Marantz 2325 P300 Choke Coil L305

[FRANKPIETTE]

Hello everyone,

I'm recapping a Marantz 2325, on the P300 board (MPX STEREO) there's a 1mH choke coil at position L305, the one on board was deformed. All there is in the service manual is the inductance (1mH). There's only ''102'' written on it. The original part number is LC2105001. Anyone knows a direct replacement? I'm missing all other parameters other than inductance. Could not find a datasheet. Any help would be very much appreciated. Thank you all and have a nice day !

 

[RVT1K]

There are probably a zillion choices between Digi-Key and Mouser.
Maybe measure the DC resistance to help narrow down the list and measure the pitch of the leads to narrow down even further.

 

[FRANKPIETTE]

Thanks RVT1K. Yes, too many choices, wish i knew a way to calculate according to the circuit, I'm guessing it's shielded since in a 'container'. Must confirm this too.

 

[RVT1K]

You could always cut the shrink wrap off to get a better look.

 

[rcs16]

Do not mess with it. If your coil/inductor shows continuity leave it be. When you say deformed, do you mean the sleeve, if so it does not matter in the operation of the component. Btw it’s 1mH(edit)powered iron core? and probably used in the output pilot filter

 

[FRANKPIETTE]

rcs16 a 10mH ? i was wondering if my formula was wrong, or the error is in the service manual itself, both 2325 and 2330 are giving 1mH ans only that value
i don't know if it's the metal top over the board that keeps warmth that made it' like toasted or twisted, both leads broke when i held it, resistors around are fine.

 

[FRANKPIETTE]

Another surprise found under 220uF cap,

 

[llwhtt]

The "102" is 1,000uH OR 1mH.

Craig

 

[RVT1K]

The BOM in the first post showed 1mH.

 

[RVT1K]

The "102" is 1,000uH OR 1mH.

Craig

I completely mis-read this before I chimed in.
Missed the "micro" and somehow added a question mark..

 

[FRANKPIETTE]

Thanks guys for your help. I believe in AudioKarma