[R-390] Question

[Les Locklear]

This was originally improperly identified way back in March, 1984 in HSN Issue No. 1 as C-533. But, it originally came from TM 11-5820-358-35, pages 68 - 69. I was corrected in the follow-up HSN Issue No. 2 and properly identified as C-553. I guess it just slipped through the cracks over the years even after being the subject of great debate on this list as well as many others.

Les Locklear
Gulfport, Ms.
DX'ing Since '57

----- Original Message ----- 
  From: nryan at mchsi.com 
  To: rkofler at aol.com 
  Cc: r-390 at mailman.qth.net 
  Sent: Friday, April 22, 2011 6:25 PM
  Subject: Re: [R-390] Question


  Hi, Roger,

  It looks like there is a misprint on Figures 12-04 and 12-05 -- C-553 is shown as C-533.

  In these two illustrations the cap is shown lying horizontally.  In Figure 12-06 it is correctly labelled and lies vertically.  Notice that in all instances C-553 is connected to L-505.

  It matters not in which position C-553 lies -- it's simply a matter of getting the replacement cap to fit in nicely.  It's very crowded in there!  Use spaghetti on the leads as Chuck Rippel suggests.

  Hope this helps.

  73 de Norman, KG4SWM


  ----- Original Message -----
  From: rkofler at aol.com
  To: rbethman at comcast.net, r-390 at mailman.qth.net
  Sent: Fri, 22 Apr 2011 17:37:44 -0500 (CDT)
  Subject: Re: [R-390] Question

  Thank you Bob. That is clear enough. Sometime, take a look at the Y2K 
  Manual chapter 12 page 5. I'm sure its not bad info. I'm probably just 
  reading it wrong.

  Thanks again to all.
  Roger


  On 4/22/2011 5:40 PM, rkofler at aol.com wrote:
  > Thank you for all the responses. What I meant was, in the Y2K Manual,
  > there seems to be two models of IF sub-chassis, the older unmodified
  > model, and the newer MOD 1 sub-chassis. In the drawing of the older
  > chassis, C-553 is plainly visible. On the drawing of the newer MOD 1
  > chassis, C-553 is not listed. The reason I mentioned the trimmers on
  > top of the filters is that the manual mentions that as a way to tell
  > which model of chassis it is. If the filters have trimmers on top, it
  > is the newer MOD 1 chassis.
  >
  > Maybe I'm reading the manual wrong.
  >
  > Roger
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