P
[email protected]
- Jan 1, 1970
- 0
Lately, one of my parents' laptop (a Packard Bell EasyNote E6305AR)
display died recently. Upon inspection, i found out that the inverter
circuit had a blown output transformer. The driver itself it's rather
simple, using a MP1015 IC which i'm told it's rather usual in these
cheap laptops.
The issue is that finding a replacement module where i live is rather
hard and i'd like trying winding an output transformer myself. The
original one was heavily epoxied - i managed to count 25 turns in the
primary, but the secondary, which was *way* thiner was in bad shape
and i couldn't get to unwind more than a few turns until it broke
under tension or i ran across a short.
Now, does anyone know an typical turn ratio for these devices (or an
output voltage)? Anything i can work with to make a good guess of the
original will be appreciated.
A datasheet for the MP1015 can be found at http://www.datasheet4u.com/download.php?id=527185
, for those interested.
display died recently. Upon inspection, i found out that the inverter
circuit had a blown output transformer. The driver itself it's rather
simple, using a MP1015 IC which i'm told it's rather usual in these
cheap laptops.
The issue is that finding a replacement module where i live is rather
hard and i'd like trying winding an output transformer myself. The
original one was heavily epoxied - i managed to count 25 turns in the
primary, but the secondary, which was *way* thiner was in bad shape
and i couldn't get to unwind more than a few turns until it broke
under tension or i ran across a short.
Now, does anyone know an typical turn ratio for these devices (or an
output voltage)? Anything i can work with to make a good guess of the
original will be appreciated.
A datasheet for the MP1015 can be found at http://www.datasheet4u.com/download.php?id=527185
, for those interested.