KR20120037615A - Method and apparatus for diagnosing a device and informing results of the diagnosis - Google Patents

Abstract

The present invention relates to a method and apparatus for diagnosing an abnormality of a device for processing a video signal and displaying the result. One method according to the present invention comprises the steps of checking whether there is an abnormality of at least one of the constituent means of the video device, and if it is confirmed abnormally, the previously stored abnormal image expected to be output by the abnormality, and is actually received Outputting a diagnosis result guide screen displayed together so that a real-time image obtained through signal processing of the image device with respect to a signal can be compared by a user; and according to a user's selection, And outputting the stored abnormal state guide image.

Description

Method and apparatus for diagnosing and displaying abnormalities of the device {Method and apparatus for diagnosing a device and informing results of the diagnosis}

The present invention relates to a method and apparatus for allowing a user to know when an abnormality occurs after diagnosing a function of a device for processing a media signal such as a video signal.

Abundant video contents are provided through various media, and each home is equipped with various receivers, for example, a media top box. Also, due to the development of information and communication, information and communication devices (eg, computers, wired / wireless routers, ADSL modems, etc.) are often distributed in each household.

However, even users who enjoy watching media in the home or frequently exchanging information through information and communication often do not know exactly how to operate the home devices that provide the basis. Therefore, when an abnormal operation situation occurs unlike usual, A / S may be unconditionally requested before checking the state of the device. This incurs a cost burden on a company that manufactures and sells devices.

Some users do not request unconditional A / S and try to figure out what cause the current operation status is caused by actual user's manual, etc. It is not easy to find the contents corresponding to the current state of the device among them, so it is not easy to personally find the cause in the user manual and take action accordingly.

It is an object of the present invention to provide a method and apparatus for allowing a user of an image signal processing apparatus to visually easily recognize an abnormality of a device and a cause of the abnormality through an image.

Another object of the present invention is to provide a method and apparatus for allowing a user of an image signal processing apparatus to easily grasp an abnormality of a device and to take action.

The object of the present invention is not limited to the explicit purpose described above, and of course includes achieving the effect that can be derived from the specific and exemplary description of the present invention.

According to an aspect of the present invention, a method for providing a diagnosis result of a device includes the steps of checking whether there is an abnormality with respect to at least one of the constituent means of the device, and when the abnormality is confirmed, an output is expected by the error. Outputting a diagnosis result guide screen displaying a previously stored image and a real-time image obtained through signal processing of the device on an actually received signal, and linked to the output expected image according to a user's selection And outputting the abnormal state action guide image stored therein.

In one embodiment according to the present invention, the output diagnosis result guide screen, the text information for inquiring whether the output prediction image and the real-time image is the same or the image by the same phenomenon.

In one embodiment according to the present invention, the output diagnosis result guide screen, with respect to the output expected image, also includes a normal image that is represented when the output is normally on the screen.

In an embodiment according to the present invention, the abnormal state action guide image includes image, image, or text information for visually guiding what state or what object of the device should be taken. The abnormal state action guide image further includes information informing the corresponding part of the user manual, which describes matters to be corrected for the abnormality. In addition, in the present embodiment, the step of outputting the abnormal state action guide image allows the user to request to output a portion of the electronic manual, which describes matters to be corrected for the abnormality, as a video signal. Output more menu items.

In one embodiment according to the present invention, the method, in response to the user's request, for the pre-stored images expected to be output by each abnormal, sequentially through the signal processing of the device for the actual received signal Outputting together with the obtained real-time image, and when there is a user's specific selection during the sequential output operation, outputting the abnormal state action guide image stored in association with the pre-stored output prediction image output at that time. It includes more. In this embodiment, the request of the user is made by selection on the diagnosis result guide screen or by selection on a diagnosis menu provided in accordance with the user's diagnosis request.

According to another aspect of the present invention, an apparatus for receiving and outputting a video signal is a plurality of mutually connected constituent means for converting to a signal that can be displayed by a display device by receiving and processing the video signal from the outside. A configured signal processing unit, a storage unit for storing at least one of the plurality of constituent means in association with each other an abnormal image expected to be output by an abnormal state identified by the constituent means and an abnormal state action guide image; If at least one of the plurality of constituent means is confirmed whether the abnormal state is confirmed, the abnormal image stored in the storage unit associated with the abnormal state and the signal processing of the signal processing unit for the actual received signal The diagnostic result guide screen displaying the real-time image obtained through is displayed on the guide screen. , It is configured to include a control unit configured to perform a series of processes such that the abnormality image is output action instructions that are stored in association with the group over the image according to the user's selection.

