If the Original Version Service Manual Chassis No. does
not match the projector’s, additional Service Literature is
required. You must refer to “Notices” to the Original Service Manual prior to servicing.
PLC-WL2503A
REFERENCE NO. SM5111348-00
Contents
SERVICE MANUAL ....................................................... 1
Pin description of diode, transistor and IC .................
9
Note on Soldering ......................................................
52
53
54
55
56
56
57
61
68
70
A1
A2
A3
A9
A11
A12
-2-
Safety Instructions
Safety Precautions
WARNING:
The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side
of the converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is
identified with the line () in the schematic diagram. For continued product safety and protection of personnel injury, servicing should be made with qualified personnel.
The following precautions must be observed.
1: An isolation transformer should be connected in
the power line between the projector and the AC
line before any service is performed on the projector.
DO NOT OPERATE THIS PROJECTOR WITHOUT
THE PROTECTIVE SHIELD IN POSITION AND PR
OPERLY SECURED.
2: Comply with all caution and safety-related notes
provided on the cabinet back, cabinet bottom, inside
the cabinet or on the chassis.
3: When replacing a chassis in the cabinet, always
be certain that all the protective devices are
installed properly, such as, control knobs, adjustment covers or shields, barriers, etc.
4: Before replacing the cabinet cover, thoroughly
inspect the inside of the cabinet to see that no stray
parts or tools have been left inside.
Before returning any projector to the customer, the
service personnel must be sure it is completely safe
to operate without danger of electric shock.
Product Safety Notice
Product safety should be considered when a component replacement is made in any area of the projector.
Components indicated by mark ! in the parts list and the schematic diagram designate components in which
safety can be of special significance. It is, therefore, particularly recommended that the replacement of there
parts must be made by exactly the same parts.
Service Personnel Warning
Eye damage may result from directly viewing the light produced by the Lamp used in this equipment. Always
turn off Lamp before opening cover. The Ultraviolet radiation eye protection required during this servicing.
Never turn the power on without the lamp to avoid electric-shock or damage of the devices since the stabilizer
generates high voltages (15kV - 25kV) at its starts.
Since the lamp is very high temperature during units operation replacement of the lamp should be done at least
45 minutes after the power has been turned off, to allow the lamp cool-off.
-3-
Specifications
Mechanical Information
Projector Type Multi-media Projector
Dimensions (W x H x D) 13.78 x 5.10" x 15.03" ( 350.0mm x 129.4mm x 381.9mm ) (Not including protrusions)
Net Weight PLC-WL2500A:10.1 lbs (4.6kg) , PLC-WL2503A:10.3lbs (4.7Kg)
Feet Adjustment 0˚ to 10˚
Panel Resolution
LCD Panel System 0.59" TFT Active Matrix type, 3 panels
Panel Resolution 1,280 x 800 dots
Number of Pixels 3,072,000 (1,280 x 800 x 3 panels)
Signal Compatibility
Color System
SD/HDTV Signal 480i, 480p, 575i, 575p, 720p, 1035i, and 1080i
Input Scanning Frequency H-sync. 15 kHz-100 kHz, V-sync. 50-100 Hz
PAL, SECAM, NTSC, NTSC4.43, PAL-M, and PAL-N
Optical Information
Projection Image Size (Diagonal) Adjustable from 60” to 110”
Throw Distance 2.09’ - 3.94' (0.64 m - 1.20 m)
Projection Lens F 1.8 lens with f 6.68 mm with manual focus
Projection Lamp 230W
Interface
Video Input Jack RCA Type x 1
S-Video Input Jack Mini DIN 4 pin x 1
Audio Input Jacks RCA Type x 2
Computer Input 1 / Component Input Terminal
Computer Input 2 / Monitor Output Terminal
Computer/ Component Audio Input Jack
Control port D-sub 9 pin x 1
Audio Output Jack Mini Jack (stereo) x 1 (Variable)
LAN Connection Terminal RJ-45
HDMI x 1
Analog RGB (Mini D-sub 15 pin) Terminal x 1
Analog RGB (Mini D-sub 15 pin) Terminal x 1 (In/Out switchable)
Mini Jack (stereo) x 1
Voltage and Power Consumption AC 100–120 V (3.9 A Max. Ampere), 50/60 Hz (The U.S.A and Canada)
AC 100-240 V (3.9 - 2.2 A Max. Ampere), 50/60Hz (For other countries)
Operating Environment
Operating Temperature 41˚F–95˚F (5 ˚C–35 ˚C)
Storage Temperature 14˚F–140˚F (-10˚C–60 ˚C)
Remote Control
Battery AAA or LR03 1.5V ALKALINE TYPE x 2
Operating Range 16.4' (5 m)/±30˚
Dimensions 2.0" (W) x 0.7" (H) x 4.3" (D) (52 mm x 18 mm x 110 mm)
Net Weight 2.37 oz (67 g) (including batteries)
Accessories
Owner’s Manual (CD-ROM), Quick Reference Guide, AC Power Cord, Remote Control and Batteries
VGA Cable, PIN Code Label, Lens Cover, Safety Manual
Only PLC-WL2503A : CD-ROM (ED Interactive CD), IR Light Pen, IR Pointer, Cable, USB
● The specifications are subject to change without notice.
● LCD panels are manufactured to the highest possible standards. Even though 99.99% of the pixels are effective, a
tiny fraction of the pixels (0.01% or less) may be ineffective by the characteristics of the LCD panels.
This symbol on the nameplate means the product is Listed by Underwriters Laboratories Inc. It is designed and manufactured to meet rigid U.L. safety standards
against risk of fire, casualty and electrical hazards.
-4-
Circuit Protections
This projector provides the following circuit protections to operate in safety. If the abnormality occurs inside the projector, it will automatically turn off by operating one of the following protection circuits.
Thermal switch
There is the thermal switch (SW902) inside of the projector to detect the internal temperature rising abnormally.
When the internal temperature reaches near 85˚C, the
thermal switch opens to cut off the power to the power
circuit.
The thermal switch can be reset itself automatically
when the internal temperature becomes normal.
When the internal temperature reaches near 55˚C, the
thermal switch returns automatically.
Fuse
A fuse is located inside of the projector. When the POWER indicator is not lighting, the fuse may be opened.
Check the fuse as following steps.
The fuse should be used with the type listed right;
How to replace the fuse
1. The fuse is placed on the filter board behind the main
board. Remove the cabinet top, AV panel and main
board.
2. Take the fuse off, and replace the new one with the
specified type.
Lamp cover switch
The lamp cover switch (SW901) cuts off the drive signal
to the lamp circuit when the lamp cover is removed or
not closed completely. After opening the lamp cover for
replacing the lamp ass’y, place the lamp cover correctly
otherwise the projector can not turn on.
Fuse Part No.: 323 021 7804
TYPE T6.3AH 250V FUSE
LITTEL FUSE INC. TYPE 21506.3
Fuse Part No, : 423 034 4101
TYPE T6.3AH 250V FUSE
Hollyland Co, Ltd. TYPE 50CT063H
Thermal switch
(SW902)
Lamp cover switch
(SW901)
Fuse
(F601)
-5-
Circuit Protections
Warning temperature and power failure protection
The projector will be automatically turned off when the internal temperature of the projector is abnormally high, or the
cooling fans stop spinning, or the power supplies in the projector are failed.
LED indicator
WARNING emit a
red light
The projector is shut down and the WARNING indicator is blinking red.
When the temperature inside the projector reaches a certain level, the projector will be automatically shut down to
protect the inside of the projector and the WARNING and POWER indicators start blinking. When the projector has
cooled down enough (to its normal operating temperature), the POWER indicator stops blinking and lights red, The
projector can be turned on again by pressing the ON/STAND-BY button.
4Note:
The WARNING indicator continues to blink even after the temperature inside the projector returns to normal. When
the projector is turned on again, the WARNING indicator stops blinking.
Check items
- Remove dust around the air filter.
- Ventilation slots of the projector are blocked. In such an event, reposition the projector so that ventilation slots are
not obstructed.
- Check if projector is used at higher temperature place (Normal operating temperature is 5 to 35 ˚C or 41 to 95˚F)
The projector is shut down and the WARNING indicator lights red.
When the projector detects an abnormal condition, it is automatically shut down to protect the inside of the projector
and the WARNING indicator lights red. In this case, unplug the AC power cord and reconnect it, and then turn the
projector on once again to verify operation.
4Note:
- If the WARNING indicator lights red, it may defect the cooling fans or power supply circuits. Check fans operation and
power supply lines referring to the chapter “Power supply & protection circuit” and "Fan conrol circuit" in the Chassis
Block Diagram section.
WARNING
DO NOT LEAVE THE PROJECTOR WITH THE AC POWER CORD CONNECTED UNDER AN
ABNORMAL CONDITION. IT MAY RESULT IN FIRE OR ELECTRIC SHOCK.
-6-
Maintenance
Replacing the filters
Filter prevents dust from accumulating on the optical elements inside the projector. Should the filter become
clogged with dust particles, it will reduce cooling fans’ effectiveness and may result in internal heat buildup and
adversely affect the life of the projector. If a “Filter warning” icon appears on the screen, replace the filter cartridge
immediately by following the steps below.
Turn off the projector, and unplug the AC power cord
1
from the AC outlet.
First, clean up the dust on the projector and around the
2
air vents.
Press and hold any part of the red circle, and press 7
3
leftwards on the filter cover to release the latch and
open the filter cover.
Pull out the filter cartridge. When taking out the filter car-
4
tridge, put your fingers on the filter tab and then pull.
Put the new one back into the position and close the
5
filter cover. Ensure that the area with “TOP” mark is
in an upward direction.
Connect the AC power cord to the projector and turn on
6
the projector.
Reset the filter counter.
7
CAUTION
Do not operate the projector with the filters removed. Dust may accumulate on the optical elements degrading picture quality.
Do not put anything into the air vents. Doing so
may result in malfunction of the projector.
RECOMMENDATION
We recommend avoiding dusty/smoky environments when
you operate the projector. Usage in these environments may
cause poor image quality.
When using the projector under dusty or smoky conditions,
dust may accumulate on a lens, LCD panels, or optical ele
ments inside the projector degrading the quality of a projected image. When the symptoms above are noticed, contact
your authorized dealer or service station for proper cleaning.
Latch
Filter counter
-
Filter cover
TOP mark
Pull out and
remove.
Resetting the filter counter
Be sure to reset the filter counter after replacing the filters.
Press the MENU button to display the On-Screen
1
Menu. Use the Point ed buttons to select Setting and
then press the Point 8 or SELECT button.
Use the Point ed buttons to select Filter counter and
2
then press the Point 8 or the SELECT button. Use the
Point ed buttons to select Filter counter Reset and
then press the SELECT button. Filter counter Reset?
appears. Select Yes to continue.
