DIY radar detector repair

In detail: do-it-yourself repair of a radar detector from a real master for the site my.housecope.com.

ANTI-RADAR SCHEME

Probably every driver at least once had the idea to acquire a radar detector, especially after another racket of a traffic policeman on the road. So get down to business! But let's clarify right away: a radar detector is a device that suppresses police radar, and its assembly is a very difficult task. Here we will consider a simpler anti-radar scheme - the so-called radar - a detector that signals that an inspector is scanning your car.

To measure the speed of a car, the traffic police radar receives radiation reflected from the car, and the radar detector - direct, therefore the radar detector is always able to detect the radar earlier than it measures the speed of the car! So, if a traffic cop scans from his radar 500 m from the car, this is the range of the Vizir device, then before the car approaches a visible distance of 100 m you have the opportunity to slow down.

This anti-radar scheme is quite common on the network, and although I personally did not assemble it, I had to repair such a homemade device. There, a microwave diode - the detector stood in a small funnel made of tin and the whole structure fit into a body soldered from foil PCB, the size of a pack of cigarettes. Under microwave irradiation, it blinked and peaked. Here is another version of the anti-radar circuit from the Radio magazine:

All radars in service with the traffic police operate at frequencies of 10525 MHz, 24150 MHz and 34700 MHz. These radar detectors are capable of detecting all of them.

Setting up the anti-radar circuit can be done while standing close to the person with the radar;

Or so as not to light up, near the stationary radar - camera:

Video (click to play).

Sometimes they are placed a couple of kilometers in front of the traffic police post:

Recently, the authorities have adopted: The VIZIR radar video recording speed meter consists of two independent units - a speed meter and a digital photo and video camera. The camera turns on both automatically when the driving car exceeds the preset speed limit, and manually - by an auto inspector. Surveillance cameras with built-in radar. The device works constantly, and when the speed is exceeded, the sensor is activated, which activates the camera.

The market also offers radar detectors. This device is not prohibited: nowhere in the law is it written that you cannot use radar detectors. Here are some examples of branded foreign products:

Cobra XRS-9445 Radar Detector. Price: $ 109.99

Cobra XRS-R9G with GPS Speed & Red Light Camera Detector. Price: $ 229.98

Cobra XRS-9970G Radar Detector. Our Price: $ 319.99

Questions about radar circuitry? FORUM

gusek, they are on several bands (modern). For the microwave range, a microwave generator is needed IMHO in the region of 10-12 GHz (or pile from a waveguide and a Gunn diode - drill a waveguide in a certain place), + optical range - for a laser rangefinder, there must be a lens in the antiradar.
If the sensitivity is regulated, turn until a beep appears.
If not, look for the generator of the G4-XXX series and look for the detector with an oscillator, that is, move from the indication to the beginning.

Or a familiar traffic cop with a radar.

Monitor's Killer

Posts: 3757

gusek, Place 4 stoves next to it and press the “+” button on the keyboard.

In fact, I have 2 pieces lying around, so I'm waiting for a convenient moment when a thread of friends I know breaks, so that a couple of radars on different diapanos can be removed from them.

Currently, devices such as radar detectors are gaining more and more popularity among our compatriots. Such devices are designed to fix cameras, as well as police radars, which are used to determine the speed of a car and warn the driver about their presence. Like any other gadget, the detector can fail over time. In what cases it is necessary to repair radar detectors and what malfunctions are typical for such devices - we will talk about this below.

How to check such a device at home?

If we are talking about diagnostics of functionality, then the gadget is checked in the car, the diagnostic procedure is as follows:

What malfunctions are most often manifested in the operation of detectors:

As for the repair, it is far from always possible to do it yourself. If you have the appropriate knowledge and skills, you can try to repair the detector yourself.

How can you restore the device to work:

Is your TV, radio, mobile phone or kettle broken? And you want to create a new topic about this in this forum?

