CN106604021B - A kind of signal control method and equipment - Google Patents

A kind of signal control method and equipment Download PDF

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Publication number
CN106604021B
CN106604021B CN201610600843.4A CN201610600843A CN106604021B CN 106604021 B CN106604021 B CN 106604021B CN 201610600843 A CN201610600843 A CN 201610600843A CN 106604021 B CN106604021 B CN 106604021B
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interface
detection
data
display
remote control
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CN106604021A (en
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杨元成
郭登科
肖龙光
岳光生
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Hisense Visual Technology Co Ltd
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Qingdao Hisense Electronics Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00Diagnosis, testing or measuring for television systems or their details
    • H04N17/004Diagnosis, testing or measuring for television systems or their details for digital television systems

Abstract

The invention discloses a kind of signal control methods, indicate that master chip exports the first control signal that the circuit between the data-interface of display device and the detection interface of remote control circuit is connected to remote control circuit, master chip can receive the detection signal that detection device is sent by detection interface, when detecting that TV box accesses display device by data-interface, indicate the second control signal that master chip disconnects the circuit between the data-interface of display device and detection interface to remote control circuit output, master chip only receives the data-signal that TV box is sent by data-interface in this way.So as to enable manufacturer to fast implement the profession detection of display device, and signal interference will not be generated during consumer is using TV box, improve the usage experience of user.The invention also discloses a kind of display devices.

Description

A kind of signal control method and equipment
Technical field
The present invention relates to field of display technology, in particular to a kind of signal control method.The present invention also relates to one kind Display device.
Background technique
With the continuous development of display technology, separate type TV is since its customized advantage is increasingly by the weight of people Depending on.Separate type TV is that the display portion, signal processing, audio system of TV are separated, by video display terminal (VDT), TV host, television acoustics three parts composition.Consumer can according to need selection TV functions, display screen, sound system, distant The components such as device are controlled, so that the cost performance of TV is significantly promoted.
As a kind of tv product popular at present, the main feature of separate type TV is exactly that TV itself is only made For a kind of display device, a kind of transport protocol of each producer oneself definition has all been reserved in the display device.And other are general The common interfaces for SOC (System on Chip, the system level chip) scheme and TV that have depending on required for of being powered are all external Into TV box.TV box is a small-sized computing terminal equipment, passes through HDMI (High Definition Multimedia Interface, high-definition multimedia interface) or the technologies such as color difference line connect with separate type TV, in TV After being linked together between box and television set by the coffret defined, consumer can be obtained in diversified multimedia Appearance and information processing services.
The cost of the display screen of existing common TV itself occupies 80% or more of the tv product price, and mesh The technology innovation speed of preceding TV functions is very fast, and manufacturer will release new function at regular intervals, if consumer makes With the external box of Split type television, it is only necessary to the box of newest hardware configuration is replaced, thus not needing to replace entire electricity The upgrading of hardware configuration is realized depending on the basis of, this is also one of the reason of separate type TV is increasingly favored by consumer.
For the manufacturer for producing separate type TV, have in factory's testing process of the display device of separate type TV For the detection operation of the display performance of screen, since separate type TV does not have remote control in the case where not external tv box Receive capabilities, and in order to separate to save cost and reduction PCB (Printed Circuit Board, printed circuit board) area It is not also designed to generally receive the processor of remote signal on the mainboard of formula TV.Therefore, how to be used in consumer electric The profession detection that display device in separate type TV is realized under the premise of not generating signal interference during depending on box, becomes factory Quotient's technical problem urgently to be resolved.
Summary of the invention
The present invention provides a kind of signal control methods, to while improving the convenience of manufacturer's detection display device It avoids use to consumer from generating interference, both manufacturer is facilitated to examine in this way, also reduce production cost, more will not offset expense person Interference is generated using TV box.This method be applied to comprising master chip, remote control circuit display device in, the remote control circuit Equipped with the detection interface for being connect with detection device, comprising the following steps:
The master chip to the remote control circuit output make the display device data-interface and the detection interface it Between circuit conducting first control signal,
The master chip receives the detection signal that the detection device is sent by the detection interface;
When detecting that TV box accesses the display device by the data-interface, the master chip is to described distant The second control signal that control circuit output disconnects the circuit between the data-interface of the display device and the detection interface,
The master chip only receives the data-signal that the TV box is sent by the data-interface.