Another confirmation dialog box appears, select Yes to
3
reset the filter counter.
-7-
Filter counter
Reset? appears.
Select Yes, then
another confirmation
box appears.
Select Yes again to
reset the filter coun
ter.
-
Maintenance
Lamp replacement
When the projection lamp of the projector reaches its end
of life, the Lamp replacement icon appears on the screen
and LAMP REPLACE indicator lights yellow. Replace the
lamp with a new one promptly. The timing when the LAMP
REPLACE indicator should light is depending on the lamp
mode.
WARNING:
TURN OFF THE UV LAMP BEFORE
OPENING THE LAMP COVER
Top Panel
This indicator turns yellow
when the projection lamp
reaches the end of its life.
Lamp replacement icon
Note:
The lamp replacement icon will not appear when the display
function is set to Off, during Freeze, or No show.
CAUTION
When replacing the lamp because it has stopped illuminating, there is a possibility that the lamp may be bro
ken. If replacing the lamp of a projector which has been installed on the ceiling, you should always assume
that the lamp is broken, and you should stand to the side of the lamp cover, not underneath it. Remove the
lamp cover gently. Small pieces of glass may fall out when the lamp cover is opened. If pieces of glass get
into your eyes or mouth, seek medical advice immediately.
CAUTION
Allow a projector to cool for at least 45 minutes
before you open the lamp cover. The inside of
the projector can become very hot.
For continued safety, replace with a lamp of the
same type. Do not drop a lamp or touch a glass
bulb! The glass can shatter and may cause injury.
CAUTION
-
Follow these steps to replace the lamp.
Turn off the projector and unplug the AC power cord. Let
1
the projector cool for at least 45 minutes.
Loosen the screw and open the lamp cover.
2
Loosen the three (3) screws that secure the lamp. Lift
3
the lamp out of the projector by using the handle.
Replace the lamp with a new one and secure the three
4
(3) screws. Make sure that the lamp is set properly.
Close the lamp cover and secure the screw.
Connect the AC power cord to the projector and turn on
5
the projector.
Reset the lamp counter.
6
See “Resetting the lamp counter” on the next page.
Lamp cover
Screw
Screws
Lamp
Handles
ORDER REPLACEMENT LAMP
Replacement lamp can be ordered through your dealer. When ordering a projection lamp, give the following
information to the dealer.
Replacement Lamp Type No. : POA-LMP141
Service Parts No. : 610 349 0847
-8-
Counter
Projector 500H
Lamp
Normal 300 H
Eco 200 H
Corresponding value 600 H
Maintenance
Resetting the lamp counter
Be sure to reset the lamp counter after the lamp is replaced. When the lamp counter is reset, the LAMP REPLACE
indicator stops lighting and the lamp replacement icon disappears.
Press the MENU button to display the On-Screen
1
Menu. Use the Point ed buttons to select Setting
and then press the Point 8 or the SELECT button.
Use the Point ed buttons to select Lamp counter
2
and then press the SELECT button. Use the Point ed
buttons to select Lamp counter reset and then press
SELECT button. Lamp replacement counter Reset?
appears. Select Yes to continue.
Another confirmation dialog box appears, select Yes to
3
reset the lamp counter.
Note:
Do not reset the lamp counter without implementing lamp
replacement. Be sure to reset the lamp counter only after
replacing the lamp.
Lamp counter reset
Lamp replacement counter
Reset? appears.
Select Yes, then another confirmation box appears.
Select Yes again to reset
the lamp counter.
How to check lamp used time
The LAMP REPLACE indicator will light yellow when
the total lamp used time (Corresponding value) reaches
4,000 hours. This is to indicate that lamp replacement
is required.
The total lamp used time is calculated by using the below expression,
Total lamp used time (Corresponding value)
= Teco + Tnormal x 1.33
Tnormal : used time in the normal modeTeco : used time in the eco mode
Projector used time
Total lamp used time
You can check the lamp used time following to the below procedure.
1 Press and hold the ON/STAND-BY button on the re-
mote control for more than 20 seconds.
2 The projector used time and lamp used time will be
displayed on the screen briefly as follows.
-9-
Maintenance
Attaching the lens cover
When moving the projector or while it is not in use, replace
the lens cover.
Thread the string through the hole on the lens cover
1
and then tie a knot in the string to secure it in place.
To pass the other end of the string into the hole on
2
the top of the projector and pull at it.
Cleaning the projector
Cleaning the projection lens
Unplug the AC power cord before cleaning.
Gently wipe the projection lens with a cleaning cloth that
contains a small amount of non-abrasive camera lens
cleaner, or use a lens cleaning paper or commercially available air blower to clean the lens.
Avoid using an excessive amount of cleaner. Abrasive
cleaners, solvents, or other harsh chemicals might scratch
the surface of the lens.
Cleaning the projector cabinet
Unplug the AC power cord before cleaning.
Gently wipe the projector body with a soft dry cleaning cloth.
When the cabinet is heavily soiled, use a small amount of
mild detergent and finish with a soft dry cleaning cloth. Avoid
using an excessive amount of cleaner. Abrasive cleaners,
solvents, or other harsh chemicals might scratch the surface of the cabinet.
When the projector is not in use, put the projector in an appropriate carrying case to protect it from dust and scratches.
CAUTION
Do not use any flammable solvents or air sprays on the projector and in its vicinity. The explosion or fire hazard may
occur even after the AC power cord is unplugged because
the temperature inside the projector is extremely high due to
the lamps. In addition, there is a risk that the internal parts
may be damaged not only by the flammable air spray but
also by the cold air.
-10-
Security Function Notice
This projector provides security functions such as "Key lock", "PIN code lock" and "Logo PIN code lock". When the
projector has set these security function on, you are required to enter correct PIN code to use the projector. If you
do not know the correct PIN code to the projector, the projector can no longer be operated or started. In this case,
you must reset those function first according to the resetting procedure described below and then check up on the
projector.
FunctionDescription
Locks operation of the side control or the remote control.
Key lock
PIN code lock
Logo PIN code lock
If the Key lock is enabled with side control lock, the projector can no longer be started.
Initial setting: Key lock function is disabled
Prevents the projector from being operated by an unauthorized person.
Initial code: “1234”
Prevents an unauthorized person for changing the startup logo on the screen.
Initial code: “4321”
Resetting procedure
1 Disconnect the AC power cord from the AC outlet.
2 As pressing the SELECT button, connect the AC power cord into an AC outlet again.
3 Keep pressing the SELECT button and then press the ON/STAND-BY button.
4 Release the ON/STAND-BY button first and then release the SELECT button.
- The PIN code lock and Logo PIN code lock will be reset as the initial PIN code at the factory and the Key lock
function is disabled.
Please refer to the owner's manual for further information of the security functions.
-11-
Standby Mode Notice
This projector provides 2 types of standby mode, Eco standby and Network standby. According to the standby mode
"Eco" or "Network", several functions are restricted as shown in the table below. To change the standby mode, use
the projector's menu "Setting".
Network ............ Supply the power to the network function even after turning off the projector. You can turn on /off
the projector via network, modify network environment, and receive an e-mail about projector status
while the projector is powered off.
Eco ................... Select "Eco" when you do not use the projector via network. The projector's network function will stop
when turning off the projector.
When "Eco" is selected, several functions will be restricted.
Function in the standby mode
FunctionEcoNetwork
Serial command control--
Network function--
Monitor out--
Audio out----
Direct on
--
4
4
4
4
-12-
Mechanical Disassembly
Mechanical disassembly should be made following procedures in numerical
order.
Following steps show the basic procedures, therefore unnecessary step may
be ignored.
Caution:
The parts and screws should be placed exactly the same position as the original otherwise it may cause loss of performance and product safety.
z Filter cartridge removal
1. Press and hold the part indicated with the arrow, and press 7 leftwards
on the filter cover to release the latch and open the filter cover.
2. Pull out the filter cartridge.
Screws expression
(Type Diameter x Length) mm
T type M Type
Filter cartridge
Filter cover
Fig.1
Note:
Do not disassemble the filter cartridge to clean up or replace the parts inside of the filter
cartridge. When replacing the filter cartridge, replace whole the filter cartridge with new
one to maintain the projector's performance.
-13-
Mechanical Disassembly
x AV panel and cabinet top removal
1. Remove 5 screws A(M3x8) to remove the AV panel.
2. Remove 3 screws B(T3x8), 1 screw C(T3x8), 2 screws D(M3x8) and 1 screw E(T3x8)
and 1 screw F(T3x8) to remove the cabinet top assy.
3. Loosen 1 screw G and remove the lamp cover in the arrow direction.
4. Remove 2 screws H(T3x8) to remove the shield plate.
Lamp cover
G
D
Cabinet top
D
Shield plate
H
F
H
B
B
B
AV panel
E
A
A
C
(Located on the center of
the cabinet bottom.)
A
A
A
Fig.2
-14-
Mechanical Disassembly
c Main, filter boards and lamp removal
1. Remove 2 screws A(M4x6), 2 screws B(T3x8), 2 screws C(M2.5x8) and remove the
main board upward.
2. Remove 2 screws D(M4x6) and 2 screws E(T3x8) and remove the filter shield top.
3. Remove 1 screw F(M3x6) and 2 screws G(T3x8) and remove the filter board upward
off.
4. Loosen 3 screws H and pull the lamp upward off.
Lamp
Main board
C
H
C
B
B
A
A
E
E
D
D
F
Filter shield top
GG
Isolation sheet
Filter board
-15-
Fig.3
Mechanical Disassembly
v Power, ballast boards and fans (FN906, FN907) removal
1. Remove 3 screws A(T3x8) to remove the fans (FN906, FN907) assy.
2. Remove 1 screw B(T3x8) to remove the lamp socket. Remove 3 screws C(T3x8) to remove the lamp cover bottom. Unhook the ballast cable from the cabinet bottom.
3. Remove 2 screws D(M4x6) and 3 screws E(T3x8). Disconnect the connectors "CN1" on
the ballast board and "K6C" on the power board. Remove the power box top upward off.
4. Remove 3 screws F(T3x8) to remove the power board.
D
D
E
E
E
Lamp socket
Lamp cover
bottom
B
CC
C
A
A
A
FN906
FN907
F
F
F
Power box top
Power board
Isolation sheet
Fig.4
Isolation sheet
Ballast board
-16-
Mechanical Disassembly
b Optical unit and duct assembly removal
1. Remove 2 screws A(T3x8) to remove the main board holder.
2. Remove 2 screws B(T3x12) and 5 screws C(T3x8) and remove the optical
unit upward off.
