Search found 703 matches

by PID_Stop
Wed Jun 02, 2021 12:00 pm
Forum: TV Engineering
Topic: 7250-7387.5 MHz Frequency Range
Replies: 2
Views: 443

Re: 7250-7387.5 MHz Frequency Range

The 7GHz band for broadcast runs from 6,875 MHz to 7,125 MHz, divided into ten channels 25 MHz wide.

Jeff
by PID_Stop
Thu May 27, 2021 12:48 pm
Forum: Ask the Engineers
Topic: BVH-2000 and "SYS ERR" message - help?
Replies: 2
Views: 1024

Re: BVH-2000 and "SYS ERR" message - help?

Sorry for the delayed reply -- things have been hopping at work. Yes, the missing cards are for a BKH series plug-in time base corrector. If the machine doesn't have them, it must have been using an external BVT-2000 time base corrector. I have not had success using other TBCs -- for one thing, the ...
by PID_Stop
Mon Jan 11, 2021 4:30 pm
Forum: Ask the Engineers
Topic: Sony BVH-2000 PS 1 inch C-Format Sound
Replies: 1
Views: 682

Re: Sony BVH-2000 PS 1 inch C-Format Sound

The control panel (BKH-2011/2012/2013) has a small piezo buzzer inside that beeps when there's a major alarm (for instance, if the upper drum can't spin). It also beeps once when the system controllers finish initializing, so what you're hearing is normal. If you take the panel apart, there's a trim...
by PID_Stop
Mon Dec 21, 2020 10:22 am
Forum: Digital Television
Topic: NetVX - MUX an external stream
Replies: 6
Views: 643

Re: NetVX - MUX an external stream

Hi Fred, I didn't realize that you had that many internal encoders... are they being statmuxed? I don't think you can include an external stream in a statmuxed group, because the multiplexer needs to be able to send feedback to each encoder to control its real-time bitrate. It might be possible to t...
by PID_Stop
Fri Dec 18, 2020 3:24 pm
Forum: Digital Television
Topic: NetVX - MUX an external stream
Replies: 6
Views: 643

Re: NetVX - MUX an external stream

Okay, I just got a working setup that multiplexes an external HD MPEG2 stream with the stream from an ENC-H11-STD-D, using a TMX-M12-MUX card. The short version (ha!) is this: 1.0) Open the "TS Receivers" folder, and double click on the input connector you want to use for your external fee...
by PID_Stop
Fri Dec 18, 2020 1:29 pm
Forum: Digital Television
Topic: NetVX - MUX an external stream
Replies: 6
Views: 643

Re: NetVX - MUX an external stream

I've done quite a number of NetVX setups and have several units kicking around. I'll have to set up a sample config on a spare unit and see what the deal is. One thing to check: some versions of Vidiem are actually too new, and don't work completely properly with the NetVX. Revision 5.4.4 is good; v...
by PID_Stop
Mon Nov 16, 2020 2:19 pm
Forum: Ask the Engineers
Topic: Sony BVH-2500 VTR Questions
Replies: 13
Views: 756

Re: Sony BVH-2500 VTR Questions

Over the years my station has had five or six BVH-2000s, one BVH-500, and one very early revision BVH-2500... in fact, the 2500 was the fifth or sixth machine off the assembly line. I still have its control panel in my office: serial number 10001. The novelty of doing animation was amazing, but firs...
by PID_Stop
Mon Nov 16, 2020 1:59 pm
Forum: Ask the Engineers
Topic: Sony BVH-2500 VTR Questions
Replies: 13
Views: 756

Re: Sony BVH-2500 VTR Questions

You are absolutely welcome!

Jeff
by PID_Stop
Mon Nov 16, 2020 1:28 pm
Forum: Ask the Engineers
Topic: Sony BVH-2500 VTR Questions
Replies: 13
Views: 756

Re: Sony BVH-2500 VTR Questions

I did some thorough testing on the 2000 this weekend and found that the audio in on channel 1 and 2 does not seem work. The channels play back fine but I cant get any input. Channel 3 works fine in both record and playback. Any thoughts? The most likely cause that comes to mind is that the REC INHI...
by PID_Stop
Wed Nov 11, 2020 5:00 pm
Forum: Ask the Engineers
Topic: Sony BVH-2500 VTR Questions
Replies: 13
Views: 756

Re: Sony BVH-2500 VTR Questions

If your goal is to learn, the 2000 will certainly give you plenty of opportunity! It's actually a fairly straightforward design, and the manual explains the theory very well, especially by the standards of today's equipment. Two caveats: first, make sure your manuals are appropriate to the serial nu...
by PID_Stop
Wed Nov 11, 2020 10:53 am
Forum: Ask the Engineers
Topic: Sony BVH-2500 VTR Questions
Replies: 13
Views: 756

Re: Sony BVH-2500 VTR Questions

The the switch you mentioned was indeed in the lower position and after looping the Blackburst through to the monitor the picture improved a great deal. The image is now very sharp but has a slight s curve from top to bottom and the picture on the monitor slowly rolls from left to right with a slig...
by PID_Stop
Tue Nov 10, 2020 3:46 pm
Forum: Ask the Engineers
Topic: Sony BVH-2500 VTR Questions
Replies: 13
Views: 756

Re: Sony BVH-2500 VTR Questions

Just had another thought about vertical rolling... depending on the machine that recorded the tape you are trying to play, it might not have the little sync track that stays in contact with the tape during the time when the main head is in the gap between the entrance and exit guides. Without that, ...
by PID_Stop
Tue Nov 10, 2020 3:23 pm
Forum: Ask the Engineers
Topic: Sony BVH-2500 VTR Questions
Replies: 13
Views: 756

Re: Sony BVH-2500 VTR Questions

First of all, welcome to the forum, Jim! 1. Are there any other part numbers for a TBC that will work with the 2500 or am I limited to the BVT-2000? Unfortunately, you need the BVT-2000 for this. Among other things, the dynamic tracking servo directly interacts with the TBC, so that makes it strongl...
by PID_Stop
Tue Nov 10, 2020 8:20 am
Forum: TV Engineering
Topic: TV Audio Processing (circa 2000-2003)
Replies: 7
Views: 952

Re: TV Audio Processing (circa 2000-2003)

Back when we used to welcome school field trips at the station, one of my co-workers used to explain audio processing by saying that he was the guy who turned up the really annoying commercials. He was also the fellow who, when a teacher asked what sort of preparation one needed to be a broadcast en...
by PID_Stop
Mon Nov 09, 2020 10:47 am
Forum: TV Engineering
Topic: TV Audio Processing (circa 2000-2003)
Replies: 7
Views: 952

Re: TV Audio Processing (circa 2000-2003)

Adding to what Doug said... my facility was the first centralcasting hub to go on the air in 2000. (Not the first to be built... but the first to get the fiber circuits working, fix the various bugs, and go live.) Everything was handled as SD-SDI, and until our stations started simulcasting DTV sign...