Toshiba 3960 dvd player no sound - Toshiba HD-A20

cleaning the DVD player will help it read the disc, because a DVD player does get dusty. also it might be the disc, some DVD players will not accept some disc.

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If someone answer you, or if you found the solution, please, let me know. I have the same trouble.
I need a fast solution-

[email protected]
Nicaragua

Here is a possible hack for TOSHIBA SD 3960.

Press 'hold' for a few seconds.
Release.
Pres 7,8,9,OK,0. (or possible ENTER button)
In the left corner you should see a 0.
That is it

OR the following steps

1. Press the Open button on your remote control to open the drive tray
2. Press the 2 button on your remote control
3. Press the 4 button on your remote control
4. Press the 0 button on your remote control
5. Press the 3 button on your remote control
6. Press the 9 button on your remote control
7. Press the 6 button on your remote control
8. Press the 0 button on your remote control
9. Press the Enter button on your remote control to change the region to 1 for region 1, 2 for region 2, and so on, or 9 for multi-region playback
10. Press the Open button on your remote control to close the drive tray
11. Power off the DVD player
12. Power on the DVD player

The manual is here free!
http://www.tacp.toshiba.com/dvd/product.asp?model=sd-3960

Ok try these: 0749, 1749, 0790 & 1285.

enter the default password "136900"

Sounds like an inverter problem. If the power supply is internal replace the capacitors coming out of the voltage regulators. These are usually 1000mf and/or 470mf. If that doesn't do the trick look up the numbers on the 8-pin chips that drive the secondary transformers on the inverter to see if they are getting the right voltages.
Good Luck!

try cleaning the lens.

First thing before a landfill is to go into the units menu and see if something in the audio got turned off if not then inspect the connectors on the back for breakage. Good Luck