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Joshua Vision
Polaroid Joshua Vision User Manual
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5 - 4
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113
Table of Contents
Default Chapter
2
Table of Contents
2
1 Description
7
Introduction
9
Description
9
Unique Joshua Differences
10
In-Camera Picture Storage
10
In- Camera Picture Storage
10
Compact Camera Size
11
Unique Microprocessor Controlled Exposure System
13
Using the Camera
16
Loading Film
16
Erecting Camera
16
Taking Picture
17
Brightness Adjustment and Self-Timer
18
Major Functional Sub-Systems of the Joshuacamera
19
Erecting, Viewfinder and Camera Optical System
19
Major Functional Sub-Systems of the Joshua Camera
19
Drive and Switching System
22
Shutter System
24
Film Frame Transport and Spreading
27
Specification Summary
29
2 Theory of Operation
33
Sequence of Operation
35
Stages of Operation
35
Loading Filmpack into Erected or Folded Camera
35
Theory of Operation
35
Appendix
35
Powering Camera When Film Door Is Closed, Latched and then Erected
40
Maintaining Power for Processing after Camera Is Folded
41
Darkslide Transport and Counter Wheel Indexing
43
Exposing the Picture
44
Blocking the Viewfinder
45
Releasing the Taking Mirror
46
Processing the Exposed Frame
48
Reseating the Taking Mirror and Opening the Viewfinder Blind
51
Special Cases
55
Darkslide When Film Door Is Opened and Closed
55
Folding the Camera During a Processing Cycle
56
System Schematic
56
3 Testing and Adjustments
59
General
61
Required Equipment
61
Description of Equipment
61
Testing and Adjustments
61
Testing
63
Ambient Exposure Test
63
Strobe Exposure Test
66
Adjustments
68
Ambient Exposure Calibration
68
Strobe Exposure Calibration
70
4 Disassembly and Reassembly
73
Introduction
76
Special Tools and Equipment Needed
76
Disassembly and Assembly Procedures
77
Rear Panel
79
Reassembly
79
Reassembly
80
Removal
80
Front Panel
80
Removal
81
Reassembly
81
Left Hand Grip and Bottom Chute Cover
81
Reassembly
82
Bottom Chute Cover
82
Disassembly
83
Reassembly
83
Right Hand Grip
83
Disassembly
84
Removal
84
Bottom Door Assembly
84
Reassembly
89
Shutter Assembly
90
Shutter Assembly
93
Disassembly
94
Reassembly
99
Disassembly
100
Erect System (VMC/Bellows and Taking Mirror Carrier Assemblies)
100
Reassembly
102
Main Frame (Non-Gear Side)
103
Disassembly
103
Reassembly
104
Main Frame (Gear Side - Outer)
105
Disassembly
105
Reassembly
106
Main Frame (Gear Side - Inner)
107
Disassembly
107
Reassembly
107
5 Troubleshooting
111
Tools and Parts Needed for Troubleshooting
115
Common Camera Failure Modes and Corrective Procedures
116
Isolating the Problem (Camera Mainframe or Shutter Assembly?)
120
Glossary of Terms to Describe the Joshua Cameras
126
4
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Polaroid Joshua Vision Specifications
General
Brand
Polaroid
Model
Joshua Vision
Category
Film Camera
Language
English
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