KR0181810B1 - Service mode showing method in vcr system - Google Patents

Abstract

The present invention relates to a method of using a service mode related to various set check / repair, which is mounted in a set of a VSI system, and in the related art, when a user checks / repairs a set in such a system, the operator is provided with various test equipment. Those that could not be inspected or repaired at the site where the service was requested were transported to the factory and carried out inspection / repair, which made the set of inspection / repair very uncomfortable and caused poor after-sales service.

The present invention is provided with a service mode guidance display program 100 for utilizing the service mode to improve the conventional problem, which is to allow only the service worker to enter the service mode provided in the set Checking whether there is an encryption key combination input and outputting the service mode screen if the encryption key combinations match, and checking whether the selected item among the plurality of items set in this service mode is in repair mode, and in case of repair mode, A visual system comprising all of the steps of displaying, and checking whether the data is in the Y-Pyrom data mode instead of the repair mode. Provides the service mode indication method The.

Description

How to display the service mode guide in VSI system

The present invention relates to a service mode guide display method for guiding and displaying the contents necessary when an after-service worker performs after-sales service in a VSI system having an OSD function. It is equipped in the set so that the service operator can accomplish the screen interactively when performing the set repair and characteristic check.

VSI has a function to record video signals provided from various regular broadcast video programs or external video sources on a tape, or to provide a playback video screen through a TV receiver. The form is shown as FIG.

Here, the supply reel SR which supplies the tape TP wound on the cassette CST to the video head drum HD side and the take-up reel TR which winds from the video head drum HD side to the cassette CST side. A sistine lamp CS which is provided between and detects time / species information related to the running of the tape TP, and a supply reel that optically works with the sistine lamp CS. The end sensor ES on the SR side and the start sensor SS on the take-up reel TR side are provided.

In addition, the system includes a feed side tension post (TEP), a full width erase head (EH), and a feed side loading post (SGR) that guide the tape (TP) from the cassette (CST) to the head drum (HD) when the tape (TP) is loaded. SP, sensory side loading post (TSP), audio / control head (ACH), pinch roller (PR), capstan (CPS) and more.

In this system, the deck portion 4 including the mechanisms of various drive systems and the circuit board portion 3 including the system microcomputer 5 of FIG. 2 is disposed under the deck portion 12. Cam data generated by the cam mode switch (CAM) 41 of the deck portion 4 was transferred to the microcomputer 5 side to perform a predetermined mode operation.

In FIG. 2, the cam data input state is recognized by the microcomputer 5 and displayed on the display unit 53 such as a digitron through a timer unit 51 and a digitron driver 52. .

In addition, in the above system, when a customer requests an after-sales service because the customer has an abnormal set, the service worker visits the site and checks the abnormal state of the set. It was to carry out the inspection and test with the coupling tool.

In addition, the items that can be inspected / repaired by the worker as described above are extremely limited, so if it is difficult to detect a set abnormality while performing such repair / inspection work, the set is brought to the factory for comprehensive diagnosis. Was to find and solve.

However, the conventional after-sales service method described above has been difficult to solve in the field by a service worker because of a complicated set of functions and various functions, and on the other hand, for repair and inspection of the set, It was not desirable to carry out the troublesome process of moving the plant from the field to the factory or bringing the repaired set back to the site, which would reduce the efficiency of such work and increase the expense of the unit.

Meanwhile, in the related art related to the present invention, a screen interactive function selection means through OSD is known, which performs the following operations.

As an example, the form of screen interactive reservation recording in such a system is shown as follows.

Function Selection 1. Custom Clock 2. Reservation recording / cancellation 3. Channel Customization 4. Tape Selection (Tape Remaining Time) 5. Other Functions 1 to 5 Selection Function Selection End

Through the screen as described above, the user selects a corresponding function and performs a setting / modification operation.

The purpose of the present invention is to interactively screen out where the after-sales service worker directly has trouble in the field by equipping the set with work contents such as troubleshooting or inspection / testing of the VSI system to improve the above problems. It is easy to see.

In particular, the present invention checks whether there is a cipher key combination input allowing only a service worker to enter a service mode provided in the set, so that the system can implement the object of the above example, and outputting a service mode screen if the cipher key combinations match. In the repair mode, if the selected item is selected from among the plurality of items set in the service mode, and if the repair mode is selected, then the Yield data is changed by checking whether the repair-related surrender is performed. In the case of the mode, the service mode guide display method is characterized in the VSI system including the steps of displaying the items related to the Y-pyrom data mode.

Hereinafter, more specific features of the present invention will be understood by describing the same in detail with the accompanying drawings.

1 is a reference diagram showing the installation state of the deck portion and the main circuit board of a typical VCR (Video Cassette Recorder)

2 is a reference diagram showing a connection state between the deck side and the system control circuit in FIG.

