: gandal...@aol.com
To: time-nuts@febo.com
Sent: Fri, Jun 4, 2010 11:57 am
Subject: Re: [time-nuts] Fluke monitor
In a message dated 04/06/2010 05:47:32 GMT Daylight Time, le...@wa5znu.org
rites:
fixed my fluke.l monitor.
This evening I got mail today from Bob Mokia:
The problem is too much
In a message dated 05/06/2010 23:28:26 GMT Daylight Time, jlt...@att.net
writes:
Having essentially no experience in SMD work, what diodes did you use?
Hi Joe
There's enough room to fit standard wire ended 1N4148s, as per Didier's
original circuit, if you bend the wires carefully so
On 05/06/2010, gandal...@aol.com gandal...@aol.com wrote:
There's enough room to fit standard wire ended 1N4148s, as per Didier's
original circuit, if you bend the wires carefully so no ned to source SMD
parts unless you really want to.
That said, if anyone (UK / Europe) wants them, I
Wiseman
Sent: Saturday, June 05, 2010 5:40 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Fluke monitor
On 05/06/2010, gandal...@aol.com gandal...@aol.com wrote:
There's enough room to fit standard wire ended 1N4148s, as per
Didier's original circuit
In a message dated 04/06/2010 05:47:32 GMT Daylight Time, le...@wa5znu.org
writes:
fixed my fluke.l monitor.
This evening I got mail today from Bob Mokia:
The problem is too much volts on CPU (8051F330D).
Must have diodes 1n4148 etc at D1 and D2. Drop cpu volts to 3.6volts.
Maximum
...@aol.com
To: time-nuts@febo.com
Sent: Fri, Jun 4, 2010 11:57 am
Subject: Re: [time-nuts] Fluke monitor
In a message dated 04/06/2010 05:47:32 GMT Daylight Time, le...@wa5znu.org
rites:
fixed my fluke.l monitor.
This evening I got mail today from Bob Mokia:
The problem is too much volts on CPU
I fixed my fluke.l monitor.
This evening I got mail today from Bob Mokia:
The problem is too much volts on CPU (8051F330D).
Must have diodes 1n4148 etc at D1 and D2. Drop cpu volts to 3.6volts.
Maximum volts from data sheet is 4.2 volts.
D1, D2, and D3 are zero-ohm SMT resistors in
In a message dated 17/05/2010 06:13:05 GMT Daylight Time, le...@wa5znu.org
writes:
You're right about the current. I just checked it with my DMM and got
45ma. My inline power meter must not be that it's not that accurate at
the low end.
The display works; the backlight works; the
You're right about the current. I just checked it with my DMM and got
45ma. My inline power meter must not be that it's not that accurate at
the low end.
The display works; the backlight works; the processor must be doing
something since it prints a variety of messages. It's the RS232 that
On 05/06/2010 12:29 PM, Arthur Dent wrote:
But now here is the finding. The monitor board has the 7805 SMD version and
I was feeding from +12Volt and after a while the SMD voltage regulator
overheated
and started to drop the voltage and it was the reason to receive/display
garbled
Hi Leigh:
Is the wiring to the monitor exposed such that you can touch it? I
think mine died because of static zap to the exposed wiring.
http://www.prc68.com/I/ThunderBolt.shtml#iCruze
Have Fun,
Brooke Clarke
http://www.PRC68.com
Leigh L. Klotz, Jr WA5ZNU wrote:
On 05/06/2010 12:29 PM,
My fluke.l monitor stopped working today ...
Mine stopped yesterday
The monitor is a recent model and has the regulator.
So does mine and I run the board from a 9V regulator.
The display is built into the same box as the gpsdo
I left it on overnight,
Mine has been on continuously for
In a message dated 12/05/2010 17:45:16 GMT Daylight Time, le...@wa5znu.org
writes:
The monitor is a recent model and has the regulator. I left it on
overnight, in its original case and out in the open, hooked to a 13.5V
supply. I had it on a ammeter the whole time, and it never draws
Must be the Y2.01K bug...
Sorry about the problems being reported recently.
While I have no association with Bob of Fluke.l, he is using my design and he
was kind enough to send me one demo model, which I have yet to turn on.
In general, if the processor is not fried, there is very little that
Message-
From: Arthur Dent golgarfrinc...@yahoo.com
To: time-nuts@febo.com
Sent: Wed, May 5, 2010 7:13 pm
Subject: [time-nuts] Fluke monitor
I mean when I remove the power from the monitor and let it cool down the
fter about 1Hrs it starting to work again normal, the later on displaying
arbled
But now here is the finding. The monitor board has the 7805 SMD version and
I was feeding from +12Volt and after a while the SMD voltage regulator
overheated
and started to drop the voltage and it was the reason to receive/display
garbled
msg.the display is built into the same box as
Hi,
after about 4-5 month I got the trouble with the LCD fluke monitor It
was displaying funny nbrs and characters. and sometime it was stock in one
position.../ in one msg / and displaying incorrect time/date...
Trimble was about 45 Celsius and the Monitor was displaying
.
It could also be temperature related.
Didier KO4BB
Sent from my BlackBerry Wireless thingy while I do
other things...
-Original Message-
From: erniepe...@aol.com
Date: Wed, 05 May 2010 08:36:18
To: time-nuts@febo.com
Subject: [time-nuts] Fluke monitor
Hi
To: Time-Nuts time-nuts@febo.com
Sent: Wed, May 5, 2010 3:44 pm
Subject: Re: [time-nuts] Fluke monitor
Considering that there are two main components in the display, it could be
ither the microcontroller, the LCD display, or the cabling between the two.
I am not sure what you mean by swishing
Did you try a different power supply?
Original-Nachricht
Datum: Wed, 05 May 2010 11:12:18 -0400
Von: erniepe...@aol.com
An: did...@cox.net, time-nuts@febo.com
Betreff: Re: [time-nuts] Fluke monitor
Hi Didier,
I mean when I remove the power from the monitor and let
I mean when I remove the power from the monitor and let it cool down the
after about 1Hrs it starting to work again normal, the later on displaying
garbled msg.. like something is overheating??
Fluke.L has sold 2 versions of the monitor.
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