3. Remove 9 screws D(T3x8) and remove the duct assembly upward off.
A
A
Main board
holder
B
B
SW901
Lamp cover
switch
T3x12
Duct assy
T3x8
D
D
Temp sensor A
board
C
C
D
D
D
D
D
D
C
C
C
Optical unit
D
Fig.5
Panel duct
bottom
FN904
FN903
T3x30
T3x30
FN902FN901
T3x12
T3x12
T3x30
T3x30
-17-
Mechanical Disassembly
n Fan (FN905), SW902, temp sensor C, R/C front board removal
1. Remove 2 screws A(T3x8) to remove the duct assy. Remove fan (FN905) and temp
sensor C board.
2. Remove 1 screw B(T3x8) to remove the thermal switch holder and thermal switch
(SW902).
3. Remove 2 screws C(T3x8) to remove the lens holder. Pull the R/C front board
upward off.
T3x8
Temp sensor
C board
T3x30
T3x30
T3x12
Speaker box
B
A
A
SW902
Bushes
FN905
T3x12
C
C
Lens holder
R/C front board
SW902
Fig.6
-18-
Optical Parts Disassembly
Before taking this procedure, remove AV panel, cabinet top and main board following to the “Mechanical disassembly”.
Disassembly requires a 2.0mm hex wrench and a screwdriver.
z Projection lens removal
(T3x8)x2
Note: The main board holder should be removed from the
cabinet bottom before removing the projection lens.
Projection lens
x Integrator lens (OUT) & PBS removal
Main board holder
(M3x8)x4
Fig.1
Lens holder top
Lens assy
(M2.5x6)x1
(M3x14)x2
Fig.2
PBS
marker
* Rugged surface
is facing to PBS.
PBS
Light mask PBS
Integrator(OUT)
Light mask Int
* Rugged sur
Integrator(IN)
face is facing
to the lamp.
-19-
Optical Parts Disassembly
c Condenser lens (OUT) removal
(M2.5x6)x2
Fig.3
v Polarized glasses removal
Polarized glass(IN/B)
(M2.5x6)x3
Condenser Lens(OUT)
Polarized glass(IN/G)
Polarized glass(IN/R)
(M2.5x6)
* Polarized glass is not re-
moved from the mounting
base.
Fig.4
-20-
Optical Parts Disassembly
b LCD panel/prism assy removal
Loosen 1 screw A and then pull the panel/prism assy upward off.
LCD panel/prism assy
A
Fig.5-1
*Note on handling the LCD panel/prism assy
LCD panel, polarized glasses are very sensitive parts.
Never touch or wipe the surface. When removing the dust on the surface, use a commercial (inert gas) air spray
to remove them.
-21-
Optical Parts Disassembly
L3D05X-86G10
a01J6336L9
-86G10
L3D05X-85G10
a01J6336L9
-85G10
Panel type check
There are 2 types of LCD panel/prism assy for this model. Either L-type or R-type LCD panel/prism assy is used on
the projector. Check which type of LCD panel/prism assy is used with the figure below.
When replacing the LCD panel/prism assy, you need to take "Panel type check and setting" on the electrical adjust
ment for the replaced LCD panel/prism assy.
The gamma-characteristics is different between L-type and R-type LCD panel/prism assy.
How to check the type of LCD panel/prism assy
Check the printed number on the flat cable of the G-LCD panel.
IMPORTANT NOTICE on LCD panel/prism assy replacement
LCD panels used for this model can not be replaced separately. Do not disassemble the LCD panel/prism assy.
These LCD panels are installed with precision at the factory. When replacing the LCD panel, should be replaced
whole of the LCD panels and prism assy at once.
When replacing the LCD panel/prism assy, take the optical and electrical adjustments following to the chapter
"Adjustment".
-22-
Optical Parts Disassembly
n Optical unit top removal
Optical unit top
Unhook 6 hooks to remove the optical unit top.
Fig.6
m Relay lens(OUT) assy removal
(M2.5x5)
Relay lens(OUT)
Fig.7
-23-
Optical Parts Disassembly
m Locations and directions
When mounting or assembling the optical parts in the optical
unit, the parts must be mounted in the specified location and
direction as shown in figure below.
* To adjust this item, the Projector Service Tool v. 4.20 software is needed. Refer to the owner's manual for this software for the
further details.
●●
●●
●●
❍❍❍❍❍❍❍
❍❍❍❍❍❍❍
❍❍❍❍❍
●●●
●●
❍
❍
❍
Note on main board replacement
Take the following setting and replacement when the main board is replaced.
- Shipment data setting (Color shading correction, gamma correction)
- Memory IC replacement
● Shipment data setting
This projector stores "Color shading correction data" and "Gamma correction data" in the flash memory (IC801) on the
main board. Those shipping data have been setup according to the optical characteristics of the mounted LCD panels
preciously in the factory. When replacing the main board, you need to read out the those setting data stored in the
memory IC on the previous main board and write down them into the memory IC on the new main board. By this way,
the projector enables to reproduce the picture which has properly adjusted color shading correction, gamma correction. For further details, refer to the operation manual of the software [PROJECTOR SERVICE TOOL v4.20].
PROJECTOR SERVICE TOOL CD-ROM v4.20
SERVICE CODE: 610 343 5596
● Memory IC replacement (IC1371)
Memory IC (IC1371) on the main board stores the user control value including lamp used time. When the main
board is replaced with new one, the lamp used time will be reset. To keep the lamp use time, the memory IC should
be replaced with the one on previous main board.
-25-
Optical Adjustments
Before taking optical adjustments below, remove the AV panel and cabinet top following to the “Mechanical disassembly”.
Optical adjustment requires a 2.0mm hex wrench and a slot screwdriver.
WARNING : USE UV RADIATION EYE AND SKIN PROTEC-
TION DURING SERVICING
CAUTION: To prevent suffer of UV radiation, those adjust-
ment must be completed within 25 minutes.
Contrast adjustment
[Before adjustment]
- Input a 100% of black raster signal.
1 Loosen a screw A (Fig.1) on the polarized glass
mounting base which you intend to adjust.
2 Adjust the slot B to obtain the darkest brightness on
the screen by using a slot screwdriver.
3 Tighten the screw A to fix the polarized glass mount-
ing base.
A
Repeat steps 1 to 3 for remaining polarized glasses.
- This adjustment should be taken in order of G-panel,
R-panel and B-panel.
- This adjustment should be taken in the darkest room to
adjust preciously.
B
A
B
A
B
Fig.1
-26-
Optical Adjustments
Condenser lens (OUT) adjustment
1 Turn the projector on by a state of without FPC cables.
2 Project all of lights on the screen.
3 Adjust the adjustment base of condenser lens (OUT) assy to make
color uniformity in white.
1) If the shading appears on the left or right of the screen as shown
in Fig.2-1, loosen 1 screw C , and adjust the slot D to make color
uniformity in white by using a slot screwdriver.
2) If the shading appears on the top or bottom of the screen as shown
in Fig.2-2, loosen 2 screws E, and adjust the slots F to make color
uniformity in white by using a slot screwdriver.
4 Tighten screws C and E to fix the condenser lens (OUT) assy.
Note:
The relay lens adjustment must be carried out after completing this adjustment.
White
C
D
Fig.2-1
Moving of slot D
White
E
F
E
F
-27-
Fig.2-2
Moving of slot F
Optical Adjustments
Relay lens (OUT) adjustment
1 Turn the projector on by a state of without FPC cables.
2 Project all of lights on the screen.
3 Adjust the adjustment base of relay lens (OUT) assy to make color unifor-
mity in white.
If the shading appears on the left or right of the screen as shown in Fig.3,
loosen 1 screw G by using a hex screwdriver, and adjust the slot H to make
color uniformity in white by using a slot screwdriver.
4 Tighten the screw G to fix the relay lens (OUT) assy.
White
H
G
Fig.3
Moving of slot H
-28-
Electrical Adjustments
Service Mode
Input Computer 1
Group No. Data
0
0 +179
Ver.
1.00
White 100%
White 0%
WYCGMRB BK
White 100%
White 0%
Service adjustment menu operation
To enter the service mode
To enter the “Service mode”, press and hold the MENU button on the
remote control for more than 20 seconds. The service menu appears on the
screen as follows.
To adjust service data
Select the adjustment group no. by pressing the MENU button (increase)
or SELECT button (decrease), and select the adjustment item no. by
pressing the pointer e or d button, and change the data value by pressing
the 7 or 8button. Refer to the “Service adjustment data table” for further
description of adjustment group no., item no. and data value.
To exit the service mode
To exit the service mode, press the ON/STAND-BY button on the remote
Group No.
Item No.
Data value
Firmware version
control.
Circuit adjustments
CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the following
adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance
and product safety. Before adjustment, please turn on the projector more than ten minutes.
WARNING : USE UV RADIATION EYE AND SKIN
PROTECTION DURING SERVICING.
CAUTION:
To prevent suffer of UV radiation, those adjust
ments must be completed within 25 minutes.
[Adjustment condition]
● Input signal
Analog computer signal .....
Composite video signal ........ 1.0Vp-p/75W terminated (NTSC / PAL)
Component video signal ...... 1.0Vp-p/75W terminated (480i)
* Before setting, you need to check which type of LCD pan-
el is placed on the projector according to the item "LCD
panel/prism assy removal" in the chapter "Optical parts
disassembly".
c PC auto calibration
Input mode Computer 1 (RGB)
Input signal XGA computer signal
Input pattern 16-step gray scale
1. Enter the service mode.
2.
Select Group "260", No. "0" and set data value "0" to
"1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
v
Component auto calibration
Input mode Computer 1 (Component)
Input signal 480i componennt signal
Input parttern 8 color signal
1. Enter the service mode.
2.
Select Group "260", No. "0" and set data value "0" to
"1".
The projector begins auto-calibration and then "OK"
will appear on the screen.
1. Enter the service mode.
2. Panel type check
Select group no. "290", item no. "0". Check the data
value as follows;
Data value: 0 For L-type of LCD panel
Data value: 20 For R-type of LCD panel
If the mounted LCD panel type and set panel mode
are differ, take the step below.
3. Panel type mode setting
Select group no. "290", item no. "1" and change data
value from 10 to 0 or 20 depending on your LCD panel
type. When the data value reaches 0 or 20, it returns
to 10 quickly. The gamma-characteristics changes ac-
cording to your selection.
Note:
Be careful to take this adjustment. The value of gamma
adjustment data will be reset and cannot be restored if
you change the mode of LCD panel type
b Video auto calibration
Input mode Video
Input signal Composite video signal
Input pattern 16-step gray scale
1. Enter the service mode.
2.
Select Group "260", No. "0" and set data value "0" to
"1".
After the auto-calibration completed, "OK" will appear
on the screen.
Adjustments item no. [3] to [5] are carried out at the
spare parts shipment in the factory, therefore they are
not required when the main board is replaced with new
one.
