Subject: [Kenwood] Difference between 850sat and 940sat

Mon, 19 May 2003 19:52:22 +1000

The 940 has a better noise blanker, but the TS850 can be modified to update
to same by removing C618 &C619 from the noise blanker circuit..I personally
prefer the 850s for it's great receiver.
----- Original Message -----
From: <[email protected]>
To: <[email protected]>
Sent: Monday, May 19, 2003 6:04 PM
Subject: Kenwood digest, Vol 4 #141 - 7 msgs


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> Today's Topics:
>
>    1. TS-180S ([email protected])
>    2. Heath, Knwd, Yaesu Misc FS (Jerry)
>    3. TS-430 Vs. Lightning Bolt (Joseph DiPietro)
>    4. new Kenwood radio? (k6xr)
>    5. TS-930S: No Display or Audio ([email protected])
>    6. Difference between 850sat and 940sat (Hart Engel)
>    7. Kenwood production years (Mike Steussy - AE4R)
>
> --__--__--
>
> Message: 1
> From: [email protected]
> Date: Sun, 18 May 2003 04:38:14 EDT
> To: [email protected]
> Subject: [Kenwood] TS-180S
>
> Does anybody know as adding the Band of 27MHz in the TS-180S?
> We are a club of Radioamateurs, that also organizes the citizen bands 11
> meters.
>
> The frequencys are:    26.965 ..... 27.605 MHz
>
> What to do for this?
>
>
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> --__--__--
>
> Message: 2
> From: "Jerry" <[email protected]>
> To: <[email protected]>
> Date: Sun, 18 May 2003 11:01:47 -0700
> Subject: [Kenwood] Heath, Knwd, Yaesu Misc FS
>
> Please reply off list to    [email protected]
>
> All prices are shipped to CONUS only.
>
> Heath SB-634 Station Console fair/good condition $135.
>
> Kenwood MB-13 (same as MB-10) mobile mount New In Box $35.
>
> Yaesu FC-902 Antenna Matcher (Tuner) $150 fair/good condition $150.
>
> Jerry in Sacramento, CA.
>
>
>
> --__--__--
>
> Message: 3
> Reply-To: "Joseph DiPietro" <[email protected]>
> From: "Joseph DiPietro" <[email protected]>
> To: <[email protected]>
> Date: Sun, 18 May 2003 16:47:19 -0400
> Organization: joeham.net
> Subject: [Kenwood] TS-430 Vs. Lightning Bolt
>
> Here is a challenge for all of you Kenwood experts.
>
>
>
> I bought (cheap) a TS-430 that had experienced an altercation with a
> lightning bolt.  The hit came through the PS-430.  The antenna was not
> connected and the rig was not powered up.
>
>
>
> The rig was turned on after the strike.  Unfortunately the power supply
was
> putting out about 25VDC at the time.
>
>
>
> Results:
>
>
>
> The receiver was dead.  The transmitter was dead.  The power supply was
> putting out 25VDC.
>
>
>
> What I have done so far:
>
>
>
> Every transistor in the power supply was blown and several pc board traces
> were vaporized.  It has been fixed.
>
>
>
> The receiver audio amp, IC5 in the IF unit, was blown.  After replacing
it,
> the receiver worked fine.
>
>
>
> Now on to the transmitter; there was RF power out of Q1 on the Final Unit.
> Q2 and Q3 were shorted, Q5 and Q6 were shorted and R15 and R16 exploded.
I
> replaced those parts.  Now I have RF on the bases of Q2 and Q3, but no
power
> out of them.
>
>
>
> Looking closer at Q2 and Q3 I discovered a strange inconsistency between
the
> Kenwood schematic and reality.  The transistors are indicated as 2SC2509.
> The schematic shows the center pin of this TO-220 transistor to be the
> emitter.  The schematic shows the emitters are at ground.  The pc board
view
> in the service manual, and the circuit board itself, have the center pin
> (and tab) of the transistor at ground.
>
>
>
> All of this is wonderful, except the center pin and tab of a 2SC2509 is
the
> Collector!  I called Kenwood service and asked about this.  The tech I
spoke
> with got rather huffy at me for implying that there was something wrong,
but
> about an hour later he called me back and said I was right, there was
> something strange going on.  His suggestion was that I order the parts
from
> Kenwood.
>
>
>
> Does anyone out there have any experience with replacing these driver
> transistors?  Has anyone noticed that the Kenwood schematic has the
emitter
> and collector of these transistors switched?  Does it really matter?
>
>
>
> What else could be wrong with the transmitter?
>
>
>
> Clues?  Suggestions?  Advice?
>
>
>
> Thanks
>
>
>
> Joe DiPietro
>
> [email protected]
>
>
>
>
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> --__--__--
>
> Message: 4
> From: "k6xr" <[email protected]>
> To: "Kenwood@Mailman. Qth. Net" <[email protected]>,
> "Kenwood570@yahoogroups. com" <[email protected]>
> Date: Sun, 18 May 2003 15:33:22 -0700
> Subject: [Kenwood] new Kenwood radio?
>
> Did Kenwood introduce a new radio at Dayton?  url? specs?
>
>
>         Reggie K6XR
>
>
> --__--__--
>
> Message: 5
> From: [email protected]
> Date: Sun, 18 May 2003 18:33:11 EDT
> To: [email protected]
> Subject: [Kenwood] TS-930S: No Display or Audio
>
> Hello Kenwood Gang:
>
> Just had a TS-930S/AT returned that I sold from a local estate, it worked
for
> a few days, then lost the display and audio output.
>
> And yes, I know this has probably been discussed adnauseam, but I didn't
pay
> attention before and take notes (as I probably should have).
>
> Any hints ??  i.e., PLL, battery, etc ??  And, how do I acccess the
archival
> discussion on these topics ??
>
> Tnx & 73's
>
> Bill  W6WCW  (E-Mail: [email protected])
> Santa Barbara, Ca.
> ============================END======================
>
> --__--__--
>
> Message: 6
> From: "Hart Engel" <[email protected]>
> To: [email protected]
> Date: Sun, 18 May 2003 21:30:32 -0400
> Subject: [Kenwood] Difference between 850sat and 940sat
>
> Can anyone tell me what the difference between these two rigs are. 850 and
> the 940. I recently say these 2 rigs up 4 sale in the used section of my
> local ham store, they are both the same price. I'm wondering what there
ages
> are and what internal differences they may have for phone use.
>
> Hart
>
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> --__--__--
>
> Message: 7
> Date: Sun, 18 May 2003 21:40:26 -0400
> From: Mike Steussy - AE4R <[email protected]>
> Reply-To: [email protected]
> To: [email protected]
> Subject: [Kenwood] Kenwood production years
>
> Ahoy! Is there a site or source of historical info on Kenwood amateur
> equipment that includes years of production?  I'm mainly interested in
> the models I have, but suspect others who read this list would like to
> know, too.
>
> 73, Mike Steussy  AE4R
> Vienna, Virginia USA
>
>
>
> --__--__--
>
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> End of Kenwood Digest