Mitsubishi SL2U Service Manual

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User manual (28 pages)

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User manual (32 pages)

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Page 1 • Video Input • Weight and dimensions shown are approximate. : Round type (8 Ω 1 W) • Speaker • Design and specifications are subject to change without notice. MITSUBISHI ELECTRIC Copyright C 2002 Mitsubishi Electric Corporation All Rights Reserved.
Page 2: Table Of Contents
CONTENTS – FILE “COVERPGE” – SPECIFICATIONS ···································································································································· CONTENTS ··········································································································································· – FILE “EXPOSED” – TRADEMARK, REGISTERED TRADEMARK ·························································································· PRODUCT SAFETY NOTICE ·················································································································· SAFETY PRECAUTIONS························································································································· PCBs LOCATION ····································································································································· EXPOSED VIEW ······································································································································ DISASSEMBLY········································································································································· REMOVAL OF LAMP································································································································ LEAD DRESS··········································································································································· PACKING ··········································································································································· – FILE “MAINTENA” – LAMP REPLACEMENT ····························································································································...
Page 3 DIAGNOSIS FLOW CHART Image system Is the lamp lit? Do the LEDs illuminate normally after POWER ON? (POWER : Green, LAMP : Green) An image is not projected properly. Is the proper video signal supplied? Is the image projected correctly? Malfunction of the drive circuit.
Page 4 Power source system 1 The product does not LED does't illuminate. enter the stand-by mode. Check the STBY5. Check the failure on the PCB- Has the FUSE (F901) POWER, then replace the parts. blown? PCB-INLET Is the thermal Reset the thermal protector thermal protector : on the lamp box and check the dust on the protector...
Page 5 Power source system 2 STBY5 Diagnosed as abnormal power source. Insert the lead wire. Or Is RD-SD lead wire OK? replace the lead wire. Remove the SD connector from the PCB-MAIN. Is the voltage on Is the pin No. 6 Malfunction of Z950 or Z951.
Page 6 Power source system 3 Abnormal power source for SW (SW3.3, SW15.5, SW5A, SW9AU) Are RD-SD, RF-SF, Insert the lead wire. RN-GN and GV-SV lead wires OK? Remove the PCB-MAIN Turn on FAN and POWER and connect the PCB- on the PCB-POWER TEST. POWER TEST.
Page 7 Power source system 4 The lamp does not light. Are RE-CN1 and SA- Insert or replace them. CN2 lead wires OK? Remove the PCB-MAIN and Turn on FAN and LAMP on connect the PCB-POWER the PCB-POWER TEST. TEST. Does the lamp light? Malfunction of the PCB-MAIN.
Page 8 DIAGNOSIS INFORMATION Outline of self-diagnosis function This product is provided with the self-diagnosis function. In case of any abnormality, the LED at the top of the product will indicate the errors. There are 2 ways for diagnosis. 1 Connect a personal computer to the product. Then, input [00 ~ CHK] from the hyper-terminal window of the personal computer during stand-by.
Page 9: Specifications
Lamp's life span No power-on (Press the “POWER”, “ ” and “ ” Manual (SL2U : 1500h or more, XL2U : buttons at the same time.) 2000h or more) Room temperature not High intake air temperature No power-on...
Page 10: Contents
Select “XL2U” when Warning History 2: The second oldest warning history data using “XL2U.” Select “SL2U” when are recorded in the Warning History 2. using “SL2U.” Warning History 3: The oldest warning history data recorded in the Warning History 3.
Page 11 (3) Warning dialog window (4) Switching the COM port 1. The warning dialog window displays the error location. 1. Select the serial port to which the cable is being Information displayed in this window depends on the connected. When the selected serial port isn’t available selected models.
Page 12: Electrical Adjustments
H timing V timing HDISP VDISP HD signal VD signal Program ROM : LC12 Ver. 1.6 (SL2U) Timing of SVGA signal (Vertical frequency : 60Hz) (SL2U) Program ROM : LC6 Ver. 1.7 (XL2U) DOT-CLOCK [MHz] 40.0 VP [H] Program HP [DOT]...
Page 13 ¢ ¢ Adjustment with Microsoft ® Windows ® 95/98/Me/XP Operating System 1. Starting 1. Start Windows ® 95/98/Me/XP. 2. Double click on the [Accessories] folder. 3. Double click on the [Hyper Terminal] folder. 4. Double click on the [HyperTrm] icon. 2.
