Sony HTC-NX300 / MHC-NX300AV Service Manual ▷ View online
5
Note 1: In cleaning the lens, do not apply an excessive force.
As the optical pick-up is vulnerable, application of
excessive force could damage the lens holder.
excessive force could damage the lens holder.
Note 2: In cleaning, do not use a cleaner other than exclusive clean-
ing liquid (KK-91 or isopropyl alcohol).
Note 3: Wipe the objective lens spirally from center toward outside.
(See Figure A)
OPTICAL PICK-UP CLEANING
1
Remove the case. (Refer to disassembly page 7)
(Figure A)
3
Open the magnet
ass’y.
ass’y.
4
Cleaning the
optical pick-up.
optical pick-up.
2
four screws
(BVTP M2.6)
(BVTP M2.6)
6
SECTION 2
GENERAL
1
2
3
4
5
A
H
S
s
h
H
s
h
H
s
A
A
1 2 3
45
ql
9
0
qa
7
6
8
w;
wa
qk
qj
qh
qg
qf
qd
qs
• LOCATION OF CONTROLS
– Front Panel –
– Front Panel –
1
G (CD) button and indicator
2
S (CD) button and indicator
3
s (CD) button
4 DISC1 to 5 buttons and indicators
5
A (DISC1 to 5) buttons and indicators
6 RETURN button
7 NEXT button
8 PREV button
9
g (DECK A) button and indicator
0
G (DECK A) button and indicator
qa
s (DECK A) button
qs
A (DECK A) button
qd DIRECTION button
qf DOLBY NR button
qg HI DUB button
qh CD SYNC button and indicator
qj REC PAUSE/START button and indicator
qk
A (DECK B) button
ql
s (DECK B) button
w;
G (DECK B) button and indicator
wa
g (DECK B) button and indicator
3
2
4
5
1
– Rear Panel –
1 SYSTEM SELECT switch
2 S VIDEO OUT jack
3 SYSTEM CONTROL connector
4 CD DIGTAL OUT OPTICAL terminal
5 VIDEO OUT jack
7
SECTION 3
DISASSEMBLY
CASE
FRONT PANEL SECTION
Note:
Follow the disassembly procedure in the numerical order given.
1
screw
(BVTP3
(BVTP3
×
10)
2
two screws
(case 3 TP2)
(case 3 TP2)
2
two screws
(case 3 TP2)
(case 3 TP2)
3
Remove the case
in the arrow
in the arrow
A
direction.
A
6
two screws
(BVTP3
(BVTP3
×
10)
5
two screws
(BVTP3
(BVTP3
×
5)
1
flat cable (17 core)
(16 cm) (CNS104)
(16 cm) (CNS104)
7
claw
1
flat cable (15 core)
(CNS101)
(CNS101)
1
flat cable (21 core)
(CN102)
(CN102)
2
connector
(CN106)
(CN106)
8
front panel
section
section
3
screw (BVTP3
×
5)
4
harness
5
two screws
(BVTP3
(BVTP3
×
5)
2
connector
(CN105)
(CN105)
8
CD MECHANISM DECK SECTION
(CDM53E-K3BD37)
(CDM53E-K3BD37)
TAPE MECHANISM DECK SECTION
(TCM-230AWR2)
(TCM-230AWR2)
3
four screws
(BVTP3
(BVTP3
×
10)
1
flat cable (17 core)
(12 cm) (CN112)
(12 cm) (CN112)
4
Remove the CD mechanism deck
section (CDM53E-K3BD37) in
the arrow
section (CDM53E-K3BD37) in
the arrow
A
direction.
1
flat cable (19 core)
(CN501)
(CN501)
2
connector
(CN713)
(CN713)
A
to fitting base (guide)
ass’y, bracket (chassis)
and magnet ass’y
(page 10)
ass’y, bracket (chassis)
and magnet ass’y
(page 10)
4
two screws
(BVTP3
(BVTP3
×
10)
1
step screw
1
step screw
5
Remove the tape mechanism deck
section (TCM-230AWR2) in the
arrow
section (TCM-230AWR2) in the
arrow
A
direction.
2
spring (eject B)
3
spring (eject A)
6
step screw
8
eject lever (A)
qa
bracket (MD A)
qs
shield plate
q;
bracket (MD B)
7
eject lever (B)
6
step screw
9
two screws
(BVTT 2.6
(BVTT 2.6
×
6)
A
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