[Drakelist] R4C Bias and S-meter setup?

Well I read the instructions in the manual but in the end it didn't seem like it was setup right: s-meter zero pot to mid range then setting the s-meter to S-3 (with a 1 micro-volt signal) and then setting the s-meter to a 30,000 micro-volt signal (60 over s-9). Before I started this the s-m

Re: [Drakelist] R4C unstable VFO

I bought a TR-4CW/RIT off ebay and it would jump in frequency even when just listening. I found that one of those dumbell ceramic capacitors inside the PTO had a very small crack in it. I replaced the cap and all is well. 73, Joe Pyles KC9LAD. At 05:19 PM 8/19/2010, you wrote: Hi People,

Re: [Drakelist] R4C unstable VFO

Sorry. Zener diode in the vfo Sent from my iPhone David Assaf, III On Aug 20, 2010, at 12:28 PM, David Assaf wrote: Change the 3zener diade in the CFO Sent from my iPhone David Assaf, III On Aug 19, 2010, at 4:19 PM, pony...@aol.com wrote: Hi People, I've got an R4C that is jumping

Re: [Drakelist] R4C unstable VFO

Change the 3zener diade in the CFO Sent from my iPhone David Assaf, III On Aug 19, 2010, at 4:19 PM, pony...@aol.com wrote: Hi People, I've got an R4C that is jumping frequency by +- 1 Khz, then slowly returns to the correct frequency only to repeat again, and again. I have instal

Re: [Drakelist] R4C unstable VFO

Hi People, I've got an R4C that is jumping frequency by +- 1 Khz, then slowly returns to the correct frequency only to repeat again, and again. I have installed the ground strap mod, and exchanged several tubes, cleaned the switching, and checked all the RCA jacks on the rear panel. At th

Re: [Drakelist] R4C static after Sherwood 3d mixer mod

of nowhere and last a few seconds. Took me weeks to find it. 73, Bob WW3QB --- On Sat, 7/31/10, K4GM- George wrote: From: K4GM- George Subject: [Drakelist] R4C static after Sherwood 3d mixer mod To: drakelist@zerobeat.net Date: Saturday, July 31, 2010, 8:06 AM I have obtained an R4C with

Re: [Drakelist] R4C static after Sherwood 3d mixer mod

Bob, Thanks for that "tip" for the R4C. I think I'll just "DeOxit" mine while it is on the bench being re-capped!!! Isn't this list the greatest?? 73, Don, WB5HAK ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailm

Re: [Drakelist] R4C static after Sherwood 3d mixer mod

rom: K4GM- George > Subject: [Drakelist] R4C static after Sherwood 3d mixer mod > To: drakelist@zerobeat.net > Date: Saturday, July 31, 2010, 8:06 AM > I have obtained an R4C with many of > the Sherwood mods installed including the solid state 3d > mixer which is supposed to elimina

[Drakelist] R4C static after Sherwood 3d mixer mod

I have obtained an R4C with many of the Sherwood mods installed including the solid state 3d mixer which is supposed to eliminate the dreaded frying crackle. Unfortunately occasionally I hear a bit of static sounding to me like what a brief solar flare might sound. It is not really a hiss but

[Drakelist] R4C noisy switch

Hi all, I think it's called the band pass switch; it's the AM, SSB, CW, and all the narrower CW positions. It's noisy. When slightly moving the switch it makes a lot of noise that causes the AVC to cut the received signal way down. Sometimes, in the AM position, I have to bang on the case sever

Re: [Drakelist] R4C - "Crack Bank"

Try a new tube in V4. 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs Chuck Pool wrote: Hello to all. Today there was a very loud "Bank and Crack" from the speaker. There is lots of scratching noises now coming from the speaker. The S-meter is now

[Drakelist] R4C - "Crack Bank"

Hello to all.    Today there was a very loud "Bank and Crack" from the speaker.  There is lots of scratching noises now coming from the speaker.  The S-meter is now pegged against the right side of meter, 60db plus, while trying to receive.   What is the best first step I should take to find the

[Drakelist] R4C Filters

Hi to the List! I was wondering if anyone has added additional 2nd IF filters to their R4C beyond the 3 provided with an external switchbox? I have the 500, 250 and 125 Hz installed in my 3 slots and was kind of wanting to add 1800 Hz or 2100 Hz for narrower SSB as well. I do have the Sherwoo

