NEC LCD1501-BK Скачать руководство пользователя страница 72

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SYMBOL

Part No for NPG Part No for NMV

DESCRIPTION

C622

GM410353

79EN0503

C SMD X7R/T 0.01U/50V K

C623

GM410353

79EN0503

C SMD X7R/T 0.01U/50V K

C902

GJ033417

79PQ5051

C SAFETY-X 0.33U/275V M

C903

GJC10285

79EN0655

C SAFETY Y/D 1000P/250V M

C904

GJC10285

79EN0655

C SAFETY Y/D 1000P/250V M

C905

GAY00010

79PQ5049

C ELE105 100U 400V M HITA

C906

GB7103H3

79PQ1746

CERAMIC Y5P(B)/T0.01U/1KV

C907

GA310555

79PQ0196

ELECT 85°C/T 1U/50V M

C908

GF210452

79PQ0752

MEF CAP BOX 0.1U/50V J

C909

GA347655

79PQ1267

C,ELEC 47UF 50V M

C910

GJC22285

79EN0656

C SAFETY Y/D 2200P/250V M

C911

GB7103H3

79PQ1746

CERAMIC Y5P(B)/T0.01U/1KV

C912

GB210458

79PQ0228

CERAMIC Y5V/T 0.1U/50V Z

C921

GAM68737

79EN0644

C ELE 105C/T 680U/25V M

C922

GAM68737

79EN0644

C ELE 105C/T 680U/25V M

C923

GF233252

79PQ5050

MEF CAP BOX 0.0033U/50V J

C924

GF210452

79PQ0752

MEF CAP BOX 0.1U/50V J

C932

GAM22737

79EN0642

C ELE 105C/T 220U/25V M

C933

GAM22737

79EN0642

C ELE 105C/T 220U/25V M

C935

GB210458

79PQ0228

CERAMIC Y5V/T 0.1U/50V Z

C936

GB210458

79PQ0228

CERAMIC Y5V/T 0.1U/50V Z

C937

GB210458

79PQ0228

CERAMIC Y5V/T 0.1U/50V Z

CP301 GXY00011

79PQ5154

SMD

NETWORK NPO 22P 50V

CP302 GXY00011

79PQ5154

SMD

NETWORK NPO 22P 50V

CP303 GXY00011

79PQ5154

SMD

NETWORK NPO 22P 50V

CP304 GXY00011

79PQ5154

SMD

NETWORK NPO 22P 50V

CP305 GXY00011

79PQ5154

SMD

NETWORK NPO 22P 50V

CP306 GXY00011

79PQ5154

SMD

NETWORK NPO 22P 50V

8-9

Содержание LCD1501-BK

Страница 1: ...COLOR MONITOR LCD1501 MODEL LCD1501 BK B 200211 08R390B3 SERVICE MANUAL PART NO 599910613 NEC MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION NOVEMBER 2002 ...

Страница 2: ...the personnel that un insulated voltage within the unit may have sufficient magnitude to cause electric shock This symbol alerts the personnel that important literature concerning the operation and maintenance of this unit has been included Therefore it should be read carefully in order to avoid any problems PRODUCT SAFETY CAUTION 1 When parts replacement is required for servicing always use the m...

Страница 3: ...USER S MANUAL 1 1 SERIAL NUMBER INFORMATION 2 1 DISASSEMBLY 3 1 ADJUSTMENT PROCEDURES 4 1 INSPECTION 5 1 TROUBLE SHOOTING 6 1 CIRCUIT DESCRIPTION 7 1 REPLACEMENT PARTS LIST 8 1 BLOCK DIAGRAM 9 1 SCHEMATIC DIAGRAMS 10 1 ...

Страница 4: ...al LCD1501 User s Manual UÏivatelská pﬁíruãka Bedienerhandbuch Οδηγίες Χρήσης Manual del usuario Manuel Utilisateur Manuale utente Gebruikershandleiding Podr cznik u ytkownika Руководство пользователя Kullan c Klavuzu ...

Страница 5: ...suant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not o...

Страница 6: ...vironmental demands for example in respect of the reduction of electric and magnetic fields physical and visual ergonomics and good usability Environmental Requirements Flame retardants Flame retardants are present in printed circuit boards cables wires casings and housings In turn they delay the spread of fire Up to thirty percent of the plastic in a computer casing can consist of flame retardant...

Страница 7: ...nçais 1 Sommaire Français 2 Mise en marche rapide Français 2 Commandes Français 6 Conseils d utilisation Français 9 Avvertenza Attenzione Italiano 1 Dichiarazione Italiano 1 Contenuto Italiano 2 Guida rapida Italiano 2 Controlli Italiano 6 Uso consigliato Italiano 9 Waarschuwing Let op Nederlands 1 Kennisgeving Nederlands 1 Inhoud Nederlands 2 Snel aan de slag Nederlands 2 Besturingselementen Nede...

Страница 8: ...1 5 English âesky Deutsch Ελληνικά Español Français Italiano Nederlands Polski Русский Türkçe ...

