Eiki LC-NB3E User Manual

PRODUCT CODE (MM8B) 1 122 142 01REFERENCE NO. SM5110335Multimedia ProjectorSERVICE MANUAL ORIGINAL VERSIONChassis No. MM8-NB3E00Model No. LC-NB3E(U.S

-10-Mechanical Disassemblies1 Remove 1 screw A and disconnect the Lamp Socket.2 Remove 2 screws B to take the Lamp Ballast ass’y upward off.3 Remove 4

-11-1 Remove 4 screws A to take the Fan(FN901) off.2 Remove 4 screws B to take the Fan(FN905) off.3 Remove 3 screws C to take the Power Box Cover upwa

Step from previous procedure.3 Remove 6 screws C to take the Optical Unit upward upward off.To mount optical unit, mount optical unit first then moun

1 Remove 1 screw A and take a Washer, Spring andInterlock Switch lever.2 Pull the Fan and duct ass’y upward, then remove the2 screws B to take the Fa

-14-1 Remove the Front Panel following to “Front Panel Removal” on “MechanicalDisassemblies”.2 Remove 4 screws to take the Projection Lens ass’y off.1

-15-1 Remove 2 screws A and pull the Condenser Lens ass’y upward.2 Remove 4 screws B to take the Lens off from the holder.1 Remove 2 screws A and pull

-16-Optical Parts Disassemblies1 Remove 2 screws A and pull the Relay Lens-Out ass’y upward.2 Remove 2 screws B to take the Lens off from the holder.N

-17-1 Remove 4 screws A and take the LCD/Prism ass’y off upward from theoptical unit.2 Remove each screw B and take the glass off upward.PolarizedGlas

-18-Optical Parts DisassembliesWhen mounting or assembling the optical parts in the optical unit, theparts must be mounted in the specified location

-19- LCD Panel/Prism Ass’y Replacement1 Remove the cabinet top and main board following to“Mechanical Disassemblies”.2 Remove 4 screws by using the 2

2 Contents Safety instructions ________________________________________________3 Specifications __________________________________________________

-20-WARNING:- For continued safety, replace with a lamp assembly of the same type.- Allow the projector to cool for at least 45 minutes before you ope

-21-[Before Adjustment]- Input a 100% of black raster signal.[R/G/B-CONTRAST ADJUSTMENT]1 Loosen a screw A (Fig.1-1/1-2) on the polarized glass mounti

-22-Optical AdjustmentsFig.2-21 Tu rn the projector on by a state of without FPC cables.2 Project only green light on the screen.3 Adjust the adjustme

-23-1 Tu rn the projector on by a state of without FPC cables.2 Project green and blue lights on the screen.3 Adjust the adjustment base of condenser

-24-1 Tu rn 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 assy to

-25- Electrical AdjustmentsTo enter the service modeTo enter the “Service Mode”, press and hold the MENU and IMAGE button on the projector at the sa

-26-After replacing the Power Board, PF.C. Board, readjustthe Output voltage adjustment as follows.1. Connect a digital voltmeter to pins 1 (+) and 3

-27-Electrical Adjustments1. Receive the 16-step grey scale computer signal.2. Set to COMPUTER mode.3. Enter the service mode.[R-SIGNAL CENTER ADJUSTM

-28-Electrical Adjustments1. Receive the 16-step gray scale computer signal.2. Set to COMPUTER mode.3. Enter the service mode.[R-GAIN ADJUSTMENT]4. Co

-29-Electrical Adjustments[PC-GAMMA OFF ADJUSTMENT] 1. Receive the 16-step gray scale computer signal.2. Set to COMPUTER mode.3. Enter the service mod

3 Safety InstructionsWARNING:The chassis of this projector is isolated (COLD) from AC line by using the converter transformer. Primary side ofthe con

Group: 0 TB12740 TINT 32 0 ~ 631 SHP_EQ 2 0 ~ 32 SHP_FO 1 0 ~ 3NTSC,PAL SECAM,NT4.43 S-Video Y,Cb,Cr3 SHP_GAIN 8 8 9 9 0 ~ 15NTSC NT4.43 PAL SECAM4

28 Cinema LTI_LEVEL 0 0 ~ 3 Set this value at Cinema ModeGroup: 2 L3E07050 (Digital Gamma, Color Shading & Timing Controller)PC DVI,AV0 R_SUB_BR

3 REF_R 148 0 ~ 255 ✻ Red white-black level adjustment4 REF_G 148 0 ~ 255 ✻ Green white-black level adjustment5 REF_B 148 0 ~ 255 ✻ Blue white-black l

11 AV Cinema Green 32 0 ~ 6312 AV Cinema Blue 32 0 ~ 6313 AV Cinema Sharpness 15 0 ~ 3114 AV Cinema Gamma 8 0 ~ 15Group: 500 ADC0 ADC R-OFFSET 64 0

K25RK8PK25GK25BIC4101IC301IC401IC801TP12V2TP12V1TP3581TP25R1TP25R2TP3551TP11SCTP11SYTP25G2TP11CVTP11PBTP11PRTP25G1TP62VTP62HTP52RTP52BTP52GTP201GTP201

-35- TroubleshootingNo PowerThe possible causes of No Power are listed below. Pleasecheck following and refer to power supply and protection cir-cuit

SW904Interlock sw.SW902Thermal sw.F601Fuse1131471121247335531 3131 2PowerOscillatorCircuit15.5V15.5V6V-6VFN901FN902FN903FN904FN905FN906BALAST_AC1LAMP_

-37-The possible causes of No Picture are listed below. Pleasecheck following and refer to video signal processing dia-grams in the figure opposite.1.

