Polaroid SX70 manual Viewing and shooting

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Figure 1-8 Viewing and shooting

shutter to initiate a series of events. The shutter blades close to cut off the optical path. The hinged Fresnel viewing screen is swung upward and comes to rest in front of the fixed viewing mirror (Figure 1-8 B).

The shutter opens and closes to perform the exposure function.

A first-surfaced taking mirror is fastened to the underside of the Fresnel carrier assembly.

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Contents Page Page General Description DescriptionOpening the Camera Camera OperationStarting the Automatic Mechanism Loading the Film packViewing and focusing Setting the exposure counterViewing and shooting Completing the film pack Exposures using flashDeveloping the print Closing the camera Shutter Description Ambient Light Mode11 a Location & Arrangement of internal parts Shutter Description Flash Mode Page 14 S5 being opened by the recock ram Gear train Page Viewing and Exposing System Power SourceIntroduction LensViewfinder optics exposing Fresnel Figures 2-3 a and 2-3 BFresnel screen Camera Elctronics 1. General ViewfinderMirrors Flare baffleSX-70 Switch locations Switch functionsS3 Being opened by recock ram S4 Switch operating configurations Function Sequence Switch Function TablePage Flash Timing Sequence Chart Shutter, exploded view Shutter Mechanical Details FigureA Solenoid S2 operation Sequence of Operations Film Processing ComponentsPage Max Introduction Initial Tests III TroubleshootingSX-70 Cmaera Repair Inspection Procedure Test Equipment Operation Power supply and pack simulator FigureLocation of new collimator target Collimator FigureDisengaging the idler gear Comprehensive tester Comprehensive Testers -6Model B Camera tester Model B Camera Tester Light Leak Tester Figure Comparalumen Light Levels TableLight leak test system Flash Simulator Board Figure10 Manual camera tester Manual Function Tester FigureManual Function Test Sequence Exit Pupil Test Optical System13 Aligning the exit pupil gage Entrance Pupil TestCollimation USE of Analysis ChartsConcave Mirror Distortion Check Fresnel Quality Check16 Fresnel standards chart 18 Flex circuit terminal locations Camera/Shutter Isolation19 Test points on SX-70 shutters Camera Analysis ChartsPage Installation Front COVER/SPREAD Roll AssemblyRemoval Front cover hinge studs Repairs / Adjsutments Loose Front CoversBending the stop latch Top Spread Roll Looseness Interference Between Front and Bottom CoversReplacing the Light Shield Cam Front cover light shield cam Mirror Cover / Boot AssemblyBoot retaining screws