[TechAssist] Re: TT2168LS-YB11 HZ Output Transistor
- From: "Armando Guerra" <birdie@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 16 Jan 2006 08:08:26 -0800
On most of the sanyo's that I work on,I use a 2SD1879 with no problems at
all and they do run cool as long as you replace the small lytic in the
horiz. drive ckt.i.e.C408.
mando
AZ
----- Original Message -----
From: "Robert McPherson" <rm502@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, January 16, 2006 5:34 AM
Subject: [TechAssist] TT2168LS-YB11 HZ Output Transistor
> Hello:
> I have a customer set (Sanyo model DS25204 / Chassis DS25204-00) in my
> shop which has a shorted TT2168LS-YB11 HZ Output Transistor, location
> Q402. The closest service data (As far as I know) for this set is for the
> Sanyo DS25320 (HSPF # 4801) which uses a 2SD2578YB for the HZ Output. The
> 2SD2578YB is physically much larger than the TT2168LS-YB11 used in my
> customers set.
>
> I havent' been able to find a sub for the TT2168LS-YB11, and I have only
> located the exact # at Tritronics. Also, I have not been able to locate a
> data sheet for the TT2168LS-YB11. Has anyone come up with a sub for the
> TT2168LS-YB11? Also - I was wondering, since the related model uses a
> 2SD2578YB, how about drilling a mounting hole higher up on the heat sink
> and using a 2SD2578YB instead? By the way, I have used many 2SD2578s over
> the years, but not ones with the YB suffix. Haven't been able to find a
> data sheet on the YB variation. Anyone know what the YB means?
>
> Thanks!
>
> Robert McPherson
> Computer & Television Service
> 1322 Durrett Lane Louisville, KY 40213
> Telephone (502) 367-9324 Cellphone (502) 298-6997
> Email rm502@xxxxxxxxxxxxx
>
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