JPS6424563U - - Google Patents
Info
- Publication number
- JPS6424563U JPS6424563U JP12002587U JP12002587U JPS6424563U JP S6424563 U JPS6424563 U JP S6424563U JP 12002587 U JP12002587 U JP 12002587U JP 12002587 U JP12002587 U JP 12002587U JP S6424563 U JPS6424563 U JP S6424563U
- Authority
- JP
- Japan
- Prior art keywords
- disk assembly
- head disk
- circuit
- outputting
- head
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000011990 functional testing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案の磁気デイスク装置のヘツドデ
イスクアツセンブリの一実施例の構成を示す図、
第２図ａ，ｂは第１図中の印刷配線板２の平面図
および側面図、第３図は型式判定回路３の回路図
、第４図は本実施例を利用してＨＤＡの機能検査
を自動化した一例のブロツク図である。
１……ヘツドデイスクアツセンブリ、２……印
刷配線板、３……型式判定回路、４……信号線、
５……デイツプスイツチ、５１〜５４……スイツ
チ、６……抵抗アレイ、６１〜６４……抵抗、７
……テスタ選択回路、８……テスタ群、８１〜８
４……テスタ、２１……型式判定用信号、２２…
…テスタ選択信号。
FIG. 1 is a diagram showing the configuration of an embodiment of a head disk assembly of a magnetic disk device of the present invention;
2a and b are a plan view and a side view of the printed wiring board 2 in FIG. 1, FIG. 3 is a circuit diagram of the type determination circuit 3, and FIG. 4 is a functional test of HDA using this embodiment. FIG. 2 is a block diagram of an example of automating the process. 1...Head disk assembly, 2...Printed wiring board, 3...Type determination circuit, 4...Signal line,
5... Deep switch, 5 1 to 5 4 ... Switch, 6... Resistor array, 6 1 to 6 4 ... Resistor, 7
...Tester selection circuit, 8...Tester group, 8 1 to 8
4 ...Tester, 21...Type determination signal, 22...
...Tester selection signal.
Claims (1)
リにおいて、 前記ヘツドデイスクアツセンブリの型式を２進
情報として出力する回路と、 前記情報を設定する手段と、 前記情報をヘツドデイスクアツセンブリ外部へ
送出するための信号線とを有することを特徴とす
る磁気デイスク装置のヘツドデイスクアツセンブ
リ。[Claims for Utility Model Registration] A head disk assembly for a magnetic disk device, comprising: a circuit for outputting the type of the head disk assembly as binary information; a means for setting the information; and a circuit for outputting the type of the head disk assembly as binary information; 1. A head disk assembly for a magnetic disk device, characterized in that it has a signal line for transmitting signals to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12002587U JPS6424563U (en) | 1987-08-04 | 1987-08-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12002587U JPS6424563U (en) | 1987-08-04 | 1987-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6424563U true JPS6424563U (en) | 1989-02-09 |
Family
ID=31365764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12002587U Pending JPS6424563U (en) | 1987-08-04 | 1987-08-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6424563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05274771A (en) * | 1992-03-30 | 1993-10-22 | Fujitsu Ltd | Control method for magnetic disk device |
-
1987
- 1987-08-04 JP JP12002587U patent/JPS6424563U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05274771A (en) * | 1992-03-30 | 1993-10-22 | Fujitsu Ltd | Control method for magnetic disk device |
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