Canon LV-7105E/D78-5133 manuals
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Canon LV-7105E/D78-5133 Service Manual
134 pages 6.02 Mb
SERVICE MANUAL5 PREFACE1. Service Manual Composition 2. Model Differences 6 3. Tools & Test Equipment1) General Purpose Tools 2) Test Equipment (Local Purchase) 3) Other Equipment (Local Purchase) 4) Chart/Software (Attached with this manual) II 7 CONTENTS13 1. FEATURES17 2. LV-7105 SPECIFICATIONS19 3. NOMENCLATURE25 4. COMMENTARY28 5. CONNECTING5.1 Connection to the computerFig. 1-10MAC Adapter AUDIO OUT CONTROL PORT Audio Input Monitor Output 1-16IBM-compatible computers or Macintosh computers (VGA/SVGA/XGA/SXGA)VGA Cable Desktop type Laptop type Speaker (Stereo) Audio Amplifier Serial Port PS/2 Port Audio OutputCOMPUTER AUDIO IN COMPUTER IN ADB Port 29 5.2 Connecting to the video equipment30 6. SETTING-UP THE PROJECTOR6.1 Positioning the projector 6.2 Installation precautions 32 7. SUPPORTED COMPUTER SYSTEM MODE35 1. SAFETY INSTRUCTIONS36 2. CIRCUIT PROTECTIONS39 3. MECHANICAL DISASSEMBLIES45 4. OPTICAL PARTS DISASSEMBLIES49 5. LCD PANEL/PRISM ASSY REPLACEMENT51 6. CLEANINGCleaning with air spray Disassembly cleaning 2-17 2-18 52 7. LAMP REPLACEMENTFig. 2-25 Procedure How to reset the lamp replacement monitor timer Service Parts No.: DY4-6108-000 Description: Lamp Assy LV-LP10 53 Lamp Age 0123 Hours57 1. BEFORE ADJUSTMENTS3-1 Caution to memory IC replacement Caution of Main Board replacement (in the case IC302 is not defective) 58 1.1 Adjustments after Parts Replacement3-2Disassembly / Replaced Parts Electrical Adjustments Optical Adjustments : Adjustment necessary 59 1.2 Service Adjustment Menu OperationTo enter the service mode 3-3 To adjust service data To return to the normal mode Fig. 3-1 60 1.3 Service ConditionsFan Control Setting Procedure 3-4 Service Conditions: 61 1.4 Service Adjustment Data TableNo. Adjustment Item RangeInitial Value Description 62 3-6No. Adjustment Item RangeInitial Value Description 63 2. ELECTRICAL ADJUSTMENTS72 3. OPTICAL ADJUSTMENTS76 4. TEST POINTS AND LOCATIONSMain Board Fig. 3-16 3-20D652 D651 K1 IC561 IC3301 IC531 IC501 IC202 IC6901 IC301 IC6101K6J K6K K6D K6M K6C T651 IC631 Power Board 79 1. TROUBLESHOOTING1.1 No Power4-1 1) Periphery of chassis 2) Power board 80 3) Main board4) Component board 4-2 82 4-4Fig. 4-1IC301 SYSTEM CONTROL IC1806 IC1803 IC1804 IC1851 IC1808 IC2882 IC2883 4-5IC2831 SW904 SW902 