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JVC DR-DX5SEK Service Manual Page 12

Mini dv & hdd & dvd video recorder.
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4.2
Disassembly/assembly of the mechanism assembly
4.2.1 Introduction
The disassembly and assembly of the mechanism assembly should usually be performed in the ASSEMBLY mode.(Table 4-2-1)
Note that the mechanism is in the cassette in (C-IN) mode when the mechanism assembly is taken out of the set and that the C-IN
mode should be switched to the ASSEMBLY mode in this case.
To set the ASSEMBLY mode, apply 3 V DC to the electrodes on the upper part of the loading motor as shown in Fig. 4-2-7.
MODE
PARTS
[1]
ROTARY
[2]
ENCORDER
[3]
R. ENC
MAIN CAM GEAR
4.2.2 Mechanism modes
The mechanism has 6 modes as shown in Table 4-3-1. The current mode can be confirmed by the positioning of the " " marking on
the sub-cam gear and the " " marking on the mechanism. See the following figures (Figs. 4-2-1 to -6) for details.
Note:
• This mechanism assembly has another ASSEMBLY mode. However, this mode cannot be identified from the markings because
it corresponds to an intermediate position between the C-IN ( C ) mode and S-FF ( H ) mode. This mode can be confirmed by the
rotary encoder phase. See Fig. 4-2-7.
1. Checking the mechanism mode
[ C ] [ H ]
Fig.4-2-1
[ R ]
Fig.4-2-4
1-12 (No.YD085)
ASSEMBLY
C-IN
S. FF
-20
0
33.33
0
15
40
Table 4-2-1
LOADING END
166.66
140
[ H ]
Fig.4-2-2
[ S ]
Fig.4-2-5
PLAY
REV
STOP
193.33
226.66
273.33
160
185
220
[ P ]
Fig.4-2-3
[ F ]
Fig.4-2-6
FF/REW
306.66
245

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