How to use cheap CH341A programmer for read/write 95xxx Eeproms

[fuzz1]

I'm trying to read a RL56 chip (i'm reading its the same as a 93c56) with a ch341a and as soon as I put the clip on, the usb dies

Desolder the chip my friend. Reading in circuit not the thing to do

[wallchips]

Ch341a programmer
Can I read /write to the st95320 eeprom chip inside the bcm circuit board ?
Is this a no no ? or do I have to desolder.
🙏

[fuzz1]

Most of the time you need to desolder.

[wallchips]

Cheers fuzz1

[nikeman]

hello. Is it possible to read with a modified programmer ch341a + adapter- eeprom 95640(airbag Audi A3) without soldering it from the board?
Thanks a lot
Sorry for my English

[tzepelvas]

Hello guys
I am a new in the forum , and it is my first attempt to change km . I have a few technical knowledge as electronic engineer that i am studying. I have 2*ch341 the one is as it was delivered and in the other one i have cut the 3,3v and i have add the capacitor that you said in this thread . I have desolder an 95040WP ST k645q from a cluster of yamaha x-max 250 2007. I have connect the epprom to the ch341 but i am keep reading zeros , ( everything is 00000 if i use the stock ch341 i read FFFFFFFFs ) .Could you help somehow to read the epprom ?
I have desolder the 95040 for my first time as an experiment because my goal in to fix a cluster from a yamaha x-max 300 (93c66 as have read here in the forum ). The eeprom of x-max 300 (2017) is under display , and it is a little bit difficult to desolder the display and the eeprom . The pcb has 8 pads on the back and you can check a photo in this thead ( the title of this thread below is wrong the cluster is from 2017 and after , the x-max of 2014 is completely different)
https://www.digital-kaos.co.uk/forum...highlight=xmax
From the 93c66 i read only ffffs .
Please tell me if i should buy another usb programmer , or do something differently.

[fuzz1]

Hi
As you say electronic engineer i guess you already ensured proper voltage to the chip. How did you connect the chip to the programmer? Bad connection sometimes gives your ff

[tzepelvas]

Hello , i just use this clamp to read the 95040 chip .photo_2022-07-20_14-46-21.jpg and i have connect to the ch341 with the adapter.photo_2022-07-20_14-50-29.jpg

[fuzz1]

Hi
Yes sometimes it works sometimes the clamp doesn't for me.

[tzepelvas]

I have the same results when i solder the epprom in the blue adaptor of ch341. i don't know what i am doing wrong.

[al70]

try another eeprom, maybe hardware problem, i have ch341 and stopped working after a couple of use's

[tzepelvas]

can you suggest me another usb programmer that you think is good for reading 95xxx and 93xxx ?

[al70]

i just purchased a TL 866 programmer, very handy tool

[fuzz1]

UPA s rarely fails to read write eeprom.

[7slave7]

hi, im intrested pinouts for use ch341 on 93xxx eeproms