這台 Microscience HH612B 10MB 硬碟機（Hard Disk Drive）內有 3片 PCB板，包括主控制板（Main Control Board）、電源控制板（Power Control Board）和前置放大器板（PRE-AMP Board），主控制板（Main Control Board）尺寸為 190 / 200mm × 97 / 142mm × 1.6mm，重量有 170g，雙面 PCB板（Double Side PCB），PCB 板編號是 500891-001 REV. M，生產廠商是 Microscience，生產時間 137 T63（估計在 1984年），美國製造（Made in U.S.A）。
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| Microscience HH612B 10MB 硬碟機（Hard Disk Drive）主控制板（Main Control Board） |
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| Microscience HH612B 10MB 硬碟機（Hard Disk Drive）主控制板（Main Control Board）的正面 |
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| Microscience HH612B 10MB 硬碟機（Hard Disk Drive）主控制板（Main Control Board）的背面 |
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| Toshiba（東芝）編號 TMP8049P-6-5717 DIP-40 封裝 8-Bit Single-Chip Microcomputer |
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| RAY的編號DAC-080DB DIP-16 封裝 8-bit High-Speed Multiplying D/A Converter |
Type
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Brand
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P/N
|
Packaging
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U1 - 8-Bit Single-Chip Microcomputer
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Toshiba
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TMP8049P-6-5717
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DIP-40
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U2 - 8-bit High-Speed Multiplying D/A Converter
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RAY
|
DAC-080DB
|
DIP-16
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U3 - Quad Transistors
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Motorola
|
MPQ3467
|
DIP-14
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U4，U9 - Quad 2-Input Positive-NAND Buffers with Open Collector Outputs
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TI
|
SN7438N
|
DIP-14
|
U5，U6 - Hex Inverted Buffers
with Open-Collector Outputs
|
Fairchilf
|
7406
|
DIP-14
|
U7 - 50 V - 1.5 A Quad Darlington Switches
|
?
|
ULN2074B
|
DIP-16
|
U8 - Hex Buffers/Drivers With Open-Collector High-Voltage
Outputs
|
TI
|
SN7407N
|
DIP-14
|
U10 - ?
|
?
|
TDB1580P
|
DIP-8
|
U12 - Quad Differential Line Receivers
|
AMD
|
AM26LS32PC
|
DIP-16
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U13 - Dual Monostable Multivibrators with Schmitt-Trigger Inputs
|
Motorola
|
SN74LS221N
|
DIP-16
|
U14 - Dual JK Edge-Triggered Flip-Flop
|
Fujitsu
|
MB74LS113A
|
DIP-14
|
U16 - Dual Type D Master-Slave Flip-Flop
|
Motorola
|
MC10131P
|
DIP-16
|
U17，U23 - Triple Line Receiver
|
Motorola
|
MC10114P
|
DIP-16
|
U18 - Quad General-Purpose JFET-input Operational Amplifier
|
NS
|
LF347N
|
DIP-14
|
U19 - General Purpose NPN Transistor Arrays
|
RCA
|
CA3046
|
DIP-14
|
U20 - Dual Independent Differential Amp for Low Power Applications from
DC to 120MHz
|
RCA
|
CA3054
|
DIP-14
|
U21 - Hex Inverter with Schmitt Trigger Input
|
NS
|
DM7414N
|
DIP-14
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U22，U29 - Low Power Low Offset Voltage Quad Comparator
|
SGS
|
LM339N
|
DIP-14
|
U26 - Monolithic TV Video IF Amplifier
|
TI
|
SN76600P
|
DIP-8
|
U27 - ?
|
?
|
TDB0353DP
|
DIP-8
|
U28 - Dual Very-High Speed，High-Current Peripheral Drivers
|
TI
|
SN75451BP
|
DIP-8
|
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| 4枚 SGS 2N6037 TO-126 封裝 Silicon NPN Power Transistors |
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| Microscience HH612B 10MB 硬碟機（Hard Disk Drive）主軸馬達的軟膠墊 |
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| Microscience 的美國製造（Made in U.S.A）標誌 |
※ Microscience HH612B 10MB 硬碟機（Hard Disk Drive）- 介紹（一）
※ Microscience HH612B 10MB 硬碟機（Hard Disk Drive）- 拆解（二）
※ Microscience HH612B 10MB 硬碟機（Hard Disk Drive）電源控制板 - 拆解（四）
※ Microscience HH612B 10MB 硬碟機（Hard Disk Drive）前面板控制板 - 拆解（五）
2020年 5月 3日 天氣報告
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