First of all, think about this: imagine that your father / son / brother has an appendicitis pain and you know from the symptoms that it is just appendicitis, but there is no experience of cutting it out, as well as the tool. And you turn on your computer, access the Internet on a medical site with the question: "Help to cut out appendicitis." Do you understand the absurdity of the whole situation? Even if they answer you, it is worth considering factors such as the patient's diabetes, allergies to anesthesia and other medical nuances. I think no one does this in real life and will risk trusting the life of their loved ones with advice from the Internet.

The same is in the repair of radio equipment, although of course these are all the material benefits of modern civilization and in case of unsuccessful repairs, you can always buy a new LCD TV, cell phone, iPAD or computer. And for the repair of such equipment, at least it is necessary to have the appropriate measuring (oscilloscope, multimeter, generator, etc.) and soldering equipment (hairdryer, SMD-hot tweezers, etc.), a schematic diagram, not to mention the necessary knowledge and repair experience.

Let's consider the situation if you are a beginner / advanced radio amateur who solders all sorts of electronic gizmos and has some of the necessary tools. You create an appropriate thread on the repair forum with a short description of “patient symptoms”, ie. for example “Samsung LE40R81B TV does not turn on”. So what? Yes, there can be a lot of reasons for not switching on - from malfunctions in the power system, problems with the processor or flashing firmware in the EEPROM memory.
More advanced users can find the blackened element on the board and attach a photo to the post. However, keep in mind that you replace this radio element with the same one - it is not a fact that your equipment will work. As a rule, something caused the combustion of this element and it could “pull” a couple of other elements along with it, not to mention the fact that it is quite difficult for a non-professional to find a burned-out m / s. Plus, in modern equipment, SMD radio elements are almost universally used, soldering which with an ESPN-40 soldering iron or a Chinese 60-Watt soldering iron you risk overheating the board, peeling tracks, etc. The subsequent restoration of which will be very, very problematic.

The purpose of this post is not any PR of repair shops, but I want to convey to you that sometimes self-repair can be more expensive than taking it to a professional workshop. Although, of course, this is your money and what is better or more risky is up to you.

If you nevertheless decide that you are able to independently repair the radio equipment, then when creating a post, be sure to indicate the full name of the device, modification, year of manufacture, country of origin and other detailed information. If there is a diagram, then attach it to the post or give a link to the source. Write down how long the symptoms have been manifesting, whether there were surges in the supply voltage network, whether there was a repair before that, what was done, what was checked, voltage measurements, oscillograms, etc. From a photo of a motherboard, as a rule, there is little sense, from a photo of a motherboard taken on a mobile phone there is no sense at all. Telepaths live in other forums.
Before creating a post, be sure to use the search on the forum and on the Internet.Read the relevant topics in the subsections, perhaps your problem is typical and has already been discussed. Be sure to read the article Repair strategy

The format of your post should be as follows:

Topics with the title “Help fix the Sony TV” with the content “broken” and a couple of blurred photos of the unscrewed back cover, taken with the 7th iPhone, at night, with a resolution of 8000x6000 pixels are immediately deleted. The more information about the breakdown you put in a post, the more chances you will get a competent answer. Understand that the forum is a system of gratuitous mutual assistance in solving problems and if you are dismissive of writing your post and do not follow the above tips, then the answers to it will be appropriate, if anyone wants to answer at all. Also note that no one should answer instantly or within a day, say, no need to write after 2 hours “That no one can help”, etc. In this case, the topic will be deleted immediately.
You should make every effort to find a breakdown on your own before you get stuck and decide to go to the forum. If you outline the whole process of finding a breakdown in your topic, then the chance of getting help from a highly qualified specialist will be very great.

If you decide to take your broken equipment to the nearest workshop, but do not know where, then perhaps our online cartographic service will help you: workshops on the map (on the left, press all buttons except “Workshops”). You can leave and view user reviews for workshops.

For repairmen and workshops: you can add your services to the map. Find your object on the map from the satellite and click on it with the left mouse button. In the field “Object type:” do not forget to change to “Equipment repair”. Adding is absolutely free! All objects are checked and moderated. A discussion of the service is here.

