Mitsubishi FL7000U Service manual

LCD PROJECTOR LC61 CHASSIS
MODEL
2008
FL7000U
This model is RoHS-compliant. Provide servicing referring to “NOTES FOR SERVICING RoHS-COMPLIANT PRODUCTS” described in the service manual.
Pb Solder, Pb Joints, Pb PCA
This product uses lead-free solder on the circuit boards. For repairing circuit boards, see "Precautions for resoldering" in this Service Manual.
CAUTION
Before servicing this chassis, it is important that the service person reads the “SAFETY PRECAUTIONS” and “PRODUCT SAFETY NOTICE” in this service manual.
Copyright © 2008 Mitsubishi Electric Corporation All Rights Reserved.

NOTES FOR SERVICING RoHS-COMPLIANT PRODUCTS

Follow the notes and instructions below when servicing RoHS-compliant products.
1. For RoHS-compliant products, be sure to use RoHS-compliant service parts.
2. Check the presence of <G> marking on the rating plate to distinguish RoHS­compliant product from non-RoHS-compliant product.
<G> marking With <G> marking: RoHS-compliant product Without <G> marking: Non-RoHS-compliant product
<Sample>
Mark position
3. Labels of RoHS-compliant service parts bear <G> marking for identifi cation purpose.
<Sample>
Parts Name
Parts No.
Model Name
E05R
Mark position
4. Don’t use non-RoHS-compliant parts with RoHS-compliant products.
5. Service parts for RoHS-compliant products are listed in the parts catalog contained in the service manual.
- 2 -

SPECIFICATIONS

• Rated Voltage
Power Consumption
Display Technology
• Projection Lens
Light Source Lamp
• Image Size (projection distance)
Maximum Resolution
• S-Video Input
• Video Input
• Component Video Input
: AC 100 to 240V ; 50/60Hz,
• Analog Input
: 4.4A :
1.1 inch LCD panel ; 3 pieces (for R,G,B)
:
Pixels ; 1,920 × 1,080 = 2,073,600 pixels Total 6,220,800 pixels :
Active pixel rate ; 99.9 % or more (each panel)
: F 1.8 - 2.1 f = 51 - 64 mm : 275 W :60 to 250 inch (projection distance ; 2.6 to 11.2 m) :
Computer signal Maximum resolution ; 1,920 × 1,080 dots
(Compressed in the case of 1,600 × 1,200 dots)
Digital Input (DVI)
• Audio Input
• Speaker
• Control Terminal/ Others
• Dimensions (not including protrusion)
Panel resolution ; 1,920 × 1,080 dots :Video signal
NTSC/PAL/SECAM/4.43NTSC/PAL-M/PAL-N/PAL-60
• Weight
:Component signal
480i,480p,576i,576p,720p,1080i,1080p
Panel resolution ; 1,920 × 1,080 dots :
Luminance signal ; 1.0 V(p-p) 75Ω (negative sync) Chrominance signals ; 0.286 V(p-p) 75Ω (burst signal)
Operating temperatures
: 1.0 V(p-p) 75 Ω (negative sync) : YC
BCR
; Y ; 1.0 V(p-p) 75 Ω (negative sync) C
0.7 V(p-p) 75 Ω
BCR ;
: RGB ;
0.7 V(p-p) 75 Ω (negative sync) : YCBCR ; Y ; 1.0 V(p-p) (negative sync) C : HD/CS ; : VD ; : : 350 mVrms, 10 k
0.7 V(p-p)
BCR ;
TTL level (negative or positive polarity)
TTL level (negative or positive polarity)
DVI-D interface (TMDS single link) with HDCP
Ω or more : 10 W mono Round type ø 4.5 cm × 1 : RS-232C (D-SUB 9 pin),USB, LAN (RJ-45),REMOTE IN/OUT : 371 (W) × 207 (H) × 434 (D) mm (projector only) 443 (W) × 207 (H) × 434 (D) mm (including the terminal cover) : 9.8 kg (projector only) : 10.5 kg (including the terminal cover)
: + 41 °F (+ 5°C) to 104 °F (+ 40 °C)
• Weight and dimensions shown are approximate.
• Design and specifi cations are subject to change without notice.
- 3 -

