NEC Multi Sync EA221WM Скачать руководство пользователя страница 14 | Manualshive

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2-5

2.4 Image overlap, focus or flicker

Recommended frequency EA221WM: 1680×1050@60Hz

OK

NG

NG

End

Factory Reset is executed.

NG

Is the input signal proper?

Readjust the auto adjusts or clock

phase in the OSD user menu.

Replace MAIN PWB.

Image overlap, focus or flicker, color defect

NG

OK

NG

OK

Replace the LCD panel.

Change the resolution to

recommended frequency.

OK

OK

OK

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Содержание Multi Sync EA221WM

Страница 1: ...LS EA221WM BK A EA221WM B EA221WM BK B EA221WM J EA221WM BK J 3rd Edition NEC DISPLAY SOLUTIONS LTD 201006 08HR4LAN 08HR3LBN 08HR4LBN 08HR3LJN 08HR4LJN 08HR7LBW 08HR8LBW 08HR2GAN 08HR1GBN 08HR2GBN 08HRTLAN PART NO 599910918 SERVICE MANUAL ...

Страница 2: ...es with substrates on which lead free components are mounted For the details refer to Caution for Lead Free Soldering Work given in the next page This model has four types of LCD panel The panel type manufactured by LG LM220WE1 TLD1 The panel type manufactured by LG LM220WE1 TLE3 The panel type manufactured by SEC LTM220M1 L01 The panel type manufactured by LG LM220WE1 TLP1 Prior to servicing the ...

Страница 3: ...ed in the service manual for replacement A risk of fire or electric shock can result 7 Confirm the connection of the power supply connector earth cable in reassembling Soldering or Screw fixation A risk of fire or electric shock can result 8 Use the specified binding bands clampers tubes and barriers all of which are necessary for insulation protection in their original positions in reassembling A...

Страница 4: ...NP303 Senju metal ESC F3 M705E This mark shows the diameter of the solder wire 4 When working with lead free solder always use a temperature adjustable soldering iron Moreover the power consumption of the soldering iron must use from 25W to 75W Solder Iron tip temperature and contact time Category of Parts Lead free solder Eutectic solder SMD Chip The Parts of Chip type 300 320 C 1 3sec 260 280 C ...

Страница 5: ...stment of monitor Inspection of monitor SWAP or Repair and Return Was MAIN PWB replacement Was LCD panel replacement Was Other parts replacement 1 SERIAL NUMBER INFORMATION 2 TROUBLE SHOOTING 3 DISASSEMBLY 4 ADJUSTMENT PROCEDURES 5 INSPECTION PROCEDURES 6 Writing of EDID OSD Monitor Information data Electric parts Yes Yes Yes 1 2 SWAP Repair and Return Appearance parts or No NPF ...

Страница 6: ...Return SWAP 1 Was MAIN PWB replacement Shipment setting Factory preset Repair completion Yes No 7 SHIPMENT SETTING OSD User menu 2 Shipment setting Factory preset Repair completion 7 SHIPMENT SETTING OSD User menu ...

Страница 7: ...MATION 1 1 2 TROUBLE SHOOTING 2 1 3 DISASSEMBLY 3 1 4 ADJUSTMENT PROCEDURES 4 1 5 INSPECTION PROCEDURES 5 1 6 Writing of EDID OSD Monitor Information data 6 1 7 SHIPMENT SETTING 7 1 8 PACKING SPECIFICATION 8 1 9 REVISION HISTORY 9 1 ...

Страница 8: ...d Month 4 8 Running number 10 Control Code MODEL SERIAL NO g g g g g g g g g g 1 2 3 4 5 6 7 8 9 10 January to September 1 to 9 October X November Y December Z This running number does not reset at each month For A ver U S Asia Australia A For B ver Europe Asia Australia B For J ver Japan J TPV China factory N Czech Tatung W Discriminate by cabinet color Last digit Panel code ...

Страница 9: ... 3 Black N TPV China Factory A USA LM220WE1 TLE3 Yes Yes EA221WM L 2 White N TPV China Factory W Czech Tatung B Europe LM220WE1 TLE3 Yes Yes EA221WM BK L 3 Black N TPV China Factory W Czech Tatung B Europe LM220WE1 TLE3 Yes Yes EA221WM L 2 White N TPV China Factory J Japan LM220WE1 TLE3 Yes Yes EA221WM BK L 3 Black N TPV China Factory J Japan LM220WE1 TLE3 Yes Yes EA221WM BK S 7 Black N TPV China ...

