Re: WG 6102

I reflowed the solder on both of the neck board connectors, but
no change. Also, tried pushing in the wires of both of those plugs,
but again no change. Unfortunately, I have no spare parts for
a WG61xx.

Scott C.

Malcolm Mackenzie wrote:
> Since you've tried everything else I'll venture a guess. A friend of
> mine has had several 6100 monitors fail due a overheated wire that is
> located under the tube plug on the neck board. Do you have an extra
> neck board you can switch out? -Malcolm
>
> */Scott Caldwell <scottcaldwell@sbcglobal.net>/* wrote:
>
> I completely replaced the long, red plug and pins that goes
> onto P900 on the HV PCB, but no change. Inspected the wires
> under the boots and mine are the slide on variety, but they
> were nice, tight and clean. Replaced the one side of the
> two-pin molex plug in the HV (controls brightness and focus)
> and one of the pins, but still no change. Cleaned the
> grounding pins that connect the above parts to the monitor
> frame, but no change.
>
> I also tried playing with the HV cutoff pot, but that also
> didn't help.
>
> Scott C.
>
> ======
>
> peter jones wrote:
> i still suspect the plugs,
> but you need a plastic or glass rod so you can prod stuff while
> it's running.
>
> and pull the gray rubber boots off of the focus assembly and check
> the connections under them - i had one where the wire broke off
> under the boot.
>
>
> Scott Caldwell wrote:
> > I should have waited 5 more minutes to send this...
> >
> > I was able to get the screen on again and adjusted the monitor to
> > around 19.5Kv,
> > but the curve is still present. While it was on, I seriously
> wiggled
> > the wires going
> > into the red, flat connector for P900 (HV) and no change. Did the
> > same for the
> > other two-wire molex connector on the HV and no change. What about
> > the two
> > transistors on the outside of the HV cage. Those don't normally get
> > replaced,
> > but could either of those cause this?
> >
> > I did notice after the monitor was on a few minutes that the
> picture
> > shut off and I
> > wasn't able to get it to flash back on for a moment by hitting the
> > side of the frame.
> > It's got to be something else.
> >
> > Scott C.
> >
> > Scott Caldwell wrote:
> >> Alright. Here is an update on this, but I still need some help.
> >>
> >> I have performed Bob Robert's ENTIRE deluxe cap kit and am
> still having
> >> the same issues. My molex connector for P900 on the HV PCB is
> red, not
> >> white, but I tried pressing the wires into the scissors pins (same
> >> results).
> >> Anything else that would cause this. I reflowed/replaced solder on
> >> every
> >> solder joint I could find or thing of, that looked goofy, etc.
> >>
> >> BTW, I did replace the pot on the HV PCB, but until I can get
> the HV to
> >> kick in again, I can't adjust it to the correct 19.5Kv. I did see
> >> what it was
> >> reading when I hit the monitor on the side and the voltage
> jumps from 0
> >> to around 3-5Kv for just a moment, since the monitor image
> isn't staying
> >> on.
> >>
> >> Scott C.
> >>
> >> -----Original Message-----
> >> From: Scott Caldwell
> >> To: vectorlist@vectorlist.org
> >> Date: Mon, 07 Aug 2006 01:02:10 -0500
> >> Subject: Re: VECTOR: Re[2]: VECTOR: WG 6102
> >>
> >> > >
> >> > > I've replaced the pot before (another HV unit), so that's no
> >> sweat, but what
> >> > > connectors are you referring to (P900 and the other molex
> plug)?
> >> > >
> >>
> >> i was refering to the flat white connector on the loom that plugs
> >> onto the pcb.
> >>
> >> Scott Caldwell wrote:
> >> > I've replaced the pot before (another HV unit), so that's no
> sweat,
> >> but what
> >> > connectors are you referring to (P900 and the other molex plug)?
> >> >
> >> > Scott C.
> >> >
> >> > peter jones wrote:
> >> >> the caps would not explain the fact that you can change
> things by
> >> banging it - that points to the connectors and the pot.
> >> >>
> >> >>
> >>
> ---------------------------------------------------------------------------
>
> >>
> >>
> >> Scott Caldwell wrote:
> >>> As a follow-up, I started going through the troubleshooting
> flow charge
> >>> and found the following (I did this with all plugs in place -
> P600,
> >>> P700
> >>> & P100):
> >>>
> >>> P900 on HV
> >>> - Pin 1 shows 28v solid if the monitor screen blanks, but