Page 14 5. Enter [00 ~ AC0] (the command for RGB input clamp adjustment) on the Hyper Model Signal Terminal window, and the adjustment proceeds automatically. SL2U SVGA 6. When the adjustment finishes, the return command [00 ~ AC0111] is displayed XL2U on the Hyper Terminal window.
Page 15 [Liquid Crystal Panel Adjustment purpose To remove ghosts from the screen. Driving Adjustment Circuit] 2. Ghost (SL2U) Symptom when Ghosts appear. incorrectly adjusted Measuring * Make this adjustment only when ghosts remarkably appear on the screen. instrument * Enter the adjustment command with capital alphanumeric letters.
Page 16 [Liquid Crystal Panel Adjustment purpose To remove ghosts from the screen. Driving Adjustment Circuit] 2. Ghost (XL2U) Symptom when Ghosts appear. incorrectly adjusted Measuring * Make this adjustment only when ghosts remarkably appear on the screen. instrument * Enter the adjustment command with capital alphanumeric letters. ...
Page 17 P.2) Model Signal 4. Set the following items on the picture menu. SL2U SVGA CONTRAST ... .0 XL2U BRIGHTNESS ..0 Table 1 COLOR TEMP .
Page 18: Trademark, Registered Trademark
TRADEMARK, REGISTERED TRADEMARK Microsoft Windows 95/98/Me/XP are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Other brand or product names are trademarks or registered trademarks of their respective holders. PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the PROJECTOR have special safety related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, etc.
Page 19: Safety Precautions
SAFETY PRECAUTIONS North America NOTICE: Observe all cautions and safety related notes located inside the cabinet and on the chassis. WARNING 1. Operation of this PROJECTOR outside the cabinet or with the cover removed presents a shock hazard from the PROJECTOR power supplies.
Page 20: Pcbs Location
PCBs LOCATION Fig. 1 Parts List : See Parts List Page 2. Item No. Parts Name POWER PCB ASSY LAMP POWER UNIT PREAMP PCB ASSY INLET PCB ASSY TERMINAL PCB ASSY MAIN PCB ASSY AUDIO PCB ASSY SENSOR PCB ASSY Table 1 - 3 -...
Page 21: Exposed View
EXPOSED VIEW LVP ASSY Note: Technicians must put on a wrist band to protect LCD panel against Static electricity during the repairs. Parts List : See Parts List Page 3. Parts Name Number of Screws q Top Case Assy A x6 w Membrane Switch B x3 A x6...
Page 22 INLET PCB ASSY B x2, G x1 I x1 (Washer) C x2, D x2 e MAIN PCB ASSY E x1 [SL2U], E x2 [XL2U] r Terminal Shield none t Cooling Fan (Power) F x2, H x1 6 Inlet Barrier...
Page 23 POWER ASSY Part AUDIO ASSY Part A x2 Fig. 2-4 Parts List : See Parts List Page 4. Parts Name Number of Screws q Audio Barrier none Fig. 2-3 w AUDIO PCB ASSY none e Audio Holder none Parts List : See Parts List Page 4. Table 2-4 Parts Name Number of Screws...
Page 24 OPTICAL UNIT1 Part Note: Technicians must put on a wrist band to protect LCD panel against Static electricity during the repairs. B x1 L x1 C x1 F x5 A x4 E x2 I x1 D x1 J x1 M x1 K x1 G x2 H x1...
Page 25 OPTICAL UNIT2 Part Note: Directions of setting parts of !7 to @0 as shown in the pictorial below. Fig. 2-7 Directions which the setting parts face in Light source side (Lamp side) !8 ! 9 @ 0 Flat surface Flat surface RGB Marking shaved edge Uneven surface...
Page 26 OPTICAL UNIT3 Part Note: Directions of setting parts of @1 to @3 as shown in the pictorial below. O x1 Fig. 2-8 Directions which the setting parts face in Light source side (Lamp side) @1 @ 2 @ 3 Surface to stick the polarizer on Flat surface Projection lens side...
Page 27: Disassembly
DISASSEMBLY 1. Removal of TOP CASE ASSY and SPEAKER 1. Remove the seven (a) screws and the Top Case Assy and the Terminal Board as shown in Fig. 3-1. Top Case Assy a x6 Note: Also remove the ST connector on the MAIN PCB ASSY and the GE connector on the AUDIO PCB b x2 ASSY when removing the Top Case Assy.