3 is a system main circuit block diagram of the present invention;

Figure 4 is an embodiment showing a service mode guide display program according to the present invention

* Explanation of symbols on the main parts of the drawings

14: OSD. 15. Microcomputer

16: EEPROM 100: Service Mode Display Program

That is, FIG. 3 shows a system circuit block related to the present invention.

Here, the tuner and PEL part 12 to which the antenna 11 is connected, the video / audio processor 13 connected to the rear end of the tuner and PEL part 12 to process the video signal and the audio signal, and this video / OS 14, which is connected to the rear end of the audio processing unit 13 and generates an OS signal, a microcomputer 15 for system control, a key input unit 16, and various system programs and data are stored. It consists of the structure containing Y pyrom 17 and the like.

On the other hand, the system is provided with a service mode guide display program 100 of FIG.

The service mode guide display program 100 checks whether there is an input of the encryption key combination allowing only a service worker to enter the service mode provided in the set, and outputs the service mode screen when the encryption key combinations match. In the repair mode, if the selected item is selected from among the plurality of items set in the repair mode, the display unit displays the yield related to the repair. And displaying the items related to the Ipyrom data mode.

More specifically, it is checked whether there is a cipher key combination input allowing only a service worker to enter the service mode provided in the set (step 101). If the cipher key combinations match, the service mode screen is output (step 102). It is checked whether the item selected from the plurality of items set in this service mode is the repair mode (step 103), and if it is the repair mode, the yield related to the repair is displayed (step 104). If it is checked (step 105), the items related to the ypyrom data mode are displayed in the case of the ypyrom data changing mode (step 106).

Then, in the easy data change mode, the user checks whether the item is in the function option mode (step 107), and if it is a function option, outputs the function option screen (step 108), otherwise checks whether the drum sebum data change mode ( Step 109), if the drum sebum data changing mode is displayed, the drum sebum data changing mode screen is output (step 110); when the drum sebum data changing mode is not present, the video characteristic changing mode 1 is checked (step 111) and the video characteristic changing mode is checked. If 1, the video characteristic change mode 1 screen is output (step 112).

The system then checks whether the video characteristic change mode 2 is applied when the video characteristic change mode is not 1 (step 113), and outputs the video characteristic change mode 2 screen in the video characteristic change mode 2 (step 114). If not 2, the video characteristic change mode 3 is checked (step 115). In the video characteristic change mode 3, the video characteristic change mode 3 screen is output (step 116).

According to the present invention of the method, when a user of the VSI system fails and requests after-sales service, the service worker can check / test the abnormality of the system while watching the screen interactive OSD screen in the field.

At this time, as shown in Figs. 3 and 4, when a user inputs an encryption key combination (for example, a ten-key number combination on the remote control transmitter) that only a service worker knows while power is supplied to the VSI system, a service mode screen appears and is set on the screen. At the time of surrender, one can check / test or change the characteristics.

That is, the contents of the service mode screen as described above are displayed as follows.

Service mode 1. Service mode for repair 2. EPROM data change mode 3. Return 1 to 3 Select end of selection function

When the user presses 2 when looking at the screen above

EPROM data change mode 1. Function Option Mode 2. Drum Fiji Data Change Mode 3. Video Character Change Mode 14. Video Character Change Mode 25. Video Character Change Mode 36. Return 1 to 6 Selection Function End

When the user selects the function option mode on the screen

Function Option Mode 1. Band Selection 2. Drum Selection 3. 2 Select SCART 4. VPS / PDC Selection 5. Return 1 to 5 Select end of selection function

Is displayed, the menu screen for changing drum sebum data appears when the user presses 2, and when the user presses 3

Video Character Change Mode 11. Y / C delay time screen 2. YNR Level Selection Screen 3. N.L level selection screen 4. NC1 / Detail selection screen 5. REC-EQ low pass filter attenuation screen 6. Return 1 to 6 Select end of selection function

When the screen above appears and the user selects 4

Video Character Change Mode 21. Picture Control Screen 12. Picture Control Screen 23. Video Picking Level Screen 4. NC2 level control screen 5. AGC On / Off Control Screen 6. Return 1 to 6 Select end of selection function

Appears and the user selects 5

Video Character Change Mode 31. REC-C level control screen 2. REC-FM level control screen 3. PB-EQ Carrier Frequency Screen 4. PB-EQ Trap Frequency Change Screen 5. PB-EQ Picking Level Screen 6. Return 1 to 6 Select end of selection function

Will appear.

Therefore, the operator can easily find and check the matters to be checked by the worker, and can completely perform the operation in the field or the factory for the action necessary for the inspection and repair of the VSI set.

On the other hand, the above operation is performed by the microcomputer 12 together with the service mode guidance display program 100 of FIG. 4, which inputs an encryption key combination allowing only a service worker to enter the service mode provided in the set. If the encryption key combination matches, the service mode screen is displayed, and if the selected item among the plurality of items set in this service mode is the repair mode, the repair-related surrender is displayed. If it is not the mode, it is checked whether it is an ipyrom data changing mode, and in the case of the ipyrom data changing mode, items related to the ypyrom data mode are displayed (steps 101 to 106).

