Can a jungle utilize Digital and Analog RGB inputs?

[salolinkpdig8]

m61206fp is the jungle, and here's a photo of the datasheet, I would have thought this meant if it's sent the proper analog voltage, the analog rgb input would work, but I'm only getting it to look like Digital RGB on the screen (no shades).

Or does anyone else see anything that might help? I tried changing the blanking voltage too but I can't get anything to change. Am I out of luck, is this just digital? Thanks for the help.

Spoiler

[CharlesMoyes]

There has to be another pin or maybe I2C command to switch the mode.

[CharlesMoyes]

Found it on Page 6 of the datasheet, you have to enable it using the I2C bus:

Analog OSD
1
15H
D4
OSD Input Digital/Analog switch 0: Digital, 1: Analog

[salolinkpdig8]

Oh wow, so how would I do that? would need like an eeprom reader /writer?

Also thank you for replying and helping, I was really curious what was going on.

[TheWizard]

I had the same problem with my Orion TV, it has a similar Mitsubishi chroma chip.

the only way to fix this is to implant a microcontroller of your own and hardwire it between the TV microcontroller and the chroma chip.

its program will send the chroma the command to make it analog and probably needs to override constant commands from the TV-micom to make it digital again

Here's mine: https://github.com/kfix/Mitsu_NTSC_Jungle_MITM

[salolinkpdig8]

I've done some more research and it looks like I would need an i2c bus interface, arduino or possibly Raspberry pi, and then code it to change those value to enable the analog rgb.

Seems a bit over my head. Crazy thing is I just brought another crt home today and it's got a really similar jungle that appears to have the same issue. Unbelievable!

I wonder if I could find someone who has the hardware available to connect to the i2c bus and pay them to do it, ship them my board's or something.

[SuperSpongo]

If you want to read up on how it all works in principle, Martin Hejnfelt has done an I2C hack of a JVC monitor and written up a detailed guide:
https://immerhax.com/?p=143

He also posts on this forum (username escapes me, skum perhaps?)