Page 2 - Correction; Page 19, Lamp Replacement; Lamp replace counter data; How to check Lamp Replace Counter
Correction Page 19, Lamp Replacement Correct the following information. Amend the counter value indicated with the underline. (MH7B) Oct. 2003 © 2003 Eiki Industrial Co., Ltd The LAMP REPLACEMENT indicator will illuminatewhen the Lamp Replace Counter reaches 1500hours. This is to indicate that lamp ...
Page 3 - PRODUCT CODE; LC-XG210; SM; Multimedia Projector; SERVICE MANUAL; ORIGINAL VERSION; FOREWORD
PRODUCT CODE LC-XG210 LC-XG110 1 122 199 01 (MH7B) 1 122 201 01 (MJ7B) REFERENCE NO. SM 5110512-00 Multimedia Projector SERVICE MANUAL ORIGINAL VERSION Chassis No. MJ7-XG11000 MH7-XG21000 Model No. LC-XG110 LC-XG210 (U.S.A., Canada, Europe) Give complete “Chassis No.” for partsorder or serviceing, i...
Page 4 - Contents; Warning temperature and power failure protection
-2- ■ Contents ■ Safety Instructions ________________________________________________3 ■ Specifications ____________________________________________________4 ■ Adjustments after Parts Replacement ________________________________5 ■ Circuit Protections ________________________________________________...
Page 5 - Safety Instructions; SAFETY PRECAUTIONS; DO NOT ATTEMPT TO SERVICING THE; CAUTION
-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 6 - Specifications
-4- ■ Specifications ● The specifications are subject to change without notice. This symbol on the nameplate means the product is Listed by UnderwritersLaboratories Inc. It is designed and manufactured to meet rigid U.L. safety stan-dards against risk of fire, casualty and electrical hazards. Projec...
Page 7 - Disassembly / Replaced Parts; Optical Adjustments; Adjustments after Parts Replacement
-5- Condenser lens adjustment ❍ ● Relay lens adjustment ❍ ● Mirror adjustment ● Contrast Adjustment R-Contrast adjustment ● G-Contrast adjustment ● B-Contrast adjustment ● Fan voltage adjustment ● Video center adjustment ● NRS adjustment ● Pedestal adjustment [PC] ● Video gain adjustment [PC] ● Blac...
Page 8 - Circuit Protections
-6- ● 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 9 - Possible causes
-7- Circuit Protections ● Warning temperature and power failure protection The projector will be automatically turned off when the internal temperature of the projector exceeds the normal oper-ating temperature, or the cooling fans stops, or the power supplies in the projector are failed.- If the TE...
Page 10 - Mechanical Disassemblies; and then; Cabinet Top removal
-8- ■ 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...
Page 11 - Cabinet Front removal; D D
1 Remove 1 screw C (M4x10) and take the Rear Panel ass’y upward off. 2 Remove 4 screws D (T3x6) to take the AV Board from the Rear Panel ass’y off. 3 Remove 5 screws E (T3x6) to take the COM Board from the Rear Panel ass’y off. -9- Mechanical Disassemblies 1 Remove 1 screw A (M3x8) to take the therm...
Page 12 - Optical Unit removal
-10- Mechanical Disassemblies 1 Loosen 1 screw A on the lamp cover and 2 screws B on the lamp house and the take the Lamp House off fromthe cabinet bottom. 2 Remove 2 screws C (M3x8) and disconnect the lamp socket. 3 Remove 2 screws D (M3x8) and remove sheild plate. 4 Remove 5 screws E (T4x10) on th...
Page 13 - Lamp Ballast Board removal
-11- Fig.7 A Ballast Board FN905 Power DCBoard A A A B B Ballast Cover Mechanical Disassemblies 1 Remove 4 screws A (T3x8) and then pull the Ballast Board Ass’y upward off. 2 Remove 3 screws B (T3x20) to take the Fan (FN905) off. 3 Unhook 4 hooks and take the Lamp Ballast Board off. 4 Disconnect the...
