JPS58191768U - TV receiver protection circuit - Google Patents
TV receiver protection circuitInfo
- Publication number
- JPS58191768U JPS58191768U JP8843582U JP8843582U JPS58191768U JP S58191768 U JPS58191768 U JP S58191768U JP 8843582 U JP8843582 U JP 8843582U JP 8843582 U JP8843582 U JP 8843582U JP S58191768 U JPS58191768 U JP S58191768U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- protection circuit
- vertical
- capacitor
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Details Of Television Scanning (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案の一例の系統図である。
１は垂直・水平発振用のＩＣ１２，３，６は電源端子、
７，８は出力トランジスタ、９は垂直偏向コイル、１０
は直流阻止用コンデンサ、１１は抵抗器、１０．２０は
ダイオード、２３．２４はトランジスタである。The figure is a system diagram of an example of the present invention. 1 is the vertical/horizontal oscillation IC12, 3, and 6 are power supply terminals,
7, 8 are output transistors, 9 is a vertical deflection coil, 10
1 is a DC blocking capacitor, 11 is a resistor, 10.20 is a diode, and 23.24 is a transistor.
Claims (1)
され、この垂直偏向コイルの他端が直流阻止用コンデン
サと抵抗器の直列回路を通じて接地され、このコンデン
サと抵抗器との接続中点の信号が垂直ドライブ回路に帰
還されるようにすると共に、上記コンデンサと抵抗器と
の接続中点の直流レベルが検出され、この直流レベルが
所定値以上になったとき、水平偏向系の動作を止めるよ
うにしたことを特徴とするテレビ受像機の保護回路。The output terminal of the vertical output circuit is connected to one end of the vertical deflection coil, the other end of this vertical deflection coil is grounded through a series circuit of a DC blocking capacitor and a resistor, and the signal at the midpoint of the connection between this capacitor and resistor is is fed back to the vertical drive circuit, and the DC level at the midpoint of the connection between the capacitor and resistor is detected, and when this DC level exceeds a predetermined value, the operation of the horizontal deflection system is stopped. A protection circuit for a television receiver, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8843582U JPS58191768U (en) | 1982-06-14 | 1982-06-14 | TV receiver protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8843582U JPS58191768U (en) | 1982-06-14 | 1982-06-14 | TV receiver protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58191768U true JPS58191768U (en) | 1983-12-20 |
Family
ID=30097106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8843582U Pending JPS58191768U (en) | 1982-06-14 | 1982-06-14 | TV receiver protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58191768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01248764A (en) * | 1988-03-30 | 1989-10-04 | Hitachi Ltd | Cathode ray tube protection circuit |
-
1982
- 1982-06-14 JP JP8843582U patent/JPS58191768U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01248764A (en) * | 1988-03-30 | 1989-10-04 | Hitachi Ltd | Cathode ray tube protection circuit |
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