Страница 9: ...ERGY STAR is a U S registred mark IBM PC XT AT PS 2 MCGA VGA 8514 A and XGA are registered trademarks of International Business Machines Corporation Apple and Macintosh are registered trademarks of Apple Computer Inc Microsoft and Windows are registered trademarks of the Microsoft Corporation NEC is a registered trademark of NEC Corporation All other trademarks or registered trademarks are propert...

Страница 10: ...n all screws For Mac Connect the LCD1501 Macintosh cable adapter to the computer Figure B 1 Attach the 15 pin mini D SUB end of the appropriate signal cable to the LCD1501 Macintosh cable adapter Figure B 1 Tighten all screws Figure A 1 Figure B 1 Macintosh Cable Adapter not included Macintosh G3 and G4 do not need a Macintosh cable adapter 4 Connect the 15 pin mini D SUB of the video signal cable...

Страница 11: ...urned on using the front button DO NOT switch on off repeatedly 7 No touch auto adjust automatically adjusts the monitor to optimal settings upon initial setup for most timings For further adjustments use the following OSM controls Auto Adjust Contrast Auto Adjust Refer to the Controls section of this User s Manual for a full description of these OSM controls NOTE If you have any problems please r...

Страница 12: ... non abrasive surface Figure R 1 3 Remove the hinge cover Figure R 1 4 Remove the 4 screws connecting the monitor to the stand and lift off the stand assembly Figure R 2 the monitor is now ready for mounting in an alternate manner 5 Connect the AC cord and signal cable to the back of the monitor Figure R 3 6 Reverse this process to reattach stand NOTE Use only VESA compatible alternative mounting ...

Страница 13: ...ed to an arm which guaranties the necessary stability under consideration of the weight of the monitor The LCD monitor shall only be used with an approved arm e g GS mark Figure R 3 4 SCREWS M4 MAX depth 8 5 mm If use other screw check depth of hole Weight of LCD assembly 2 8kg MAX Replace screws Tighten all screws 75 mm 75 mm Thickness of bracket arm 2 0 3 2 mm Specifications Figure R 2 ...

Страница 14: ...lay area of the LCD H SIZE Adjusts the horizontal size by increasing or decreasing this setting Should the AUTO Adjust function do not give you a satisfactory picture setting a further tuning can be performed using the H Size function dot clock For this a Moiré test pattern could be used This function may alter the width of the picture Use Left Right Menu to center the image on the screen If the H...

Страница 15: ...ter the last touch of a button to shut off the OSM control menu The preset choices are 10 20 30 45 60 and 120 seconds OSM LOCK OUT This control completely locks out access to all OSM control functions When attempting to activate OSM controls while in the Lock Out mode a screen will appear indicating the OSM controls are locked out To activate the OSM Lock Out function press SELECT then key and hol...

Страница 16: ...or video is inactive the No Signal window will appear RESOLUTION NOTIFIER This function gives a warning of use with optimized resolution After power is turned on or when there is a change of input signal or the video signal doesn t have proper resolution the Resolution Notifier window will open This function can be disabled in the TOOL menu OUT OF RANGE This function gives a recommendation of the ...

Страница 17: ...Do not cover vent on monitor If monitor is broken do not come in contact with the liquid crystal If glass is broken Handle with care Allow adequate ventilation around the monitor so that heat can properly dissipate Do not block ventilated openings or place the monitor near a radiator or other heat sources Do not put anything on top of monitor The power cable connector is the primary means of detac...

Страница 18: ...cs To realize the maximum ergonomics benefits we recommend the following Use the preset Size and Position controls with standard signals Use the preset Colour Setting Use non interlaced signals with a vertical refresh rate between 60 75 Hz Do not use primary colour blue on a dark background as it is difficult to see and may produce eye fatigue to insufficient contrast ...

Страница 19: ...1 16 Printed on recycled paper ...

Страница 20: ...assification code Discriminate by cabinet color White 0 Black 1 Gray Silver 2 Running number Notes This running number doesn t reset at each month Example Jan 00001 00002 00003 01234 Feb 01235 01236 01237 99999 00001 Mar 00002 00003 00004 Factory Code NPG China factory Y Control Code For A ver U S A A For B ver Europe and Asia and Pacific B For J ver Japan J EX SERIAL NUMBER LABEL Model Name LCD15...

Страница 21: ...proper screwdriver If oversize or undersize is used screws may be damaged g Assembly is the opposite process of disassembly g Note If consignment the parts begins the part number of NPG is used SYMBOL Part No for NPG Part No for NMV DESCRIPTION 1 11001641 79PQ5103 COVER HINGE R 2 P4 12 SPW WAS MC NI 1 2 ...

Страница 22: ...3 2 SYMBOL Part No for NPG Part No for NMV DESCRIPTION 3 P3 8 ML NI 4 T3 16 W MC NI 5 10103231 79PQ5102 COVER REAR ASSY LCD1501BK 6 12300511 79EN0526 VESA BKT 4 5 6 3 ...