For novice radio amateurs, you can offer a simple metal detector circuit on a single integrated circuit TDA0161. It is based on a specially designed circuit for detecting metal objects. The scheme is quite simple, because basically everything is assembled in a microcircuit and a few details around it.

The power indicator is suitable for any novice radio amateur. It can be built into speakers, a tape recorder or an amplifier by selecting the resistance R7. More details ...

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The largest companies for the production of radar detectors offer devices in three price categories, and in some cases, prices in relation to the declared characteristics are not comparable. Affected by the influence of the brand, the popularity of the company, the materials used and the introduction of the latest technologies.

How do radar detectors work? The following requirements are imposed on radar detectors:

The detection range of a signal by a radar detector is one of the most important characteristics of the device, since the amount of time it takes to make a decision depends on it. In the “city” mode, the detection distance of the radar radiation fluctuates within 700-850 meters, outside the city the distance can reach 3 km.

Working range of waves - the wider the range of waves received by the device, the more models of DPS radars it can take direction finding. Today, without fail, radar detectors must operate at the following frequencies:

X-band (10.525 GHz) - obsolete frequency, models on it are not produced, but still found on the roads.
K-band (24.15 GHz) - this frequency is used in most radars in service with the traffic police.
Ultra X - short pulse range, introduced since 2002, used in modern Sokol radars.
Ultra K - the K range of short pulse frequencies, introduced since 2004, is used in Iskra and Berkut radars, as well as in video recorders.
VG-2 - radar detector blocker when detecting direction finding equipment from traffic police officers.
POP TM is the frequency range of radars used in the USA.

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Moderator Sep 25 2012

Well, what about the irradiation you turned it down. Despite the fact that everywhere there are mobile networks, wi-fi and the like, your radar detector will not do anything wrong. It just might be a problem due to its illegal use. Install a radar detector)

and which model is more reasonable to choose?

I hear about it for the first time.

difference in terminology
a radar detector is essentially a special device that disables the radar. it's illegal everywhere.

thanks, now I will know. I'll think about it.

Cyril, where does infa come from?
for example, to normally mute the phone, you think the phone has enough power. you need many times more! And this is not taking into account that it is necessary to jam the entire potential band and not a couple of frequencies at which the signal is actually transmitted (!)

And where does the infa come from that the radar detector is harmful to health? If the rays are directed, then all the more there is nothing to be afraid of.Maybe you don't use a microwave either? There, too, the radiation is good

And where does the infa come from that the radar detector is harmful to health? If the rays are directed, then all the more there is nothing to be afraid of. Maybe you don't use a microwave either? There, too, the radiation is good

It's just that there is powerful radiation in the antiradar, that's all. If a person is irradiated like that, then nothing good will happen. But this is all theory

something in the news slipped the idea of the traffic police to ban these things.
who thinks about this?

Yes, this idea is not the first time jumping, but has not yet been banned. If they are banned, they will come up with something new.

And what can you think of new here?

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Don't drink while driving! 11 oct. 2012

And what can you think of new here?

But you never know what. Once upon a time, there were no anti-radars, and there were no detectors. Then they came up with it. Well, that's the same and something else will come up with. Progress.

As for me, all these anti-radar and radar detectors are illegal, or at least go against their conscience. It would be better for something to come up with a device so that drivers observe traffic rules

Why is it against your conscience? What's so terrible about that?

It is hard to imagine a car enthusiast who would not have heard anything about such a device as a radar detector, in the common people called antiradar... It helps to capture the radio signals emitted by radars, which are usually used by traffic police officers in order to identify violators of the speed limit on the road.

At the same time, many can say, they say, they heard something, but they just never thought to use this device, because the speed limits have never been violated and we are not going to violate.

But in fact, any experienced driver will say that there are situations when you really lose control over the speed of the car, and even if this is expressed even in a slight excess, this is enough to be fined or even deprived of a driver's license.

