Here's a very good general camera repair shop, especially good for older cameras that aren't supported by the original manufacturer any more.
Camera Repair Centre
Champagne Court
Kimberley Road
Tsim Sha Tsui
The entrance of the Champagne Court arcade is near the corner of Nathan Road and Kimberley Road, just a few steps beyond the Hotel Mira. The Camera Repair Centre is at the back of the arcade. Here's a map:
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Nikon Hong Kong Service Centre:
http://en.nikon.com.hk/pagearticle.php?pageid=56-93dcc3eac2
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Canon Hong Kong Customer Care Centre:
http://www.canon.com.hk/en/support/home/
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Sony Customer Service Centres:
http://www.sony.com.hk/service/map/map_e.jsp#cwb
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Pentax Service Centre:
Jebsen & Co., Ltd.
10/F,Continental Building, 17 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.
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