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Re: Another TR7 Journey begins
I think I'm going to do a complete alignment on this rig, throwing ideas at it may cause more harm then good.? Hopefully I can borrow a frequency counter from someone in my club becaue I doubt the
By Bill NZ0T · #76092 ·
Re: All bent out of shape (3-500z) - now shock sensor value question
Sorry Jim¡­.The courts have ruled otherwise. You are buying a specific amount of ¡®bulk¡¯ insurance, say $500.00¡­that is what you are entitled to if there is a loss. If the item shipped was
By Joe - W7RKN · #76091 ·
RV75 Issues: Part 4
Progress on repairing my RV75 has come to a halt. In attempting to perform the alignment procedure in the Operator¡¯s Manual, I have discovered that the VCXO is not oscillating. The VCXO is a voltage
By Rick K8EZB · #76090 ·
Re: All bent out of shape (3-500z) - now shock sensor value question
##? You can't insure it for more than it's worth.
By Jim VE7RF · #76089 ·
Re: All bent out of shape (3-500z) - now shock sensor value question
I use 25g or 50g rated sensors, depending on the weight and value of the package. These are the most inexpensive, each, but shipping adds to the
By Joe - W7RKN · #76088 ·
Re: All bent out of shape (3-500z) - now shock sensor value question
This may be a dumb question, but what is a "typical common sense" value of shock sensor to use when shipping radio equipment?? I have to ship my ICOM 706MKiiG in for repair. Thanks. - Steve?
By Steve W7SJT · #76087 ·
Re: Another TR7 Journey begins
The wattmeter circuit is pretty simple. There's not much that can fail. It is essentially the same as a W4. Put your meter on the FWD wattmeter and see if voltage goes up when you transmit power. If
By Jim Shorney · #76086 ·
FS -- Eimac 3-500Z's (2)
In light of the discussion regarding the shipment of transmitting tubes vs the apes at the shipping companies, I have a pair of Eimac 3-500Z's available for pickup only in the
By Steve Wedge, W1ES/4 · #76085 ·
Re: Another TR7 Journey begins
Hi Jim, I really appreciate your help.? I was loking at the wrong PDF and the ALC board pic was so blurry I didn't see the label.? I was able to get the voltage down to around 0.5 VDC on a
Re: Another TR7 Journey begins
Look for the High Pass Filter Module schematic, Fig. 2-28. There is a list of illustrations in the front of the SM, page V. Page 2-80 is correct for the 1978 manual that I am looking at. I am aware
By Jim Shorney · #76083 ·
Re: Another TR7 Journey begins
Hi Jim, Page 2-80 is a blank "Notes" page in my original Service manual notebook. Dale W4OP
By Dale Parfitt · #76082 ·
Re: All bent out of shape (3-500z)
The plate structures in all of these type tubes are fairly massive.? It was probably a side acceleration that actually moved it but I'm thinking that the plate "pin" might not be bent.? The plate
By Rick W4XA <myr748@...> · #76081 ·
Re: All bent out of shape (3-500z)
Yup..I forgot to add that to the message! Thanks Jim! Joe- W7RKN
By Joe - W7RKN · #76080 ·
Re: TR-7 ALC Board Schematic
/g/DRAKE-RADIO/message/76076 73 -Jim NU0C "Dale Parfitt" <PARINC1@...> wrote:
By Jim Shorney · #76079 ·
TR-7 ALC Board Schematic
The service manual appears to skip over the ALC board schematic- or at least I am unable to find it. Anyone enlighten me? Tnx, Dale W4OP
By Dale Parfitt · #76078 ·
Re: All bent out of shape (3-500z)
You must ship with signature required. Otherwise they just drop the package on your porch and run. 73 -Jim NU0C "Joe - W7RKN" <w7rkn.7@...> wrote: -- 73 -Jim NU0C
By Jim Shorney · #76077 ·
Re: Another TR7 Journey begins
The ALC board is part of the High Pass Filter module. You will find the schematic on page 2-80. The inputs are clearly labeled. ALC photo is page 2-73. There is a very early ALC board that is a
By Jim Shorney · #76076 ·
Re: All bent out of shape (3-500z)
Shock sensors on and in the shipment would have removed any and all resistance to the claim by FedEx. Anything of value I ship, has shock sensors, inside and outside the box/shipping container. To
By Joe - W7RKN · #76075 ·
Re: Another TR7 Journey begins
I am attempying to do the wattmeter null adjustment.? The service manual that I downloded from the files section says to connect a VTVM to the refected power input on the ALC board (see section
By Bill NZ0T · #76074 ·
Re: All bent out of shape (3-500z)
As a side note, insurance claims via FedEx for damaged tubes may or may not be honored. ? Why? ?With an amp and some tubes (packed separately, double boxed, well packed) that I sent out, there was
By Evan · #76073 ·