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admin发表于 2021-8-20 08:20 | 显示全部帖子
回复 2# rom.cyncynatus

1. Is the chip direction reversed?
2. Check each line of the adapter with a multimeter.

PCB:
NAND_08-2.rar (547.34 KB)

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2#
admin发表于 2021-8-20 10:09 | 显示全部帖子
回复 4# rom.cyncynatus
UP48_SN003.rar (17.21 KB)
Up PCB
PCB_TSOP48.png

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3#
admin发表于 2021-8-20 11:07 | 显示全部帖子
回复 6# rom.cyncynatus

If other chips can be used, the programmer should be no problem .


Scrape the IC pins with a blade.

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4#
admin发表于 2021-8-21 11:01 | 显示全部帖子
回复 8# rom.cyncynatus

1. T00LS--> Self-check the programmer
2.  if no problem of Self-check,   Short-circuit all 48 pins of adapter with a wire for pin test.
3. upload your adapter pic

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5#
admin发表于 2021-8-22 08:22 | 显示全部帖子
回复 10# rom.cyncynatus

BAD CHIP

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