In this regard, antiradar it is recommended to purchase and install a car for everyone, at least as a reminder that the speed limit on the road must be observed. But if you plan to use this device, pay attention to two important nuances. First, your car should not have an athermal windshield. Such glasses are now in vogue, because they allow you to reflect the sun's rays and prevent the heating of the car interior, thanks to the silver oxide contained in their composition.

But the point is that such glass prevents radio signals from entering the car interior, i.e. the radar detector, in this case, becomes incapacitated and does not catch. That is why, if you are not sure which windshield is installed on your car, take a close look at it.

If you notice a metallic sheen on the outside, as well as in the protection area where the rear-view mirror is located, it means that you either have to abandon the purchase of an anti-radar device, or you will need to replace the windshield. However, you can choose a radar detector with a spaced-type installation. For example on some car models Peugeot an athermal windshield is installed through which very badly catches anti-radar.

The second nuance - pay attention to the complete set of your car. Fancy bells and whistles such as cruise control, a blind spot sensor or other functions that measure the distance between an object and your car can jam the radar signal, therefore the radar detector becomes useless again.

Of course, there is an option with the purchase of radar detectors capable of separating interference from the radar signal, but, firstly, today only two models of such devices have been developed, and secondly, their price is unlikely to suit an ordinary domestic motorist.

What to do if the stove in the car does not work?

Replacing the crankshaft oil seal on the timing side with ep6, 308, 408 and 3008

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alexsarans_k 08/31/2013

Does anyone in Saransk repair radar detectors?

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alexsarans_k 08/31/2013

Radar detector stinger 430. Signal level indication scale from 1 to 9. When the radar was detected, it showed indication from 1 or from 2. Now only from 3. I started to catch worse, from a shorter distance. Check it out. Or tweak if you can.

Definitely leaving the local oscillator setting in the horn. In general, it is the three brands mentioned above that suffer from this. Bring it, I'll return it to him, but as I wrote, some parameters cannot be restored without a debugging stand, and it is not in Saransk. And if there was, the cost would not be appropriate for repair.

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alexsarans_k 08/31/2013

Question after inspection. Maybe I won't be able to restore it.

Heterodyne IMHO has nothing to do with it. The horn is mechanically damaged (fell off, fell apart, etc.), or the vibrator moved away from its place, either in the horn, or do not disappear on the board. Disassemble it yourself and see.

There will be a reception, but the sensitivity will decrease. The receiver in the radar, I think, is quite broadband, and when, when detuning the local oscillator, only the peak of the highest sensitivity shifts along the spectrum, I think it will still be captured by the receiver.

With such malfunctions, there will be no reception at all. For the listed brands, it is the local oscillator settings that float away. Repeatedly tested. Without a source with stable radiation both in frequency and in impulse, it is impossible to understand in which direction the adjusting screw should be turned.
I usually tune with my Spark.
There will be a reception, but the sensitivity will decrease. The receiver in the radar, I think, is quite broadband, and when, when detuning the local oscillator, only the peak of the highest sensitivity shifts along the spectrum, I think it will still be captured by the receiver. With that shit that stands in crunches, the local oscillator settings just go away from time to time. Have you ever seen what's inside them (I mean crunch / star / stinger)?

I chose blue from 2 offered color options. The device is quite small, it is connected via a cigarette lighter. The fact that it is on is signaled by a dot on the block. The settings are intuitive, I immediately chose the "city" mode. Tellingly, at first it was even unusual for me - the silence in the cabin! Only in the most unexpected places for me did the radar begin to sound - I did not even suspect that there were cameras there, recording speed violations. It was this radar that saved me from new fines. He even fixes the devices that are in special vehicles - he was also convinced of this. The purchase turned out to be extremely useful for me - I have not received a single fine from the date of installation of the anti-radar.
Order radar detector Repair a radar detector with your own hands Autoplate with a radar detector [/ b], Buy a radar detector in Saratov [/ u], [url =] Radar detectors used [/ url] Order antiradar.

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In our understanding, engaging in Natural farming (synonyms - ecological, natural, organic), a person naturally comes to lead a healthy lifestyle. Otherwise, the meaning of the word Natural is lost.

