SERVICE MANUAL Multimedia Projector Model No. LC-X71 LC-X71L
Chassis No. KE6-X7100 KE6-X71L00
ORIGINAL VERSION
LC-X71
Contents
Safety Instructions
SAFETY PRECAUTIONS
PRODUCT SAFETY NOTICE
SERVICE PERSONNEL WARNING
Specifications
Thermal switch
Interlock switch
Circuit Protections
Fuse
Warning temperature and power failure protection
Air filter care and cleaning
Possible causes
RECOMMENDATION
Mechanical Disassemblies
1 Cabinet Top removal
2 Cabinet Front removal
Fig.1
4 AV, I/F Board & Rear Panel removal
3 Main Board removal
Fig.4
6 Optical Unit removal
5 Lamp Ballast Unit removal
Fig.5
8 Power Board removal
7 Prism Base removal
Fig.7
Fig.8
9 Filter Board & Interlock SW & Thermal SW removal
10 Fans FN901, FN902 removal
Fig.9
Fig.10
Optical Parts Disassemblies
Relay Lens disassembly
Projection Lens removal
Fig.3-1
Polarized Glass-In removal
Fig.3-2
Polarized Glass-Out and Wide view Glass removal
Fig.4-1
Condenser Lens disassembly
Optical Unit Top removal
Optical Pats Disassemblies
1 Remove 7 screws to take the Optical Unit Top off upward
Optical Parts Disassemblies
Locations and Directions
Description
LCD Panel/Prism Ass’y removal
LCD Panel/Prism Ass’y Replacement
Note on LCD Panel/Prism Ass’y Mounting
Note on LCD Panel/Prism Ass’y
Lamp Replacement
How to reset Lamp Replace Counter
How to check lamp used time
Recommendation
Adjustments after Parts Replacement
Optical Adjustments Electrical Adjustments
Optical Adjustments
Contrast adjustment
R/G/B-CONTRAST ADJUSTMENT
Fig.1-1
Fig.2-1
Condenser Lens adjustment
Fig.2-2
Relay lens-Out adjustment
Electrical Adjustments
Service Adjustment Menu Operation
Memory IC Replacement
Service Mode
z Output Voltage adjustment
Circuit Adjustments
x +16V adjustment
c Fan Voltage adjustment
b PSIG adjustment
v Video Center adjustment
n PC Black Level adjustment
m PC Input adjustment
A/V Input adjustment
Common Center adjustment
⁄0PC Gamma-shift adjustment
⁄3AV White Balance adjustment
⁄2AV Gamma-shift adjustment
NOTE ON WHITE UNIFORMITY ADJUSTMENT
Test Points and Locations
Electrical Adjustments
IC801
IC1871
Service Adjustment Data Table
Adjustment Item
Group No
Initial Value
143 144 145 146 147 148 149 150
Adjustment for AV input
AD9882
M62393FP
Composite NTSC
Last Calib Table Offset
Electrical Adjustments
Group No. Adjustment Item
Initial Value
Range
Electrical Adjustments
Adjustment Item
Group No
Initial Value
436 RGB Video
RGB-Video 1080-25psf
Electrical Adjustments
Group No. Adjustment Item
Initial Value
Range
720 22pull down setting
721 23pull down setting
Ghost Drift
980 Color shading correction
Chassis block diagrams
Chassis Description
Chassis over view
R-LCD PANEL
Video signal processing stage
Chassis Description
A/V BOARD
MAIN BOARD
Audio signal processing stage
Chassis Description
FAN control stage
FAN location
Chassis Description
K16I
Lamp control stage
Motor control stage
Chassis Description
LENS SHIFT
Serial bus control stage
Chassis Description
Power supply lines & power failure detection
Chassis Description
PRIMARY
CIRCUIT
LED indication and projector condition
Indicators
Projector Condition
Chassis Description
Error information table
Power failure detection system
Detection of Power failure
Power failure detection tree
Chassis Description
Diagnosis of power failure with RS-232C port
Diagnosis procedure
Error history log
The Latest Error
Control Port Functions
System Control & I/O Port Table IC801, HD6417727F
Control Port Functions
Control Port Functions
Control Port Functions
Parallel I/O Expander IC4801, TIC81592GP
Control Port Functions
IIC Bus D/A Converter
IC281
M62393
IC7801
Waveforms
Cleaning with air spray
Cleaning
Disassembly Cleaning
IC Block Diagrams
BH3540 Volume Control, IC1652
AD8183ARU/AD8185ARU
AD9882
CXD3531R Digital Signal Driver & Timing Generator , IC401
CXA7004R LCD Driver, IC501, IC531, IC561, IC1501, IC1531, IC1561
EDD2516 DDR Memory, IC1301, IC1311,IC1321,IC1331
CXD3807 AV A/D, IC9201
IC Block Diagrams
EM638325TS DDR Memory, IC1801 FA5502M P. F. Controller, IC601
IC Block Diagrams
IDT70V24S15PFG DP RAM, IC4701
Motor Drive
SP232
LB1641 IC1602, IC1611
PW388 System Control & Scan Converter, IC301
STR-Z2156A Power Switching, IC651
IC Block Diagrams
TIC81592 I/O Expander, IC4801
TA1370FG Sync Separator, Frequency Counter, IC3231
Divide
TDA1517ATW Audio Output, IC1681, IC1682
IC Block Diagrams
Electrical Parts List
Read Description in the parts list
Electrical Parts List
Cooling Fan
Electrical Parts List
Electrical Parts List
Description
Electrical Parts List
Description
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
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Electrical Parts List
Description
Description
Electrical Parts List
Description
Description
Electrical Parts List
Description
Description
Electrical Parts List
Description
Description
Electrical Parts List
Description
Electrical Parts List
Description
Description
A/V BOARD
Description
Electrical Parts List
Description
Description
Electrical Parts List
Description
Description
Electrical Parts List
Description
Description
Electrical Parts List
Description
Electrical Parts List
POWER BOARD
610 328 8383 ASSY,PWB,POWER KE6B
Description
Description
Electrical Parts List
Description
Electrical Parts List
SUB POWER BOARD
610 328 8413 ASSY,PWB,SUB POWER KE6B
Description
Electrical Parts List
Description
Description
DRIVE BOARD
Electrical Parts List
KE6-X71L00
different parts
KE6-X71L00
Mechanical Parts List
CABINET PARTS
23-b
23-a
23-c
KE6-X7100
Optical Parts List
70-a
24-a
TYPE-R
Page
Optical Parts List
71R/L
71-a R
71-b G
further instructions
Optical Parts List
KE6-X7100 KE6-X71L00
A-key to better communications
2006 Eiki International, Inc
Diagrams & Drawings
Schematic Diagrams Printed Wiring Board Drawings
Model
Chassis No
Pin description of diode, transistor and IC
Diode
Transistor/FET
IC IC
Diagrams & Drawings LC-X71, LC-X71L