Page 2 - Contents
- 2 - Contents Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Specifications . . . . . . . . . . . . . . . . ....
Page 3 - Safety Instructions; SAFETY PRECAUTIONS; DO NOT ATTEMPT TO SERVICING THE
- 3 - Safety Instructions WARNING:The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side ofthe converter and lamp power supply unit circuit is connected to the AC line and it is hot, which hot circuit is iden-tified with the line ( ) in the sch...
Page 4 - Specifications
- 4 - Specifications Owner’s Manual (CD-ROM)Quick Reference GuideAC Power CordWireless/Wired Remote Control Transmitter and BatteriesVGA CableUSB CableControl Cable for Serial Port Lens Cap (LC-X71)Lens AttachmentLens Replacement And Installation ManualPIN Code Label Multi-media Projector Accessorie...
Page 5 - Circuit Protections; Fuse
- 5 - ● Interlock switch The interlock switch (SW902) cuts off the AC mains power supplywhen the lamp cover is removed. After opening the lamp cover forreplacing the lamp ass’y, place the lamp cover correctly otherwisethe projector can not turn on. ● Thermal switch There is the thermal switch (SW905...
Page 6 - Warning temperature and power failure protection; Possible causes
- 6 - Circuit Protections ● Warning temperature and power failure protection The WARNING TEMP. indicator flashes red and the projector will automatically turn off when the internal tempera-ture of the projector exceeds the normal temperature or when stopping cooling fans or when the internal power s...
Page 7 - Mechanical Disassemblies; Cabinet Top removal
- 7 - 1 Remove 5 screws A , 2 screws B , and loosen 2 screws C , and then take the Cabinet Top upward off. Note: If you want to remove the Cabinet Front-Top only,you do not need to remove screws A . Remove 2 screws B . Mechanical Disassemblies Mechanical disassemble should be made following procedur...
Page 8 - Main Board removal
- 8 - Mechanical Disassemblies 1 Remove 6 screws to take the Main Board upward. Fig.3 Fig.4 1 Remove 1 screw A and take the Rear Panel ass’y upward off. 2 Remove 4 screws B to take the fan (FN905) off. 3 Remove 5 screws C and 1 screw D to take AV Board from the Rear Panel ass’y off. 4 Remove 2 screw...
Page 9 - Lamp Ballast Unit removal
- 9 - Mechanical Disassemblies 1 Remove 4 screws A to take the Ballast Cover upward off. 2 Remove 3 screws B to take the Fan (FN904) and the Fan mounting base off. 3 Remove 2 screws C to take the Fan (FN904) off from the Fan mounting base. 4 Remove the Sub Power Board and Drive Board bypulling them ...
Page 10 - Prism Base removal
- 10 - 1 Remove 2 screws A to take the Prism Base ass’y upward off. 2 Remove 2 screws B to take the Lens Shift Motor and Sensor SW Holder from the Base. Mechanical Disassemblies 1 Remove 3 screws A to take the Power Board off. 2 Remove 4 screws B to take Holder off from the cabinet bottom. Fig.8 Fig...
Page 11 - A A
- 11 - 1 Remove 1 screw A to take Interlock Switch(SW902). 2 Remove 2 screws B to take Filter Board Holder and remove 2 screws C to take Filter Board from the Holder. 3 Remove 1 screw D to take Thermal Switch(SW905). Mechanical Disassemblies Fig.9 Filter Board & Interlock SW & Thermal SWremo...
Page 12 - Optical Parts Disassemblies; Projection Lens removal
- 12 - Optical Parts Disassemblies Before taking this procedure, remove Cabinet Top and Main Board following to the “Mechanical Disassemblies”.Disassembly requires a 2.0mm or 2.5mm hex wrench and a slot screwdriver. Lens attachment 2.5mm hex wrench Fig.1- 2 Fig.1- 1 B B B B A 1 Shift the Projection ...
Page 13 - Optical Pats Disassemblies; Polarized Glass-In removal
- 13 - Optical Pats Disassemblies 1 Remove each hex screw A and pull the Polarized Glass-In ass’y upward. 2 Remove each hex screw B and pull the Optical Filter (HCP) ass'y upward. 3 Remove the stoppers and take the polarized glasses and optical filters offupward. Polarized Glass-In removal Fig.3- 1 ...
Page 14 - Polarized Glass-Out and Wide view Glass removal; for green and blue panels, not for red panel.