-30-
Electrical Adjustments
Black Lebel
(a)
White Level
Black Lebel
(a)
White Level
(a)
White Level
PC, video, component manual adjustment
When the PC, video or component auto calibration fails,
take the following manual adjustment instead of auto
calibration.
[1] Manual adjustment (PC)
Input mode Computer 1 (RGB)
Input signal XGA computer signal
Input pattern 16-step gray scale
- Pedestal adjustment
1. Enter the service mode.
2. Adjust the black level to be minimum by changing the
data values of the Group - No.
Input mode Video
Input signal Composite video signal
Input pattern 16-step gray scale
- Gain adjustment
1. Enter the service mode.
2. Adjust the amplitude “a” to be minimum by changing
the data values of the Group - No.
Group No. Test Point Adjustment
20 - 0TP35G Y-Level
-31-
Electrical Adjustments
n Common voltage adjustment
Input mode Computer 1 (RGB)
Input signal XGA computer signal
Input pattern 50%-RGB whole signals or 16-step
gray scale
1. Enter the service mode.
2. Select Group "100", No. "92" and then change data
value from "0" to "2" to reduce the panel frequency.
3. Change data value to obtain the minimum flicker for
each color on screen.
Group No. Adjustment
101 - 0 for red flicker
101 - 1 for green flicker
101 - 2 for blue flicker
4. Select Group "100", No. "92" and then change data
value from "2" to "0".
m 50% White adjustment [PC]
Equipment Luminance meter
Input mode Computer 1 (RGB)
Input signal XGA computer signal
Input pattern 100%-white and 50%-gray whole
signals
. White balance adjustment [PC]
Input mode Computer 1 (RGB)
Input signal XGA computer signal
Input pattern 16-step gray scale or 50% white pat-
tern
1. Enter the service mode.
2. Change data value to obtain the proper white balance.
Group No. Adjustment
100 - 7 Red color balance
100 - 8 Blue color balance
⁄0White balance adjustment [Video]
Input mode Video
Input signal Composite video signal
Input pattern 16-step gray scale or 50% white pat-
tern
1. Enter the service mode.
2. Change data value to obtain the proper white balance.
Group No. Adjustment
100 - 7 Red color balance
100 - 8 Blue color balance
1. Enter the service mode.
2. Input the 100%-white computer signal and measure
luminance on the screen with the luminance meter. It
is A for the reading of luminance meter.
3. Change the signal source to the 50%-white computer
signal.
4. Select group no. "100", item no. "6" and change the
Data value to make the reading of luminance meter to
be A x 22%.
, 50% White adjustment [Video]
Equipment Luminance meter
Input mode Video
Input signal Composite video signal
Input signal 100%-white and 50%-gray whole
signals
1. Enter the service mode.
2. Input the 100%-white composite video signal and
measure luminance on the screen with the luminance
meter. It is A for the reading of luminance meter.
3. Change the signal source to the 50%-white composite
video signal.
4. Select group no. "100", item no. "6" and change the
Data value to make the reading of luminance meter to
be A x 22%.
Color shading correction adjustment
⁄1
If the correction of the Color shading adjustment is necessary, please adjust the "Color shading" by using the
"COLOR SHADING CORRECTION" software included
in the PROJECTOR SERVICE TOOL CD-ROM supplied
separately.
The color shading correction adjustment for this model
should be performed with the whole-gray patterns specified as below.
4-input patterns
6.25%, 12.5%, 25%, 50% whole gray
Corresponding to the pull-down menu of the gray level
selector on the software.
Level 0 : 6.25%
Level 384 : 12.5%
Level 640 : 25%
Level 1032 : 50%
Relation of level (%) indication and signal pattern
0% : Black
100% : White
The Color Shading Correction software CD-ROM
can be ordered with following service code
PROJECTOR SERVICE TOOL CD-ROM v4.20
SERVICE CODE: 610 343 5596
.
-32-
Electrical Adjustments
IC561
K5B
K5G
K5R
K6E
K6G
K6J
K6P
K6F
IC1371
K8F
K8H
K8K
K8L
K8R
K8S
TPFANA
TPFANB
TPFANC
IC501
IC531
TP35B
TP35R
TP35G
K8D
Test points and locations
MAIN BOARD
-33-
Electrical Adjustments
Service adjustment data
These initial values are the reference data written from the CPU
ROM to memory IC when replaced new memory IC. The adjust
ment items indicated with “
✻” are required to readjust following
to the “Electrical adjustments”. Other items should be used with
the initial data value.
Video(S-Video) / Component / SCART /
ANALOG / DIGITAL / HDCP
Setting Value=
(MENU Value - MENU Center Value ) x
Alpha / 10 + Center
[Setting Value to PW]
Contrast [Max] 1023 [Min] 0
Brightness [Max] 1023 [Min] 0
Color [Max] 1023 [Min] 0
Tint [Max] 180 [Min] 0
Sharpness [Max] 57 [Min] 0
R and B linked to G10 G_ReferLNormal-Mount / Ceiling788 / 7880 - 4095
R and B linked to G13 B_ReferHNormal-Mount / Ceiling4095 / 40950 - 4095
R and B linked to G24 GammaCtrl10 - 1
-36-
Electrical Adjustments
Group/
Item NameFunctionInitialRangeNote
Item
27 R-BasePos60 - 15
28 G-BasePos60 - 15
29 B-BasePos60 - 15
30 RGB-Adjust00 - 7
31 RGB-AdjLv00 - 4095 Max <-> Min Cyclick operation
32 LineR000 - 1023 Max <-> Min Cyclick operation
33 LineR100 - 1023 Max <-> Min Cyclick operation
34 LineR200 - 1023 Max <-> Min Cyclick operation
35 LineR300 - 1023 Max <-> Min Cyclick operation
36 LineR400 - 1023 Max <-> Min Cyclick operation
37 LineG000 - 1023Max <-> Min Cyclick operation
38 LineG100 - 1023Max <-> Min Cyclick operation
39 LineG200 - 1023Max <-> Min Cyclick operation
40 LineG300 - 1023Max <-> Min Cyclick operation
41 LineG400 - 1023Max <-> Min Cyclick operation
42 LineB000 - 1023 Max <-> Min Cyclick operation
43 LineB100 - 1023 Max <-> Min Cyclick operation
44 LineB200 - 1023 Max <-> Min Cyclick operation
45 LineB300 - 1023 Max <-> Min Cyclick operation
46 LineB400 - 1023 Max <-> Min Cyclick operation
47 GhostR-Pos60 - 31
48 GhostG-Pos60 - 31
49 GhostB-Pos60 - 31
50 GhostR-Cent00 - 2047
51 GhostR-Start1280 - 255
52 GhostR-End1280 - 255
53 GhostG-Cent00 - 2047
54 GhostG-Start1280 - 255
55 GhostG-End1280 - 255
56 GhostB-Cent00 - 2047
57 GhostB-Start1280 - 255
58 GhostB-End1280 - 255
59 BlockR100 - 2047 Max <-> Min Cyclick operation
60 BlockG100 - 2047 Max <-> Min Cyclick operation
61 BlockB100 - 2047Max <-> Min Cyclick operation
62 BlockR200 - 2047 Max <-> Min Cyclick operation
63 BlockG200 - 2047 Max <-> Min Cyclick operation
64 BlockB200 - 2047Max <-> Min Cyclick operation
65 ReverceR00 - 2047Max <-> Min Cyclick operation
66 ReverceG00 - 2047Max <-> Min Cyclick operation
67 ReverceB00 - 2047 Max <-> Min Cyclick operation
3 Fine PhaseDo Phase Adj after Total Dot Adj.10 - 1 0: Executes Fine Phase, 1: Not Execute
4 BLKDETBlack Level Detection Area10 - 7
5 PHASEMSKPhase Detection Filter 00 - 3
0 GammaL/R-ViewCurrent Setting Check00 - 20
1 GammaL/R-ChangeSetting of Gamma 100 - 20
0
1 Disp Dots6680 ~ 4095
2 H Back Porch280 ~ 4095
3 V Back Porch180 ~ 4095
4 Disp Line4580 ~ 4095
0
1 Disp Dots6580 ~ 4095
2 H Back Porch340 ~ 4095
3 V Back Porch220 ~ 4095
4 Disp Line5360 ~ 4095
0
1 Disp Dots6520 ~ 4095
2 H Back Porch280 ~ 4095
3 V Back Porch220 ~ 4095
4 Disp Line5360 ~ 4095
0
1 Disp Dots6740 ~ 4095
2 H Back Porch1320 ~ 4095
3 V Back Porch430 ~ 4095
4 Disp Line4520 ~ 4095
0
1 Disp Dots6500 ~ 4095
2 H Back Porch1520 ~ 4095
3 V Back Porch680 ~ 4095
4 Disp Line5140 ~ 4095
0 Total Dots8580 ~ 4095
Auto-PC Adj Operation Enable if Unsupported Signal Input
00 - 10: Enable, 1: Disable
0: Effective All Bit,
1: Disable Lower 1 bit
2: Disable Lower 2 bit, 3: Disable Lower 3 bit
0: Gamma for L-Type
20: Gamma for R-Type * Read only
Sets L-Type Gamma if the Value is set to 0.
Sets R-Type Gamma if the Value is set to 20.
