Home Theater Assembly Experience - White Starter Edition

Let’s do some explanation first. The home theater renovations covered in this article took place in 2015. As a late patient with lazy cancer, it took two years to sort out it today. . .

I was a pure white one in that year. In order to realize the dream of home theater, I used to learn and collect information on my own. From the start of wiring, to equipment selection, and finally to connection and assembly, I was able to get it all by myself. Now I can finally accumulate it. The lessons were written down to share with everyone. The content is very simple and I hope to help some friends.

About the need to install a home theater: I am a pseudo-movie lover, especially love the movie inside, renovated in the past two years, the most satisfying is this set of equipment, can rest on the sofa, snacks and tea Great projection, very enjoyable. It's just a shame that when it wasn't on 4k, 15 years ago, many people said 4k wouldn't be popular. Because it's too big, there are fewer sources, but now I really want to see 4k. It's so clear. .

The power amplifier is actually a transit station for inputting and inputting video and audio, and plays a role of power amplification. It is necessary to connect the power supply itself.

The input source can be dvd, high-definition player, single-audio equipment, etc. The connected wires are from the oldest red, white and blue wires to now basically HD hdmi cables (transmitting audio and video at the same time), as well as optical audio cables. (I sometimes use it for TV audio input), RCA analog audio (I sometimes use headphone jack audio input), etc., depending on the input device.

The output source is divided into video and audio, and the video output can be a TV, a projector, etc. The audio output is a speaker.

5.1 The 5 speakers, including a front center, a left front, a front right, a left surround, a right surround; 1, is a heavy bass.

Speakers do not need power.

Speakers need to be connected through speaker cables and power amplifiers. For aesthetic reasons, to avoid exposure of the wires, darker cables are needed for speakers farther away from the amplifier (usually rear speakers, and subwoofers); speakers closer to the amplifier (front speakers) You can go straight ahead.

The specific placement position can be Baidu, and the product specification also has a detailed introduction.

It should be noted that it is necessary to consider in advance how the surround sound device is installed. If it is mounted, the speaker cable is passed out from the mounting position; if a support column is selected, some brackets can be worn through the soles of the soles of the feet and the speaker cable can be left in the The position of the sole (pay attention to the length). I made a mistake here. I began to take it for granted that I wanted to hang up. I left the speaker line in the middle of the wall. I didn't want to hang it up later (I didn't want to punch it). I used a stand and led to more exposed speaker wires.

Projectors need to reserve high-definition line mouth and power outlets, to achieve the best results, we must pre-plan the installation location of the projector:

Projector level x value: Determined according to the midline of the sofa.

Projector height y value: according to the "projection lens height H" and the dimensions determined.

Projection lens height H = Height along the projection screen (1) + Vertical offset (2) + Vertical lens shift range (3)

(1) Height on the projection screen: The height of the screen can be calculated from the data of a and b.

a. The height of the center line of the screen: When watching the movie, people sit on the sofa and should look straight at the center line of the screen, or look down slightly (personally feels uncomfortable looking up). Usually the height of the line of sight of a person sitting on the sofa is about 110cm, but depending on the actual situation, there will inevitably be changes (examples of my home behind). Personally think that this data is very important, only to determine this value before the final determination of the H value, it is recommended that the pre-renovation design takes into account and reasonable arrangements.

b, screen size. The size of the projection is determined by the projector specifications and projection distance. Allowable conditions are of course the greater the better, but do not be greedy, or too close to the screen, it is easy to dizziness.

Calculation method: Length = Diagonal X 0.8716 Height = Diagonal X 0.4903

Example: 100 inches Length = 100 X 0.8716 = 87.16 inches = 87.16 X 2.54 = 221.39 (cm) Height = 100 X 0.4903 = 49.03 inches = 49.03 X 2.54 = 124.54 (cm)

(2) Vertical offset = When the projection screen is shot, the height of the lens center and the height along the projection screen are deviated. Projectors with different data have their own values. You can download the instructions on the Internet to view.

(3) Vertical lens shift range = Some models can be fine-tuned in the vertical direction, so that the lens is positioned slightly higher or slightly lower than the highest level of the projection screen. Check the manual specifically.

The following figures are the data of Epson 5200 and BenQi700 respectively

Epson5200

5200 data

BenQi700

I700 data

(1) The need to leave the power supply, the need to stay power, need to stay in power. Three important things to say! At least electric curtains need power! Otherwise, it would be like me every day against a huge black power cord obviously unattractive!

Look at the nasty power cord

Annoying power cord

(2) Considering that the curtain droops, the TV needs to be mounted and the TV cabinet needs to be short. There is nothing to stop the curtain from being unfolded.

Look at the curtain

Curtain development

(3) The position of the curtain

As mentioned above, the height of the centerline of the projection part of the curtain is preferably about 110cm. However, the actual design has a problem. The height of the TV cabinet in my home is 50cm. In order to accommodate this height, the height of the projection centerline can only be controlled at about 127cm, causing the projector to look upwards.

