Brand: Zenza
Category: Cameras
Document Type:
Language: EN
Manual for ETRS
Uploaded: Aug. 9, 2025, 11:44 p.m.
This manual provides detailed instructions for the repair and maintenance of the Zenza Bronica ETR camera. It covers various troubleshooting procedures, including film winding issues, shutter operation problems, multiple exposure malfunctions, and lens detachment difficulties. Each section includes step-by-step instructions with corresponding diagrams and part numbers for easy identification and replacement. The manual also details specific adjustments, such as focus screen adjustments and shutter speed settings, along with a comprehensive tool list for servicing the camera. Additionally, it explains the exchange of various components like the film release unit, mirror, and shutter assembly, ensuring users can perform necessary repairs effectively.
Troubleshooting and error codes
| Problem Description | Page |
|---|---|
| 1 Detachment of the Right Side Cover | 1 |
| 2 Film Winding Cranks Comes Off | 2 |
| 3 Multiple Exposure is not Possible (I) | 3 |
| 4 Winding Action does not Stop (I) | 4 |
| 5 Winding Crank is Very Loose | 5 |
| 6 Winding Action is not Possible | 6 |
| 7 Shutter Release Button cannot be Depressed | 6 |
| 8 Multiple Exposure is not Possible (II) | 7 |
| 9 Exchange of the Film Release Unit | 8 |
| 10 Mirror is not Charged | 9 |
| 11 Shutter Blades do not Open (I) | 10 |
| 12 Adjustment of the Mirror Arm Adjusting Cam | 10 |
| 13 Shutter Blades do not Open (II) | 11 |
| 14 Detachment of the Left Side Cover, Add Shutter Speed Dial Stopper | 12 |
| 15 Shutter Speed Becomes 1/500 Second | 13 |
| 16 Relation of the Shutter Speed Dial | 13 |
| 17 Detachment of the Lens | 14 |
| 18 Lens can not be Detached | 15 |
| 19 Shutter Release Button does not Return | 16 |
| 20 Film Back can not be connected | 17 |
| 21 Action of the Main Switch Set | 18 |
| 22 Waist-Level Finder can not be Attached | 19 |
| 23 Adjusting the Focus of the Focusing Screen | 20 |
| 24 Reflex Mirror Light-Tight Plate | 21 |
| 25 Exchange of the Reflex Mirror | 22 |
| 26 Adjustment of the Mirror Frame to 45° | 23 |
| 27 Wiring Diagram (I) | 24 |
| 28 Wiring Diagram (II) | 25 |
| 29 ETR Electronic Control Circuit Repair | 26 |
| 1 Detachment of the Left and Right Magazine Side Cover | 29 |
| 2 Spool Holder does not Close | 30 |
| 3 Counter Dial does not Advance | 31 |
| 4 Adjusting Film Start | 31 |
| 5 Counter Dial does not Return | 32 |
| 6 Winding Action does not Stop (II) | 33 |
| 7 Improper Frame Interval | 33 |
| 8 Film is not Advanced | 34 |
| 9 Unusual Noise with Winding Action | 34 |
| 10 Others | 35 |
| 11 Film Gate (I), (II) | 36 |
| 1 Shutter Blades do not Open (III) | 39 |
| 2 Preset Action can not be Confirmed | 40 |
| 3 Exchange of the Shutter Assembly | 41 |
| Tool list | 42 |