COPAL 打印機主機板（Printer Controller Board） - 拆解（一）

COPAL 打印機主機板（Printer Controller Board） - 拆解（一）：

這塊 COPAL 打印機主機板（Printer Controller Board）尺寸 275mm × 190mm × 1.8mm，重量有 416g，主機板編號是 S215-750 SC-1000，PCB板生產廠商是 COPAL ，PCB板是 W-79 94V-0 雙層板（Double Side PCB），生產日期估計在 84043（1984年第43周），日本製造（Made in Japan）。

COPAL 打印機主機板（Printer Controller Board）

COPAL 打印機主機板（Printer Controller Board）的正面

COPAL 打印機主機板（Printer Controller Board）的背面

這塊 COPAL 打印機主機板（Printer Controller Board）上共有30枚 IC（集成電路），Hitachi（日立）HD6803P DIP-40 封裝的 Single-Chip Microcomputer MCU，Mitsubishi（三菱）M5L8255AP-5 DIP-40 封裝的 Programmable Peripheral Interface iAPX86 Family，Mitsubishi（三菱）M5L8253P-5 DIP-24 封裝的 Programmable Interval Timer，Hitachi（日立）HM6116P-3 DIP-24 封裝的 2048-word X 8bit High Speed CMOS Static RAM，Fujitsu（富士通）MBM2764-30 DIP-24 封裝的 64K(8K x 8) UV Erasable PROMs。

Hitachi（日立）HD6803P DIP-40 封裝的 Single-Chip Microcomputer MCU

Mitsubishi（三菱）M5L8255AP-5 DIP-40 封裝的 Programmable Peripheral Interface iAPX86 Family

Mitsubishi（三菱）M5L8253P-5 DIP-24 封裝的 Programmable Interval Timer

Hitachi（日立）HM6116P-3 DIP-24 封裝的 2048-word X 8bit High Speed CMOS Static RAM

ROM 1 Fujitsu（富士通）MBM2764-30 DIP-24 封裝的 64K(8K x 8) UV Erasable PROMs

ROM 2 Fujitsu（富士通）MBM2764-30 DIP-24 封裝的 64K(8K x 8) UV Erasable PROMs

產品 PCB板主要零件（BOM）：

Type	Brand	P/N	Packaging
A1 F1F2 Hex Schmitt-Trigger Inverters	Hitachi	HD74LS14P	DIP-14
B6 Hex Inverter Buffers / Drivers with High-Voltage Outputs	Hitachi	HD7406P	DIP-14
B7E4 Hex Buffers / Drivers with Open-Collector	Hitachi	HD7407P	DIP-14
B8Dual 2-Line to 4-Line Decoders / Demultiplexer	Hitachi	HD74LS139P	DIP-16
B9Dual Monostable Multivibrators with Schmitt-Trigger Inputs	Hitachi	HD74LS221P	DIP-16
C1C2 64K(8K x 8) UV Erasable PROMs	Fujitsu	MBM2764-30	DIP-24
C3 - 2048-word X 8bit High Speed CMOS Static RAM	Hitachi	HM6116P-3	DIP-24
C4Octal D-type Transparent Latches with 3-state Outputs	Hitachi	HD74LS373P	DIP-20
C5Single-Chip Microcomputer MCU	Hitachi	HD6803P	DIP-40
C6 Quadruple D-Type Flip-Flops With Clear	Mitsubishi	74LS175	DIP-16
C7C83-Line to 8-Line Decoder / Demultiplexer	Mitsubishi	M74LS138P	DIP-16
D1D2Programmable Peripheral Interface iAPX86 Family	Mitsubishi	M5L8255AP-5	DIP-40
D3Programmable Interval Timer	Mitsubishi	M5L8253P-5	DIP-24
D4D5Hex D-Type Flip-Flops With Clear	Mitsubishi	M74LS174P	DIP-16
D6 Quad 2-Input Positive-NAND Gates	Mitsubishi	M74LS00P	DIP-14
D7 Quad 2-Iinput Positive-NOR Gates	Mitsubishi	M74LS02	DIP-14
D8 Hex Iinverters	Mitsubishi	M74LS04P	DIP-14
D9 Quadruple Line Receiver	Motorola	MC1489L	DIP-14
E5	Mitsubishi	M53209P	DIP-16
E6 Dual D-type Positive Edge-triggered Flip-Flops(With Preset and Clear)	Mitsubishi	M74LS74AP	DIP-16
E8Quad 2-input positive-NAND buffers with open collector outputs	Hitachi	HD7438P	DIP-14
E9 Quadruple Line Driver	Motorola	MC1488L	DIP-14

2021年 6月 27日（Sun）天氣報告

氣溫：81.0°F / 27.0°C @ 08:00

風速：每小時 18 公里

降雨機會：19%

相對濕度：百分之 85%

天氣：多雲時陰