Page 28 3. Removal of PREAMP PCB ASSY and LAMP POWER UNIT b x2 PREAMP PCB ASSY 1. Remove the Top Case Assy and the Terminal Board d x1 a x2 LAMP POWER UNIT following “1.Removal of TOP CASE ASSY and SPEAKER”. (Fig. 3-1) 2.
Page 29 3. Remove the two (a) screws, (b) screw, two (c) screws and MAIN PCB ASSY as shown in Fig. 3-5-1. Note: The number of screws b is follows: INLET PCB ASSY SL2U 1 screw TERMINAL PCB ASSY XL2U 2 screws Terminal Shield 4.
Page 30 6. Removal of POWER ASSY 1. Remove the Top Case Assy and the Terminal Board a x2 following “1.Removal of TOP CASE ASSY and SPEAKER”. (Fig. 3-1) Power Assy 2. Remove the Terminal Assy (MAIN PCB ASSY, INLET PCB ASSY, and TERMINAL PCB ASSY) following “4.Removal of TERMINAL ASSY (MAIN PCB ASSY, INLET PCB ASSY, and TERMINAL PCB ASSY) ”.
Page 31 8. Removal of OPTICAL UNIT 1. Remove the Top Case Assy and the Terminal Board following “1.Removal of TOP CASE ASSY and SPEAKER”. (Fig. 3-1) b x4 2. Remove the Terminal Assy (MAIN PCB ASSY, INLET Optical Unit PCB ASSY, and TERMINAL PCB ASSY) following “4.Removal of TERMINAL ASSY (MAIN PCB ASSY, INLET PCB ASSY, and TERMINAL PCB ASSY) ”.
Page 32 9. Removal of COOLING FAN UNIT ASSY (PBS) and COOLING FAN UNIT ASSY (EXHAUST) 1. Remove the Top Case Assy and the Terminal Board following “1.Removal of TOP CASE ASSY and a x1 SPEAKER”. (Fig. 3-1) 2. Remove the Terminal Assy (MAIN PCB ASSY, INLET PCB ASSY, and TERMINAL PCB ASSY) following “4.Removal of TERMINAL ASSY (MAIN PCB ASSY, INLET PCB ASSY, and TERMINAL PCB ASSY) ”.
Page 33: Removal Of Lcd Block
11. Removal of LENS UNIT 1. Remove the Top Case Assy and the Terminal Board following “1.Removal of TOP CASE ASSY and SPEAKER”. (Fig. 3-1) Optical Unit 2. Remove the Terminal Assy (MAIN PCB ASSY, INLET PCB ASSY, and TERMINAL PCB ASSY) following “4.Removal of TERMINAL ASSY (MAIN PCB ASSY, INLET PCB ASSY, and TERMINAL PCB ASSY) ”.
Page 34: Removal Of Lamp
Note: Make sure that the model name, the engraved marking on the lamp case, and the parts number are Fig. 4-1 as shown in the table below after replacing the lamp. model name engraved marking parts number SL2U 253P158O10 XL1XU 449D039O90 XL2U - 17 -...
Page 35: Lead Dress
LEAD DRESS Note: 1. The inner wires are clamped so that they do not come close to heat generating or high voltage parts. After servicing route all wires in their original position. 2. Technicians must put on a wrist band to protect LCD panel against Static electricity during the repairs. 1.
Page 36: Packing
PACKING !1 ! 2 ! 3 ! 4 Put the packages in the packing case !5 ! 6 ! 7 ! 8 Fold the sections shown yuio!0 inside and close the packing case Place the soft case between the folded sections inside.
Page 37: Lamp Replacement
• When the LAMP MODE is set to “LOW,” the time locked. elapsed until the lamp shutdown will extend up to about 8. Tighten up the screws (b) using a 2,000 hours for SL2U and up to about 2,500 hours for Phillips screwdriver (+). XL2U. - 1 -...
Page 38: Maintenance
Caution: • The replacement span of the lamp depends on the • The lamp is fragile. If broken, be careful not to cut environment. For lamps replacement , please contact yourself with glass fragments. your dealer. MAINTENANCE Caution: Important: Be sure to turn off the projector and unplug the power cord •...
