Polaroid Joshua Vision Service Manual page 3

Exposing the Picture ............................................................................................ 2-12
Blocking the Viewfinder ..................................................................................... 2-13
Releasing the Taking Mirror ................................................................................ 2-14
Processing the Exposed Frame ............................................................................ 2-16
Reseating the Taking Mirror and Opening the Viewfinder Blind ......................... 2-19
Special Cases ............................................................................................................. 2-23
Darkslide when Film Door is Opened and Closed ............................................... 2-23
Folding the Camera during a Processing Cycle .................................................... 2-24
Safety Clutch on Feed Roll .................................................................................. 2-24
System Schematic ...................................................................................................... 2-24
3. Testing and Adjustments ........................................................................................ 3-1
General ...................................................................................................................... 3-3
Required Equipment ............................................................................................ 3-3
Description of Equipment .................................................................................... 3-3
Testing ...................................................................................................................... 3-5
Ambient Exposure Test ....................................................................................... 3-5
Strobe Exposure Test ........................................................................................... 3-8
Adjustments .............................................................................................................. 3-10
Ambient Exposure Calibration ............................................................................ 3-10
Strobe Exposure Calibration ................................................................................ 3-12
4. Disassembly and Reassembly .................................................................................. 4-1
Introduction ............................................................................................................... 4-4
Special Tools and Equipment Needed ....................................................................... 4-4
Disassembly and Assembly Procedures ..................................................................... 4-5
Rear Panel ................................................................................................................. 4-5
Removal .............................................................................................................. 4-5
Disassembly ........................................................................................................ 4-5
Reassembly ......................................................................................................... 4-7
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