Sony DSR-570WS, Service Manual

Page: 124 / 250

6-6 DSR-570WS/570WSP V1
6-3. Replacement of Drum
Assembly
Reel table position: Standard cassette position
Mode: Unthreading end
Replacement Flowchart
Removal
1. Remove the SV-213 board. (Refer to 2-9-8.)
2. Remove the HN-227 board. (Refer to 2-9-9.)
3. Remove the capstan motor. (Refer to 6-28.)
4. Disconnect the harness shown in the figure from
the connector (CN771) of the RP-91 board.
5. Remove the three screws and remove the drum
assembly.
Attachment
6. Adjust the holes of the new drum assembly to the
two protrusions shown in the figure, and attach
using three screws.
. Tightening torque: 0.0294 N . m (0.3 kg . cm)
n
When attaching, do not touch the tape path side
of the drum to prevent it from scratching and
becoming dirty.
7. Attach the removed parts in the reverse order of
steps 1 to 4.
Removal of SV-213 board
Removal of HN-227 board
Removal of capstan motor
Replacement of drum assembly
Cleaning roller operation check
Capstan FG DUTY adjustment
Tracking adjustment
Check after tracking adjustment
Check of self-recording tape playback
Switching position adjustment
AUTO EQ adjustment
Protrusion
RP-91 board
(CN771)
Screws
Drum
assembly
Protrusion
Check/Adjustment
8. Perform the cleaning roller operation check. (Refer to step 3 in
the Section 6-21.)
9. Perform the capstan FG DUTY adjustment at the Menu M601.
(Refer to Section 10-2-1.)
10. Perform the tracking adjustment. (Refer to Section 7-3.)
11. Perform the check after tracking adjustment.
(Refer to Section 7-4.)
12. Perform the check of self-recording tape playback.
(Refer to Section 7-5.)
13. Perform the switching position adjustment at Menu M605.
(Refer to Section 7-6.)
14. Perform the AUTO EQ adjustment at the Menu M704.
(Refer to Section 10-3.)