
BRONICA - Bronica ETR Repair Manual
by BRONICAThis comprehensive Bronica ETR repair manual is an essential workshop reference for technicians and photography professionals servicing this classic medium-format camera. It delivers detailed step-by-step instructions covering mechanical troubleshooting and electronic repair—including camera body cover removal, film winding mechanism restoration, drive linkage adjustments, multi-exposure functionality, winding stopper spring failures, and main shaft setscrew calibration. Substantial sections address film release unit replacement, mirror arm adjustments, shutter blade mechanics, and electronic control circuit repair with full testing procedures. The guide also covers focusing screen adjustment, mirror component replacement, film gate assembly, counter dial diagnostics, film advance correction, frame interval adjustment, and spool clutch service. Detailed wiring diagrams throughout enable precise circuit fault identification and correction, while technical illustrations paired with comprehensive part reference numbers make this service manual invaluable for professional camera restoration, maintenance, and field servicing of the Bronica ETR system.
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