Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Old September 24th 06, 01:01 PM posted to sci.electronics.repair
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Posts: 11
Default PTV 300 Flyback Replacement

Hi,

My set died again and I'm trying to find a replacement for the flyback on
the power supply board. The original sticker is 3620030005. The only ones
that I've found that look similar (angled HV input) are 362003-6 and
362003-7. I also have a newer power supply board that uses the 362140-1
flyback. I haven't dug into it yet however how can I determine which
replacement to get for the original flyback? Or, can I simply use one of
the newer style flybacks on the older power supply green PCB?

Thanks for all the help. I know this set is living on borrowed time however
after replacing the coolant and converging the set, the picture was really
good on it.

Kirk S.



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Old September 25th 06, 08:03 AM posted to sci.electronics.repair
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First recorded activity by DIYBanter: Jul 2006
Posts: 1,569
Default PTV 300 Flyback Replacement

On Sun, 24 Sep 2006 12:01:13 GMT, "Kirk S." put
finger to keyboard and composed:

Hi,

My set died again and I'm trying to find a replacement for the flyback on
the power supply board. The original sticker is 3620030005. The only ones
that I've found that look similar (angled HV input) are 362003-6 and
362003-7. I also have a newer power supply board that uses the 362140-1
flyback. I haven't dug into it yet however how can I determine which
replacement to get for the original flyback? Or, can I simply use one of
the newer style flybacks on the older power supply green PCB?

Thanks for all the help. I know this set is living on borrowed time however
after replacing the coolant and converging the set, the picture was really
good on it.

Kirk S.


The 362003-6 is subbed by the HR6541:
http://www.hrdiemen.es/products/img/esquemas/HR6541.gif

The 362003-7 is subbed by the HR6542:
http://www.hrdiemen.es/products/img/esquemas/HR6542.gif

The 362140-1 is subbed by the HR6493:
http://www.hrdiemen.es/products/img/esquemas/HR6493.gif

I don't see a sub for the "3620030005", though.

Note that the GIF files show the voltages on each of the windings when
connected to HR Diemen's FBT tester.

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.
  #3   Report Post  
Old September 25th 06, 01:08 PM posted to sci.electronics.repair
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First recorded activity by DIYBanter: Sep 2006
Posts: 11
Default PTV 300 Flyback Replacement

"Franc Zabkar" wrote in message
...
On Sun, 24 Sep 2006 12:01:13 GMT, "Kirk S." put
finger to keyboard and composed:

Hi,

My set died again and I'm trying to find a replacement for the flyback on
the power supply board. The original sticker is 3620030005. The only

ones
that I've found that look similar (angled HV input) are 362003-6 and
362003-7. I also have a newer power supply board that uses the 362140-1
flyback. I haven't dug into it yet however how can I determine which
replacement to get for the original flyback? Or, can I simply use one of
the newer style flybacks on the older power supply green PCB?

Thanks for all the help. I know this set is living on borrowed time

however
after replacing the coolant and converging the set, the picture was

really
good on it.

Kirk S.


The 362003-6 is subbed by the HR6541:
http://www.hrdiemen.es/products/img/esquemas/HR6541.gif

The 362003-7 is subbed by the HR6542:
http://www.hrdiemen.es/products/img/esquemas/HR6542.gif

The 362140-1 is subbed by the HR6493:
http://www.hrdiemen.es/products/img/esquemas/HR6493.gif

I don't see a sub for the "3620030005", though.

Note that the GIF files show the voltages on each of the windings when
connected to HR Diemen's FBT tester.

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.

Franc,

Thank you for the links. I found the site and printed off a few of the
schema files. I do not have one of their FBT testers nor a good FBT to
test. I'll look closer at the schematics to see if there are any reference
voltages.

Excuse my ignorance however what to each of the numbers on the schema mean?

Kirk S.


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Old September 26th 06, 12:59 AM posted to sci.electronics.repair
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First recorded activity by DIYBanter: Sep 2006
Posts: 11
Default PTV 300 Flyback Replacement

"Meat Plow" wrote in message
news
On Mon, 25 Sep 2006 12:08:42 +0000, Kirk S. Has Frothed:

"Franc Zabkar" wrote in message
...
On Sun, 24 Sep 2006 12:01:13 GMT, "Kirk S." put
finger to keyboard and composed:

Hi,

My set died again and I'm trying to find a replacement for the flyback
on the power supply board. The original sticker is 3620030005. The
only

ones
that I've found that look similar (angled HV input) are 362003-6 and
362003-7. I also have a newer power supply board that uses the
362140-1 flyback. I haven't dug into it yet however how can I
determine which replacement to get for the original flyback? Or, can

I
simply use one of the newer style flybacks on the older power supply
green PCB?