-38-TroubleshootingDGB0-9315228161820IC5241AV/PC-RGB-SWAV/PCPC: HAV : LIC5271IC5281IC529121312110 111415ANALOGRGBH-SYNCV-SYNCIC5211RGB-AMP.IC6211IC622

-39-1. No drive signals supplied at motorsCheck drive signals at pins 1 to 4 of K6U on Power Board.Check ICs IC5501, IC5551 and peripheral circuits. C

Projector Type Multi-media ProjectorDimensions (W x H x D) 13.11” x 3.52” x 9.25” (333mm x 89.5mm x 235mm)Net Weight 8.6 lbs (3.9 kg)LCD Panel System

-40-● System Control & I/O Port Table (IC801) Control Port Functions1PE5/D5 POWER_SW Power_SW O H: On2PE6/D6 SYS SW Peripheral IC power supply SW

-41-67 MD2 MD2 Operation mode control 2 I Fixed H68 PF7/¢ ¢ ¢ output O -69 PF6/AS AS AS output O -70 PF5/RD RD Read signal O Control for SRAM71 PF4/HW

-42-1S Reset Open -2 SCL IIC SCL Active “L” -3SDA IIC SDA Active “L” -4D0 CARD_IN L: CARD H: No CARD IN5D1 VIEWER_ON L: VIEWER Unit exist IN6D2 SCDT1

-43-1R Reset Fixed “H”2 SCL IIC SCL Active “L”3SDA IIC SDA Active “L”4AO7 RCLP R Signal clamp reference voltage5AO8 GCLP G Signal clamp reference volt

-44- WaveformsVIDEO-IN Y-IN <IC1101-5>C-IN <IC1101-7>Y-OUT <IC1101-21> CB-OUT <IC1101-22>CR-OUT <IC1101-23>H-SYNC OUT &

H-SYNC OUT <IC4101-29> V-SYNC OUT <IC4101-28>H-SYNC IN <TP205>H-SYNC DRIVE <TP62H> V-SYNC DRIVE <TP62V>DHS <TPDHS>

-46- CleaningCleaning with air spray1. Remove the cabinet top following to “MechanicalDisassemblies”.2. Clean up the LCD panel and polarizing plate b

-47- IC Block Diagrams● AD8183ARU <Selector, IC5241>● BA6287F <Motor Drive IC5501, IC5551>

-48-● CXA2101AQ <RGB Matrix, IC4101>IC Block Diagrams● BA7078AF <Selector, IC6241>

-49-● CXD2064Q <Digital Comb Filter, IC2101>● L3E01031 <Level Shift, IC3531, IC3561>IC Block Diagrams

5Condenser lens adjustment ❍●Condenser lens-out adjustment ❍●Relay lens-out adjustment ❍●Contrast AdjustmentR-Contrast adjustment ●G-Contrast adjustme

-50-● L3E06070 <D/A-Sample & Hold, IC501, IC531, IC561>● L3E07050 <Color, Gamma Correction & Timing Controller, IC401>IC Block Dia

-51-● ML60851 <USB I/F, IC9801>● M62393 <D/A, IC2571>IC Block Diagrams

-52-● TA1318N <AFC Detector, IC6171>● TB1274AF <Video Decoder, IC1101>IC Block Diagrams

-53-● FA7612CA <PWC Controller, IC65A, IC671, IC681>IC Block Diagrams● STR-Z2156 <Switching Controller, IC631>

-54-

MM8-NB3E00-55- Electrical Parts ListProduct safety should be considered when a component replacement is made in any area of a projector. Components i

MM8-NB3E00Electrical Parts List-56-● OUT OF CIRCUIT BOARDF601FusePower BoardThermal Switch(SW902)Note: Parts order must contain Chassis No., Part No.,

MM8-NB3E00-57-Electrical Parts List610 292 5609 ASSY,PWB,KEY SW MS6A 1AA0B10C34000 610 299 4162 ASSY,PWB,P.F. MD8A 1AA0B10C352BB610 299

MM8-NB3E00Electrical Parts List-58-R618 401 259 9002 MT-GLAZE 150K FA 1/2W R619 401 259 9002 MT-GLAZE 150K FA 1/2W R62A

MM8-NB3E00-59-Electrical Parts ListR5505 401 105 5301 MT-GLAZE 4.7K JA 1/16W R5506 401 105 5301 MT-GLAZE 4.7K JA 1/16W R5551

