Sharp CD-BA3100 (serv.man3) Service Manual ▷ View online
CD-BA3100H
– 22 –
Mark position
37
°
33
32
30
TRAY DRIVE GEAR F
TRAY DRIVE GEAR F
35
TRAY JOINT GEAR F
TRAY JOINT GEAR F
02
CHANGE BOX L
CHANGE BOX L
< Importance >
Direct the recess part
(trapezoidal side) of the
axis 35 in this direction.
Direct the recess part
(trapezoidal side) of the
axis 35 in this direction.
*2
*1: To position the axis part
of 35, engage it with 33.
*2: When it is aligned as
described in *1, the hatched part
(low gear-height part of gear)
will be positioned as shown.
of 35, engage it with 33.
*2: When it is aligned as
described in *1, the hatched part
(low gear-height part of gear)
will be positioned as shown.
Since this gear engagement is not
visually checked, verify that it does
not float when the gear box L is installed.
visually checked, verify that it does
not float when the gear box L is installed.
30
TRAY DRIVE GEAR F
TRAY DRIVE GEAR F
35
TRAY JOINT GEAR F
TRAY JOINT GEAR F
*1
43
41
40
LIFT
CAM
LIFT
CAM
Scale: 2 magnifications
44
11
TRAY JOINT GEAR F
(CHANGE BOX L ASS'Y) ASSEMBLING POSITION
LIFT CAM
(CHANGE BOX L ASS'Y) ASSEMBLING POSITION
LIFT CAM
Assembling procedure
1. Turn the mode big gear approx. 37 degrees in the arrow direction.
2. Assemble the change box L ass'y.
Note: At this time, the tray joint gear F must be located in the position shown in figure.
Moreover, the gear must be engaged securely.
2. Assemble the change box L ass'y.
Note: At this time, the tray joint gear F must be located in the position shown in figure.
Moreover, the gear must be engaged securely.
3. After assembly, return the mode big gear to the initial position.
4. Assemble the lift cam.
Note: At this time, the lift cam (No.40) must be located in the position shown in figure 22.
4. Assemble the lift cam.
Note: At this time, the lift cam (No.40) must be located in the position shown in figure 22.
47
46
10
45
42
LIFT GEAR A
28
L
40
LIFT CAM
LIFT CAM
Scale: 2 magnifications
During assembly, make the
O part visible in this direction.
O part visible in this direction.
Note: Among 4 ribs on the
circumference, one rib alone
is provided with O.
circumference, one rib alone
is provided with O.
< Importance >
30
TRAY DRIVE GEAR F
TRAY DRIVE GEAR F
35
TRAY JOINT GEAR F
TRAY JOINT GEAR F
Figure 22
– 23 –
CD-BA3100H
Figure 23
Adjusting procedure
1. Turn the mode big gear approx. 37 degrees in the arrow direction.
2. Viewing from the front side of the mechanism, verify that the guide ribs
(CHANGE BOX L/R and STB HOLDER)of tray are as tall as each other.
3. If they are not, bend the lever for adjustment. (Refer to the details.)
Note: Also apply the same adjustment on the R side.
2. Viewing from the front side of the mechanism, verify that the guide ribs
(CHANGE BOX L/R and STB HOLDER)of tray are as tall as each other.
3. If they are not, bend the lever for adjustment. (Refer to the details.)
Note: Also apply the same adjustment on the R side.
STB HOLDER HEIGHT ADJUSTING METHOD
47
46
10
11
45
42
LIFT GEAR A
43
41
32
35
40
44
33
30
Mark position
80
TOP PLATE F
TOP PLATE F
37
°
(121)
OS LEVER
OS LEVER
Bend this portion to adjust the STB HOLDER
When high
(Narrow the gap.)
When low
(Broaden the gap.)
(Broaden the gap.)
Adjustment procedure
1. Rotate the MODE BIG GEAR by 37
1. Rotate the MODE BIG GEAR by 37
°
in the arrowed direction.
2. Check that the guide ribs (CHANGE BOX L/R and STB HOLDER) on the arrowed
TRAY are at the same height when looked from the front.
3. If they are not, bend the OS LEVER to adjust them. (Refer to the detail drawing.)
Note: Adjust the R portion in the same procedure.
TRAY are at the same height when looked from the front.
3. If they are not, bend the OS LEVER to adjust them. (Refer to the detail drawing.)
Note: Adjust the R portion in the same procedure.
02(102) CHANGE BOX L RIB
03(147) STB HOLDER RIB
03(147) STB HOLDER RIB
04(103) CHANGE BOX R RIB
CD-BA3100H
– 24 –
Measure to be taken when a disc cannot be removed due to a mechanism trouble
First, remove the mechanism unit section from the set, and check for the state of the disc.
(Remove the top plate R if necessary.)
<State of the disc>
(1) When the disc is in the normal PLAY (chucking) position
(Remove the top plate R if necessary.)
