JPH06178216A - Television receiver - Google Patents

Abstract

PURPOSE:To optimize a video characteristic of the television receiver in response to data reproduction from each CD-ROM without occurrence of a connection mistake and to execute the maintenance quickly and efficiently. CONSTITUTION:A broadcast signal from a broadcast station is received and a video signal VS is displayed on a CRT and an audio signal AS is outputted from a speaker in the television receiver, which is built in with a CD-ROM device 5 and various disk software sources are reproduced by replacing a disk 5a. Furthermore, since the CD-ROM device 5 is built in the television receiver, no connection trouble is caused and no connection mistake is occurred.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a removable CD suitable for use as online help during maintenance.
A television receiver equipped with a ROM device.

[0002]

2. Description of the Related Art Conventionally, there is known a CD-ROM device which optically reads and reproduces information recorded on a disc-shaped disc. As the information stored in the disc, binarized sound, video, or character data can be handled, and in recent years, attention has been paid to the large storage capacity, random access, and information durability.

The above CD-ROM device is usually provided with some input means, reproduces information according to an instruction input from the input means, and displays it on a general externally connected television receiver.

[0004]

As described above, in the conventional CD-ROM device, the television receiver is used as the display, and the connection between the CD-ROM device and the television receiver becomes complicated. , Connection error.
Also, a conventional CD- that is connected to an external TV receiver
ROM devices have had very limited interfaces such as composite or S-video interfaces. Further, there has been no color television receiver which is integrated with a CD-ROM device compatible with CD-DA, CDI and CD-XA and which can output stereo sound. Therefore, in recent years, in order to effectively use the CD-ROM device, it can be built in a color television receiver,
Moreover, it is desired to have a direct RGB interface as compared with the above interface.

Therefore, the present invention can optimize the image characteristics of the television receiver in accordance with the data reproduction of each CD-ROM without causing a connection error, and can perform the work quickly in maintenance. Moreover, it aims at providing the television receiver which can be performed efficiently.

[0006]

In order to achieve the above object, a television receiver according to the present invention receives a broadcast signal from a broadcasting station, displays a video signal on a CRT, and outputs an audio signal from a speaker. In a television receiver for outputting, an exchangeable disc on which information is recorded, a disc information loading unit that is loaded with the disc and reads the information recorded on the disc, and a disc information capturing unit that reads the information. And a control means for outputting information from the CRT or the speaker.

In this case, the contents of the service manual of the television receiver may be recorded on the disc according to a predetermined format. Further, the disc information taking-in means may be detachable from the main body as a separate body.

[0008]

According to the present invention, by receiving the broadcast signal from the broadcasting station, displaying the video signal on the CRT, and incorporating the disc information capturing means in the television receiver which outputs the audio signal from the speaker, By exchanging the disc, you can play various disc software. Further, since the television receiver has the disc information taking-in means built therein, the trouble of connection is eliminated and the connection error does not occur.

If the contents of the service manual for the television receiver are recorded on the disc, it is possible to display instructions for assisting the repair service. Also,
If the disc information fetching means is provided separately from the television receiver and is detachable, the manual can be referred to quickly and efficiently.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. FIG. 2 is a front view showing the appearance of the television receiver of the same embodiment. In FIG. 1, reference numeral 1 denotes an antenna, which receives a TV radio wave from a broadcasting station, and a tuner 2
Supply to. The tuner 2 selects the radio wave of the reception channel, frequency-converts it into an intermediate frequency signal IF, and supplies this to the intermediate frequency amplifier 3. The intermediate frequency amplifier 3 takes out the video signal VS, the audio signal AS and the like from the intermediate frequency signal IF and supplies them to the switching circuit 4.

Next, the CD-ROM device 5 is connected to the microprocessor 6 by a bidirectional control bus B, and the disc 5 is controlled under the control of the microprocessor 6.
Information is read from a. The bidirectional control bus B makes it possible to control the sound of the television receiver and the image processing under the control of the CD-ROM. When linked with special software, both video and audio special effects are possible. In addition, C for service personnel described later
D-ROM discs can be used, for example, to assist equipment repair services, such as allowing investigations and confirmation of their correct operation. Also, CD-
The video information VD from the ROM device 5 is directly supplied to the video processor 8 via the RGB interface.

Next, the switching circuit 4, under the control of the microprocessor 6, outputs the audio signal AS and the video signal V.
S is supplied to the audio processor 7 and the video processor 8, respectively. Further, the audio processor 7 performs basic processing such as distributing the audio signal AS into left and right audio signals, processing such as special effects, and outputs from the speakers 9, 9. The video processor 8 processes the video information VD from the CD-ROM device 5 supplied via the RGB interface and the video signal VS on the television receiver side, and outputs it to the CRT.

Next, in FIG. 2, the CRT is a CD-R.
It is suitable for the OM device 5, for example, a size of 20 to 29 inches. Speakers 9 and 9 are built in on the left and right sides of the CRT, respectively. Below the CRT, C
Disc tray 10 provided in the D-ROM device 5
And an infrared receiver 11 for the remote controller of the television receiver and the remote controller of the CD-ROM device.
Also, a connector 12 of the wired remote controller is provided.

According to the above-mentioned television receiver with the built-in CD-ROM device, since the RGB interface is directly provided between the CD-ROM device 5 and the video processor 8 of the television receiver, the cross color display can be realized. IMPROUE
S resolution is reduced. Moreover, since all connections with the television receiver are made internally, the user's labor is reduced and connection mistakes are eliminated.