- 14 - 1 Remove 4 hex screws A and take the LCD/Prism ass’y off upward. 2 Remove 3 screws B and take the Glass Holder, and then pull the polarized Glass-Out and the wide view glass upwards off. These glasses are mount-ed for R, G and B LCD panels respectively. Note:To avoid the CG and focus alignmen...
Page 16 - Locations and Directions
- 16 - Optical Parts Disassemblies When the optical parts in the optical unit mounting or assembling, theparts must be mounted in the specified location and direction asshown in figure below. 13 11 7 Fig.7 3 13 1 2 4 8 Locations and Directions 12 5 1 Condenser lens (R) 2 Condenser lens 3 Condenser l...
Page 17 - LCD Panel/Prism Ass’y Replacement; Top View; LCD Panel/Prism Ass’y removal
- 17 - LCD Panel/Prism Ass’y Replacement 1 Remove the cabinet top and main board following to“Mechanical Disassemblies”. 2 Remove 4 screws by using the 2.0 mm hex driver andtake the LCD Panel/Prism ass’y off upward from theoptical unit. LCD Panel/PrismAss’y After replacing or installing the LCD Pane...
Page 18 - Note on LCD Panel/Prism Ass’y
- 18 - R R L L LCD Panel/Prism Ass'y Type-R LCD Panel/Prism Ass'y Type-L NOTE: LCD panel/prism assembly should be used with the same type of the optical unit. Confirm that both marking "R" is matched. Confirm that both marking "L" is matched. There are 2 types combination of the LCD ...
Page 19 - Lamp Replacement; Recommendation; How to reset Lamp Replace Counter
The LAMP REPLACE indicator will light when the totallamp used time (corresponding value) reaches 2,500hours. This is to indicate that lamp replacement isrequired. The total lamp used time is calculated byusing the below expression; Total lamp used time = T eco + T normal x (1.666) T eco : used time ...
Page 20 - Adjustments after Parts Replacement; Disassembly / Replaced Parts; Optical Adjustments
- 20 - ● : Adjustment necessary ❍ : Check necessary Adjustments after Parts Replacement Condenser lens adjustment ❍ ● Relay lens adjustment ❍ ● Contrast Adjustment R-Contrast adjustment ● G-Contrast adjustment ● B-Contrast adjustment ● Output voltage adjustment ● +16V adjustment ❍ Fan output voltage...
Page 21 - Main Board; Contrast adjustment; WARNING : USE UV RADIATION EYE
- 21 - B-Polarized GlassMounting Ass'yand Base R-Polarized GlassMounting Ass'yand Base G-Polarized GlassMounting Ass'yand Base A A A Fig.1- 2 Optical Adjustments Main Board Before taking optical adjustments below, remove the Cabinet Top and Main Board following to the “MechanicalDisassemblies”Adjust...
Page 22 - and; Condenser Lens adjustment
- 22 - Optical Adjustments Fig.2- 2 1 Turn the projector on by a state of without FPC cables. 2 Adjust the adjustment base of condenser lens ass’y 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 2 screws A with the 2.0mm he...
Page 23 - Relay lens-Out adjustment
- 23 - 1 Turn the projector on by a state of without FPC cables. 2 Adjust the adjustment base of relay lens ass’y to make color unifor- mity in white. 1) If the cyan bar appears on the left or right of the screen as shown in Fig.4-1 , loosen 1 screw A with the 2.0mm hex driver, and adjust the slot B...
Page 24 - Service Adjustment Menu Operation; Electrical Adjustments
- 24 - To enter the service mode To enter the “Service Mode”, press and hold the MENU and IMAGE button on the projector at the same time for more than 3 seconds, or press and hold the MENU button on the remote control unit for more than 20 seconds. The service menu appears on the screen as follows. ...
Page 25 - Circuit Adjustments; Output Voltage adjustment; Input
- 25 - Circuit Adjustments CAUTION: The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the follow- ing adjustments except requiring the readjustments in servicing otherwise it may cause loss of per-formance and product safety. Electrical Adjustments [Adjustmen...
Page 26 - Video Center adjustment; PSIG adjustment; PC Black Level adjustment
- 26 - 1. Receive the 16-step gray scale computer signal with Input 1 [RGB(Analog)] mode. 2. Enter the service mode.3. Connect a digital voltmeter to test point “ TP531 ” (+) and chassis ground (-). 4. Select group no. “ 200 ”, item no. “ 0 ” and change data value to adjust the voltage to be 7.5 ±0....