Страница 23: ... Part No for NMV DESCRIPTION 7 P3 6 W ML NI 8 4 40T 40T 4 8HL 4 0 5 NL W 9 SHIELD COVER SYMBOL Part No for NPG Part No for NMV DESCRIPTION 10 P3 8 8 SPW WAS ML NI 11 AM0R31ML 79PQ5080 MAIN INSERT ASSY 9 7 8 11 J301 J101 J601 10 ...

Страница 24: ...INSERT ASSY 16 JM100021 79PQ5128 INVERTER BD T301001 00 17 RC900051 79PQ5160 LEAD CONNECTOR ASSY SW BLK SYMBOL Part No for NPG Part No for NMV DESCRIPTION 18 SCREW T3 10 19 AS0R31ML 79PQ5082 SW INSERT ASSY 20 10103201 79PQ5101 COVER FRONT ASSY LCD1501B 21 RC200121 79PQ5162 WIRE 12P 12P L120 J901 CN1 CN2 CN3 15 12 13 14 9 16 17 18 J800 19 20 21 ...

Страница 25: ...3 5 SYMBOL Part No for NPG Part No for NMV DESCRIPTION 22 P2 5 4 MC NI SYMBOL Part No for NPG Part No for NMV DESCRIPTION 23 3A684033 LCD LM150X06 A3 24 RC200131 79PQ5163 WIRE 20P 20P L120 22 22 21 22 ...

Страница 26: ...YMBOL Part No for NPG Part No for NMV DESCRIPTION 25 P4 8 W NI 26 T4 6 ML NI 27 12300841 79PQ5164 SHIELD BASE 28 17001241 79PQ5165 PAD FOOT 29 11001621 79PQ5158 TILE BASE 30 SCREW T3 10 25 26 27 28 28 29 30 ...

Страница 27: ...r NMV DESCRIPTION 31 11001661 79PQ5112 COVER STAND REAR BK 32 14900031 HINGE UNIT 33 11001651 79PQ5111 COVER STAND FRONT BK 34 11001671 79PQ5109 COVER CABLE BK 35 11301481 PAD HINGE 36 11001631 79PQ5110 COVER HINGE T BK 7 31 32 33 34 35 36 ...

Страница 28: ...eration 4 2 3 1 Front control panel layout 4 2 3 2 Special key operation 4 3 4 Adjustment 4 4 4 1 Measuring instruments jigs and tools 4 4 4 2 Power supply voltage 4 4 4 3 Closure of the power circuit 4 4 4 4 Bias and gain control 4 4 5 VG 819 setting values 4 5 6 Explanations of the factory mode 4 6 ...

Страница 29: ...NGUAGE ENGLISH 3 Basic operation 3 1 Front control panel layout Power Button Power Lamp EXIT Button CONTROL Button ADJUST Button SELECT Button RESET Button EXIT Button Exits the OSM controls Exits to the OSM main menu CONTROL Button Moves the highlighted area left right to select control menus Moves the highlighted area up down to select one of the controls ADJUST Button Moves the bar left right t...

Страница 30: ...ory mode 4 Press the EXIT button to close the factory mode Aging mode 1 Make the setting not to receive input signals 2 Simultaneously press the three keys of and RESET 3 Using the left and right buttons it becomes possible to changeover the screen color white red green blue 4 Using the and buttons it becomes possible to change the brightness of each color 5 To close the aging mode receive any sig...

Страница 31: ... the power circuit 1 Connect the suitable cable of the VG 819 according to the setting mode 2 Turn on the Power switch of the VG 819 3 Connect the AC power cable to the unit being adjusted 4 Turn on the Vacation switch of the unit being adjusted seesaw switch located on the right side of the unit 5 Turn on the Power switch of the unit being adjusted 6 After the completion of signal discrimination ...

Страница 32: ...NC PULSE H 3 BACK PORCH H 28 EQPfp H 0 EQPbp H 0 SERRATION H OFF EDP H OFF VDs H 0 V VBf H 0 OUTPUT MODE ANALOG NRZ RZ NRZ CV HS POS VS POS CS NEG HD NEG VD NEG RGB POS HT POS C NEG VIDEO 0 70V Set up 0 00V OUTPUT Sync 0 30V PAT SEL GRAY CHARA PATTERN Format Code Font Cell 1 82 16 16 16 16 GRAY Direction 0 L0 0 L1 17 L2 34 L3 51 L4 68 L5 85 L6 102 L7 127 L8 143 L9 159 LA 175 LB 191 LC 207 LD 223 L...

Страница 33: ...e hours running is not reset even when FACTORY PRESET is executed F W VERSION Firmware version FACTORY PRESET All data are reset to the initial values It is possible to adjust the gain values of R G B respectively It is possible to adjust the offset values of R G B respectively AUTO CONT No of auto contrast control trials conducted by the user AUTO ALL No of auto adjustment trials conducted by the...