CONTENTS

– FILE “COVERPGE” –
NOTES FOR SERVICING RoHS-COMPLIANT PRODUCTS ............................................................................... 2
SPECIFICATIONS ................................................................................................................................................. 3
CONTENTS ........................................................................................................................................................... 4
– FILE “EXPOSED” –
TRADE MARK, REGISTERED TRADEMARK ...................................................................................................... 1
PRODUCT SAFETY NOTICE ............................................................................................................................... 1
SAFETY PRECAUTIONS ...................................................................................................................................... 2
PRECAUTIONS FOR RESOLDERING ................................................................................................................. 3
PCB LOCATION .................................................................................................................................................... 4
EXPOSED VIEW ................................................................................................................................................... 6
L VP ASSY ........................................................................................................................................................ 6
Chassis 1 ASSY ............................................................................................................................................... 8
Chassis 2 ASSY ............................................................................................................................................... 10
Bottom case unit .............................................................................................................................................. 12
T erminal ASSY ................................................................................................................................................. 13
Optical unit 1 .................................................................................................................................................... 14
Optical unit 2 .................................................................................................................................................... 16
POSITION ADJUSTMENT OF MULTI LENS A ..................................................................................................... 17
DISASSEMBL Y ................................................................................................................... .................................. 18
1.Removal of the terminal cover ASSY ............................................................................................................ 18
2.Removal of the BOO PCB ASSY and BOO SUB PCB ASSY ....................................................................... 18
3.Removal of the lens unit and zoom focus motor ........................................................................................... 19
4.Removal of the top case unit and KEY PCB ASSY ...................................................................................... 20
5.Removal of the IRF PCB ASSY .................................................................................................................... 21
6.Removal of the MOTOR PCB ASSY ............................................................................................................. 21
7.Removal of the IRR PCB ASSY .................................................................................................................... 21
8.Removal of the speaker ................................................................................................................................ 22
9.Removal of the power fan ............................................................................................................................. 22
10.Removal of the MAIN PCB ASSY ............................................................................................................... 23
11.Removal of the TERMINAL PCB ASSY ...................................................................................................... 23
12.Removal of the DRIVE PCB ASSY and LCD block .................................................................................... 24
13.Removal of the drive fan ............................................................................................................................. 25
14.Removal of the PBS fan ............................................................................................................................. 25
15.Removal of the optical unit ......................................................................................................................... 26
16.Removal of the POWER PCB ASSY .......................................................................................................... 27
17.Removal of the lamp power unit ................................................................................................................. 28
18.Removal of the FILTER PCB ASSY and INLET PCB ASSY ....................................................................... 28
19.Removal of the POWER SUB PCB ASSY .................................................................................................. 29
20.Removal of the lamp fan ............................................................................................................................. 30
21.Removal of the LCD fan ............................................................................................................................. 30
22.Removal of the exhaust fan ........................................................................................................................ 31
23.Removal of the lens shift motor .................................................................................................................. 31
24.Removal of the lamp box ............................................................................................................................ 32
LAMP REPLACEMENT ......................................................................................................................................... 32
LEAD DRESS ........................................................................................................................................................ 33
PACKING ............................................................................................................................................................... 38
– FILE “MAINTENA” –
LAMP REPLACEMENT ......................................................................................................................................... 1
MAINTENANCE .................................................................................................................................................... 3
HOW TO USE THE LAMP JIG .............................................................................................................................. 4
DUST ON LCD PANEL .......................................................................................................................................... 5
RESET OF THE THERMAL PROTECTOR ........................................................................................................... 5
SERVICE COMMANDS ........................................................................................................................................ 6
Display the operation status screen ................................................................................................................. 6
Reset to the factory settings ............................................................................................................................ 6
Reset the lamp operating time ......................................................................................................................... 6
LIFE TIME OF THE CONSUMABLE PARTS ........................................................................................................ 7
FUNCTION MENU(SETTING MENU ONLY FOR SERVICE) ............................................................................... 8
REPLACEMENT OF THE MAIN PCB ASSY ......................................................................................................... 9
REPLACEMENT OF THE TERMINAL PCB ASSY ................................................................................................ 10
GAMMA ADJUSTMENT(WHITE BALANCE ADJUSTMENT) ............................................................................... 10
UNIFORMITY DATA TRANSFER .......................................................................................................................... 12
COLOR UNIFORMITY ADJUSTMENT ................................................................................................................. 13
DOWNLOAD OF THE FIRMWARE ....................................................................................................................... 15
CRITERIA OF THE DEFECT PIXEL ON THE LCD PANEL(FOR REFERENCE PURPOSE) .............................. 16
ABOUT LASER BEAM .......................................................................................................................................... 18
- 4 -
– FILE “ELCTADJ” –
ELECTRICAL ADJUSTMENTS ............................................................................................................................. 1
Necessary Equipment and Connecting ........................................................................................................... 1
Test Signal ....................................................................................................................................................... 1
Adjustment with Microsoft
®
Windows® 95/98/Me/XP Operating System ......................................................... 2
Adjustment Procedures ................................................................................................................................... 3
– FILE “DIAGNO” –
DIAGNOSIS INFORMATION ................................................................................................................................. 1
DIAGNOSTIC SOFTWARE,TO READ WARNING HISTORY(PCGC8 Ver.2) ....................................................... 3
SPECIFICATION OF RGB SIGNALS IN EACH COMPUTER MODE OF THE PROJECTOR .............................. 5
– FILE “DIAGFLOW” –
DIAGNOSIS FLOW CHART .................................................................................................................................. 1
Image system .................................................................................................................................................. 1
Power source system 1 ................................................................................................................................... 2
Power source system 2 ................................................................................................................................... 3
Power source system 3 ................................................................................................................................... 4
– FILE “PCCONTRL” –
Controling the prijector using a personal computer ............................................................................................... 1
– FILE “PARTSLST” –
PARTS LIST .......................................................................................................................................................... 1
PCB LOCATION .............................................................................................................................................. 2
EXPOSED VIEW ............................................................................................................................................. 3
LVP ASSY .................................................................................................................................................. 3
Chassis 1 ASSY ......................................................................................................................................... 4
Chassis 2 ASSY ......................................................................................................................................... 5
Bottom case unit ........................................................................................................................................ 6
Terminal ASSY ........................................................................................................................................... 6
Optical unit 1 .............................................................................................................................................. 7
Optical unit 2 .............................................................................................................................................. 8
PACKING ......................................................................................................................................................... 9
ELECTRICAL PARTS AND OTHERS .............................................................................................................. 10
– FILE “SCHEMATC” –
IC BLOCK DIAGRAMS SCHEMATIC DIAGRAMS PRINTED CIRCUIT BOARD PARTS LAYOUT
- 5 -

