Capacitors for Linn Linto phono stage Recap


Hi
I’m considering a Recap for my Linn Linto phono stage.
Attached is a screenshot of the main PCB.

1. Other than the 14 Capacitors in the attached picture, are there any other Capacitors that need changing ?

2. I read in the various forums, various preferences of Capacitors types that are worthy. Is it that different types are good for different phono stages ?
Which brand/type regardless of budget will give the best performance ?

3. Which internet shop is reliable and sells only original parts ?

 

triskadecaphobic

Showing 6 responses by imhififan

Other than the 14 Capacitors in the attached picture, are there any other Capacitors that need changing ?

All the smd electrolytic capacitor ( total of 24 pcs ).

Which internet shop is reliable and sells only original parts ?

mouser.com and digikey.com come to mind.

 

Where in the picture are the additional 24 smd electrolytic capacitors? 

@triskadecaphobic 

I found 22pcs of 22uF 50V smd electrolytic caps, except C501 and C601 which too small to read the value in your photo.

 

1 X Yellow+ Black ?? (see picture. Are these Non-Polarized Capacitors ? do they need replacement too ?)

I think the yellow one is a varistor and the black one is a thermistor. If not defective, leave it as it is.

2 X Red ones ?? (see picture. Are these Non-Polarized Capacitors ? do they need replacement too ?)

These are poly caps and will not degraded over time, if not defective, leave it as it is.

2 X the following. what are these values ? doesn’t fit the notation shown in a post above ?

h4
2.2
50v

These two are 2.2uF 50V smd electrolytic caps.

22 X the following. what are these values ? doesn’t fit the notation shown in a post above ?
J1
22
50v

Those are 22uF 50V smd electrolytic caps.

🤞

I think it's better to address the power supply issue first.

If you suspect the thermistor causing the problem, install a new one and test if the problem goes away, then go recap the power supply.

If everything goes well, then go ahead to recap the phono board.

Of course they need to resemble in form to the ones I have in order to fit the Linn Linto PCB…

Totally agree! Measure the size and lead spacing of the existing caps, then choose the longest life with highest temperature rating. A capacitor with service life of 3000hrs@105°C is equal to 12000hrs@85°C.

For those smd electrolytic caps, tantalum capacitor is better if money is no object.

 

@triskadecaphobic

You did a great job for the capacitors selection! 👍👍

Some suggestions:

IMO, if you want those radial capacitors sat nicely on the PCB, lead spacing is important, and its diameter as well. Newer capacitors for the same rating tend to be smaller, you can choose higher voltage rating capacitors to match the existing space.

For surface mount capacitors, "land space" is very important! Please measure the existing space to ensure the replacements can sat and soldered properly.

If size is permitted, you may also consider Nichicon PCX series for its excellent ESR and Ripple Current rating.

https://www.digikey.co.il/en/products/detail/nichicon/PCX1H220MCL1GS/2791250

https://www.digikey.co.il/en/products/detail/nichicon/PCX1H220MCL6GS/2791249

IMHO, YMMV. 🤞