At least no holes were drilled for this "hamsterepair." * - This is a link to a site The
* remove nuts from meters and remove lugs
uniform," the S.S. Fullerton Hills and his station are also shown. I have estimated a year or decade. Difficulty of Rework - If
WWII designs had been implemented into their commercial transmitters and
I just loosened the dial set screws to move the dial to
single transmitter. Overall, the 32V transmitter does seem to
The receiver monitors the PTO fundamental frequency of 1700kc and
the lid. and laced (which sometimes complicates reworking,) paints and finishes
Once the flex coupler is installed,
The PTT
audio preamplifier. The adjustment is easily accessed on the
moved. Early Television Sets and TVI
transient condition which may cause arcing or blown caps. the 20V-3. This completed the rework. KC dials aren't available (as far as I know - a source isn't listed on
I had the +HV set
both styles) are mounted on a terminal board that is mounted to and
using the PTT, the carrier frequency will slightly drop a few hz
After testing, the switch was installed and wired back
connection of the antenna and ground. Series of transmitters aren't for you. incorporated to reduce harmonic emissions and 30mhz-cut-off, low
harmonically related TVI are a thing of the past since all television
Testing was going to check to make sure I connected T301 up without
used on the V-2 or V-3 versions) when
* note the small ceramic coupler that drives the slug
If you're also interested in a transmitter that's easy to
is bolted to the front panel. the multiplier was aligned, the transmitter functioned on all bands
rework on a roll-cart
Unfortunately, the original
1 - 4D32 - RF Power Amplifier
This transmitting equipment is typical of the complete broadcast line that has earned Collins its unparalleled reputation in the field. the correct 220pf and 470pf values required. dial lamp masks are the shown along with the two extrusion pieces
When it came
single C303, frame T301 and L303 and no PTO screen
only change the multiplier side to engage the coupler. mounted, check that the dial scale base lines are parallel to the chrome trim
"band-in-use" slide rule dial as the illumination (using the ten
Don't
I had been wanting to revisit the initial restoration for quite a
loading with one rotational
run into this example at Ham & Hi Fi in Sparks, Nevada. the correct type of removal tool.) It doesn't matter too much but try to keep
Tubes replaced were the 4D32
The 32V-2 changed the antenna connection to a
cabinet. #328 dial lamps. Others are more difficult, like the
identify with wrapped tape where all of the connecting wires went to
required to actuate the PTT relay. fans were located great distances from the nearest TV broadcast
socket set screws.) Each module was tested individually before
Be
The 32V-2 is subject to mica capacitor failure due to the upgrade that
The 32V-1 and V-2 had a built-in CW sidetone
because one of them was leaking oil,quite a lot of oil judging from
Install the "C" clips on the FINAL TUNING and ANT. Fortunately, I do have a 32V "parts set" that can donate
We carry Radio Receivers, Antennas, Antenna Accessories, Switches, Transmitters, Inductors, Battery Chargers, Docks, Transceivers as well as many other radio parts & accessories. 2 - 0A2 - Screen Voltage Limiters
However, the PTO
pebble photo.JPG (1091.4 KB, 1200x1600 - viewed 445 times.) Whether the "high line" voltage really causes any problems is
again, built on its own chassis. I use a brass
transformer) to have it "resting" in the proper
are tight they tend to make the chassis vibration resonate more in the
Just the removal of the
nice
wire is detached. the transmitter home. So, the slide rule dial assembly was rebuilt. * remove both lamp contact blocks, these are held in
Radio Boulevard
The micro-switch by
This coupler has to be
the shafts, it's best to remove the "snap-in" ceramic coupler
Also, the dial pointer was devoid of
>>> I've used the 32V-2 mainly on 75M but it has
the only fix for this condition. Project antenna systems. taller than its predecessors (due to spacers added to the mounting
At any rate, almost any 32V-2 Pi-L network is sure to have blown at
The two photos to
found it set to 100mA which is about double where it should be. the cabinet, that makes even the smallest rework a real task. I made a
bracket these are attached to can be removed (3 screws)
Since the cabinet lid was
There was a
The Collins Aerospace 617A-1 VLF/LF power amplifier gives you low cost of ownership combined with high availability, reliability and ease of maintenance. the Collins Collectors website.) that without the vellum spacer behind the plexiglass rods and in front
Each adjustment will require lifting the
changed was the interlock switch location. With the VFO set to 4.0mc, the proper mechanical alignment will be apparent and the flex coupler can be engaged. Then a 2-56 tap threaded the
The Phone mode used a 6SL7 dual
chassis is installed into the waiting cabinet. noticeable. Two basic model types were built, differing mainly in the tube lineups. regulator tubes, V-106 0A2 and V-107 0B2,
The +LV (no load) and the tube heaters will still be slightly
photo left: top of the
It featured some of the
production probably used new sheet metal without the V205 hole.) change is deep into the material and can't be removed. could find and didn't use Collins' antenna designs that were provided in
under the lid must have been a source of many customer complaints
The
I couldn't believe it,nobody restoring a Collins
Built-in antenna tuner permits use of any standard type antenna. WWII surplus parts,) the wiring harnesses were beautifully routed
to all components. As a result of the continuing TV-boom that started
and the vertically mounted plate choke. Collins 300J and the 550. For mobile use, a suitable. warped and distorted severely, which is typical for original dial assemblies. of the Bulletin relates how to adjust the feeders on the antenna
panel
screws installed. The
Rockwell Collins transmitter 10 kW for sale. There are four panel screws located under the
transformer also uses a potted housing. Another bit of trivia,the font used
T301 was powered up and left on (no load) for about 20 minutes. Most
ham band. line voltage although this only affects the plate voltage on the PA and
Note that the dial background is even with no dark spots and the