Preferably, the master chip is connect with the remote control circuit by data transmission channel, and the master chip passes through control Signal path processed controls the on-off of the data transmission channel, and the control signal path is with the data transmission channel by drawing Foot is connected with each other.Preferably, the first control signal is specially high level signal, and the master chip is defeated to the remote control circuit The first control signal that circuit between the data-interface for the display device of sening as an envoy to and the detection interface is connected, specifically:
High level signal is exported by the control signal path, so that the control signal path and the data are transmitted The potential difference of pin between channel is greater than zero.
Preferably, the second control signal is specially low level signal, and the master chip is exported to the remote control circuit The second control signal for disconnecting the circuit between the data-interface of the display device and the detection interface, specifically:
Low level signal is exported by the control signal path, so that the control signal path and the data are transmitted The potential difference of pin between channel is less than zero.
Preferably, the detection device is specially MCU remote control head, and the detection signal is remote control command, and the detection connects Mouth and the data-interface are I2C interface, further includes:
The remote control command is transmitted to the remote control circuit by I2C agreement.
Correspondingly, the invention also provides a kind of display device, including master chip, remote control circuit, the remote control circuit are set There is the detection interface for connecting with detection device, wherein the master chip further include:
Output module, the output of Xiang Suoshu remote control circuit make between the data-interface of the display device and the detection interface Circuit conducting first control signal, and detecting that TV box passes through the data-interface access display device When make that the circuit between the data-interface of the display device and the detection interface disconnects to remote control circuit output the Two control signals;
Receiving module, the detection signal sent for receiving the detection device by the detection interface, and in institute Stating output module makes the data-interface and the circuit detected between interface of the display device to remote control circuit output The data-signal that the TV box is sent by the data-interface is received after the second control signal of disconnection.
Preferably, the master chip is connect with the remote control circuit by data transmission channel, and the master chip passes through control Signal path processed controls the on-off of the data transmission channel, and the control signal path is with the data transmission channel by drawing Foot is connected with each other.
Preferably, the first control signal is specially high level signal, and the output module is defeated to the remote control circuit The first control signal that circuit between the data-interface for the display device of sening as an envoy to and the detection interface is connected, specifically:
High level signal is exported by the control signal path, so that the control signal path and the data are transmitted The potential difference of pin between channel is greater than zero.
Preferably, the second control signal is specially low level signal, and the output module is detecting TV box Make the data-interface of the display device when accessing the display device by the data-interface to remote control circuit output The second control signal that circuit between the detection interface disconnects, specifically:
Low level signal is exported by the control signal path, so that the control signal path and the data are transmitted The potential difference of pin between channel is less than zero.
Preferably, the detection device is specially MCU remote control head, and the detection signal is remote control command, and the detection connects Mouth and the data-interface are I2C interface, further includes:
The remote control command is transmitted to the remote control circuit by I2C agreement.
By the technical solution of application the application, instruction master chip makes the data-interface of display device to remote control circuit output The first control signal that circuit between the detection interface of remote control circuit is connected, master chip can receive detection device and pass through inspection Survey interface send detection signal, detect TV box by data-interface access display device when, indicate master chip to The second control signal that remote control circuit output disconnects the circuit between the data-interface of display device and detection interface, it is main in this way Chip only receives the data-signal that TV box is sent by data-interface.So as to enable manufacturer to fast implement display dress The profession detection set, and signal interference will not be generated during consumer is using TV box, improve making for user With experience.
Detailed description of the invention
Fig. 1 is a kind of flow diagram for signal control method that the application proposes;
A kind of structural schematic diagram for separation TV that Fig. 2 is proposed by the application specific embodiment;
A kind of partial circuit schematic diagram for remote control circuit that Fig. 3 A is proposed by the application specific embodiment;
A kind of partial circuit schematic diagram for remote control circuit that Fig. 3 B is proposed by the application specific embodiment;
Fig. 4 is a kind of structural schematic diagram for display device that the application proposes.