Page 39: Dust On Lcd Panel
DUST ON LCD PANEL Small amount of dust might lie on the LCD panel or Cleaning polarizer plate with the course of operating time of the LCD Blow off the dust on the LCD panel side or polarizer plate projector and cause poor image. And residual dust inside side using air duster, etc.
Page 40: Service Commands
• Lamp ....... . Approx. 2,000 hours (XL2U) Approx. 1,500 hours (SL2U) •...
Page 41: Function Menu (Setting Menu Only For Service)
” button. • If you change the settings of the WARNING menu after the lamp operating time exceeds 1500 hours (SL2U:1000 hours) , the warning indication may stay on the screen. In such a case, press the “RESET” button or turn off the power to cancel the warning indication.
Page 42: Replacement Of The Main Pcb Assy
REPLACEMENT OF THE MAIN PCB ASSY 1. Outline 4. Click “ChangeCommPort” and select the port which is connecting the personal computer and projector. Replacing the MAIN PCB ASSY involves reading the factory 5. Select the model to use. adjustment data from the old MAIN PCB ASSY and (2) How to read the factory adjustment data transferring such data to a new MAIN PCB ASSY.
Page 43: Replacement Of The Terminal Pcb Assy
REPLACEMENT OF THE TERMINAL PCB ASSY 1. Outline 5. Start the PC and copy the “ChangePwbMAIN” folder onto the desktop. Replacing the TERMINAL PCB ASSY involves transferring 6. Double-click “LvpAdjDataComm_v4.exe” in the the DDC data to a new TERMINAL PCB ASSY. There are “ChangePwbMAIN”...
Page 44: Gamma Adjustment (White Balance Adjustment)
GAMMA ADJUSTMENT ( WHITE BALANCE ADJUSTMENT ) 1. Outline 5. Set the picture quality menu of the product as follows. Contrast Adjust gamma when color appears in black and white Brightness images. sRGB : ON Carry out this adjustment after running the projector for two Color temperature : Standard minutes or longer supplying the specified test signal to the projectror.
Page 45 (2) Select the gradation to be adjusted among three (4) Click “Adjustment” to reflect the adjusted value on different patterns (16, 32, and 48) using the left or the projected image as well as to save such value right shift key of the PC with only the curve of the in the EEPROM.
Page 46: Uniformity Data Transmit
Switches the COM port Point No. : X=17 when communication Y=13 with the PC is not available. SL2U Resolution : SVGA Plane No. Switch ON and OFF after transferring data to Point No. : X=17 check the result of the Y=13 correction.
Page 47: Color Uniformity Adjustment
COLOR UNIFORMITY ADJUSTMENT 1. Outline 3. Operation (1) Connection When color unevenness is still remarkable in the image after you performed “UNIFORMITY DATA TRANSFER,” Connect your PC with the projector using the attached RS- carry out this adjustment. 232C cable. Note: When replacing the LCD block and the PCB MAIN (2) Starting the adjustment program ASSY at the same time, be sure to transfer the...
Page 48 3. Click the SAVE button. 13. Click the point to be adjusted on the table. (The current adjustment values are saved in a file.) (You can move the active point to be adjusted by pressing the UP, DOWN, RIGHT, or LEFT button of the 4.
Page 49: Download Of The Firmware
DOWNLOAD OF THE FIRMWARE 1. Outline 6. Operating procedure Download the firmware to the ROM of the projector using 1. Double-click “LVPDownload.exe” to start the program. software. 2. Messages of precautions before downloading appear. Click “OK” on the display. 2. Operating conditions 3.
Page 50 7. Switching the COM port If communication with the PC is not available, switch the COM port. Select the serial port to which the cable is connected. 8. Precautions • When the projector doesn’t receive the protect cord COM port switching dialog window within one second after turning on the power, the projector will start on the normal mode.
Page 51: Criteria Of The Defect Pixel On The Lcd Panel (For Reference Purpose)
CRITERIA OF THE DEFECT PIXEL ON THE LCD PANEL (FOR REFERENCE PURPOSE) Necessary Tools • This projector • Personal computer (PC) • RS-232C cable (attachment) • CD-ROM (RGB dot pattern) • ND Filter (1.5 %, 2.5 %, 5 %) Pixel Defects (1) Test Conditions Projection conditions : 40 ±...
