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Friden EC-130 Photo Library

General Appearance

EC-130 Calculator EC-130 Calculator ❮ ❯ EC-130 CRT Display EC-130 CRT Display ❮ ❯ EC-130 Keyboard EC-130 Keyboard ❮ ❯ EC-130 Rear Panel EC-130 Rear Panel ❮ ❯

Circuit Boards

PCB 1, A side PCB 1, A side ❮ ❯ PCB 1, B side PCB 1, B side ❮ ❯ PCB 2, A side PCB 2, A side ❮ ❯ PCB 2, B side PCB 2, B side ❮ ❯ PCB 3, A side PCB 3, A side ❮ ❯ PCB 4, A side PCB 4, A side ❮ ❯ PCB 4, B side PCB 4, B side ❮ ❯

Construction

Bare chassis of EC-130 calculator Friden EC-130 Chassis Bare chassis of EC-130 calculator ❮ ❯ Complex castings form the chassis Complex castings form the chassis ❮ ❯ Card Cage & CRT Mount Card Cage & CRT Mount ❮ ❯ Rear panel hinges down Rear panel hinges down ❮ ❯ Eccentric cam on cover screw can lock the power switch Friden EC-130 Power Lockout Eccentric cam on cover screw can lock the power switch ❮ ❯ Cam on rear case screw acts on power lockout rod Cam on rear case screw acts on power lockout rod ❮ ❯ Voltage Multiplier Voltage Multiplier ❮ ❯ Power supply PCB - low voltage and voltage multiplier Friden EC-130 Power Supply Power supply PCB - low voltage and voltage multiplier ❮ ❯ Card Slots are unique Card Slots are unique ❮ ❯ Backplane with heavy power bus bars Backplane with heavy power bus bars ❮ ❯ Delay Line memory unit Delay Line memory unit ❮ ❯ Keyboard Unit Keyboard Unit ❮ ❯ Magnet broken off key slider Friden EC-130 Keyboard Fault Magnet broken off key slider ❮ ❯ Keyboard Parts Keyboard Parts ❮ ❯