Specific embodiment
As stated in the background art, current separate type TV can only be as common display device, and separate type TV is not Do not have remote control reception function in the case where external tv box, thus also can not display content to the separate type TV carry out Control.In addition, TV box in the prior art is typically all to satisfy the needs of consumers to provide amusement function, there is presently no have The display device that the TV box of professional detection function can produce manufacturer carries out comprehensive detection.So in not external electricity In the case where box, manufacturer can only be recycled and remote control electricity by some other spare interface built-in remote-control circuit of TV The corresponding detection device in road is remotely controlled detection operation for separate type TV itself, undoubtedly increase in this way the detection of manufacturer at This, while deleterious effect also is brought to consumer's usage experience.
In order to solve the above technical problems, the invention proposes a kind of signal control methods, and by applying the program, manufacturer is only It can be realized at the external remote control head of interface of the separate type TV using technical solution of the present invention and produce separation under factory The complete detection of various functions is carried out when TV.Therefore, this method is suitable for inclusion in all displays dress of master chip, remote control circuit It sets, wherein master chip is to receive the viewdata signal of extraneous transmission and realize the core chips of display function (also referred to as FRC chip or TV chip), and remote control circuit is then for will be from the signal of TV box or from detection device Detection signal is transmitted to circuit necessary to master chip.Meanwhile in order to realize professional detection, the display device it is distant Control circuit is specially equipped with the detection interface for connecting with detection device, and manufacturer is subsequent direct when detecting to display device The cable that will test equipment is connect with detection interface.
Based on above description, the application propose a kind of signal control method flow diagram as shown in Figure 1, include with Lower step:
S101, the master chip connect the data-interface of the display device with the detection to remote control circuit output The first control signal of circuit conducting between mouthful;
S102, the master chip receive the detection signal that the detection device is sent by the detection interface.
When display device has just produced and finished and detected, TV box will not be accessed at this time, and It is that the detection interface of the Remote Control Interface that manufacturer will test equipment and display device is attached and transmits detection signal.For current For the mainboard of the display device of the overwhelming majority, the interface of all parts on mainboard is communicated by circuit, because The detection signal of data-signal transmitted by this TV box used in order to avoid consumer and detection device is in identical number According to communication contention aware occurs on transmission line, the present invention sends different signals of communication using master chip to control the number of display device According to the conducting of the circuit between interface and detection interface.
Under the general case for not accessing TV box, master chip exports first control signal to remote control circuit, this first Control signal can be such that the data-interface of display device is connected with the circuit detected between interface, and manufacturer utilizes detection when detecting Equipment sends detection signal to the detection interface of remote control circuit, which passes through remote control circuit and data-interface and detection Circuit transmission between interface is to master chip, and correspondingly, master chip can receive the inspection that detection device is sent by detection interface Survey signal.
As shown in Fig. 2, a kind of structural schematic diagram of the separation TV proposed by the application specific embodiment, existing point Major part from TV is exactly that the mainboard for separating TV and the display screen for separating TV, the mainboard for separating TV mainly use FRC chip solution, therefore FRC chip is also known as the master chip (TV chip) for separating TV.TV box completes signal After decoding, decoded signal is transferred to by separation TV motherboard, data-signal of the FRC chip to transmission by Hlink interface It is handled, and is shown by display screen.And in the case where not external tv box, separation TV itself is can not to produce Raw data-signal is simultaneously shown.Therefore in this specific embodiment, manufacturer uses separation electricity when examining mould group screen performance The interface access detection device (subsequent unification MCU remote control head refers in specification) reserved depending on remote control circuit in mainboard, this Sample had both facilitated manufacturer to test separation TV, nor can additionally increase the PCB surface product of separation TV motherboard, reduced Production cost.
Specifically, the remote control circuit partial circuit design drawing in Fig. 2 is as shown in Figure 3A, and wherein XS4 is separation TV motherboard Reserved MCU is remotely controlled head interface, which can be remotely controlled head device with the MCU of external adaptable interface, and MCU is remotely controlled what head was issued Remote control command is then the FRC chip for being transferred to remote control circuit by I2C agreement and handle and be further transferred to separation TV.