Page 52 Defect Criteria Pixel short cut Negligible LCD panel White defect White spot Black defect (White defects and black defects shall white defect be counted separately from this defect.) Green None Not more than 3 pixels Not more than 15 pixels Not more than 5 pixels Not more than 5 pixels Not more than 1 pixel...
Page 53: About Laser Beam
ABOUT LASER BEAM [XL2U] 1 Laser aperture 2 Transmission window 3 Indicator 4 POWER button 5 KEYSTONE button 6 EXPAND button 7 + , – (VOLUME) buttons 8 Mouse pointer COMPUTER 9 MENU button 10 STILL button VIDEO KEYSTONE 11 MUTE button (Audio/Video) EXPAND P in P AUTO POSITION...
Page 54: Parts List
PARTS LIST MODEL : SL2U / XL2U In order to expedite delivery of replacement part orders. Specify : 1. Model number/Serial number 2. Part number and Description 3. Quantity Unless full information is supplied,delay in execution of orders will result.
Page 55 PARTS NO. PARTS NAME DESCRIPTION PCBs LOCATION * ! 1 935B270O01 POWER PCB ASSY * ! 2 939P875O10 LAMP POWER UNIT [SL2U] * ! 2 939P931O10 LAMP POWER UNIT [XL2U] * ! 3 935D615O01 PREAMP PCB ASSY * ! 4 935C989O01...
Page 56 The PARTS on this page correspond to ones on page 4 in the EXPOSED file. ITEM PARTS NO. PARTS NAME DESCRIPTION EXPOSED VIEW LVP ASSY (Fig. 2-1) 2, 3 975D152O70 TOP CASE ASSY include [SL2U] include 2, 3 750A472O10 TOP CASE ASSY [XL2U] 439B001O20 MEMBRANE SWITCH CONTROL SW 480P068O10 SPEAKER 761B381O80...
Page 57 * ! 1 934C036O01 TERMINAL PCB ASSY * ! 2 935C989O01 INLET PCB ASSY * ! 3 935B279O03 MAIN PCB ASSY [SL2U] * ! 3 935B279O01 MAIN PCB ASSY [XL2U] - - - - - TERMINAL SHIELD 288P227O10 COOLING FAN...
Page 58 PARTS NO. PARTS NAME DESCRIPTION EXPOSED VIEW OPTICAL UNIT1 (Fig. 2-6) 499D029O30 LENS CAP 499D029O20 LENS UNIT 499D039O50 LCD BLOCK [SL2U] 499D039O20 LCD BLOCK [XL2U] 499D029O60 THERMISTOR ASSY 499D029O90 THERMAL PROTECTOR 499D030O30 COOLING FAN UNIT ASSY 499D029O80 COOLING FAN UNIT ASSY...
Page 59 PARTS NAME DESCRIPTION PACKING 772P037O10 SOFT CASE 803A582O10 PACKING CUSHION TOP/BOTTOM 831D190O10 PACKING SHEET 900X900 802B862O30 PACKING CASE [SL2U] 802B862O10 PACKING CASE [XL2U] - - - - - PACKING CASE 6, 11 831D337O10 PACKING BAG 871D361O30 INSTRUCTION BOOK [SL2U] 871D361O10...
Page 60: Electrical Parts And Others
ELECTRICAL PARTS AND OTHERS [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION Q204 260P836O90 CHIP TRANSISTOR 2SC3326-A,B INTEGRATED CIRCUITS Q240 260P899O10 CHIP TRANSISTOR 2SC3734-B23 IC201 270P911O10 MOS IC 24LC21TSN Q241 260P899O10 CHIP TRANSISTOR...
Page 61 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION L504 409P865O20 EMI FILTER BLM11A601S D3M0 264P830O20 CHIP DIODE DA204U L5A1 409P865O20 EMI FILTER BLM11A601S D3M1 264P830O20 CHIP DIODE DA204U L5A2 409P865O20 EMI FILTER...
Page 62 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION L2C5 325C240O70 CHIP COIL 3.3µH-M L2C6 325C240O70 CHIP COIL 3.3µH-M R209 103P500O80 CHIP RESISTOR 1/16W 39Ω-J R210 103P500O50 CHIP RESISTOR 1/16W 22Ω-J L2C7 325C241O70 CHIP COIL 22µH-K...