Page 27 - PC Input adjustment; Common Center adjustment
- 27 - Electrical Adjustments 1. Receive the 16-step gray scale computer signal with Input 1 [RGB(Analog)] mode. 2. Enter the service mode.3. Select group no. “ 680 ”, item no. “ 0 ” and change data value from 0 to 1. The projector starts self-adjust-ment. When the adjustment completes correctly, &#...
Page 28 - AV Gamma-shift adjustment
- 28 - Electrical Adjustments 1. Receive the 100% whole-white composite video sig- nal with Input 3 [Video] mode. 2. Enter the service mode.3. Measure luminance on the screen with the luminance meter. It is B for the reading of luminance meter. 4. Change the signal source to the 50% whole-white sign...
Page 29 - MAIN BOARD; Test Points and Locations
- 29 - Electrical Adjustments ● MAIN BOARD TPFN3 TPFN7 TPFN6 TPFN4 FAN1 FAN2 TP501 TP503 TP531 TP533 TP561 TP563 K47A K47B K8L IC5881 IC5891 K8R IC4811 K8M IC4871 IC7821 K8N IC7841 IC7801 IC1871 IC801 IC1872 IC4801 K8D K25R IC6751 IC1421 K25G IC3401 K4401A K10C IC9202 K4401B IC3402 K10B IC8051 IC323...
Page 30 - Service Adjustment Data Table
- 30 - 0 Thermal Monitor (Read only) 0 LM76(Temp) A Monitor - - Sensor A for External IC1691 1 LM76(Temp) B Monitor - - Sensor B for Lamp IC1816 2 LM76(Temp) C Monitor - - Sensor C for Panel IC1814 1 Atmosphere Monitor (Read only) 0 MPXA4114A(Pressure) Monitor - - Atmosphere sensor 1 MPXA4114A(Press...
Page 40 - Chassis over view; Chassis block diagrams; Chassis Description
IC4401 FPGA2 R-LCD PANEL G-LCD PANEL B-LCD PANEL INPUT-1 RGB IN/OUT INPUT-3 NETWORK OPTION IC1201 FPGA1 IC1651 PRE-AMP . IC2003 CV SELECT SW SW IC9201 AV A/D IC3231 SYNC CONT . IC9202 SDRAM IC7801 DA C IC3411 SDRAM IC1601 LENS SHIFT IC1602 ZOOM IC1611 FOCUS IC302 EEPR OM PC1 IC001 AUDIO-SW IC1652 AU...
Page 41 - Video signal processing stage
- 41 - Chassis Description IC301 SCAN CONVERTER, SYSTEM CONTROL <PW388> R-LCD PANEL G-LCDPANEL B-LCD PANEL STB/SCLK/SD AT A_GAM K25B K25G K25R BOUT ROUT GOUT TP501 TP531 TP561 TP503 TP533 TP563 IC9201 VIDEO DECODER & AV A/D <CXD3807> IC4401 FPGA2 <EP1S25F672> IC1305 FLASH MEMOR...
Page 42 - Audio signal processing stage
- 42 - Chassis Description Q5002 Q1683 Q1636 Q1681 Q5001 Q5004 Q5303 Q5007 1 15 2 5 3 12 5 14 2 15 2 3 3 6 5 1 2 10 9 10 3,14 7 7 1 12 17 17 13 16 15 3 6 Mute: H Mute: H Mute: L Monitor out ON : LMonitor out OFF : H 15 47 45 K00D K40C K16R K10P K16N K20H K20J K20A K40E K10R K8T K16S IC301 SYSTEM CON...
Page 43 - MAIN CPU; FAN control stage; FAN location
- 43 - K8D K66D IC801 MAIN CPU <HD6417727> MAIN BOARD SUB POWER BOARD FAN_CONT1 FAN_CONT2 FAN_CONT2 IC7821 Q6603 IC6603 <FA7701> D7832 Q7821 Q7841 Q7881 Q7861 IC7802 D7831 D7851 D7891 D7871 D7852 D7892 D7872 Q7921 IC7841 IC7881 IC7861 IC7801 DAC <M62399> IC1814 TEMP. SENSOR K8X K16...
Page 44 - Motor control stage; Lamp control stage
- 44 - Chassis Description 10 5 6 2 IC1602 ZOOM DRIVE <LB1641> M ZOOM 10 2 IC1611 FOCUS DRIVE <LB1641> M FOCUS 10 2 IC1872 BUF FER IC4801 I/O EXP ANDER <TIC81592> 1 2 3 4 1 3 7 6 9 8 5 4 M LENS SHIFT K16L K16M K16R K8T K8S K9C K9B K9A IC801 MAIN CPU <HD6417727> 13 14 16 15 18...
