A
ALPI
- Jan 1, 1970
- 0
I have a Daewoo TV and last week the DTV32D damping diode in the CRT HV
circuit blew up.
The different voltages as the 142 V for the HOT were good. The HOT was
OK and the dual diodes were also OK. The high voltage capacities are
all OK
Then I replace the DTV32D by a substitute BY359-1500.
In the standby mode it was OK but once i selected one channel, the
clamping diode instantly blew up again.
When I compare the substitute with the original one, I note a little
difference for the surge (10 ms) non repetitive forward current : DTV32
= 75 A while this characteristic for the BY359 is 60 A. All the other
characteristics are very similar.
Any idea of the problem ?
circuit blew up.
The different voltages as the 142 V for the HOT were good. The HOT was
OK and the dual diodes were also OK. The high voltage capacities are
all OK
Then I replace the DTV32D by a substitute BY359-1500.
In the standby mode it was OK but once i selected one channel, the
clamping diode instantly blew up again.
When I compare the substitute with the original one, I note a little
difference for the surge (10 ms) non repetitive forward current : DTV32
= 75 A while this characteristic for the BY359 is 60 A. All the other
characteristics are very similar.
Any idea of the problem ?