Page 63 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION R2N6 103P502O50 CHIP RESISTOR 1/16W 1kΩ-J R738 103P500O50 CHIP RESISTOR 1/16W 22Ω-J R380 103P494O90 CHIP METAL RESISTOR 1/16W 10kΩ-F R739 103P500O50 CHIP RESISTOR 1/16W 22Ω-J...
Page 64 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION R923 103P474O50 CHIP RESISTOR 1/10W 6.8kΩ-F R7M7 103P504O10 CHIP RESISTOR 1/16W 22kΩ-J R924 103P473O30 CHIP RESISTOR 1/10W 2.2kΩ-F R7M8 103P504O10 CHIP RESISTOR 1/16W 22kΩ-J...
Page 65 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION C2A1 141P142O90 CHIP CAPACITOR B25V/16V 0.047µF-K C385 141P144O20 CHIP CAPACITOR F16V 0.1µF-Z C2A2 141P142O90 CHIP CAPACITOR B25V/16V 0.047µF-K C386 141P144O20 CHIP CAPACITOR F16V 0.1µF-Z...
Page 66 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION C5B4 181P522O40 CHIP ELE CAPACITOR 16V 22µF-M C463 181P520O10 CHIP ELE CAPACITOR 6.3V 22µF-M C5B5 181P522O40 CHIP ELE CAPACITOR 16V 22µF-M C464 141P144O20 CHIP CAPACITOR F16V 0.1µF-Z...
Page 67 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION C720 141P144O20 CHIP CAPACITOR F16V 0.1µF-Z C721 141P144O20 CHIP CAPACITOR F16V 0.1µF-Z C7J9 141P140O50 CHIP CAPACITOR B50V 470pF-K C7K4 141P144O20 CHIP CAPACITOR F16V 0.1µF-Z...
Page 68 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION C840 181P522O40 CHIP ELE CAPACITOR 16V 22µF-M C907 141P140O90 CHIP CAPACITOR B50V 1000pF-K C841 141P144O20 CHIP CAPACITOR F16V 0.1µF-Z C908 141P140O90 CHIP CAPACITOR B50V 1000pF-K...
Page 69 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION 288P227O10 COOLING FAN (POWER) 499D039O50 LCD BLOCK 669D220O30 SCREW 3X10 46LA005 669D212O20 SCREW 3X8 83AF 499D039O20 LCD BLOCK 669D329O20 SCREW M3X0.5-8 480P068O10 SPEAKER 669D329O70 SCREW M3X0.5-30 8...
Page 70 [S] : SL2U [X] : XL2U SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION ! R9F3 109D031O80 R-COMPOSITION 1/2W 820kΩ-K 859C670O40 JIG LAMP-POWER-TEST - 17 -...
Page 71: Lcd Projector
COMPUTER OUT D-SUB 9P Mini DIN 8P • The terminal board shown above is XL2U’s. XL1XU and SL2U don’t have a USB terminal. Important: • Make sure that your computer and projector are turned off before connection. • Turn on the projector after the computer is started up.
Page 72 3) Control sequence (1) Send the command from the personal computer to the projector. (The commands shall be sent at intervals of at least 400ms.) (2) The projector will send a return command 400ms* after it receives an end code. If the command is not received correctly, the projector will not send the return command.
Page 73 6) Mute commands (Not executable in stand-by mode or while the Splash screen is projected.) The mute commands are used for the mute setting of this projector with the 0(30h) and 1(31h). ITEM ASCII VALUE 0 (OFF), 1 (ON) MUTE MUTE 7) Remote commands Some remote control operations can be achieved by the remote command codes.
Page 74 VERT. LINES 0000 - 9999 VERT. SYNC. 0 (AUTO), 1 (ON), 2 (OFF) SHUTTER (U) 000 - 383 (000-299 : For SL2U) SHUTTER (L) 000 - 383 (000-299 : For SL2U) SHUTTER (LS) SHLS 000 - 510 (000-398 : For SL2U)
Page 75 How to set the grade Use the ASCII codes to set the grade for setting data. Please refer to the table below for the HEX code. ASCII '–' [Example 1] When setting the AUTO POWER ON to ON (Figures and symbols enclosed in quotation marks are ASCII codes.): Sending commands Status code from...
