Sony CDX-747X Service Manual ▷ View online
CDX-747X
5
• This set can be disassembled in the order shown below.
3-1.
DISASSEMBLY FLOW
SECTION 3
DISASSEMBLY
Note 1: The process described in can be performed in any order.
Note 2: Without completing the process described in , the next process can not be performed.
3-2. CASE (UPPER T), FRONT PANEL ASSY
(Page 6)
3-3. MECHANISM DECK (MG-251B-137)
(Page 6)
3-4. JACK BOARD
(Page 7)
3-9. CHASSIS ASSY
(Page 9)
3-10. RF BOARD
(Page 10)
3-11. SLED MOTOR ASSY (251) (M101),
OPTICAL PICK-UP (KSS-720A)
(Page 10)
(Page 10)
3-12. LSW BOARD,
SPINDLE MOTOR (S) SUB ASSY (M102)
(Page 11)
(Page 11)
3-13. ELJ MOTOR ASSY (CHUCKING) (M103)
(Page 11)
3-7. ESCUTCHEON (T)
(Page 8)
3-8. CHASSIS (U.S) SUB ASSY
(Page 9)
3-6. ELJ MOTOR ASSY (ELEVATOR) (M104)
(Page 8)
3-5. MAIN BOARD,
SLIDE VARIABLE RESISTOR
(ELEVATOR HEIGHT SENSOR) (RV202)
(Page 7)
(ELEVATOR HEIGHT SENSOR) (RV202)
(Page 7)
SET
CDX-747X
6
3-2.
CASE (UPPER T), FRONT PANEL ASSY
Note:
Follow the disassembly procedure in the numerical order given.
3-3.
MECHANISM DECK (MG-251B-137)
3
screw
(PTT2.6
(PTT2.6
×
6)
4
lever (FLT. 838)
3
screw (PTT2.6
×
6)
3
screw (PTT2.6
×
6)
1
screw (PTT2.6
×
6)
1
screw
(PTT2.6
(PTT2.6
×
6)
2
front panel assy
4
lever (FLT. 838)
5
case (upper T)
2
tension coil spring (FL)
2
tension coil spring (FL)
1
two dampers (T)
filament tape
1
two dampers (T)
3
jack flexible board
(CNJ901)
(CNJ901)
4
mechanism deck (MG-251B-137)
CDX-747X
7
3-4.
JACK BOARD
3-5.
MAIN BOARD, SLIDE VARIABLE RESISTOR (ELEVATOR HEIGHT SENSOR) (RV202)
Remove the jack board of
the arrow.
the arrow.
1
ground point screw
(PTT2.6
(PTT2.6
×
6)
2
jack board
2
Remove two solders of
the elevator motor leads (M104).
the elevator motor leads (M104).
2
Remove two solders of
the switch board leads.
the switch board leads.
2
Remove three solders of
the slide variable resistor
(RV202).
the slide variable resistor
(RV202).
4
heat sink (T)
3
screw (PTT2
×
4)
6
main board
5
two screws (FP)
1
main flexible board
(CNJ101)
(CNJ101)
5
screw (FP)
7
screw
(PTT2
(PTT2
×
4)
8
slide variable resistor
(elevator height sensor)
(RV202)
(elevator height sensor)
(RV202)
CDX-747X
8
3-6.
ELJ MOTOR ASSY (ELEVATOR) (M104)
3-7.
ESCUTCHEON (T)
2
Remove the claw
in the direction of arrow
in the direction of arrow
A
.
4
Remove the ditch
in the direction of arrow
in the direction of arrow
B
.
A
B
5
Remove the escutcheon (T)
in the direction of arrow
in the direction of arrow
C
.
4
ditch
3
claw
C
3
two claws
1
screw (T)
1
screw
(PTT2
(PTT2
×
4)
2
bracket (EVM.S)
4
ELJ motor assy (elevator)
(M104)
(M104)
3
spacer (MO)
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