JPH0412759U - - Google Patents
Info
- Publication number
- JPH0412759U JPH0412759U JP5400690U JP5400690U JPH0412759U JP H0412759 U JPH0412759 U JP H0412759U JP 5400690 U JP5400690 U JP 5400690U JP 5400690 U JP5400690 U JP 5400690U JP H0412759 U JPH0412759 U JP H0412759U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- grounded
- circuit
- emitter
- diode
- 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
Landscapes
- Details Of Television Scanning (AREA)
- Coils Or Transformers For Communication (AREA)
Description
第１図は本考案による水平発振停止検出回路の
一実施例の回路図、第２図は従来の水平発振停止
検出回路の実施例の回路図である。
図中、１は水平出力トランジスタ、２は水平ヨ
ーク、３はＦＢＴ、４，８，１４はダイオード、
５，１０，２１はコンデンサ、６，９，１１，１
３，２２は抵抗、７はＯＶＰ回路、、１２，１８
はトランジスタ、１５は＋Ｂ電圧、１６は＋１２
Ｖ電源、１７は出力端子、１９はツエナーダイオ
ード、２０は水平発振停止検出回路である。
FIG. 1 is a circuit diagram of an embodiment of a horizontal oscillation stop detection circuit according to the present invention, and FIG. 2 is a circuit diagram of an embodiment of a conventional horizontal oscillation stop detection circuit. In the figure, 1 is a horizontal output transistor, 2 is a horizontal yoke, 3 is an FBT, 4, 8, and 14 are diodes,
5, 10, 21 are capacitors, 6, 9, 11, 1
3, 22 are resistors, 7 is OVP circuit, 12, 18
is a transistor, 15 is +B voltage, 16 is +12
V power supply, 17 is an output terminal, 19 is a Zener diode, and 20 is a horizontal oscillation stop detection circuit.
Claims (1)
地し、他端に順方向にダイオードを接続してなり
、抵抗器を介し接地したフライバツクトランスの
２次側出力回路において、制御トランジスタのエ
ミツタを電源端に、同トランジスタのコレクタを
抵抗器を介し接地すると共にベースに抵抗器、ア
ノードと互いに向かい合わせたツエナーダイオー
ドおよびダイオードの直列回路を介し前記出力回
路に接続し、コンデンサと抵抗器の並列回路を前
記エミツタとベース間に接続してなり、前記コレ
クタよりダイオードを介し信号を出力するように
した水平発振停止検出回路。 One end of the secondary winding of the flyback transformer is grounded, and a diode is connected to the other end in the forward direction.In the secondary output circuit of the flyback transformer, which is grounded through a resistor, the emitter of the control transistor is At the power supply end, the collector of the same transistor is grounded through a resistor, the base is connected to a resistor, the anode is connected to the output circuit through a series circuit of Zener diodes and diodes facing each other, and a parallel circuit of a capacitor and a resistor is connected. is connected between the emitter and the base, and the horizontal oscillation stop detection circuit is configured to output a signal from the collector via a diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5400690U JPH0412759U (en) | 1990-05-23 | 1990-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5400690U JPH0412759U (en) | 1990-05-23 | 1990-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0412759U true JPH0412759U (en) | 1992-01-31 |
Family
ID=31575686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5400690U Pending JPH0412759U (en) | 1990-05-23 | 1990-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412759U (en) |
-
1990
- 1990-05-23 JP JP5400690U patent/JPH0412759U/ja active Pending