TRADEMARK, REGISTERED TRADEMARK

Microsoft Windows 95/98/Me/XP are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Other brand or product names are trademarks or registered trademarks of their respective holders.

PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in the projector have special safety related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement compo­nents rated for higher voltage, etc. Replacement parts which have these special safety characteristics are identifi ed in this ser- vice manual. Electrical components having such features are identifi ed by shading on the schematic diagram and the parts list of this service manual and by the supplementary sheet for this chassis to be issued subsequently.
- 1 -
A

SAFETY PRECAUTIONS

North america
NOTICE: Observe all cautions and safety related notes located inside the cabinet and on the chassis.
Warning
1. Operation of this projector outside the cabinet or with the cover removed presents a shock hazard from the projector power
supplies.
2. When a short-circuit has occurred, replace those components that indicate evidence of overheating.
3. Grounding circuit continuity is vital for safe operation of equipment. Do not remove ground connection while the power cord
is still connected to the supply. Disconnect supply before servicing.
Leakage current check
Before returning the projector to the customer, it is recommended that leakage current be measured according to the follow-
ing methods.
1. Cold check
With the AC plug removed from the AC 100 to 240 V, place a jumper across the two AC plug prongs. Turn the projector AC
switch on. Using an ohm-meter, connect one lead to the AC plug and touch the other lead to each exposed metal part (metal
cabinet, screwheads, metal overlays, etc.), particularly any exposed metal part having a return path to the chassis. Exposed
metal parts having a return path to the chassis should have a minimum resistance reading of 1 megohm. Any resistance be-
low this value indicates an abnormality which requires corrective action. Exposed metal parts not having a return path to the
chassis will indicate an open circuit.
2. Hot check
Use the circuit in fi gure to perform this test.
(1) With switch S1 open, connect the projector to the measuring circuit. Immediately after connection, measure the leakage
current using both positions of switch S2, and with the switching devices in the projector in all of their operating positions.
(2) Switch S1 is then closed, energizing the projector. Immediately after closing the switch, measure the leakage current us-
ing both positions of switch S2, and with the switching devices in the projector in all of their operating positions. Current measurements of items (1) and (2) are to be repeated after the projector has reached thermal stabilization. The leakage current must not be more than 0.5 milliampere.
Projector
AC milliammeter
S2
C 100 to 240 V
V
S1
Grounding supply conductor
GH
(grounding)
open
B
Figure
A
Insulating table
Europe, other than USA
NOTICE: Observe all cautions and safety related notes located inside the cabinet and on the chassis.
Warning
1. An isolation transformer should be used between the projector and the AC supply point before any test/service is performed
on a LIVE chassis projector.
2. Operation of this projector outside the cabinet or with the cover removed, involves a shock hazard from the projector power
supplies. Work on the projector should not be attempted by anyone who is not thoroughly familiar with precautions neces-
sary when working on high voltage equipment.
3. When service is required, observe the original lead dressing. Extra precaution should be given to assure correct lead dress-
ing in the high voltage area. Where a short-circuit has occurred, replace those components that indicate evidence of over-
heating.
Leakage current cold check
Before returning the projector to the customer, it is recommended that leakage current be measured according to the following methods. With the AC plug removed from the AC source, place a jumper across the two AC plug prongs. Turn the projector AC switch on. Using an 500 V D.C. Insulation Tester, connect one lead to the jumpered AC plug and touch the other lead to each exposed met­al part (screwheads, etc.), particularly any exposed metal part having a return path to the chassis. Exposed metal parts having a return path to the chassis should have a minimum resistance reading of 4 megohm. Any resistance below this value indicates an abnormality which requires corrective action.
- 2 -