Page 14 - Line Filter Board & Interlock SW removal; Power AC Board removal
E B B B A C C C C D D D G G H H J J K K L L L L FN902 FN901 FN906 FN903 -12- 1 Remove 3 screws C (T3x10) to take the Filter Board Ass’y upward. 2 Remove 3 screws D (T3x8) and 1 screw E (T3x6) to take the Filter Board from the Holder. 3 Remove 2 screws F (T3x10) to take the Interlock switch (SW902) f...
Page 15 - Optical Parts Disassemblies; Polarized Glass-In removal; Projection Lens removal
-13- ■ Optical Parts Disassemblies Before taking this procedure, remove Cabinet Top and Main Board following to the “Mechanical Disassemblies”.Disassembly requires a 2.0mm hex wrench. 1 Remove each hex screw and pull the Polarized Glass-In ass’y upward. 2 Remove a stopper and take the glass off upwa...
Page 16 - Prism ass’y removal and disassembly; Optical Pats Disassemblies; ANEL; Polarized glass and optical filter mounting direction
Note:Do not replace the LCD panelseparately other wise it cannot obtain proper picture. -14- 1 Remove 4 hex screws A and take the LCD/Prism ass’y off upward. 2 Remove each 1 screw B and take the Glass Holder, and then pull the Optical filter, Polarized Glass-Out upwards off. These glasses are mounte...
Page 17 - Relay Lens disassembly
-15- Optical Parts Disassemblies 1 Remove 2 hex screws A and pull the Relay Lens ass’y upward. 2 Remove 2 screws B to take the Lens off from the holder. Note:There is no mounting direction of the lens. A Fig.4- 1 B B Holder Relay Lens A Relay Lens disassembly 4 1 Remove 2 hex screws A and take the I...
Page 19 - Locations and Directions
-17- 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.Note: The arrow in the figure below is indicated that there is the direc- tion of part placement. Place each pa...
Page 20 - LCD Panel/Prism Ass’y Replacement; IMPORTANT NOTICE on LCD Panel/Prism Ass'y Replacement; remove the shading following to the chapter “Optical Adjustment”.; LCD Panel/Prism Ass’y removal
-18- ■ LCD Panel/Prism Ass’y Replacement 1 Remove the cabinet top and main board following to“Mechanical Disassemblies”. 2 Remove 3 Polarized Glass-In. 3 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 Note:Do not...
Page 21 - Lamp Replacement; Recommendation; How to reset Lamp Replace Counter
The LAMP REPLACEMENT indicator will illuminatewhen the Lamp Replace Counter reaches 1000hours. This is to indicate that lamp replacement isrequired. You can check the lamp replace counter following tobelow procedure. 1 Press and hold the pointer e on the projector for more than 20 seconds. 2 The Lam...
Page 22 - Contrast adjustment
-20- [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 mounting base which you intend to adjust. 2 Turn the polarized glass mounting base as shown in Fig.1-1 to obtain the darkest brightness on the screen. ...
Page 23 - and; Moving of Slot D; Condenser Lens adjustment
C C D x y A B A a b -21- 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...
Page 24 - Relay Lens-Out adjustment; White
C C D x y a b A A B -22- 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 shading appears on the left or right of the screen as shown in Fig.3-1 , loosen 2 screws A with the 2.0mm hex driver, and...
Page 25 - Mirror adjustment
x y C D a b A B Fig.4 -1 Moving of Slot B White Fig.4 -2 Moving of Slot D y x White -23- 1 Turn the projector on by a state of without FPC cables. 2 Adjust the adjustment base of mirror to make color uniformity inwhite. 1) If the cyan bar appears on the top or bottom of the screen as shown in Fig.4-...
Page 26 - To enter the service mode; MENU; To adjust service data; button; To exit the service mode; Service Adjustment Menu Operation; Caution to memory IC replacement; Memory IC Replacement; 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. The service menu appears on the screen as follows. To adjust service data Select the adjustment group no. (Group) by pressing the MENU(+) bu...
Page 27 - Circuit Adjustments; Video Center adjustment; Fan Voltage adjustment
-25- [Adjustment Condition] ● Input signal Video signal .......................... 1.0Vp-p/75 Ω terminated, 16 steps gray scale (Composite video signal) Computer signal .................... 0.7Vp-p/75 Ω terminated, 16 steps gray scale pattern (XGA) Component Video signal ...... 0.7Vp-p/75 Ω terminat...
