[TechAssist] Re: Update- Samsung TXK3276 interfering with AM radios a block away
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 26 Jul 2004 10:18:44 -0400
Do you have one of those little LED elctrical outlet testers to plug
into the power outlet in the customer's home to make sure the outlet is
wired correctly?
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
John @ Myers TV wrote:
> I made another trip to the customers home, with my B&K AC power supply. The
> AC leakage on this set is within normal limits. If I leave the isolation
> transformer in the line, the interference is greatly reduced.
> Next step is to go out, and start checking ncapacitors. I have the manual,
> so I'm covered there.
>
> Original post is below.
>
> Any ideas?
>
> John Myers
> Myers TV Service Since 1984
> Alliance, OH
> ph 330-821-6545
> www.alliancetvrepair.com
>
>
> This is an unusual one. The fellow lives in the country, has a Samsung
>
>>32"
>>
>>>>TV, that he got from his daughter. When he hooked it up, he found 2
>>
>>things
>>
>>>>happening:
>>>>
>>>>1) Interference from the TV can be heard on AM radios a city block
>
> away.
>
>>The
>>
>>>>interference diminishes after we pass the transformer on his line.
>>>>
>>>>2) When he hooks up his surge protector to the computer, and the TV is
>>>>plugged in, it trips the GFI on the circuit. They are both on the same
>>>>circuit. If the TV is unplugged, all is fine.
>>>>
>>>>Besides hooking up a surge protector, w/RF filtering at the TV, I'm
>>
>>leaning
>>
>>>>towards a bad electrolytic, or maybe regulator IC in the TV.
>
>
> ----- Original Message -----
> From: "John @ Myers TV" <myers_tv@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, July 19, 2004 9:56 AM
> Subject: [TechAssist] Re: Samsung TXK3276 interfering with AM radios a block
> away
>
>
>
>>Good question! I'll have to take the leakage meter with me on the next
>
> trip
>
>>out.
>>
>>John Myers
>>Myers TV Service Since 1984
>>Alliance, OH
>>ph 330-821-6545
>>
>>----- Original Message -----
>>From: "Gary McCartney" <gary@xxxxxxxxxxx>
>>To: <techassist@xxxxxxxxxxxxx>
>>Sent: Monday, July 19, 2004 9:51 AM
>>Subject: [TechAssist] Re: Samsung TXK3276 interfering with AM radios a
>
> block
>
>>away
>>
>>
>>
>>>Can you measure any leakage between the hot and cold grounds in the TV?
>>>
>>>
>>>
>>>
>>>Gary McCartney
>>>
>>>McCartney Electronics
>>>Guelph Ontario Canada
>>>Est. 1984
>>>email: gary (at) number63.ca
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>John @ Myers TV wrote:
>>>
>>>>Hi,
>>>>
>>>>This is an unusual one. The fellow lives in the country, has a Samsung
>>
>>32"
>>
>>>>TV, that he got from his daughter. When he hooked it up, he found 2
>>
>>things
>>
>>>>happening:
>>>>
>>>>1) Interference from the TV can be heard on AM radios a city block
>
> away.
>
>>The
>>
>>>>interference diminishes after we pass the transformer on his line.
>>>>
>>>>2) When he hooks up his surge protector to the computer, and the TV is
>>>>plugged in, it trips the GFI on the circuit. They are both on the same
>>>>circuit. If the TV is unplugged, all is fine.
>>>>
>>>>Besides hooking up a surge protector, w/RF filtering at the TV, I'm
>>
>>leaning
>>
>>>>towards a bad electrolytic, or maybe regulator IC in the TV.
>>>>
>>>>I'd appreciate any help.
>>>>
>>>>John Myers
>>>>Myers TV Service Since 1984
>>>>Alliance, OH
>>>>ph 330-821-6545
>>>>
>>>>"Life moves pretty fast.
>>>>If you don't stop and look around once in a while,
>>>>you could miss it."
>>>> Ferris Beuhler
>>>>
>>>>
>>>
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