Service manuals, schematics, eproms for electrical technicians

BECKER MEXICO 2000 BE1430

CAR-AUDIO - EPROM
Type: (ZIP)
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1.8 KB
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Category
CAR-AUDIO
EPROM
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    BECKER MEXICO 2000 BE1430 BE 1430
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Relevant CAR-AUDIO forum topics:
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!
 
Becker CD70 autórádió kódbeadási probléma
Hi.
 A tárgybeli és a mellékelt képen látható autórádiónak megvan a kódja csak nem vagyok benne biztos hogy jól OK-zom...
Ahogyan én csináltam úgy nem fogadta el..
valaki megtudná mondani a pontos sorrendet??

köszi.

üdv: egon
Mercedes becker 2210 nincs kijelzés
Sziasztok,
Meg állt a tudomány.
Táp 8,5V és 5V rendben.
kijelzőn semmi gombokra nem reagál.
Bekapcsolom kis áramfelvétel van.
zárlatot nem mérek.
mi lehet vele?
Előélet:
Az autó több éve állt. Autóban a rádió bekapcsolt kódot kért de az első számjegyen kívül nem érzékelte a többit. Mondom roszak a gombok.
kiszedtem a rádiót szét sem szedtem de már az asztalon nem indult be.
Szétszedtem agombokból 3 valóban nem működik.
mást nem találtam
még.
Mercedes-Benz special Becker BE2210 13,8V-nál kikapcsól.
Szervusztok.
Szeretnék érdeklődi,hogy mi lehet a probléma a fent nevezet készüléknél.
A motor magasabb fordulatánál a kocsi töltése 13.8V és ennél a feszültségnél a rádió Mercedes-Benz special Becker BE2210 kikapcsól.
Ha a gázról leveszem a lábam akkor vissza áll minden.
Ha valaki találkozott ilyen hibával,szeretném ha megosztaná velem.
Várom a megtisztelő válaszotokat.
Üdvözlettel: buszosgyuri.
 
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