Test Procedures - Polaroid 636 Repair Manual

3. Test Procedures:

Model 636 Flash Timing Aperture The purpose of
this test is to measure blade aperture at the
point of flash fire.
DETAILED PROCEDURE
1. Turn the test selector switch to
Ft and BB APERTURE.
2. Flip the MODE switch to APERTURE.
3. Plug the strobe/flash detector
fixture #12790 into the B-600
jack as shown in Figure 2. Install
the strobe detector clip over the
camera strobe.
4. Set the light source selector to
100 cd/sq ft.
5. Install the door pawl closure
#12082 in the camera and set the
camera on the horn. (RESET) Align
the camera in front of the light
source.
6. Cover the camera photocell with
finger and press S10/S1 until
strobe fires.
7. When strobe fires, record reading
shown on Relative Error in Stops
meter. Compare the reading to
the specification.
8. Repeat steps 6 and 7 two more
times to insure accurate reading.
9. If reading is not within specifi-
cation, refer to Adjustments.
SUMMARY
1. Selector to FT and BB
APERTURE.
2. Mode switch to APERTURE.
3. Plug in strobe/flash
detector. Install detector
clip on camera.
4. Light source to 100
cd/sq. ft.
5. Install door pawl
closure. Set camera on
horn in front of light
source.
6. Cover photocell, fire
strobe.
7. Compare reading to spec.
8. Repeat steps 6 & 7 twice
9. If out of spec, see Adjustments.
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