Page 28 - NRS adjustment
-26- Electrical Adjustments 1. Receive the 16-step gray scale computer signal with Computer 1 [Analog RGB] mode. 2. Enter the service mode.3. Connect an oscilloscope to test point “ TP531 ” (+) and chassis ground (-). 4. Select group no. “ 5 ”, Item no. “ 11 ” and adjust the black level to be maximu...
Page 29 - TPVRB; Video; Video
-27- Electrical Adjustments 1. Receive the 100%whole-white computer signal with Computer 1 [Analog RGB] mode. 2. Enter the service mode.3. Measure luminance on the screen with the luminance meter. It is A for the reading of luminance meter. 4. Change the signal source to the 50%whole-white computer ...
Page 31 - Common Center adjustment; White Balance adjustment
-29- 1. Receive the 1dot Black/White computer signal with Computer 1 [Analog RGB] mode. 2. Enter the service mode.3. Project only green light component to the screen.4. Select group no. “ 5 ”, Item no. “ 9 ” and change Data value to obtain the minimum flicker on the screen. 5. Project only blue ligh...
Page 32 - MAIN BOARD; Test Points and Locations
-30- K8E K8L K25R TP2561 K8F IC401 K8J TPDVS TPFAN3 IC9401 K8P K8Q TPDHS IC1801 TPFAN2 K25G K25B K8R K8M K8G TPHAFC IC3201 IC4101 TP351 TPVD TPHD TPGHS TPGVS IC341 IC801 K8T IC6361 K8S K8W K8V TPVS TPHS TP21G TP21B TP20G TP20B TP20R TP21R K8X IC201 IC1101 TPFAN1 TP561 TP531 TP501 TPVRB TP13B TP13G T...
Page 33 - Service Adjustment Data Table
-31- Group: 0 TA1318 0 SEP_LEV 0/0/0/0 0 ~ 3 15KHz/31KHz/28KHz,33KHz/45KHz 1 HD_PHASE 29/38/36/32/32 0 ~ 63 1080i/720p/480p,1080i50/575i,PAL,SECAM/480i,NTSC 2 V_FREQ - - Read only 3 H_FREQ - - 4 HD_IN - - Group: 1 uPD64083 0 NRMD 0 0 ~ 3 1 HDP 4 0 ~ 7 2 CDL 4 0 ~ 7 3 DYCOR 4 0 ~ 15 4 DYGAIN 15 0 ~ 1...
Page 41 - Chassis over view; Chassis Block Diagrams
-39- IC3201 B UFFER IC3001 RGB-SW IC8001 D VI I/F IC8061,IC8071,IC8081 B UFFER IC301 SCAN CONVER TER SYSTEM CONTR OL IC401 DIGIT AL GAMMA IC501 B-S&H IC3501 B-LEVEL SHIFT B-PANEL IC531 G-S&H IC3531 G-LEVEL SHIFT G-PANEL IC561 R-S&H IC3561 R-LEVEL SHIFT R-PANEL DVI-I PC2 INPUT PC1 INPUT I...
Page 42 - Inputs & video signal processing stage
-40- IC301 SCAN CONVER TER PC2 DVI-I PC1 D-SUB MONITOR OUTPUT D-SUB C-VIDEO S-VIDEO COMPONENT IC3001 RGB-SW <AD8185> IC3021 B UFFER <BD7600> IC3022 B UFFER <BD7600> IC7201 SYNC-SEP. <BA7078> IC7221 IC7226 IC4001 B UFFER <L T1399> IC8091 BUFFER <TC74LCX541> IC8001 ...
Page 43 - LCD panel driving stage
-41- Chassis Block Diagrams IC301 SCAN CONVER TER IC9401 DIGITAL BRIGHTER <LC24085> IC401 DIGITAL GAMMA CORRECTION <L3E07050> IC501 B-D/A S&H <L3E06070> IC531 G-D/A S&H <L3E06070> IC561 B-D/A S&H <L3E06070> IC3501 B-LEVEL SHIFT <L3E01040> IC3531 G-LEVE...
