Sharp MX-5500N / MX-6200N / MX-7000N (serv.man55) Service Manual ▷ View online
MX-7000N DSPF SECTION C – 25
E. Optical section
(1) Lamp unit
1)
Remove the front cabinet and the rear cabinet. (Refer to the
"A. Exterior section".)
"A. Exterior section".)
2)
Remove the OC mat. (Refer to the "H. Others".)
3)
Disconnect the connector (B) from DSPF CL inverter PWB (A).
4)
Remove the screw (C), and remove the intersecting point plate
(D). Remove the lower door (E).
(D). Remove the lower door (E).
5)
Remove the screw (F), and remove the intersecting point plate
(G). Remove the white reference plate (H).
(G). Remove the white reference plate (H).
Unit
Parts
Mainte
nance
Page
1
Lamp unit
a
Scanning glass
{
C -26
b
DSPF copy lamp
{
c
Reflector
{
2
Optical unit
a
Lens
{
C -28
b
CCD
{
c
CCD unit
–
d
Mirror
✕
C -29
Parts
Mainte
nance
Page
a
DSPF CL inverter PWB
–
C -29
b
White reference glass
{
C -30
Unit
1
Lamp unit
a
1
2-c 2-b 2-a
1-c
1-b
1-a
2-d
2
b
1
A
B
E
C
D
H
F
G
MX-7000N DSPF SECTION C – 26
6)
Remove the screw (I), and remove the scanning section cover
(J). Remove the screws (K), and remove the lamp unit (L).
(J). Remove the screws (K), and remove the lamp unit (L).
a. Scanning glass, DSPF copy lamp, Reflector
1)
Open the DSPF unit (A).
2)
Open the lower door (B).
3)
Remove the cleaner (C).
4)
Use the cleaner (C) to clean the scanning glass (surface) (D).
5)
Remove the front cabinet and the rear cabinet. (Refer to the
"A. Exterior section".)
"A. Exterior section".)
6)
Remove the OC mat. (Refer to the "H. Others".)
7)
Remove the lamp unit. (Refer to the "(1) Lamp unit".)
Unit
Parts
Mainte
nance
1
Lamp unit
a
Scanning glass
{
b
DSPF copy lamp
{
c
Reflector
{
L
I
J
K
1
1-a
1-b
1-c
A
B
C
C
D
1-a
MX-7000N DSPF SECTION C – 27
8)
Remove the screw (E), and remove the DSPF copy lamp (F).
9)
Clean the scanning glass (back surface) (G).
10) Remove the screws (H), and remove the reflector (I).
(2) Optical unit
1)
Remove the front cabinet and the rear cabinet and the upper
door. (Refer to the "A. Exterior section".)
door. (Refer to the "A. Exterior section".)
2)
Remove the OC mat. (Refer to the "H. Others".)
3)
Remove the lamp unit. (Refer to the "(1) Lamp unit".)
4)
Remove the screws (A), and remove the transport PG upper
(B).
(B).
5)
Remove the screw (C), and remove the harness cover (D).
Disconnect the connectors (E).
* When installing, arrange the harness (F) so that it is placed
Disconnect the connectors (E).
* When installing, arrange the harness (F) so that it is placed
in the lower position than the rib height.
E
F
1-b
G
1-a
I
H
H
1-c
Unit
2
Optical unit
2
A
A
B
E
E
F
C
D
MX-7000N DSPF SECTION C – 28
6)
Remove the step screw (G), and remove the screws (H), and
remove the optical fixing plate (I). Remove the optical unit (J).
remove the optical fixing plate (I). Remove the optical unit (J).
a. Lens, CCD
1)
Remove the front cabinet and the rear cabinet and the upper
door. (Refer to the "A. Exterior section".)
door. (Refer to the "A. Exterior section".)
2)
Remove the OC mat. (Refer to the "H. Others".)
3)
Remove the lamp unit. (Refer to the "(1) Lamp unit".)
4)
Remove the optical unit. (Refer to the "(2) Optical unit".)
5)
Remove the screws (A). Disengage the pawls (B). Remove the
dust-proof cover (C). Remove the screw (D), and remove the
dark box (E).
dust-proof cover (C). Remove the screw (D), and remove the
dark box (E).
6)
Disengage the pawls (F), and remove the lens cover (G).
7)
Clean the lens (H) and the CCD (I).
b. CCD unit
1)
Remove the front cabinet and the rear cabinet and the upper
door. (Refer to the "A. Exterior section".)
door. (Refer to the "A. Exterior section".)
2)
Remove the OC mat. (Refer to the "H. Others".)
3)
Remove the lamp unit. (Refer to the "(1) Lamp unit".)
4)
Remove the optical unit. (Refer to the "(2) Optical unit".)
Unit
Parts
Mainte
nance
2
Optical unit
a
Lens
{
b
CCD
{
I
J
G
H
2
2-a
2-b
C
A
A
B
B
D
E
Unit
Parts
2
Optical unit
c
CCD unit
F
F
G
H
I
2-b
2-a
2-c
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