Page 76: Ic Block Diagrams
IC BLOCK DIAGRAMS PCB-MAIN(1/8) IC501 74HC4053 IC530 SN74LV14APW X SWITCH HSCTL POLH H SYNC DET. C / HSYNC IN EXIH Y SWITCH VIDEO IN POLV Z SWITCH SYNC SEPA. A(LSB) VSEPA EXIV HOR. SYNC CONTROL V SYNC SEPA. C(MSB) VSYNC IN ENABLE CVPOL HDRV...
Page 77 PCB-TERMINAL IC201 24LC21TSN IC240 HD74LVC14T VCLK FUNCTION TABLE INPUT OUTPUT HV GENERATOR MEMORY EEPROM ARRAY CONTROL CONTROL XDEC LOGIC LOGIC PAGE LATCHES YDEC SENSE AMP R/W CONTROL PCB-MAIN(4/8) IC5A2 M62358FP N.C. VrefU Gain Determination Latch 8 bit Upper R-2R R-2R R-2R R-2R R-2R...
Page 78 IC5A4 M62342FP IC801 L3E06090D0A VID1 2~11 DB[0~9] 10 Bit Sift Register Power On VID2 Reset Channel Decoder STSQ VID3 Control Logic DAC Latches VID4 8 Bit Latch 8 Bit Latch 8 Bit Upper 8 Bit Upper VID5 Segment R-2R Segment R-2R VID6 VREF SCALING...
Page 79 PCB-MAIN(5/8) PCB-MAIN(6/8) IC8A1,IC8M1 L3E06090D0A IC8A2,IC8M2 L3E01040F0A VCC GND DGND 1,13 2,12 24,25,36,42 23,37,43 VID1 DYIN INVERT LEVEL SHIFT 2~11 DB[0~9] CLYIN LEVEL SHIFT INVERT LEVEL SHIFT VID2 DIRYIN LEVEL SHIFT DIRY DIRXIN LEVEL SHIFT DIRX STSQ VID3 NRGIN INVERT LEVEL SHIFT Control Logic MODE ENBY2...
Page 80 IC7A3 MM74HCT32MTC / TC74VHCT32AFT FUNCTION TABLE (each gate) INPUTS OUTPUT : HIGH LEVEL : LOW LEVEL PCB-MAIN(8/8) IC705 CAT24WC128J / 24LC128T-I/SN Dout ACK Sense Amps (Open drain) Shift Registers Word Address Buffers Column Decorders Start/Stop Logic E2PROM Control Logic XDEC (256 512) Data In Storage State Counters...
Page 81 PCB-AUDIO IC390 LA4525 CH2 in OUTPUT CH2 out INPUT DRIVE BTL IN RNF2 SMALL SIGNAL LARGE SIGNAL RNF1 OUTPUT CH1 out INPUT DRIVE CH1 in PCB-POWER IC901 MC33232D 1.4V Zero-current detection 5.3V 1.6V /1.4V 2.5V Reference UVLO Timer Output Current detection one-shot 1.5V...
Page 82 DIGITAL1 PCB-MAIN(2/8), PCB-TERMINAL ··· C-3 DIGITAL2 PCB-MAIN(3/8) ················ C-4 DRIVE1 PCB-MAIN(4/8) ·················· C-5 DRIVE2 PCB-MAIN(5/8) ·················· C-6 DRIVE3 PCB-MAIN(6/8) ·················· C-6 MICROCOM1 PCB-MAIN(7/8) ········· C-7 MICROCOM2 PCB-MAIN(8/8) ········· C-8 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 SL2U XL2U...
Page 83 MICROCOM1 PCB-MAIN(7/8) ········· C-7 TPLLC TPRES IDA1 MICROCOM2 PCB-MAIN(8/8) ········· C-8 R2E7 L2G1 ICLK1 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 R2E6 C2G1 C2G2 C2G3 C2G4 C2G5 C2G6 C2G7 C2G8 C2G9 C2H0 C2H1 C2F5 C2F6 C2F7 R2A0 SL2U XL2U...
Page 84 DIGITAL1 PCB-MAIN(2/8), PCB-TERMINAL ··· C-3 DIGITAL2 PCB-MAIN(3/8) ················ C-4 DRIVE1 PCB-MAIN(4/8) ·················· C-5 DRIVE2 PCB-MAIN(5/8) ·················· C-6 DRIVE3 PCB-MAIN(6/8) ·················· C-6 MICROCOM1 PCB-MAIN(7/8) ········· C-7 MICROCOM2 PCB-MAIN(8/8) ········· C-8 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 SL2U XL2U...
