Project: Spectrum | Locking down the procedure

sotlbv2-1

Hey community,

Now that we have shipped out new Spectrum development samples, let’s take a step-by-step look at how we quickly built these more refined units by moving Spectrum assembly onto an efficient factory line, as well as the benefits and challenges it brings. This series of behind-the-scene looks begins today.

New to the project?

If you just joined our journey of crowd-development, welcome! We summarized the Spectrum project’s critical milestones to quickly give you an idea of what has happened since we initiated it.

Why a mini build?

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A mini build sample was lit up.

A minimum-quantity, manual production run (a ‘mini build’) is conducted to obtain a standard operating procedure (SOP). This procedure then becomes the guideline for the assembly line when creating the rest of the new samples. The mini build involves developing an assembly guide, then verifying it by assembling a sample manually. Anything that helps to achieve crucial steps during this assembly process – such as installing the mid frame onto the panel in the correct direction, plugging each connector into its respective port, or arranging the precisely-sized cables neatly so they fit – is noted down alongside the process to ensure the resulting SOP is as clear and easy-to-follow as possible.

Putting a Spectrum together

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Spectrum’s panel with its shielding facing up.

Installing the mid-frame

An operator installs the mid-frame on the panel’s back and then secures it by fastening fifteen screws. The first run takes the operator multiple attempts to put the mid-frame in the correct direction to make it fit perfectly. Identification of this direction thus becomes an essential step in the SOP.

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Add screws onto the mid-frame.

Plugging in connectors and adding the PCB

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Install the PCB to the metal box.

Two embedded DisplayPort (eDP) connectors are inserted. These cables efficiently bridge image signals between the mainboard and the panel while allowing a relatively simple assembly process. The operator noted that it’s vital that the longer cable be placed further away from the monitor’s center compared to a shorter one, so they can both reach their target. The remaining two connectors are then plugged into the panel; they are used by the mainboard to control the panel’s backlight. The operator first secures the printed circuit board (PCB) onto the metal box in a separate process. The box is then fitted to the guild ribs on the panel’s shielding with the PCB facing inward, and the four cables are plugged into the PCB and arranged neatly with the added cable clip.

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Arrange internal connectors.

Installing the rear frame and joystick

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Add screws onto the joystick board.

The joystick board is screwed onto the rear frame, and the cable that comes out of it is attached to the rear frame via two tapes. The mainboard executes changes to OSD options via this cable base on the general-purpose input/output (GPIO) port’s voltage readings. The operator connects it to the PCB when the rear frame is installed. The onboard port must be correctly identified as the installation process sandwiches this port between the rear frame and the panel’s shielding, making it challenging to observe. The joystick cap is installed later, after the rear frame is pressed into place.

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Check joystick board cable’s arrangement.

Securing the housing and installing the stand

Next, the operator uses four large screws to secure the rear frame to the panel’s shielding to achieve good stability for the entire monitor. The monitor is then mounted to the stand with a “click” sound as the quick release moves to lock down the stand’s position.

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The operator should secure the four screws before the monitor gets mounted.

Powering the sample on and navigating the OSD

The LED is lit up after the power cable is plugged in. With a single press of the power button, the unit turns on and receives a video signal via an HDMI cable. I could navigate through the OSD correctly using the joystick on the back.

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Test OSD navigation. At the moment, the firmware team is focussing on optimizing Spectrum’s functions and features; they will sort out the menu’s layout and design later.

Analysis and a second run

The resistance force of stand adjustments, including height and rotation, is tested on the sample as we are tuning it to offer easy adjustability and a solid feel. The operator then disassembles the sample and builds it again to ensure that we had caught all crucial tips, and a guide based on this process can be applied to the upcoming tens of units on the assembly line.

Spectrum has changed
It illustrates a part of Spectrum’s evolvement since the use of hard tooling.

See the mini build in action! :point_down:

Coming next

As the monitor is preparing an SOP to deploy later, our stand factory readied the latest version of the Spectrum stand on their assembly line. This, we will detail in the next update. Talk soon!

nlbanner

23 Likes

Those bezels look amazing. The whole thing is looking beautiful, can’t wait to receive it.

5 Likes

Amazing, thanks for the pictures. Did I miss it, what power cord will the spectrum have?

3 Likes

You’re welcome!

Spectrum will include a power brick in the box. For the first-gen V, we tried our best to cover as many local plugs as possible. Our plug offering included one of NEMA 1-15, CEE 7/16, BS 1363, and A S/NZS 3112 connector regarding regions the V shipped to. However, given there are over a dozen local plugs worldwide, we could not include them all. Nevertheless, Spectrum’s wall plug -> power brick connector will be C5, C7, C13, or such industry-standard; hence the user can swap the cable out with ease and purchase one at a local electronic store if needed. We will evaluate sensible options for Spectrum based on our time, budget, and resources.

2 Likes

Thank you. Nice to hear you can swap the cord if its broken

3 Likes

This is looking great. Thank you for the detailed update! It looks beautiful! Really hope the onboard OS is easy-to-use.

2 Likes

The bezels are super awesome! I really like the look of the monitor. Has it been decided what kind of cable will come with the monitor? Hdmi 2.1, 2.0 or dp1.4?

3 Likes

If models are ready to be sent to reviewers, why is there no video produced by Eve on the Spectrum? That might be a great way to get your media out. If there is a video I’m just missing please link it!!

5 Likes

We are looking into a feasible way to provide cable accessories, such as whether and how to offer a free cable and a selection of purchasable cables.


Would you like to tell us exactly what kind of video you would like to see from us?

Here’s a video we shot for the first functional Spectrum prototype.

3 Likes

This looks great, but doesn’t really contain much information. A promotional video actually showing the features would be really cool. Talking about the monitor etc.

3 Likes

@Lore_Wonder, I want to thank you for everything you do for this community. The elephant in the room concerning Eve Devices was the previous launch of the V Device. These messages however are consistent, provide detailed updates and reassuring images.

The monitor is looking incredible as to be expected.

7 Likes

Is this going to come out? It’s looking like this will be out well after the Asus and Acer offereing.

1 Like

The current projected release for the Spectrum the end of February 2021. This is subject to change. It seems to be very competitive compared to other 2.1 HDMI monitors, considering some are pre-orders to specific territories.

Naturally you’ll have to do you own research.

2 Likes