JPS59195870U - Display device power supply circuit - Google Patents
Display device power supply circuitInfo
- Publication number
- JPS59195870U JPS59195870U JP1983090510U JP9051083U JPS59195870U JP S59195870 U JPS59195870 U JP S59195870U JP 1983090510 U JP1983090510 U JP 1983090510U JP 9051083 U JP9051083 U JP 9051083U JP S59195870 U JPS59195870 U JP S59195870U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- display device
- primary winding
- supply circuit
- active element
- 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)
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
第1図及び第2図は従来の電源回路を示す回路図、第3
図は本考案の一実施例に係る電源回路の回路を示す回路
図、第4図は第3図の動作を説明するための動作波形図
、第5図は本考案の他の実施例に係る電源回路の回路を
示す回路図である。
1・・・水平駆動回路、2・・・水平駆動トランス、3
・・・水平出力回路、4・・・フライバックトランス、
Q□・・・水平駆動トランジスタ、Q2・・・水平出力
トランジスタ、D2.D、・・・ダイオード、C2,C
6・・・コンデンサ、R2・・・抵抗。Figures 1 and 2 are circuit diagrams showing conventional power supply circuits;
The figure is a circuit diagram showing a power supply circuit according to one embodiment of the present invention, FIG. 4 is an operation waveform diagram for explaining the operation of FIG. 3, and FIG. 5 is a diagram showing another embodiment of the present invention. FIG. 2 is a circuit diagram showing a circuit of a power supply circuit. 1... Horizontal drive circuit, 2... Horizontal drive transformer, 3
...Horizontal output circuit, 4...Flyback transformer,
Q□...Horizontal drive transistor, Q2...Horizontal output transistor, D2. D,...diode, C2,C
6...Capacitor, R2...Resistor.
Claims (1)
動トランスの1次巻線から2次巻線に伝えられる電磁エ
ネルギーを水平出力能動素子の駆動電流として導出し、
前記水平出力能動素子にはフライバックトランスの1次
巻線のタップ点に供給される外部電圧に基く電源電圧を
前記フライバックトランスの1次巻線一端側から供給し
てなるディスプレイ装置の電源回路において、前記フラ
イバックトランスの1次巻線他端側から前記水平駆動ト
ランスの1次巻線に前記水平駆動能動素子の電源電圧を
供給するようにしたことを特徴とするディスプレイ装置
の電源回路。The electromagnetic energy transmitted from the primary winding to the secondary winding of the horizontal drive transformer in accordance with the switching operation of the horizontal drive active element is derived as a drive current of the horizontal output active element,
A power supply circuit for a display device in which a power supply voltage based on an external voltage supplied to a tap point of a primary winding of a flyback transformer is supplied to the horizontal output active element from one end of the primary winding of the flyback transformer. A power supply circuit for a display device, characterized in that the power supply voltage of the horizontal drive active element is supplied to the primary winding of the horizontal drive transformer from the other end of the primary winding of the flyback transformer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1983090510U JPS59195870U (en) | 1983-06-15 | 1983-06-15 | Display device power supply circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1983090510U JPS59195870U (en) | 1983-06-15 | 1983-06-15 | Display device power supply circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS59195870U true JPS59195870U (en) | 1984-12-26 |
Family
ID=30220438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1983090510U Pending JPS59195870U (en) | 1983-06-15 | 1983-06-15 | Display device power supply circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59195870U (en) |
-
1983
- 1983-06-15 JP JP1983090510U patent/JPS59195870U/en active Pending
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