Страница 34: ...e OSD OSM display is changed over for the OSD menu 0 OSM Setting for shipment 1 OSD Display or no display of URL Internet address 0 Not displayed for Japan 1 Displayed WWW NECMITSUBISHI COM Setting for shipment for North America and Europe version 2 Displayed WWW NEC MITSUBISHI COM Debug This menu is not used It is possible to adjust the R G B values for each color temperature ...

Страница 35: ...5 3 3 Preset timing sheet 5 3 4 Inspection of PLUG PLAY communication and OSM MONITOR INFORMATION for model name serial number 5 4 4 1 System connection 5 4 4 2 Input signal 5 4 4 3 Program 5 4 4 4 Operation 5 5 4 5 EDID data file 5 8 5 External inspection on the LCD module 5 9 5 1 Inspection condition 5 9 5 2 Standards for display conditions 5 9 5 3 The inspection standard of appearance 5 12 5 3 ...

Страница 36: ...not be appeared noise 7 Check the OSM off when push the OSM OFF switch EXIT 1 2 Frequency change 1 Change the preset timing 2 Check the picture and the time when freq change less 5 sec 1 3 Performance check 1 Input 1024 768 75Hz pattern RGB 256 GRAY SCAL PATTERN 2 Press AUTO CONTRAST switch 3 Check the color gray scal smoth and not data lost 1 4 Check power manage function Mode Horizontal Vertical...

Страница 37: ...28 322 31 469 900 720 108 54 18 70 087 449 350 2 60 37 P N 2 PC98 640 400 56Hz 21 053 24 827 848 640 64 85 59 56 424 440 400 8 25 7 N N 3 VGA 720 400 70Hz 28 322 31 47 900 720 108 54 18 70 087 449 400 2 35 12 N P 4 VGA 640 480 60Hz 25 175 31 47 800 640 96 48 16 59 992 525 480 2 33 10 N N 5 MAC 640 480 66Hz 30 24 34 97 864 640 64 96 64 66 61 525 480 3 39 3 N N 6 VESA 640 480 72Hz 31 5 37 861 832 64...

Страница 38: ...ion I F BOARD Signal cable Signal cable Printer cable Jig Signal generator DESKTOP NOTE PC Monitor Program Part No 599910541 Part No 599910612 CN7 CN6 CN5 CN4 CN3 DC 5V DDC Communication I F BOARD 4 2 Input signal Horizontal synchronization frequency Not specified Vertical synchronization frequency Not specified 4 3 Program Service tool Ver 3 14 Parameter ver 2 0 S2 Part No 599910612 ...

Страница 39: ... tool Ver 3 14 Parameter ver 2 0 S2 in a proper directory 3 Start Service2 EXE of the service tool Ver 3 14 4 When the screen as shown below appears give a check to LCD of Monitor Type and press the START button 5 When the screen as shown below appears adjust the cursor to LCD1501 and make a double click ...

Страница 40: ...t data are displayed in the columns of EDID DATA CONTENTS and Serial information If all the displayed data are FF or the like or if the serial number is different from that of the corresponding unit then EDID data writing should be carried out 8 When a screen of Item 6 is displayed by pressing the BACK button give a check to EDID_WRITE and press the OK button ...

Страница 41: ...nput OK button Enter an input in the column of Year in manufactured year A D four digits and Month in manufactured month through the keyboard and press the Input OK button 10 When the WRITE EDID button is pressed writing of the EDID data only is carried out Upon the completion of correct writing a display of EDID Monitor Write OK is presented in the column of STATUS ...

Страница 42: ...E 17 78 EA B1 45 A1 58 4F 95 26 20 1D 50 54 BF EE 00 01 01 01 01 01 01 01 01 01 01 30 01 01 01 01 01 01 C3 1E 00 20 41 00 20 30 10 60 40 13 00 30 E4 10 00 00 1E 00 00 00 FD 00 37 4B 1F 50 3C 08 00 0A 20 20 20 20 20 20 00 00 00 FC 00 4E 60 45 43 20 4C 43 44 31 35 30 31 0A 20 00 00 00 FF 70 00 32 33 30 30 30 30 31 59 58 30 0A 20 20 00 75 Note 1 address 10h Week of manufacture Month of manufacture 4 ...

Страница 43: ... defects other than 1 and 2 R G B Black dot Bright dot 4 Note 4 6 Adjacent to same color bright dot defect Distance between defects 6 5mm Each color 2 pairs Note 5 7 Approach of adjacent defects of 6 Distance of approach 15mm 0 pair Note 6 A set of 2 or more dot defects in an area of 5 5 pixels 5 in consideration 2 clusters Note 7 Approach of adjacent defects of 1 in an area of 5 5 pixels 0 pair N...

Страница 44: ...s NG Combination of bright and black dots and others Note 4 The dots for composing 2 horizontal combinations of R G shall be excluded from counting Note 5 Adjacent to same color bright dot defect Counted as NG Not counted as NG 6 5mm R R 6 5mm R R Approach of bright and black dots 6 5mm R G Approach of different colors Bright dot Black dot R G R G R G R G Combination of bright and black dots R G R...