In order to realize the control of circuit, in a preferred embodiment of the present application, master chip and remote control circuit pass through number It is connected according to transmission channel.Master chip controls the on-off of the data transmission channel by controlling signal path.Further, it controls Signal path and data transmission channel are connected with each other by pin.On this basis, technical staff can be in unlike signal channel Pin between different electronic components is set, to the signal for further coordinating to be transmitted by each interface, being capable of base Under the premise of data-interface is realized in design of the invention and detects the conducting and cut-off between interface, it is set between pin can The protection scope of the application is belonged to the type (such as diode) of electronic component.
It is general when not accessed in TV box after applying technical solution proposed by the invention and carrying out above-mentioned setting When in logical situation, master chip is exported using high level signal as first control signal to the remote control circuit, i.e., master chip passes through It controls signal path and exports high level signal, the potential difference of the pin between control signal path and data transmission channel in this way is big In zero, allow detection signal normal through.
For in the specific circuit diagram shown in Fig. 3 B, in this specific embodiment, one co-exists in V48 and V49 Two switch elements, one of the two switch elements are for controlling I2C data-interface, in addition then for controlling I2C clock Interface.The I2C remote control command that MCU remote control head is issued will be incoming by V48, V49, and passes through the transmission of one end to the other end Mode extremely separates the FRC chip of TV.And TV box with separate TV connection after, TV box also can by interface with point From there are I2C communications between TV FRC chip, if the testing equipment for having MCU remote control head similar at this time will test signal and pass through When the corresponding interface input of either switch element among V49, V48, the signal of the detection signal and TV box will can not There is bad user experience during using separation TV so as to cause user in the generation signal conflict avoided.
Communication contention aware in order to prevent, in the specific embodiment using the FRC chip of separation TV by one it is exportable it is high, The delivery outlet (GPIO mouthfuls) of low level signal (is connected to control the state of the communication channel where two switch elements of V48, V49 Or cut-off): when GPIO mouthfuls of output high level signals, the data communication channel where V48 and V49 is in the conductive state;When When GPIO mouthfuls of output low level signals, the data communication channel where V48 and V49 is in off state.In other words, FRC core The data communication that piece can be controlled where V48, V49 by controlling the height for the level that network FRC_I2C_SEL is exported is logical Whether road is connected state, in this way it is prevented that TV box is remotely controlled the case where head uses I2C bus simultaneously with MCU and generates The situation of communication contention aware occurs.
The production firm of separation TV will carry out the detection of profession when each equipment is dispatched from the factory, in order to utilize MCU It is remotely controlled scalp acupuncture and professional detection is carried out to separation TV, in the specific embodiment of Fig. 3 B, MCU remote control head connecing by remote control circuit The I2C remote control command that mouth is passed to finally needs to be passed in the FRC chip of separation TV, in this way could be to separation TV Display content is controlled.Since detection technique personnel only access when screen of the factory to separation TV detects MCU remote control head (equipment that similar TV box will not be accessed simultaneously), so the control signal of the GPIO output of FRC chip at this time For high level signal (i.e. network FRC_I2C_SEL is high level signal).In this case, MCU is remotely controlled head to remote control circuit institute The detection signal (i.e. I2C order) of transmission will be incoming from the data communication channel interface where switch element V48, V49, and leads to 3 feet for crossing the transmission channel of response are transferred to 2 feet, eventually arrive at the FRC chip of separation display.In this process, each interface And its working principle of corresponding guidance is as follows:
2 feet, 3 feet of data communication channel corresponding to switch element V48, V49 are all connected to pull-up resistor, if FRC core What piece was exported by GPIO is high level signal, then 2 feet are also high level signal, such as if 3 feet will be high level signal 3 foot of fruit is transmission low level digital signal, and due to the diode action between 2 feet and 3 feet, 2 feet are clamped to low level signal, The potential difference of data communication channel at this time where switch element V48, V49 corresponding 1 foot and 2 feet is greater than 0, switch element Data transmission channel where V48 and V49 is in the conductive state, therefore the signal at 3 feet can smoothly be transferred to 2 Foot, so that the data transmission channel where two switch elements of V48 and V49 is in the conductive state, technical staff's energy Enough processes proposed through the above technical solution realize that I2C order transmitted by MCU remote control head can be transmitted and reach FRC chip End, is received and is handled by FRC chip.
