Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online
17
HCD-C770/C990
3-16. RUBBER ROLLER (SLIDER) ASSY
3-17. TIMING BELT (FRONT/REAR)
qg
sub chassis
qf
screw
(BVTP2.6
×
8)
8
step screw
qs
step screw
5
step screw
9
tension
spring
(slider 2)
spring
(slider 2)
6
tension spring
(base slider 5)
(base slider 5)
3
tension spring
(base slider 5)
(base slider 5)
1
step screw
0
rubber roller
(slider 4) assy
(slider 4) assy
7
rubber roller
(slider 1) assy
(slider 1) assy
4
rubber roller
(slider 5) assy
(slider 5) assy
2
rubber roller
(slider S) assy
(slider S) assy
qa
rubber roller
(slider 2) assy
(slider 2) assy
qd
rubber roller
(slider 1) assy
(slider 1) assy
3
slider (mode cam) assy
5
two gears
(center)
(center)
7
two gears (center)
8
timing belt (rear)
timing belt
(rear)
(rear)
When install three timing belts,
its pass under each claws.
its pass under each claws.
9
timing belt (rear)
4
gear
(timing)
(timing)
2
gear (mode cam)
: Note
: Note
6
timing belt
(front)
(front)
1
screw
(PTPWH2.6
×
8)
timing belt
(rear)
(rear)
timing belt (front)
claw
claw
claw
claw
Note: Refer to assembly (Section 4)
18
HCD-C770/C990
8
screw
(PTPWH2.6
(PTPWH2.6
×
8)
1
screw
(PTPWH2.6
(PTPWH2.6
×
8)
9
cam
(eject lock)
: Note
(eject lock)
: Note
qs
gear
(eject lock)
(eject lock)
qd
gear
(mode 1)
(mode 1)
qg
two claws
0
screw
(PTPWH2.6
(PTPWH2.6
×
8)
ql
screw
(BVTP2.6
(BVTP2.6
×
8)
3
screw
(BVTP2.6
(BVTP2.6
×
8)
7
shaft
(shutter)
(shutter)
6
compression spring
(shutter)
(shutter)
4
two screws
(BVTP2.6
(BVTP2.6
×
8)
5
base (shutter) block
2
lever shutter (A)
w;
sensor board
qf
screw
(PTPWH2.6
(PTPWH2.6
×
8)
qh
rotary encoder
(S701)
(S701)
qj
claw
qk
harness
qa
cam
(BU U/D)
(BU U/D)
Note: Refer to assembly (Section 4).
1
screw
(PTPWH2.6
(PTPWH2.6
×
8)
3
screw
(PTPWH2.6
(PTPWH2.6
×
8)
7
screw
(PTPWH2.6
(PTPWH2.6
×
8)
9
screw
(PTPWH2.6
(PTPWH2.6
×
8)
qa
screw
(PTPWH2.6
(PTPWH2.6
×
8)
qs
cam (gear)
: Note
: Note
5
screw
(PTPWH2.6
(PTPWH2.6
×
8)
2
pulley
(mode deceleration)
(mode deceleration)
4
gear
(mode 5)
(mode 5)
8
gear (mode 3)
0
gear
(mode 2)
:Note
(mode 2)
:Note
6
gear (mode 4)
Note: Refer to assembly (Section 4).
3-18. CAM (GEAR)
3-19. SENSOR BOARD
19
HCD-C770/C990
• This set can be assembled in the order shown below.
4-1.
HOW TO INSTALL THE CAM (EJECT LOCK)
SECTION 4
ASSEMBLY
mark
cam (BU U/D)
cam (eject lock)
– bottom view • front –
gear (eject lock)
1
Rotate the cam (BU U/D) fully in the direction of arrow.
2
Engage the gear (eject lock) and the gear of the cam (eject lock)
aligning the mark with the center of the gear (eject lock).
aligning the mark with the center of the gear (eject lock).
4-2.
HOW TO INSTALL THE CAM (GEAR)
boss
cam (gear)
mark
cam (BU U/D)
– bottom view • front –
1
Check that the cam (BU U/D) can not be rotated in the direction of arrow.
2
Align the mark on the cam (gear) with the boss as shown in the figure
and install the cam (gear).
and install the cam (gear).
Ver 1.5
20
HCD-C770/C990
mark
B
slider (mode cam) assy
shaft
mark
A
mark
D
gear (mode cam)
cam (gear)
mark
C
1
Slide the shaft in the direction of arrow.
2
Align mark
A
on the gear (mode cam) with mark
B
on the slider (mode cam) assy,
then install the gear (mode cam).
3
Check that mark
C
on the gear (mode cam) is in alignment with mark
D
on the cam (gear).
– bottom view • front –
4-3.
HOW TO INSTALL THE GEAR (MODE 2)
4-4.
HOW TO INSTALL THE GEAR (MODE CAM)
– bottom view • front –
gear
(mode 2)
(mode 2)
rotary encoder
(S701)
(S701)
cam (BU U/D)
mark
projection
chassis
1
Align the mark on the rotary encoder (S701) with the projection of the assy.
2
Check that the cam (BU U/D) can not be rotated in the direction of arrow.
3
Install the gear (mode 2).
Ver 1.5
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