Thanks for all the help. I know this set is living on borrowed time

however
after replacing the coolant and converging the set, the picture was

really
good on it.

Kirk S.

The 362003-6 is subbed by the HR6541:
http://www.hrdiemen.es/products/img/esquemas/HR6541.gif

The 362003-7 is subbed by the HR6542:
http://www.hrdiemen.es/products/img/esquemas/HR6542.gif

The 362140-1 is subbed by the HR6493:
http://www.hrdiemen.es/products/img/esquemas/HR6493.gif

I don't see a sub for the "3620030005", though.

Note that the GIF files show the voltages on each of the windings when
connected to HR Diemen's FBT tester.

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.

Franc,

Thank you for the links. I found the site and printed off a few of the
schema files. I do not have one of their FBT testers nor a good FBT to
test. I'll look closer at the schematics to see if there are any
reference voltages.

Excuse my ignorance however what to each of the numbers on the schema
mean?

Kirk S.



Order code.
--
Pierre Salinger Memorial Hook, Line & Sinker, June 2004

COOSN-266-06-25794


FBT Pin number... DOH! I could actually look at the picture instead of not
being able to read the language...

Kirk S.


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Old October 2nd 06, 01:08 PM posted to sci.electronics.repair
external usenet poster
 
First recorded activity by DIYBanter: Sep 2006
Posts: 11
Default PTV 300 Flyback Replacement

"Meat Plow" wrote in message
news
On Mon, 25 Sep 2006 23:59:17 +0000, Kirk S. Has Frothed:

"Meat Plow" wrote in message
news
On Mon, 25 Sep 2006 12:08:42 +0000, Kirk S. Has Frothed:

"Franc Zabkar" wrote in message
...
On Sun, 24 Sep 2006 12:01:13 GMT, "Kirk S."

put
finger to keyboard and composed:

Hi,

My set died again and I'm trying to find a replacement for the
flyback on the power supply board. The original sticker is
3620030005. The only
ones
that I've found that look similar (angled HV input) are 362003-6

and
362003-7. I also have a newer power supply board that uses the
362140-1 flyback. I haven't dug into it yet however how can I
determine which replacement to get for the original flyback? Or,
can

I
simply use one of the newer style flybacks on the older power

supply
green PCB?

Thanks for all the help. I know this set is living on borrowed

time
however
after replacing the coolant and converging the set, the picture was
really
good on it.

Kirk S.

The 362003-6 is subbed by the HR6541:
http://www.hrdiemen.es/products/img/esquemas/HR6541.gif

The 362003-7 is subbed by the HR6542:
http://www.hrdiemen.es/products/img/esquemas/HR6542.gif

The 362140-1 is subbed by the HR6493:
http://www.hrdiemen.es/products/img/esquemas/HR6493.gif

I don't see a sub for the "3620030005", though.

Note that the GIF files show the voltages on each of the windings
when connected to HR Diemen's FBT tester.

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.
Franc,

Thank you for the links. I found the site and printed off a few of
the schema files. I do not have one of their FBT testers nor a good
FBT to test. I'll look closer at the schematics to see if there are
any reference voltages.

Excuse my ignorance however what to each of the numbers on the schema
mean?

Kirk S.


Order code.
--
Pierre Salinger Memorial Hook, Line & Sinker, June 2004

COOSN-266-06-25794


FBT Pin number... DOH! I could actually look at the picture instead of
not being able to read the language...

Kirk S.


LOL


--
Pierre Salinger Memorial Hook, Line & Sinker, June 2004

COOSN-266-06-25794

I've been informed that the 6542 *will* sub for the 362003-5 and the 6493 is
a direct sub for the 362140-1. Based on the board layout and specs, I
believe this is correct. Several of the power supply duds I have show the
layout for both transformers. It appears that pins one and three are
swapped on these two in addition to the obvious difference on the HV output.

Found several of the first on eBay for $3.00 each. It's worth a try!

Thanks for the info!

Kirk S.

even with a desoldering station, getting the pins loose it tough. Those
old boards have vias that were manually inserted into the boards and are a
tight fit for the pins. Any suggestions? The old transformers (white
blocks) are easy because the wires are exposed, the newer ones aren't the
same.




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