4-45
DSR-300/P(E)/V1
4-33. REPLACEMENT OF MIC
ASSEMBLY
Reel table position: Center of the standard cassette
position and mini cassette
position
Replacement Flowchart
Removal
1. Remove the reel lock arm.
(Refer to Section 4-26.)
2. Remove the reel lock cover.
(Refer to Section 4-26.)
3. Remove the SV-164 board.
(Refer to Section 2-11-8.)
4. Rotate gear M of the shift motor, and move the
MIC lever to the position shown in the figure.
5. Remove the screw of the rack case.
6. Lift up the MIC lever slightly, rotate the MIC
assembly in the arrow direction and slide it, then
further lift up the rack case slightly and remove
it.
Attachment
7. Attach the MIC assembly in the reverse order of
steps 4 to 6.
8. Attach the parts removed in the reverse order of
steps 1 to 3.
Check
9. After replacing, perform the phase check of each
gear as follows.
.
Insert the reference pin into the gear hole
shown in the figure, and check that it goes into
the hole on the chassis.
Removal of reel lock arm
Removal of reel lock cover
Removal of SV-164 board
Removal of one rack case screw
Replacement of MIC assembly
MIC assembly
Protrusion
MIC assembly
Gear M
(Shift motor)
MIC lever
Rack case
Screw (Rack case)
Rear side
Front side
Screws
(Rack case)
Reel driving gear A
assembly
Screw
(Rack case)
Reel driving gear B
assembly
MIC lever
Rack gear
Rack case
The insertion holes of the standard pin.
The holes of the phase adjusting.
Gear E