[Drakelist] R4C Schematic

I'm working on a really clean R4C - SN 16322 and I'm going blind trying to read the fuzzy copy of the schematic that came with the unit. Does anyone have a clean copy they could email? It would be highly appreciated! 73 Michael W7HUT mich...@rangefire.com ___

[Drakelist] R4C

Question to the group. I have two AM filters for the R4C. One a 4kc is in the normal AM slot. Can I add another AM filter, 6KC by placing it in a CW slot and will it work correctly? thanks tim ___ Drakelist mailing list Drakelist@zerobeat.ne

[Drakelist] R4C

Can a AM filer be placed in a CW filter slot on an R4C and still function correctly? Thanks Tim ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist

[Drakelist] R4C Panel

Hello,   I am looking to buy a front panel for my R4C.Late serial number with the 5 position modeMust be scratch free..Some nice person drilled a hole in it... Thank you,,Stan    VE3GN/VE3FKD   Ottawa Canada___ Drakelist mailing list Dra

Re: [Drakelist] R4C stand alone

I recently found (at Fry's Electronics) some BNC female to RCA male adapters which are small and light. A short piece of that military RG-174 with BNC connectors makes a neat and light adapter for the R4 series. The military RG-174 seems plentiful at hamfests. Or, just solder up a standard

Re: [Drakelist] R4C stand alone

Don't forget an antenna relay if you will be using a transmitter so you don't accidentally put RF power into the receiver! Chuck, AC7GZ Don Cunningham wrote: Doyle, To use the rig, just turn the function switch to on, NOT ext mute and it will work stand alone. If you want to use the NB or Ca

Re: [Drakelist] R4C stand alone

Doyle, To use the rig, just turn the function switch to on, NOT ext mute and it will work stand alone. If you want to use the NB or Cal functions, you will need a shorted RCA plug in the mute jack for those functions to work. In using an RCA to SO-239 antenna adapter, be careful not to overst

[Drakelist] R4C stand alone

GM, I have a friend who owns a R4C (no TX4C) & wants to use it stand alone. What connections does he have to make to make it work. Thanks in advance. Doyle/N4VV ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mai

[Drakelist] R4C Sherwood MIX-4

Anyone know what IC is used in the MIX-4 (Sherwood R4C third mixer)? I'd like to get the part number so I can download a data sheet. 73, Stew K3ND ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/

Re: [Drakelist] R4C AGC Switch

The AGC switch on the TR5 is a simple 2 pole 4 position switch. Just glancing at the R-4C diagram, you should be able to make it work. ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist

Re: [Drakelist] R4C AGC Switch

ot;Drakelist" Sent: Friday, March 27, 2009 10:12 AM Subject: [Drakelist] R4C AGC Switch I've located a AGC switch that is NOS for the TR5. Does anyone know if this is the same type wafer switch used in the R4C? (My R4C has a cracked wafer) I don't have a TR5 schematic to check. T

[Drakelist] R4C AGC Switch

I've located a AGC switch that is NOS for the TR5. Does anyone know if this is the same type wafer switch used in the R4C? (My R4C has a cracked wafer) I don't have a TR5 schematic to check. The TR5 front panel shows the same four positions as the R4C but don't know about the actual switch confi

[Drakelist] R4C AGC Switch Needed

I'm presently reconditioning an R4C. I noticed that the wafer of the AGC switched is broken. The previous owner apparently was a "hacker" as some other things in the receiver were pretty shoddy. Anyway, I like to replace this switch. Anyone have one or could suggest a source? 73, Stew K3ND

[Drakelist] R4C wanted

I am looking for a late R4C in good working condition but does not have to be mint cosmetically. Would prefer one with some filters and Sherwood mods. 73, Ken K5KA in Oklahoma ___ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobea

Re: [Drakelist] R4C

n Behalf Of John > Sent: 25 February 2009 00:15 > To: Richard J. Fiero II W5TFW; drakelist@zerobeat.net > Subject: Re: [Drakelist] R4C > > > You mean RadioMart(y)? > > ;-) > > John > > > At 04:28 PM 02/24/2009, Richard J. Fiero II W5TFW wro

