SERVICE MANUAL Multimedia Projector Model No. LC-X71 LC-X71L (U.S.A., Canada, Europe) ORIGINAL VERSION Chassis No. KE6-X7100 KE6-X71L00 LC-X71 LC-X71L (LENSLESS) Give complete “Chassis No.” for parts order or servicing, it is shown on the rating sheet on the cabinet on the projector. FOREWORD For your convenience, all service parts, identified in this manual are available through Eiki’s normal distribution channels.
Contents Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Circuit Protections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Mechanical Disassemblies . . .
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.
Specifications Projector Type Dimensions (W x H x D) Net Weight LCD Panel System Panel Resolution Number of Pixels Color System High Definition TV Signal Scanning Frequency Projection Lens Throw distance Motorized Lens Shift Multi-media Projector Projection Image Size (Diagonal) Adjustable from 31” to 400” Horizontal Resolution Projection Lamp Input 1 Jacks 800 TV lines (HDTV) Input 2 Jacks BNC Type x 5 (G or VIDEO/Y, B or Cb/Pb, R or Cr/Pr, H/V, and V), Stereo Mini Type Jack (Audio) Input 3 Jacks
Circuit Protections This projector is equipped with 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. ● Fuse The fuse is located inside of the projector. When either the LAMP indicator or the READY indicator is not illuminated, fuse may be opened. Check the fuse as following steps. It should be used the specified fuse as follows; Filter Board Fuse Fuse Part No.
Circuit Protections ● Warning temperature and power failure protection The WARNING TEMP. indicator flashes red and the projector will automatically turn off when the internal temperature of the projector exceeds the normal temperature or when stopping cooling fans or when the internal power supply lines are failed. Check the following possible causes and wait until stopping the TEMP WARNING indicator flashing. Possible causes - Air filter is clogged with dust particles.
Mechanical Disassemblies Mechanical disassemble 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. A 1 Cabinet Top removal 1 Remove 5 screws A, 2 screws B, and loosen 2 screws A C, and then take the Cabinet Top upward off.
Mechanical Disassemblies 3 Main Board removal 1 Remove 6 screws to take the Main Board upward. Main Board Fig.3 4 AV, I/F Board & Rear Panel removal FN905 1 Remove 1 screw A and take the Rear Panel ass’y B B 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 screws E and grounding leads and then pull up the I/F Board and Holder assy from the bottom cabinet. 5 Remove 4 screws F to take the I/F Board.
Mechanical Disassemblies B 5 Lamp Ballast Unit removal B FN904 B 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 by pulling them upward. A Ballast Cover A A A C C Sub Power Board Ballast Board Drive Board Fig.
Mechanical Disassemblies 7 Prism Base removal 1 Remove 2 screws A to take the Prism Base ass’y A upward off. 2 Remove 2 screws B to take the Lens Shift Motor and A Sensor SW Holder from the Base. B B Prism Base Ass’y Motor and Sensor Holder Fig.7 8 Power Board removal A 1 Remove 3 screws A to take the Power Board off. 2 Remove 4 screws B to take Holder off from the cabinet bottom. A Power Board A B B B B Power Board Holder Fig.
Mechanical Disassemblies 9 Filter Board & Interlock SW & Thermal SW removal 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). B C B C Interlock Switch (SW902) A Filter Board Thermal Switch (SW905) D Holder Fig.9 10 Fans (FN901, FN902) removal A 1 Remove 4 screws A to take Air-duct Top off.
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. Projection Lens removal 1 Shift the Projection lens to the low end by the LENS SHIFT function. 2 Remove Cabinet Front-Top following to the chapter “Mechanical Disassemblies”.
Optical Pats Disassemblies Polarized Glass-In removal 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 off upward. Fig.3-1 A Optical filter (HCP) *2 The Optical Filter (HCP) should be placed as the colored marking comes to upper side and the gap comes to the Polarized Glass-In.
Optical Pats Disassemblies Polarized Glass-Out and Wide view Glass removal 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 mounted for R, G and B LCD panels respectively. Note: To avoid the CG and focus alignments slipping off, please be careful to handle the LCD/Prism ass'y.
