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GRO 002 JAPAN 1215 eeprom
04-09-2015, 12:49 PM,
Post: #1
pilif Offline
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KOpel  GRO 002 JAPAN 1215 eeprom
I have already on the internet searched but no response.
As what can i read and write this type of eeprom.
From an Opel SC 303 B Grundig GM0303B3228303
i may also need an dump for it. because i think that i have erased the chip. ihihihi
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04-09-2015, 17:02 PM,
Post: #2
rabihr
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RE: GRO 002 JAPAN 1215 eeprom
(04-09-2015, 12:49 PM)pilif Wrote:  I have already on the internet searched but no response.
As what can i read and write this type of eeprom.
From an Opel SC 303 B Grundig GM0303B3228303
i may also need an dump for it. because i think that i have erased the chip. ihihihi


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SC 303 B.zip
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Size: 701 bytes

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04-09-2015, 18:29 PM,
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pilif Offline
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RE: GRO 002 JAPAN 1215 eeprom
On display i am having now " Er2 "
i have tryied whit both dumps, but nothing.
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04-09-2015, 18:44 PM,
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Shooting Offline
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RE: GRO 002 JAPAN 1215 eeprom
(04-09-2015, 18:29 PM)pilif Wrote:  On display i am having now " Er2 "
i have tryied whit both dumps, but nothing.

What chip are you reading? Numbers?
You may be reading the wrong chip...

wbr
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04-09-2015, 21:54 PM,
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pilif Offline
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RE: GRO 002 JAPAN 1215 eeprom
Thats what i am seeing.


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04-09-2015, 22:04 PM,
Post: #6
Shooting Offline
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RE: GRO 002 JAPAN 1215 eeprom
(04-09-2015, 21:54 PM)pilif Wrote:  Thats what i am seeing.

What chip did you read? Post numbers here...!
This is not a normal 303 unit, its a version B

wbr
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04-09-2015, 22:13 PM,
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pilif Offline
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RE: GRO 002 JAPAN 1215 eeprom
I have specified the numbers .
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04-09-2015, 22:22 PM,
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Shooting Offline
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RE: GRO 002 JAPAN 1215 eeprom
(04-09-2015, 22:13 PM)pilif Wrote:  I have specified the numbers .

Write this as 93C46 - code 1120

wbr


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09-09-2015, 17:48 PM,
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pilif Offline
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RE: GRO 002 JAPAN 1215 eeprom
Hi again.
Sorry for long absence.
I have tryied the dumps but no success. Still Er2 on display.
Can be the chip broken? If i want to try whit another one, must be the same? Or i can try whit an equivalent? if yes... which type schould i use?

Thanks a lot.
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09-09-2015, 19:20 PM,
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sanix Offline
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RE: GRO 002 JAPAN 1215 eeprom
(09-09-2015, 17:48 PM)pilif Wrote:  Hi again.
Sorry for long absence.
I have tryied the dumps but no success. Still Er2 on display.
Can be the chip broken? If i want to try whit another one, must be the same? Or i can try whit an equivalent? if yes... which type schould i use?

Thanks a lot.

Hi! Try in new chip (93C46) write dump
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