Sony CDX-M850MP Service Manual ▷ View online
13
CDX-M850MP
2-10. SHAFT ROLLER ASSY, LOAD SW BOARD
2-11. FLOATING BLOCK ASSY
• When installing, take note of the positions
arm (roller) and washers. (Fig. 1)
Fig. 1
1
tension spring (RA)
2
arm (roller)
3
retaining ring (RA)
4
shaft retainer (roller)
5
shaft roller assy
shaft retainer (roller)
shaft retainer (roller)
retaining ring (RA)
arm
arm
washer
washer
6
special screw
7
LOAD SW board
1
tension spring (KF1)
7
compression spring (FL)
8
compression spring (FL)
6
floating block assy
5
Turn loading ring in the
direction of the arrow.
4
Fit lever (D) in the direction of the arrow.
2
damper (T)
3
damper (T)
14
CDX-M850MP
2-12. OPTICAL PICK-UP BLOCK
3
P 2x3
1
P 2x3
2
sled motor assy (M902)
5
optical pick-up (KSS-721A)
7
PICK-UP FLEXIBLE board
4
plate spring (feed)
6
shaft (feed) assy
15
CDX-M850MP
cam (L)
arm (A-L) assy
arm (B-L) assy
C
A
B
3
type-E stop ring 1.5
hole (large)
line
SECTION 3
PHASE ALIGNMENT
3-1. ARM (A-L) ASSY, ARM (B-L) ASSY
3-2. CAM (L)
1
Move the arm (B-L) assy in the direction of the
arrow
arrow
A
and the arm (A-L) assy in the direction of
the arrow
B
fully (full open state).
2
Align the hole (large) on the cam (L) with part
C
and
install the cam.
4
Turn the cam (L) clockwise and counterclockwise to
verify that both the arms are operated.
verify that both the arms are operated.
4
type-E stop ring 1.5
2
type-E stop ring 1.5
1
arm (B-L) assy
3
arm (A-L) assy
bracket (L) assy
16
CDX-M850MP
3-3. MOTOR BLOCK
3-4. ALIGNMENT BETWEEN ARM (A-L) ASSY
AND ARM (B-L) ASSY
AND ARM (B-L) ASSY
1
Turn the cam (L) and position the cam so that part
A
does not touch the SW board SW900.
1
Input 9V DC to the motor terminal until the cam (L)
stops rotating.
Take care to avoid overload of the motor.
stops rotating.
Take care to avoid overload of the motor.
2
Verify that the arm (A-L) assy and arm (B-L) assy
are positioned as shown below (full open).
3
PTT 2.6x6
4
PTT 2.6x6
5
PTT 2.6x6
2
motor block
SWITCH board
SW900
cam (L)
A
motor
GND
arm (B-L) assy
arm (A-L) assy
DC 9V
+B
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