In one embodiment according to the present invention, the control unit is configured to output a diagnosis menu according to a diagnosis request of a user, and to perform the series of processes according to selection on the diagnosis menu.

In accordance with the invention described above and at least one embodiment of the invention described in detail below, the user is currently watching an abnormal image and an example of an abnormality for a device for processing a video signal. The visual comparison with the screen status makes it easy to check the cause and the cause, and to take appropriate action accordingly.

1 illustrates a configuration of a digital broadcast receiver implemented with a method for diagnosing and displaying an abnormality of a device according to an embodiment of the present invention.
2A and 2B are examples of flowcharts of a method for diagnosing and displaying an abnormality of a device according to an embodiment of the present invention;
3A to 3D are examples of guide screens provided to guide the results when abnormalities are confirmed in the diagnosis, according to an embodiment of the present invention.
3E is an example of a guide screen provided to guide the result when abnormality is confirmed in the diagnosis according to another embodiment of the present invention,
4A to 4D are examples of guide screens provided for guiding an action of an abnormal state, according to an embodiment of the present invention;
5 is an example of an image comparison screen provided to determine device abnormality through image comparison according to an embodiment of the present invention.
6 is an example of a flowchart in which a diagnostic method is selectively performed according to a user's selection according to an embodiment of the present invention.

Embodiments of a method and apparatus for diagnosing and displaying an abnormality of an image signal processing device according to the present invention will be described in detail with reference to the accompanying drawings.

1 illustrates a configuration of a digital broadcast receiver implemented with a method for diagnosing and displaying an abnormality of a device according to an embodiment of the present invention.

The digital broadcast receiver of FIG. 1 tunes a desired one or a plurality of signal bands in a broadcast signal (for example, a terrestrial wave, a cable, or a satellite broadcast signal) received through a connected RF signal line 1, for example, a coaxial cable. A signal demodulator 9 for demodulating and outputting a signal of the tuned band as a digital stream, and a transport stream (MPTS: Multi-Program TS) of multiplexed programs in each of the demodulated digital streams. Obtained through data exchange with a demultiplexer 10 and an inserted smart card 14a for selectively outputting a transport stream belonging to a selected single program and management information (e.g., PSI). Decrypt the payload data of the transport packets output from the demultiplexer 10 using a decryption cipher. A parser 11 for classifying and outputting transport packets of the transport streams applied from the CAS unit 14 and the demultiplexer 10 or the CAS unit 14 according to types of video and audio. And a buffer memory 12 in which PES packets for each type output through the parser 11 and the like are divided into respective streams and temporarily stored therein, and decoded data divided by regions stored in the buffer memory 12, respectively. A decoder 15 for restoring and outputting the original AV (video and audio) signal, a screen signal generator 18 for generating a video signal for a character, a symbol, a graphic symbol, or the like, and matching the video signal to a set screen configuration. A mixer 19 for synthesizing and outputting the control unit, and controlling the operation of each of the components so that one or more broadcast signals selected according to a user's request and / or set conditions are output on the screen; It is comprised including the control part 20 which diagnoses each said structural means when needed. The control unit 20 has a system memory 20a in which information for a control operation and / or setting environment and the like is stored, and image data indicating a result of diagnosis and the like is stored in advance. It includes firmware (firmware) for the various operations described in the form of selectively executable.

The operation of normally receiving and outputting a broadcast signal by the apparatus of FIG. 1 will be briefly described. When the user selects a channel to watch a specific broadcast program, the controller 20 causes the broadcast signal corresponding to the channel (or repeater) designated by the user to be tuned. According to the tuning command, the signal demodulator 9 controls to tune an RF signal corresponding to a designated channel (or repeater) in a signal band received through the connected RF signal line 1, and the demultiplexer 10 ) Video, audio and / or text data belonging to one program (corresponding to a designated subchannel if there are a plurality of programs) in the digital stream output from the signal demodulator 9 according to the tuning control. Selectively output the transport stream to transport. Evidence information for the demultiplexer 10 to selectively output only a transport stream corresponding to one program in the digital stream is program specification information (obtained and transmitted in a corresponding tuning channel before the output of the transport stream). A transport packet ID, i.e., PID, identified from PSI: Program Specific Information (PAT, PMT, etc.).

