Sony CDX-656 / CDX-656X Service Manual ▷ View online
9
CDX-656/656X
2-8.
CHASSIS (U.S) SUB ASSY
2-9.
CHASSIS ASSY
1
three screws
(PTT2
(PTT2
×
4)
1
screw
(PTT2
(PTT2
×
4)
1
two screws
(PTT2
(PTT2
×
4)
4
spring (SUT)
2
Remove the edge
in the direction
of arrow
in the direction
of arrow
A
.
5
chassis (U.S) sub assy
3
A
6
chassis assy
1
Turn the gear (EVD.S) fully
in the direction of arrow
in the direction of arrow
A
.
5
spring (stopper.lower)
4
A
3
2
3
10
CDX-656/656X
2-10. RF BOARD
2-11. SLED MOTOR ASSY (251) (M101), OPTICAL PICK-UP (KSS-720A or KSS-721A)
3
two screws
(PS2
(PS2
×
4)
3
two screws
(PS2
(PS2
×
4)
2
Remove four solders
of the LSW board leads
and spindle motor leads (M102).
of the LSW board leads
and spindle motor leads (M102).
2
Remove two solders
of the sled motor leads
(M101).
of the sled motor leads
(M101).
1
OP flexible board (CN102).
4
RF board
1
two precision screws
(P2
(P2
×
3)
4
Turn shaft (feed) assy
in the direction
of the arrow,
then remove it.
in the direction
of the arrow,
then remove it.
2
sled motor assy (251)
(M101)
(M101)
OP flexible board
adhesive
sheet
sheet
3
optical pick-up
(KSS-720A or KSS-721A)
(KSS-720A or KSS-721A)
optical
pick-up
pick-up
Note: After connecting OP flexible board,
fix it with adhesive sheet
to optical pick-up.
to optical pick-up.
Ver. 1.1
11
CDX-656/656X
2-12. LSW BOARD, SPINDLE MOTOR (S) SUB ASSY (M102)
2-13. ELJ MOTOR ASSY (CHUCKING) (M103)
8
two precision screws
(P1.7
(P1.7
×
2.2)
7
3
spring (chucking)
6
retainer (disc)
4
precision screw
(P2
(P2
×
2.2)
5
bracket (CP)
9
Remove the spindle motor (S) sub assy (M102)
in the direction of the arrow.
in the direction of the arrow.
2
LSW board
1
precision screw
(P2
(P2
×
2.5)
2
two screws
(PTT2
(PTT2
×
4)
3
retainer (CHM)
4
ELJ motor
assy
(chucking)
(M103)
assy
(chucking)
(M103)
1
Remove two solders of
the chucking motor leads (M103).
the chucking motor leads (M103).
CDX-656/656X
12
• This set can be assembled in the order shown below.
SECTION 3
ASSEMBLY
3-1.
ASSEMBLY FLOW
3-2. OPTICAL PICK-UP COMPLETE ASSY
(Page 12)
3-3. GEAR (LOMINI) / (LOAD 1) ASSY
(Page 13)
3-4. OPERATION CHECK
(Page 13)
3-2.
OPTICAL PICK-UP COMPLETE ASSY
chuck plate
1
Move the lever (LOCK 3A) in the direction of arrow
A
,
and return it a little in the direction of arrow
B
from the position where the chuck plate is moved
down to the lower limit.
down to the lower limit.
A
B
3
stop ring 2.0 (E type)
4
tension spring (DH)
2
optical pick-up complete assy
Note: Insert the shaft (A) first.
Note: Insert the shaft (A) first.
shaft (A)
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