> stays around
> >>> the 27.x range with fluctuations from 25.0 to 28.4 with the
> screen
> >>> on.
> >>> - Pin 5 shows around 25v-27v with the screen blank and 190v solid
> >>> when it on. It's my understanding that show read 180v, not 190v.
> >>>
> >>> I'm thinking the above proves I have an issue in the HV
> section and
> >>> it's
> >>> probably the caps or surrounding components, such as Q900-Q903.
> >>> Checking Bob Robert's WG6100 cap kit (and the additional parts
> >>> list) and it doesn't seem to include Q900. Should I assume
> that part
> >>> never goes bad?
> >>>
> >>> Scott Caldwell
> >>>
> >>> Scott Caldwell wrote:
> >>>> WG6102 (P327, P328, P329)
> >>>>
> >>>> I am almost done with my Tempest cabaret restoration, but am
> still
> >>>> fighting
> >>>> with the monitor. Depending on the monitor's mode, it may or
> may not
> >>>> turn on when the game is powered on. However, a good wack to the
> >>>> side of the cabinet will usually bring it back. Obviously, this
> >>>> sounds like
> >>>> cold solder or a loose connection. I believe it's in the HV
> unit,
> >>>> but for the
> >>>> life of me I can't find it. I resoldered all pins, cleaned the
> >>>> pins on I could
> >>>> the row of pins, but the molex plug, etc. Can't find any
> burned or
> >>>> damaged components on the board.
> >>>>
> >>>> Here is what I know:
> >>>>
> >>>> - Even with the picture off, there is still loads of deflection
> >>>> chatter.
> >>>> - If the monitor is off, the tube itself doesn't crackle.
> However,
> >>>> when it
> >>>> turns back on I hear the normal crackle. If the monitors turns
> >>>> on when
> >>>> powerd on, I also hear the normal crackle.
> >>>> - With the monitor out of the game, and when the picture is
> on, I
> >>>> can very
> >>>> lightly tap the top of the HV cage and it turns off (but
> >>>> deflection chatter
> >>>> can still be heard). If I tape the cage again, it rarely turns
> >>>> on, but if I
> >>>> hit (wtih some effort) the side of the frame, near the top, that
> >>>> the HV unit
> >>>> is on, the screen will usually flash the image for a moment and
> >>>> fail again.
> >>>> If I do this enough, it will eventually stay on.
> >>>> - I have NOT done a cap kit on the monitor yet, since I am still
> >>>> trying to
> >>>> get the "correct" list of parts together for this monitor
> (it's a
> >>>> true 6102)
> >>>> and I know there has been discussion before relating to what
> is the
> >>>> correct parts, what's not, whom sells it, what they sub, etc.,
> >>>> etc., etc.
> >>>> - Testing the HV, under the cup, shows 20Kv and it climbs a
> little
> >>>> if the
> >>>> monitor is on about a minute or so. My HV probe isn't the most
> >>>> accurate and tends to fluctuate slightly (about .5Kv or so).
> >>>> - The other problem I am seeing with the monitor is a curve
> across the
> >>>> bottom of the screen and shaky vectors. I know the shaky vectors
> >>>> are usually a missing HV cage (mine is present) or bad caps
> at 901,
> >>>> 902 and 905 in HV unit. However, I'm not sure what is causing the
> >>>> curve.
> >>>>
> >>>> Anyone have any ideas?
> >>>>
> >>>> Scott C.
> >>>>
> >>>>
> >>>>
> ---------------------------------------------------------------------------
>
> >>>>
> >>>> ** Unsubscribe, subscribe, or view the archives at
> >>>> http://www.vectorlist.org
> >>>> ** Please direct other questions, comments, or problems to
> >>>> chris@westnet.com
> >>>>
> >>>>
> >>>
> >>>
> ---------------------------------------------------------------------------
>
> >>>
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> >>> chris@westnet.com
> >>>
> >>>
> >>
> >>
> ---------------------------------------------------------------------------
>
> >>
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> >> http://www.vectorlist.org
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> >> chris@westnet.com
> >>
> >>
> >
> >
> ---------------------------------------------------------------------------
>
> >
> > ** Unsubscribe, subscribe, or view the archives at
> > http://www.vectorlist.org
> > ** Please direct other questions, comments, or problems to
> > chris@westnet.com
> >
> >
>
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> chris@westnet.com
>
>

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Received on Sun Aug 13 18:21:53 2006