1. Introduction
This manual provides essential information regarding the replacement shutter curtain blade for various Sony Alpha A7 series mirrorless cameras. This component is a critical part of the camera's shutter mechanism, responsible for controlling light exposure to the sensor. Due to the intricate nature of camera repair, installation of this part requires advanced technical skills and specialized tools. It is highly recommended that replacement be performed by experienced technicians.
2. Product Overview
The shutter curtain blade is a precision-engineered replacement part designed to restore the functionality of your camera's shutter mechanism. It is compatible with a range of Sony ILCE A7 series cameras.
2.1. Product Variants
The shutter curtain blade is available in different configurations, typically referred to as Type A and Type B, which correspond to specific camera models or shutter designs. Please carefully identify the correct type required for your camera before proceeding with installation.
Note for non-visual users: Figure 1 (Type A) shows a shutter blade assembly with a specific linkage design. Figure 2 (Type B) shows a similar assembly but with a visibly different linkage mechanism at the top-left corner, indicating distinct designs for different camera models. It is crucial to match the replacement part to the original component's design.
Note for non-visual users: Figure 3 displays both Type A and Type B shutter blade assemblies side-by-side, with Type B positioned above Type A. This allows for a direct visual comparison of their structural differences, particularly in the linkage arms.
3. Specifications
| Attribute | Detail |
|---|---|
| Compatible Brand | SONY |
| Compatible Camera Style | Mirrorless Cameras |
| Model Numbers | ILCE A7M2, A7r2, A7S2, A7M3, A7R3, A7S3, A7M4, A7R4, A7II, A7III, A7IV, A7K |
| Material | Plastic |
| Package | Yes |
| Package Dimensions (L x W x H) | 12 cm x 7 cm x 6 cm |
| Package Weight | 0.05 kg |
4. Setup and Installation
WARNING: Installation of this shutter curtain blade requires advanced technical expertise and specialized tools. Attempting to install this part without proper knowledge and equipment can result in permanent damage to your camera. It is strongly recommended that this procedure be performed by a qualified camera repair technician.
4.1. Pre-Installation Checks
- Verify Compatibility: Ensure the purchased shutter blade type (A or B) precisely matches the original part from your specific Sony A7 series camera model. Refer to the product images in Section 2.1 for visual identification.
- Gather Tools: Prepare all necessary precision tools, including screwdrivers, spudgers, tweezers, and anti-static equipment.
- Work Environment: Perform the installation in a clean, dust-free, and well-lit environment to prevent contamination and loss of small components.
4.2. Installation Procedure (General Guidelines)
The following steps are general guidelines. Always refer to a detailed service manual specific to your camera model for precise instructions.
- Power Off and Remove Battery: Ensure the camera is completely powered off and the battery is removed to prevent electrical damage.
- Disassembly: Carefully disassemble the camera body, removing the lens, front and rear covers, and any other components obstructing access to the shutter unit. Document each step and organize removed screws and parts.
- Shutter Unit Removal: Disconnect any flex cables and carefully remove the entire shutter unit from the camera chassis.
- Blade Replacement: Within the shutter unit, meticulously replace the damaged shutter curtain blade with the new one. This often involves delicate manipulation of springs and linkages.
- Reassembly: Reassemble the shutter unit and then the camera body in reverse order of disassembly, ensuring all connections are secure and no parts are left over.
- Testing: After reassembly, perform thorough functional tests of the camera, including shutter operation, exposure, and image quality, before full use.
5. Operating the Shutter Blade
The shutter curtain blade is an internal mechanical component of your camera's shutter assembly. It operates automatically as part of the camera's exposure system. There are no direct user controls for the shutter blade itself. Its proper function is integral to the camera's ability to capture images correctly.
6. Maintenance
The shutter curtain blade itself requires no routine user maintenance. Its longevity is primarily dependent on proper installation and careful handling of the camera. To ensure the overall health of your camera and its internal components:
- Avoid exposing the camera to excessive dust, moisture, or extreme temperatures.
- Handle the camera gently to prevent physical shocks that could damage delicate internal mechanisms.
- If cleaning the camera's sensor, ensure the shutter remains closed or in a service mode to protect the blades.
7. Troubleshooting
If your camera exhibits issues related to the shutter mechanism after replacing the blade, consider the following:
- Shutter Not Firing/Stuck: This often indicates incorrect installation, improper alignment of the new blade, or damage to other parts of the shutter mechanism during the repair process.
- Exposure Problems (Over/Under-exposed): May suggest that the shutter blades are not opening or closing correctly or consistently, possibly due to misalignment or friction.
- Error Codes: Specific error codes displayed on the camera's LCD may point to a shutter malfunction. Consult your camera's official service manual for error code interpretations.
Given the complexity of this repair, any persistent issues after installation strongly suggest that the camera should be inspected by a professional repair service.
8. User Tips
- Professional Installation: Always prioritize professional installation for critical camera components like the shutter blade. The seller, LIJIAN, has over 10 years of experience in digital camera repair, indicating the specialized nature of this work.
- Pre-Tested Parts: The seller confirms that all parts are tested and verified to be working well before shipment. This ensures you receive a functional component, reducing the risk of receiving a faulty part.
- Bulk Purchases: If you require multiple units, contact the seller for potential discounted pricing.
9. Warranty and Support
For any issues or inquiries regarding your purchase, the seller maintains a strong customer service team ready to provide quick responses. Please reach out to them directly for support.
This product is intended as a replacement part for repair. Specific warranty terms for the part itself may vary. Please consult the seller or your purchase documentation for detailed warranty information.





