TC 1
Polaroid ProCamera
Service Manual
Table of Contents
Purpose of Manual ...................................................................................................................... TC-4
Manual Organization .................................................................................................................. TC-4
Other Documents Required for Service .................................................................................... TC-4
1. Description & Theory of Operation...................................................................................... 1-1
ProCam Unique Features ......................................................................................................... 1-3
ProCam General Features ........................................................................................................ 1-4
SPAR Thyristor Strobe ...................................................................................................... 1-4
ProCam Specifications ....................................................................................................... 1-5
Viewfinder ......................................................................................................................... 1-7
Audible Signals .................................................................................................................. 1-9
Quintic Lens System .......................................................................................................... 1-10
Exposure Control ............................................................................................................... 1-15
First Light Detect ............................................................................................................... 1-17
Dual Photodiodes............................................................................................................... 1-17
ProCam System Autofocus ................................................................................................ 1-18
Electronic Trim .................................................................................................................. 1-18
Film Speed Switch ............................................................................................................. 1-19
Camera Inhibits .................................................................................................................. 1-19
Date Module ...................................................................................................................... 1-20
Sequence of Operation............................................................................................................. 1-21
Starting Conditions ............................................................................................................ 1-21
Film Pack Inserted and Dark Slide..................................................................................... 1-22
Exposure Mode.................................................................................................................. 1-26
Film Processing and Cycle Advance .................................................................................. 1-31
ProCam Simplified Diagrams ................................................................................................... 1-33
Timing Diagram ................................................................................................................. 1-34
Simplified Sequence of Operation Chart............................................................................ 1-35
Signal Distribution Diagram............................................................................................... 1-36