For the realization effect being optimal, MOS (Metal-Oxide- can be selected in above-mentioned specific embodiment Semiconductor Field-Effect-Transistor, Metal-oxide-semicondutor type field-effect tube) Guan Zuowei V48, The switch elements such as V49, being mainly characterized by of metal-oxide-semiconductor have layer of silicon dioxide insulating layer between metal gates and channel, therefore With very high input resistance, belong to insulated-gate type.It should be noted that although the specific embodiment of the application is only connect with two Pin combination diode pair solution principle between mouthful is described, but those skilled in the art will can be somebody's turn to do on this basis Scheme is applied in the circuit with more interfaces or other electronic components, is believed by the low and high level that master chip exports Number difference come control detection interface and data-interface between signal transmission passage conducting and cut-off.Interface quantity and draw The difference of electronic component has no effect on protection scope of the present invention between foot.
S103, when detect TV box by the data-interface access the display device when, the master chip to The second control that the remote control circuit output disconnects the circuit between the data-interface of the display device and the detection interface Signal processed.
S104, the master chip only receive the data-signal that the TV box is sent by the data-interface.
By S101 and S102, manufacturer can be sent by detection device in the case where not external tv box and be detected Signal realizes the detection processing for display device.However consumer is after obtaining the display device, it is typically logical Access TV box is crossed to enjoy amusement video/audio function.Since remote control circuit is always that manufacturer is i.e. built-in in display device factory In the display device, therefore in order to avoid using the TV box period of the day from 11 p.m. to 1 a.m signal conflict is occurring for consumer, the present invention is being detected Second control signal is sent to the TV box period of the day from 11 p.m. to 1 a.m from master chip to remote control circuit, which can make display device Circuit between data-interface and detection interface disconnects, and such master chip only receives the number that TV box is sent by data-interface It is believed that number, if thering are detection device or other devices to send detection signal or other similar signal by detection interface at this time, These signals can all disconnect because of the circuit between data-interface and detection interface and can not reach master chip, will not be right User generates interference using TV box.
The case where not accessing with TV box is on the contrary, in a preferred embodiment of the present application, when detecting TV box Access, master chip i.e. using low level signal as second control signal to remote control circuit output.In order to make the number of display device It is disconnected according to the circuit between interface and detection interface, master chip exports low level signal, the low level by control signal path Signal makes the potential difference for controlling the pin between signal path and data transmission channel less than zero, even there is detection signal at this time From detection interface input, can not also pass through.
For the attached drawing shown in Fig. 3 B, in this specific embodiment, when TV box is accessed separation TV by user It waits, FRC chip will detect that current separation TV has accessed electronics box, therefore FRC chip can pass through GPIO foot at this time Export low level control signal (i.e. network FRC_I2C_SEL is low level signal) so that no matter other interfaces whether Can be by by MCU remote control head input detection signal, signal punching occurs for the signal that these detection signals will not all be exported with TV box Prominent, in this process, the working principle of each interface and its corresponding guidance is as follows:
The potential difference of 1 foot and 2 feet between data transmission channel where switch element V48, V49 interface less than 0, because Data signal channel where this switch element V48 and V49 is in off state, and the diode between 3 feet and 2 feet is also at this time It in reverse blocking state, is in an off state between 3 feet and 2 feet, so even being that MCU remote control head has accessed remote control circuit hair Signal is surveyed in inspection, which can not also reach FRC chip, and FRC chip can only receive electronics box and be issued at this time Data-signal.
By apply above technical scheme, instruction master chip to remote control circuit output make the data-interface of display device with it is distant The first control signal of the circuit conducting between the detection interface of circuit is controlled, master chip can receive detection device and connect by detection The detection signal that mouth is sent indicates master chip to remote control when detecting that TV box accesses display device by data-interface The second control signal that circuit output disconnects the circuit between the data-interface of display device and detection interface, such master chip Only receive the data-signal that TV box is sent by data-interface.So as to enable manufacturer to fast implement display device Profession detection, and signal interference will not be generated during consumer is using TV box, improve user uses body It tests.