PRECAUTIONS FOR RESOLDERING

Lead-free solder is handled in a different way from eutectic solder. See below for details.
How to distinguish circuit boards using lead-free solder from those using eutectic solder
Circuit boards using lead-free solder
A mark of Solder, Joints, PCA or LFS (for limited marking space) is printed near the board assembly number on the component side.
Circuit boards using eutectic solder
Circuit boards using eutectic solder are divided into two groups.
- Boards having no mark of number.
- Boards having a mark of pen near the board assembly number.
* Only when there is a limited marking space on the board,
PCA as P.
* Circuit boards using lead-free solder and those using eutectic solder may be used together in the same product.
Instructions for resoldering
- For circuit boards using lead-free solder, use lead-free solder.
- For circuit boards using eutectic solder, use eutectic solder.
- Separate the soldering iron for lead-free solder from that for eutectic solder completely for use.
(It is prohibited to use a same soldering iron for lead-free solder and eutectic solder.)
- For lead-free solder, it is advisable to use a soldering iron of at least 40 W because lead-free solder has a melting point ap­prox. 35°C higher than that of eutectic solder as conventionally used. For wire solder, use M705ESC made by Senju Metal Industry Co., Ltd.
- To remove solder, you can use desoldering wires for eutectic solder as conventionally used.
Solder, Joints, PCA or LFS (for limited marking space) near the board assembly
Solder, Joints, PCA or LFS (for limited marking space) that is painted out by a felt-
Solder may be indicated as S, Joints as J, and
- 3 -

PCB LOCATION

14
5
4
3
2
1
13
12
11
6
7
8
9
10
Fig.1
- 4 -
Parts list : See page 2 of PARTS LIST
Item No. Part name
1 IRF PCB ASSY 2 FILTER PCB ASSY 3 POWER PCB ASSY 4 MAIN PCB ASSY 5 DRIVE PCB ASSY 6 IRR PCB ASSY 7 KEY PCB ASSY 8 TERMINAL PCB ASSY
9 BOO PCB ASSY 10 BOO SUB PCB ASSY 11 Lamp power unit 12 INLET PCB ASSY 13 POWER SUB PCB ASSY 14 MOTOR PCB ASSY
Table 1
- 5 -

EXPOSED VIEW

A

L VP ASSY

Hx3
Jx3
11
13
12
Kx3
Lx4
14
Mx2
1
x6
Dx2
2
3
Cx4
Gx2
Ex2
6
5
10
Fx1
7
8
9
4
Bx3
Fig.2-1
- 6 -
Parts list : See page 3 of PARTS LIST
Part name Number of screw
1.Front case ASSY None
2.Lens cap None
3.Front case unit Ax6
4.Terminal cover unit Bx3
5.Alarm unit ASSY Cx4
6.Alarm cover U Dx2
7.BOO PCB ASSY Ex2
8.BOO SUB PCB ASSY Fx1
9.Alarm cover L None
10.Sensor Gx2
11.Top case ASSY None
12.Top cover unit Hx3
13.Top case unit Jx3,Kx3,Lx4
14.KEY PCB ASSY Mx2
Table 2-1
- 7 -