Re: [Drakelist] R4C

list@zerobeat.net Subject: Re: [Drakelist] R4C You mean RadioMart(y)? ;-) John At 04:28 PM 02/24/2009, Richard J. Fiero II W5TFW wrote: >That SALESMAN,... ( no Names ) is at it again on e bay. I cant >believe, he is still

Re: [Drakelist] R4C

You mean RadioMart(y)? ;-) John At 04:28 PM 02/24/2009, Richard J. Fiero II W5TFW wrote: That SALESMAN,... ( no Names ) is at it again on e bay. I cant believe, he is still getting people to buy from him ! Joey

[Drakelist] R4C

That SALESMAN,... ( no Names ) is at it again on e bay. I cant believe, he is still getting people to buy from him ! Joey A.R.S. W5TFW Richard J.

[Drakelist] R4C BFO

I turned on the R4C to discover that audio was only being output in the AM mode. The trouble turned out to be the BFO device, Q5, an NPN device 2N3394. I replaced it with a 2NA and we're back in business. I have not seen this failure posted on the Drakelist so thought I'd drop it in here.

Re: [Drakelist] R4C Second Mixer Mod

I used to have one of those back in 1973 and yes it wasn´t that good. Back then I made a quick fix, I attenuated the signal before 2:nd mixer and amplified it back up again after, 20 dB I think it was. Understand you dont like to modify it a lot however if you can find QEX Jan/Feb 2006 and read w

[Drakelist] R4C Second Mixer Mod

I recently acquired a C-line in very good condition. I never had one "in the day" and always wanted one. Before the purchase, I asked my friend if the R4C was the later model (5 position mode switch) and he told me it was. As I picked up the radios, I noticed that the R4C was the earlier model

Re: [Drakelist] R4C Cap Values

Hello Garey, Stew, and the group. A new guy here. We've seen three (3) different versions of the higher voltage R-4C can-cap: 200/100/20 uF @ 200V as you mentioned, 100/100/20 uF @ 200V, and 200/100 uF @ 200V. I have it in my notes somewhere that the 200/100 was used in S/N's below 21000.

Re: [Drakelist] R4C Cap Values

Stew - 3000 / 1000 uF @ 20 VDC 200 / 100 / 20 uF @ 200 VDC Check with Tom at Note Version differences... 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs GALE STEWARD wrote: Anyone know the values of

[Drakelist] R4C Cap Values

Anyone know the values of the can-type power supply caps in the R4C? My schematic isn't the best and I can't read the values. I believe that one dual cap is 1000uf and 3000uf. I can't decipher the other. TNX & 73, Stew K3ND ___ Drakelist mai

[Drakelist] R4C function switch, feet

The detents on the function switch on my R4C have worn out. At least they do not stop the switch at the functions. (except for the first one) I have reviewed the archives on the subject. Before attempting the silver solder repair, does anyone have a function switch they would part with. I

Re: [drakelist] R4C Rubber Bushing Replacement

Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Oops..Move those decimals one step to the left!9.5 and 16.. Is that closer? 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B & C-Line Servic

Re: [drakelist] R4C Rubber Bushing Replacement

Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Wade - The original bushing was pretty hard as well. If it is the ribbed gray material, try sanding the ends to roughen them up a bit. Then be sure to

[drakelist] R4C Rubber Bushing Replacement

"H D MAC LEOD" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hello Drake List: My R4C needs to have the rubber bushing (which resides under the VFO knob skirt) replaced as it is now rock solid. I have read WB0I

Re: [drakelist] R4C function switch

zonden: donderdag 27 december 2007 21:10 Aan: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> Onderwerp: Re: [drakelist] R4C function switch Christopher Kovacs <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> made an utterance to the drakelist gang -

RE: [drakelist] R4C function switch

IL PROTECTED] Namens Christopher Kovacs Verzonden: donderdag 27 december 2007 21:10 Aan: [EMAIL PROTECTED] Onderwerp: Re: [drakelist] R4C function switch Christopher Kovacs <[EMAIL PROTECTED]> made an utterance to the drakelist gang -

Re: [drakelist] R4C function switch

Christopher Kovacs <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- I had a problem with my function switch. It lost it's indent so that you could not feel the indent of where the switch position was located. I

RE: [drakelist] R4C function switch

to hear the result. Rich - KE1EV _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of DW Harms Sent: Thursday, December 27, 2007 11:28 AM To: [EMAIL PROTECTED] Subject: [drakelist] R4C function switch Drakelist de PA2DW, The function switch (off/stby//on/ext.mute/etc.) in my R4C is beg