The parser 11 removes the header of each transport packet, collects only payload data, and forms a packetized elementary stream (PES) packet on the buffer memory 12 for the received transport packets. The header information of the configured PES packet is classified into types (eg, video, audio, or data) on the buffer memory 12. The decoder 15 applies PES packets sequentially stored in the buffer memory 12 to the corresponding internal decoding module according to the type thereof, and decodes and outputs the video and audio signals.

And, if the currently tuned channel is a paid channel (for example, if there is data (CAT data) of a packet of PID = 1 in the program specification information (PSI)), the CAS unit 14 Requires descrambling. The CAS unit 14 is obtained in accordance with the designation of PIDs sequentially identified from the program specification information (in this process, the control unit 20 instructs the demultiplexer 10 to demux the corresponding PID packets. ) The contents of the Entitlement Management Message (EMM) and Entitlement Control Message (ECM) streams are transmitted to the attached smart card 14a, and a control word for decoding is received from the smart card 14a. do. The payload of the packets output from the demultiplexer 10 is decoded and applied to the parser 11 using the received control word. After that, as described above, the encrypted broadcast channel program is displayed to the user.

As described above, when the apparatus of FIG. 1 operates normally, the apparatus includes a signal processor (signal demodulator 9, demultiplexer 10, parser 11, and decoder 15)-CAS unit 14 ) Is optionally included. The paid or free broadcast program of the channel (or repeater) selected by the user is visually and audibly presented to the user according to the operation described above.

Meanwhile, the configuration illustrated in FIG. 1 may be integrated with a TV or may be configured in the form of a device added to a computer or a notebook. In addition, the apparatus of FIG. 1 may be a computer or a device that performs the functions described below by being equipped with appropriate hardware and by executing the appropriate software. In addition, the controller 20 receives a request from the user through a normal user interface, for example, a keypad, a remote controller, a touch pad, and the like, and if necessary, controls the screen signal generator 18 to control the request. The video signal for guiding the response is output. The output video signal is visually represented by an electronic device having a normal screen output function, for example, a TV, a monitor, or the like.

Hereinafter, embodiments of performing an error diagnosis and displaying the result of the device according to the present invention will be described in detail. 2A and 2B are examples of flowcharts of a method for diagnosing and displaying an abnormality of a device according to an embodiment of the present invention, and FIG. 2A illustrates an operation according to an embodiment of the present invention performed by the apparatus of FIG. 1. And in detail in parallel with the flow chart illustrated in 2b.

In the following description, although specifically described with reference to the digital broadcast receiver of Figure 1, the principle of the present invention is not limited to the general name of the device, any device having a function of processing the video content and outputting the video signal or its function It can be applied to any device equipped with the software to perform the operation.

The control unit 20 performs a self-diagnosis function when a specific condition, for example, when operating power is applied, upon a special request from a user. For example, whether each of the components is operating normally through an inquiry about a signal, a state, and the like that can be detected by each of the components, or the application and response of the test data, or a signal line combined before and after the components; It is determined whether it is normal or whether the quality of the signal currently being processed is within an appropriate condition. The following are some examples that the control unit 20 performs for diagnosis. However, the concepts and principles of the present invention are not limited to some of the examples exemplified below, and even if abnormality is confirmed to or through the constituents which are not illustrated below, the diagnosis of any constituent means is not intended. If the notification to the user and / or action items according to the abnormal state or operation abnormality confirmed through the same principle or the same scope as described below, it should be considered as belonging to the present invention.

