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 Becker Pacific 740 car radio cassette from Mercedes
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 Return to top of page · Post #: 1 · Written at 7:36:37 PM on 9 January 2020.
Jimb's Gravatar
 Location: Kanahooka, NSW
 Member since 18 November 2016
 Member #: 2012
 Postcount: 249

Happy new year to all does anyone have a circuit diagram or manual for a Becker Pacific 740 car radio cassette.These were installed in Mercedes cars. I installed a modern radio in mine and would like to repair this as a project.
Regards Jimb


 
 Return to top of page · Post #: 2 · Written at 8:40:24 PM on 9 January 2020.
Marcc's avatar
 Location: Wangaratta, VIC
 Member since 21 February 2009
 Member #: 438
 Postcount: 3786

It is not unusual for the factory workshop manual to have that info. I have seen that data for Holdens and I have it for the original one for my MKII Zephyr. I have a "professionally" restored original radio for it with a docket for $300. Rip off merchants, don't know who paid for it , but it will take me around 3hrs + to fix it properly.

Marc


 
 Return to top of page · Post #: 3 · Written at 8:51:42 PM on 9 January 2020.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 5300

I may be able to source that. Will find out Monday.


 
 Return to top of page · Post #: 4 · Written at 9:24:38 PM on 9 January 2020.
Jimb's Gravatar
 Location: Kanahooka, NSW
 Member since 18 November 2016
 Member #: 2012
 Postcount: 249

Thanks Marcc and GTC.
I have a circuit for a much earlier model not this one.This one appears to be much later a lot of surface mounted components.
Regards Jimb


 
 Return to top of page · Post #: 5 · Written at 10:24:20 PM on 9 January 2020.
Marcc's avatar
 Location: Wangaratta, VIC
 Member since 21 February 2009
 Member #: 438
 Postcount: 3786

Love surface mount: PIB to service. What's it not doing other than "no code" go away.

Some of that stuff soldered / dipped with unleaded solder (harder) can have components break away, or crack the bond one end. "Tin Whiskers" can be another issue with & that type of solder and the board including IC's may need brushing down with a non static brush, to get rid of them.

Marc


 
 Return to top of page · Post #: 6 · Written at 11:15:47 AM on 10 January 2020.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 5300

.Jimb: a photo would be of assistance -- or let me know the year(s) and model(s) of Merc is was used in.


 
 Return to top of page · Post #: 7 · Written at 7:52:42 PM on 14 January 2020.
GTC's avatar
 GTC
 Location: Sydney, NSW
 Member since 28 January 2011
 Member #: 823
 Postcount: 5300

Well, no reply from you but my source advises that he does not have any data on that Becker model.


 
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