Re: [drakelist] R4C function switch

As a side note, using a Variac or Powerstat to turn an outlet strip on/off, gently at that,?is particularly nice when an indicating meter is part of the arrangement. -Original Message- From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thu, 27 Dec 2007 1:24 pm Subject: Re: [drakelist

Re: [drakelist] R4C function switch

[EMAIL PROTECTED] (mailto:[EMAIL PROTECTED]) writes: Drakelist de PA2DW, The function switch (off/stby//on/ext.mute/etc.) in my R4C is beginning to warn-out. Too much on/off switching Hi Dick, Lots of the old equipment falls into that category. I was advised to use one of the multi outl

[drakelist] R4C function switch

Drakelist de PA2DW, The function switch (off/stby//on/ext.mute/etc.) in my R4C is beginning to warn-out. Too much on/off switching I guess hi! I have fixed it temporarely, but it is obvious I need a new one. In fact I only need the shaft with the "step-organiser" or how would we call that part.

[drakelist] R4C update unstable PTO

"Hubert ROTH" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hello every body As soon as I went back from hollidays I took the PTO again on the bench. I removed the buffer and changed all the resistors and the c

Re: [drakelist] R4C problems

"Dennis Monticelli" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- FYI. Any zener diode that breaks down above 5V is not "zenering." It is in avalance breakdown.by design. You simply cannot tunnel carriers a

Re: [drakelist] R4C problems

john <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Enjoy the K1 Hubert... love mine almost as much as the TR7s. 73 John K5MO At 02:49 PM 8/5/2007, you wrote: "Hubert ROTH" <[EMAIL PROTECTED]> made an utteranc

Re: [drakelist] R4C problems

"Hubert ROTH" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Thank you all , I saved a load of them years ago !! I ll go for two weeks check if the mediterranean sea is still there and will put this case on the

Re: [drakelist] R4C problems

WB5HAK - Original Message - From: "john" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, August 05, 2007 1:25 PM Subject: Re: [drakelist] R4C problems john <[EMAIL PROTECTED]> made an utterance to the drakelist gang -

Re: [drakelist] R4C problems

john <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- If it turns out bad, I may have one... Best John K5MO At 01:53 PM 8/5/2007, you wrote: Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist

Re: [drakelist] R4C problems

Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hubert - Yes, that would be CR5. It is a Germanium diode (1N270), which is difficult to find these days. A Schottky such as 1N5711 should work ok i

Re: [drakelist] R4C problems

lt;[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, August 05, 2007 3:52 PM Subject: Re: [drakelist] R4C problems Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hubert - Most ar

Re: [drakelist] R4C problems

Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hubert - Most are around 1.6v p-p on the green wire. I have seen them as low as 1.4 and as high as 1.7. Late receivers changed C119 (Pi-net matching

Re: [drakelist] R4C problems

"Hubert ROTH" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Garey BTW Do you have the normal output voltage without load from the PTO? Hubert

Re: [drakelist] R4C problems

"Hubert ROTH" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- So Garrey I sprayed and heated, nothing exept nomal drift, I changed the 1 Mohm gate resitor and the source resistor, remains only these caps! I will

Re: [drakelist] R4C problems

Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Well the only thing I can think of to try at this point would be to disconnect one end of the tubular TC cap. The frequency will shift, and the tempe

Re: [drakelist] R4C problems

"Hubert ROTH" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- I tried a J310 a BF256C always the same. Oscillator is the BF256C Buffer amp is a 2N3404 now. About the caps I agree but as I get over 9V signals turns

Re: [drakelist] R4C problems

Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hubert - I find it hard to believe that a cap is breaking down at 10V and not at 8V. What FET are you using? ALL FETs have a range of cur

Re: [drakelist] R4C problems

"Hubert ROTH" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hi Garey Thanks for the answer. I checked that. Problem subsists even with a lab supply in place of the 11V Stability turns to normal at 8V but than I

Re: [drakelist] R4C problems

Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hubert - Check the +11V power supply, which is derived from the +150 supply. Check for ripple on the +150V and C165. Sounds like the correct 10V Z

[drakelist] R4C problems

"Hubert ROTH" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hello I am putting on the air a Drake Cline. R-4C sn 25508 has following problems. While tuned on a frequency frequency is juming a few hertz erratic

