JPS63191772U - - Google Patents
Info
- Publication number
- JPS63191772U JPS63191772U JP8143087U JP8143087U JPS63191772U JP S63191772 U JPS63191772 U JP S63191772U JP 8143087 U JP8143087 U JP 8143087U JP 8143087 U JP8143087 U JP 8143087U JP S63191772 U JPS63191772 U JP S63191772U
- Authority
- JP
- Japan
- Prior art keywords
- tuning control
- conversion circuit
- stopping
- television receiver
- signal
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
Description
図面は本考案の一実施例を示すもので、第１図
は全体の概略構成を示すブロツク図、第２図は第
１図におけるＡ／Ｄ変換回路の詳細を示す図、第
３図は第１図におけるＡＦＴ信号の詳細を示す図
、第４図は上記ＡＦＴ信号におけるＡＦＴ−Ｈ信
号及びＡＦＴ−Ｌ信号の出力動作を説明するため
のタイミングチヤート、第５図及び第６図はチユ
ーニング動作を説明するためのタイミングチヤー
トである。
１２……チユーナ、１３……ＴＶリニア回路、
１４……ＡＦＴ検波回路、１５……Ａ／Ｄ変換回
路、１６……表示装置、１７……ＡＦＴ回路、１
８……オートチユーニング回路、２２，３３……
基準電圧発生回路、２３，３４，３５……アナロ
グスイツチ。
The drawings show one embodiment of the present invention; FIG. 1 is a block diagram showing the overall schematic configuration, FIG. 2 is a diagram showing details of the A/D conversion circuit in FIG. 1, and FIG. 1 is a diagram showing details of the AFT signal, FIG. 4 is a timing chart for explaining the output operation of the AFT-H signal and AFT-L signal in the AFT signal, and FIGS. 5 and 6 are diagrams showing the tuning operation. This is a timing chart for explanation. 12...Tuner, 13...TV linear circuit,
14...AFT detection circuit, 15...A/D conversion circuit, 16...Display device, 17...AFT circuit, 1
8...Auto tuning circuit, 22, 33...
Reference voltage generation circuit, 23, 34, 35...analog switch.
Claims (1)
デジタル信号に変換して画像表示すると共に、Ａ
ＦＴ信号を基にチユーニング制御を行なうテレビ
ジヨン受像機において、チユーニング制御動作中
は上記Ａ／Ｄ変換回路の動作を停止させる手段と
、上記チユーニング制御動作を終了した後は上記
Ａ／Ｄ変換回路を動作させると共に上記チユーニ
ング制御部の電源をオフする手段とを具備したこ
とを特徴とするテレビジヨン受像機。 The A/D conversion circuit converts the television video signal into a digital signal and displays the image.
A television receiver that performs tuning control based on an FT signal includes means for stopping the operation of the A/D conversion circuit during the tuning control operation, and means for stopping the operation of the A/D conversion circuit after the tuning control operation is completed. What is claimed is: 1. A television receiver comprising means for operating the tuning control section and turning off the power to the tuning control section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8143087U JPS63191772U (en) | 1987-05-28 | 1987-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8143087U JPS63191772U (en) | 1987-05-28 | 1987-05-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63191772U true JPS63191772U (en) | 1988-12-09 |
Family
ID=30933160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8143087U Pending JPS63191772U (en) | 1987-05-28 | 1987-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63191772U (en) |
-
1987
- 1987-05-28 JP JP8143087U patent/JPS63191772U/ja active Pending