Chassis 1 ASSY

Cx5
2
5
Dx3
3
Fx3
Ex3
6
Hx2
7
9
10
Kx2
Gx1
Lx4
15
Jx8
8
Rx1
20 Ux5
16
21
17
4
18
Sx1
19
Tx2
Nx3
Mx2
12
Px3
11
13
14
Qx1
Fig.2-2
23
Vx1
22
Bx2
1
Ax1
- 8 -
Parts list : See page 4 of PARTS LIST
Part name Number of screw
1.Terminal board unit Ax1,Bx2
2.Main barrier Cx5
3.Spacer cushion None
4.T erminal ASSY Dx3,Ex3,Fx3
5.Gum spacer None
6.Main radiator Gx1
7.Main PCB holder Hx2
8.DRIVE PCB ASSY Jx8
9.Drive PCB holder Kx2,Lx4
10.Drive fan ASSY None
11.Fan holder L Mx2
12.Drive fan Nx3
13.Fan PCB duct Px3
14.Shield holder Qx1
15.IRR PCB ASSY Rx1
16.Speaker ASSY None
17.Speaker None
18.Bush SP None
19.Holder SP Sx1
20.Lead clamper None
21.Thermo barrier None
22.Lamp power lead Tx2
23.Optical unit Ux5,Vx1
Table 2-2
- 9 -

Chassis 2 ASSY

Lx1
17
12
13
14
15
16
Ax1
6
Mx1
Nx1
Gx5
Hx1
2
10
Bx2
Cx1
5
3
4
9
Ex2
8
Dx1
Fx4
20
21
Qx3
18
19
Kx2
Jx2
Px1
11
7
1
Fig.2-3
- 10 -
Parts list : See page 5 of PARTS LIST
Part name Number of screw
1.Bottom case ASSY None
2.IRF PCB ASSY Ax1
3.Front holder L Bx2
4.Motor PCB holder Cx1
5.MOTOR PCB ASSY Dx1
6.Power fan ASSY None
7.Fan holder F Ex2
8.Power fan Fx4
9.Fan guard None
10.POWER SUB PCB ASSY Gx5,Hx1
11.Power shield L Jx2,Kx2
12.SW shield None
13.Power box T unit None
14.POWER PCB ASSY Lx1
15.Power fi n None
16.Lamp power unit None
17.FILTER PCB ASSY Mx1
18.Seesaw switch None
19.INLET PCB ASSY Nx1,Px1
20.Power box B unit Qx3
21.Bottom case unit None
Table 2-3
- 11 -

Bottom case unit

Cx3
Dx3
1
4
Bx2
7
5
2
8
9
10
11
Fig.2-4
6
3
Ax1
Parts list : See page 6 of PARTS LIST
Part name Number of screw
1.Filter unit None
2.Fan fi lter None
3.Lamp cover unit Ax1
4.Fan cushion None
5.SW holder Bx2
6.Micro SW None
7.Micro SW None
8.Adjustment foot ASSY Cx3
9.Adjustment foot ASSY Dx3
10.Adiuster unit None
11.Adiuster unit None
Table 2-4
- 12 -

T erminal ASSY

Ax2
1
5
2
4
3
Jx2
Fx1
Fig.2-5
Parts list : See page 6 of PARTS LIST
Part name Number of screw
1.MAIN PCB ASSY Ax2,Bx4,Cx1
2.Terminal holder Dx8,Ex4,Fx1,Gx1,Hx1
3.Pin jack shield None
4.TERMINAL PCB ASSY Jx2
5.PCB holder None
Cx1
Hx1
Gx1
Dx8
Bx4
Ex4
Table 2-5
- 13 -

Optical unit 1

Fx2
1
Ex2
5
6
Bx1
7
12
Gx2
Ax1
Lx6
Nx4
Cx2 Dx2
2
Mx2
Qx3
Kx3
15
22
3 4
11
Jx2
10
Hx4
8
9
Sx1
17
Rx2
14
13
Px3
21
Wx2
Zx1
Yx1
Fig.2-6
20
Vx2
16
18
Tx4
19
Ux2
- 14 -
Parts list : See page 7 of PARTS LIST
Part name Number of screw
1.Lamp duct Ax1,Bx1
2.Lamp cover T duct Cx2
3.Thermistor Dx1
4.Thermostat Dx2
5.PBS fan Ex2
6.Lamp fan Fx2
7.PBS duct Gx2
8.Grille Hx4
9.Exhaust duct Jx2
10.Exhaust fan None
11.Lamp cover T Kx3
12.Sub frame cover Lx6,Mx2
13.Sub frame Nx4
14.LCD fan Px3
15.LCD block Qx3
16.Lamp case ASSY Rx2
17.Lamp Sx1
18.Lens unit Tx4
19.Zoom focus motor Ux2
20.Lens shift motor Vx2,Wx2
21.LCD duct Yx1,Zx1
22.Main F shift base None
Table 2-6
- 15 -

