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Search: Posts Made By: Diopter_Doctor
Forum: Video Hardware Repair 12-01-2022, 06:23 PM
Replies: 19
Views: 517
Posted By Diopter_Doctor
Anyone know why ccbradley put a switch on his...

Anyone know why ccbradley put a switch on his modded units? The one I'm currently working on seems not to change anything with the output, so I'm trying to figure out why it's even there and if it's...
Forum: Video Hardware Repair 11-30-2022, 11:15 AM
Replies: 19
Views: 517
Posted By Diopter_Doctor
I use PACE stations. I typically don't go over...

I use PACE stations. I typically don't go over 700 degrees F unless it's a very large pad I'm soldering to. Desoldering is always a higher temp than my solder station, though. ...
Forum: Video Hardware Repair 11-29-2022, 09:39 PM
Replies: 19
Views: 517
Posted By Diopter_Doctor
Yeah, it's sad... multiple solder balls. He...

Yeah, it's sad... multiple solder balls. He didn't pay any attention to detail and likely just tried to get it done asap. Also, designing and ordering a custom PCB what have been much nicer (and...
Forum: Video Hardware Repair 11-29-2022, 09:29 AM
Replies: 19
Views: 517
Posted By Diopter_Doctor
Repairing a unit modded by someone else. This one...

Repairing a unit modded by someone else. This one uses a perf board to replace the power side of the amp board. more pictures to come...
Forum: Video Hardware Repair 09-12-2022, 05:42 PM
Replies: 15
Views: 579
Posted By Diopter_Doctor
That cap receives the Chroma input for S-video....

That cap receives the Chroma input for S-video. So that makes sense, but didn't you say it happened with composite as well?
Forum: Video Hardware Repair 09-10-2022, 12:46 PM
Replies: 15
Views: 579
Posted By Diopter_Doctor
Sorry this isn't actually a test pattern. I never...

Sorry this isn't actually a test pattern. I never intended to upload this.

A few seconds of this TBC-1000 after refurb and mod.

https://www.youtube.com/watch?v=8C-_A6C1xvc
Forum: Video Hardware Repair 09-06-2022, 01:05 PM
Replies: 15
Views: 579
Posted By Diopter_Doctor
This is so strange. I didn't have any visual...

This is so strange. I didn't have any visual issues like this during my testing...

I actually recorded a video while testing your unit. I'll upload it to Youtube when I get time.

I used: Sony...
Forum: Video Hardware Repair 08-01-2022, 11:03 AM
Replies: 19
Views: 517
Posted By Diopter_Doctor
True. My unit usually sits by itself on a bench...

True. My unit usually sits by itself on a bench in an A/C'd room. For those who rack mount these, venting is not a bad idea.



Interesting, so even when they were brand new you think the amp...
Forum: Video Hardware Repair 08-01-2022, 09:57 AM
Replies: 19
Views: 517
Posted By Diopter_Doctor
A few reasons why this specific mod isn't for...

A few reasons why this specific mod isn't for everyone.

1.) Those who are using consumer equipment will not have/need BNC. Those are more so for professional equipment that already have those...
Forum: Video Hardware Repair 07-31-2022, 08:55 PM
Replies: 19
Views: 517
Posted By Diopter_Doctor
You can remove the amp, but you lose some caps, a...

You can remove the amp, but you lose some caps, a diode, and a voltage regulator needed to power the video board.

I've been recording the different revisions as I come across them. Essentially...
Forum: Video Hardware Repair 07-29-2022, 07:51 PM
Replies: 19
Views: 517
Posted By Diopter_Doctor
Different Datavideo TBC-1000 mods?

Curious to see what others have done as far as modding their Datavideo TBC-1000's.

Wanted to share one I recently did.
Soldered input to VP-301 board
Soldered output to VP-301 board and placed...
Forum: Video Hardware Repair 07-18-2022, 04:03 PM
Replies: 4
Views: 162
Posted By Diopter_Doctor
hodgey is right. Larger cap has no grey...

hodgey is right.

Larger cap has no grey stripe to indicate negative side. It also has BP printed on it.

Although, you can have the exact same capacitance and voltage rating but have different...
Forum: Video Hardware Repair 07-15-2022, 11:12 AM
Replies: 15
Views: 579
Posted By Diopter_Doctor
Here is some up close pics of what this board had...