Page 44 - AUDIO-SW Switching Logic; Audio signal processing circuit
-42- Chassis Block Diagrams Q5001 Q013 Q014 Q031 Q011 Q5002 2 7 1 15 1 12 5 14 2 3 13 10 9 5 3 2,6 17 18 3 13 8 3 4 5 49 Mute: H Mute: L 15 1 3 18 16 8 7 12 34 K10X K20P K10W K10T K10S K55B K8C K8G K55C K55D IC801 CPU IICSCL IICSDA AU_SW1 MUTE VOLU M E VOLUME AU_SW2 A_SW1 A_SW2 A_MUTE 29 30 31 30 WR...
Page 45 - FOCUS; ZOOM; LENS SHIFT; BRIGHT; Motor driving circuit
-43- Chassis Block Diagrams IC5501 FOCUS DRIVE <BA6287> M FOCUS 1 4,5 4,5 4,5 2 3 18,20 4,5 6,7 9,10 11,12 7 IC5531 ZOOM DRIVE <BA6287> M ZOOM 1 7 IC5561 LENS SHIFT DRIVE <BA6920> M LENS SHIFT 9 5 IC6501 BRIGHT DRIVE <BA6287> M BRIGHT 1 7 IC5581 I/O EXP ANDER (MO TER DIRIVE) ...
Page 46 - System controls
-44- Chassis Block Diagrams IC801 CPU IC_RESET C_SWIN S/SW A U_SW1 A U_SW2 MUTE R/C2 R_C PC1_PC2-SW FA N _LOCK FA N_LOCK1 FA N_LOCK2 LAMP_REP READ Y LENS_T OP LENS/BO T TURBO_SW COMP_SW S_SWIN A_SW1 A_SW2 A_MUTE CG1/CG2 AV /CG AV /C G1 CG/HD_SW HD_SW1 RC1_SW R_C1 RC2_SW PO WER KEY1 KEY2 KEY3 LAMP_DE...
Page 47 - Power supply & protection circuit
-45- Chassis Block Diagrams IC801 CPU LAMP_DET FAN_SW FA N_DRIVE LAMP_SW P-F AIL Q4807 Q1561 FA N_LOCK2 FA N_LOCK1 P-FAIL P-FAIL FAN_LOCK FAN_LOCK FA N_DRIVE IC_RESET IC4891 Q4891 SCL2 SD A2 SCL2 SD A2 2 1 5V 5V 5DV 15.5V 3.3V S-5V 15VP 9V S5V IC3102 D3102 D4814 D2501 D5511 D5601 D5606 D5612 D5562 D...
Page 48 - No Power; It does not operate the power supply circuit due; About the LED indicator flashing; Troubleshooting
-46- No Power The possible causes of No Power are listed below. Pleasecheck following and refer to the chapter “Power supply andprotection circuit” in the Chassis Block Diagrams on the pre-vious page. 1. It does not operate the power supply circuit due to detection of abnormality. - The abnormality ...
Page 49 - No picture from Video source; No picture from Computer source; No Picture
-47- The possible causes of No Picture are listed below. Pleasecheck following and refer to the chapter “Inputs & video sig-nal processing stage”, “LCD panel driving stage” in theChassis Block Diagrams on the previous page. 1. No picture from Video source Composite Video Input Check that the com...
Page 50 - Lens Motor Problems; No Sound; Incorrect operation of Input mode switching.
-48- Please check following and refer to the chapter “Motor drivingcircuit” in the Chassis Block Diagrams on the previous page. 1. No drive signals supplied at motors Check drive signals at pins 1 and 2 of K55F for focusmotor, pins 3 and 4 of K55F for zoom motor and pins 1and 2 of K55G for lens shif...
Page 51 - Control Port Functions
-49- ● System Control & I/O Port Table (IC801) ■ Control Port Functions 1 PA23/WRHH USB RESET USB reset signal Active L O 2 PE14/TIOC4C/DACK0/AH IC RESET Power Control w/o FAN and LAMP Active L O 3 PA22/WRHL SEPA_RESET Reset output for M66230 L: Reset O 4 PA21/CASHH Not used O 5 PE15/TIOC4D/DACK...
