Canon BW Voice Guidance Board-A1, Service Manual

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Chapter 2
2-4
F-2-3
2) Mount the speaker unit upper cover [1] to the speaker unit lower cover you mounted in step 1); then, secure it in
place from under with the included screw (M4X6) [2].
F-2-4
2.3.3 Mounting the Voice Board
0009-3381
1) Open the cable clamp [1], and disconnect the reader communications cable [2].
F-2-5
2) Remove the 6 screws [1], and detach the upper rear cover [2].
[1]
[2]
[2]
[1]
[2] [1]