Brand: FUJI
Category: Camera
Document Type:
Language: EN
Manual for ST-705
Uploaded: Aug. 9, 2025, 11:49 p.m.
Manual Publish Date: 1976-05-01
The manual details troubleshooting steps for common issues such as a non-deflecting meter needle, over/under exposure, light leaking, and film advance problems. It also provides comprehensive disassembly instructions for various camera components, including the top cover, amplifier assembly, shutter resistor assembly, lens mount, and focal plane shutter. The repair and adjustment section covers procedures like mirror alignment, exposure counter adjustment, and exposure meter calibration. Finally, a detailed parts list is included, with diagrams and part numbers for easy identification and ordering.
Troubleshooting and error codes
| Problem | Possible Cause | Solution |
| Meter needle does not deflect | Mercury battery | Replace |
| Battery chamber (corrosion, continuity) | Repair or replace | |
| Power switch | Repair | |
| Meter (wire breaking) | Replace | |
| Amplifier | See p. 86 | |
| Meter needle deflects continuously to the maximum | Amplifier (output voltage) | See p. 86 |
| Meter does not operate accordingly with selected aperture or shutter speed or changed brightness of object | Silicon photocell | Replace, p. 88 |
| Shutter resistor | Repair or replace, p. 88 | |
| F-value selector | Replace, p. 88 | |
| Amplifier | Replace, p. 86 | |
| Over or under exposure | Mercury battery (3.0 ± 0.2V) | Replace, p. 86 |
| Power switch (contact; short-circuiting) | Repair, p. 80 | |
| Amplifier | Replace, p. 86 | |
| Meter | Replace, p. 86 | |
| Shutter resistor | Repair or replace, p. 88 | |
| F-value selector | Repair or replace, p. 88 | |
| Silicon photocell | Replace, p. 88 | |
| Exposure meter | Adjust. | |
| Duplicate exposure | Sprocket (Prevention of reverse turn) | Repair, p. 32 |
| Film take-up ratchet | Repair, p. 30 | |
| Film is scarred or scratched | Coated side of film (projection in camera body) | Repair. |
| Base side of film (pressure plate; roller) | Repair or replace. | |
| Cassette | Repair or replace. | |
| Light leaking | Film and cassette (moquette and other light shielding parts) | See p. 94 |
| Actual photographing test | See p. 94 | |
| Film advance lever does not move | Lock/release mechanism | Repair, p. 80 |
| Shutter release | Repair, p. 48 | |
| Mirror does not come down | Mirror setting system (set/stop lever (4-149)) | Repair, p. 36 |
| Shutter blind starting system | Repair. | |
| Incorrect shutter speed | Shutter blind traveling velocity (12 msec.) | Repair, p. 48 |
| Shutter speed | Adjust, p. 50, p. 52 | |
| Flash does not synchronize | X-contact (time lag: 0.6 to 1.5 msec.) | Repair, p. 58 |