Page 85 DIGITAL1 PCB-MAIN(2/8), PCB-TERMINAL ··· C-3 DIGITAL2 PCB-MAIN(3/8) ················ C-4 DRIVE1 PCB-MAIN(4/8) ·················· C-5 DRIVE2 PCB-MAIN(5/8) ·················· C-6 DRIVE3 PCB-MAIN(6/8) ·················· C-6 MICROCOM1 PCB-MAIN(7/8) ········· C-7 MICROCOM2 PCB-MAIN(8/8) ········· C-8 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 SL2U XL2U...
Page 86 DIGITAL1 PCB-MAIN(2/8), PCB-TERMINAL ··· C-3 DIGITAL2 PCB-MAIN(3/8) ················ C-4 DRIVE1 PCB-MAIN(4/8) ·················· C-5 DRIVE2 PCB-MAIN(5/8) ·················· C-6 DRIVE3 PCB-MAIN(6/8) ·················· C-6 MICROCOM1 PCB-MAIN(7/8) ········· C-7 MICROCOM2 PCB-MAIN(8/8) ········· C-8 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 SL2U XL2U...
Page 87 DIGITAL1 PCB-MAIN(2/8), PCB-TERMINAL ··· C-3 DIGITAL2 PCB-MAIN(3/8) ················ C-4 DRIVE1 PCB-MAIN(4/8) ·················· C-5 DRIVE2 PCB-MAIN(5/8) ·················· C-6 DRIVE3 PCB-MAIN(6/8) ·················· C-6 MICROCOM1 PCB-MAIN(7/8) ········· C-7 MICROCOM2 PCB-MAIN(8/8) ········· C-8 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 SL2U XL2U...
Page 88 DIGITAL1 PCB-MAIN(2/8), PCB-TERMINAL ··· C-3 DIGITAL2 PCB-MAIN(3/8) ················ C-4 DRIVE1 PCB-MAIN(4/8) ·················· C-5 DRIVE2 PCB-MAIN(5/8) ·················· C-6 DRIVE3 PCB-MAIN(6/8) ·················· C-6 MICROCOM1 PCB-MAIN(7/8) ········· C-7 MICROCOM2 PCB-MAIN(8/8) ········· C-8 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 SL2U XL2U...
Page 89 DIGITAL1 PCB-MAIN(2/8), PCB-TERMINAL ··· C-3 DIGITAL2 PCB-MAIN(3/8) ················ C-4 DRIVE1 PCB-MAIN(4/8) ·················· C-5 DRIVE2 PCB-MAIN(5/8) ·················· C-6 DRIVE3 PCB-MAIN(6/8) ·················· C-6 MICROCOM1 PCB-MAIN(7/8) ········· C-7 MICROCOM2 PCB-MAIN(8/8) ········· C-8 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 SL2U XL2U...
Page 90 DIGITAL1 PCB-MAIN(2/8), PCB-TERMINAL ··· C-3 DIGITAL2 PCB-MAIN(3/8) ················ C-4 DRIVE1 PCB-MAIN(4/8) ·················· C-5 DRIVE2 PCB-MAIN(5/8) ·················· C-6 DRIVE3 PCB-MAIN(6/8) ·················· C-6 MICROCOM1 PCB-MAIN(7/8) ········· C-7 MICROCOM2 PCB-MAIN(8/8) ········· C-8 PCB-SENSOR, PCB-INLET, PCB-PREAMP ··· C-9 PCB-AUDIO, PCB-POWER ··············· C-9 SL2U XL2U...
Page 91 C – 1 C811 D – 4 C8Z4 D – 5 L242 A – 5 L7J5 A – 3 Q7D6 D – 2 R472 B – 3 R713 C – 1 R7K6 A – 1 R8P2 D – 3 SL2U XL2U...
Page 92 C – 1 D – 1 C9B4 C – 1 IC9A2 C – 1 B – 4 C9F0 B – 3 B – 1 C9F1 C – 4 J9F1 A – 3 B – 1 C9F1 C – 5 SL2U XL2U...

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