In order to reach the above technical purpose, the invention also provides a kind of display devices, as shown in figure 4, including master chip 410, remote control circuit 420, the remote control circuit 420 are equipped with the detection interface for connecting with detection device, wherein the main core Piece 420 further include:
Output module 421, the output of Xiang Suoshu remote control circuit make the data-interface and the detection interface of the display device Between circuit conducting first control signal, and detecting that TV box passes through the data-interface access display The circuit between the data-interface of the display device and the detection interface is disconnected to the remote control circuit output when device Second control signal;
Receiving module 422, the detection signal sent for receiving the detection device by the detection interface, Yi Ji The output module makes the electricity between the data-interface of the display device and the detection interface to remote control circuit output The data-signal that the TV box is sent by the data-interface is received after the second control signal that road disconnects.
In specific application scenarios, the master chip is connect with the remote control circuit by data transmission channel, described Master chip controls the on-off of the data transmission channel by controlling signal path, and the control signal path and the data pass Defeated channel is connected with each other by pin.
In specific application scenarios, the first control signal is specially high level signal, and the output module is to institute State the first control that the circuit between the data-interface of the display device and the detection interface is connected in remote control circuit output Signal, specifically:
High level signal is exported by the control signal path, so that the control signal path and the data are transmitted The potential difference of pin between channel is greater than zero.
In specific application scenarios, the second control signal is specially low level signal, and the output module is being examined Measuring fills the display to the remote control circuit output when TV box accesses the display device by the data-interface The second control signal that the circuit between data-interface and the detection interface set disconnects, specifically:
Low level signal is exported by the control signal path, so that the control signal path and the data are transmitted The potential difference of pin between channel is less than zero.
In specific application scenarios, the detection device is specially MCU remote control head, and the detection signal is remote control life It enables, the detection interface and the data-interface are I2C interface, further includes:
The remote control command is transmitted to the remote control circuit by I2C agreement.
It can be seen that by applying above technical scheme, instruction master chip makes the number of display device to remote control circuit output According to the first control signal that the circuit between interface and the detection interface of remote control circuit is connected, master chip can receive detection device The detection signal sent by detection interface, when detecting that TV box accesses display device by data-interface, instruction master The second control signal that chip disconnects the circuit between the data-interface of display device and detection interface to remote control circuit output, Master chip only receives the data-signal that TV box is sent by data-interface in this way.So as to enable manufacturer to fast implement The profession detection of display device, and signal interference will not be generated during consumer is using TV box, improve use The usage experience at family.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can lead to Hardware realization is crossed, the mode of necessary general hardware platform can also be added to realize by software.Based on this understanding, this hair Bright technical solution can be embodied in the form of software products, which can store in a non-volatile memories In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are used so that a computer equipment (can be Personal computer, server or network equipment etc.) execute method described in each implement scene of the present invention.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or Process is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Aforementioned present invention serial number is for illustration only, does not represent the superiority and inferiority of implement scene.
Disclosed above is only several specific implementation scenes of the invention, and still, the present invention is not limited to this, Ren Heben What the technical staff in field can think variation should all fall into protection scope of the present invention.

Claims (10)

1. a kind of signal control method, which is characterized in that the method is applied to the display device comprising master chip, remote control circuit In, the remote control circuit is equipped with the detection interface for connecting with detection device, this method comprises:
The master chip makes between the data-interface of the display device and the detection interface to remote control circuit output The first control signal of circuit conducting;
The master chip receives the detection signal that the detection device is sent by the detection interface, wherein the detection device Specially MCU is remotely controlled head, and the detection signal is remote control command;
When detecting that TV box accesses the display device by the data-interface, the master chip is electric to the remote control The second control signal that road output disconnects the circuit between the data-interface of the display device and the detection interface;
The master chip only receives the data-signal that the TV box is sent by the data-interface.
2. the method as described in claim 1, which is characterized in that
The master chip is connect with the remote control circuit by data transmission channel, and the master chip passes through control signal path control The on-off of the data transmission channel, the control signal path and the data transmission channel is made to be connected with each other by pin.
3. method according to claim 2, which is characterized in that the first control signal is specially high level signal, described The circuit between the data-interface of the display device and the detection interface is connected to remote control circuit output in master chip First control signal, specifically:
High level signal is exported by the control signal path, so that the control signal path and the data transmission channel Between pin potential difference be greater than zero.
