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hello solved the keyboard problem now i have this problem.
When I turn on the machine, the CDM3 player does not stop turning, I make a selection and when it picks up the CD it does not stop turning the reader and it does not sound. The LCD flashes and after 20 seconds deposits the CD in the car. When it has been on for 10 minutes, stop turning the CDM3 and re-read the CDs well and it works perfe
von - by
Asier
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Alles rund um Musikboxen
Hello good morning, I want to thank your advice and ideas. Without knowing me, you helped me a lot. You are a good forum and great people. Greetings to all.
von - by
Asier
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Alles rund um Musikboxen
Hello thank you very much. the keyboard repairs it by putting a circle of aluminum foil on each button rubber exactly the same size. But I think that solution makes mistakes. Can I buy new original keyboard buttons? Thank you .
von - by
Asier
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Alles rund um Musikboxen
hello I have already done the test now I get the error 1111 does not leave the 0 and if you let me press more keys. So I have the bug on the keyboard?
von - by
Asier
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Alles rund um Musikboxen
hello very good idea tomorrow I try it and I tell you. Today I have disassembled the scc and I have checked resistance and diodes and all are well. I used to clean the tracks with alcohol and clean it thoroughly was very rusty from behind. I will connect it tomorrow and do the test you tell me. Greetings .
von - by
Asier
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Alles rund um Musikboxen
Hi, it's true that I don't have much knowledge of electronics. but it will be verified when a cable is broken or a connector does not make good contact. This keyboard was wrong and I repaired and checked with voltmeter in continuity each number and everything is correct including the number 0. Each button paste a small circle to make contact and everything works. the problem is sure of
von - by
Asier
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Alles rund um Musikboxen
Hi I do not understand the switches no or nc of the keyboard, my keyboard I had to repair them because the board did not make good contact with the buttons and I put a patch of aluminum foil and they all work make good contact. with the voltmeter with a pin on the 1 that is gnd and the other on the 2 and 3 and so on I have about 22.0 mv but the 2 does not get on. -133 I mean that it has gnd or ma
von - by
Asier
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Alles rund um Musikboxen
Ok thank you very much this afternoon I will look at it. If the resistance and the diode you tell me are fine or short. If I have to change the ic9 without a socket, I will have to call a professional. I discard the wiring and keyboard because you are very sure that it is ok. Tested with voltmeter and has no broken wire and the keyboard terminal is replaced and soldered directly to avoid failures
von - by
Asier
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Alles rund um Musikboxen
Hello good day . Well it has to be a scc problem. It is rare for cold to work and for a short time after the error and the red zero wire is shorted. Could it be a chip that gets hot? and shorten one of the pins? If it is which one it would be and which one is the culprit and what is the name of the one who handles that order?
von - by
Asier
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Alles rund um Musikboxen
hello I have done the test I have measured between pin 1 and three four or five, they always measure the same 22.00 mv but when I measure between 1 and 2 which is 0 the voltmeter goes crazy and gets - 117., 29. something is wrong should measure that the other pins 22.00 mv.
von - by
Asier
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Alles rund um Musikboxen
hello effectively when I have the fault when I disconnect the red wire the fault disappears and the 0 does not work because I disconnected it and everything works again and the keyboard is unlocked. It's like you say exactly.
von - by
Asier
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Alles rund um Musikboxen
hello that test does it perfectly. the problem is that when the machine is cold, the keyboard works perfectly and there are no faults, but then when it is heated it locks and puts on the display 0 and leaves the keyboard locked and no selection can be made. I have disassembled the keyboard and checked the circuits and everything is correct with voltmeter and the cable has no cut. It has to be scc
von - by
Asier
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Alles rund um Musikboxen
QuoteJürgen02
Hello Asier,
sounds to me like a keyboard problem. How did you test it as good ? There may be only some high resistance (leakage) across contact "0" - for example caused by moisture. The inputs of the SCC have only weak pullup resistors of 22kOhm. To confirm a keyboard problem, you can tap with the disconnected red wire on pin1 (GND) and see if the "0" also wo
von - by
Asier
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Alles rund um Musikboxen
Hallo mein name ist asier und ich bin spanisch ich habe eine omt cd mit einem problem das auf den scc computer zeigt. Wenn die Funktion auf der Tastatur ausgeführt wird, kann ich eine Auswahl treffen, aber bald wird die Nummer 0 auf dem Bildschirm angezeigt und die Tastatur funktioniert nicht und ich kann nichts auswählen. Ich brauche Hilfe, habe die Tastatur und die Verkabelung überprüft und bin
von - by
Asier
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Alles rund um Musikboxen
Hello my name is Asier and I am Spanish I have an omt cd with a problem that pointed to the scc computer. the machine when the function works the keyboard and I can make selections but soon the number 0 is put on the screen and the keyboard does not work and I cannot select anything. I need help, checked the keyboard and wiring and are fine it has to be computer scc problem. I take a test and whe
von - by
Asier
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Alles rund um Musikboxen
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