Optical unit 2

Fx1
Jx1
Kx1
12
Gx1
1
2
9
Ax2
3
11
Hx1
8
10
Ex1
7
Cx1
Dx1
6
5
1
Bx
4
Fig.2-7
Dlrections which the setting parts face in
Light source side(Lamp side)
123 7,8,9 10,11,12
Flat surface
Marking Color marking
Shaved edge
Uneven surface
Flat surface Flat surface
In possible
directions
Convex
Projection side(Lamp side)
4,5,6
Surface to stick the polarizer on
Color marking
4,7,10 : 5,8,11 : 6,9,12 :
- 16 -
Surface to stick
the polarizer on
Color marking Color marking
Flat surface Flat surface
Surface to stick the polarizer on
Blue Green Red
Parts list : See page 8 of PARTS LIST
A
Part name Number of screw
1.PBS ASSY None
2.Multi lens B None
3.Multi lens A Ax2
4.Polarizer (B) IN Bx1
5.Polarizer (G) IN Cx1
6.Polarizer (R) IN Dx1
7.Polarizer (B) OUT Ex1
8.Polarizer (G) OUT Fx1
9.Polarizer (R) OUT Gx1
10.Polarizer (B) PURI Hx1
11.Polarizer (G) PURI Jx1
12.Polarizer (R) PURI Kx1
Table 2-7

POSITION ADJUSTMENT OF MULTI LENS A

Follow the steps below for the adjustment after replacing the multi lens A.
Number of jig screw : 859C746O10
1. Fasten two screws (a) to secure the Multi lens A temporarily.
2. Project a full white raster on the screen.
3. Adjust the position of the multi lens A to correct color unevenness near the screen edges.
To adjust the vertical position, turn the screw (b). To adjust the horizontal position, use the jig screw (c).
4. Fasten two screws (a) and two screws (d) tightly to secure the Multi Lens A fi rmly.
ax2
b
d
x2
Multi lens
c
- 17 -

DISASSEMBLY

1. Removal of the terminal cover ASSY

1. Loosen the three screws (a) as shown in Fig. 3-1.
2. Open the bottom of the terminal cover ASSY outward
(as shown by the arrow (A)) as shown in Fig. 3-1.
3. Slide the top of the terminal cover ASSY to the front
for removal (as shown by the arrow (B)) as shown in Fig. 3-1.
B
A
ax3
Terminal cover ASSY
Fig. 3-1

2. Removal of the BOO PCB ASSY and BOO SUB PCB ASSY

1. Remove the terminal cover ASSY according to “1.
Remove of the terminal cover ASSY”.
2. Remove the four screws (a) as shown in Fig. 3-2.
3. Remove the alarm unit ASSY as shown in Fig. 3-2.
4. Remove the two screws (b) as shown in Fig. 3-2.
5. Remove the alarm cover U as shown in Fig. 3-2.
6. Remove the two screws (c) as shown in Fig. 3-2.
7. Remove the BOO PCB ASSY as shown in Fig. 3-2.
8. Remove the screw (d) as shown in Fig. 3-2.
9. Remove the BOO SUB PCB ASSY as shown in Fig.
3-2.
Alarm cover U
bx2
BOO PCB ASSY
ax4
cx2
BOO SUB PCB ASSY
Alarm unit ASSY
dx1
Fig. 3-2
- 18 -