In the self-diagnosis, the diagnosis is performed one by one according to a predetermined order for each component (the term of the component means also means a coupling means such as a physical signal line or a contact for transmitting and receiving signals.) S21-> S22-> S23-> S24 of FIG. 2A. When the signal demodulator 9 is a diagnosis target in sequence, the controller 20 requests a value of a BER (Bit Error Rate) being evaluated for a signal output by the signal demodulator 9 to be tuned and output. Receive and determine which range the received BER value belongs to. For example, it is determined whether the BER value falls within a range below the appropriate value, the appropriate value to the limited value, and the limit value or more. If it is less than the BER value, it is determined to be normal, otherwise, depending on the range of the connected signal line, it is determined as "fastening instability" or "disconnected", so that the guide image is output accordingly (S25). To this end, the control unit 20 reads the image data associated with "fastening instability" or "disconnection" from the system memory 20a and applies it to the decoder 15, thereby obtaining data from the currently tuned channel. In addition to decoding for the stream, it is output as a video signal 23a through a separate decoding. The image data may be a still image or a moving image. In the case of a still image, the image may not be decoded through the decoder 15 but may be directly decoded by the still image decoding module included in the controller 20 and output as an image 23b. At this time, the screen configuration for guiding the diagnosis result is set in the mixer 19 under the control of the controller 20.

An example of the diagnosis guide image output when it is determined as “disconnected” is illustrated in FIG. 3A. When explaining the illustrated diagnosis result guide screen in more detail, the diagnosis result guide screen is composed of an expected screen window 31 by the diagnosis and an actual viewing screen window 32, and each window has an abnormality found by the diagnosis. An image in real time that the decoder 15 decodes and outputs an image, which is expected to be output on a screen, and a program data received from a channel tuned by the current state of the apparatus of FIG. Although it may not be displayed, the term “image” is used to include such a blank screen, respectively. The abnormal image output to the predicted screen window 31 by the diagnosis is based on image data stored in association with "disconnect" in the system memory 20a. In the case of “disconnected”, since no signal is received at all, the output image by the image data of the stored abnormal image is black blank as illustrated in FIG. 3A. If the "disconnected" determined by the diagnosis is actually correct, since there is no image data applied to the decoder 15, the screen of the window 32 actually viewed by the user will likewise be black blank. However, since the determination of the controller 20 according to the diagnosis result and the actual state of the device may be different, the image of the actual viewing screen window 32 is necessarily the same as the image of the expected screen window by diagnosis or the same phenomenon. It may not be. This will be described later.

The diagnostic result guide screen also outputs a guide phrase 33 for inquiring whether the images of the two windows 31 and 32 are the same or the image is caused by the same phenomenon. If the user inputs a choice that the user agrees or disagrees with the phrase, the control unit 20 performs the subsequent operation accordingly.

In the above-described determination, if it is determined as "fastening instability", the control unit 20 reads out the image data stored in association with the "fastening instability" from the system memory 20a and outputs it on the diagnosis result guide screen. do. Figure 3b shows an example of the diagnostic result guide screen that is output at this time. The image of each of the illustrated windows 34 and 35 includes broken blocks because the signal blocks are partially decoded due to partial signal loss, and the front and rear pictures are partially mixed. As mentioned in the above example, the image of the actual viewing screen window 35 may be an image of a phenomenon different from that of the expected screen window 34 by diagnosis on the left side.

As another example of diagnosis, the controller 20 may inquire whether the smart card is installed or whether the smart card key is normal from the CAS unit 14 to be notified of the result. In addition to the diagnosis of the smart card, it may be selectively performed only if the currently tuned channel is a paid channel. If the result notified from the CAS unit 14 is a smart card non-recognition or a key abnormality, the control unit 20 reads the image data on the system memory 20a associated with the diagnosis state in the same manner as described above. Configure and output the diagnosis result guide screen. Figure 3c shows an example of the diagnostic result guide screen that is output at this time. When the smart card is not mounted or when the card key of the mounted card is abnormal, since the payload data of the currently scrambled and received packet is not decoded, a normal image cannot be constructed from the received packets. Therefore, the image of the screen window 36 expected according to the diagnosed state is black blank, and if the actual smart card state is the same as the diagnosed state, the image of the actual viewing screen window 37 will be black blank as well. .