IC2832 IC2641 ~ IC2681LAMP BALLAST UNIT S6V 15V 5V 83 7control P.F.C. Interlock switchLAMP.DET LAMP SW. Switching power supply Q671, Q681Check that the FAN DRIVE signal at pin 19 of IC1804 is correct. H : Power ON TEMP. SENSOR 84 1.2 No Sound1) Main board Fig. 4-2 4-6 2) Audio board 85 1.3 No Picture1) AV board 2) Main board 4-7 86 4-8Fig. 4-3Cr/Pr Cb/Pb MAIN BOARDVIDEO S-Y S-C H-SYNC V-SYNC R G B AV BOARD 87 2. CONTROL PORT FUNCTIONS2.1 System Control & I/O Port Functions 89 3. WAVEFORMS120 1. PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAMCoil Reading 6-1 Capacitor ReadingMaterial table Tolerance table Example L2 C1 4R7 K N Tolerance Inductance value Manufacture code Unique code 121 6-2Diode/Transistor Type ReadingExample 1/2 D J 10K B Example 6 W K 8.2 Example 1/2 C K 1M Resistor Reading 122 2. PIN DESCRIPTION OF DIODE, TRANSISTOR AND ICIndex 6-3Index Index K: Cathode A: Anode C: Collector B: Base E: Emitter FET ICD: Drain G: Gate S: Source Diode Transistor/FET IC Diode Transistor/FET 123 Circuit Block Diagram (LV-7105U/LV-7105E)A1IC1809 LAMP REP LED MUTE LAMP REP LED R-LCD DECODER IC301 G-LCD B-LCD SYSTEM CONTROL & SCAN CONVERSIONRGB H-SYNC V-SYNC S-VIDEO VIDEO IC5201 PC/AV-SW IC5281 S/VIDEO-SWAIR MOUSE CONTROL PORT SPEAKER A/D CONVERTER D/A CONVERTER LCD DRIVERIC401 R-SAMPLE & HOLD G-SAMPLE & HOLD IC3301 TIMING CONTROLLER KEY CONTROL SYNC SEPARATOR DIGITAL RGB MATRIX DIGITALIC805 RAM IC1803 IC1804 IC1806 IC1807 IC1808 IC806 FLASH ROM Cr/Pr Cb/Pb 124 Power Supply Lines (LV-7105U/LV-7105E)A2ASSY PWB, AV 12V ASSY PWB, TEMP ASSY PWB, AUDIOIC2643 5VD 5V_DV S3.3V2 S2.5V S3.3V1 S5V S5VD 12V2 15.5V1 12V 12V ASSY PWB, COMPONENT ASSY PWB, MAIN ASSY PWB, POWER 6VD ASSY PWB, R/CIC01 P.F.CONTROL VR01 PC643 PC644 LAMP BALLAST UNIT 5VDPC641T651 CONVERTER TRANSFORMER IC631 SWITCHING POWER SUPPLY PC642 IC1804 I/O EXPANDER 15.5V1 15.5V1 15.5V 15.5V 5VD 12V1 12V3 15.5V15.5V 15.5V1 15.5V S-5V 12V IC301 SYSTEM CONTROLIC1808 I/O EXPANDER IC1851 COMP. 125 Schematic Diagrams LV-7105U/EA3F.G. VR01 ASSY,PWB,POWER MP6A SERVICE 1AASB10C3110A 1AA0B10C3010B 1AA0B10C3110C CAUTIONK6D CB2 CB1 SP901 AUDIO AMP AC100-120V AC200-240V LP901 LENS R G B CAUTIONINTER LOCK SW SW904 SW902 TERMOSTAT SW CURRENT RESONANSE TYPE POWER SUPPLY HOT SIDE COLD SIDE AV BOARD COMPONENT BOARD MAIN BOARDASSY,PWB,R/C MP6A 1AA0B10C3020C ASSY,PWB,AUDIO AMP MP6AIC001 AN5265 ASSY,PWB,TEMP MP6AIC1832 LM76CHMX-5IC656 UPC1093T-E1 IC631 