Optical Pats Disassemblies Optical Unit Top removal 1 Remove 7 screws to take the Optical Unit Top off upward. Fig.5 Condenser Lens disassembly 1 Remove 2 hex screws A and take the Condenser Lens ass’y. 2 Release 4 hooks B to take the Lens off from the holder. A A * Lens should be placed as the flat surface side comes to the holder side. B Holder Condenser Lens Fig.6-2 Condenser Lens Fig.
Optical Parts Disassemblies Locations and Directions Key No. When the optical parts in the optical unit mounting or assembling, the parts must be mounted in the specified location and direction as shown in figure below.
LCD Panel/Prism Ass’y Replacement IMPORTANT NOTICE on LCD Panel/Prism Ass'y Replacement LCD panels used for this model can not be replaced separately. Do not disassemble the LCD Panel/Prism Ass’y. 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 ass’y at once. After replacing LCD Panel/Prism ass’y, please check the following adjustments.
LCD Panel/Prism Ass'y Replacement Note on LCD Panel/Prism Ass’y There are 2 types combination of the LCD panel/prism assembly and the optical unit, named Type-R and Type-L. Since both have no compatibility, each type should be combined with the same type, and the specific parts should be used. If not, the poor optical characteristics may degrade the quality of a projected image. Confirm the "R" label or "L" label on top of the LCD panel/ prism assembly and the optical unit.
Lamp Replacement WARNING: ORDER REPLACEMENT LAMP Type No. Service Parts No. POA-LMP101 610 328 7362 - For continued safety, replace with a lamp assembly of the same type. - Allow the projector to cool for at least 45 minutes before you open the lamp cover. The inside of the projector can become very hot. - Do not drop the lamp module or touch the glass bulb! The glass can shatter and cause injury. Procedure 1 Turn off the projector and disconnect the AC cord.
Adjustments after Parts Replacement ● : Adjustment necessary ❍ : Check necessary Optical Adjustments Disassembly / Replaced Parts LCD/ Prism Ass’y Condenser Lens Condenser lens adjustment ❍ ● Relay lens adjustment ❍ Polarized glass R G B Power Board Sub Power Board Board ● ● Main ● Contrast Adjustment ● R-Contrast adjustment ● G-Contrast adjustment ● B-Contrast adjustment Output voltage adjustment ● +16V adjustment ❍ Fan output voltage adjustment Electrical Adjustments Relay L
Optical Adjustments Before taking optical adjustments below, remove the Cabinet Top and Main Board following to the “Mechanical Disassemblies” Adjustments require a 2.0mm hex wrench and a slot screwdriver. Note: Do not disconnect connectors K8L, K8X, K8D, K8G and K8E on the main board, because the projector can not turn on due to operate the power failure protection.
Optical Adjustments Condenser Lens adjustment 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 3 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 hex driver, and adjust the slot B to make color uniformity in green by using a slot screwdriver. 2) If the shading appears on the top or bottom of the screen as shown in Fig.
Optical Adjustments Relay lens-Out adjustment 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 uniformity 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 to make color uniformity in white by using a slot screwdriver. 2) If the cyan bar appears on the top or bottom of the screen as shown in Fig.
Electrical Adjustments Service Adjustment Menu Operation 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. To adjust service data Select the adjustment group no. by pressing the MENU or IMAGE button, and select the adjustment item no.
Electrical Adjustments 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. WARNING : USE UV RADIATION EYE AND SKIN PROTECTION DURING SERVICING CAUTION: To prevent suffer of UV radiation, those adjustments must be completed within 25 minutes. [Adjustment Condition] ● Input signal Video signal ...........
Electrical Adjustments c Fan Voltage adjustment b PSIG adjustment 1. Enter the service mode. 2. Connect a digital multimeter to test point “A” (+) and chassis ground (-). (as shown below) 3. Select group no. “140”, item no. “B” and change data value to adjust the fan max. output voltage to be 13.5 ±0.05V. 4. Select group no. “140”, item no. “C” and change data value to adjust the fan min. output voltage to be 5.0 ±0.05V. 5. Each fan should be adjusted refer to item 2 - 4. 1.
