Description Of Operation; Description Of Structure - Hitachi DZ-GX20MA Service Manual

3

Description of Operation

3-1 Description of Structure

(1) Differences in structure between DZ-GX20MA/MV780MA and DZ-MV750MA
The following three structures are different, and the following differences are the same as those
differences between DZ-GX20A/MV780A and DZ-MV730A:
1) L case, R case, front case and lens cover
As shown in Fig. 3-1-1, the external appearances of DZ-GX20MA and DZ-MV750MA are very
similar, with only the DZ-MV780MA being different: Only for DZ-MV780MA, the shapes of L
case, R case, front case and lens cover are different, and their assembly method is different, too.
2) Accessory shoe
The accessory shoe of DZ-GX20MA/MV780MA has a power/control terminal, but the accessory
shoe of DZ-MV750MA doesn't, and so the DZ-MV750MA does not have an SHE-H/SHE-M circuit
board.
3) Camera block
The size and shapes of the camera blocks on DZ-GX20MA/MV780MA and DZ-MV750MA are
different because of differences in CCD image sensor and lens unit.
External
Camera
Block
DZ-GX20MA
Fig. 3-1-1 Differences in Structure
3 - 1
DZ-MV750MA DZ-MV780MA