JPH02116174U - - Google Patents
Info
- Publication number
- JPH02116174U JPH02116174U JP2501489U JP2501489U JPH02116174U JP H02116174 U JPH02116174 U JP H02116174U JP 2501489 U JP2501489 U JP 2501489U JP 2501489 U JP2501489 U JP 2501489U JP H02116174 U JPH02116174 U JP H02116174U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- detection means
- current detection
- current
- power supply
- 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)
Description
第１図は本考案の一実施例を示す図、第２図は
その具体的回路例を示す図、第３図はツエナーダ
イオードの電流−電圧特性図である。
１……電源回路、２……フライバツクトランス
、６……スイツチングトランジスタ、１１……電
流検出回路、１２……誤差検出回路。
FIG. 1 is a diagram showing an embodiment of the present invention, FIG. 2 is a diagram showing a specific example of the circuit, and FIG. 3 is a current-voltage characteristic diagram of a Zener diode. DESCRIPTION OF SYMBOLS 1... Power supply circuit, 2... Flyback transformer, 6... Switching transistor, 11... Current detection circuit, 12... Error detection circuit.
Claims (1)
バツクトランスの一次側に、バイアス用の直流電
圧を供給するテレビジヨン受像機の電源回路であ
つて、アノード電圧の変動に伴なうフライバツク
トランスの一次側での電流変化を検出する電流検
出手段と、該電流検出手段での検出結果に応じて
変化する基準電圧と直流電圧とを比較して誤差検
出を行なう誤差検出手段と、該誤差検出手段での
検出結果に応じて制御され直流電圧を変化させる
スイツチング手段とを備えたことを特徴とするテ
レビジヨン受像機の電源回路。 A television receiver power supply circuit that supplies bias DC voltage to the primary side of a flyback transformer from which the anode voltage is extracted from the secondary side. current detection means for detecting a current change in the current detection means; error detection means for detecting an error by comparing a reference voltage and a DC voltage that change according to the detection result of the current detection means; What is claimed is: 1. A power supply circuit for a television receiver, comprising switching means for controlling and changing a DC voltage according to a detection result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2501489U JPH02116174U (en) | 1989-03-03 | 1989-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2501489U JPH02116174U (en) | 1989-03-03 | 1989-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02116174U true JPH02116174U (en) | 1990-09-18 |
Family
ID=31245365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2501489U Pending JPH02116174U (en) | 1989-03-03 | 1989-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02116174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100242838B1 (en) * | 1997-03-28 | 2000-02-01 | 윤종용 | Horizontal scaling circuit of display device |
-
1989
- 1989-03-03 JP JP2501489U patent/JPH02116174U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100242838B1 (en) * | 1997-03-28 | 2000-02-01 | 윤종용 | Horizontal scaling circuit of display device |
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