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peterosorio94
Lyricist II
October 29, 2019

I know it’s been some time, but I have a zp100 and it is blinking a constant white light, never going solid. I have the unit completely torn down and I’ve found 2 possible charred components.

peterosorio94
Lyricist II
October 29, 2019

There were some smart people posting in this thread. Hoping they are still around. 

I’ve read the entire thread but it’s been a bit unfortunately.

MrChuckFL
Contributor I
October 29, 2019

I don’t see anything that looks particularly bad in those photos unless I am missing something.

I recall the symptoms you are experiencing being related to the dram check but I could be wrong.

 

 

 

peterosorio94
Lyricist II
October 29, 2019

These photos show it a little bit better, there is like extra flux built up on that Solder point.

 

lionelb
Lyricist I
October 29, 2019

Hello,
I read a lot of things but my English is limited, so I will explain my problem.
I have a ZP100 that works from 3 to 40 minutes when it is turned on, then there is more music and it disappears from the application ....

The problem is already may have happened to one of you, and if so how to solve it?

Thank you very much.

I just disassembled and add thermal dough to the amplification circuits and it seems to work properly now ...

 

peterosorio94
Lyricist II
October 29, 2019

Never done this. Looking forward to your results!

 


Well, I was able to change the DRAM out without much issue. I used kapton, some foil, and the hakko hot air rework. Then I cleaned the pads and put new parts down. Unfortunately, it did not fix it. That pretty much confirms that the issue is probably a cracked solder ball under the BGA, or head-in-pillow or some other similar type defect. I thought about putting it in the xray but it is so hard to see some of these defects and regardless of what I found, it was not repairable.

 

Any chance you remember what dram you ordered? What amp do you have the CP 100 or the ZP 120? 

peterosorio94
Lyricist II
October 30, 2019

Found the dram chip one of the pins looks a little weird, otherwise no visible damage I ordered 2 should be here in a couple of days!

satchi24
Lyricist I
December 19, 2019

hi 

i have Sonos CONNECT:AMP ac190v  can on and working ac 230v cannot on not working can you help me

gruv2ths
Trending Lyricist I
December 19, 2019

Hi satchi24,

So your Connect:AMP will work at 190V but not at 220V?

Ant other symptoms? 

Prorocker
Prorocker
Lyricist III
December 22, 2019

Add me to the list of non-working ZP-120, I’ve read through this thread many times trying to gather as much information as possible.At this point the unit, which I purchased at a swap meet, and had never been opened, will not power on. I did find a open 5A fuse but replacing it didn’t make any difference. There are no obvious damage and I have checked the usually diodes and transistors for shorts. Everything I am seeing for in circuit test looks good.

I think I may eventually map out the schematic and post here but for now I have traced the 110ac input all the way to the first bridge rectifier, from ground  the positive side of the rectifier is 60vdc and -60 to the negative side. Which seem reasonable..this is where I’m not to sure to go after this.

New Information:

I knew I was in the right place, L16004 is bad, the question is, can I source this part or is it custom? Maybe I can unwrap it a bit and re-insulate...

If no source does anyone have one from a parts unit? Thanks!

 

 

 

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