri Lanka.
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Note: You may check out previous post about fixing active speaker in the below link: