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PROBLEM | PROBABLE CAUSE | CORRECTIVE ACTION | LED does not light | NOTE: If strobe does not function, see Strobe Failures. | | | | 1. LED shorted at PC board. | 1. Correct short. | | | 2. LED not installed properly on PC board. | 2. Install LED properly. | | | 3. LED defective. | 3. Replace LED/PC board. | | | 4. Flex circuit defective. | 4. Replace flex. | | | 5. Strobe PC board defective. | 5. Replace strobe. | | | 6. Film battery dead/film pack absent. | 6. Insert fresh film pack. | Light leaks in picture | 1. Light seal on cone missing. | 1. Install cone light seal. | | | 2. Baseblock photographic tape light seal missing. | 2. Install photographic tape on baseblock. | | | 3. Mirror cover light seal not positioned properly. | 3. Install mirror cover light seal properly. | | | 4. Film pack spring defective. | 4. Replace pack spring. | Close-Up Lens Does Not Function Properly | 1. Lens return spring missing or out of position. | 1. Install spring properly. | | | 2. Shuttle binding in apron guide rails. | 2. Install shuttle properly. | | | 3. Close-up lens not riding in apron rails properly. | 3. Install lens properly. | | | 4. Return spring tab broken. | 4. Replace lens panel. |
Additional 600-line Camera Troubleshooting help from Product Alerts and RIBs NOTE: Many of the problems and fixes described below were temporary solutions, later permanently corrected by design/manufacturing changes. Thus the repair material described below may or may not be present in or applicable to a later version of the camera. Subject Bulletin # Date Troubleshooting Update - 600 line cameras 600AM #46 3/36/84 Exposure Flex Photocell movement Trapped Shuttle in CU lens 600AM #92-35 10/27/92 Continuous cycle from angled film pack Strobe LEDs: red only; red & green; green only 600AM #83 10/31/87 Hybrid 2-LED Strobe PC Boards 600AM #92-22 3/26/92 Low-cost, one green LED Strobe 600AM #91-17 12/16/91 No strobe charge from dirty S10 contacts 600AM #48 5/2/84 Black/dark pictures from light leaks to photodiode 600AM #93-40 1/18/93 Black pictures from light leak behind strobe 600AM #95-45 7/9/95 Streaked pictures from apron light leaks 600AM #78 8/13/87 Continuous cycling from Contact Support Block 600AM #91-16 12/16/91 Release Button-Door Latch clearance problem 600AM #91-6 5/28/91 Oxidation on flex circuit solder pads 600AM #96 12/11/89
SECTION 6 - 636 CAMERA TESTING WITH THE STAR TESTER CONTENTS Page A. Test Specifications for Model 636 Camera 86 B. Graywall Preparation 86 C. Setting Up the Model 12650-2 Star Tester 88 D. Star Tester Controls and Indicators 92 E. Testing the Model 636 Camera: 95 1. Pretest procedures 95 2. Order of Model 636 tests 95 3. Model 636 Test procedures: a. Flash Timing 96 b. Ambient Exposure 97 c. Strobe Exposure (Graywall) 98 d. ZLS Output 99 F. Camera adjustments (correcting out-of-spec test results): 1. Flash Timing 100 2. Ambient Exposure 101 3. Strobe Exposure 102 G. Calibrating the Model 12650-2 Star Tester 105
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