[TechAssist] [Fwd: RCA CTC169CA,F27203WN.SMPS has raspy noise in stby: C4104 question]
- From: Phil Bader <philbad@xxxxxxxxxx>
- To: "techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
- Date: Mon, 29 Oct 2001 11:07:47 -0500
-------- 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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