Question about Sony DAV-SB300 System

Open Question

Need to unlock sony dav-sb300 - Sony DAV-SB300 System

Posted by on


3 Suggested Answers

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

  • 10421 Answers

SOURCE: Need an unlock code for Sony dav dz 280

Hi, kindly get the code here :
Best Regards, Jay__dre458

Posted on Feb 27, 2011

  • 19396 Answers



Check carefully power cord connection. That is often the reason for no power problem.

If the power cord is OK the problem is a defective power board. Sometimes it is possible to see visually that the power board is defective because the capacitors on board look bulged. Before testing the power board it is necessary to disconnect power and to discharge PSU capacitors shorting the capacitors contacts with a screwdriver. Example of discharge points are shown below:



After that, if there is nothing unusual at a glance, testing will follow reading impedance on single components and circuit. Testing starts from power cord impedance (it must read zero from plug's prongs to solder joints on PSU), resistors and diode in AC section of PSU, near to the power cord attachment. Next part of testing is done with power on, tracking voltage from AC section of PSU down to connectors in DC-DC section of PSU. For safety reasons testing must be done by a trained person.

Posted on Aug 18, 2011

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Sony DAV-SB300 Audio Popping

Could be component breakdown. If you can isolate and replace the bad ones you should be back to normal.

May 08, 2017 | Sony DAV-SB300 System

2 Answers

Sony DAV S300

Contact tech support at Sony Consumer products...try the website first

Jun 02, 2008 | Sony DAV-S300 System

1 Answer

Sony DAV-S400

You need to get a one off remote control from this company. It works I have unlocked mine.

Dec 04, 2007 | Sony DAV-S400 System

Not finding what you are looking for?
Sony DAV-SB300 System Logo

Related Topics:

453 people viewed this question

Ask a Question

Usually answered in minutes!

Top Sony Audio Players & Recorders Experts

Donald DCruz
Donald DCruz

Level 3 Expert

17130 Answers


Level 3 Expert

5484 Answers

The Knight
The Knight

Level 3 Expert

75571 Answers

Are you a Sony Audio Player and Recorder Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides