Sony TV HX9096 Dolby Vision playback strange situation

Server Version#:1.25.2.5319
Player Version#: 8.27.2.29938

I have some very extrange situation while playing some mkvs supposed to have the same video stream. The file #1 plays fine, TV recognize the dolby vision stuff, etc. and everything is correct. But with file #2 TV doesn’t recognize the dolby vision.

I have the same problem with another movie file with same Dolby Vision profile / level that has the same problem of dolby vision not being recognized by the TV.

Is there any way to try to figure out what’s going on ?

Thanks in advance.

Media info file #1:

Media

    Duration 57:11
    Bitrate 15080 kbps
    Width 3840
    Height 2160
    Aspect Ratio 1.78
    Video Resolution 4K
    Container MKV
    Video Frame Rate 24p
    Video Profile main 10

Part

    Duration 57:11
    File Dexter New Blood - s01e01 - Cold Snap.mkv
    Size 6.03 GB
    Container MKV
    Video Profile main 10

    Codec HEVC
    Bitrate 14695 kbps
    D O V I B L Present true
    D O V I Level 6
    D O V I Present true
    D O V I Profile 5
    D O V I R P U Present true
    D O V I Version 1.0
    Bit Depth 10
    Chroma Subsampling 4:2:0
    Coded Height 2160
    Coded Width 3840
    Color Range pc
    Frame Rate 23.976 fps
    Height 2160
    Level 5.0
    Profile main 10
    Ref Frames 1
    Width 3840
    Display Title 4K (HEVC Main 10)
    Extended Display Title 4K (HEVC Main 10)

    Codec AC3
    Channels 6
    Bitrate 384 kbps
    Language English
    Language Tag en
    Audio Channel Layout 5.1(side)
    Sampling Rate 48000 Hz
    Display Title English (AC3 5.1)
    Extended Display Title English (AC3 5.1)

    Codec SRT
    Language English
    Language Tag en
    Title English
    Display Title English (SRT)
    Extended Display Title English (SRT)

    Codec SRT
    Language Spanish
    Language Tag es
    Format SRT
    Display Title Spanish (SRT External)
    Extended Display Title Spanish (SRT External)

Media info file #2:

Media

    Duration 52:32
    Bitrate 29912 kbps
    Width 3840
    Height 2160
    Aspect Ratio 1.78
    Video Resolution 4K
    Container MKV
    Video Frame Rate 24p
    Video Profile main 10

Part

    Duration 52:32
    File Dexter New Blood - s01e02 - Storm of ■■■■.mkv
    Size 5.61 GB
    Container MKV
    Video Profile main 10

    Codec HEVC
    Bitrate 14636 kbps
    D O V I B L Present true
    D O V I Level 6
    D O V I Present true
    D O V I Profile 5
    D O V I R P U Present true
    D O V I Version 1.0
    Bit Depth 10
    Chroma Subsampling 4:2:0
    Closed Captions true
    Coded Height 2160
    Coded Width 3840
    Color Range pc
    Frame Rate 23.976 fps
    Height 2160
    Level 5.0
    Profile main 10
    Ref Frames 1
    Width 3840
    Display Title 4K (HEVC Main 10)
    Extended Display Title 4K (HEVC Main 10)

    Codec EAC3
    Channels 6
    Bitrate 640 kbps
    Language English
    Language Tag en
    Audio Channel Layout 5.1(side)
    Sampling Rate 48000 Hz
    Display Title English (EAC3 5.1)
    Extended Display Title English (EAC3 5.1)

    Codec EIA_608
    Bitrate 14636 kbps
    Embedded In Video 1
    Display Title Unknown (Closed Captions)
    Extended Display Title Unknown (Closed Captions)

    Codec SRT
    Language English
    Language Tag en
    Display Title English (SRT)
    Extended Display Title English (SRT)

    Codec SRT
    Language English
    Language Tag en
    Title SDH
    Display Title English (SRT)
    Extended Display Title SDH (English SRT)

    Codec SRT
    Language Spanish
    Language Tag es
    Format SRT
    Display Title Spanish (SRT External)
    Extended Display Title Spanish (SRT External)

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