Tl866 do not read in circuit. Use other programmer like carprog.
Hello, maybe someone can help me with TL866 programer.
I want to read eeprom 93c56A from Opel Gid screen without desoldering the chip. First i unsolder it and put direct in programer read result OK. After that take a soic8 clip, put a chip into it and read result Ok. Then solder it back to circuit ant try read with clip, then i get alarm:
Overcurrent protection actions external short circuit/ic reverse or damaged. After that tried unsolder, put into clip and read is also again good, then chip is unsoldered.
Any ideas?0
Tl866 do not read in circuit. Use other programmer like carprog.
mancioks (16th March, 2018)
I also found out that TL866A not support ICSP but TL866 II Plus already support it. Ordered it and when i get it i'll write here it supports realy or not
Right, even if you manage with reading It in curcuit, you cannot be sure about the result. It is always better to read the chip off curcuit with minipro.
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megabits.
Stelaras26 (21st April, 2020)
for tl866 I have one for about 3years ago It cant read incircuit because pin 7 and 8 for eprom are connected together so the programmer stops from reading as not to destroy data on eprom ( I prefer to desolder eproms better or buy a programmer to read incircuit upa , carprog etc
I am having same error when trying to read M95320W with TL866 II Plus.
Do I need to unsolder it, cant be done just with the clip?
i have same problem with XGecu programmer TL866II+ with ST93c66 and soic8 clamp
PIN DETECTED PASSED but OVER CURRENT..... message
if i reverse clamp i have:
PIN DETECTED PASSED
READ CODE 78mS
READ STOPPED and same Message OVER CURRENT......
Any idea?
ST96c66 6 is from a smart 450 tacho
same problem with an ST24c08
Last edited by Smartita; 6th February, 2020 at 12:24 PM.
For all who would like to read Incircuit with positive result bridge C22 on the mother board. No more issue..
mid you do a self test it will fail but your unit will work correctly.
Smartita (11th February, 2020)
Here it is no more over current issue..
test it and let all DK member results.
Last edited by ray-ray; 7th February, 2020 at 05:17 PM.
Briankotze (7th February, 2020), duckstar (8th June, 2020), Smartita (11th February, 2020)
Any body try it I also have the boot load to reset the firmware..
It’s going to work I’ve been selling it with rebadge for 8 years. I had the old style & new style both have the same issue til you make the repair.
I tried this method on tl866a. I can now read in circuit but it reads every chip as filled with ff. So it doesn't actually read the data.
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