3. Removal of the lens unit and zoom focus motor

1. Remove the six screws (a) as shown in Fig. 3-3.
2. Pull the top and left side of the front case unit (as
shown by the arrow (A)) as shown in Fig. 3-3.
3. Raise the left side of the front case unit (as shown by
the arrow (B)) as shown in Fig. 3-3.
4. Pull the left side of the front case unit to front for re-
moval (as shown by the arrow (c)) as shown in Fig. 3-3.
5. Remove the three screws (b) as shown in Fig. 3-3.
6. Slide the top cover unit to the front (as shown by ar-
row (D)) as shown in Fig. 3-3.
7. Remove the top cover unit to upward (as shown by
the arrow (E)) as shown Fig. 3-3.
8. Disconnect the connector (MA) as shown in Fig. 3-3.
9. Loosen the four screws (c) as shown in Fig. 3-3.
10. Remove the lens unit as shown Fig. 3-3.
11. Remove the two screws (d) as shown in Fig. 3-3.
12. Remove the zoom focus motor as shown in Fig. 3-3.
Top cover unit
D
E
bx3
Lens unit
cx4
Zoom focus motor
dx2
ax6
A B
C
Fig. 3-3
MA
Front case unit
- 19 -

4. Removal of the top case unit and KEY PCB ASSY

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the three screws (a), three screws (b) and
four screws (c) as shown in Fig. 3-4.
4. Disconnect the connector (ST) as shown in Fig. 3-4.
5. Remove the top case unit as shown in Fig. 3-4.
6. Remove the two screws (d) as shown in Fig. 3-4.
7. Remove the KEY PCB ASSY as shown in Fig. 3-4.
ax3
Top case unit
KEY PCB ASSY
ST
bx3
cx4
dx2
Fig. 3-4
- 20 -

5. Removal of the IRF PCB ASSY

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the screw (a) as shown in Fig. 3-5
5. Disconnect the connector (AM) as shown in Fig. 3-5
6. Remove the IRF PCB ASSY as shown in Fig. 3-5.

6. Removal of the MOTOR PCB ASSY

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the screw (b) as shown in Fig. 3-5.
5. Remove the motor PCB holder as shown in Fig. 3-5.
6. Remove the screw (c) as shown in Fig. 3-5.
7. Disconnect the two connectors (MA and MV) as
shown in Fig. 3-5.
8. Remove the MOTOR PCB ASSY as shown in Fig.
3-5.
Motor PCB holder
MOTOR PCB ASSY
bx1
ax1
IRF PCB ASSY
MV
AM
MA
cx1
Fig. 3-5
IRR PCB ASSY
dx1
AL

7. Removal of the IRR PCB ASSY

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Removal the screw (d) as shown in Fig. 3-5.
5. Disconnect the connector (AL) as shown in Fig. 3-5.
6. Remove the IRR PCB ASSY as shown in Fig. 3-5.
- 21 -

8. Removal of the speaker

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the two screws (a) and screw (b) as shown
in Fig. 3-6.
5. Remove the terminal board unit as shown in Fig. 3-6.
6. Disconnect the connector (TL) as shown in Fig. 3-6.
7. Remove the bush SP as shown in Fig. 3-6.
8. Remove the speaker as shown in Fig. 3-6.

9. Removal of the power fan

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the fi ve screws (a) as shown in Fig. 3-7.
5. Remove the main barrier as shown in Fig. 3-7
6. Remove the two screws (b) as shown in Fig. 3.-7.
7. Remove the fan holder F as shown in Fig. 3-7.
8. Remove the four screws (c) as shown in Fig. 3-7.
9. Remove the fan guard and power fan as shown in
Fig. 3-7.
Power fan
bx2
Bush SP
Terminal board unit
Fig. 3-6
Main barrier
Fan guard
Speaker
TL
bx1
ax2
ax5
cx4
- 22 -
Fan holder F
Fig. 3-7