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We will be sincerely glad to be useful to you - dear farmers.

At the same time, many can say, they say, they heard something, but they just never thought to use this device, because the speed limits have never been violated and we are not going to violate.

The second nuance - pay attention to the complete set of your car.Fancy bells and whistles such as cruise control, a blind spot sensor or other functions that measure the distance between an object and your car can jam the radar signal, therefore the radar detector becomes useless again.

What to do if the stove in the car does not work?

Replacing the crankshaft oil seal on the timing side with ep6, 308, 408 and 3008

Active radar detectors and passive radar detectors are designed to save car owners from speeding tickets. The first type of devices suppresses the radar signal, making it difficult to take readings, but in itself it is prohibited and can be confiscated with a large fine. The radar detector, on the other hand, picks up the signal and notifies the driver about it so that he has time to slow down. Repair of radar detectors in Yekaterinburg is a demanded service, since many devices of this type are not of high quality and fail quickly.

Repair of radar detectors is often required after mechanical damage (falls, bumps, driving on broken roads), contact with water or careless handling, but sometimes the factory soldering may initially turn out to be of poor quality.

It is necessary to contact the service if the warning speaker begins to wheeze, there is no sound signal, or there is a constant false alarm. All this makes use impossible, and problems have to be fixed as soon as possible.
If the device does not turn on, a blown fuse or power supply could be the cause.
False operation occurs if the settings of the high-frequency unit are out of order, problems with the display can be the result of a shock or a power surge.

In any case, repairs cannot be done independently. The factory case is most often not intended for opening at all; the device can only be disassembled in a service center. Entrust the repair of radar detectors in Yekaterinburg to the specialists of our company, and the device will be ready for use again.

Our company has long been engaged in the repair of various automotive electronics: the services of professionals will allow you to quickly and reliably solve the problem, and the radar detector will not let you down at a crucial moment. Our company has several advantages: For the repair of radar detectors and radar detectors, we use high-quality components, and the device will serve for a long time. All specialists have extensive experience in working with electronics. High professionalism allows you to cope with any breakdowns.

The customer will receive a long-term warranty card. Our services will be very inexpensive.

Call us and describe the existing faults to find out the cost of repairs. A reliable radar detector will allow you to keep everything under control, and you will not have to pay traffic fines. Take advantage of our offer and the device will be ready for use very soon.

Laser / radar detector operation, Possible malfunctions - Star Dreams Crunch 213B Instruction Manual
stopped working, possibly

Read also: DIY pvc door repair
Blown fuse in the power cord adapter.
Check the fuse and replace with a spare if necessary.
To replace the fuse, you must:

1. Unscrew the top of the cigarette lighter adapter by

power cable. Remember: you need to unscrew it slowly, since
the fuse is held in place by a spring that can “fly out” when
removing the adapter cover.
2. Remove the fuse, check if it is defective and install
new (spare fuse included).

4. OPERATION OF THE LASER / RADAR DETECTOR

Power on and self-test

To turn on the instrument, make sure that the power socket is

the detector is connected by a power wire to the cigarette lighter, turn on
the device by turning the volume control away from you until
hear a slight click.

After turning on the detector, as a self-test

all the LEDs that correspond to each of the
ranges and operating modes determined by the device, as well as
sound signals of X, K and Ka bands are reproduced. Then all
LEDs go out, except for the power indicator [

Light-emitting diode).
Memory of the set settings

After turning on the device, it automatically remembers

the adjustments you made even if the power was turned off
from the device. The device memorizes the brightness level (Dim), any of the three
modes CITY and SILENCE mode.
Volume control

Adjusting the volume of laser / radar beeps

directions away from you and towards you (see Fig. 1).
Changing the brightness of the display

The Dim function decreases the brightness of the display. Click the button

"Dim" to reduce the brightness of the LED display
by about 50%. By pressing the Dim button a second time, all LEDs
except for the green LED [

] (Power) will go out. To exit the mode

and restore the display to full brightness, press the Dim button again
once.