Страница 45: ...cts 5 in an area of 5 5 pixels such a set of dot defects shall be counted as one cluster Note 8 Two or more pixels or sub pixels with more than one fault of 1 or 2 within 5x5 pixels 6 5mm R R 6 5mm R R 10mm There shall be no more than 3 clusters throughout the screen area 5 5 pixels Dot defects 5 1 cluster R G R G R G R G R G R G 5x5 pixels 5x5 pixels 5x5 pixels Count as defect Do not count as def...

Страница 46: ...nsidered as a defect b Defects which is on the Black Matrix outside of Active Area are not considered as a defect 5 3 2 Foreign material Items Criteria Linear 0 05 W 0 1 0 3 L 4 0 N 4 Foreign Material Circuar 0 2 D 0 5 N 6 NOTE D Average Diameter D a b 2 W Width L Length N Quantity Linear a 2b Circular a 2b Unit mm 5 3 3 Line defect All kinds of line defects such as vertical horizontal or cross ar...

Страница 47: ...g the back light unit 6 6 4 Abnormal screen 6 7 5 Abnormal plug and play operation 6 8 5 1 Abnormal DDC2 6 8 6 Checking the interface circuit of sync signal 6 9 6 1 Checking the control circuit of horizontal sync pulse 6 9 6 2 Checking the control circuit of vertical sync pulse 6 10 7 Checking the resolution change IC movement 6 11 8 No power on 6 12 9 Checking the operation of CPU 6 13 ...

Страница 48: ...t the time of the frequency that it over spec timing YES NG OK Proceed section 2 Nothing display on screen Check if the sync signal from Computer is output and if the video cable is connected normally Input the sync signal of computer or change the cable Proceed section 7 Checking the resolution change IC movement Does OSM display when you push EXIT 3 4 OR button NO ...

Страница 49: ...utput on the host 2 Reconnect the video cable 3 Change the video cable Check OSM menu is displayed on screen when you push the EXIT 3 4 OR key Failure point The cable is disconnected Next page Proceed section 4 Abnormal screen Check the video cable for failure Check the host for output signal with all black only Check if the LCD video signal cable is connected between the MAIN board and LCD module...

Страница 50: ...n R433 J301 cable pulled out or disconnected 1 IC401 failure 2 Printed wire broke between IC401 and IC301 pin31 3 R431 C312 or R304 failure Failure point 1 IC401 failure 2 Printed wire broke between IC401 and IC301 pin30 3 R405 or C313 failure Failure point 1 IC401 failure 2 Printed wire broke between IC401 and IC301 pin28 3 R433 C314 failure next page Failure point Check Q301and IC301 Is a PCLK b...

Страница 51: ...lure point 1 IC401 failure 2 Printed wire broke between U401 and IC301 PIN27 3 R432 or C315 failure Check the data signal output on IC301 R G B data pin OK NG Failure point 1 IC401 failure 2 Printed wire broke between IC401 IC301 line Failure point IC301 failure ...

Страница 52: ...t CN1 pin6 Check Inverter F1 open Failure point F1 failure Replace the inverter board Failure point Inverter cable disconnection OK 1 µ p failure 2 printed wire broke between µ p trace to CN1 pin6 Is 12V source voltage provided to pins 1 and 2 of CN1 in inverter module OK NG Failure point Inverter cable disconnection Check Power Board ...

Страница 53: ... 20 Is the pulse of the TTL level being output to IC301 from the data line of IC401 Proceed section 7 Checking the resolution change IC movement NG OK Failure point Printed wire broke between IC401 data line and IC301 Check the PHD sync pulse output to IC301 pin27 from IC401 pin53 at TTL level Failure point Printed wire broke between IC401 pin53 and IC301 pin53 NG OK Check the PVD sync pulse outpu...

Страница 54: ... on IC101 pin26 synchronize SCLK at TTL level NG Failure point IC101 failure Failure point 1 The host machine isn t communicating in DDC2B mode 2 The video cable may have failed or may not to have connections for DDC 3 Between IC101 pin26 and J201 pin 15 may have failed 4 Cable failure OK ...

Страница 55: ...lure point 1 No separate sync or composite sync output by host Confirm the host output the sync signal 2 Video cable may have failed 3 Printed wire broke between J201 pin 13 and IC203 pin3 4 L208 or R211 open 5 IC203 failure Procees section 7 Checking the resolution change IC movement NG OK Failure point IC401 failure Check the hovizuntal sync signal on IC401 pin141 a TTL level ...

Страница 56: ... sync output signal from the host Check the host 2 Video cable may have failed 3 Printed wire broke between J201 pin 14 and IC203 pin9 4 L209 or R213 open 5 IC202 failure OK Proceed section 7 Checking the resolution change IC movement Check the vertical sync signal on IC203 pin9 at TTL level ...

Страница 57: ...SUPPLY ON IC401 PIN 3 6 14 17 21 24 26 32 38 46 71 91 103 123 145 147 152 Is there 3 0V supply on IC401 Pin8 NG OK NG OK OK Proceed section 9 Checking the operation of CPU Is 25MHz clock output from X401 at TTL level Failure point X401 failure Proceed section 9 Checking the operation of CPU Is 25MHz clock input to IC401 pin47 at TTL level ...

