cartridge slots sony hb700 broken ?

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By sergem

Expert (94)

Аватар пользователя sergem

10-07-2004, 14:48

Hi everyone,

My problem is that I have a Sony Hb700f with 2 cartridgeslots but none seems to work, I have tried several cartridges that well will work on other msx systems.
My question: is that a well know problem with this computer (or any msx) and can it be fixed because I really need those slots...

thanks in advance for replies

greets
serge

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By Retroman

Expert (85)

Аватар пользователя Retroman

10-07-2004, 16:22

Hmmm, I got the very same problem here with my Sony HB700D ..... anyone got an idea if this can be fixed ?

By [D-Tail]

Ascended (8258)

Аватар пользователя [D-Tail]

10-07-2004, 20:16

Erhm... maybe you should try peeking if the ribbon cable ain't broken or disconnected? Without spoiling the F700, of course Smile

By Retroman

Expert (85)

Аватар пользователя Retroman

10-07-2004, 22:38

Checked the cable allready and it´s definitely ok Sad

By Sonic_aka_T

Enlighted (4130)

Аватар пользователя Sonic_aka_T

11-07-2004, 14:24

Did you visually check it? O did you check if each cable is indeed ok? It doesn't happen often, but I have had ribbon cables in which only one wire failed without much of a visual indication. I don't know the Sony model, but some cartridge connectors have solder joints on the print that might fail. Have you checked those? (if applicable)

By Retroman

Expert (85)

Аватар пользователя Retroman

11-07-2004, 15:55

I checked the cables electronicaly, so they are definitely ok !!!

Any chip failure that can cause this ?

By Repair-Bas

Paragon (1149)

Аватар пользователя Repair-Bas

11-07-2004, 16:43

there or three chips with the 74lLS367
these are in the neigherhood of the slotconnectors.
replace this chips (about 3 euro) and it is fixed

By Retroman

Expert (85)

Аватар пользователя Retroman

11-07-2004, 17:48

I´ll try that, should have some of them in spare here ..... thx !

By Repair-Bas

Paragon (1149)

Аватар пользователя Repair-Bas

11-07-2004, 18:10

good luck with it.
watch out, the print is very week. Solder not hotter as 350 degrees

By Retroman

Expert (85)

Аватар пользователя Retroman

11-07-2004, 20:50

No problem, I´ve allready soldered many Computers and none of them died because of that Wink Big smile

By [D-Tail]

Ascended (8258)

Аватар пользователя [D-Tail]

11-07-2004, 22:59

Good luck doesn't last forever Tongue, but I assume you know what you're doing...

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