2015منتدى Steadi-Newbies
كهرباء كاميرا من خلال بطارية Steadicam سببت ضرراً بالشاشة بسبب أسلاك سلكية غير صحيحة
ما توصّل إليه النقاش
- Using an incompatible 3-pin lemo to DC cable to connect a camera to a Steadicam battery can create a short circuit that destroys connected equipment like the monitor
- Marshall brand monitors are particularly sensitive to polarity and lack short circuit protection, making them vulnerable to damage from miswired power cables
- Battery thermal fuses open between 10.25-14 amps during a dead short but may take 10-20 seconds to activate, allowing damage to downstream equipment before protection engages
- Battery pack thermal fuses protect the battery itself rather than connected sled equipment, creating a protection gap for devices plugged into the system
- Always purchase cables purpose-built for your specific camera and Steadicam setup rather than attempting generic solutions
- Marshall monitors that suffer short-circuit damage may be replaced free of charge by the manufacturer if contacted directly
- Batteries with built-in breakers provide better protection against short circuits than older models with only thermal fuses
يعتمد على
- The specific camera model involved was a Blackmagic cinema camera but the principle applies broadly
- Discussion focuses primarily on Marshall-branded monitors but advice may differ for other monitor manufacturers
- Exact specifications of the incompatible cable used were not documented
- Whether the user's battery had built-in breakers or only thermal fuses was not confirmed