Polaroid Land SX-70

Provides an overview of the Polaroid Land SX-70 camera's features, operation, and technical specifications.

Explains the electro-mechanical events involved in the camera's normal operation and functions.

Details the unique electronic shutter mechanism used in ambient light and flash modes.

Overview of the camera's functions, assemblies, and electrical circuits discussed in Section I.

Details the 6-volt battery's role in powering the camera's drive motor, electronics, and flash.

Describes the camera's four-element lens, aperture, focal length, and focusing mechanism.

Explains the optical paths for viewing and exposing, including mirrors and screens.

Describes the viewfinder's optical components, distortion, and operation in exposure mode.

Explains the electronic control module (ECM) and its role in camera automation and functions.

Details the function of various switches (S1-S9) and their role in camera operation and sequences.

Explains the unique film processing method of the SX-70, eliminating the 'throw array' negative.

Describes the step-by-step sequence of operations during normal camera use and film processing.

Overview of troubleshooting approach, importance of understanding theory, and test procedures.

Outlines a systematic procedure for inspecting and testing the SX-70 camera for repair.

Provides instructions for using essential test equipment like power supply simulators and collimators.

Discusses viewfinder quality, alignment, and troubleshooting of optical components.

Overview of repair procedures, emphasis on experienced technicians, and cost-benefit analysis.

Details the removal, installation, and repair of the front cover and spread roll assembly.

Explains replacement of the mirror cover assembly due to damage, and color coding for older models.