TEAC (勝旗)FD-55B-01-U 5.25吋(5¼-inch)軟盤驅動器(Floppy Disk Drive)有 1片主控制 PCB 板(Main Control Board),主控制 PCB 板(Main Control Board)連接到步進馬達(Stepper Motor)、主軸馬達(Spindle Motor)、磁碟讀寫磁頭(Disk Read-Write Head)、LED PCB 板、寫入保護感應器(Write Protect Sensor)、光學零定位感應器(Track Zero Sensor),還有輸出入和電源插頭。主控制 PCB 板(Main Control Board)尺寸為 150 / 90mm × 81 / 23mm × 1.50mm,雙面 PCB 板(Double Side PCB),PCB 板編號是 13332001-00,PCB 板 Serial No 15532001-01H,估計生產時間 1984年。主控制 PCB 板(Main Control Board)上共有 9枚 IC(集成電路),有 2枚 TEAC(勝旗)的編號 1922-00 LH0115A QFP 封裝和編號 7358-00 DIP-28 封裝,1枚 Hitachi HD74LS14,1枚 Mitsubishi(三菱電機)的 M74LS74AP DIP-14 封裝 IC, Mitsubishi(三菱電機) 編號 M54534AP DIP-16 封裝 IC,NS(美國國家半導體) 編號 DM74LS08N DIP-14 封裝的驅動 IC,1枚 SGS(意法半導體)的 74LS04 DIP-14 封裝 IC,還有2枚 TELSA的 MH7438 DIP-14封裝 IC。
TEAC FD-55B-01-U 5.25吋軟盤驅動器(Floppy Disk Drive)PCB 板 |
TEAC FD-55B-01-U 5.25吋軟盤驅動器(Floppy Disk Drive)PCB 板的正面 |
TEAC FD-55B-01-U 5.25吋軟盤驅動器(Floppy Disk Drive)PCB 板的背面 |
TEAC 1922-00 LH0115A LSI IC |
TEAC 7358-00 LSI IC |
TESLA MH7458 IC |
Mitsubishi M54534P 6-Unit 320mA Transitor Array with Clamp Diode and Strobe IC |
Hitachi HD74LS14 Hex Schmitt Trigger Inverters IC |
SGS T74LS04 Hex Inverting Gates IC |
Mitsubishi M74LS74AP Dual D-type Positive Edge-triggered Flip-Flops (with Preset and Clear) IC |
NS DM74LS08N Quad 2-Input AND Gates IC |
產品主控制板 PCB 板主要零件(BOM):
Type
|
Brand
|
P/N
|
Packaging
|
U1 - Hex
Schmitt Trigger Inverters
|
Hitachi
|
HD74LS14
|
DIP-14
|
U2 - Quad
2-Input AND Gates
|
NS
|
DM74LS08N
|
DIP-14
|
U3 - Hex Inverting Gates
|
SGS
|
T74LS04
|
DIP-14
|
U4 - Quad 2-input NAND Buffer With Open Collector Outputs
|
TESLA
|
MH7458
|
DIP-14
|
U5 - Dual D-type Positive Edge-triggered Flip-Flops
(with Preset and Clear)
|
Mitsubishi
|
M74LS74AP
|
DIP-14
|
U6 - LSI
|
TEAC
|
1922-00 LH0115A
|
TQFP-48
|
U7 - Quad 2-input NAND Buffer With Open Collector Outputs
|
TESLA
|
MH7458
|
DIP-14
|
U8 - 6-Unit
320mA Transistor Array with Clamp Diode and Strobe
|
Mitsubishi
|
M54534P
|
DIP-16
|
U9 - LSI
|
TEAC
|
7358-00
|
DIP-30
|
※ TEAC FD-55B-01-U 5.25吋軟盤驅動器(Floppy Disk Drive) – 介紹(一)
※ TEAC FD-55B-01-U 5.25吋軟盤驅動器(Floppy Disk Drive) – 拆解(二)
※ TEAC FD-55B-01-U 5.25吋軟盤驅動器(Floppy Disk Drive)PCB 板 – 拆解(三)
2015 年 5月 7日 天氣報告
氣溫:28.0度 @ 20:30
相對濕度:百分之 80%
天氣:大致多雲
Tesla MH7438 is Quad 2-input NAND Buffer With Open Collector Outputs
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