- 1. [Amps] SB200 Sick (score: 1)
- Author: chuck H <chuck96582000@yahoo.com>
- Date: Mon, 13 Feb 2006 09:01:13 -0800 (PST)
- I have a SB200 that ate a bandswitch (probably used on 11 meters before me) and replaced same. Problem is now, no output?? Setting keyed down in cw mode; radio on 28.500 output of rig 40 watts B+ = 2
- /archives//html/Amps/2006-02/msg00238.html (7,181 bytes)
- 2. [Amps] SB200 sick (score: 1)
- Author: chuck H <chuck96582000@yahoo.com>
- Date: Mon, 13 Feb 2006 09:33:17 -0800 (PST)
- I checked wiring of bandswitch; checks out fine straight forward only five connections 4 for loading coils and that is hard to screw up as they are cut to length and in order. The other one is for 10
- /archives//html/Amps/2006-02/msg00239.html (7,006 bytes)
- 3. [Amps] SB200 Sick (score: 1)
- Author: chuck H <chuck96582000@yahoo.com>
- Date: Mon, 13 Feb 2006 11:05:20 -0800 (PST)
- I made error about long wire on bottom of chassis, it goes to bandswitch. Also SB200 doesn't have zener diode. (I also owned one of those too) But just maybe tubes are shot. But tubes start glowing a
- /archives//html/Amps/2006-02/msg00241.html (6,652 bytes)
- 4. [Amps] SB200 Sick (score: 1)
- Author: chuck H <chuck96582000@yahoo.com>
- Date: Mon, 13 Feb 2006 13:25:13 -0800 (PST)
- I am trying to change coax inside fo amp. Also will try another set of tubes too! I did find doorknob cap from plate to load cap changed to 2000 MMFD at 6kv from 1000 MMFD at 6kv.???? I checked with
- /archives//html/Amps/2006-02/msg00242.html (7,308 bytes)
- 5. [Amps] SB200 Sick (score: 1)
- Author: chuck H <chuck96582000@yahoo.com>
- Date: Mon, 13 Feb 2006 13:32:56 -0800 (PST)
- Guess what C24 is cracked just like you said,but have already change with C26 for test haven't tried untill I change coax though. You're right the padder is 500uuf. C26 is engaged in 2 positions on b
- /archives//html/Amps/2006-02/msg00243.html (6,826 bytes)
- 6. [Amps] Sick SB200 (score: 1)
- Author: chuck H <chuck96582000@yahoo.com>
- Date: Wed, 22 Feb 2006 15:09:07 -0800 (PST)
- Any of you guys know the input impedence of two cetrons 572Bs? I need to retune the input network on this SB200. I checked tubes in another amp and they put out over 650 watts. I replaced band switch
- /archives//html/Amps/2006-02/msg00406.html (7,308 bytes)
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