In modern cities, and in industrial zones, your

the detector may encounter many weak radio signals, not
related to strong signals from the police radar. Source
radio interference

repeaters, high voltage lines, satellite equipment and
etc. To prevent the detector from responding to unnecessary signals, it
provided for the CITY mode, the mode for changing the sensitivity
receiving device Laser / Radar detector, which significantly
reduces the number of false positives. It is also important to know that
old and cheap radar detectors can also be sources
weak radio signals to which your detector may respond,
so remember to turn on CITY mode where necessary.

Unlike most radar detectors,

sensitivity level: ROUTE, HIGHWAY and CITY mode.

• To enable TRAFFIC mode, press the City button

once, the green LED [

(Highway) provides maximum sensitivity and range
reception of radio signals. This mode is ideal for out-of-town
driving where there are almost no false signals, and high speeds
require early warning of signal detection
police radar.

• To turn on the HIGHWAY mode, press the "City" button

the second time, the green LED [

intended for driving on city highways.

• To activate CITY mode, press the City button in the

the third time, the green LED [

designed for driving on city streets.
SILENT mode

Pressing the MUTE button decreases the volume

continue to function. By pressing the "MUTE" button a second time, you
turn off all audible alarms completely. To exit the mode
SILENCE Press the "MUTE" button a third time.
Radar Signal Detection
When radar is detected, Laser / Radar detector

You as follows:
1. For each of the X-, K-, and broadband Ka-bands, the detector
produces sound signals that are different from each other in tonality. How

the closer you get to the radio source, the more often you
signals will be issued. When the received signal level becomes
especially strong, (close proximity to the source), sound
the signal becomes continuous.
2. In unison with the audio signals (with the same frequency), the
corresponding LEDs (orange for X or red for K and
Ka-bands).
When a laser signal is detected:
1. The device will emit a sound signal with a distinctive tone.
2. Orange LED under the letter [

] will light up and start flashing.

3. Laser signals are the priority for your detector.
If both laser and radio signals are present, the detector

detects and warns you first about laser signals, and
only then about radar signals.

laser signals of three types: LTI20-20, Ultra Lyte and ProLaser.
VG-2 system signal detection.

VG-2 guns are called “radar detector detectors”. This

emitted from automotive laser / radar detectors. Such VG-2
guns are in service with the police in countries where officially
the use of radar detectors in cars is prohibited. At
VG-2 signals are detected, the display will simultaneously light up three
LEDs X, K and Ka bands.

Note: throughout the Russian Federation

the use of radar detectors is not prohibited.

Pulse radar detection.

Pulse police radar is much more difficult to detect,

than conventional speed meters, since it remains inactive
condition,

pulse radars. When detecting signals from such a radar,
the detector will emit a very short beep and the LED will start
flash at a very high frequency.

5. POSSIBLE FAULTS

If the laser / radar detector does not turn on:

1. Check the power cable. Make sure both plugs are
inserted into the corresponding connectors until they stop.
2. Check the fuse for the cigarette lighter socket of your
car. Refer to the vehicle manual.
3. The cigarette lighter socket may be clogged. Blow the nest
cigarette lighter with compressed air and wipe with a cloth dampened
alcohol. To achieve maximum contact, clean the socket
fine sandpaper.
4. There may be a problem with the wiring of your car
(faulty electrical circuit).
5. Make sure the detector volume switch / control is
is in the "ON" position

metal objects into the cigarette lighter socket. This can lead to
to a fire in your vehicle's wiring.

Check the electrical circuit of the vehicle, including the terminals

storage battery and generator.

Check the reliability of the on-board network connection to the socket

Insecure signal reception:

Check the angle of the detector.
Aim the detector with the antenna towards the horizon.

The radio antenna / laser sensor is obstructed

(wiper blades, other items).

Reinstall the detector to another level, so that it

Video (click to play).

there were no objects blocking the signal path (see manual
on installation).

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DIY radar detector repair

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