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Hello-
I have an unusual problem perhaps someone could shed some light on:
I have a TR-4 in 29K serial range that functions normally
except it will not go back into receive, until after approx 30 second
delay, after the mic button is released or the function switch turned
back to "SSB". This condition worsens (longer delay) the more you
frequently you transmit. The sidetone disappears but T-R relay will
not release.
I have tried different known-good 6EV7 tubes, have replaced a lot
of the coupling / bypass caps in T-R circuits, did resistance /
voltage checks, adjusted the VOX / VOX delay controls, tried other
tubes in T-R circuit, etc. to no avail.
What is real curious about this is that while waiting for it to go
back into receive and T-R relay is engaged, IF YOU PULL THE 6EV7 FROM
ITS SOCKET THE T-R RELAY STILL DOES NOT RELEASE. I suspect the issue
is with the lead that goes from T-R relay coil to pin #1 on 6EV7
(somehow allowing enough leakage to ground?) or could it be the T-R
relay coil itself I made sure socket / pins and all are clean on
6EV7.
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过滤（Filter）条件是指，如果想把一些记录忽略掉，那么这里可以设置一个过滤条件。Apache Kylin在向Hive请求源数据的时候，会带上此过滤条件。如图2-8所示，会只保留金额（price）大于0的记录。 铮� R北京28在线预测软件
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R How much money should I spend
each month? This is asked by college students at the start of every term, and
it's become a hot topic of discussion following a controversial online post.
The post was about a college student who demanded 4,500 yuan for monthly living
expenses from her mom, reported China Daily I
Ron / WB4HFN
-------------- Original message --------------
From: Garey Barrell <[EMAIL PROTECTED]>
>
> Garey Barrell made an utterance to the drakelist gang
> ----------------------------------------------------------------------
> Byron -
>
> OK. Relays take more coil current to "pull in" than they do to "hold
> in". It takes a certain amount of current through the coil (pull) to
> drag the armature from it's non-energized position to the energized
> position. It takes much less current to (hold) it once there, so slight
> leakage might NOT be sufficient to pull, but more than enough to hold.
>
> I don't know of any good way to touch up the panels. The original
> "paint" is so thin, (I actually think it is more a dye (anodize?) than
> paint, but don't know for sure,) and as a result any sort of paint ends
> up looking worse than the mark! For a small mark or two, it might be
> possible to just "fill" the mark to the level of the panel, but a string
> of numbers would be a real challenge. Never could understand people
> that do that sort of thing, especially on the front panel!!
>
> I just saw your order. There are scans of both the 34-NB and the 34-PNB
> manuals, with quite a bit of information, plus I have added a photograph
> of the board itself with active components and alignment info
> annotated. There is also a Voltage table for the NB, which has not been
> previously published. It's really a straightforward design, and most
> units in the field benefit from an alignment.
>
> A lot of the components are common between the TR-3 and TR-4, but every
> once in a while they threw in a curve like that cap to keep us off
> balance! :-)
>
> Your CDs will go out tomorrow. Thank you!
>
> 73, Garey - K4OAH
> Glen Allen, VA
>
> Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
>
>
>
>
> Byron Tatum wrote:
> >
> > "Byron Tatum" made an utterance to the drakelist gang
> > ----------------------------------------------------------------------
> > Hey Garey-
> > Thank you for the comments and help. I start nights at work and
> > will have several to complete, then I will get back into the TR-4. I
> > will measure voltage as you suggest, looking for a slight voltage
> > drop. Then I will check out relay itself.
> > I am beginning to think that it is the magnetizing of pole piece
> > and relay wear that is the problem. If it was a leakage to ground on
> > the 6EV7 pin #1 lead you might think the set would go into TX on its
> > own (relay energize) every now and then, of which I have never saw it do.
> > One other thing- I bought a nice TR-4 from a fellow, based on
> > several pictures, but the photo angles, due to glare, covered up (of
> > all things) a ham's DL # engraved on the front panel in tiny lettering
> > , immediately to the right of "TR-4" on front panel. Do you know of a
> > touch up paint that matches the darker grey of that front panel area?
> > I got the set for a decent price, it was nice and had the built in
> > NB, but had a problem (as advertised). I found T-9 to be burned out in
> > center area of coil form. I had a spare T-9 from a parts unit TR-3.
> > Thank goodness I opened up the TR-3 T-9 transformer before I installed
> > it -- it had a 56 pF cap in it that was not in the TR-4 T-9. Otherwise
> > the coils looked the same. Anyway, I clipped out the capacitor and all
> > went OK after the repair. That is not a fun repair for sure!!
> > CUL, Byron.
> > ----- Original Message ----- From: "Garey Barrell"
> > To:
> > Sent: Tuesday, April 29, 2008 1:46 PM
> > Subject: Re: [drakelist] TR-4 TX Hang-Up
> >
> >
> >> Byron -
> >>
> >> Well things were going well until you pulled the tube out of the
> >> socket! :-)
> >>
> >> There are a limited number of possibilities in that case. The relay
> >> coil leads go through the feedthrough bypass caps _under_ the power
> >> connector. Of course the relay lead to the 6EV7 is the one UNDER the
> >> Jones connector, the last one in the "arc" of feedthroughs there.
