[TechAssist] Re: RCA G27647 / CTC203AX using Tri- CTC203 PS kit, different HOT?
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 20 Nov 2004 14:09:04 -0500
Wow.
Do an NTE search in their cross. It actually shows the D2578 as an"
NTE2353/DAMPER"
The unused silk screened holes marked CR14801 would take the place of an
HOT without a damper. The D2578 in this chassis has no use for that
diode . (see my later post) So, I'm confused(not unusual).
;-)
Phil
John at Main TV wrote:
>OK, that's not fair, answering your own questions! Just kidding. A 2SD2578
>is 60w/8A/0.3 Tf. A 2SC5148 is 50w/8A/0.3Tf. It is an alternate number for
>the CTC203 and is also used in the CTC197 and ATC113CA. Either one should
>work, the only real difference is that the D2578 has a 8mm mounting tab and
>the C5148 has a 10mm tab. Neither one indicates a damper inside. John.
>John Mielke
>Main TV
>636 main St.
>Longmont, Co
>phone 303 776 6955
>fax 303 776 0792
>maintv2004@xxxxxxxxxxx
>
>----- Original Message -----
>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Saturday, November 20, 2004 11:05 AM
>Subject: [TechAssist] Re: RCA G27647 / CTC203AX using Tri- CTC203 PS kit,
>different HOT?
>
>
>
>
>>I think I answered my own HOT cross question:
>>The orig. D2578 crosses to an NTE2353 "With Damper". "1500V,800V, 8A
>>current contin.,30A peak, 70 watt coll. disp.
>>The kit's C5148 crosses to an NTE 2324, no damper indicated. same other
>>specs as abovr (voltage, watts, current).
>>Just using NTE as a cross reference (don't rely on them), they are
>>different as I see, and I will not use the kit HOT.
>>Phil Bader
>>
>>
>>
>>Phil Bader wrote:
>>
>>
>>
>>>This set was subjected to a power surge (generator used) during our
>>>storms. After replacing a bulged main filter cap (680@200v) and an open
>>>R14103 (1 meg) the unit played OK.
>>>Since the PS was "stressed" I ordered a Tritronics "CTC203-KIT" with
>>>most of the smps parts included. I do this as a precaution.
>>>The original HOT was OK, but is included in the CTC203 kit.
>>>Problem:
>>>Original HOT part is a "D2578". Tritronics has a different number HOT in
>>>the kit, a "C5148".
>>>Can I use the C5148? Is an upgrade, or for other 203 version chassis???
>>>Keep the original and don't mess?
>>>Afraid to install until I know.
>>>Phil Bader
>>>
>>>
>>>
>>>
>>>
>>--
>>
>>Philip Bader
>>Jan Phyl TV Inc. (estab. 1976)
>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>Fax (863) 299-8821
>>email: tjanphyl@xxxxxxxxxxxxxxx
>>
>>
>>
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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