RE: [drakelist] R4C

$200 - $400 - depending on "how nice". If it has crystals, filters and Noise blanker. more on the high or higher end. _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rick Tucker Sent: Thursday, May 17, 2007 9:01 PM To: [EMAIL PROTECTED] Subject: [drak

Re: [drakelist] R4C

Thanks Evan, Rick W0RT - Original Message - From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, May 17, 2007 8:19 PM Subject: Re: [drakelist] R4C [EMAIL PROTECTED] made an utterance to the drakelist gang

Re: [drakelist] R4C

[EMAIL PROTECTED] made an utterance to the drakelist gang -- Rick, Depends on which of the three production runs, serial number, and electrical and cosmetic condition. Range would be $150-$400 depending on these factors. 73,

[drakelist] R4C

What is the going rate for a stock R4C in nice condition? Rick W0RT

[drakelist] R4C

I would like to buy a clean, operating R4C. CW filter, noise blanker and extra crystals are a plus. Any leads appreciated. Have fun at Dayton -- wish I could go. Rick W0RT

[drakelist] R4C FL 500 Filters and crystals

FS Drake FL 500 Filter 500Hz $49 plus shipping Crystals $10 each plus shipping 6.555 12.61.5 to 2.0 Meg 14.13.0 to 3.5 Meg 15.14.0 to 4.5 15.64.5 t0 5.0 17.16.0 to 6.5 18.67.5 to 8.0 20.69.5 to 10.0 21.110.0 to 10.5 26.115.0

[drakelist] R4C spurious images

Andy Bullington <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- I had a great time with my T4XB and R4C working the CX contest yesterday but today I noticed two strong signals where they shouldn't be. I get the A

[drakelist] R4C Power Transformer

I have a R4C with an intermittant in the filament secondary. Will the transformer out of an earlier model (A or B) work? Does anyone out there have a power transformer for a R4C or parts radio they are willing to "part" with? Chuck K4QSNo banners. No pop-ups. No kidding.Make My Way your home on

Re: [drakelist] R4C Filters

Or a good 2.1 from fox tango is pretty nice too. I have a sherwood 16 pole that's a 2.0 also. Its like the size of a pack of cigs. I think I like the 2.1 better.   Mark W0NCL

Re: [drakelist] R4C Filters

"Gary Poland" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Tim, The FL-1500 is still found on Ebay but is a bit narrow for SSB. I suggest a 1.8 khz filter from Sherwood or INRAD. You'll probably end up paying

RE: [drakelist] R4C Filters

Z -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tim Randa Sent: Wednesday, April 26, 2006 8:14 AM To: drakelist@www.zerobeat.net Subject: [drakelist] R4C Filters Tim Randa <[EMAIL PROTECTED]> made an utterance

Re: [drakelist] R4C Filters

Allen Turner <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Check out these sites, http://www.sherweng.com/index.html and, http://www.qth.com/inrad/ Al, n7ioh On Apr 2

[drakelist] R4C Filters

Tim Randa <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- What is the going price for the 1.5kc filter that plugs into the back of the R4C ? Are they hard to find? Is there a new replacement still being made ?

[drakelist] R4C repair

Hi all,   I recently re-tubed my R4C and added filters and extra crystals. To my surprise, after three great days, the receiver would not turn on. I detected smoke around the function switch but other than that I have no idea what went  wrong. Could you suggest the best person/place for Drake

[drakelist] R4C

"Richard J. Fiero II W5TFW" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- I am in the Market for a R4C you can reach me at [EMAIL PROTECTED]

[drakelist] R4C mods

"Greg." <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- I started restoring my R4C, as it was full of not-so-pretty mods I'm restoring it more or less to original so I can see the effect of the mods as I add them,

Re: [drakelist] R4C RF Gain Tab Removal

Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Bob - It is just a "press fit" over the pot shaft and will come off with "persuasion". I use a screwdriver, placing the end against the back of the

Re: [drakelist] R4C RF Gain Tab Removal

Bob   The tab is soldered to a brass bushing that is pushed on over the control shaft, just a friction fit. They can be stuborn but will pull off. Place some heavy cardboard near the shaft to protect the front panel and pry it off with a screwdriver.   73, Gary

