
BRONICA - Bronica ETR Repair Manual
by BRONICAThis comprehensive repair manual provides detailed guidance for servicing and repairing the Bronica ETR camera system. Designed for technicians and photography enthusiasts, it includes step-by-step procedures for resolving common mechanical issues and electronic malfunctions. The document addresses critical topics including detachment of camera body covers, film winding mechanisms, drive linkage problems, multi-exposure operation, winding stopper spring failure, and main shaft setscrew adjustments. A substantial section covers film release unit exchanges and mirror arm adjustments. The manual also addresses shutter blade operation, electronic control circuit repair with specific testing and troubleshooting procedures, focusing screen adjustment, mirror reflexion exchange, and film gate assembly. Detailed wiring diagrams accompany the electronic sections, providing precise documentation for identifying and correcting circuit defects. An extensive list of specialized tools is provided for each repair procedure, supporting the work of qualified technicians. Additional coverage includes counter dial functionality, film advance issues, improper frame intervals, and spool clutch maintenance. The documentation combines technical illustrations with comprehensive part reference numbers, making it an essential resource for camera restoration and professional servicing.
Table of Contents:
- 1 Detachment of the Right Side Cover
- 2 Film Winding Cranks Comes Off
- 3 Multiple Exposure is not Possible (I)
- 4 Winding Action does not Stop (I)
- 5 Winding Crank is Very Loose
- 6 Winding Action is not Possible
- 7 Shutter Release Button cannot be Depressed
- 8 Multiple Exposure is not Possible (II)
- 9 Exchange of the Film Release Unit
- 10 Mirror is not Charged
- 11 Shutter Blades do not Open (I)
- 12 Adjustment of the Mirror Arm Adjusting Cam
- 13 Shutter Blades do not Open (II)
- 14 Detachment of the Left Side Cover, Add Shutter Speed Dial Stopper
- 15 Shutter Speed Becomes 1/500 Second
- 16 Relation of the Shutter Speed Dial
- 17 Detachment of the Lens
- 18 Lens can not be Detached
- 19 Shutter Release Button does not Return
- 20 Film Back can not be Connected
- 21 Action of the Main Switch Set
- 22 Wrist-Level Finder can not be Attached
- 23 Adjusting the Focus of the Focusing Screen
- 24 Reflex Mirror Light-Tight Plate
- 25 Exchange of the Reflex Mirror
- 26 Adjustment of the Mirror Frame to 45°
- 27 Wiring Diagram (II)
- 28 Wiring Diagram (III)
- 29 ETR Electronic Control Circuit Repair
- 1 Detachment of the Left and Right Magazine Side Cover
- 2 Spool Holder does not Close
- 3 Counter Dial does not Advance
- 4 Adjusting Film Start
- 5 Counter Dial does not Return
- 6 Winding Action does not Stop (III)
- 7 Improper Frame Interval
- 8 Film is not Advanced
- 9 Unusual Noise with Winding Action
- 10 Others
- 11 Film Gate (I), (II)
- 1 Shutter Blades do not Open (III)
- 2 Preset Action can not be Confirmed
- 3 Exchange of the Shutter Assembly
- Tool list
Documentation must be downloaded on a computer (PC, Mac, or Linux).
Do not use a smartphone or tablet to download documentation; they generally lack sufficient memory capacity to handle large files, and few users know how to locate the download folder on these devices.
Once downloaded, you can use it right away and even print the pages you need, or use your smartphone in photo mode to translate into the language of your choice: Google Translate
Document Details
- Format
- Pages
- 48
- Size
- 876.4 KB
- Category
- Photography