-6-● Interlock switchThe interlock switch (SW904) cuts off the AC mains power supplywhen the lamp cover is removed. After opening the lamp cover forre

MM8-NB3E00Electrical Parts List-60-D69B 407 004 0706 DIODE DCB015-TB D69C 407 004 0706 DIODE DCB015-TB MISCELLAN

MM8-NB3E00-61-Electrical Parts ListIC3011 409 461 7403 IC LT1399CS IC3041 409 464 1408 IC TC74ACT14FT IC5011

MM8-NB3E00Electrical Parts List-62-R5011 401 105 0702 MT-GLAZE 100K JA 1/16W R5012 401 105 0702 MT-GLAZE 100K JA 1/16W R5013

MM8-NB3E00-63-Electrical Parts ListD2057 407 187 8209 ZENER DIODE UDZ12B-TE-17 D2058 407 187 8209 ZENER DIODE UDZ12B-TE-17 D2059

MM8-NB3E00Electrical Parts List-64-MISCELLANEOUS X6171 645 046 9213 OSC,CERAMIC 503.0KHZ 610

MM8-NB3E00-65-Electrical Parts List405 163 1602 TR 2SC2812N-L6-TB0 405 163 1701 TR 2SC2812N-L7-TB0 Q3111 405 014 4509 TR 2S

MM8-NB3E00Electrical Parts List-66-IC5241 409 470 2604 IC AD8183ARU IC5251 409 357 6602 IC LT1260CS IC5261

MM8-NB3E00-67-Electrical Parts ListC2103 403 304 1801 ELECT 100U M 6.3V 403 373 7704 ELECT 100U M 6.3V C2104 403 164 0

MM8-NB3E00Electrical Parts List-68-C406 403 164 0204 CERAMIC 0.1U Z 25V C407 403 164 0204 CERAMIC 0.1U Z 25V C408

MM8-NB3E00-69-Electrical Parts ListC568 403 164 0204 CERAMIC 0.1U Z 25V C569 403 164 0204 CERAMIC 0.1U Z 25V C571

-7-Circuit Protections● Warning temperature and power failure protectionThe TEMP WARNING indicator flashes red and the projector will automatically tu

MM8-NB3E00Electrical Parts List-70-645 027 1519 R-NETWORK 0X4 1/16W RB1446 645 037 0656 R-NETWORK 0X4 0.063W 645 027 1519 R-NET

MM8-NB3E00-71-Electrical Parts ListR152 401 105 8104 MT-GLAZE 56K JA 1/16W R153 401 105 3406 MT-GLAZE 27K JA 1/16W R154

MM8-NB3E00Electrical Parts List-72-R2549 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R2550 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R2551

MM8-NB3E00-73-Electrical Parts ListR3544 401 105 0306 MT-GLAZE 10 JA 1/16W R3545 401 105 0306 MT-GLAZE 10 JA 1/16W R3546

MM8-NB3E00Electrical Parts List-74-R457 401 105 3901 MT-GLAZE 33 JA 1/16W R458 401 105 3901 MT-GLAZE 33 JA 1/16W R459

MM8-NB3E00-75-Electrical Parts ListR6616 645 030 1056 PROTECTOR,IC 3.8A 72V R6619 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R6622

MM8-NB3E00Electrical Parts List-76-D2842 407 187 8209 ZENER DIODE UDZ12B-TE-17 D2843 407 187 8209 ZENER DIODE UDZ12B-TE-17 D2844

MM8-NB3E00-77-Electrical Parts ListKey No. Part No. Description Key No. Part No. Description

MM8-NB3E00-78- Mechanical Parts ListNote: Parts order must contain Chassis No., Part No., and Descriptions.● CABINET PARTS2141247-a317-b221 8571335

MM8-NB3E00-79-Mechanical Parts ListCABINET PARTS 1 610 281 4323 BADGE EIKI-MA6B 2 610 292 6972 BUTTON CONTROL-

-8-1 Remove 4 screws A to take the Cabinet Top Ass’y upward off.2 Remove the Control Panel off from the Cabinet Top by lifting the edge ofcontrol pane

MM8-NB3E00-80-464444464444 Optical Parts List4657564646

MM8-NB3E00-81-44445467 (Red)68 (Green)69 (Blue)444444Optical Parts List

MM8-NB3E00-82-434353-a (Red)53-b (Green)53-c (Blue)61444446434653Optical Parts List

MM8-NB3E00-83-52-a524545454552Optical Parts List

MM8-NB3E00-84-Optical Parts List58 706371576065596466515562

MM8-NB3E00-85-

MM8-NB3E00-86-

MM8-NB3E00-87-

(MM8B) Mar. 2002© 2002 Eiki Industrial Co., LtdA-key to better communicationsU.S.A.EIKI International, Inc.30251 EsperanzaRancho Santa MargaritaCA 926

-9-Mechanical Disassemblies1 Remove 1 screw A to release a grounding wire.2 Pull the Rear Panel ass’y upward.3 Remove 4 screws B and take AV Board off