-44-
Electrical Adjustments
Group/
Group 521 YCbCr (575i)
Group 522 YCbCr (480P)
Group 523 YCbCr (575P)
Group 524 YCbCr (720P - 60)
Group 525 YCbCr (720P - 50 )
Group 526 YCbCr (1080i - 60)
Group 527 YCbCr (1080i - 50)
Group 528 YCbCr (1035i)
Group 540 RGB Video (480i)
Group 541 RGB Video (575i)
Group 542 RGB Video (480P)
Item NameFunctionInitialRangeNote
Item
1 Disp Dots6700 ~ 4095
2 H Back Porch1460 ~ 4095
3 V Back Porch480 ~ 4095
4 Disp Line4580 ~ 4095
0 Total Dots8640 ~ 4095
1 Disp Dots6560 ~ 4095
2 H Back Porch1620 ~ 4095
3 V Back Porch640 ~ 4095
4 Disp Line5340 ~ 4095
0 Total Dots8580 ~ 4095 * Read only
1 Disp Dots6840 ~ 4095
2 H Back Porch1360 ~ 4095
3 V Back Porch460 ~ 4095
4 Disp Line4600 ~ 4095
0 Total Dots8640 ~ 4095 * Read only
1 Disp Dots6900 ~ 4095
2 H Back Porch1420 ~ 4095
3 V Back Porch560 ~ 4095
4 Disp Line5500 ~ 4095
0 Total Dots16500 ~ 4095 * Read only
1 Disp Dots12480 ~ 4095
2 H Back Porch3130 ~ 4095
3 V Back Porch340 ~ 4095
4 Disp Line7000 ~ 4095
0 Total Dots19800 ~ 4095 * Read only
1 Disp Dots12480 ~ 4095
2 H Back Porch3380 ~ 4095
3 V Back Porch360 ~ 4095
4 Disp Line7000 ~ 4095
0 Total Dots22000 ~ 4095 * Read only
1 Disp Dots18720 ~ 4095
2 H Back Porch2560 ~ 4095
3 V Back Porch540 ~ 4095
4 Disp Line10520 ~ 4095
0 Total Dots26400 ~ 4095 * Read only
1 Disp Dots18700 ~ 4095
2 H Back Porch2570 ~ 4095
3 V Back Porch540 ~ 4095
4 Disp Line10520 ~ 4095
0 Total Dots22000 ~ 4095 * Read only
1 Disp Dots18720 ~ 4095
2 H Back Porch2560 ~ 4095
3 V Back Porch920 ~ 4095
4 Disp Line10120 ~ 4095
0 Total Dots9600 ~ 4095
1 Disp Dots7520 ~ 4095
2 H Back Porch1660 ~ 4095
3 V Back Porch480 ~ 4095
4 Disp Line4600 ~ 4095
5 Clamp10 ~ 255
6 Clamp Width310 ~ 255
0 Total Dots9660 ~ 4095
1 Disp Dots7360 ~ 4095
2 H Back Porch1820 ~ 4095
3 V Back Porch660 ~ 4095
4 Disp Line5360 ~ 4095
5 Clamp10 ~ 255
6 Clamp Width310 ~ 255
-45-
Electrical Adjustments
Group/
Group 543 RGB Video (575P)
Group 544 RGB Video (720P - 60 )
Group 545 RGB Video (720P - 50 )
Group 546 RGB Video (1080i - 60)
Group 547 RGB Video (1080i - 50)
Group 548 RGB Video (1035i)
Group 560 HDCP (480P)
Group 561 HDCP (575P)
Item NameFunctionInitialRangeNote
Item
0 Total Dots9600 ~ 4095
1 Disp Dots7660 ~ 4095
2 H Back Porch1560 ~ 4095
3 V Back Porch460 ~ 4095
4 Disp Line4600 ~ 4095
5 Clamp10 ~ 255
6 Clamp Width310 ~ 255
0 Total Dots9860 ~ 4095
1 Disp Dots7740 ~ 4095
2 H Back Porch1740 ~ 4095
3 V Back Porch620 ~ 4095
4 Disp Line5400 ~ 4095
5 Clamp10 ~ 255
6 Clamp Width310 ~ 255
0 Total Dots16500 ~ 4095
1 Disp Dots12460 ~ 4095
2 H Back Porch3180 ~ 4095
3 V Back Porch360 ~ 4095
4 Disp Line6980 ~ 4095
5 Clamp10 ~ 255
6 Clamp Width310 ~ 255
0 Total Dots19800 ~ 4095
1 Disp Dots12460 ~ 4095
2 H Back Porch3100 ~ 4095
3 V Back Porch340 ~ 4095
4 Disp Line7020 ~ 4095
5 Clamp10 ~ 255
6 Clamp Width310 ~ 255
0 Total Dots22000 ~ 4095
1 Disp Dots18720 ~ 4095
2 H Back Porch2600 ~ 4095
3 V Back Porch580 ~ 4095
4 Disp Line10460 ~ 4095
5 Clamp10 ~ 255
6 Clamp Width310 ~ 255
0 Total Dots26400 ~ 4095
1 Disp Dots18720 ~ 4095
2 H Back Porch2600 ~ 4095
3 V Back Porch560 ~ 4095
4 Disp Line10500 ~ 4095
5 Clamp10 ~ 255
6 Clamp Width310 ~ 255
0 Total Dots22000 ~ 4095
1 Disp Dots18720 ~ 4095
2 H Back Porch2600 ~ 4095
3 V Back Porch920 ~ 4095
4 Disp Line10080 ~ 4095
7 Over Scan00 - 255
8 VSBEG20 - 15
7 Over Scan00 - 255
8 VSBEG20 - 15
Group 562 HDCP (720P-60)
7 Over Scan--
8 VSBEG20 - 15
Group 563 HDCP (720P-50)
7 Over Scan00 - 255
8 VSBEG20 - 15
Group 564 HDCP (1080i-60)
7 Over Scan00 - 255
8 VSBEG20 - 15
-46-
Electrical Adjustments
Group/
Group 565 HDCP (1080i-50)
Group 566 HDCP (1035i-60)
Group 981 Color Shading Correction Ofset Value L/R
Item NameFunctionInitialRangeNote
Item
7 Over Scan00 - 255
8 VSBEG20 - 15
7 Over Scan00 - 255
8 VSBEG20 - 15
0 R-Max0 / 00 - 255
1 R-Mid10 / 00 - 255
2 R-Mid20 / 00 - 255
3 R-Min0 / 00 - 255
4 G-Max0 / 00 - 255
5 G-Mid10 / 00 - 255
6 G-Mid20 / 00 - 255
7 G-Min0 / 00 - 255
8 B-Max0 / 00 - 255
9 B-Mid10 / 00 - 255
10 B-Mid20 / 00 - 255
11 B-Min0 / 00 - 255
-47-
IC301
SCALER
<PW190>
IC501
B-D/A
S&H
<L3E06200>
B-LCD
PANEL
G-LCD
PANEL
R-LCD
PANEL
PC1 INPUT
[RGB]
[COMPONENT]
[SCART]
PC2
[RGB-IN]
[RGB-OUT]
[HDMI]
LAN
PC
IC5001
AUDIO CONTROL
<NJW1156>
IC001
AUDIO OUTPIT
<TPA3111>
OUTPUT
CONTROL
POART
R/C
IC801
FLASH MEMORY
VIDEO
AUDIO
DHS,DVS,DCLK
DB[2-9]
DG[2-9]
DR[2-9]
A[1-22]
D[0-15]
288,206,204
17,18,16
331
161
253
66
6,2
15,720,23
6
10,12
214
124,368
267
TXD_PW/RXD_PW
R/C
R/C_PW
16,6
20,2
12
1
82
260
258
265
264
262
3
7,13
SP901
SPEAKER
PC_L/R
18,4
HDMI_L/R
VIDEO
S-VIDEO
VIDEO_L/R
OUT_L/R
RGB,H/V
RGB,H/V
TP35B
B
G
R
HS1, VS1
HS2, VS2
IC531
G-D/A
S&H
<L3E06200>
IC561
R-D/A
S&H
<L3E06200>
IC3801
RS232C DRIVER
<MAX232>
IC8801
NETWORK
<AX11005>
IC9882
INVERTER
TP35G
TP35R
Q1001
R1G1B1
S_CHROMA
S_Y
VIDEO
Q1002
Q1005
263
SOG1Q1007
Q2011
172
78
256
5,1
9,13
R2
G2
B2
Q1003
86
SOG2
Q1008
409
SCART_CV
Q5036
Q5031
Q5035
MUTE
MUTE
OUT_DET
Q5061/
Q5062
Q1004
Q1006
Q2021
Q2031
IC4001
RGB-BUFFER
IC4071
SYNC-BUFFER
IC5301
SYNC-BUFFER
8,12
RGB
HV
RGB
IC401
LCD
DRIVER
&
GAMMA
CORRECTION
<L3E07111>
IC8001
DVI I/F
SII9127>
Chassis Block Diagrams
Chassis over view
-48-
Chassis Block Diagrams
POWER
KEY SW
LAMP BALLAST
IC001
AUDIO-OUT
<TPA3111>
IC5001
AUDIO-CONTOL
<NJW1156>
R/C
RECEIVER
POWER SUPPLY
SW901
LAMP
COVER
SWITCH
P.F. CONTROL
SP901
SPEAKER
MUTE
LAMPDC_ON
POWER_SWPOWER_SW
R/C
MAIN
Q6845
FAN_CON_A
FAN_CON_B
R/C
4
ON:H
ON:H
ON:H
ON:H
ERROR:H
P-ON:H
P.Fail:L
ON:H
2
1
1
Mute On:H
Mute On:H
Power On:H
Power On:L
L/R
VOLUME
POWER_LED
LAMP_SCI
FAN_ERR
TEMP_LED
ON_33V
ON_150V
353
276
188
LAMP_DET
285
95
LAMP_LED
PIC_LAMP_LED
PIC_READY_LED
PIC_POWER_LED
ON_50V
352
419
P_FAIL
LAMP_DC_ON
READY_LED
215
FAN_SW1
FAN_SW1
190
89
275,191,
189
99
CHO_TXD
CHO_RXD
MUTE
KEY1
KEY1
KEY2
267
28
KEY2
126
R/C_PW
R/C
R/C_PW
SCL1/SDA1
SCL2/SDA2
214
211,294
SCL0/SDA0
293,212
290,20830120
FAN_CON_C
374
IC301
SCALER
Q6846
D6831
D6833
D6835
Q5035
LAMP REPLACE
WARNING
POWER
IC4891
NAND
IC9882
INVERTER
2
6
8
13
19
17
18
7,8,9
1310
15
1013
16
12
14
K8R
K6R
K8S
2
1
K8H
4 5 1
K8D K29D
3
3.3V_ALL
FAN
CONTROL
CIRCUIT
KEY SWITCH
SCL2/SDA2
11
2
K8F
1
3
LAMP_DET
ON_16V96ON_18V
347
IC9885
PIC-MICOM
<LC87F2G>
PW_MASTER_SDO
PW_MASTER_SDI
PW_MASTER_SCK
POWER_KEY
K6HK8K
132
System control
-49-
Chassis Block Diagrams
CHO_RXD
CHO_TXD
ON_33VON_33V
FAN_ERR
ON_150V
LAMP_SCI
S1.8V
S1.8V_PW
SS3.3V
S6V
IC5861
S-5VS-5V
Q5701
D3601
3.3V_ALL
LINE FILTER
BOARD
LAMP
BALLAST
1 4 5
5
4
1
CN2
K8H
12
K8S
K6D
CN1
K6CK6B
LAMP
AC CORD
K6RK8R
POWER
TEMP SENSOR CTEMP SENSOR A
MAIN
IC621
P.F.CONTROL
<FA5550>
12
9
1
2
1
3
5
6
11
10
9
8
7
2
10
10
1
1
4
T651
D663/D664
D661
D662
IC671
1
PC671
ERROR
AMP
Power-On:H
Power-On:H
Power-On:H
Power-On:H
Power-On:H
Power-On:H
P-Fail:H
Network STBY: H
Eco STBY: L
LAMP_DET
(Power-On:L)
LAMP_SW
(Power-On:L)
PC661
PC663
IC631
POWER OSC.