After that, the user checks whether the user is in the function option mode, and if it is a function option, the function option screen is displayed. Otherwise, it is checked in the drum sebum data change mode. The data change mode screen is output, and when the video characteristic change mode 1 is not checked, the video characteristic change mode 1 screen is outputted when the video characteristic change mode 1 is not checked (steps 107 to 112).

Then, the system checks whether the video characteristic change mode 2 is applied when the video characteristic change mode is not 1, and outputs the video characteristic change mode 2 screen when the video characteristic change mode 2 is displayed, and the video characteristic change mode when the video characteristic change mode 2 is not. 3 is checked, the video characteristic change mode 3 screen is output in the video characteristic change mode 3 (steps 113 to 116).

In the present invention, the after-sales service operator can perform various inspection and repair work through a screen interactive OSD screen in the field or factory by the service mode provided in the VSI set. There is a beneficial feature that can greatly reduce the labor of.

Claims (8)

In the processing method of performing a check / test of a set in a VSI system including a microcomputer 12, Y pyrom 17, OSD 14, etc., The system is provided with a service mode guide display program 100 for utilizing a service mode, which checks whether there is an encryption key combination input allowing only a service worker to enter a service mode provided in the set, and the encryption key combinations match. If it is in repair mode, displaying the yield related to repair, and changing EPI data not in repair mode. Checking whether the mode is in the mode of changing the EPYROM data, the method for displaying the service mode guide in the BSI system, characterized in that it comprises the step of displaying the items related to the data mode The service mode guide display program 100 checks whether there is an encryption key combination input for allowing only a service worker to enter the service mode provided in the set (step 101). The mode screen is output (step 102), and it is checked whether the item selected from the plurality of items set in this service mode is the repair mode (step 103). If the repair mode is displayed, the yield related to the repair is displayed (step 104). If it is not the mode, it is checked whether the data mode is easy or not (step 105), and in the case of the easy data mode, the items related to the easy data mode are displayed (step 106). Check whether the function option mode is selected (step 107), and if it is a function option, output the function option screen (step 108). If the mode is in the drum sebum data change mode (step 109), the drum sebum data change mode screen is output (step 110). 111) In the video characteristic change mode 1, the video characteristic change mode 1 screen is output (step 112). Then, when the video characteristic change mode 1 is not, the system checks whether the video characteristic change mode 2 is applied (step 113). In the characteristic change mode 2, the video characteristic change mode 2 screen is output (step 114). If the characteristic change mode is not 2, the video characteristic change mode 3 is checked (step 115). Characteristic change mode 3 Method of displaying the service mode guide in the VSI system, characterized by a series of processes for outputting the screen (step 116). The method of claim 2, wherein the screen content of the service mode is Service mode 1. Service mode for repair 2. EPROM data change mode 3. Return 1 to 3 Select end of selection function Service mode guide display method in the VSI system, characterized in that configured as described above The method of claim 2, wherein the EPI data change mode is EPROM data change mode 1. Function Option Mode 2. Drum Fiji Data Change Mode 3. Video Character Change Mode 14. Video Character Change Mode 25. Video Character Change Mode 36. Return 1 to 6 Selection Function End Service mode guide display method in the VSI system, characterized in that configured as described above The method of claim 2, wherein the function option mode is Function Option Mode 1. Band Selection 2. Drum Selection 3. 2 Select SCART 4. VPS / PDC Selection 5. Return 1 to 5 Select end of selection function Service mode guide display method in the VSI system, characterized in that made in the form as described above The screen of claim 2, wherein the video characteristic change mode 1 screen is Video Character Change Mode 11. Y / C delay time screen 2. YNR Level Selection Screen 3. N.L level selection screen 4. NC1 / Detail selection screen 5. REC-EQ low pass filter attenuation screen 6. Return 1 to 6 Select end of selection function Service mode guide display method in the VSI system, characterized in that made in the form as described above The screen of claim 2, wherein the screen of the video characteristic change mode 2 is Video Character Change Mode 21. Picture Control Screen 12. Picture Control Screen 23. Video Picking Level Screen 4. NC2 level control screen 5. AGC On / Off Control Screen 6. Return 1 to 6 Select end of selection function Service mode guide display method in the VSI system, characterized in that made in the form as described above The screen of claim 2, wherein the screen of the video characteristic change mode 3 is Video Character Change Mode 31. REC-C level control screen 2. REC-FM level control screen 3. PB-EQ Carrier Frequency Screen 4. PB-EQ Trap Frequency Change Screen 5. PB-EQ Picking Level Screen 6. Return 1 to 6 Select end of selection function Service mode guide display method in the VSI system, characterized in that formed as described above