Further, the image characteristics of the television receiver can be optimized for the format of each CD-ROM device so that the data of the built-in CD-ROM device 5 can be reproduced in the best condition. The same applies to audio data. Further, the bidirectional control bus B between the CD-ROM device 5 and the television receiver is used for the voice of the television receiver and the CD.
-Enables control of video processing under the control of the ROM device. Also, in conjunction with special software,
It enables special effects for both video and audio.

In addition, if, for example, the data necessary for the inspection for repair service personnel and the data for enabling the correct operation thereof are recorded on the disk 5a, the data can be recorded on the CRT. It can be used to assist the repair service of the television receiver by displaying it on. If karaoke CD software is used for the disc 5a, it can be used as an independent karaoke device by adding the microphone 13 shown in FIG. In this case, it is necessary to change the software of the audio processor.

In addition, the television receiver with the built-in CD-ROM device provides the user with a CD-DA (voice CD software), a CD-PHOT (photo CD software), a CD.
-Used as a playback device for XA (ROM CD software), CDI (interactive CD software), and karaoke CD software.

Next, a modification of the above-described embodiment will be described with reference to FIGS. 3 and 4. In this modification, the above-mentioned CD-ROM device 5 is interactive.
3 is a CD-ROM device (CDI device) and is detachable, and FIG. 3 is an external perspective view of the CD-ROM device. In the figure, on the back surface of the CD-ROM device 20, Y / C video signal output, composite video output,
Input / output terminal 21 for RGB video output, stereo audio output, etc.
Is provided. An LCD (liquid crystal) display 22 and an infrared receiver (or connector) 23 for a remote controller are provided on the front surface.

On the other hand, in the television receiver, as shown in FIG. 4, the insertion port 25 of the CD-ROM device is provided below the CRT.
Is provided. That is, when the above-mentioned CD-ROM device 20 is inserted into the insertion slot, the input / output terminal 21 provided on the back surface is fitted into the connector provided on the television receiver side.

According to the above-mentioned configuration, for example, the service manual CDI disc 20a in which the information normally included in the service manual and all the information included in all the service manuals are recorded is prepared. The service person carries the portable CD-ROM device 20 and the service manual CDI disk 20a. Then, at the time of repair service, a service person mounts the disc 20a in the CD-ROM device 20,
The CD-ROM device 20 is inserted into the insertion slot 25 of the television receiver. Next, select the desired manual from the top directory of the service disc.

When the service person inputs a command, a predetermined trouble shooting instruction (instruction) is given. In this way, trouble shooting technology (problem solving technology), methodology,
Tips and information explanations are accessed interactively, and CR
Displayed on T.

Therefore, the service person is
You no longer have to waste time researching and retrieving manuals. That is, as in the conventional case, the service person can refer to the manual quickly and efficiently. Alternatively, the software of the disk 20a may directly adjust the television receiver via the control bus between the television receiver and the CD-ROM device. The TV receiver is automatically checked for a failure, and the failure location is adjusted within a predetermined functional range. Further, by preparing predetermined software, it may be used as a video pattern generator and a test tone generator.

Thus, in this embodiment, all service manuals can be quickly accessed. It can also provide interactive online help. Specialized video test patterns and audio test tones can be provided if required or specified in the service information. That is, it is not necessary for each service person to always have a signal generator as specified in the service manual.

In the case of a specific TV receiver, C
The I ² C port of the D-ROM device is connected.

[0026]

According to the present invention, a broadcast signal from a broadcasting station is received, a video signal is displayed on a CRT, and
In a television receiver for outputting an audio signal from a speaker, a replaceable disc on which information is recorded, a disc information loading means for loading the disc on which the disc is mounted, and the disc information capturing device. Since the control means for outputting the information read by the plug-in means from the CRT or the speaker is provided, a connection error does not occur, and the video characteristics of the television receiver depend on the data reproduction of each CD-ROM. Can be optimized.

Further, the contents of the service manual of the television receiver are recorded on the disc in accordance with a predetermined format, or the disc information fetching means is made detachable, so that the maintenance can be performed easily. There is an effect that work can be performed quickly and efficiently.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a television receiver according to the present invention.

FIG. 2 is a perspective view showing an appearance of the television receiver of the embodiment.

FIG. 3 is a perspective view showing an appearance of a CD-ROM device according to a modified example of the invention.

FIG. 4 is a perspective view showing an appearance of a television receiver according to the modification.

[Explanation of symbols]

1 Antenna 2 Tuner 3 Intermediate Frequency Amplifier Circuit 4 Switching Circuit 5 CD-ROM Device (Disc Information Capture Means) 5a Disk 6 Microprocessor (Control Means) 7 Audio Processor 8 Video Processor 9,9 Speaker 10 Tray 11,23 Infrared Light Reception Device 12, 21 Connector 20 Portable CD-ROM device (disc information capturing means) 20a CDI disc 22 LCD 25 insertion port

Claims (3)

[Claims] 1. A television receiver, which receives a broadcast signal from a broadcasting station, displays a video signal on a CRT and outputs an audio signal from a speaker, and a replaceable disc on which information is recorded, A disc information loading unit for loading information recorded on the disc, and a control unit for outputting the information read by the disc information loading unit from the CRT or speaker. TV receiver to do. 2. The television receiver according to claim 1, wherein the disc has recorded therein the contents of a service manual of the television receiver according to a predetermined format. 3. The television receiver according to claim 1, wherein the disc information fetching means is configured as a separate body from the main body and is detachable.