[TechAssist] Re: Panasonic CT-27S16CS (Chassis YAMEDP224C) HOT Part number?
- From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 17 Jun 2005 13:49:20 -0400
I did not replace such, there are 3 or 4 caps in the PF range in the driver
circuit.. The small driver transformer may be suspect also. Will continue to
work on set.
thanks
Bruce.
----- Original Message -----
From: "Eric Manuel" <tvman@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, June 17, 2005 12:52 PM
Subject: [TechAssist] Re: Panasonic CT-27S16CS (Chassis YAMEDP224C) HOT Part
number?
> Bruce did you replace the cap in the driver transformer primary..Eric
>
>
> Eric
> E M Electronics
> Deer Lake Nfld
> Canada
> tvman@xxxxxxxxxxxxxxx
>
> Bruce Tiedeman wrote:
>> I just checked the tube seems O.K. I do notice the H.O.T waveform
>> "trailing
>> edge of the at the bottom", is not square like most, it jogs up
>> slightly.
>> It may not be turning off properly. The print says, do not check the
>> H.O.T
>> collector waveform so the scope probe may be causing this condition. I am
>> using a D1881 now it is getting a little hot, will let it run and see,
>> may
>> have to order original.
>> this customer is impatient ,
>> thanks for your help,
>> Bruce.
>>
>>
>> ----- Original Message -----
>> From: "Webster's TV" <webstertv@xxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>
>> Sent: Friday, June 17, 2005 11:12 AM
>> Subject: [TechAssist] Re: Panasonic CT-27S16CS (Chassis YAMEDP224C) HOT
>> Part
>> number?
>>
>>
>>
>>>Bruce,
>>>
>>>The original part # for the H. O. T. is # BU2508DF, one thing that can
>>>cause failure of the H.O.T. besides the usual poor solder conections on
>>>the
>>>driver transformer, is a heater to cathode short in the Picture Tube, the
>>>tube will short intermittantly, turning bright blue, red, or
>>>green,depending
>>>on the short, the customer will leave the set on and in no time it draws
>>>enough current to blow the H.O.T. Usually tapping the neck of the tube
>>>when
>>>its playing OK will cause flashes of color of the shorted cathode. This
>>>may
>>>not be your problem, but I've had this problem several times in the past
>>>on
>>>these Quasar/Panasonic sets.
>>>
>>> HTH
>>>
>>> Dan Webster
>>> Webster's TV
>>> Shullsburg, Wi.
>>>----- Original Message -----
>>>From: "Bruce Tiedeman" <btied@xxxxxxxxxxxx>
>>>To: <techassist@xxxxxxxxxxxxx>
>>>Sent: Friday, June 17, 2005 8:18 AM
>>>Subject: [TechAssist] Panasonic CT-27S16CS (Chassis YAMEDP224C) HOT Part
>>>number?
>>>
>>>
>>>
>>>>Panasonic CT-27S16CS HOT Part number needed!
>>>>
>>>>I am hoping some one has information on this chassis. I repaired this
>>>>set
>>>
>>>a
>>>
>>>>short while ago replacing the shorted H.O.T with a similar one and it
>>>>came
>>>>back same problem." H.O.T shorted fuse OK". The H.O.T that was in this
>>>>set
>>>>was a C4927 and I now realize it is similar to some Sony sets. I am not
>>>
>>>sure
>>>
>>>>if this is correct. This T.V set was in another shop and the same
>>>
>>>transistor
>>>
>>>>was replace previous.
>>>>I soldered the Horiz section as usual and went over it again. If some
>>>>one
>>>>could confirm this part would appreciate it
>>>>
>>>>thanks
>>>>Bruce.
>>>>
>>>>B&T Electronics
>>>>139 Margaret St
>>>>Sarnia Ontario
>>>>Canada
>>>>N7T 2Y3
>>>>519 344 1850 .
>>>>
>>>>
>>>>--------------------------------------------------------------------------
>>>
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>>
>>
>>
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