Here is some up close pics of what this board had on it.

Looks like a novice/apathetic tinkerer tried to modify the board
Forum: General Discussion 07-11-2022, 04:14 PM
Replies: 96
Views: 3,335
Posted By Diopter_Doctor
Have you posted any recordings you've made with...

Have you posted any recordings you've made with this device, yet?
Forum: Photo Processing, Scanning & Printing 07-11-2022, 04:03 PM
Replies: 14
Views: 1,184
Posted By Diopter_Doctor
Hmmm, so other than voltage, amps, polarity, and...

Hmmm, so other than voltage, amps, polarity, and brand name, any nuggets of wisdom?



Would be nice for the community, but I'm not holding my breathe :D
Forum: General Discussion 07-11-2022, 03:58 PM
Replies: 96
Views: 3,335
Posted By Diopter_Doctor
Hmm, I'm not familiar with these, but interested....

Hmm, I'm not familiar with these, but interested. Looking at them I assume these were all industry grade tech? If these FPGA TBCs are out there, could you not copy the instructions onto an new FPGA...
Forum: Photo Processing, Scanning & Printing 07-11-2022, 02:49 PM
Replies: 14
Views: 1,184
Posted By Diopter_Doctor
True. I'm personally a stickler for OEM...

True.

I'm personally a stickler for OEM unless someone has properly remade a PSU for my specific machine. I've had electronics die or permanently malfunction from wrong PSUs at my job. I'd rather...
Forum: Photo Processing, Scanning & Printing 07-11-2022, 12:50 PM
Replies: 14
Views: 1,184
Posted By Diopter_Doctor
It doesn't give you output specs.... no way to...

It doesn't give you output specs.... no way to know.
Forum: General Discussion 07-11-2022, 09:54 AM
Replies: 96
Views: 3,335
Posted By Diopter_Doctor
A few years ago I had similar thoughts of: "Can't...

A few years ago I had similar thoughts of: "Can't we FPGA anything nowadays?" especially with the pixelFX morph promising TBC functionality before it came out. After reading for days (weeks?), I got...
Forum: Photo Processing, Scanning & Printing 07-11-2022, 08:55 AM
Replies: 14
Views: 1,184
Posted By Diopter_Doctor
The specs in these two photos are different ...

The specs in these two photos are different

Top: 12V up to 1.5amps
Bottom: 9V up to 1.12amps

These are not compatible. Voltage must match what your machine requires, amp rating should meet or...
Forum: Capture, Record, Transfer 06-28-2022, 01:49 PM
Replies: 5
Views: 266
Posted By Diopter_Doctor
Thanks for posts, fellas. If anyone needs...

Thanks for posts, fellas.

If anyone needs any refurb on these units, just PM me.

There are a few tricky spots when working on these units. I'm currently putting together a video of doing an...
Forum: Project Planning, Workflows 06-03-2022, 02:37 PM
Replies: 28
Views: 950
Posted By Diopter_Doctor
Panasonic is likely higher quality than the...

Panasonic is likely higher quality than the Goldstar, so I'd use that if you must. You'd be better off with an s-vhs player from JVC that's recommended on this site.

I mean, you won't be getting a...
Forum: Capture, Record, Transfer 05-31-2022, 01:30 PM
Replies: 18
Views: 669
Posted By Diopter_Doctor
Yes, all the units I've seen still have the...

Yes, all the units I've seen still have the composite "out" and unpopulated solder pads for the s-video interface on the VP-301 adjacent to the power board.



You could remove the dist amp, make...
Forum: Capture, Record, Transfer 05-26-2022, 02:35 PM
Replies: 18
Views: 669
Posted By Diopter_Doctor
What is the difference between the TBC-1000's...

What is the difference between the TBC-1000's that are and aren't moddable?

On the TBC-1000s I've recapped, between 1/5 - 1/3 of the caps were bad/ the ESR was multiples higher than it should be....
Forum: Capture, Record, Transfer 04-05-2022, 02:06 PM
Replies: 8
Views: 8,564
Posted By Diopter_Doctor
If you have a recommended S-VHS player (JVC...

If you have a recommended S-VHS player (JVC HR-S7900U) and a recommended FF-TBC (TBC-1000), what would be the benefit of disabling the S-VHS line TBC and using the DMR-ES10 instead? Is that really...
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