Service manuals, schematics, eproms for electrical technicians

A-12A 1961.

CAR-AUDIO - SERVICE MANUAL
Type: (DJVU)
Size
50.1 KB
Page
2
Category
CAR-AUDIO
SERVICE MANUAL
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  • Also known:
    A-12A A12A 1961. 12 1961 12A
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  • See related repair forum topics below. May be help you to repair.
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Relevant CAR-AUDIO forum topics:
Kínai fejegység, tolatókamera bekötés HELP
Sziasztok!
Segítsetek légyszi a következőben:
Vettem egy kínai fejegységet a munkásautómba és szeretném bekötni a hozzá adott tolatókamerát.
Van az a +12 szál a tolatólámpáról. amit rá kell kötni a fejegységre, hogy átváltson tolatáskor a kameraképre. Na erre kellene nekem egy javaslat.
Mellékelem a rajzot.
Köszi, ha segítesz.
Üdv
A PCF8571P EPROM mivel olvasható LEZÁRVA!
Sziasztok! A címben említett EPROM tartalmat melyik olvasóval lehet kiolvasni illetve írni? (Egy 20 éves Becker autórádióban van) Az RT809H-val nem megy és a CH341A-val sem megy illetve a CH 24C01 beállítással minden helyen nullákat ír ki, az RT pedig hibára áll ki. Már jártak a gépben és esetleg lenullázták a EPROM-ot? László
Becker Cascade BE7944 need help!

Hello to everyone!
Thanks in advance if someone can help)
I have a problem with replacement of malfunctioned final amplifier at Cascade BE7944.
It is play sounds through front loudspeakers with distortion. 
It is not a problem with wires (I have tested it them with ohmmeter) and loudspeakers (brand new).    
I have replaced with Traffic pro and it worked fine.
Radioengineer has announced the verdict - problem with final amplifier and it is must be replaced, and preferably with service manual or schematic, which I do not have. And I did not allow him to unassemble my Becker just "for to watch how it is looks from inside")  
The problem is following:
1. Do someone have and can share with me with service manual or schematic of Becker Cascade BE7944.
2. As far as I understand BE7944 is further development of schematic Audio 10 ECE Typ 6011 (or 4011), which service manual is available at Internet - can I use it as general background for BE7944?
3. At present time unfortunately there is no possibility to find original MLT TDA 7454, only CHN or unnamed versions. I do not want to install that, but according to datasheet for TDA 7454 it can be replaced with TDA 738 *. And TDA738 * can be raplaced with TDA 7560 or TDA 7850 (in my case TDA 7851 L). If it is possible to replace TDA 7454 with TDA 7851 L and with which modifications? And will I not lose the “Backer surround” function? 
4. Any other suggestions? Please withought "sell this dinosaur"
 I have written to Harman / Becker with this problem but still no answer ...   
Thanks to all!
 
FORD Focus MK3 bluetooth nem kapcsolódik - Megoldva
Üdv a Szakiknak!

Kérdésem lenne.
Van egy 2016-os Ford focus mk3-as kocsi a gyári rádiójával, amiben a tegnapi napig rendben működött a rádió és a párosított telefonok között a kapcsolat. Egyszer csak nem kapcsolódott. Próbáltam törölni, újra párosítani, de semmi. A telefon látja a SYNC-et (ford neve), próbál is kapcsolódni, de nem jön össze.

Mit lehet tenni? Van valami házi reset lehetőség, vagy ennyi volt ennek a kényelmi funkciónak?

Köszönöm, Gyula

megoldva: A menüjében volt master reset lehetőség, az segített.

 
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