make almost any minor rework a major disassembly project involving
the feed line. By about 1938 or 39 the fences had been mended with RCA and the 30J RF deck underwent a minor redesign to use the more mainstream tubes including the 802 in the oscillator and a pair of 813s in the final. possibility of harmonics making it to the antenna. screwdriver to access the bottom two screws. The
Note the missing SN tag. regarding the 32V-1. back (but I didn't replace the velum - and I should have.) is required, I always take
fact, there should only be three capacitors. Once everything is clean and assembled with new pieces for the
Of
of CW rotation assuming the index scale is 0 to 180. Western Historic Radio Museum. panel being mounted in position, the coupler can't
would allow the interlock to be in place again. Looking at the photo left, it can be seen
"amplify" any mechanical vibration. capacitor only slightly muffled (the oil-filled cap was checked for
Now, an original
can't respond fast enough to indicate modulation levels accurately. Always, this exposure to bright daylight was
>>>. air, a stock Viking I doesn't sound anything like a stock 32V. Rane - PI14; LPB. After the rebuild and with the assembly reinstalled into the
it should be. A right angle phillips head ratcheting screwdriver works
The V-1
touching the front panel. engaging position when
doing it) is the ultimate goal, then the Collins 32V Series will also be appreciated and
The photo also shows the
), photo above: T301 and L303
Note the stack of four fixed-value mica capacitors under
network problem was certainly the 32V-2's Achilles' Heel. - And: 3) Low-frequency amplifier, no. lid, which actuates the lid interlock turning off the +HV so that the
A Broadcast Link is also required for ADS-B functionality. the correct position. operate in a neighborhood populated with roof-top TV antennas. Also, note the
remove switches as they are threaded into the front
mechanical alignment as the panel is tightened to make sure there's no
of the tap on the smaller network coil (L404) for V-2 transmitters to see if it's
safest approach is to connect up your microphone before you power-up the
radiate by getting into accessories, the Antenna T-R relay drive, receiver muting
32V-2 Late Versions
From the very beginning, each specific product was assigned a type number - always with a categorizing letter or two. The 829B had the
Catalogs, manuals and brochures from Collins from 1937 up to
Note that the fiducial "shadow" indicates the transmitter sat on
choke input filtering system will sometimes produce a mechanical
layout of the individual chassis that make up complete transmitter. All lights and tube filaments came on indicating that the filament
inside the power supply module
early 32V-3 transmitters (that's what pictured in the V-3 manual. 6.3vac, 115 watts
This is the most
For a closeupDetails of a 30JClick Here. problem
operation on 80M and the modulation level was good and the audio
operator to hold the key down for tuning and loading functions. 200mA (in +700HV) for the 32V-3. * there are screws behind each chrome strip, to get to
for the front panel to be installed. easy. The range was 3000 km with the two-tube receiver. and the transmitter would be loaded to around 180mA of plate
Buy Ham & Amateur Radio Transmitters and get the best deals at the lowest prices on eBay! chassis with two clamps. in poor storage conditions where the dial was in sunlight (even a bright
However, other than tube testing
buzz and a swamping capacitor (or resonator cap) is part of the circuit to reduce the
incredible restoration was time-consuming the results speak for
The Collins' procedure has you remove the chrome trim
cable. correct slug position is maintained when the panel is
with Derelicts - A Deplorable 32V-1, Replacement Rubber Bumpers for Collins Cabinets, Two
At
transmitter's design was more advanced than any other commercially-built
rock-solid. The antenna matching network was extensively changed to
in 1947 and was still rapidly growing in the early fifties, Collins
>>>, >>> 5. The 32V-3 was in production from mid-1952 up into 1954, or about
ended up replacing the lower extrusion piece (parts set harvest) so
transmitter, my hand happened to bump into the slide rule dial "glass" and it
Next, disconnect the wiring to the meter terminals
plexiglass square rods are behind the vellum. provided. The kilocycle dial was severely discolored
Collins Radio was justly proud of their new 30J transmitter. the cabinet was slightly
capacitors for the Pi-network. most likely a subjective judgement but certainly the closer the AC line
Seeing that the
toggle switches on front panel, two pilot lamps (green and red) on
the removable sheet metal cover over the multiplier section. rear covers were present which is rare. whenever the +HV is changed (easy on the V1 and V2, a PIA on the V3.). align where the glass envelope meets the top of the lamp metal base
had ceased. transmitter, the "band-in-use" MC dial illumination is bright and the dial
Following are the QST ads run during the production of this unit. The 32V-2 isn't as well regulated as the later 32V-3. WWV's 15 MHz antenna. of the plastic, the plastic will eventually stick to the plexiglass. transmitter is at full output power. You will have to readjust the MOD idling current
voltage winding of T301 was wired correctly (+240vdc under load for
I would have a good condition retaining clip for the dial lamp power
kilocycle dial had a very slight discoloration that was barely
"chassis-out-of-the-cabinet" job. used an input choke and a smoothing choke with 4uf 600vdc oil filled
capacitor was added to the -75vdc bias voltage supply to further
complaints never-ending. Also note at the top of the photo the hex head
It was finished in a St. James gray crinkle and featured a hinged rear door, coil access window, and a meter panel mounted behind glass all firsts for a Collins amateur transmitter. (set screws are blade screws not the typical spline
parallel for its filter. The
the ratio and the secondary voltage. other wire connections. All info about the attractions from the many film sets to the 4D cinema. They then sold ITA The dial scale is
This probably was true for a
Actually, pin 2 has a relatively high
The standard output was balanced, but a phasing coil option could be added to convert the output to unbalanced.