As another example of diagnosis, the controller 20 receives a value of an image signal output from the decoder 15, for example, a signal of Y / PB / PR or R / G / B and averages the value. By evaluating and checking whether there is no problem with each signal component, it is determined whether the decoder 15 is abnormal. For example, if the average value of a specific signal component is less than or equal to a predetermined threshold value, image data on the system memory 20a associated with the diagnosis state at that time is read, and a diagnosis result guide screen is configured and output in the manner described above. do. 3D illustrates an example of a diagnosis result guide screen output at this time, when an average value of signal components corresponding to YB or B is less than or equal to a predetermined threshold value. If the diagnosis of the control unit 20 is correct, the screen of the window 39 actually viewed by the user may also be an image in which yellow color is displayed as a whole, such as the predicted image 38 by the pre-stored and provided diagnosis.

In addition to the above-described examples, a diagnosis of other constituent means is also performed, and the data of the abnormal image corresponding to the element determined to be abnormal according to the diagnosis result is output of the real-time image output by the actual tuning / decoding operation as described above. It is displayed on the diagnosis result guide screen together with the screen window.

As in the above-described examples, it may be easily recognized that there is a problem in the real-time image that the user is currently watching from the diagnosis result guide screen provided according to the diagnosis result. You may not be able to recognize if there is a particular problem with your screen. Accordingly, in another embodiment according to the present invention, as shown in FIG. 3E, the normalized image 38b of the output predicted image 38a is provided together with the output predicted image 38a due to the abnormal diagnosis. In this way, by outputting the normal image with respect to the output image as well, the user understands what point of the image to pay attention by comparing the two images 38a, 38b, and also in the image of the actual viewing screen window 39a You will carefully check if this is happening. For example, in the example of FIG. 3E, it is noted that the image of the "Expected Output Screen by Diagnosis" window 38a is generally yellow compared to the image displayed on the "Image at normal output" window 38b. We will carefully look at whether yellow is also present in the image of the viewing screen window 39a.

If the user sees the diagnosis result guide screen provided in the same manner as described above, and the image of the actual viewing screen window is the same as the image of the expected output window of the diagnosis or is caused by the same phenomenon, Yes ”(ie, agree). Accordingly, the control unit 20 corresponds to the diagnosed abnormality (RF signal line disconnection, RF signal line tightening instability, smart card not installed, decoder error, etc.) that outputs the diagnosis result guide screen (output abnormality image and the like). Output the video notifying the measures stored in association (S27). The image informing the action is also stored in the system memory 20a in association with the abnormal image data stored to display the image abnormality, and may be a still image, a moving image, a dynamic image, or a flash image. have.

For example, when the diagnosis abnormality is the RF signal line disconnection, when the user inputs "Yes" in the diagnosis result guide screen of FIG. 3A, as illustrated in FIG. 4A, the user may take to solve the abnormal state. Visually express the action items on the screen sequentially or repeatedly. The screen output for guiding the action includes an image or video for visually guiding how the condition (or what object) of the device should be guided by a prompt 41 to allow the user to take appropriate action according to the guided screen. (42a, 42b) are included. If it is not possible to include all of the images or images visually indicating that to be taken sequentially on a single screen, the next guide screen may be configured and output at 43 when the user selects it.

In one embodiment according to the present invention, as illustrated in FIG. 4B, information (45) indicating a corresponding part of the instruction manual in the form of a booklet provided with the device, which specifically describes the matters to be taken for the above problem. ) Is also displayed on the screen to guide the action. In addition, in order to allow a user to view a corresponding part of the instruction manual through the screen of the video device, electronic data on the instruction manual is also stored in the system memory 20a. Accordingly, a selection menu item 46, such as a button for requesting the electronic user manual view, is also configured on the screen for guiding the action so that the screen is additionally overlayed on the screen. When the menu item 46 is requested, the controller 20 reads an image or text of the corresponding page of the electronic manual from the system memory 20a and outputs the image or text on the screen.

In the above-described embodiments, the item for user input or selection displayed on the diagnosis result guide screen or the action guide screen of the abnormal state ('Y', 'N' in FIGS. 3A to 3E, and “previous” in FIGS. 4A to 4B). ”,“ OK ”,“ Next ”, and“ view ”items) are generated and output by the screen signal generator 18 under the control of the controller 20. In addition, it is determined whether a menu item for input / selection should be output on the screen together with the image in the expected image data output by the diagnosis stored in the system memory 20a or the image data for the action guide screen in an abnormal state. The information on the information is also stored in association so that the control unit 20 causes the screen signal generator 18 to configure the corresponding input / selection item and output the same.