4. method according to claim 2, which is characterized in that the second control signal is specially low level signal, described Master chip disconnects the circuit between the data-interface of the display device and the detection interface to remote control circuit output Second control signal, specifically:
Low level signal is exported by the control signal path, so that the control signal path and the data transmission channel Between pin potential difference less than zero.
5. method according to any of claims 1-4, which is characterized in that the detection interface and the data-interface are I2C interface, further includes:
The remote control command is transmitted to the remote control circuit by I2C agreement.
6. a kind of display device, including master chip, remote control circuit, which is characterized in that the remote control circuit be equipped with for detection The detection interface of equipment connection, wherein the master chip further include:
Output module, the output of Xiang Suoshu remote control circuit make the electricity between the data-interface of the display device and the detection interface Road conducting first control signal, and detect TV box by the data-interface access display device when to The second control that the remote control circuit output disconnects the circuit between the data-interface of the display device and the detection interface Signal processed;
Receiving module, the detection signal sent for receiving the detection device by the detection interface, and described defeated Module disconnects the circuit between the data-interface of the display device and the detection interface to remote control circuit output out Second control signal after receive the data-signal that the TV box is sent by the data-interface, wherein it is described detection set Standby specially MCU is remotely controlled head, and the detection signal is remote control command.
7. display device as claimed in claim 6, which is characterized in that
The master chip is connect with the remote control circuit by data transmission channel, and the master chip passes through control signal path control The on-off of the data transmission channel, the control signal path and the data transmission channel is made to be connected with each other by pin.
8. display device as claimed in claim 7, which is characterized in that the first control signal is specially high level signal, The output module makes the electricity between the data-interface of the display device and the detection interface to remote control circuit output The first control signal of road conducting, specifically:
High level signal is exported by the control signal path, so that the control signal path and the data transmission channel Between pin potential difference be greater than zero.
9. display device as claimed in claim 7, which is characterized in that the second control signal is specially low level signal, The output module is when detecting that TV box accesses the display device by the data-interface to the remote control circuit The second control signal that output disconnects the circuit between the data-interface of the display device and the detection interface, specifically Are as follows:
Low level signal is exported by the control signal path, so that the control signal path and the data transmission channel Between pin potential difference less than zero.
10. display device as claim in any one of claims 6-9, which is characterized in that the detection interface and the data Interface is I2C interface, further includes:
The remote control command is transmitted to the remote control circuit by I2C agreement.
CN201610600843.4A 2016-07-27 2016-07-27 A kind of signal control method and equipment Active CN106604021B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101420633A (en) * 2008-11-21 2009-04-29 康佳集团股份有限公司 Failure detection apparatus and method for television set
CN102843531A (en) * 2012-08-29 2012-12-26 深圳Tcl新技术有限公司 Drive control circuit and television
CN103517139A (en) * 2012-12-27 2014-01-15 Tcl集团股份有限公司 Television with hardware configuration upgrading function
CN103607615A (en) * 2013-11-05 2014-02-26 深圳市同洲电子股份有限公司 Remote control method, system thereof and digital television terminal
CN203708358U (en) * 2014-01-15 2014-07-09 深圳创维-Rgb电子有限公司 Television set
CN105554497A (en) * 2015-12-24 2016-05-04 Tcl集团股份有限公司 Factory testing method and system for modular television

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101420633A (en) * 2008-11-21 2009-04-29 康佳集团股份有限公司 Failure detection apparatus and method for television set
CN102843531A (en) * 2012-08-29 2012-12-26 深圳Tcl新技术有限公司 Drive control circuit and television
CN103517139A (en) * 2012-12-27 2014-01-15 Tcl集团股份有限公司 Television with hardware configuration upgrading function
CN103607615A (en) * 2013-11-05 2014-02-26 深圳市同洲电子股份有限公司 Remote control method, system thereof and digital television terminal
CN203708358U (en) * 2014-01-15 2014-07-09 深圳创维-Rgb电子有限公司 Television set
CN105554497A (en) * 2015-12-24 2016-05-04 Tcl集团股份有限公司 Factory testing method and system for modular television

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