Look at the sketches of the simple curtains I drew at the time Screen size

There is no dedicated video room, the projection is installed in the living room, and the video wall is in one direction.

(1) TV background wall wiring

TV background wall wiring

Under the TV background wall, leave the HD line port (the black one), the speaker line port (the stack of transparent color), and the 50mm pvc pipe (the upper and lower holes are there).

About the HD line: Many people recommend leaving two HD lines because they are vulnerable and vulnerable. I am naturally good at admiration. However, in line with the principle of being able to save the province, I bought a copy of Akihabara, and the other one is Yamazawa's engineering grade, which is half as cheap as Akihabara. It is now very regrettable that how can this hidden project be saved? Of course, it is the best choice to buy. Video transmission is the most important. Ah, md is 100 provinces. . As for the length, you can make allowances based on the actual measurement of the trace.

About Speaker Lines: Two must be left, one left and one right. I bought Akihabara and I wouldn’t buy Akihabara anyway. At the time, 25 meters had not been used up. I felt like I was half the way I was. I transferred the transfer. .

About pvc tube: reserved in advance, used to connect all the cables hanging from the wall-mounted TV, including the power line. Avoid the appearance of wire exposed.

Remind the students who installed the electric curtain to remember to leave a power jack on the top!

(2) sofa wall wiring

Sofa wall wiring

High-definition line mouth on the sofa wall, power jack; the middle is the surround speaker cable port, left and right. Let me mention again how to plan the layout of the speakers. Walls or pillars should be kept in place.

(1) Projector and surround sound

Projector and surround sound

a. Please ignore the ugly speaker line exposure caused by my unconformity in the early stage.

b, projector bracket is Taobao, please master installation. 299 blocks.

c, Taobao speaker bracket, their assembly, it is simple.

(2) Front speakers and amplifiers and curtains

Front speakers and amplifiers and curtains

a, the left and right speakers should actually be placed in the same position as the ear, but if I put it on the TV cabinet, it will hinder the projection of the line of sight, so the Commission had to bend the ground.

b. In the installation of the curtain, the master is found from 58. 400 pieces are installed on the door. .

c. The third time you are asked to keep the power of the curtain, the lesson of blood .

Xiao Bai simply talks about how this pile of things is assembled.

Focus on power amplifier Focus on power amplifier

Connect various input and output
Schematic

It is such an assembly, it is very simple

Tips: my amplifier has only one HDMI output, switching TV and projection, you need to plug two high-definition lines, one to a lot of trouble, and secondly, are also afraid of damage HDMI interface. Later found an artifact - HDMI splitter, successfully solved this problem: a power amplifier HDMI output - splitter into two out - two HDMI TV and projection, respectively, two devices can work at the same time, no longer have to drill Change the line behind the TV cabinet .

The yellow little guy The yellow little guy

Speakers are really expensive, and the water is too deep. I haven't studied it yet. At that time, according to the suit to buy, the total price of the amplifier plus speaker was 6700 yuan, and now I have seen it has dropped 500 .

When buying a projector, it also refers to smzdm's many articles, compare the parameters, hesitant, just this Amazon z spike, my heart is a horizontal on the order, 5999 won, also sent 3 pairs of 3D glasses, but glasses Rarely used. In order to write this article and then went to this machine, not how to cut prices for two years, happy

Originally, the budget of the curtain was not so high. I even thought about direct investment on the wall. It saves money and the effect is also good. Later, it was compromised for the TV because it was impossible to see such a large projection every day. It would be dizzy and daylight. They had to pull curtains, so they decided to buy a curtain. The master who came to install the projector said that the curtain must be pulled, otherwise the effect is not good. I am very soft-eared, I feel that the master of this security is certainly very understandable, on the persistent pull line curtain, anyway, decoration is spent when the water, regardless of the budget, and finally Taobao 2100 purchase .

1, on the size of the projection. In fact, the width of my living room is very small. At that time, I only thought that the bigger the projection screen, the better. On the 120 curtains, the result was no problem with the projection. However, after watching it, I still turned down the projection area. better .

The width of my living room is 3760mm, and the projection distance is about 3360mm, for reference.

2, on the input device. I use the Haimeidi TV box. I've used it for 234 generations. I'm basically satisfied with it. The biggest problem is that it will be used more and more slowly. As a result, I need to keep updating. I recommend using this kind of TV box regardless of system or software. Try not to upgrade.

3, local audio and video resources I use the Thunder to download the plug-in mobile hard disk. Thunder download treasure is indeed an artifact, cheap and small and easy to use, it is recommended. Advantage 1: Supports a variety of protocols that seamlessly connect all wireless devices in the home, including mobile phones, ipads, computers, and TV boxes. Advantage 2: Can be downloaded remotely, the mobile client can connect to download treasure anywhere to start the download task. Advantage 3: The mobile client can automatically back up photos and videos on the mobile phone, which is convenient and quick.

An entry-level home theater assembly experience is finally completed, please forgive me bad writing .

Finally, I wish all of us who love movies will be able to find their own world in the movie, regardless of their happiness and grief.