As another example, when the diagnosis abnormality is not equipped with a smart card, when the user inputs “Yes” in the diagnosis result guide screen of FIG. 3C (S26), as illustrated in FIG. 4C, the user takes to solve the abnormality. The video that visually expresses the measures can be displayed sequentially or repeatedly on the screen (S27). At this time, as in the above-described example, in addition to the image showing the abnormal state and the state to be corrected, the phrase 47a for guiding the action, the instruction manual part guide 47b to be referred to, and the corresponding part of the instruction manual The display of the input / selection menu item 47c for the screen display may also be performed.

As another example, when it is determined that the decoder 15 is abnormal, when the user inputs "Yes" in the diagnosis result guide screen of FIG. 3D or 3E (S26), the abnormality is illustrated in FIG. 4D. In order to solve the problem, a visual representation of an action that a user can take is displayed sequentially or repeatedly on the screen (S27). At this time, in addition to the images 48a and 48b indicating or explaining the state to be corrected, the phrase 48c for guiding the action, a detailed description of the functions of the parts diagnosed above, and the measures (such as replacement) In addition, the instruction manual part guide 49a, which can be referred to, and the display of the menu item 49b for input / selection for the screen display of the corresponding part of the instruction manual may also be provided.

On the other hand, as described above, in the diagnostic result guide screen that the control unit 20 diagnoses and provides according to the result, the user is different from the image of the two screens (output expected screen by the diagnosis and the actual viewing screen) Or it may be determined that it is not caused by the same phenomenon. At this time, if the user selects "No" in the guide screen (S26) (ie, if not agreed), the control unit 20 outputs the expected output images due to abnormal diagnosis stored in the system memory 20a. The video abnormality determination operation is performed so that the user can sequentially determine the output expected video having the same or the same phenomenon as the current viewing screen (S28). Of course, when the user selects "previous" in the diagnosis result guide screen (S26-1), the user returns to the previous step of outputting the diagnosis result guide screen. In other words, the next construction means is diagnosed in sequence. Alternatively, it may deviate from the diagnostic operation.

2B illustrates a process performed by the video abnormality determining operation, and the controller 20 selects a first image from output predicted images by abnormal diagnosis stored in the system memory 20a (S281). The image is output to the abnormal image window 51 on the image comparison screen as illustrated in FIG. 5 (S282), and the output image is the same or identical to the real-time image of the actual viewing screen window 52. The phrase 53 for inquiring whether or not the image is also output. If the user determines to be the same and selects "YES" 54a (S283) (that is, if the user agrees), the control unit 20 measures the action associated with the abnormal image output to the abnormal image window 51. The informed image is output in the manner as illustrated in FIGS. 4A to 4D (S284). If the user selects “No” 54b (ie, disagrees), and if the abnormal output image is not the last expected image (S285), the controller 20 controls the system memory 20a. The next image is selected from the output prediction images stored in the diagnosis (S286), so that the image is output to the abnormal image window 51 (S282), and the user is confirmed (S283). This method proceeds to the last expected output image stored in the system memory 20a as long as the user inputs a "no" 54b (S285). During this process, if the user requests "stop" 54c (S283-1), the controller 20 stops the video abnormality determination operation and returns to the state before entering the video abnormality determination operation. Accordingly, all operations related to the diagnosis may be terminated, and a general tuning channel image output operation may be performed.

In one embodiment according to the present invention, both the self-diagnosis process of FIG. 2A and the image abnormality determination process of FIG. 2B may be selectively performed at an arbitrary time point at the request of the user. As illustrated in FIG. 6, when there is a user's diagnostic request (S61), the controller 20 provides a menu requesting the user to select a diagnosis type through the screen signal generator 18. If one of "diagnosis" and "image comparison diagnosis" is selected (S62), the corresponding process is performed according to the selection. That is, when "self-diagnosis" is selected, the self-diagnosis process illustrated in FIG. 2A is performed (S63). When "image comparison diagnosis" is selected, the image abnormality determination process illustrated in FIG. 2B is performed (S64). .

On the other hand, the present invention is not limited to the above-described typical preferred embodiments, but can be carried out in various ways without departing from the spirit and the subject matter of the present invention in various ways that can be carried out in the art Those of ordinary skill can easily understand. If such improvement, change, substitution or addition is carried out within the scope of the appended claims, the technical spirit should also be regarded as belonging to the present invention.