Страница 58: ... Check the 12V power provided from Power Board NG OK Failure point Power Board failure Check 3 3V power from IC601 NG OK Failure point Checking the DC DC converter circuit Proceed section 9 Checking the operation of CPU ...

Страница 59: ... Checking the operation of CPU Is there 3 3V supply on IC101 pins 5 NG OK Failure point L110 open Is 12MHz clock input to IC101 pin8 9 at TTL level NG OK Failure point X101 failure Failure point IC101 failure ...

Страница 60: ...3 2 1 power input 7 3 2 2 DC to Dc circuit 7 3 2 3 panel Vcc control 7 3 3 Microprocessor control circuit 7 4 3 1 clock circuit 7 4 3 2 I2 C buses 7 4 3 3 General purpose port 7 4 3 3 1 Key scan status 7 4 3 3 2 scaler control 7 4 3 3 3 Led control 7 4 3 3 4 Data memory 7 4 4 Scaler 7 4 ...

Страница 61: ...IC402 UP IC101 NT68F632 INVERTER control signal V sync ADC SCALER IC401 SAA6713AH 12MHz X101 EEPROM IC102 24C16 25MHz OSC X401 J101 TO Key control BD H V H sync IC203 R G B DDC SDA DDC SCL R G B DATA PCLK DE H V 3 3V Switch IC302 HAT1053 IC301 LVDS XMTR J301 TO PANEL Panel Vcc LVDS SIGNAL 2 5V O P SDASCL ...

Страница 62: ... channel PWM controller to provide voltage output The output 3 3V is provide panel Vcc and 2 5V regulator input and provide the Scaler and MCU power 2 3 Panel Vcc control Panel power control used Q301 and IC301 from IC101 pin35 PANELVCC_CTL While the PANELVCC_CTL stay at High level the panel voltage is 3 3V While the PANELVCC_CTL stay at Low level the panel voltage is 0V ...

Страница 63: ...adjust IC101 pin21 is for OSD 4 adjust IC101 pin22 is for OSD 3 adjust IC101 pin23 is for OSD EXIT adjust 3 3 2 Scaler control IC101 pin15 I O for scaler interrupt signal IC101 pin14 output scaler reset signal 3 3 3 LED control IC101 pin 2 control Q103 for Green LED lit IC101 pin 3 control Q102 for RED LED lit 3 3 4 Data memory The display control data are held by the EEPROM IC102 These display co...

Страница 64: ...R CHIP 2SA1037AK T146R Q103 EP000313 79EN0583 TR CHIP 2SA1037AK T146R Q203 EP000313 79EN0583 TR CHIP 2SA1037AK T146R Q301 EN000211 79EN0576 TR CHIP NPN DTC114EUA Q401 EN000211 79EN0576 TR CHIP NPN DTC114EUA Q402 EN000211 79EN0576 TR CHIP NPN DTC114EUA Q403 EQ500411 79PQ5076 FET SMD P SI230IDS TI Q601 EN000413 79EN0578 TR CHIP 2SC2412K T146R Q602 EP000313 79EN0583 TR CHIP 2SA1037AK T146R Q603 EN000...

Страница 65: ...010 PWB ASSYS INBD JM100021 79PQ5128 INVERTER BD T301001 00 MANA AM0R31ML 79PQ5080 MAIN INSERT ASSY PWRNA AP0R31ML 79PQ5081 POWER INSERT ASSY SWNA AS0R31ML 79PQ5082 SW INSERT ASSY COILS FILTERS B901 HC011012 79EN0672 FERRITE WBRID 237555 H7S B902 HC011012 79EN0672 FERRITE WBRID 237555 H7S L101 HM011011 79EN0677 FERRITE BLM18AG121SN1 L102 HM011011 79EN0677 FERRITE BLM18AG121SN1 L103 HM011011 79EN06...

Страница 66: ...7 FERRITE BLM18AG121SN1 L413 HM011011 79EN0677 FERRITE BLM18AG121SN1 L601 HA200051 79PQ5059 L CHOKE 33UH L602 HM011191 79EN0679 FERRITE BLM18PG121SN1D L603 HM011191 79EN0679 FERRITE BLM18PG121SN1D L604 HM011191 79EN0679 FERRITE BLM18PG121SN1D L901 HA100101 79PQ5058 LINE FILT 30 5MH HFZ20H03 L932 HA200071 79PQ5060 L CHOKE 33UH 2A 49A 2003 L933 HA200071 79PQ5060 L CHOKE 33UH 2A 49A 2003 ELECTRICAL P...

