The Display: TCL 55P607

In the early days of 4K, we had cautioned consumers against hasty purchases related to the upcoming technology. As a recap and update, consumers looking for a relatively future-proof home theater display component need to have the following checklist in hand:

  • 4Kp60 capabilities with RGB 4:4:4 support
  • HDR support (preferably with Dolby Vision)
  • HDMI 2.0 ports with HDCP 2.2 support
  • Audio Return Channel (ARC) support

Thanks to the rapid adoption of 4K, the technology has come down in price. There are a wide variety of TVs and projectors fulfilling the above criteria. The budget often decides the size class as well as the TV panel technology (OLED vs. LCD/LED). The OLED vs. LCD/LED debate is beyond the scope of this piece, but, suffice to say that if the budget allows, one should go for an OLED television. Based on my particular installation location and budget considerations, I narrowed down my options to a LCD/LED TV in the 46 to 55" class. Available options included the Vizio M-Series, the Sony X800E, the Samsung MU8000 and MU7000 series, the TCL P- and S- series TVs, and the LG 55UH7700. Readers interested in the technical analysis of the above displays can refer to reviews on sites dedicated to analyzing TVs. From a specification viewpoint, the Samsung TVs were ruled out because of their lack of support for Dolby Vision. HDR10+ (the competing open HDR standard with features comparable to Dolby Vision) is yet to take off in a big way with respect to content and hardware support. In the meanwhile, there is a lot of content in OTT services that are encoded with Dolby Vision HDR. UHD Blu-rays with Dolby Vision have also started appearing inthe market. The TCL S- series was also ruled out for its 'fake' HDR nature (covered in the next section).

In the end, we decided upon the TCL 55P607 as an upgrade from the Sony KDL46EX720 in our test setup. The TV has been well-reviewed. For all practical purposes, 3D is dead, and we were not worried about the absence of 3D capabilities in the TCL model.

The TCL 55P607 is also an impressive smart TV platform, thanks to the integrated Roku features. It also enables network control of the unit. As a power user, I am not a big fan of Roku beyond its ease of use for premium OTT streaming services. In our previous evaluations, its local media playback capabilities turned out to be abysmal. In its recent iterations, the excessive advertising push has also been a bit disconcerting. In any case, it essentially comes for free with the 55P607, and for its price, it is a welcome option. Further down in this review, we will also look at how the built-in Roku platform performs for typical modern HTPC usage.

In the course of usage, I found that the TCL 55P607 delivered good value for money. However, it was not without its share of problems. One minor issue was the relatively rare flashing while playing back certain scenes (also brought out in the RTINGS review of the set). It is related to the local dimming algorithm used in the TV.

The other aspect was its high power consumption when the display was switched off. Admittedly, I do not have other comparison points, but, 24.65W in standby mode (just being able to turn it on over the network using the Roku app) seems a bit high. Finally, we found that the firmware originally on the TV when I purchased it (v7.7) had a compatibility issue with certain HDR sources that was later silently resolved in a firmware update (v8.0). That particular issue is covered in detail in the UHD Blu-ray playback section.

Introduction The AVR: Denon X3400H
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  • Kevin G - Wednesday, December 27, 2017 - link

    In the market, it seems that 4K using HDMI 2.0 with HDCP 2.2 and HDR has finally settled things down after several years of turbulence. By my count we're at the five generation of consumer 4K/UHD. First we had the wave of 4K support only via HDMI 1.4/HDCP 1.4, then a half step with some HDMI 1.4/HDCP 2.0 displays which didn't see wide spread release as a new generation with HDMI 2.0/HDCP 2.0 was around the corner which could finally do 4k60. Then HDCP 2.2 came out making all the previous HDCP 2.0 displays incredibly short lived. Now we're seeing the advent of HDR being a standardized feature to go alongside 4k. All of this is over the course of 5 years. Finally have things settle down for 4K that getting content on the display as designed is not a headache as it has been in years past. Oh and 4K content is finally arriving with streaming services and 4K disc media.

    The problem with HDMI 2.1 is that there will likely be three generations of hardware that support. First wave, which will likely be shown off at CES 2018, will focus around higher frame rate transfer or higher resolution. As these devices start shipping in late 2018, there will likely be a new HDCP version to protect 8K content announced to make all the new displays only worthwhile as monitors for the first save of HDMI 2.1 video cards. Hooray for copy protection screwing over the consumer! Then I see another generation of displays accepting variable refresh rate as soon as Sony or MS update their console to support variable refresh rate. Ultimately a good thing gaming but it'll spur another round of obsolete hardware. Best time to adopt would be wait until 8K media has settled own on a distribution medium as once content becomes readily available, there is less incentive to change underlaying spec. That'll still be years away.
  • fallaha56 - Tuesday, December 26, 2017 - link

    Also...Gemini Lake cannot do HDR because of ‘power contraints’ but an iPhone or Samsung can?

    Really? Or is this just intel at it again
  • lowphas - Wednesday, December 27, 2017 - link

    A <75 usd android TV box can do 4k60fps hdr decode on paper. Usually they have a 5v2a power supply. But I dunno, never had one before.

    Tv sets are just a display panel and a small (maybe mobile?) soc in my eyes. There is virtually no power or thermal limitation inside a tv. (I have an mu7000 series tv)

    So back to the intel cpu... I am just missing some point or it is not that demanding feature so in my opinion it can be maybe a price(ing)* constrain.
  • Mikzip - Tuesday, December 26, 2017 - link

    Is it possible to get HDR out by means of USB C to HDMI adaptor, my HDMI port is only 1.4
  • Kevin G - Wednesday, December 27, 2017 - link

    Depends on the system but most USB-C ports that can provide video do so natively by DisplayPort and then convert that over to HDMI. So HDR output is possible because DP supports it but the DP to HDMI conversion chip plays a roll here too.

    So the short answer is yes but it may not be possible with all adapters.
  • Mikzip - Wednesday, December 27, 2017 - link

    Do you know of any such adapter, the only one i have been able to lokate with HDR are only for the MacBook, and my USB C port don't have Thunderbolt
  • Kevin G - Wednesday, December 27, 2017 - link

    Not off hand that'd be guaranteed to work. Even if an adapter doesn't immediately work, you could try editing the system's EDID table to expose 10 bit color etc. and see what gets passed through. I strongly recommend this testing with a display that accepts HDR via both DP and HDMI so you could compare the results with and with the adapter as a factor.
  • Mikzip - Wednesday, December 27, 2017 - link

    I was trying to hook it up to my HDR TV LGB6, all HDMI inputs accept HDR. Editing EDID table are a little out of my league I'm afraid ;-)
  • harshw - Tuesday, December 26, 2017 - link

    The BIOS ver for the ASRock Beebox 7200-S is shown as 1.73. The version available for download from the website is 1.60. Was the 1.73 ver also a beta?

    And any idea of what the LSPCon version was? 1.66?

    It's sad that the Intel HD graphics cannot do YCbCr 4:2:2 ...
  • Nestoritwiz - Tuesday, December 26, 2017 - link

    Budget??
    Don't get me wrong I applaud your choices any of that stuff which I would love to own and it's a combination is a whole oh my God I'd be so happy.
    But if the goal was to be on a budget or last three to five years without being update outdated then why would you use a DVD player of any kind three to five years come on we all know streaming is future DVDs are like VHS. Nvidia shield on sale for 149, T5 Samsung hard drive or some equivalent hundred bucks or less, ajisen air mouse remote 25 bucks. Get your home theater system 2 to 300. And you're good to go. Thank you for allowing me to express my thoughts I just think you missed the mark a little bit.
    Happy holidays
    Stephen

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