Page 45 - DP RAM; Serial bus control stage
- 45 - LED-On: H CONTROL I/F IC802 EEPROM IC302 EEPROM IC1652 AUDIO CONTROL IC1814,16 TEMP. SENSOR 217,216 233 234 210 211 133,135,136 235,236,238 37-40 52,53 29,30 31,32 33,34 Q801 Q802 PHOTO COUPLER PC603 IC4801 I/O EXP ANDER <TIC81592> IC7801 DA C 12-15 5 K68A Always Available LAMP LED RESE...
Page 46 - Power supply lines & power failure detection
- 46 - A/V BOARD I/F BOARD S16V 16V A S - 6V K6A BRIDGE DIODE IC601 P.F. CONTROL BOOSTER IC651 SWITCHING REGULATOR T651 CONVERTER TRANS. 3-4 2 5 8-10 1-2 2-4 1-2 123456 ACINPUT CJ1 LAMP BALLAST IC801 MAIN CPU 5VD VI IC4801 I/O EXP ANDER CJ2 18VB 375V IGNITOR K8K K20A K20J K20H K16N MAIN BOARD Stand-...
Page 47 - LED indication and projector condition; Projector Condition; Indicators; Check the indicators for projector condition.
✽ ✪ ● ❍ ✽ ● ❍ ❍ ✽ ● ❍ ● ● ● ● ● ✽ ✪ ❍ ❍ ✽ ● ● ❍ ✪ ✪ ✪ ❍ ✽ ● ✪ ● ✽ ✪ ❍ ● ✪ ● ● ❍ ✪ ● ❍ ❍ ❍ ✽ ● ● - 47 - Chassis Description LED indication and projector condition ❍ • • • on ✪ • • • flashing ● • • • dim ● • • • off * When the projection lamp reaches its end of life, the LAMP REPLACE indicator lights ...
Page 48 - Detection of Power failure; Error information table; PJNET S5V; IC; Power failure detection system
- 48 - Chassis Description Detection of Power failure The projector provides a protection circuit to prevent the secondary failure when the power failure, fans failure or tem-perature failure occurs on the projector. The power failure detection lines "MAIN_6V_PF", "MAIN_-5V_PF", etc....
Page 49 - Power failure detection tree
- 49 - Chassis Description Power failure detection tree 3.3V S16V S6V 6V 1.8V IC1421 5V IC5891 VD1.8V IC9292 3.3V1 13.5V IC1592 15.5V IC1591 S5V IC5881 3.3V_AD2 L262 MAIN_3.3V_PF 3.3VFPGA L3403 3.3VPLLA L3404 1.5VFPGA IC3401 1.5VPLLA L3402 L1251 D1421 1.5VPLLG L3401 5V1 IC271 ON_15V IC261 3.3V2 IC92...
Page 50 - Diagnosis of power failure with RS-232C port; Diagnosis procedure; FAIL
- 50 - Chassis Description Diagnosis of power failure with RS-232C port Diagnosis procedure This projector provides a function to get the error information of the projector by using the RS-232C serial port forthe power failure diagnosis.The further error information of the power failure and fan fail...
Page 51 - Error history log; Error
- 51 - Chassis Description Error history log Group No. Item No. Data (Error Code) <-- See table below 91 0 ❋ <-- The Latest Error 1 ❋ 2 ❋ 3 ❋ : : : : : : 48 ❋ 49 ❋ Normal 0 - 1000 PJNET, S5V 1001 AV, -5V 1002 AV, S5V 1003 MAIN, S-5V 1004 M/A, 12V 1005 FAN, 16V 1006 SWFPGA, 1.2V 1007 SWFPGA, 2....
Page 52 - Control Port Functions
- 52 - Control Port Functions ● System Control & I/O Port Table (IC801, HD6417727F) 1 1.9V Power for RTC(1.9V) - - 2 (Not used) X'TAL for built-in RTC (Open) - 3 1.9V X'TAL for built-in RTC (Vcc) - 4 GND Power for RTC(0V) - - 5 MD1 Clock mode setting [Default:L] L fixed I 6 MD2 Clock mode settin...
Page 57 - IIC Bus D/A Converter
- 57 - 68 M/A_PF Power Fail Detection M/A L: Error I 69 FAN_PF Power Fail Detection FAN L: Error I 70 SWF_1.2V_PF Power Fail Detection SWF_1.2V L: Error I 71 SWF_2.5.V_PF Power Fail Detection SWF_2.5V L: Error I 72 VDEC_1.8V_PF Power Fail Detection VDEC_1.8V L: Error I 73 FPGA_1.5V_PF Power Fail Det...
