[TechAssist] Re: [Fwd: RCA CTC169CA,F27203WN.SMPS has raspy noise in stby: C4104 question]
- From: Ralph Dorsey <Merlin-Wizard@xxxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 29 Oct 2001 12:30:24 -0600
i repair about two of these a day right now and i always change the 2.2,
the 15uf and the 39uf (or the 47uf) cap in ALL of these sets even if they
didn't come in for that work. Five minutes now saves you hours later if you
have ot go back out. You can get the cap's from Digikey
Phil Bader wrote:
> -------- Original Message --------
> Subject: RCA CTC169CA,F27203WN.SMPS has raspy noise in stby: C4104
> question
> Date: Mon, 29 Oct 2001 10:46:19 -0500
> From: Phil Bader <philbad@xxxxxxxxxx>
> Organization: Jan Phyl TV Inc. Winter Haven, Fl. Estab. 1976
> To: "CONSUMERELREPAIR-L@xxxxxxxxxxxxxxxxxxxx"
> <CONSUMERELREPAIR-L@xxxxxxxxxxxxxxxxxxxx>
>
> The SMPS is audibly raspy in standby,and under power it disrupts the
> picture stability. I pulled lytic C4104 near the SMPS IC, a 15 MFD @
> 50V. It measures 15 mfd and the ESR was about 5 ohms, but was visably
> leaking fluid. Question. 15 mfd is an "off" value. Can I use ,say, a 22
> mfd? Of is there a time constant issue here? I will alsi change out the
> other, C4102 (2.2@100V) as usual.
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