> >> (C92) There are no more components between this feedthrough and the
> >> 6EV7 tube socket. The other relay coil lead goes directly the +250V bus
> >> via the next feedthrough cap along the arc, (C91). So the voltage
> >> measured at the tube socket pin with the tube out should be exactly the
> >> same as the +250V bus. Any drop would indicate leakage. See attached
> >> photo from my CD (at reduced resolution).
> >>
> >> So..... Leaky C92, leaky tube socket, pinched wire. One possibility I
> >> have seen a few times is the "down" stop on the relay gets hammered down
> >> over the years, allowing the armature to actually touch the pole piece
> >> of the coil. The pole piece is slightly magnetized, and if the armature
> >> physically is in contact with it, it will "stick". An easy check is to
> >> slip a piece of paper in to prevent metal to metal contact between the
> >> two. The "down" stop can be bent back up to prevent this contact.
> >>
> >> Let us know what you find!!
> >>
> >> 73, Garey - K4OAH
> >> Glen Allen, VA
> >>
> >> Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement CDs
> >>
> >>
> >>
> >>
> >> Byron Tatum wrote:
> >>> Hello-
> >>> I have an unusual problem perhaps someone could shed some light on:
> >>> I have a TR-4 in 29K serial range that functions normally
> >>> except it will not go back into receive, until after approx 30 second
> >>> delay, after the mic button is released or the function switch turned
> >>> back to "SSB". This condition worsens (longer delay) the more you
> >>> frequently you transmit. The sidetone disappears but T-R relay will
> >>> not release.
> >>> I have tried different known-good 6EV7 tubes, have replaced a lot
> >>> of the coupling / bypass caps in T-R circuits, did resistance /
> >>> voltage checks, adjusted the VOX / VOX delay controls, tried other
> >>> tubes in T-R circuit, etc. to no avail.
> >>> What is real curious about this is that while waiting for it to go
> >>> back into receive and T-R relay is engaged, IF YOU PULL THE 6EV7 FROM
> >>> ITS SOCKET THE T-R RELAY STILL DOES NOT RELEASE. I suspect the issue
> >>> is with the lead that goes from T-R relay coil to pin #1 on 6EV7
> >>> (somehow allowing enough leakage to ground?) or could it be the T-R
> >>> relay coil itself I made sure socket / pins and all are clean on
> >>> 6EV7.
> >>> Any help appreciated, thanks.
> >>> Perplexed,
> >>> Byron WA5THJ.
> >>>
> >>
> >
> >
> > ----------------------------------------------------------------------
> > Submissions: [EMAIL PROTECTED]
> > Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in
> > body
> > Hopelessly Lost: [EMAIL PROTECTED] - help in body of message
> > Zerobeat Web Page: - sponsored by
> > ----------------------------------------------------------------------
> >
> >
>
> ----------------------------------------------------------------------
> Submissions: [EMAIL PROTECTED]
> Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body
> Hopelessly Lost: [EMAIL PROTECTED] - help in body of message
> Zerobeat Web Page: - sponsored by
> ----------------------------------------------------------------------
Z
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P 五分pc蛋蛋预测结果
2）维度表越小越好。Apache Kylin支持选择是否将维度表加载到内存中以供查询，过大的表不适合作为维度表，默认的阈值是300Mb。铮� T
N Radar is an electronic device that detects planes, ships, coastlines,
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同时，各个维度在Rowkey中的顺序，也会对查询的性能产生较明显的影响。在这里用户可以根据查询的模式和习惯，通过拖曳的方式调整各个维度在Rowkey上的顺序（如图2-17所示）。一般原则是，将过滤频率高的列放置在过滤频率低的列之前，将基数高的列放置在基数低的列之前。这样做的好处是，充分利用过滤条件来缩小在HBase中扫描的范围，从而提高查询的效率。 F今天福彩3d黑圣手图
step9、加载Hive表
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玛雅头奖
Z
V
CUL, Byron.
----- Original Message ----- From: "Garey Barrell" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, April 29, 2008 1:46 PM
Subject: Re: [drakelist] TR-4 TX Hang-Up
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How much money should I spend
each month? This is asked by college students at the start of every term, and
it's become a hot topic of discussion following a controversial online post.
The post was about a college student who demanded 4,500 yuan for monthly living
expenses from her mom, reported China Daily O
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F另外，Kylin开发团队还贡献了 Zeppelin 的插件，用户可以使用 Zeppelin 访问 Kylin 服务。 O
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J4）维度表最好不是Hive视图（View），虽然在Apache Kylin v1.5.3中加入了对维度表是视图的支持，但每次都需要将视图物化，导致额外的时间成本。? J
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That's a NEW one! :-) How long did the relay have to be energized to
generate enough heat?
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This job is pretty simple. It requires listening carefully to audio and typing exactly what you hear. For a college student that needs an online job, this should fit into your schedule. No training is required to do this.福彩3d怎么找规律
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