2 Virgin V4's no sound

**gamecubesuxs** · 04-17-2006,02:07 AM

I got 2 Virgin v4s that operate perfectly minus the sound. Does anyone know the cause? Is it a blown fuse?

**camintmier** · 04-17-2006,03:11 AM

I know this might sound a little "noob-ish", but try a different AV cable. I've had 2 AV cables mysteriously stop working thru 1 year of use sofar. Often it's the simplest problems that end up with the most complex solution.

**gamecubesuxs** · 04-17-2006,03:41 AM

Can't be the previous owner had the same problem. Thanks for your input though

**l_oliveira** · 04-17-2006,09:37 AM

the D/A converter is blown... I fixed this problem on diferent kinds of PS2, more than once. Also there's a few transistors on the output after the D/A which can blow also.
This happens because the owner connected the PS2 to a stereo and it had a diference of potential to the PS2 or the TV, which caused a ESD discharge on the audio connector. If you think about it the right way to connect the PS2 to anything is 1st hook the A/V cable to the system and then finally connect the cable to the PS2. The last thing you connect is the PS2 power cable.

**gamecubesuxs** · 04-17-2006,11:36 AM

do you have any pics of the location of these and how exactly to replace it

**l_oliveira** · 04-17-2006,06:56 PM

The DAC is the 8 leg chip closest to the A/V port. It's marked as CS4335 Cirrus Logic (Crystal) there is 2 parts connected to it also which are 6 legged transistors for the muting circuit. they might blow too...

Unfortunately I have no pics ...

**gamecubesuxs** · 04-17-2006,11:14 PM

So would I replace that one with a working one then. Desolder the legs find a broken mobo with one. Does the version matter? What setting do I need to set my meter at to test in the first place.

**l_oliveira** · 04-18-2006,08:10 AM

No, the version doesn't matter as long what is written on the chip matches (CS4335)
And unfortunately it's a too complex part to be tested with a multimeter. It does take a serial data stream as input and converts it into analog audio on the output. it's powered by the A/V 5v so if it was not getting any power you would probably had no video as well (that 5v line also powers the video output circuit.)

**gamecubesuxs** · 04-18-2006,08:21 AM

So i'll replace it and see what happens.

**gamecubesuxs** · 04-19-2006,12:28 AM

I took the CS4335 Cirrus Logic off and booted it just to see what happens and I get the same result video but no sound. So i does this without the chip also.

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