KR910018805A - Tuner automatic inspection device and inspection method - Google Patents

Tuner automatic inspection device and inspection method Download PDF

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Publication number
KR910018805A
KR910018805A KR1019900005536A KR900005536A KR910018805A KR 910018805 A KR910018805 A KR 910018805A KR 1019900005536 A KR1019900005536 A KR 1019900005536A KR 900005536 A KR900005536 A KR 900005536A KR 910018805 A KR910018805 A KR 910018805A
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South Korea
Prior art keywords
tuner
item
microcomputer
failure
terminal
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KR1019900005536A
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Korean (ko)
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KR930000505B1 (en
Inventor
한동호
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정몽헌
현대전자산업 주식회사
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Priority to KR1019900005536A priority Critical patent/KR930000505B1/en
Publication of KR910018805A publication Critical patent/KR910018805A/en
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Publication of KR930000505B1 publication Critical patent/KR930000505B1/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/282Testing of electronic circuits specially adapted for particular applications not provided for elsewhere
    • G01R31/2822Testing of electronic circuits specially adapted for particular applications not provided for elsewhere of microwave or radiofrequency circuits

Abstract

내용 없음No content

Description

튜너 자동 검사 장치 및 그 검사방법Tuner automatic inspection device and inspection method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 튜너 자동 검사 장치의 블럭도. 제3도는 제2도의 작동 설명을 위한 플로우 챠트도.2 is a block diagram of a tuner automatic inspection device according to the present invention. 3 is a flow chart for explaining the operation of FIG.

Claims (4)

한개의 튜너에 지그를 통하여 주파수 및 전원을 인가하여 동작시키고, 그 출력을 오실로스코프 또는 레벨메타로 측정하여 오동작 여부를 검사하는 튜너 검사 장치에 있어서, ,OSC단자, VT단자, SD단자,출력단자, 안테나 단자 및 전원단자(B+)를 구비한 다수의 튜너(13.....13n)로 부터 제각기 접속되어 이들 튜너중의 한튜너를 선택하는 제1 내지 제6멀티 플렉서(6 내지 11)와, 상기 제1 내지 제4 멀티플렉서(6 내지 9)로 부터 접속되되 튜닝전압을 선택된 튜너(13)에 공급하고 튜너로부터 발생된 SD 전압 및 출력전압을 공급받는 튜너구동부(1)와, 상기 제1 및 제6멀티 플렉서(10 및 11)의 제어단자와 마이크로 컴퓨터(4)간에 접속되어 마이크로 컴퓨터(4)의 제어신호를 상기 제1 내지 제6멀티 플렉서(6 내지 11)에 공급키 위한 제1 인터페이스(3)와, 상기 제5 및 제5 6멀티 플렉서(10 및 11)로 부터 각기 접속되어 튜너에 주파수 및 전원전압을 공급하기 위한 주파수 생성부(14) 및 전원공급장치(15)와, 상기 주파수 생성부(14) 및 마이크로 컴퓨터(4)간에 접속되어, 주파수 및 레벨을 결정할 수 있도록 하는 제2 인터페이스(19)와, 상기 튜너 구동부(1)및 상기 마이크로 컴퓨터(4)간에 접속되어, 상기 마이크로콤퓨터(4)의 제어신호에 따라 상기 멀티 플렉서(1 내지 4)로부터 입력되는 신호를 디지탈 신호로 변환시키는 신호변환부(2) 및 상기 마이크로 컴퓨터(4)로부터 접속되어 선택된 튜너의 고장유무를 표시하는 표시부(5)로 구성된 것을 특징으로 하는 튜너 자동 검사 장치.A tuner test device that operates by applying a frequency and power to a tuner through a jig and measures its output with an oscilloscope or level meter, and checks whether there is a malfunction. OSC terminal, VT terminal, SD terminal, output terminal, First to sixth multiplexers 6 to 11, which are connected from a plurality of tuners 13... 13 n each having an antenna terminal and a power supply terminal B + to select one of these tuners. And a tuner driver 1 connected from the first to fourth multiplexers 6 to 9 to supply a tuning voltage to the selected tuner 13 and to receive an SD voltage and an output voltage generated from the tuner, and It is connected between the control terminals of the first and sixth multiplexers 10 and 11 and the microcomputer 4 to supply a control signal of the microcomputer 4 to the first to sixth multiplexers 6 to 11. A first interface 3 for the fifth and fifth sixth flexes A connection between the frequency generator 14 and the power supply 15 for supplying a frequency and a power voltage to the tuner, respectively, from the frequencies 10 and 11, and between the frequency generator 14 and the microcomputer 4, respectively. And a second interface 19 for determining a frequency and a level, and between the tuner driver 1 and the microcomputer 4, in accordance with a control signal of the microcomputer 4 for the multiplexer. A tuner comprising a signal converting section 2 for converting a signal inputted from (1 to 4) into a digital signal and a display section (5) connected from the microcomputer (4) to indicate the failure of the selected tuner. Automatic inspection device. 튜너 자동 검사 방법에 있어서, 시작 신호로 부터 측정할 검사 항목 및 그 범위를 설정한 다음 첫번째 튜너를 선택하는 단계와, 상기 선택단계로부터 선택된 튜너를 상기 선정된 검사항목중 첫번째 항목을 검사하고 그 고장여부를 판단하는 단계와, 상기 고장여부 판단에 따라 고장항목을 표시부에 표시하고 검사된 항목이 마지막 검사 항목인가를 판단하여 다음 튜너를 선택한 다음 첫번째 항목을 검사하고 그 고장 여부를 판단하는 단계로 복귀하는 단계로 이루어진 것을 특징으로 하는 튜너 자동 검사 방법.In the automatic tuner inspection method, setting a test item to be measured from a start signal and a range thereof, and then selecting a first tuner, and checking a first item of the selected test item and checking the failure of the tuner selected from the selection step. Determining whether or not, and displaying the failure item on the display according to the determination of the failure, and determines whether the item to be inspected is the last item to be checked, selects the next tuner, then examines the first item and returns to the step of determining whether the error is Tuner automatic inspection method, characterized in that consisting of. 제2항에 있어서, 상기 선택된 첫번째 튜너의 고장여부 판단단계에서, 고장이 없을 경우 마지막 검사 항목인가를 판단하는 단계로 진행하는 것을 특징으로 하는 튜너 자동 검사 방법.The method of claim 2, wherein in the step of determining whether or not the selected first tuner has a failure, it is determined whether or not the last inspection item is in the absence of a failure. 제2항에 있어서, 상기 마지막 검사항목인가를 판단하는 단계에서, 마지막 검사항목이 아닐 경우 다음 항목을 검사하는 단계로 진행되어 그 고장여부를 판단하는 복귀하는 것을 특징으로 하는 튜너 자동 검사 방법.The method of claim 2, wherein in the step of determining whether the last inspection item is the same, if the test item is not the last inspection item, the next item is inspected, and the tuner automatic inspection method is returned. ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900005536A 1990-04-20 1990-04-20 Automatic tuner testing equipment and method KR930000505B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900005536A KR930000505B1 (en) 1990-04-20 1990-04-20 Automatic tuner testing equipment and method

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Application Number Priority Date Filing Date Title
KR1019900005536A KR930000505B1 (en) 1990-04-20 1990-04-20 Automatic tuner testing equipment and method

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KR910018805A true KR910018805A (en) 1991-11-30
KR930000505B1 KR930000505B1 (en) 1993-01-21

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