I have checked the transistor with a multi-meter and it was damaged. Probably DoA or by heat.
After replacement, the problem is solved. The BL switches off completely.
Thanks for your support!!
Search found 5 matches
- Fri Apr 22, 2016 6:56 pm
- Forum: Electronic Mods
- Topic: backlight always on
- Replies: 41
- Views: 33779
- Thu Apr 21, 2016 10:12 pm
- Forum: Electronic Mods
- Topic: backlight always on
- Replies: 41
- Views: 33779
Re: backlight always on
It says BS170 on the transistor... it should be a BS170 (?) I'll try to find locally a 2N7000 transistor. I see on the wiki that it's the same with BS170 except it has the outer pins swapped. How many W for the 100k resistor? ------ The fact that it dims rather than switching completely off, isn't t...
- Thu Apr 21, 2016 9:31 pm
- Forum: Electronic Mods
- Topic: backlight always on
- Replies: 41
- Views: 33779
Re: backlight always on
er9x r820
v1.96-Mike
Sound Mode: Beeper (and I tried all modes and for some the display dims and won't go full brightness)
v1.96-Mike
Sound Mode: Beeper (and I tried all modes and for some the display dims and won't go full brightness)
- Thu Apr 21, 2016 8:05 pm
- Forum: Electronic Mods
- Topic: backlight always on
- Replies: 41
- Views: 33779
Re: backlight always on
I have a spare BS170 transistor, but identical and I'm thinking of replacing it..
- Wed Apr 20, 2016 4:10 pm
- Forum: Electronic Mods
- Topic: backlight always on
- Replies: 41
- Views: 33779
Re: backlight always on
Here it is, attached.