Electrical Adjustments m PC Input adjustment . Common Center adjustment 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-adjustment. When the adjustment completes correctly, "OK" will appear on the screen. IF "NG" appears, try this adjustment again. 1. Receive the 16-step gray scale computer signal with Input 1 [RGB(Analog)] mode. 2.
Electrical Adjustments ⁄2 AV Gamma-shift adjustment 1. Receive the 100% whole-white composite video signal 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 signal with Input 3 [Video] mode. 5. Select group no. “210”, item no. “15” and change data value to make the reading of luminance meter to be B x 22±1%.
Electrical Adjustments Test Points and Locations ● MAIN BOARD K47A K8R K8L IC5881 IC5891 IC801 K8E FAN2 K8D FAN1 IC4801 TP501 K25R TP503 K25G TP531 TP533 IC3402 IC1872 IC1871 TP563 TP561 IC1306 K8S K8J TPFN3 TPFN7 IC271 IC8072 K8P K8O - 29 - IC4811 IC4871 IC7801 IC9293 IC8062 IC291 IC1307 K1201 K8M TPFN4 IC7841 IC261 IC8052 K10A IC8071 IC3401 IC6751 IC9202 IC3231 IC8201 K10B IC8061 IC1421 K4401A K10C IC8051 IC7821 K47B TPFN6 K8N K4401B K1301 K25
Electrical Adjustments Service Adjustment Data Table Group No.
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D-SUB_25 DVI-D D-SUB_15 NETWORK OPTION INPUT-1 DIGITAL INPUT INPUT-1 RGB IN/OUT INPUT-2 - 40 - COMPONENT S-VIDEO INPUT-3 AUDIO USB IC4871 ACCELE SENSOR IC3803 AIR MOUSE DECODER KEY SWs IC801 MAIN CPU IC4811 PRESSURE SENSOR IC1811 FLASH ROM F_R/C R_R/C W_R/C IC1652 AUDIO-CONTROL IC3804 AIR MOUSE INTERFACE IC1681,IC1682 AUDIO-AMP. CONTROL PORT IC001 AUDIO-SW IC3801 RS-232C DRIVER Audio_L/R IC1801 DDR EXT. SP L/R LEDs IC4801 I/O EXPANDER IC802 EEPROM POWER SUPPLY LINES P.F.
Chassis Description Video signal processing stage A/V BOARD TMDS K40D - K10Q 12,5 IC3002 IC5301 13,3 IC3004 IC3006 IC5308 IC3009 13 HS IC3008 IC3012 PC_GS/AV_YS PC1_H/V D-SUB_15 RGB(ANALOG) IN/OUT IC3013 S_C CVBS AV_Y IC241 BUFFER AV_Y AV_Y IC251 SCAN CONVERTER, SYSTEM CONTROL IC302 EEPROM IC1301,11,21,31 PW_DHS,DVS,DCLK IC4401 IC3411 FPGA2 SDRAM RAOUT GAOUT BAOUT IC9204 STB/SCLK/SDATA_GAM FPGA_HOUT,VOUT,CLKO IC531/1531 IC501/1501 S&H BLU
Chassis Description Audio signal processing stage L 1 PC 2 AUDIO-IN 14 L 2 VIDEO AUDIO-IN R 15 Q5002 13 Q5001 2 1 R 1 2 6 5 R 3 47 45 K10P 11 12 Q1636 K16U K8T K20B Q1683 4 IC301 SYSTEM CONTROL 232 5 46 2 84 5 16 IC3251 BUFFER IC3252 BUFFER PW_SCL_5V 246 15 AUDIO_SW2 R 8,9 8,9 12,13 IC1681 L-AMP.
