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What seems to be the problem with the one you have?Hello,
I need a Panasonic SMPS VSCS0936 Assy VEPS0167. I don't want the
repair kit, only the full SMPS in good working condition.
Thanks,
Daniel Trudeau
I've already changed all 'lytics and ceramic caps, most semiconductorWhat seems to be the problem with the one you have?
Millennium Electric
FREDDYG_001@MSN.COM (Millennium Electric) wrote in message news:<cecdc294.0308231521.76e1ee2c@posting.google.com>...
What seems to be the problem with the one you have?
Millennium Electric
I've already changed all 'lytics and ceramic caps, most semiconductor
and it still doesn't run. I got it with a big short on the HOT side.
Now, the fuse is no more blowing but the outputs are high. I tried
another transformer, same thing. If I short the opto, the winning
deseaper but the voltages gets to low.
The signal on the collector of the switching transistor have no sense,
so is the output.
Regards,
Daniel Trudeau
Whats model number of the unit your working on?
cap in front of reg xmister, and 18volt zener. I also change allFREDDYG_001@MSN.COM (Millennium Electric) wrote in message news:<cecdc294.0308241656.2819edcd@posting.google.com>...
ostieca@yahoo.ca (Daniel Trudeau) wrote in message news:<72f5fac2.0308240736.1aa54ec3@posting.google.com>...
FREDDYG_001@MSN.COM (Millennium Electric) wrote in message news:<cecdc294.0308231521.76e1ee2c@posting.google.com>...
What seems to be the problem with the one you have?
Millennium Electric
I've already changed all 'lytics and ceramic caps, most semiconductor
and it still doesn't run. I got it with a big short on the HOT side.
Now, the fuse is no more blowing but the outputs are high. I tried
another transformer, same thing. If I short the opto, the winning
deseaper but the voltages gets to low.
The signal on the collector of the switching transistor have no sense,
so is the output.
Regards,
Daniel Trudeau
Whats model number of the unit your working on?
Millennium Electric
It's a Quasar VH5371-K FCC: ACJ927056A
Regards,
Daniel Trudeau
The normal failed componets I find is pr101, q1001,1002,c15, bi-polar
Of course, yes.ostieca@yahoo.ca (Daniel Trudeau) wrote in message news:<72f5fac2.0308250632.460ad11c@posting.google.com>...
FREDDYG_001@MSN.COM (Millennium Electric) wrote in message news:<cecdc294.0308241656.2819edcd@posting.google.com>...
ostieca@yahoo.ca (Daniel Trudeau) wrote in message news:<72f5fac2.0308240736.1aa54ec3@posting.google.com>...
FREDDYG_001@MSN.COM (Millennium Electric) wrote in message news:<cecdc294.0308231521.76e1ee2c@posting.google.com>...
Are you testing this p/s first before you put it back
into the vcr?
Are you testing this p/s first before you put it back
into the vcr?
Of course, yes.
Regards,
Daniel Trudeau
I've had no problem testing Panasonic VCR power supplies on the bench.Daniel Trudeau:
It is not a very good idea to "test" the SMPS when it is not installed in
the VCR unless you are certain that you have ALL the correct loads properly
connected.
Since you have already replaced a fair number of parts, see if the power
supply works in the VCR.
If it still does not work, you may have missed a faulty component such as an
opto-isolator, transistor, diode, resistor, or electrolytic..... or even
something as simple as an ICP. Of course, the problem could also be in the
VCR circuitry or even the syscom chip
--
Best Regards,
Daniel Sofie
Electronics Supply & Repair
---------------------------------
"Daniel Trudeau" <ostieca@yahoo.ca> wrote in message
Are you testing this p/s first before you put it back
into the vcr?
Of course, yes.
Regards,
Daniel Trudeau
I've had no problem testing Panasonic VCR power supplies on the bench.
You do need a load on the +5.XX line nad maybe 1 or 2 others but that may
be safer than putting something that might not regulate properly in
the VCR. The power supply can also be tested using a Variac but a load
on the 5.XX line will still be needed.