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Contributor I
Jul 28, 2016 1:47 PM UTC

Dead Play:5 need schematics or tips

Hi

Play:5, manufacturing date sometime around 2009, is completely dead. No light in LED.

Found several cases of this online, but no solutions.

Does anyone have any knowledge about the problem, og better yet, schematics..

I mainly suspect problem in switch mode power supply. Have only done very basic measuring, but I find 220VAC on primary side, no power on secondary side. I think about ordering a mosfet, and/or a diode I suspect, but if I had schematics I could do some more pinpointing..
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208 replies

Lyricist II
Oct 29, 2023 6:30 PM UTC

 

Hello, first of all sorry for my bad English. I have the following problem, my play 5 gen1 only outputs sound over sub and high. Midrange is dead. I'm already disassembling the play5. You can't see faults with the eye. Which components are responsible for the center? I would be very grateful for tips. 

I would start checking the power amp (where there is a row of 5 capacitors). Top of the cpacitors should be flat. Are you sure yours are not bulged? I had 7 bad caps, the row of 5 and 2 smaller ones next to it. 

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Contributor I
Oct 29, 2023 6:33 PM UTC

Thank you for your reply. I removed the 7 caps today and am waiting for the new ones. I hope it will work again. 

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Lyricist III
Nov 2, 2023 2:41 AM UTC

Can someone tell me the value of resistor R27842?  Looks like it starts with “01..” but can’t be sure and I definitely can’t make out the last digit. It’s reading open. I think I scraped off some of the markings trying to get the glue off of it.

 

 

 

R27842 - 01b - 1kohm - 1000 ohm

Thanks VERY much!

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Lyricist III
Nov 2, 2023 10:13 PM UTC

Can someone tell me the value of resistor R27842?  Looks like it starts with “01..” but can’t be sure and I definitely can’t make out the last digit. It’s reading open. I think I scraped off some of the markings trying to get the glue off of it.

 

 

 

Just wanted to report back with another SUCCESS.  My symptom was a slow blinking white light upon power up.  This 1k ohm resistor was my problem.

On the bottom side of the board are two points labeled with a TPxxxxx number (are these Test Points?) that are on either side of this resistor, and much easier to access than trying to squeeze into this space with a larger resistor. I removed the dead 1k ohm 0603 SMD resistor from the board and soldered an old carbon film resistor I had laying around from my old college lab days (class of ‘89) across those “test points” on the back side.

Powered up, found my network right away, and it’s back to making music. Thanks to everyone in this thread.  All of the posts helped me track this down and fix it.

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Contributor I
Nov 4, 2023 1:22 PM UTC

Can someone tell me the value of resistor R27842?  Looks like it starts with “01..” but can’t be sure and I definitely can’t make out the last digit. It’s reading open. I think I scraped off some of the markings trying to get the glue off of it.

 

 

 

Just wanted to report back with another SUCCESS.  My symptom was a slow blinking white light upon power up.  This 1k ohm resistor was my problem.

On the bottom side of the board are two points labeled with a TPxxxxx number (are these Test Points?) that are on either side of this resistor, and much easier to access than trying to squeeze into this space with a larger resistor. I removed the dead 1k ohm 0603 SMD resistor from the board and soldered an old carbon film resistor I had laying around from my old college lab days (class of ‘89) across those “test points” on the back side.

Powered up, found my network right away, and it’s back to making music. Thanks to everyone in this thread.  All of the posts helped me track this down and fix it.

Can you please show me the points you mean? I have the same problem. Thanks 

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Lyricist III
Nov 4, 2023 9:07 PM UTC

I should have taken a picture before I put it back together. Sorry! But if you flip that board over and post a pic of that area, I can point to what I mean. 

If you hold a strong light up to the board you can follow the trace where that resistor is located, and you'll see two points of light shining through on either side of the resistor. Those points have a small solder bump on the back side. That's where I connected my replacement resistor.

This only works if it's that exact resistor that's dead. 

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Contributor I
Nov 6, 2023 10:13 AM UTC

 

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Lyricist III
Nov 6, 2023 12:11 PM UTC

 

Again, this only works if it's resistor R27842 that's dead. You can verify this by putting your ohmmeter between TP27376 and TP27377. I was seeing an open circuit there. I soldered my new 1,000 ohm resistor between those two points. I left it laying flat against the board to leave plenty of room when putting everything back together. 

Good luck! 

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Contributor I
Nov 6, 2023 12:15 PM UTC

Thank you

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Contributor I
Nov 8, 2023 5:22 PM UTC

Hi, it's me again. Since my first 2 play 5 are running now I have another problem. Can anyone tell me which component is in the picture? I can't find anything about it on the internet. 

 

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