JPH01139672U - - Google Patents
Info
- Publication number
- JPH01139672U JPH01139672U JP3588788U JP3588788U JPH01139672U JP H01139672 U JPH01139672 U JP H01139672U JP 3588788 U JP3588788 U JP 3588788U JP 3588788 U JP3588788 U JP 3588788U JP H01139672 U JPH01139672 U JP H01139672U
- Authority
- JP
- Japan
- Prior art keywords
- high voltage
- circuit
- voltage
- fluctuation
- reference voltage
- 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図は本考案になるテレビジヨン受像機の高
圧安定化回路の一実施例を示す図である。
Ｃ１〜Ｃ５……コンデンサ、Ｄ１……ダンパー
ダイオード、Ｄ２〜Ｄ５……ダイオード、Ｄ６…
…高圧整流用ダイオード、ＨＶＴ……高圧巻線（
高圧トランス）、Ｌ１……１次巻線、Ｌ２……２
次巻線、Ｌ３……１次側の第２の巻線、ＯＰ１，
ＯＰ２……オペアンプ、Ｑ１……水平出力ＮＰＮ
トランジスタ、Ｑ２……ＮＰＮトランジスタ、Ｒ
１〜Ｒ４，Ｒ６，Ｒ７〜Ｒ９……抵抗、Ｒ５……
基準電圧調整用可変抵抗、Ｒｆ……フオーカス調
整用抵抗、Ｒｓ……スクリーン調整用抵抗。
FIG. 1 is a diagram showing an embodiment of a high voltage stabilizing circuit for a television receiver according to the present invention. C1 to C5 ... Capacitor, D1 ... Damper diode, D2 to D5 ... Diode, D6 ...
...High voltage rectifier diode, HVT...High voltage winding (
High voltage transformer), L 1 ... primary winding, L 2 ... 2
Next winding, L 3 ...Second winding on the primary side, OP 1 ,
OP 2 ... operational amplifier, Q 1 ... horizontal output NPN
Transistor, Q2 ...NPN transistor, R
1 to R4 , R6 , R7 to R9 ...Resistance, R5 ...
Variable resistor for adjusting reference voltage, Rf... Resistor for focus adjustment, Rs... Resistor for screen adjustment.
Claims (1)
記高圧発生回路にフイードバツク回路を接続した
テレビジヨン受像機の高圧安定化回路において、 前記高圧発生回路の高圧巻線より出力されるパ
ルスを直流クランプし、整流して基準電圧を発生
する基準電圧発生回路と、 この基準電圧発生回路により発生された基準電
圧と高圧とを比較し、規定の高圧値に対する高圧
変動分を検出する検出回路と、 この検出回路により検出された高圧変動分に応
じて水平偏向出力パルスを整流した電圧を補正電
圧として前記高圧巻線に印加する電圧印加回路と
を備えたテレビジヨン受像機の高圧安定化回路。[Scope of Claim for Utility Model Registration] In a high voltage stabilizing circuit for a television receiver, which integrates a high voltage generating circuit and a horizontal deflection circuit, and connects a feedback circuit to the high voltage generating circuit, from the high voltage winding of the high voltage generating circuit. A reference voltage generation circuit that clamps DC output pulses and rectifies them to generate a reference voltage, and compares the reference voltage generated by this reference voltage generation circuit with a high voltage, and calculates the high voltage fluctuation with respect to a specified high voltage value. A television receiver comprising a detection circuit for detecting a high voltage fluctuation, and a voltage application circuit for applying a voltage obtained by rectifying a horizontal deflection output pulse to the high voltage winding as a correction voltage in accordance with the high voltage fluctuation detected by the detection circuit. High voltage stabilization circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3588788U JPH01139672U (en) | 1988-03-18 | 1988-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3588788U JPH01139672U (en) | 1988-03-18 | 1988-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139672U true JPH01139672U (en) | 1989-09-25 |
Family
ID=31262518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3588788U Pending JPH01139672U (en) | 1988-03-18 | 1988-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139672U (en) |
-
1988
- 1988-03-18 JP JP3588788U patent/JPH01139672U/ja active Pending
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