Re: [drakelist] R4C RF Gain Tab Removal

"Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- On Fri, 3 Feb 2006 20:30:06 -0700, [EMAIL PROTECTED] wrote: >Question: The tab for the RF gain seems to be soldered to the outer shaft on >the potent

[drakelist] R4C RF Gain Tab Removal

Folks,   I need to remove an R4C front panel to get to the main tuning mechanism for repairs. Haven't had to do that before.   Question:  The tab for the RF gain seems to be soldered to the outer shaft on the potentiometer. The knob comes off but the RF control tab does not.  Do I really hav

Re: [drakelist] R4C PTO restoration

Sure Greg, they can be adjusted.   Here is a link to help: http://www.wb4hfn.com/DRAKE/DrakeArticles/PTO/Drake_PTO.htm   73, Joe N9JRGreg <[EMAIL PROTECTED]> wrote: "Greg" <[EMAIL PROTECTED]>made an utterance to the drakelist gang---

[drakelist] R4C PTO restoration

"Greg" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hey, I'm restoring an early serial R4C and have just put the PTO back in place, however I don't quite like the feel of it, it's a bit lose in the ballbearings,

[drakelist] R4C Nosie Blanker FS

"Shagbark Acres" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Happy New Year... Starting to clean out the shack and came across a Drake noise blanker. Marked R4C NB on the back side. Open to reasonable offer

RE: [drakelist] R4C +B Voltage

"Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- On Sat, 24 Dec 2005 12:52:52 -0600 (CST), Jim Shorney wrote: >Most modern DVMs will do that, as >long as you take care not to exceed the maximum input r

Re: [drakelist] R4C +B Voltage

"Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- On Sat, 24 Dec 2005 13:02:32 -0500 (EST), Ron Wagner wrote: >Yes I mean series. Brain was not in gear this morning. > That seems to be going around.

RE: [drakelist] R4C +B Voltage

"Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- On Sat, 24 Dec 2005 10:22:43 -0800, W7RY wrote: >No. >To measure ripple you simply measure across the filter capacitor with a >DVM set to the AC positio

RE: [drakelist] R4C +B Voltage

PROTECTED]; Ron Wagner Cc: drakelist@www.zerobeat.net Subject: Re: [drakelist] R4C +B Voltage "Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- On Sat, 24 Dec 2005 07:09:05 -0500 (EST), Ron Wagn

Re: [drakelist] R4C +B Voltage

Ron Wagner <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Yes I mean series. Brain was not in gear this morning. On Sat, 24 Dec 2005, Jim Shorney wrote: "Jim Shorney" <[EMAIL PROTECTED]> made an utterance to

RE: [drakelist] R4C +B Voltage

] On Behalf Of [EMAIL PROTECTED] Sent: Saturday, December 24, 2005 2:22 AM To: drakelist@www.zerobeat.net Subject: [drakelist] R4C +B Voltage [EMAIL PROTECTED] made an utterance to the drakelist gang -- Hello My R4C has develo

Re: [drakelist] R4C +B Voltage

"Jim Shorney" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- On Sat, 24 Dec 2005 07:09:05 -0500 (EST), Ron Wagner wrote: >you can use a 10uf or so capacitor rated for 200 volts in parallel with a >DVM (or analog

Re: [drakelist] R4C +B voltage

[EMAIL PROTECTED] made an utterance to the drakelist gang -- Thank you. I got a lot of suggestions a lot. I am sorry, those suggestions have not been tested yet. How many volts is the AC output voltage of transformer? There ar

Re: [drakelist] R4C +B Voltage

Ron Wagner <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Ishii, I see others tell you to parallel a cap across C163 for a test. I see using a scope etc too. If you are like me, somewhat test equipment poor, y

[drakelist] R4C +B Voltage

"Peter Hoon" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Ishii, In my point 6 in last message, be sure R4C is unplugged from power mains and turned off. Peter -

[drakelist] R4C +B voltage

"Peter Hoon" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Sorry Ishii, stayed up too late. If you have either a yes to 3), a yes to 4), or a no to 6), replace the electrolytic capacitor. If you have a no to 3),

[drakelist] R4C + Voltage

"Peter Hoon" <[EMAIL PROTECTED]> made an utterance to the drakelist gang -- Hello Ishii, Think first issue is to check one or more electrolytics associated with +150V supply (and maybe others as well). Try this: 1) Mount two s

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