Canon EOS 20D Service Manual page 109

Repair Information
5) Parts for product reliability
Make sure that the following parts are attached.
Prevents short-circuit between devices.
Conductive tape for noise prevention
6) Dust cleaning of the imageing surface (LPF surface)
Make sure that DIA (Digital Image Analyzer) displays "PASS" in the dust check
when returning repaired products to users.
(1) DIA Software Guide:
Detects dust elements on designated image
and counts the number. Based on the
location, size and number of dust specs,
DIA judges "PASS" or "FAIL".
1. Take a picture
•
Shooting condition:
•
EF 50/1.8 lens
•
Av Priority AE (F22)
•
ISO 100, AEB
•
JPEG Large/Fine
•
Light Source (EF-1,8000 or Light Box)
2. Download an image to PC.
3. Open the JPEG file on DIA.
Fig. 003
Fig. 005
Prevents breaking of wires.
Fig. 004
2
Fig. 006