Page 56 - Waveform
-54- ■ Waveform VIDEO-IN <IC1141-4> Y-IN <IC3101-5> C-IN <IC3101-7> VIDEO_Y <IC3101-21> VIDEO_CB <IC3101-22> VIDEO_CR <IC3101-23> AV_HSYNC <IC3101-9> AV_VSYNC <IC3101-4> AV_R-OUT <TP13R> AV_G-OUT <TP13G> AV_B-OUT <TP13B> HD_OUT <TP...
Page 58 - Cleaning; Cleaning with air spray
-56- ■ 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 59 - IC Block Diagrams
-57- ■ IC Block Diagrams ● AD8185ARU <Selector, IC3001> ● AD9888KS140 <A/D, IC201>
Page 69 - Electrical Parts List; CAPACITOR; RESISTOR
MJ7-XG11000, MH7-XG21000 -67- ■ 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 spe- cial significance to product sa...
Page 90 - AUDIO BOARD
MJ7-XG11000, MH7-XG21000 Electrical Parts List -88- D243 407 149 0807 DIODE 1SS355-TE-17 D2501 407 149 0807 DIODE 1SS355-TE-17 D3102 407 149 0807 DIODE 1SS355-TE-17 D3103 407 149 0807 DIODE 1SS355-TE-17 D3251 407 149 0807 DIODE 1SS355-TE-17 D3252 407 149 0807 DIODE 1SS355-TE-17 D3253 407 149 0807 DI...
Page 94 - COM BOARD
MJ7-XG11000, MH7-XG21000 Electrical Parts List -92- 645 057 0513 FILTER,EMI 47000PF L1067 645 023 2978 INDUCTOR,800 OHM L1068 645 023 2978 INDUCTOR,800 OHM L1081 645 045 6183 FILTER,EMI 25MHZ L1082 645 045 6183 FILTER,EMI 25MHZ L1083 645 045 6183 FILTER,EMI 25MHZ L1084 645 045 6183 FILTER,EMI 25MHZ ...
Page 97 - CONTROL BOARD
MJ7-XG11000, MH7-XG21000 -95- Electrical Parts List R7307 401 105 0405 MT-GLAZE 100 JA 1/16W R7308 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R7309 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R7312 401 105 0603 MT-GLAZE 10K JA 1/16W R7314 401 105 0603 MT-GLAZE 10K JA 1/16W R8115 401 105 0405 MT-GLAZE 100 JA 1/16...
Page 98 - ACCESSORIES
MJ7-XG11000, MH7-XG21000 Electrical Parts List -96- D6801 407 223 0501 ZENER DIODE 02DZ12Y(TPH3) D6802 407 223 0501 ZENER DIODE 02DZ12Y(TPH3) D6803 407 223 0501 ZENER DIODE 02DZ12Y(TPH3) D6804 407 223 0501 ZENER DIODE 02DZ12Y(TPH3) D6856 407 209 7401 LED SML-210YT-K-T86 407 209 7500 LED SML-210YT T8...
Page 99 - Mechanical Parts List; CABINET PARTS
MJ7-XG11000, MH7-XG21000 -97- 3 13 12 M1 M18 M11 M7 M6 M9 M1-a M1-b M20 M19 M10 M5 M13 M3 M4 M16 M12 M2 M15 28 27 10 7 21 8 15 18 25 16 17 20 1-a 1-b 1-c 1-d 1 2 2 S1 S2 M8 M17 M14 19 24 4 6 9 11 14 22 26 23 5 S1 S1 S1 S1 S1 S1 ■ Mechanical Parts List Note: Parts order must contain Chassis No., Part...
Page 100 - OPTICAL PARTS
MJ7-XG11000, MH7-XG21000 Mechanical Parts List -98- L18: For R-panel L19: For G-panel L20: For B-panel S3 S3 S3 S4 L3-a: For R-panel L3-b: For G-panel L3-c: For B-panel (Polarized Glasses) L3 S4 S4 S4 ● OPTICAL PARTS L3-d: For R-panel L3-e: For G-panel L3-f: For B-panel (Optical Flters)