<MR4010>
F/B
S-5V
S16V
S6V
ON_150V
LAMPDC_ON
POWER_SW
IC4891
NAND
S6V
S16V
S-5V
8
9
563
11
IC8821
TEMP. SENSOR B
<MCP9801>
(PANEL)(ROOM)(LAMP)
IC8811
TEMP. SENSOR A
<MCP9801>
IC8831
TEMP. SENSOR C
<MCP9801>
LAMP_DET
285
213
P_FAIL
P-Fail:L
215
188
95
ON_50V
419
ON_16V
96
Power-On:H
ON_18VON_18V
347
Power-On:H
LAMP_DC_ON
89
293,212
SCL0
SDA0
IC9882
INVERTER
IC9885
PIC MICOM
SW901
S16V
FAN_A
IC7811
D3613
D8092/D8093/D8094
D591/D592
2
Q5830
S1.2VSI
IC8092
Q7081
3.3V
D5625
3.3VGAM
D7081
S3.3VSI
Q3582
IC5621
3.3V_MCU
IC5821
S5V
IC5602
15.5V_PNL
ON_50V
FAN_B
IC7841
IC592
ON_16V
Q5700
D3614
FAN_C
D3644
12V
IC5542
D3602/D3611
ON_33V
POWER_SW
POWER_SW
POWER_SW
K6A
S2.5V_PWS3.3V
IC5841
SW902
Thermal SW
Lamp Cover SW
1.0V
IC301
SCALER
S3.3VA_PW
S3.3VD_PW
FAN_SW1
D5602
Power supply & protection circuit
-50-
Chassis Block Diagrams
Q3601
D3629
D3621
SW901
LAMP
COVER
SW
TEMP SENSOR C
<LAMP>
TEMP SENSOR A
<ROOM>
LAMP
BALLAST
BOARD
K6J
K6F
FN901
FN902
1
2
1
2
D3628
K6P
K6K
FN906
FN905
1
2
D3622
K6G
FN903
1
2
1
2
1
21
S16V
FANA
FANB
TPFANA
Q7813
Q7801
12
7
5,6
1,14
3
8
IC7811
<TPS54286>
IC9885
PIC MICOM
<LC87F2G>
IC7841
Q7864
Q7842
P_FAIL
FAN_SW1
D3613
FANC
D3644
D3614
D3626
K6Q
FN907
1
2
D3631
IC8811
TEMP.
SENSOR A
<MCP9801>
21
IC8821
TEMP.
SENSOR B
<MCP9801>
MAIN BOARD
IC301
SCALER
Power-On:H
IC4891
NAND
1
2
4
190
293,212
SCL0
SDA0
Power Error: On
P_Fail: H
SIGNAL/MODE
POWER-ON STAND-BY
H L
NORMAL ERROR
H L
FAN_SW1
P_FAIL
P_FAIL
FAN_ERR
TPFANC
TPFANB
K8S
K8H
14
K8L
2
1
1
LAMP_SCI
30
FAN_CON_A
374
FAN_CON_C
120
215
FAN_CON_B
D3623
K6E
FN904
1
2
Q7814
34
21
IC8831
TEMP.
SENSOR C
<MCP9801>
K8I
34
Fan control circuit
-51-
Troubleshooting
Indicators and rojector condition
Check the indicators for projector condition.
POWER
red/green
Indicators
WARNING
red
LAMP RE-
PLACE
yellow
Q
Q
Q
Q
Q
Projector condition
The projector is off. (The AC power cord is unplugged.)
The projector is in stand-by mode. Press the ON/STAND-BY button
to turn on the projector.
The projector is operating normally.
The projector is preparing for stand-by or the projection lamp is being
cooled down. The projector cannot be turned on until cooling is completed and the POWER indicator stops blinking.
The projector is in the power management mode.
The temperature inside the projector is abnormally high. The projector cannot be turned on. When the projector is cooled down enough
and the temperature returns to normal, the POWER indicator stops
blinking and the projector can be turned on. (The WARNING indicator
keeps blinking.)
The projector has been cooled down enough and the temperature
Q
Q
• • • green.
• • • blinks green.
Q When the life of the projection lamp draws to an end, the LAMP REPLACE indicator lights yellow. When
this indicator lights yellow, replace the projection lamp with a new one promptly. Reset the lamp replacement counter after replacement of the lamp.
returns to normal. When turning on the projector, the WARNING indicator stops blinking.
The projector detects an abnormal condition and cannot be turned
on. Unplug the AC power cord and plug it again to turn on the projector. If the projector is turned off again, the projector has an internal
power error.
• • • red• • • off
• • • blinks red.
-52-
Troubleshooting
No power
This projector provides a function which can be specified a defective area simply by indicating the LEDs. Connect the
AC cord and press the power button once and then check the LED indication.
- When all of LED indicators are not lighting, the symptom indicates that the primary power supply circuit does
not operate properly. Check the power primary circuit and parts as follow;
AC cord, F601 (Fuse), Power board,
SW902 (Thermal switch) .......... short in normal
SW902 opens when the surrounding temperature of the switch exceeds 85°C.
- When the WARNING (red) and POWER (red) indicators are blinking, the symptom indicates that the projector
detected an abnormal temperature risen inside the projector. Check the air filters and remove the object near the
intake and exhaust fan openings, and wait until the POWER indicator stops blinking, and then try to turn on the
projector.
The internal temperature is monitored by sensor ICs, IC8821 on the main board and IC8811 on the temp sensor
A board, IC8831 on the temp sensor C board.
- When the WARNING indicator lights red, the symptom indicates that the projector detected an abnormality in
the cooling fan operation or in the power supply secondary circuits. Check fan operation and power supply lines,
and the driving signal status.
The P_FAIL signal (Error: L) is sent to pin 215 of IC301<Scaler> when the abnormality occurred inside the
projector, and then the IC301 sends the shutdown signal, LAMP_DC_ON, to the power supply circuit to stop its
operation, and signal LAMP_SCI to the lamp ballast board via IC4891 and SW901<lamp cover switch> to stop
operation of the lamp circuit.
An abnormality occurs on the secondary power supply;
Check power supplies S16V, S6V, S-5V. P_FAIL signal becomes “Low” when the abnormality occurs on any of
the power supply lines.
An abnormality occurs on the fan control circuit;
Check FN901, FN902, FN903, FN904, FN905, FN906, FN907 and peripheral circuit.
If any of the fans has an error, the fan lock signal drives Q3601 becomes "High". As the result, signal FAN_ERR
becomes Low and is sent to lamp ballast board to stop lamp circuit.
An abnormality occurs on the drive signals;
ON_150V signal (Power-on: H) is output from pin 95 of IC301 and switches IC592,15.5V_PNL supply circuit.
ON_33V signal (Power-on: H) is output from pin 188 of IC301 and switches IC5621, 1.0V and Q3582 3.3V sup-
ply circuit. ON_50V signal (Power-on:H) is output from pin 419 of IC301 and switches IC5542, 12V supply circuit.
ON_16V signal (Power-on:H) is output from pin 96 of IC301 and switches Q5701, S-5V supply circuit.
LAMP_DC_ON signal (Power-on: H) is output from pin 89 of IC301 and supplied to the P.F Control IC, IC621,
on the power supply board through PC661.
LAMP_SCI signal (Power-on: H) is output from pin 14 of IC9885 and applied to pin 2 of IC4891 and out put pin
4 and then supplied to the lamp ballast board through SW901<Lamp Cover SW>.
LAMP_DET signal at the pin 285 of IC301 is applied from the lamp ballast unit. If the abnormality occurred on
the lamp ballast unit, LAMP_DET signal becomes “High” and then IC301 shuts down the power supply circuit.
Lamp cover switch
Make sure that the lamp cover is mounted correctly. If not
or the lamp cover removed, the lamp does not light on for
the safety. Check the lamp cover and lamp cover switch
(SW901).
-53-
Troubleshooting
No picture
Check following steps.
No picture with all of input sources
No
No picture with PC1 [Analog] input source only
No
No picture with PC2
[Analog] input source
only
No
Yes
Yes
Yes
Check signal processing stage and LCD driving stage;
Check RGB S&H signals at test points TP35B, TP35G, TP35R.
Check power supply circuit 15.5V_PNL and peripheral circuit.
Check ICs IC501, IC531, IC561, IC401, IC301 and peripheral cir-
cuits.
Check IC4001 <Amplifier/Switch> and peripheral circuit.
Check IC301<Scaler> and peripheral circuit.
No picture with all of
computer input sources
No
No picture with video input sources
Yes
Check PC/AV source selecting stage and processing stage;
Check IC4701 and IC301<Scaler> and peripheral circuit.
Check AV source selecting and decoding stage;
S-Video source
Check S-video signal (Y/C).
S_CHROMA signal is applied to pin 265 of IC301<Scaler>, and S-Y signal is
applied on pin 264 of IC301.
Composite video source
Check composite video signal (Video).
The composite video signal is applied to pins 262 of IC301 <Scaler>.
-54-
Troubleshooting
No sound
Check following steps.
Check if the audio signal
is observed at pins 7 and
15 of IC5001.
Yes
Check if the audio signal
is observed at pins 20
and 23 of IC001.
Yes
Check audio output circuit.
Check speaker, connection of the terminal “K8F”.
No
No
Check IC5001 and peripheral circuit.
Check the 12V power supply.
Check IC001 and peripheral circuit.
Check the Mute signal at pin 1 of IC001. The Mute signal is output from
pin 267 of IC 301<Scaler>.
The OUT_DET signal is sent from Audio Out terminal.
Mute-On: H at pin 267 of IC301, L at pin 1 of IC001.