STR-Z2156 IC01 FA5332M LINE FILTER MP6A 1AA0B10C3110B ASSY,PWB,AV MP6A 1AA0B10C3020A 1AA0B10C302AB ASSY,PWB,COMPONENT MP6AA ASSY,PWB,MAIN MP6PA 1AA0B10C301DAAC CORD LAMP BALLAST TEMP. SENSOR 126 AV BOARD12 3 4 5 6 7 8 9 10 11 12 13 14 15 16 A4 TC7W53FU-(TE12L)-9.5V -5.1V 4.8V 0.7V 5.2V 5.6V 0.4V 0V 0.4V TP219 TP217 G-SYNC/Y BOARD "K6P" AUDIO AMP.V-SYNC AUDIO-OUT AUDIO-IN Cr/PrTC4053BF(EL) EL4332CS IC1021IC1021 R OUT Cb/Pb Cr/PrVD HD PV PH CLP SEL CLP OUT VS IN PVC EVC HS IN (CS IN) PHC EHC G-SYNC IN (VIDEO IN) HD SEL ISC ISJ GND VSS REF VSS OUT VSS IN VCC 1 2 3 4 5 6 7 8 PC L PC R AV L AV R CG L/R-IN CG S-V Y/VIDEO AV L/R-IN CG/AV L/R-OUT L OUT IC5282 IC5201 EL4332CS CXA2016S IC5281 IC5001 ASSY,PWB AV COMP MP6A 1AA0B10C3020ARESET SW COMPUTER IN S-VIDEO Y/VIDEO CG L/R-IN Cb/Pb AV L/R-IN CG/AV L/R-OUT SERIAL PORT R G B G-SYNC/Y G-SYNC SEP. AUDIO SWITCHR/Cr/Pr G-Y S-Y S-CS-C S-VIDEO SWITCH PC/AV SWITCHY/G-SYNC SWITCHTP208 TP211TP211 TP212 TP213 RC BOARD "K28D" AIR MOUSE CONTROLLER-1IC3841 TWM7000-151020 IC3871 HIN232CB SP232ACT IC3862 MN1382-Q-TX IC3861 TMP47C101M-JV45 IC3801 TWM7000-162020 H-SYNC V-SYNC RS232C DRIVERSUB CPUIC10012.5V 2.2V 0.7V 4.3V 5.3V 10V 7.6V TP218 V-SYNC R/Cr/Pr G/Y B/Cb/Pb S-C S-Y VIDEO DECORDER IC5101 SAA7114H A5TP207 IC7221 TC74LCX14FT HD74LVC14T G/Y B/Cb/PbTP221BIC1931 TC74VCX125FT IC1921 IC1911 IC1901 IC1941 TC74VCX04FT IC5251 IC5252 IC5253 TP221R TP221G TP7223 TP7224 IC202 AD9884AKS-140 A/DIC231 BA033FP-E2 IC6102 MN1382-Q-TX IC6901 EPM3256ATC144-10 127 SYNC SEPARATOR COMPOSITE INPUTDIGITAL RGB MATRIXSCAN CONVERTER IC301 GHS GVS VHS VVS R/Cr/PrTP5111 TP5112 TP5113IC5102 BA033FP-E23.1V 3.1V 0.6V0VA V LAMP READY U T R P N M L K J H G F E D C B Y W 128 (IC301)A6 RC GVS GHS IC301 (IC1601)891011121314151618 171920 <TOP_VIEW>On-Off Normal Left Up Select Down Right Menu Mode 2.0VSW6803 SW6804 SW6806 SW6807 SW6808 SW6809 SW6871 SW6801 SW6802 LAMP REPLACE WARNING TEMP. IC801 MBM29LV800TA90NB787BIC861 TC74LCX244FTIC851 MC74HCT244ADT HD74HCT244TV SN74HCT244PWR IC302 24LC16BT/SN-T IC811 IDT71V016S15PHTR SRAM FLASH ROMIC1991 TC7SZ125FU IC1961 AV9155C PLLIC1951 ER-ICS502MT IC1802 TC7W32FU(TE12L)IC1801 TC7SH04FU-(TE85L) SN74AHC1G04HDCKR IC351 TC74LCX14FT HD74LVC14T IC1831 LM76CHMX-5 TEMP SENSORIC312 TC7W126FU -(TE12L) IC311 PST573IM IC301 PW164-10RKSCAN CONVERTER & SYSTEM CONTROLIC1807 IC1851 M51206FP IC1808 TC74LCX541FT IC1809 TC74LCX541FT IC321 TC7W53FU-(TE12L) IC2881 PIC12C508A -04/SM IC2882 SN74AHCT1G14DBVR LAMP BALLAST VIDEO DECODER (IC5101) D/A IC2200 TEMP BOARD "K8H" MEMORY DVS DHS VVS VHS1.4V 1.4V 0V 1.4V IC1803 IC1804 IC1806S6V 5VD 54321 9 10 11 12 4847 46 45 44 43 42 41 40 39 38 37 36 35 34 33 16151413121110987654321 12345 9 16 1 2 3 4 5 6 7 8 9 1011 1213 6VD 5V_DV 5V 5V D.GND G1(MSB) B1(MSB) B2 3 4 VST HST CTRL TEST0 TEST1 TEST2 DOUT00 DOUT01 SCLK SDAT SCLK DOUT03 DOUT11 DOUT12 DOUT13 DOUT14 DOUT20 DOUT21 DOUT22 DOUT23 DOUT24 CLKOUT N.C GAMG_B1P GAMR_B1P GAMB_WHP GAMG_WHP GBIAS AMPG CLPLEV GIN ATT RIN CLPPLS ROUT GOUT BOUT GAMOFF BLKLIM PRGLEV PRGPLS DATEST DIR_CNT DLY_CNT POS_CNT2 POS_CNT1 IC1501 CXA3512RM27282930313233343536373839 10 11 12 13 121110987654321 39 38 37 363534333231302928272625 1962 2160 4847 46 45 44 43 42 41 40 39 38 37 36 35 34 33 49 32 16151413121110987654321 13 12 1110 35 34 33 32313029282726252423222120191817 6463 62 61 60 59 58 57 56 55 54 53 52 51 50 49 39 38 37 3613 SIDOUT INV_CNT V33 SIDLEV BIN AMPR AMPB RBIAS BBIAS GAMR_WHPGAMR_B2P GAMG_B2P GAMB_B2P GAMR_WHG GAMG_WHG GAMB_WHG GAMR_B1G GAMG_B1G GAMB_B1G GAMR_B2G GAMG_B2G GAMB_B2G SCL SDA DVSS1 DVDD1 DACKO DOUT25 DVDD0 DOUT15 DOUT10 CKI1 DVSS3 XCLR HSYNC SCTR DVDD2 DACI0 DACO0 AVDD VRH AOUT1 DACI1 DACO1 VRL AVSS AOUT2 DACI2 DACO2DOUT02 DWN RGT MP6AA-05 IC3501 MC10H351ML1 IC2211 IC2221 TTL/ECL LEVEL SHIFTTP2211R TP2221G TP2231B TP505B TP1571 TP561 TP503G VR532 TP531 TP1401 TP501 IC501 CXA3512R R-SAMPLE & HOLD-1 129 "K3R""K3G"IC1501 CXA3512R R-SAMPLEIC2231 IC2200 MB40988PFQ-G -MSBNDIC431 M62358FP TP541 IC531 VR533 PSIG DRIVETP504G TP1531 IC1531 G-SAMPLE G-SAMPLE & HOLD-1 LCD DRIVEIC451 L88MS05TL-TL IC411 TC7SH04FU-(TE85L) SN74AHC1G04HDCKR IC472 IC561 B-SAMPLE & HOLD-1TP571 VR563 VR562 IC1451 LT1206CS8 PSIG DRIVE "K3B"IC1561 B-SAMPLEIC471 CXD3503R WHITE UNIFORMITY CORRECTION (IC301) R G B5.7V 5.0V 2.6V D/A CONVERTER A7 130 BOARD "K3A"A8 6VD 15.5V FN905 FN901 FN903 POWER BOARD "K6J" POWER BOARD "K6K"IC3381 IC3301 LC24049A-TA7 TIMING CONTROLLERIC3391 IC2601 BA033FP-E2 IC2612 PQ2TZ15 IC2643 IC2642 IC2631 L78M09T-TR IC2621 BA033FP-E2 IC6601 AD8400AR1 IC3392 TC7SH04FU -(TE85L) IC3393 TC7SH04FU -(TE85L) IC3321 TC74LCX244FT IC3331 DVS DHSTP6601 TP6602 TP6603 VR6601 131 COMPONENT BOARD15.5V1 G B FAN R-PANEL B-PANEL G-PANELMP6AA-07 R-LCD G-LCD B-LCD FAN FN902 MAIN BOARD "K8A" "K33R" R A9 132 Printed Wiring Board Diagrams (LV-7105U/E)
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