Страница 67: ...13400991 79PQ5124 POLYLON T SAFL 15900055 79PQ2203 SALES OFFICE LIST SESH 15800201 79PQ5107 SETUP SHEET FOR LCD1501 RESISTORS L205 FM010000 79EN0175 R SMD 1 10W T 5 0 L207 FM010000 79EN0175 R SMD 1 10W T 5 0 R106 FM010101 79EN0615 R CHIP 1 10W T 5 100 R107 FM010101 79EN0615 R CHIP 1 10W T 5 100 R108 FM010101 79EN0615 R CHIP 1 10W T 5 100 R111 FP222223 79PQ5147 R NETWORK 1 10W T 5 2 2K R114 FP22222...

Страница 68: ... FM010470 79EN0623 R CHIP 1 10W T 5 47 R406 FM100510 79PQ5044 CHIP 1 8W T 5 51H R408 FM100000 79PQ1890 CHIP 1 8W T 5 0 H R409 FP224703 79PQ5148 R NETWORK 1 10W T 5 47H R410 FM100390 79EN0231 R SMD 1 8W T 5 39 R411 FM100390 79EN0231 R SMD 1 8W T 5 39 R412 FM100270 79EN0228 R SMD 1 8W T 5 27 R413 FP224703 79PQ5148 R NETWORK 1 10W T 5 47H R414 FM100000 79PQ1890 CHIP 1 8W T 5 0 H R415 FM100123 79EN022...

Страница 69: ...R628 FN012201 79EN0160 R SMD 1 10W T 1 2 2K R901 FK004091 79EN0614 R METAL 1 2W T 5 470K R902 FK005141 79PQ5141 R M GLAZE 1 4W 1 0M J T R903 FK005141 79PQ5141 R M GLAZE 1 4W 1 0M J T R905 FK005191 79PQ5142 R M GLAZE 1 4W 2 7M J T R906 FK005191 79PQ5142 R M GLAZE 1 4W 2 7M J T R907 FB279091 79PQ5035 METAL 1 4W M T 1 9 09K R908 FA270689 79PQ5030 CARBON 1 4W M T 5 6 8H R921 FA360471 79PQ5032 CARBON 1...

Страница 70: ...29 79PQ5055 C SMD ELE85 16V 100U M C310 GM410353 79EN0503 C SMD X7R T 0 01U 50V K C311 GN310629 79PQ5054 C SMD ELE85 16V 10U M C312 GM422052 79EN0509 C SMD NPO T 22P 50V J C313 GM41005D 79EN0659 C CERA NPO T 10P 50V D C314 GM41005D 79EN0659 C CERA NPO T 10P 50V D C315 GM41005D 79EN0659 C CERA NPO T 10P 50V D C401 GN347629 79PQ5056 C SMD ELE85 16V 47U M C402 GM410423 79EN0504 C SMD X7R T 0 1U 16V K...

Страница 71: ...23 79EN0504 C SMD X7R T 0 1U 16V K C444 GM410423 79EN0504 C SMD X7R T 0 1U 16V K C445 GM410423 79EN0504 C SMD X7R T 0 1U 16V K C446 GM410423 79EN0504 C SMD X7R T 0 1U 16V K C447 GM410423 79EN0504 C SMD X7R T 0 1U 16V K C448 GM415052 79PQ5151 C CERA NPO T 15P 50V J C449 GM410423 79EN0504 C SMD X7R T 0 1U 16V K C450 GM410423 79EN0504 C SMD X7R T 0 1U 16V K C451 GM410423 79EN0504 C SMD X7R T 0 1U 16V...

Страница 72: ...IC Y5P B T0 01U 1KV C912 GB210458 79PQ0228 CERAMIC Y5V T 0 1U 50V Z C921 GAM68737 79EN0644 C ELE 105C T 680U 25V M C922 GAM68737 79EN0644 C ELE 105C T 680U 25V M C923 GF233252 79PQ5050 MEF CAP BOX 0 0033U 50V J C924 GF210452 79PQ0752 MEF CAP BOX 0 1U 50V J C932 GAM22737 79EN0642 C ELE 105C T 220U 25V M C933 GAM22737 79EN0642 C ELE 105C T 220U 25V M C935 GB210458 79PQ0228 CERAMIC Y5V T 0 1U 50V Z C...

Страница 73: ...5V REG IC402 UP IC101 NT68F632 INVERTER control signal V sync ADC SCALER IC401 SAA6713AH 12MHz X101 EEPROM IC102 24C16 SDASCL 25MHz OSC X401 J101 TO Key control BD H V H sync IC203 R G B DDC SDA DDC SCL R G B DATA PCLK DE H V 3 3V Switch IC302 HAT1053 IC301 LVDS XMTR J301 TO PANEL Panel Vcc LVDS SIGNAL 2 5V O P ...

Страница 74: ...LM11P121SGT 1 2 CP301 22P 1 3 5 7 8 6 4 2 CP303 22P 1 3 5 7 8 6 4 2 C302 104P 16V 1 2 IC301 THC63LVDM83A 51 52 54 55 56 2 3 4 6 7 8 10 11 12 14 15 16 18 19 20 22 23 24 25 27 28 30 50 37 38 39 40 41 42 45 46 47 48 33 34 35 36 43 44 49 32 1 9 17 26 5 13 31 21 29 53 TXIN0 TXIN1 TXIN2 TXIN3 TXIN4 TXIN5 TXIN6 TXIN7 TXIN8 TXIN9 TXIN10 TXIN11 TXIN12 TXIN13 TXIN14 TXIN15 TXIN16 TXIN17 TXIN18 TXIN19 TXIN20...