Chassis Description FAN control stage D6614 Q6606 Q6608 K66S Q6603 IC6603 FAN_DRIVE D6611 FAN_CONT2 D6612 Q6604 D6616 Q6601 Q6607 IC6601 P_FAIL FAN_CONT1 Q6602 Q6609 6 5 3 9 8 K8D MAIN BOARD IC1871 BUFFER FAN_DRIVE 4 FAN_PF 5 FAN_CONT2 FAN2 Q7841 Q7881 6 D[0-7], A[0-5] IC4801 I/O EXPANDER PRESS_SENS ACCELE_SENS IC7802 56 IC4811 PRESSURE SENSOR 233 234 69 FAN_DRIVE Q7861 IC7861 TPFN3 D7852 TPFN7 D7892 D7872 Q7921 FAN_PF Q7922 LAMP_FAN_PF For ABN
Chassis Description Lamp control stage SW902 SW905 INTERLOCK THERMAL SWITCH SWITCH PRIMARY CIRCUIT FILTER BOARD SUB POWER BOARD K6AC AC CORD CJ4 CJ1 K6A LAMP IC601 P.F.C.
Chassis Description Serial bus control stage IC501 IC1501 IC401 GAMMA S&H(R) 6 2 1 5 K8F K4F 4 FAN_CONT1 FAN_CONT2 5 FAN_DRIVE PFC_SW IC_RESET IC561 IC1561 S&H(G) S&H(B) POWER FAN CONTROL PHOTO COUPLER FAN_DRIVE PFC_SW IC_RST CN66A 133,135,136 STB/SCLK/SDATA_GAM LENS_U/D ZOOM_+/FOCUS_+/- 31,32 29,30 37-40 52,53 CPU_AD[1-21] IC1801 FPGA CPU_DT[0-15] BUFFER IC1301,11,21,31 DAC VOLUME IC801 K8L AV A/D EEPROM 264 143,232 46 84 390 388 158,63 71,72 398,247 M_OUT AUDIO_MUTE AUD
Chassis Description 7 15 13 K87A 12 POWER BOARD 9-10 IC1621 CN16C 14 12V_M/A 5 IC_RST 66 67 68 69 70 71 72 73 74 IC801 MAIN CPU A[0-5] D[0-7] 77 78 80 82 83 56 16 17 12 IC1871 BUFFER IC1872 BUFFER 4 186 3 211 8 206 111 ON_15V PF FL FL PF FL PF DRIVE BOARD 3 3 1 1 FAN CONTROL CIRCUIT PF FL K20H K20J 12VAL K20A 12VAR S16V Refer to: Fan control stage R-NET BOARD FL FN904 FN906 FN903 FN907 S5V S5V S5V K8K IGNITOR CJ2 15.5V 13.
Chassis Description LED indication and projector condition Check the indicators for projector condition. Indicators LAMP REPLACE Projector Condition yellow WARNING TEMP. red ● ● ● ● The projector is OFF. (The AC power cord is unplugged.) ✽ ● ❍ ❍ The projector is ready to be turned on with the POWER ONOFF button. ✽ ● ❍ ● The projector is operating normally. ❍ The Warning Temp. indicator blinks red to let you know the internal temperature of the projector exceeds a normal level.
Chassis Description Power failure detection system Detection of Power failure The projector provides a protection circuit to prevent the secondary failure when the power failure, fans failure or temperature failure occurs on the projector. The power failure detection lines "MAIN_6V_PF", "MAIN_-5V_PF", etc. are connected to the main power supplies.
Chassis Description Power failure detection tree 5-6 S16V IC1591 K8F IC1592 15.5V DETECTION LINE NAME ERROR INFO. GAM_15.5V_PF GAMMA, 15.5V (Failure area) D591 (PANEL) 13.5V ON_15V L1251 1-2 S3.3VSF IC1251 S2.5VSF D1251 IC1306 S1.8V_PW IC1252 S1.2VSF D1252 IC1307 S2.5V_PW IC5801 S1.9V IC1421 1.8V S3.3V 2-4 K8G 8-10 3.3V SWF_2.5V_PF SWFPGA, 2.5V SWF_1.2V_PF SWFPGA, 1.2V MAIN_3.3V_PF MAIN, 3.3V D5801 (Gamma,FPGA,A/D) D1421 GAM_1.8V_PF L3403 L3404 L3401 3.3VPLLA 1.
Chassis Description Diagnosis of power failure with RS-232C port This projector provides a function to get the error information of the projector by using the RS-232C serial port for the power failure diagnosis. The further error information of the power failure and fan failure can be found out by using this function. Diagnosis procedure 1 Connect a RS-232C serial cross cable to SERIAL PORT IN on the projector and serial port on the PC.
