help please problem programming hc908 2j74y

[scoot]

hi i am trying to do repair to hc908 2j74y with carprog clone i have connected connector a10 as in diagram and can read the software number but when i try to repair or erase i get erase failed . could i erase this file and programme a different software into it as the original i cant read at all .this is my first attempt to read a processor so please be gentle thanks in advance scoot :hmmmm2:

[evgeni]

Mcu is locket you can read only eeprom Read and write in circuit is very danger

[scoot]

thanks for reply evgeni does it mean new processor ?

[PETAR]

i never have problem whit my carprog whit this mcu

[verica]

put good 12v on your carprog

[pepesound]

carprog no problems read this mcu,test your clone

[scoot]

thanks everyone for your help i tried again still no read i ordered programmed chip i will have to test clone on another again thanks scoot

[raptors]

If you still have not solved the problem try fix the cable as shown.
I had such a problem with this jumper to ground I solved the problem.
Hope I helped.