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Old 6th September 2014, 05:34 AM   #1
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Default "" JVC XL Z574bk cd player tweak it !!! ""

JVC XL Z574bk cd player upgrade !!!

Hello guys,
I own this old CD player, still working. I do it on an upgrade, with budget of 50/100. Where do I start ... I await advice ...

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Old 6th September 2014, 05:39 AM   #2
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Hi, may I ask in which system it will take its place ?
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Old 6th September 2014, 06:00 AM   #3
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Originally Posted by picowallspeaker View Post
Hi, may I ask in which system it will take its place ?

Hello,
I do not have to replace it, but I want to tweak it ..
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Old 6th September 2014, 06:09 AM   #4
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moderators, you can change the title of the conversation so; "" JVC XL Z574bk cd player tweak it !!! "" "

thanks
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Old 6th September 2014, 06:09 AM   #5
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The best upgrade is to make the mechanic vibration-free.
It won't look as the original as it has to be mounted and suspended with rubber bands. Then you can proceed in isolating the pcb and the transformer.
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Old 6th September 2014, 06:15 AM   #6
Mooly is offline Mooly  United Kingdom
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Quote:
Originally Posted by mprivitera1 View Post
moderators, you can change the title of the conversation so; "" JVC XL Z574bk cd player tweak it !!! "" "

thanks


(My advice would be to look at the opamps and muting transistors, perhaps replacing them with FET's)
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Old 6th September 2014, 07:10 AM   #7
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Originally Posted by Mooly View Post


(My advice would be to look at the opamps and muting transistors, perhaps replacing them with FET's)
thanks
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Old 6th September 2014, 07:16 AM   #8
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Quote:
Originally Posted by picowallspeaker View Post
The best upgrade is to make the mechanic vibration-free.
It won't look as the original as it has to be mounted and suspended with rubber bands. Then you can proceed in isolating the pcb and the transformer.
ok ... start with this 1st step. But once opened, can I do anything else?
thank you
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Old 6th September 2014, 08:35 AM   #9
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Not much, at least you may follow Mooly's advice, such replacing Opamps -on which subject M. himself opened a thread about the pros and cons of doing it-
I only limit myself in replacing the output caps, which is already a hard job considering the fragility of the pcb lines.
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Old 6th September 2014, 08:44 AM   #10
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Quote:
Originally Posted by mprivitera1 View Post
ok ... start with this 1st step. But once opened, can I do anything else?
thank you
the resolution of the picture ( schema ) is not very good !!!
make 4 pictures to have the totality of the schema

Serge
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