-55-
Control Port Functions
Scaler I/O port functions (PW190)
PIN NO. PORT NO.FUNCTIONSIGNAL NAMEDESCRIPTIONI/O
11A11PW_UPDATEO
26A26RXD_MCINetwork RXDI
101B2DDC_SWO
124B25TXD_PWSerial Control TXDO
99C1READY_LEDO
200C10LAMP_PWMLamp ControlO
202C12SDATA_PW3-Wired Serial Control DataO
204C14DCLKClock OutputO
206C16DVSV Sync OutputO
208C182-Wire Serial Data 2SDA2IIC Bus Switch IC DAC, SoundIC[5V_SW]O
211C212-Wire Serial Clock 1SCL1O
212C222-Wire Serial Data 0SDA0IIC Bus Temp Sensor [S3.3V]O
214C24RC R/C_PWRemote Control InputI
28C26ADC1KEY1Input/Select/KeystoneI
98D1FAN_SW2Fan Control Switch SW2O
191D2PW_MASTER_SCKO
276D3TEMP_LEDLED on:HO
284D11BLAST_ACBallast ControlO
285D12LAMP_DETLamp retry detect, High=RetryI
288D15DHSHoriz. Sync OutputO
290D172-Wire Serial Clock 2SCL2IIC Bus Control ClockO
293D202-Wire Serial Clock 0SCL0IIC Bus Control ClockO
294D212-Wire Serial Data 1SDA1IIC Bus Control DataO
295D22TXD_MCINetwork TXDO
215D24ADC0P_FAILPower Failure Signal Input, Failure:LI
Read description in the Capacitor and Resistor as follows:
CAPACITOR
CERAMIC 100P K 50V
Rated Voltage
Tolerance Symbols:
Less than 10pF
A : Not specified B : ±0.1pFC : ±0.25pF
D : ±0.5pFE : +0 -1pFF : ±1PF
G : ±2pFH : +0.1 -0pF L : +0 -0.1pF
R : ±0.25 -0pFS : +0-0.25pF
More than 10pF
A : Not specified B : ±0.1%C : ±0.25%
D : ±0.5%F : ±1%G : ±2%
H : ±3%J : ±5%K : ±10%
L : ±15%M : ±20%N : ±30%
P : +100-0%Q : +30-10% T : +50-10%
U : +75-10%V : +20-10% W : +100-10%
X : +40-20%Y : +150-10% Z : +80-20%
Product safety should be considered when a component replacement is made in any area of a projector.
Components indicated by a ! mark in this parts list and the circuit diagram show components whose value have special
significance to product safety. It is particularly recommended that only parts specified on the following parts list be used
for components replacement pointed out by the mark.
Read Description in the parts list
●
-70-
Electrical Parts List
Key No. Part No. Description Key No. Part No. Description
Key No. Part No. Description Key No. Part No. Description
KJ8-WL2500A00 / KJ8-WL2503A00
-89-
Electrical Parts List
Key No. Part No. Description Key No. Part No. Description
KJ8-WL2500A00 / KJ8-WL2503A00
-90-
Electrical Parts List
Key No. Part No. Description Key No. Part No. Description
KJ8-WL2500A00 / KJ8-WL2503A00
-91-
(KJ8AG) Aug / 2011 DC 50 Printed in Japan
SANYO Electric Co., Ltd.
Diagrams & Drawings
Schematic Diagrams
Printed Wiring Board Drawings
Model Chassis No.
PLC-WL2500A KJ8-WL2500A00
PLC-WL2503A KJ8-WL2503A00
KJ8-WL2500A00 / KJ8-WL2503A00
These schematic diagrams and printed wiring board drawings are part of the
service manual original for chassis No. KJ8-WL2500A00 / KJ8-WL2503A00
models PLC-WL2500A / PLC-WL2503A.
File with the service manual No. SM5111348-00
Note:
All the information of part numbers and values indicated on these diagrams are at the
beginning of production. To improve the performance, there may be some differences to
the actual set. When you order the service parts, use service parts code mentioned on the
parts list in this service manual.
A1
Parts description and reading in schematic diagram
KJ8-WL2500A00 / KJ8-WL2503A00
1. The parts specification of resistors, capacitors and
coils are expressed in designated code. Please check
the parts description by the following code table.
2. Some of transistors and diodes are indicated in mark
for the substitution of parts name. Please check the
parts name by the following code table.
3. Voltages and waveforms were taken with a video
color bar signal (1Vp-p at 75 ohms terminated) and
controls to normal.
4. Voltages were taken with a high-impedance digital
voltmeter.
Capacitor Reading
Example 2000 K K 1000 BG
Example 160 E M 10
Capacitance value
Excepting electric capacitors, all
capacitance values of less than 1
are expressed in µF and more than 1
are in pF.
Tolerance
Type
Rated voltage
● Material table
Mark Material
EElectrolytic
PElectrolytic (non-polarized)
CCeramic (temperature compensation)
KCeramic
FPolyester
NPolypropylene
MMetalized polypropylene
HMetalized polypromylar
BCeramic (semiconductor)
GMetalized polyestel
YComposite film
SStyrol
TTantalum oxide solid electrolytic
UOrganic semiconductive electrolyte
DElectric double layer electrolytic
Characteristic
● Tolerance table
MarkTolerance
Anot specified
B±0.1
C±0.25
D±0.5
F±1
G±2
E±2.5
H±3
J±5
K±10
M±20
N±30
P+100-0
Q+30-10
T+50-10
U+75-10
V+20-10
W+100-10
X+40-20
Y+150-10
Z+80-20
Resistor Reading
Example 1/2 D J 10K B
Characteristic
Example 6 W K 8.2
Example 1/2 C K 1M
Resistance value
Tolerance (see below table)
Material (see below table)
Rated wattage (W)
Note: Resistor which is indicated with resistance value only are
1/6W carbon resistor. Resistor which is indicated with
material, tolerance and value are 1/4W rated wattage.
● Material table
Mark Material
DCarbon
NMetal film
SOxide metal film
CSolid
GMetal glaze
WWire wounding or cement
HCeramic
FFusible
● Tolerance table
Z (Carbon fuse)
B (Non-burnable)
K indicates in KW
M indicate in M
MarkTolerance
A±0.05
B±0.1
C±0.25
D±0.5
F±1
G±2
J±5
K±10
M±20
P+5 -15
Zused in 0 ohm
Diode/Transistor Type Reading
● Diode
MarkType number
R1S2076A,1S2473,1N4148
AA1S2076A,1S2473,1SS133,1N4148
● Transistor
(1) NPN type
MarkType number
--2SC5362SC945A2SC18152SC1740S
ADNF, NGPA, QAY, GRQ, R, S
AENF, NGPA, QA, RAO, Y, GRQ, R, S
W
Coil Reading
Example L2 C1 4R7 K N
Tolerance
Inductance value
Manufacture code
Unique code
MarkTolerance (nH)MarkTolerance (%)
C±0.25G±2
D±0.5J±5
S±0.3K±10
A±0.2L±15
M±20
A2
(2) PNP type
MarkType number
--2SA6082SA564A2SA10152SA933S
ABNFRY, GRR
ACNFQ, RO, Y, GRQ, R
(3) Chip type
MarkType number
--2SA1179N2SA1037K2SA1037AK2SC2812/N2SC2412K
AJM6, M7R, SR, S
AHL6, L7R, S
Pin description of diode, transistor and IC
A
K
C
B E
C2
C1
B1B2
E
C
CBE
K
A
C
B
E
B2
B1
C1
C2
E
E
B
C
B2
B1
C1
C2
E
B2
B1
C1
C2
E1
E2
K
A A
A
K K
K
A
K
A
C
B
E
C
B
E
C
B
E
1
2
3
4
5
6
Index
1
2
N
Index
Index
1
2
N
2
1
3
(IN)
(OUT)
(GND)
21
4
2
3
1
Index
1
N
Index
1
N
Index
1
N
Index
1
N
Index
1
N
Index
1
N
2
1
3
1
2
3
2
1
3
GND
RESET
Vdd
5
3
D
G
S
D
G
S
K: Cathode
A: Anode
C: Collector
B: Base
E: Emitter
D: Drain
G: Gate
S: Source
L Diode
LTransistor/FET
L IC
E1
C2
E2C1
B2
B1
Index
● Diode
KJ8-WL2500A00 / KJ8-WL2503A00
● Transistor/FET
● IC
FET
A11
Note on Soldering
Do not use solder containing lead.
This product has been manufactured using lead-free
solder in order to help preserve the environment.
Because of this, be sure to use lead-free solder
when carrying out repair work, and never use solder
containing lead.
Lead-free solder has a melting point that is 30–40 °C
(86–104 °F) higher than solder containing lead, and
moreover it does not contain lead which attaches easily
to other metals. As a result, it does not melt as easily
as solder containing lead, and soldering will be more
difficult even if the temperature of the soldering iron is
increased.
The extra difficulty in soldering means that soldering
time will increase and damage to the components or
the circuit board may easily occur.
Be cause of this, you sh ould use a soldering iron
and solder that satisfy the following conditions when
carrying out repair work. Also, soldering work must be
done in a short time.
Solder
Use solder with the metal content and composition ratio
by weight given in the table below. Do not use solders
which do not meet these conditions.
Metal contentTin (Sn)Silver (Ag)Copper (Cu)
Composition
ratio by weight
Note:
If replacing existing solder containing lead with leadfree solder in the soldered parts of products that have
been manufactured up until now, remove all of the
existing solder at those parts before applying the leadfree solder.
96.5 %3.0 %0.5 %
Soldering iron
Use a soldering iron which is 70 W or equivalent, and
which lets you adjust the tip temperature up to 450
°C (842 °F) It should also have as good temperature
recovery characteristics as possible.
Diagrams & Drawings (KJ8-WL2500A00)
CN3
1
1
2
3
4
4
COM
NO NC
1AV4S10B8270N
SW901
12
3
FN902
02
FN903
02
FN907
02
FN904
02
CN1
J10B1010N
1
2
02
FN906
J10EZ050G
CN2
1
5
1
1
2
2
J10EZ051G
K8H
1
5
J10EG115G
K8R
1
1
2
3
4
10
10
5
6
7
8
9
FN901
02
J10ES036G
K6J
1
2
3
FN905
02
J10ES036G
K6F
1
2
3
J10ES036G
K6G
1
2
3
J10ES036G
K6E
1
2
3
J10EG036G
K6K
1
FAN_C
2
3
J10EG037G
K6P
1
FAN_B
2
3
J10EG037G
K6Q
1
FAN_B
2
3
B4J10WB020G
K8S
1
2
J10EG065G
K8L
1 2 3 4 5
6
J10EG055G
K8I
1 2 3 4 5
J10EG045G
K8D
1
4
02
SW902
1
2
K6D_2A
K6D_1A
F601
6.3A250V
F.G.