Chassis Description Error history log The projector provides the error history log function. To check the logs, you need to enter the service mode and select Group No. "91" and Item No. "0" to "49". The error code is displayed on the Data column. The description of the error code is listed on the table below. How to enter the service mode and selection of the group and item, see "Service Adjustment Menu Operation" on page 24. Group No. Item No.
Control Port Functions ● System Control & I/O Port Table (IC801, HD6417727F) Pin No. Function Name Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 61 63 64 65 66 67 1.9V (Not used) 1.9V GND MD1 MD2 NMI IRQ0 (Not used) VSYNC_INTR SH_INT_DPRAM R/C (Not used) (Not used) MD5 (Not used) (Not used) GND (Not used) 3.3V D31 D30 D29 D28 D27 D26 D25 D24 GND D23 3.
Control Port Functions Pin No. 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 Function Name Function A5 A6 A7 A8 A9 A10 A11 GND A12 3.3V A13 A14 A15 A16 A17 A18 A19 A20 GND A21 3.3V A22 A23 GND A24 1.9V A25 BS [for ICE] RD WE0 WE1 WE2 GND WE3 3.
Control Port Functions Pin No. 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 Function Name Function GND PW_RESET 1.
Control Port Functions Pin No. 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 Function Name Function NET_SW GND FPGA_CLB 3.3V SYS SW_CPU IC_RESET_CPU LAMP_SWIN FAN_DRIVE_CPU SH_SDA_3V SH_SCL_3V SH_SDA_S3V SH_SCL_S3V PW_SH_0 UCLK RESETP (Not used) MD3 MD4 3.3V 3.3V (USB1P)[Func] (USB1M)[Func] GND USB (USB2P)[Host] (USB2M)[Host] 3.3V GND PRESS_SENS ACCELE_SENS KEY1 KEY2 3.
Control Port Functions ● Parallel I/O Expander (IC4801, TIC81592GP) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 66 Function Name Function S3.3V XIN XOUT GND S3.3V D7 D6 D5 D4 D3 D2 D1 D0 A5 A4 A3 A2 A1 A0 GND SH_WE0 SH_RD SH_CS6 EXP_RESET S3.
Control Port Functions Pin No. 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Function Name Function M/A_PF FAN_PF SWF_1.2V_PF SWF_2.5.V_PF VDEC_1.8V_PF FPGA_1.5V_PF GAM_15.5V_PF S3.3V GND MAIN_6V_PF MAIN_3.3V_PF GND AD_3.3V_PF GND AD_5V_PF GAM_1.8V_PF (Not used) GND (Not used) S3.
Waveforms VIDEO-IN Component_Y-IN Component_CB-IN Component_CR-IN R-IN G-IN B-IN R-S&H OUT G-S&H OUT B-S&H OUT PC(16-step)_G-IN G-S&H OUT - 58 -
Cleaning After long periods of use, dust and other particles will accumulate on the LCD panel, prism, mirror, polarized glass, lens, etc., causing the picture to darken or color to blur. If this occurs, clean the inside of optical unit. Remove dust and other particles using air spray. If dirt cannot be removed by air spray, disassemble and clean the optical unit. Cleaning with air spray Disassembly Cleaning 1. Remove the cabinet top following to “Mechanical Disassemblies”. 2.
IC Block Diagrams ● AD8183ARU/AD8185ARU ● AD9882 AD9882 IN0A 1 DGND 2 AD8183/AD8185 SELECT IN2A 5 DISABLE 0 VCC 6 VEE 7 23 OE 21 VCC 1 A/D GAIN CLAMP A/D BAIN CLAMP A/D GND 11 14 DVCC 8 GOUT 8 BOUT REFBYPASS 8 8 VSOUT DDCSCL DDCSDA MCL MDA 13 VCC ● BA7078AF - 60 - GOUT SOGOUT 8 BOUT DATACK SERIAL REGISTER AND POWER MANAGEMENT MUXES HSOUT VSOUT DIGITAL INTERFACE RX0+ RX0– RX1+ RX1– RX2+ RX2– RXC+ RXC– RTERM
IC Block Diagrams ● CXA7004R ● CXD3531R - 61 -
IC Block Diagrams ● CXD3807 ● EDD2516 - 62 -
IC Block Diagrams ● EM638325TS ● FA5502M
IC Block Diagrams ● IDT70V24S15PFG ● Motor Drive LB1641 , LB1645N ● SP232 - 64 -
IC Block Diagrams ● PW388 ● STR-Z2156A - 65 -
IC Block Diagrams ● TA1370FG Divide ● TIC81592 - 66 -
IC Block Diagrams ● TDA1517ATW
KE6-X7100 KE6-X71L00 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 is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark.