10. Removal of the MAIN PCB ASSY

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the terminal board unit according to “8. Re-
moval of the speaker”.
5. Remove the main barrier according to “9. Removal of
the power fan”.
6. Remove the three screws (a), two screws (b), four
screws (c) and screw (d) as shown in Fig. 3-8.
7. Disconnect the connectors (SA, SC,SD, SE, SF, SL,
SQ, SX and SZ) as shown in Fig. 3-8.
8. Remove the MAIN PCB ASSY as shown in Fig. 3-8.
Note: The DV-SV connector, DW-SW connector and SK-TK
connector are connected directly each other.
Disconnect these connectors before removing the
MAIN PCB ASSY.
ax3
SQ
SF
SC
SE
TERMINAL PCB ASSY
SD
SV SW
SA
SL
TW
bx2
SZ
MAIN PCB ASSY
SX
SK
PCB holder
TK
TL
nx2
T erminal ASSY
ex3
dx1
fx3
mx1
gx8
hx4
jx1
kx1
cx4
11. Removal of the TERMINAL PCB
ASSY
1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the terminal board unit according to “8. Re-
moval of the speaker”.
5. Remove the main barrier according to “9. Removal of
the power fan”.
6. Remove the three screws (a), three screws (e) and
three screws (f) as shown in Fig.3-8.
7. Disconnect the connectors (SA, SC, SD, SE,SF, SL,
SQ, SX, SZ, TL and TW) as shown in Fig. 3-8.
8. Remove the terminal ASSY as shown in Fig. 3-8.
Note: The DV-SV connector and DW-SW connector are
connected directly each other.
Disconnect these connectors before removing the
terminal ASSY .
9. Remove the two screws (b), four screws (c), screw (d),
eight screws (g), four screws (h), screw (j), screw (k) and screw (m) as shown in Fig. 3-8.
10. Remove the MAIN PCB ASSY and terminal holder as
shown in Fig. 3-8.
Note: The SK-TK connector are connected directly each
other.
Disconnect these connectors before removing the
MAIN PCB ASSY.
11. Remove the two screws (n) as shown Fig. 3-8.
12. Remove the TERMINAL PCB ASSY as shown Fig.
3-8.
DWDV
Fig. 3-8
Terminal holder
- 23 -
Y
12. Removal of the DRIVE PCB
ASSY and LCD block
1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the terminal board unit according to “8. Re-
moval of the speaker”.
5. Remove the main barrier according to “9. Removal of
the power fan”.
6. Remove the terminal ASSY according to “11. Remov-
al of the TERMINAL PCB ASSY”.
7. Remove the screw (a) as shown in Fig. 3-9.
8. Remove the main radiator as shown in Fig. 3-9.
9. Remove the two screws (b) as shown in Fig. 3-9.
10. Remove the main PCB holder as shown in Fig. 3-9.
11. Remove the eight screws (c) as shown in Fig. 3-9.
12. Disconnect the connectors (DB, DG, DP and DR) as
shown in Fig. 3-9.
13. Remove the DRIVE PCB ASSY as shown in Fig. 3-9.
14. Remove the three screws (d) as shown in Fig. 3-9.
15. Remove the LCD block as shown in Fig. 3-9.
Main PCB holder
bx2
DR
DP
LCD block
Main radiator
ax1
DG
cx8
DB
dx3
DRIVE PCB ASS
Fig. 3-9
- 24 -

13. Removal of the drive fan

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the terminal board unit according to “8. Re-
moval of the speaker”.
5. Remove the main barrier according to “9. Removal of
the power fan”.
6. Remove the terminal ASSY according to “11. Remov-
al of the TERMINAL PCB ASSY”.
7. Remove the DRIVE PCB ASSY according to “12. Re-
moval of the DRIVE PCB ASSY and LCD block ”.
8. Remove the two screws (a) and four screws (b) as
shown in Fig. 3-10.
9. Remove the drive PCB holder as shown in Fig. 3-10.
10. Remove the two screws (C) as shown in Fig. 3-10.
11. Disconnect the connector (ND) as shown in Fig. 3-10.
12. Remove the fan holder L as shown in Fig. 3-10.
13. Remove the three screws (d) as shown in Fig. 3-10.
14. Remove the drive fan as shown in Fig. 3-10.
PBS fan
cx2
Drive PCB holder ax2
ex2
ND
bx4
NB

14. Removal of the PBS fan

1. Remove the terminal cover ASSY according to “1.
Removal of the terminal cover ASSY”.
2. Remove the front case unit and top cover unit ac-
cording to “3. Removal of the lens unit and zoom fo­cus motor”.
3. Remove the top case unit according to “4. Removal
of the top case unit and KEY PCB ASSY”.
4. Remove the terminal board unit according to “8. Re-
moval of the speaker”.
5. Remove the main barrier according to “9. Removal of
the power fan”.
6. Remove the terminal ASSY according to “11. Remov-
al of the TERMINAL PCB ASSY”.
7. Remove the DRIVE PCB ASSY according to “12. Re-
moval of the DRIVE PCB ASSY and LCD block ”.
8. Remove the fan holder L according to “13. Removal
of the drive fan”.
9. Remove the two screws (e) as shown in Fig. 3-10.
10. Disconnect the connector (NB) as shown in Fig. 3-10.
11. Remove the PBS fan as shown in Fig. 3-10.
dx3
Fan holder L
Drive fan
Fig. 3-10
- 25 -
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