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Unread 02-07-2008, 03:08 AM   #1 (permalink)
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Bass State B150

Hello.

I have a small problem with my combo.
(Marshall Bass State B150)
The Active input has decided to stop working.
(The Passive input works just fine.)
I read in a review of this combo, that it could be the input socket that was at fault
Review here:Marshall Bassstate B150 115 Combo : Harmony Central User Reviews

Before tearing into it, I just wanted to ask if anyone on here have had the same problem? Or if someone of you would happen to know what it could be?

Thanks

--MadViking
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Unread 02-22-2008, 05:33 AM   #2 (permalink)
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Re: Bass State B150

I would definitely start by replacing the input jack. It's a cheap fix to start out with and it's best to eliminate the easiest to fix, simple problems first.
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Unread 03-04-2008, 11:47 PM   #3 (permalink)
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Re: Bass State B150

Changed the input jacks, and the Active input started working again!
Easy fix!

I have the complete schematic for this amp (on .pdf file)if anyone should need it.
Just PM me.


--MadViking
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Unread 03-24-2008, 08:25 AM   #4 (permalink)
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Re: Bass State B150

Hi Madviking,
I'm a new of this forum.
Hello to everybody.
I'm just repairing a B150.
I'd need schematic, please, if you have it in pdf format, may you send a copy to me?
Thank you very much

Guglielmo Caioli

Last edited by Gullix; 03-24-2008 at 11:00 AM.
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Unread 04-01-2008, 03:34 AM   #5 (permalink)
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Re: Bass State B150

hello!!?? Madviking!!?
Are you still there??
Is there anybody who knows how to contact Madviking?
It seems that B150 schematics is almost unfindable!
And it seems Madviking is the only one in the world capable to have it! :-)

If anyone knows where I can get it, please...let me know!
Thank you

Guglielmo
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Unread 04-13-2008, 10:40 AM   #6 (permalink)
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Re: Bass State B150

Hello Gullix.

Sendt you a PM.

Regards

MadViking

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Unread 04-20-2008, 10:45 AM   #7 (permalink)
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Re: Bass State B150

Since people on here don't have the courtesy to say thank you when I send them the schematics,
I can't be bothered to send it out any more.
Sorry to all you other people who should need it.
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Unread 04-24-2008, 06:35 AM   #8 (permalink)
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Re: Bass State B150

hello madviking,
could you send me the schematics for the b 150 please?
its getting louder and dies away from time to time. so i have to find the schematics for a friend who repairs it.
i thank you in advance for it - just like gullix, who did it twice!
btw: did you say thank you to timstoel for his help?
even if i cut off my nose to spite my face - fair play please.
rockon!
kanthaka
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Unread 05-01-2008, 11:21 AM   #9 (permalink)
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Schematics please

hello madviking,
could you send me the schematics for the b 150 please?
vintagekiki@yahoo.com
tnx vintagekiki
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Unread 05-24-2008, 07:19 AM   #10 (permalink)
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Re: Bass State B150

Quote:
Originally Posted by kanthaka View Post
hello madviking,
could you send me the schematics for the b 150 please?
its getting louder and dies away from time to time. so i have to find the schematics for a friend who repairs it.
i thank you in advance for it - just like gullix, who did it twice!
btw: did you say thank you to timstoel for his help?
even if i cut off my nose to spite my face - fair play please.
rockon!
kanthaka
I did not refer to the people who already had said thanks....
If you want help, and want me to send something as an attachment, I need your email addy... Just PM me and just maybe you will get the schematics...
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Unread 07-25-2008, 02:08 PM   #11 (permalink)
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Re: Bass State B150

Hello Madviking,
i landed to this forum from google, looking for "B150 schematic" to help a friend of mine repair the amp of his son. Would you please send me the schematic you have.
Thank you
best regards
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Unread 07-29-2008, 06:18 AM   #12 (permalink)
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Re: Bass State B150

I have sent you a mail.

MadViking

Quote:
Originally Posted by fdl View Post
Hello Madviking,
i landed to this forum from google, looking for "B150 schematic" to help a friend of mine repair the amp of his son. Would you please send me the schematic you have.
Thank you
best regards
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Unread 07-29-2008, 06:22 AM   #13 (permalink)
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Re: Bass State B150

To the people on here:

I am not a regular visitor to this forum, so it can take some time before I answer your questions.


MadViking
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Unread 07-31-2008, 03:38 PM   #14 (permalink)
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Re: Bass State B150

hey Madviking,

I have a B65 bass state and the active input has not worked since I got it, now the passive is starting to go out, I was wondering where you got the parts for the input? I am sure they're similar if not identical to the b150's. Did you get stock replacements, or just some mono plugs off the shelf?

Also, I would love the schematics (they may be a little different but it still might work.
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Unread 08-03-2008, 08:19 AM   #15 (permalink)
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Re: Bass State B150

hi madviking

I am new to this forum, I am having a problem with my b150 and I really need a schematic diagram. I would really appreciate a copy of the manual.

many thanks
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Unread 08-10-2008, 08:08 PM   #16 (permalink)
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Re: Bass State B150

Hello Deanq4

I bought stock replacements off ebay. Paid $5 for them.
If you look at the ones installed in your amp I'm pretty sure you can find the ones you need.
Something like this?
Mono input jack PC mount, switched for modern Marshall - eBay (item 300249220926 end time Sep-09-08 08:33:47 PDT)

If you contact Marshall, maybe they can help you out with the schematics for your amp?