9: signal demodulator 10: demultiplexer
11: parser 12: buffer memory
13: hard disk 14: CAS department
14a: smart card 15: decoder
18: Signal Generator 19: Mixer
20: control unit 20a: system memory

Claims (19)

In the method for providing a diagnostic result of the device,
Checking whether at least one of the constituent means of the device is abnormal;
If it is confirmed as above, the step of outputting the diagnostic result guide screen displaying the pre-stored image and the real-time image obtained through the signal processing of the device for the actual received signal is output by the above;
And outputting an abnormal state action guide image stored in association with the output expected image according to a user's selection. The method of claim 1,
And the text information for inquiring whether the output prediction image and the real-time image are the same or the image by the same phenomenon. The method of claim 1,
The output diagnosis result guide screen, in relation to the output expected image, is also included in the normal image that is displayed when the normal output on the screen. The method of claim 1,
The abnormal state action guide image may include image, image, or text information for visually guiding what state or what object of the device should be taken. The method of claim 4, wherein
The abnormal state action guide image further includes information informing the corresponding part of the instruction manual, which describes matters to be corrected for the abnormality. The method of claim 4, wherein
The step of outputting the abnormal state action guide image further outputs by configuring a menu item to allow a user to output a portion of the electronic user manual explaining the matters to be corrected for the abnormality as an image signal. How to do. The method of claim 1,
According to the user's request, the pre-stored images that are expected to be output by each abnormality are sequentially output together with the real-time image obtained through the signal processing of the device for the actual received signal, and the sequential output thereof. If there is a user's specific selection during the operation, the step further comprises the step of outputting the abnormal state action guide image stored in association with the pre-stored output prediction image output at that time. The method of claim 7, wherein
The request of the user is made by selection on the diagnosis result guide screen. The method of claim 7, wherein
The request of the user is made by selection on a diagnostic menu provided in accordance with the user's diagnostic request. In the device for receiving and outputting a video signal,
A signal processor configured as a plurality of constituent means connected to each other for converting the video signal from the outside into a signal that can be displayed by the display device;
A storage unit for storing at least one of the plurality of constituent means in association with and storing an abnormal image and an abnormal state action guide image expected to be output by an abnormal state identified by the constituent means;
If at least one of the plurality of constituent means is confirmed whether the abnormal state is confirmed, the abnormal image stored in the storage unit associated with the abnormal state and the signal processing of the signal processing unit for the actual received signal The diagnostic result guide screen displaying the real-time image obtained through the display is outputted, and according to the user's selection on the guide screen, the abnormal state action guide image stored in association with the abnormal image is outputted. The apparatus is configured to include a control unit configured to perform a process of. The method of claim 10,
The control unit may further output text information on the diagnosis result guide screen inquiring whether the abnormal image and the real-time image is the same or the image by the same phenomenon. The method of claim 10,
The storage unit stores the normal image represented in the case of being normally output on the screen in relation to the abnormal image in association with the abnormal image,
The control unit is further configured to further output the normal image on the diagnosis result guide screen. The method of claim 10,
The abnormal state action guide image includes an image, image, or text information that visually guides how to deal with a certain state or an object of the device. The method of claim 13,
The abnormal state action guide image, the device further comprising information informing the corresponding part of the instruction manual, which describes the matters to be corrected for the abnormality. The method of claim 13,
The storage unit further stores the electronic data for the instruction manual,
The controller may further include a menu item configured to output an abnormal state action guide image so that a user may request to output a portion of the electronic manual, which describes matters to be corrected for the abnormality, as a video signal. Device. The method of claim 10,
The controller may be configured to sequentially output the abnormal images stored in the storage unit together with the real-time image according to a user's request. And perform a process of outputting the abnormal state action guide image stored in association with the output abnormal image. 17. The method of claim 16,
The request of the user is made by selection on the diagnosis result guide screen. 17. The method of claim 16,
The request of the user is made by selection on a diagnostic menu provided in accordance with the diagnostic request of the user. The method of claim 10,
And the control unit is configured to output a diagnosis menu according to a diagnosis request of a user, and to perform the series of processes according to selection on the diagnosis menu.

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