<State of the disc>
(1) When the disc is in the normal PLAY (chucking) position
→
Try to eject the disc by turning the mode big gear/tray big gear
manually.
* At this time, be sure to adjust the tray's position (height).
* At this time, be sure to adjust the tray's position (height).
(2) When the disc is in the normal STOCK position
→
Try to eject the disc by turning the tray big gear manually.
* At this time, be sure to adjust the tray's position (height).
* At this time, be sure to adjust the tray's position (height).
(3) When the disc is not in the normal position
→
The tray or disc is not in the normal position.
(The tray or disc may catch somewhere.)
(The tray or disc may catch somewhere.)
↓
Remove the TOP PLATE F/DISC OB lever.
Unlock the tray lock lever and pull out the tray which is not caught.
Move the caught tray or disc and remove the disc.
Unlock the tray lock lever and pull out the tray which is not caught.
Move the caught tray or disc and remove the disc.
In case of (1) and (2), the mechanism is normal (defective circuit parts, etc.). However, it may stop somewhere.
This is the reason why you should try to turn the tray big gear first.
In case of (3), either of the big gears does not turn.
This is the reason why you should try to turn the tray big gear first.
In case of (3), either of the big gears does not turn.
Figure 24
L
91~96
TRAY1~TRAY6
TRAY1~TRAY6
Mark position
Be sure to assemble the tray into this position.
Be sure to assemble the tray into this position.
32
Insert it along the guide of
the change box.
the change box.
Rear
side
side
33
30
35
TRAY No.1~6
Rear surface: Stamped.
Rear surface: Stamped.
Note: During insertion,
Do not accidentally rearrange
tray numbers.
Do not accidentally rearrange
tray numbers.
43
41
40
44
47
46
10
11
Tray installing method: (After adjusting the height of the STB holder)
1. Turn the mode big gear to the mark position to lower the STB holder to
the bottom area.
2. From the front side, install the tray. (Securely insert it to the lock position.)
1. Turn the mode big gear to the mark position to lower the STB holder to
the bottom area.
2. From the front side, install the tray. (Securely insert it to the lock position.)
TRAY 6
TRAY 5
TRAY 4
TRAY 3
TRAY 2
TRAY 1
40
30
35
42
LIFT GEAR A
45
CD-BA3100H
– 24 –
Measure to be taken when a disc cannot be removed due to a mechanism trouble
First, remove the mechanism unit section from the set, and check for the state of the disc.
(Remove the top plate R if necessary.)
<State of the disc>
(1) When the disc is in the normal PLAY (chucking) position
(Remove the top plate R if necessary.)
<State of the disc>
(1) When the disc is in the normal PLAY (chucking) position
→
Try to eject the disc by turning the mode big gear/tray big gear
manually.
* At this time, be sure to adjust the tray's position (height).
* At this time, be sure to adjust the tray's position (height).
(2) When the disc is in the normal STOCK position
→
Try to eject the disc by turning the tray big gear manually.
* At this time, be sure to adjust the tray's position (height).
* At this time, be sure to adjust the tray's position (height).
(3) When the disc is not in the normal position
→
The tray or disc is not in the normal position.
(The tray or disc may catch somewhere.)
(The tray or disc may catch somewhere.)
↓
Remove the TOP PLATE F/DISC OB lever.
Unlock the tray lock lever and pull out the tray which is not caught.
Move the caught tray or disc and remove the disc.
Unlock the tray lock lever and pull out the tray which is not caught.
Move the caught tray or disc and remove the disc.
In case of (1) and (2), the mechanism is normal (defective circuit parts, etc.). However, it may stop somewhere.
This is the reason why you should try to turn the tray big gear first.
In case of (3), either of the big gears does not turn.
This is the reason why you should try to turn the tray big gear first.
In case of (3), either of the big gears does not turn.
Figure 24
L
91~96
TRAY1~TRAY6
TRAY1~TRAY6
Mark position
Be sure to assemble the tray into this position.
Be sure to assemble the tray into this position.
32
Insert it along the guide of
the change box.
the change box.
Rear
side
side
33
30
35
TRAY No.1~6
Rear surface: Stamped.
Rear surface: Stamped.
Note: During insertion,
Do not accidentally rearrange
tray numbers.
Do not accidentally rearrange
tray numbers.
43
41
40
44
47
46
10
11
Tray installing method: (After adjusting the height of the STB holder)
1. Turn the mode big gear to the mark position to lower the STB holder to
the bottom area.
2. From the front side, install the tray. (Securely insert it to the lock position.)
1. Turn the mode big gear to the mark position to lower the STB holder to
the bottom area.
2. From the front side, install the tray. (Securely insert it to the lock position.)
TRAY 6
TRAY 5
TRAY 4
TRAY 3
TRAY 2
TRAY 1
40
30
35
42
LIFT GEAR A
45
Display