Sony HCD-LS1 Service Manual ▷ View online
9
(1) MODE-1
EJECT, DISC LOAD state
(2) MODE-2
STANDARD State (STOP state)
(3) MODE-3
PLAY, DISC CHANGE state
When disassembling and reassembling the mechanism deck by any failure, the mechanism deck must be in (2) Standard
state (STOP state) as shown below.
• The mechanism deck (HG-1) has three modes. (Fig. A)
state (STOP state) as shown below.
• The mechanism deck (HG-1) has three modes. (Fig. A)
mecha UD sub cam SL
Traverse Mecha Down state
Traverse Mecha Up state
sus base X sub ass’y shaft
(Fig. A)
HOW TO ADJUST STOP STATE POSITION
D lock sleeve SL
emergency gear SL
2
Rotate gradually the emergency
gear SL in the up arrow direction
up to the position where the D lock
sleeve SL comes to the bottom.
(To attain (2) standard state in Fig. A)
gear SL in the up arrow direction
up to the position where the D lock
sleeve SL comes to the bottom.
(To attain (2) standard state in Fig. A)
1
Rotate fully the emergency gear SL
in the down arrow direction.
in the down arrow direction.
HOLDER MECHA, DUST SEAL EMA SL
PRECAUTIONS ON DISASSEMBLING AND REASSEMBLING MECHANISM DECK
1
four screws
(B3
(B3
×
5)
2
holder mecha
3
dust seal EMA SL
Note: Carefully remove it since
it is used again later.
1
four screws
(B3
(B3
×
5)
2
holder mecha
10
TOP COVER HS ASS’Y, BOTTOM COVER MF ASS’Y, F PANEL ASS’Y R237
5
F panel ass’y R237
3
two screws
(P2.6
(P2.6
×
5)
3
four screws
(P2.6
(P2.6
×
5)
1
two screws
(P2.6
(P2.6
×
3)
4
Remove bottom cover
MF ass’y in the direction
of arrow
MF ass’y in the direction
of arrow
B
.
B
2
Remove top cover HS ass’y
in the direction of arrow
in the direction of arrow
A
.
A
Mecha UD Sub SL
Emergency Gear SL
(Fig. B.1)
(Fig. B.2)
Note: 1. Before reassembling F Panel Ass’y R237
be sure that the end of the Mecha UD Sub
Cam SL on the right front does not protrude
as shown in (Fig. B.1). If it protrudes, move
it backward as follows:
1) Carefully remove the left side adhesive
Cam SL on the right front does not protrude
as shown in (Fig. B.1). If it protrudes, move
it backward as follows:
1) Carefully remove the left side adhesive
label (Dust Seal EMA SL) on the left side
of the unit. refer to (Fig. B.2)
of the unit. refer to (Fig. B.2)
2) Turn the Emergency Gear SL with your
finger tip in the direction of the arrow
until the end of the Mecha UD Sub Cam
SL is drawn inside the unit. (See Fig. B.2).
When turning the Gear, DO NOT use
until the end of the Mecha UD Sub Cam
SL is drawn inside the unit. (See Fig. B.2).
When turning the Gear, DO NOT use
nail
as the gear tooth can be broken.
3) Reattach the adhesive label (Dust Seal EMA
SL).
Note: 2. Be sure that the claws of F Panel Ass’y R237 are
securely inserted into each holes in Top Cover HS
Ass’y and Bottom Cover MF ass’y.
Ass’y and Bottom Cover MF ass’y.
11
MAIN R237 BOARD
INSTALLING THE MAIN R237 BOARD
2
screw
(P2.6
(P2.6
×
4)
4
wire flexible board
(CP102)
(CP102)
5
PCB FLEX mecha ass’y
(CP103)
(CP103)
1
screw
(P2.6
(P2.6
×
8)
6
pick-up flexible board
(CP101)
(CP101)
Note: When disconnecting these felxible boards,
do not open the MAIN R237 board wide to
avoid damage to flexible boaards.
avoid damage to flexible boaards.
3
MAIN R237 board
Unsolder the shorting lands
on the pick-up flexible board.
on the pick-up flexible board.
Note: To allow easier installation of the MAIN R237 board,
move the optical pick-up KSS-540A to the outermost
position, before removing the MAIN R237 board.
position, before removing the MAIN R237 board.
LOADING MF ASS’Y
(Next Page)
STC POS GEAR SL
(Page 18)
(Next Page)
STC POS GEAR SL
(Page 18)
12
LOADING MF ASS’Y
TRAVERSE MECHA ASS’Y
1
three screws
(P2
(P2
×
2)
7
loading MF ass’y
2
two screws
(2.6
(2.6
×
3)
2
two screws
(2.6
(2.6
×
3)
8
washer
9
loading link
SL ass’y
SL ass’y
3
screw
(P1.7
(P1.7
×
2.5)
5
ditch
5
ditch
6
While pushing lever inward, remove
loading MF ass’y by lifting it upward.
loading MF ass’y by lifting it upward.
lever
Note: Though the cam of the Mecha UD sub cam SL will be in (1) state in (Refer to page 9. Fig. A)
when the loading MF Ass’y is assembled, set in (2) state in (Refer to page 9. Fig. A) using
the emergency gear SL.
the emergency gear SL.
4
3
two damper screws
3
two damper screws
4
traverse mecha ass’y
1
three screws
(P2
(P2
×
2)
2
FR chassis SL ass’y
PCB FLEX MECHA
ASS’Y
(Page 15)
ASS’Y
(Page 15)
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