[drakelist] Trade? TR7 for OmniV?

2005-11-22 Thread john
john [EMAIL PROTECTED] made an utterance to the drakelist gang -- I've got an extra TR7 station (with PS7 supply) in nice shape w/CW filter and working fine. Am interested in a trade for similar TenTec Omni V. Thanks for the

[drakelist] TR7 plastic end pieces

2005-11-22 Thread john
john [EMAIL PROTECTED] made an utterance to the drakelist gang -- Does anyone know of a source for the plastic end piece trim on the TR7s? Many thanks John K5MO -- No virus found in this outgoing message. Checked by AVG Free

Re: [drakelist] Certain R4B's may be factory wired for hum

2005-11-22 Thread Garey Barrell
Garey Barrell [EMAIL PROTECTED] made an utterance to the drakelist gang -- Dennis - See below ... Dennis Monticelli wrote: First of all, let me state more accurately the nature of the wiring error. The RED lead of the

Re: [drakelist] R-4B T-4XB question

2005-11-22 Thread Jason Buchanan
Jason Buchanan [EMAIL PROTECTED] made an utterance to the drakelist gang -- Dennis Monticelli wrote: Hi Jason, I also noted that CW notes were hum modulated in my R4B. Because you remember better performance in the past,

Re: [drakelist] R-4B T-4XB question

2005-11-22 Thread Greg
Greg [EMAIL PROTECTED] made an utterance to the drakelist gang -- My R4B (serial 11195) was in pretty bad shape before I restored it, I changed all electrolytics and some ceramic caps, changed the power rectifiers for standard

Re: [drakelist] R-4B T-4XB question

2005-11-22 Thread Michael NØXY
=?ISO-8859-1?Q?Michael_N=D8XY?= [EMAIL PROTECTED] made an utterance to the drakelist gang -- Adding a fan to the chassis next to the transformer makes the unit live alot longer, air-flow inside the unit was completely

Re: [drakelist] Certain R4B's may be factory wired for hum

2005-11-22 Thread Tom Evans, AG9X
Tom Evans, AG9X [EMAIL PROTECTED] made an utterance to the drakelist gang -- I just repaired my high-end Sony STR-GX67ES receiver where an electrolytic capacitor was installed backwards at the factory. The silk-screened printing

[drakelist] Help for R4A Passband Lever Removal

2005-11-22 Thread Peter Hoon
Peter Hoon [EMAIL PROTECTED] made an utterance to the drakelist gang -- Fellows, Am trying to remove R4A front panel for some restoration work (had no problems with T4XC, R4C, T4X). Was able to remove the vernier passband

Re: [drakelist] Help for R4A Passband Lever Removal

2005-11-22 Thread Cfzepp
[EMAIL PROTECTED] made an utterance to the drakelist gang -- Peter: Remove the PBT tuning knob, then take one hand and do your best to hold back or support the PBT PCB mounted switch assembly while pulling forward on the

Re: [drakelist] R-4B T-4XB question

2005-11-22 Thread Greg
Greg [EMAIL PROTECTED] made an utterance to the drakelist gang -- Kavin, I'll cc this to the list aswell, if anyone else would be interested. I left the original can in place to keep the looks, the new caps are much much

[drakelist] R-4B alignment questions

2005-11-22 Thread DW Holtman
DW Holtman [EMAIL PROTECTED] made an utterance to the drakelist gang -- Hello, to the Drake group, I have a couple of questuions, that I hope someone can help me with. I'm in the process of doing an alignment, trying to use

[drakelist] Fw: TR7 progress and questions

2005-11-22 Thread Floyd Sense
Floyd Sense [EMAIL PROTECTED] made an utterance to the drakelist gang -- Well, finally got around to installing the new driver transistors and the pre-driver transistor today. Things are looking up a bit as I now have 110W

Re: [drakelist] Help for R4A Passband Lever Removal

2005-11-22 Thread Peter Hoon
Peter Hoon [EMAIL PROTECTED] made an utterance to the drakelist gang -- To Don, WA9TGT Success This lever is attached to a long hollow shaft that slips about 3/8 inside a short thin wall brass tube that also slips over the

[drakelist] Re: T-4XB resistor burned - which one

2005-11-22 Thread Jason Buchanan
Jason Buchanan [EMAIL PROTECTED] made an utterance to the drakelist gang -- hi, After pouring over the schematic, I believe this may be R26, 680 ohm. Possibly 1/2 watt but i'm not sure. Does this ring any bells? Am in in

[drakelist] T-4XB resistor burned - which one

2005-11-22 Thread Jason Buchanan
Jason Buchanan [EMAIL PROTECTED] made an utterance to the drakelist gang -- hello, I was looking through my T-4XB today and noticed a burned resistor near the middle bandswitch rotor, underside of the chassis.

Re: [drakelist] Re: T-4XB resistor burned - which one

2005-11-22 Thread Garey Barrell
Garey Barrell [EMAIL PROTECTED] made an utterance to the drakelist gang -- Jason - I don't have my docs with me, but I think you have found the right one. It's the plate decoupling resistor for the Driver stage 12BY7, 680

Re: [drakelist] Certain R4B's may be factory wired for hum

2005-11-22 Thread Jim Shorney
Jim Shorney [EMAIL PROTECTED] made an utterance to the drakelist gang -- On Tue, 22 Nov 2005 12:39:33 -0600, Tom Evans, AG9X wrote: I just repaired my high-end Sony STR-GX67ES receiver where an electrolytic capacitor was

Re: [drakelist] R-4B T-4XB question

2005-11-22 Thread Dennis Monticelli
I am also making use of an external fan and it makes a big difference in terms of reducing heat buildup in the area of the power transformer and 6EH5. I simply attached some rubber feet to a 4 12VDC fan and let it sit over the hot region. It's powered with only 5V so the rpm is way down and

Re: [drakelist] R-4B T-4XB question

2005-11-22 Thread Dennis Monticelli
Hi Jason, I left the can in place and just disconnected it. Fresh radial caps were mounted on a small homemade PCB underneath the chassis. You need to use small modern caps in order for the board to fit. While I was in there, I went ahead and replaced the other electrolytics under the chassis (as