KE6-X7100 KE6-X71L00 Electrical Parts List Note: Parts order must contain Chassis No., Part No., and Descriptions.
KE6-X7100 KE6-X71L00 Electrical Parts List Key No. Part No. Description Key No.
KE6-X7100 KE6-X71L00 Electrical Parts List Key No. Part No. C1681 403 C1682 403 C1683 403 C1684 403 C1685 403 C1701 403 C1702 403 C1703 403 RESISTOR R1664 401 R1665 401 R1676 401 R1678 401 R1679 401 R1681 401 R1684 401 R1688 401 R1689 401 R1690 401 COIL L1681 645 L1682 645 L1683 645 L1684 645 L1686 645 L1687 645 L1688 645 L1689 645 MISCELLANEOUS SC1691 645 SC1692 645 SC1693 645 SC1694 645 SW2001 610 Description Key No.
KE6-X7100 KE6-X71L00 Electrical Parts List Key No. Q264 Q266 Q2801 Q2803 Q281 Q282 Q301 Q302 Q303 Q304 Q5801 Q5827 Q5828 Q5833 Q5834 Q5851 Q5852 Q5853 Part No.
KE6-X7100 KE6-X71L00 Electrical Parts List Key No. Q801 Q802 Q8201 Q8202 Q9201 Part No.
KE6-X7100 KE6-X71L00 Electrical Parts List Key No. C1281 C1282 C1301 C1302 C1303 C1304 C1305 C1306 C1307 C1308 C1309 C1311 C1312 C1313 C1314 C1315 C1316 C1317 C1318 C1319 C1321 C1322 C1323 C1324 C1325 C1326 C1327 C1328 C1329 C1331 C1332 C1333 C1334 C1335 C1336 C1337 C1338 C1339 C1341 C1342 C1343 C1344 C1345 C1346 C1347 C1349 C1351 C1352 C1353 C1355 C1356 C1359 C1369 C1370 C1411 C1431 C1501 C1502 C1503 C1504 C1506 C1507 C1508 C1531 C1532 C1534 C1536 C1537 Part No.
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KE6-X7100 KE6-X71L00 Electrical Parts List Key No. Q3004 Q3006 Q3007 Q3008 Q3009 Q3801 Q4001 Q4002 Q5003 Q5004 Q5007 Q5301 Q5302 Q5303 Part No.
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KE6-X7100 KE6-X71L00 Electrical Parts List Key No. Q651 Part No.
KE6-X7100 KE6-X71L00 Electrical Parts List Key No. Part No.
KE6-X7100 KE6-X71L00 Electrical Parts List Key No. C6661 C6662 C6663 C6664 C6666 C6668 C6669 C6671 C6672 C6673 C6674 C6676 C6677 C6678 C6679 C6681 C6682 C6683 C6684 C6686 C6695 RESISTOR R6601 R6602 R6603 R6604 R6606 R6607 R6611 R6613 R6616 R6618 R6619 R6621 R6624 R6626 R6627 R6628 R6631 R6632 R6633 R6634 R6636 R6637 R6641 R6643 R6646 R6648 R6649 R6651 R6656 R6657 R6658 R6659 R6661 R6662 R6663 R6666 R6668 R6671 R6672 R6673 R6674 R6676 R6677 R6678 R6679 R6682 R6683 R6684 R6687 R6688 R6689 R6691 Part No.
