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Guest
PostPosted: Sun Jan 28, 2007 6:10 pm    Post subject: Re: Update.../

fongs wrote:
Still haven't got the svc manual...

I have since done some manual circuit tracing. Prime suspect: 4-ch Multiplexer IC part no. MC14052B. Will try to replace to see if it works... wish me luck! Wink
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fongs
PostPosted: Sun Oct 09, 2005 10:17 pm    Post subject: It worked! =D

Quick update guys...

I've replaced IC302 (MC14052) - 4-ch multiplex and it worked! This IC functions as the input selector (ie. Tuner, AUX, Tape, CD) to pre-amp.

1 item less for the landfill! Very Happy
fongs
PostPosted: Fri Oct 07, 2005 6:46 am    Post subject: Update.../

Still haven't got the svc manual...

I have since done some manual circuit tracing. Prime suspect: 4-ch Multiplexer IC part no. MC14052B. Will try to replace to see if it works... wish me luck! Wink
fongs
PostPosted: Wed Oct 05, 2005 6:46 am    Post subject:

Hi Err.. BITCH,

Thx for trying to help but I can only see the 1st page of the svc manual? Confused
BITCH
PostPosted: Wed Oct 05, 2005 2:55 am    Post subject: Sony Service Manual for the FH-411R

FH-411R uploaded
fongs
PostPosted: Wed Oct 05, 2005 1:50 am    Post subject:

Err... no one got experience with Sony mini hifi? Crying or Very sad
fongs
PostPosted: Mon Oct 03, 2005 12:17 am    Post subject: Sony FH-411R Picture

Pls refer to below link for pic of the hifi system. System's abt 8yrs old but still sounds great... except for the CD line in fault.

Any suggestions on fix? Pls help!!

Thanks. Laughing

http://articulo.mercadolibre.cl/jm/img?s=MLC&f=3638119_6110.jpg&v=O
fongs
PostPosted: Wed Sep 21, 2005 5:56 am    Post subject: Sony FH-411R: CD line in Left channel faulty

Hi,

I need help with my Sony mini hifi model: FH-411R. There's no sound when I plug in a source to the CD line in (RCA) left channel. CD line in right channel and both channels through AUX in work fine.

Does anyone know what could be wrong? Do u have a schematic for my use? Pls email:

[email protected]

or reply to this Thread. Thanks! Very Happy

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