Peter: In addition to Herbert's excellent advice, check out the new additions to WB4HFN's web site and see the post by AL Parker, W8UT, here on replacing Drake rx electrolytics.
73 Peter VE3AX ----- Original Message ----- From: "Peter Hoon" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, March 17, 2004 10:37 PM Subject: [drakelist] Filter Cap on Drake R4A > > R4A: It appears that one or more sections of the Sangamo power supply filter > cap are defective, since I measure 5.2 volts p - p with a scope at the > junction of diodes D4 and D5 (156 VDC). And my power transformer gets very > hot. > > The cap is in a single aluminum Sangamo chassis mount with: > 100 MFD 200 VDC > 100 MFD 200 VDC > 100 MFD 200 VDC > 20 MFD 20 VDC > > 1) Anyone have a spare from an R4A they are parting out? > > 2) Suggestions for a source for this filter cap from others who have gone > before me. > > 3) Have improvisors found discrete caps from a source (pse recommend one), > left the chassis mount unit alone, and mounted these discrete caps under the > chassis? > > 4) Has anyone actually drilled out this filter cap shell, and mounted > discrete components inside? > > Any other ideas or comments appreciated. > > Peter, VE1CHS > > ---------------------------------------------------------------------- > Submissions: [EMAIL PROTECTED] > Subscribe: [EMAIL PROTECTED] - subscribe drakelist in body > Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body > Hopelessly Lost: [EMAIL PROTECTED] - help in body of message > Brought to you courtesy of TLCHost.net http://www.tlchost.net/ > ---------------------------------------------------------------------- ---------------------------------------------------------------------- Submissions: [EMAIL PROTECTED] Subscribe: [EMAIL PROTECTED] - subscribe drakelist in body Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body Hopelessly Lost: [EMAIL PROTECTED] - help in body of message Brought to you courtesy of TLCHost.net http://www.tlchost.net/ ----------------------------------------------------------------------