KE6-X7100 KE6-X71L00 Electrical Parts List Key No. C1601 C1602 C1603 C1604 C1606 C1607 C1612 C1613 C1614 C1621 C1622 C1623 C1624 C1626 C1631 C1632 C1633 C1634 C1636 C1637 C1661 C1671 C1672 C1673 C1674 C1675 C1676 C1677 C1678 C1679 RESISTOR R1601 R1602 R1603 R1604 R1606 R1607 R1612 R1613 R1614 R1621 R1622 R1623 R1624 R1627 R1628 R1629 R1630 R1631 R1632 R1633 R1634 R1635 R1636 R1637 R1638 R1643 R1644 R1646 R1647 R1648 R1649 R1651 R1652 R1653 R1654 R1656 R1657 R1658 R1661 R1665 R1666 R1671 R1672 Part No.
KE6-X7100 KE6-X71L00 Mechanical Parts List Note: Parts order must contain Chassis No., Part No., and Descriptions.
KE6-X7100 KE6-X71L00 Mechanical Parts List Key No. Part No. Description Key No. CABINET PARTS 1 2 4 5 6 7 8 3 9 10 11 12 14 15 16 17 18 19 20 21 22 610 306 8985 ASSY,BUTTON-MR3B 610 324 4358 COMPL,STAND LEG-MA8B 610 303 2900 BUTTON ZOOM-MC3B 610 328 8208 CABINET TOP-KE6B 610 318 4081 CABINET FRONT SERVICE-ME5B (Including Key No.7) 610 321 8366 DEC SHEET RC-MA8B-A 610 318 4098 CABINET FRONT A SERV-ME5B (Including Key No.
KE6-X7100 KE6-X71L00 Optical Parts List Key No. Part No. Description OPTICAL PARTS 49 50 51 52 53 54 55 56 57 58 59 60 61 68 69 70 70-a 645 645 645 645 645 645 645 645 645 645 645 645 645 645 645 645 041 051 085 085 047 047 047 047 047 047 047 044 086 047 050 047 Key No.
KE6-X7100 KE6-X71L00 Optical Parts List Note: Parts order must contain Chassis No., Optical Unit Type-L or Type-R, Part No., and Descriptions. 46 46 46 46 46 65: Red 66: Green 67: Blue 62R/L: R&B 63R/L: G NOTE: There are 2 types combination of the LCD panel/prism assembly and the optical unit, named Type-R and Type-L. Since both have no compatibility, each type should be combined with the same type, and the specific parts should be used.
KE6-X7100 KE6-X71L00 Optical Parts List 47 47 47 47 71R/L 71-a: R 71-b: G 71-c: B 71-d : B 71-e: G (R = no use) 46 46 48 48 58 46 46 55 -102-
KE6-X7100 KE6-X71L00 Optical Parts List 56 59 51 50 61 69 59 57 68 60 52 53 49 54 CAUTION: Part must be placed in specified direction when replacing the optical parts. Please see “Optical Parts Disassemblies” for further instructions.
A-key to better communications (LC-X71,LC-X71L) MAY 2006 © 2006 Eiki International, Inc.
■ Diagrams & Drawings KE6-X7100 KE6-X71L00 Schematic Diagrams Printed Wiring Board Drawings Model Chassis No. LC-X71 LC-X71L KE6-X7100 KE6-X71L00 These schematic diagrams and printed wiring board drawings are part of the service 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 indicated on these diagrams are at the beginning of production.
■ Pin description of diode, transistor and IC ● Diode ● Diode K K K A A K K A K: Cathode A: Anode A A K K A A ● Transistor/FET ● Transistor/FET C C1 C2 C C2 B1 E1 C: Collector B: Base E: Emitter Index E E C C B E B E2 B2 C1 E1 B2 B1 B1 B B1 E B2 E C1 C2 B E E FET E C B B C E C B D: Drain G: Gate S: Source E C B2 C1 C2 S B1 G C1 C2 B2 D S E2 D G ● IC● IC 2 (GND) 2 Vdd 3 3 2 3 1 2 3 1 1 Index 3 RESET 2 1 GND Index 12 3 (OUT) 1 (IN) 4 3 5
Diagrams & Drawings (LC-X71, LC-X71L)