netcoder

Just got my T48 :victory: could you please add a support of AM27C400@DIP40 for T48 since we have it for T56. Thanks!

Requan

Dears,I bought original T48, use the newest software and firmware, but it not working at all, video shown below, that it aren't able to write simple memory (24C32W):

https://files.fm/u/xk2xb7je5

I try to read and write the same memory with the same socket on my cheap programmer EPZ2019+ and it working without any problem.
Could You help me ?

admin

回复 52# Requan
Sorry .it was broken.
open the box . Test the voltage as picture.

2022-10-29 09:08

it 's normal about 3.25-3.35(3.3V), otherwise , Please replace the LDO  AMS1117-adj (Package:SOT89) .

Note:The LDO was found to have quality problems in the first batch of products(Production date is before July 2022).Very few T48 programming'LDO possible has problem.

Requan

Thank You for quick response and proffessional support.Yes, voltage is 1.8V instead 3.3V.
I will order LDO.