Page 58 - Waveforms
Waveforms VIDEO-IN <TP-YIN> Component_Y-IN <TP-YIN> Component_CB-IN <TP-CBIN> Component_CR-IN <TP-CRIN> R-IN <TP-RIN> G-IN <TP-GIN> B-IN <TP-BIN> R-S&H OUT <TP501> G-S&H OUT <TP531> B-S&H OUT <TP561> PC(16-step)_G-IN <TP-GIN&...
Page 59 - Cleaning; Cleaning with air spray
- 59 - Cleaning Cleaning with air spray 1. Remove the cabinet top following to “Mechanical Disassemblies”. 2. Clean up the LCD panel and polarizing plate by using the air spray from the cabinet top opening. Caution: Use a commercial (inert gas) air spray designed forcleaning camera and computer equi...
Page 60 - IC Block Diagrams
- 60 - IC Block Diagrams ● AD8183ARU/AD8185ARU <Selector, IC201, IC1201> AD8183/AD8185 IN0B GND IN1B GND IN2B IN0A DGND IN1A GND V EE V CC IN2A 1 2 3 4 5 6 7 8 9 10 11 12 V CC DVCC V EE OUT2 V CC V CC OE SEL A/B V CC OUT1 V EE OUT0 24 23 22 21 20 19 18 17 16 15 14 13 SELECT DISABLE 0 1 2 ● AD9...
Page 64 - Motor Drive
- 64 - IC Block Diagrams ● Motor Drive LB1641 <IC1602, IC1611>,LB1645N <IC1601> ● IDT70V24S15PFG <DP RAM, IC4701> ● SP232 <RS-232C Driver, IC3801>
Page 68 - Electrical Parts List; CAPACITOR; RESISTOR
KE6-X7100 KE6-X71L00 -68- Electrical Parts List 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...
Page 98 - Mechanical Parts List; CABINET PARTS
KE6-X7100 KE6-X71L00 -98- Mechanical Parts List Note: Parts order must contain Chassis No., Part No., and Descriptions. ● CABINET PARTS 1 17 15 4 10 3 2 18 6 11 5 9 12 7 16 39 19 8 29 28 32 35 40 41 34 36 30 43 44 2 44 43 43 43 43 43 43 43 43 43 25 26 31 33 20 42 21 22 37 38 14
Page 99 - DIFFERENCES BETWEEN THE MODELS
KE6-X7100 KE6-X71L00 -99- Mechanical Parts List 1 610 306 8985 ASSY,BUTTON-MR3B 2 610 324 4358 COMPL,STAND LEG-MA8B 4 610 303 2900 BUTTON ZOOM-MC3B 5 610 328 8208 CABINET TOP-KE6B 6 610 318 4081 CABINET FRONT SERVICE-ME5B (Including Key No.7) 7 610 321 8366 DEC SHEET RC-MA8B-A 8 610 318 4098 CABINET...
Page 100 - OPTICAL PARTS; Optical Parts List
KE6-X7100 KE6-X71L00 -100- 49 645 041 3711 ASSY,PRISM(PBS) 645 051 9420 ASSY,PRISM(PBS) 50 645 085 7836 LENS,CONDENSER (G) 51 645 085 7843 LENS,CONDENSER (B) 52 645 047 2831 LENS,INTEGRATOR(IN) 53 645 047 2848 LENS,INTEGRATOR(OUT) 54 645 047 2855 LENS,CONDENSER(IN) 55 645 047 2862 LENS,CONDENSER(OUT...
Page 104 - A-key to better communications
(LC-X71,LC-X71L) MAY 2006 © 2006 Eiki International, Inc. A-key to better communications
Page 105 - Model
A1 KE6-X7100 KE6-X71L00 ■ Diagrams & Drawings These schematic diagrams and printed wiring board drawings are part of the serv-ice manual original for chassis No. KE6-X7100/X71L00 modelS LC-X71/X71L.File with the service manual No. SS5110788-00. Note:All the information of part numbers and values...
Page 106 - Pin description of diode, transistor and IC; Diode; FET
A17 ■ Pin description of diode, transistor and IC A K C B E C2 C1 B1 B2 E C C B E K A C B E B2 B1 C1 C2 E E B C B2 B1 C1 C2 E B2 B1 C1C2 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) 2 1 4 2 1 3 Index 1 N Index 1 N Index 1 N Index 1 N In...