(LIVE)
AC100-240V
(LIVE)
21506.3
:50CT063H
K6B_1B
K6B_1A
SCB1
1
2
3
4
5
6 7
8
9
10
11
12
1314
K6B_2B
K6B_2A
L601H2
GND
L601H3
J20B
00100
F601A
:B4J20B0010J
L601H4
J20B
00100
F601B
:B4J20B0010J
J11B8790N
LF601
1
2
3
K6A_2A
K6A_1A
L601H1
F35B1680N
L601
1
2
3
4
275GK1VBB
C601
275
:CGXAVB00100
SCB2
1
2
3
4
5
6 7
8
9
10
11
12
1314
GND
275GK1VBB
C602
275
:CGXAVB00100
J10EM024N
K6B
1
2
250KK1000XH
C603
250
K6A_G
K6A_2B
K6A_1B
LF601H1
LF601H3
LF601H2
DVXAVB013---N
VA601
1
2
1GJ200K
R601
1GJ200K
R602
GND
SCB3
1
2
3
4
5
6 7
8
9
10
11
12
1314
250KK1000XH
C604
250
GND
21
S6V
S-5V
S16V
LAMPDC_ON
K6D_1A
Z20051---
L614
K6D_2A
Z20051---
L613
KK0.1LBYAG
C641
EG01C
D633
DDFML-S16S--N
D611
1/10GZ
0C
R633
CJ220
CGQ
C631
UDZS8.2BG
ZD631
RGF3300DTCANL
R622
450GK1BS
C613
Z/C
1
FB
2
GND
3
VCC
4
EM
5
7
Vin
9
CO
KK0.047
LBYAG
C622
DHXAVB003
PTH611
RGXLBB684DYBP
R615
25EM1004TL
C651
AH
Q642
RGF8201DTCANL
R621
RF101L2SP
D651
16KK0.47
GQ
C621
:16KK0.47LBYA
:16KK0.47LZB
1/10GJ10KC
R627
D10XB60
DB611
450GK1BS
C614
1/10GJ47KC
R613
1/10GJ
10KC
R651
CJ1000CGQ
C633
25KK11D
C626
:25KK1LZB
RGXLBB684DYBP
R616
1000KK
1000NH
C612
KK0.01
LBYAG
C623
1/10GJ68KC
R642
1/3GJ360K
R612
2000KK
680HN
C632
1/3GJ430K
R611
RF101L2SP
D632
KK2200
LBYAG
C627
1/10GJ11KC
R631
KK2200LBYAG
C634
1/2GJ8.2
R652
K6C_2A
L26B5370N
L612
:L26B1570N
1
2
C615_A
C615_B
KK0.1GQ
C663
:KK0.1LBYAG
KK0.1GQ
C662
:KK0.1LBYAG
GND
16EM4705D
C665
GND
Z20051---
L662
DDFMW-2106--N
D662
L26B3470G
L663
SFPL-52P
D663
;RF101L2SP
C661_2
GND
C664_2
GND
Z20051---
L661
C664_1
GND
GND
GND
AJ
Q651
TLP421F-GBP
PC661
:TLP421F-GRP
:TLP781F-GBP
12
3 4
1/10GJ330C
R662
TLP421F-GBP
PC671
:TLP421F-GRP
:TLP781F-GBP
12
3 4
KK0.1LBYAG
C671
GNDGND
1/10GJ4.7KC
R675
1/10GJ1KC
R672
1/10GF1.2KC
R676
1/10GJ3.9KC
R671
25KK4.7BB
C644
1/10GF3.3KC
R684
02
R614
1SJ1LBZAS
R635
:1SJ0.39LBXAS
GND
1SS355
D613
:1SS352G
1/10GJ10KC
R628
FFXAVB001SGJ
F631
ZZ0122
L631
AH
Q641
1/10GJ
10KC
R643
SCB5
1 2 3 4 5 6 7
KK0.01
LBYAG
C625
1/10GZ0C
R626
1/10GJ47C
R625
1/16GJ
PTH641
1/10GJ18KC
R646
1/10GJ18KC
R648
1AV4L51B7230N
T651
2
3
5
6
7
8
10
9
11
1
12
CEXAVB
01400
C615
1/10GJ10KC
R641
1/10GJ10KC
R644
1
FB
2
COMP
3
MUL
4
IS
5
SLOPE
6
GND
7
OUT
8
VCC
SCB6
1 2 3 4 5 6 7
8 9
10 1112 1314
1/10GF390C
R683
1/10GF12KC
R673
1/10GJ22KC
R636
1/10GJ33KC
R634
1/10GJ220C
R624
DDFMEN-210A-N
D661
KK0.1LZB
C653
:KK0.1GQ
1/10GJ510KC
R629
J10EM024N
K6C
1
2
RB551V-30G
D664
K6C_1A
GND
K6R_8
K6R_6
K6R_3
K6R_2
K6C_2B
K6C_1B
K6R_1
250KK2200XH
C691
250KK2200XH
C692
GND
J10AU115N
K6R
1
1
2
3
4
5
6
7
8
9
10
11
11
R674
1/10GF3.3KC
CE1E182M5FANN
C661
TLP421F-GBP
PC663
:TLP421F-GRP
:TLP781F-GBP
12
3 4
1/3GZ0
R647
1SS355
D631
:1SS352G
CE1A152M5FANN
C664
T651H1
T651H12
T651H11
T651H5
T651H7
DB611H1
L612H1
L612H2
C615H1
C615H2
D611H1
D611H2
PTH611H1 PTH611H2
DB611H4
RGF4700DTCANL
R623
2SK2837
Q611
1
G
2
D
3
S
Q611HD
Q611HG
Q611HS
2SK4085
Q643
K6R_11
F35B1630N
L611
:F35B0410N
1000KK
1000NH
C611
PTZ13BG
ZD632
1/3GJ470
R639
PTZ13BG
ZD633
1/3GZ0
R640
10
11
0
ADDRESS
0
SENSORA
0
0
SENSORC
1
A0 A1
SENSORB
A2
GND
x
C8836
1/10GJ10C
R8857
SCREW_1
X
SC6
1
2
3
4
5
6 7
8
9
10
11
12
13 14
1/10GJ10C
R8856
C8837
S3.3V
1
SDA
2
SCL
3
OS
4
GND
5
A2
6
A1
7
A0
8
VDD
X
SC8836
1
2
X
SC8837
1
2
K6L_1
K6L_2
K6L_3
K6L_4
J10AV063N
K6L
1
2
3
4
5
6
25KK1GQ
C8833
1
1
0
SENSORB
SENSORA
A1
1
0
A2
0
0
ADDRESS
1
SENSORC
A0
0
x
C8830
1/10GJ10C
R8813
x
C8831
1/10GJ10C
R8812
S3.3V
1
SDA
2
SCL
3
OS
4
GND
5
A2
6
A1
7
A0
8
VDD
X
SC8831
1
2
X
SC8830
1
2
K6S_4
K6S_3
K6S_2
K6S_1
GND
SCREW_1
X
SC5
1
2
3
4
5
6 7
8
9
10
11
12
13 14
J10AV053N
K6S
1
2
3
4
5
25KK1GQ
C8813
3.3V
R/C PRE AMP
U20B01600
A2901
:1LB4U20B03800
1 2 3
6.3KK10MB
C2903
;6.3KK10BA
1/10GJ100C
R2903
X
SC2902
1
2
X
SC2901
1
2
K29D_1
K29D_3
K29D_4
J10AV043N
K29D
1
4
CJ470CGQ
C2902
25KK1GQ
C2901
1/16GJ47C
R2901
38
1
38
K5B
J11EB363G
GND
LAMP UNIT:
1AA0ZPM0173--
1
GND
S6V
K5G
J11EB363G
S-5V
1
38
1
38
GND
1
K5R
J11EB363G
GND
LAMP_DC_ON
1
LP900
PROJECTION LENS
38
S16V
38
LAMP IN
5V
LAMP_DET
ECO
LAMP_SW
GND
LAMP_DET
5V
GND
LAMP_SW
ECO
EXHAUST
SIDE
POWER
S6V
380V
S16V
(TERMOSTAT_SW)
EXHAUST
SIDE
LAMP
FN901
R-PNL
B-PNL
G-PNL
FN904
G-PNL
FN902
FN903
LAMP:
1AV4T30B12100
J10ES046G
K8K
1
2
3
4
POWER
P-LEFT
P-DOWN
SELECT
P-UP
S3.3-->3.3V_ALL
P-RIGHT
TO IC301
MENU
KEYSTONE
INPUT
S10B3530G
SW6803
:B4S10B0210G
12
34
S10B3530G
SW6808
:B4S10B0210G
12
34
1/16GJ3.3KA
R6801
1/16GJ
3.9KA
R6808
1/16GJ
3.3KA
R6809
3.3V_ALL
S10B3530G
SW6810
:B4S10B0210G
12
34
S10B3530G
SW6804
:B4S10B0210G
12
34
S10B3530G
SW6806
:B4S10B0210G
12
34
S10B3530G
SW6801
:B4S10B0210G
12
34
1/16GJ
6.8KA
R6807
S10B3530G
SW6811
:B4S10B0210G
12
34
S10B3530G
SW6807
:B4S10B0210G
12
34
1/16GJ
15KA
R6806
S10B3530G
SW6809
:B4S10B0210G
12
34
1/16GJ
3.9KA
R6811
KEY_3
KEY_1
KEY_2
3.3V_ALL
K6H_4
J10EG045G
K6H
1
1
2
3
4
1
2
J10EP031G
K8F
:1LB4J10WD030G
1
SP+
2
N.C.
3
SP-
SP+
SP-
12345678910111213141516
A
B
C
D
E
F
G
H
I
J
K
L
A
B
C
D
E
F
G
H
I
J
K
L
KJ8AG-01
HOT
COLD
MAIN
TEMP.SENSOR CTEMP.SENSOR A
LAMP COVER SW
TEMP SENSOR C
(LAMP)
IC8831
MCP9801T-M/SN
TEMP SENSOR A
(ROOM)
IC8811
MCP9801T-M/SN
LAMP
BALLAST
A901
POWER
FILTER
POWER FACTOR CORRECTION
FA5550NG
IC621
B
LCD
PANEL
R
LCD
PANEL
G
LCD
PANEL
TA76L431FB
IC671
MR4010
IC631
R/C
KEY SW
85°C
E
D
S
Power Failure, Fan Failure Detection Signals
- NO POWER when one of those signals detects a failure.
電源異常、ファン異常検出信号
-異常検出でスタンバイになります
Power Drive, Fan Drive Signals
- NO POWER when one of those signals has a failure.
電源ドライブ、ファンドライブ信号
-異常発生でスタンバイになります
Switch Signals [AV switch, Mute, etc]
- NO PICTIER or NO SOUND when one of those signals
has a failure.
各種スイッチ信号(AV切替、ミュートなど)
-異常発生で映像出ず、音声出ずになります
Indication of Signals / 信号の表示について
Schematic Diagrams
充電部非充電部
CAUTION
Components indicated by a mark ! in this schematic diagram have the
special significance in the safety. It is therefore, particularly recommended
that the replacement of those parts must be made by exactly the same parts.
Must be used with a specified fuse. Unauthorized substitutions may result in
fire or accident.
This projector is isolated from AC line by using the internal converter transformer. Please pay attention to the following notes in servicing.
1. Do not touch the part on hot side (primary circuit) or both parts on the hot
and cold sides (secondary circuit) at the same time.
2. Do not shorten the circuit between hot and cold sides.
3. The grounding lead must be connected to the ground of the same circuit
when measuring the voltages and waveform.