Best regards

--MadViking

Quote:
Originally Posted by deanq4 View Post
hey Madviking,

I have a B65 bass state and the active input has not worked since I got it, now the passive is starting to go out, I was wondering where you got the parts for the input? I am sure they're similar if not identical to the b150's. Did you get stock replacements, or just some mono plugs off the shelf?

Also, I would love the schematics (they may be a little different but it still might work.
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Unread 08-10-2008, 08:12 PM   #17 (permalink)
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Re: Bass State B150

Hello Bassguitardrummer!

Sent you a mail!

Regards

--MadViking

Quote:
Originally Posted by bassguitardrummer View Post
hi madviking

I am new to this forum, I am having a problem with my b150 and I really need a schematic diagram. I would really appreciate a copy of the manual.

many thanks
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Unread 08-14-2008, 09:29 PM   #18 (permalink)
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Re: Bass State B150

hi madviking

I am new to this forum too, and i am having a problem with my b150 and I really need a schematic diagram. I would really appreciate a copy of the manual.
my e-mail is ptuitarra@hotmail.com
many thanks
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Unread 08-16-2008, 12:11 AM   #19 (permalink)
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Re: Bass State B150

sorry,
my e-mail is ptguitarra@hotmail.com

thank you
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Unread 11-05-2008, 02:44 AM   #20 (permalink)
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Re: Bass State B150

Hi Mad Viking,

Like others here I bumped into your thread by googling the B150. If it's any help, I could put the pdf of the schematics for the 150 on my web site. That would save you a lot of effort, and anyone else getting here would be able to find it.

If you like the idea, let me know, either here or email me and I will get back to you.
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Unread 11-17-2008, 06:14 AM   #21 (permalink)
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Smile Re: Bass State B150

Hello Madvicking I am new to this forum too.I have a big probem with my B150 bass state MARSHALL.I really need the schematic of this amp.Could you send me a copy for it please ?I thank you in advance.Warm regards. My email: vallysulliman@hotmail.fr
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Unread 11-28-2008, 09:13 PM   #22 (permalink)
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Re: Bass State B150

Quote:
Originally Posted by vally View Post
Hello Madvicking I am new to this forum too.I have a big probem with my B150 bass state MARSHALL.I really need the schematic of this amp.Could you send me a copy for it please ?I thank you in advance.Warm regards. My email: vallysulliman@hotmail.fr
Mail sent

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Unread 11-28-2008, 09:20 PM   #23 (permalink)
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Re: Bass State B150

Quote:
Originally Posted by farmer_terry View Post
Hi Mad Viking,

Like others here I bumped into your thread by googling the B150. If it's any help, I could put the pdf of the schematics for the 150 on my web site. That would save you a lot of effort, and anyone else getting here would be able to find it.

If you like the idea, let me know, either here or email me and I will get back to you.
Sounds like a good idea Terry
If you could provide me with an email addy, I can send them to you.
I'm not able to use the email feature on this site to send the schematics, because it will not allow me to send attachments.

Cool Caterham you got on your site!

Best regards from Norway!

--MadViking
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Unread 12-04-2008, 09:53 AM   #24 (permalink)
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Re: Bass State B150

Hi MadViking i also need the schematic for a marshall B150. (daveyjmck@hotmail.com) Or if anyone has one will they post it, or post a link to it thanks a million. Daveyj.
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Unread 12-05-2008, 12:24 PM   #25 (permalink)
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Re: Bass State B150

Mail sent.

--MadViking


Quote:
Originally Posted by daveyj View Post
Hi MadViking i also need the schematic for a marshall B150. (daveyjmck@hotmail.com) Or if anyone has one will they post it, or post a link to it thanks a million. Daveyj.
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Unread 12-05-2008, 09:38 PM   #26 (permalink)
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Re: Bass State B150

Huge THANK YOU to MadViking who passed on brilliant quality schematics for the marshall BassState B150. Thanks again for taking the time to do that.
Cheers
Dave
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Unread 12-17-2008, 04:34 AM   #27 (permalink)
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Cool Re: Bass State B150

Hello MadViking,

Our bassplayer has currently also slight problems with his B150. The Input Jacks have to be replaced I think and there are some other Problems regarding the D.I.-Out. Could you please send me the schematic, so that we can fix the amp.

Best Regards from Germany,

Michael

micha@mg-online.com
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Unread 12-23-2008, 11:56 PM   #28 (permalink)
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Re: Bass State B150

Mail sent.




--MadViking

Quote:
Originally Posted by mc_guitar View Post
Hello MadViking,

Our bassplayer has currently also slight problems with his B150. The Input Jacks have to be replaced I think and there are some other Problems regarding the D.I.-Out. Could you please send me the schematic, so that we can fix the amp.

Best Regards from Germany,

Michael

micha@mg-online.com
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Unread 01-19-2009, 02:19 AM   #29 (permalink)
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Re: Bass State B150

Hello,

Thanks again for the schematic, it was a tremendous help in restoring the original state of the preampstage!

Cheers,

Micha
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Unread 03-09-2009, 01:21 PM   #30 (permalink)
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Re: Bass State B150

can i get this schematic please? anyone? someone poured beer into the grill and fried half the components and i need to replace them.

nanpatt@hotmail.co.uk

thanks
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