Страница 75: ...00 C124 103P 1 2 R108 100 C115 103P 1 2 R123 2K2 1 2 R118 4K7 1 8W 1 2 R126 2K2 1 2 L109 BLM18AG121SN1 1 2 R117 4K7 1 8W 1 2 R107 100 C102 104P 16V 1 2 R125 0 IC102 M24C16 WMN6 24LC16B SO8 1 2 3 4 5 6 7 8 PRE E1 E2 VSS SDA SCL WC VCC L111 BLM18AG121SN1 1 2 C123 104P 16V 1 2 NT68F632L IC101 NT68F632 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 3...

Страница 76: ...1 R611 10K 1 2 MTG1 MTG ID1 2 OD2 1 IC605 BD4743G 1 2 3 4 5 NC SUB GND Vout Vin J602 53015 0210 1 2 1 2 C606 102P 25V 1 2 R607 10 1 8W 1 2 MTG2 MTG ID1 2 OD2 1 C616 103P 1 2 C603 223P 16V 1 2 MTG3 MTG ID1 2 OD2 1 C619 103P 1 2 MTG4 MTG ID1 2 OD2 1 C614 470U 25V 1 2 C609 10U 16V 1 2 L603 18PG121SN1D 1 2 R623 4K7 1 2 D603 UDZ5 6B 1 2 C600 1U 10V 1 2 C621 103P 1 2 C622 103P 1 2 R618 4K7 1 2 L604 18PG...

Страница 77: ...EF_R RX1N TVCC RX0P RX0N TGND RXCN RXCP TVCC TPLLGND TPLLVCC SDA SCL HSDA HSCL CGND CVCC CLK IOGND IOVCC INTn RSTn PCLK CSG0 CSG1 CSG2 A0 IOGND IOVCC PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 IOGND IOVCC PB0 PB1 CGND CVCC PB2 PB3 PB4 PB5 PB6 PB7 IOGND IOVCC PC0 PF5 PF4 PF3 PF1 PF0 IOVCC IOGND PE7 PE6 PE5 PE4 PE3 PE2 PE1 PE0 CVCC CGND IOVCC IOGND PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0 CVCC CGND IOVCC IOGND PC7 PC6 ...

Страница 78: ...NC 1 2 R213 100 1 8W 1 2 D209 UDZS5 6B 1 2 L201 39 1 8W 1 2 L202 39 1 8W 1 2 C208 47P 1 2 D207 UDZS5 6B 1 2 C207 47P 1 2 R202 33 1 8W 1 2 R212 100 1 2 D202 DAN217 T146 1 3 2 R215 2 2K 1 8W 1 2 L203 39 1 8W 1 2 IC204 MIC5205 3 3BM5 1 2 3 4 5 Vin GND EN Nr Vout D203 DAN217 T146 1 3 2 R211 100 1 8W 1 2 D211 CRS01 1 2 C214 104P 1 2 R216 2 2K 1 8W 1 2 C201 NC 1 2 C203 NC 1 2 D205 UDZ5 6B 1 2 D210 HZK4A...

Страница 79: ... 105 C L932 33UH L933 33UH C924 0 1U MEB C937 0 1U 50V Y5V IC921 KIA431A AT 6 1 8 C933 220U 25V 105 C C901 N C C936 0 1U Y5V R901 470K 1 2W C935 0 1U Y5V D901 SF13 R906 2 7M 1 2W B902 BEAD B901 BEAD L901 30 mH HFZ02H03 30 mH LSNP02F002 R908 6 8 1 4W R905 2 7M 1 2W D921 FCQ10A06 1 3 2 R925 4 87K 1 4W 1 R926 33K 1 4W 1 C908 0 1U MEB 12V 12V GND GND INV_ON OFF BRIGHT TOUCH PANEL J933 1 2 3 4 5 6 7 8 ...

Страница 80: ... R15 R 10K 1 2 R28 R 200K BURST 1 2 C10 C 105Z OLSD 1 2 R29 R 357 1 2 C11 C NC 3 2 1 Q10 Q 2N7002 OLSD N42 N43 N44 N47 N48 N55 N56 N57 N58 N59 N63 N32 1 2 3 Q14 Q 3906 SOT 23 1 2 R31 R NC 0603 N34 1 2 R32 R 7 5K 0805 N1 N46 N46 1 2 R30 R 510 5VDC A 1 2 R33 R 2M 1 2 R34 R 3M 1 2 C12 C 474K 1 2 R35 R NC A N45 ON OFF N39 N28 1 2 R36 R 221K 1 2 R37 R 100K 1 2 C13 C 103K 1 2 3 Q3 Q 3904 SOT 23 1 2 R38 ...

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