Страница 10: ...ipment is confirmed The power on off switch is turned on Loosening of the power supply connector is checked Check connections of POWER PWB or MAIN PWB No Power OK NG OK Replace AC power cable or AC inlet Replace the POWER PWB OK NG The cable connector is inserted NG End Replace the MAIN PWB ...

Страница 11: ...ch is turned on OK NG Replace the PC Check the PC Check the signal cable No Video LED indicator orange OK NG Replace signal cable Check connections of POWER PWB or MAIN PWB OK NG The cable connector is inserted End OK NG Replace the POWER PWB Replace the MAIN PWB OK ...

Страница 12: ...n the state of Screen savers or power save mode No Display LED indicator green NO Check the position of contrast and brightness volume YES 1 3 Screen savers or power save mode is made clear Adjust the contrast and brightness or Factory Reset Does the backlight light NO YES NG YES NO Check connections of INVERTER Cable The cable connector is inserted 2 NG OK ...

Страница 13: ... or POWER PWB or FFC Cable NG OK Replace the MAIN PWB OK NG Replace the POWER PWB OK NG Replace the LCD panel 1 3 Replace the LCD panel 2 Replace the POWER PWB NG OK OK The cable connector is inserted End Replace the FFC Cable OK NG OK ...

Страница 14: ...z OK NG NG End Factory Reset is executed NG Is the input signal proper Readjust the auto adjusts or clock phase in the OSD user menu Replace MAIN PWB Image overlap focus or flicker color defect NG OK NG OK Replace the LCD panel Change the resolution to recommended frequency OK OK OK ...

Страница 15: ...2 6 2 5 Brightness defect OK NG End Factory Reset is executed Replace the MAIN PWB NG OK Brightness of the OSD menu is adjusted Replace the LCD panel Brightness defect NG OK OK ...

Страница 16: ... balance defect OK NG End Factory Reset is executed Replace the LCD panel NG OK R G B of the OSD menu is adjusted Replace the MAIN PWB Color defect Missing color R G B White balance defect NG OK OK Replace signal cable NG Check the signal cable OK ...

Страница 17: ...ct Block defect Line defect Block defect 2 8 Partially color Brightness uneven Line defect Block defect OK End Replace the MAIN PWB Replace the LCD panel NG OK Partially color Brightness uneven End Replace the LCD panel ...

Страница 18: ... 9 Dot defect Bright dot Dark dot 1 The judgment of the dot defect is confirmed from the service manual Dot defect Bright dot Dark dot YES End Replace the LCD panel Is the dot defect in the standard 1 NO OK ...

Страница 19: ...Check the position of sound volume or mute function Replace the SPEAKER OK NG Audible defect No sound or Noise etc NG OK OK Check connections of AUDIO PWB or MAIN PWB or SPEAKER Replace the AUDIO PWB The cable connector is inserted OK NG Replace the MAIN PWB ...

Страница 20: ...2 11 2 11 USB doesn t function OK End Replace MAIN PWB USB doesn t function NG OK Check connections of USB PWB or MAIN PWB The cable connector is inserted Replace the USB PWB NG OK ...

Страница 21: ... disassemble the set turn off power and pull out the power plug g Use the proper screwdriver If oversize or undersize screwdriver is used screws may be damaged g Assembly is reversed process of disassembly 3 1 Remove the stand 1 2 3 ...

Страница 22: ...3 2 3 2 Remove the rear cover and bezel SYMBOL 12 Fix the cable on the position in the above photo with BLACK TAPE 4 5 12 50mm ...

Страница 23: ...3 3 SYMBOL 8 Fix the cable on the position in the above photo with YELLOW TAPE 9 10 11 7 6 8 113mm 6mm CN001 ...

Страница 24: ...3 4 3 3 Remove the shield 13 13 14 15 CN602 R L ...

Страница 25: ...3 5 Shield_USB 16 Shield for Back Light 16 14 CN709 14 14 ...

Страница 26: ...3 6 3 4 Panel Put SYMBOL 18 G ALUMINUM TAPE on the position in the photo 80mm 50mm 18 80mm 50mm 18 50mm 80mm 18 80mm 90mm 90mm 80mm ...

Страница 27: ...3 7 20 CN801 CN802 CN803 CN804 19 ...

Страница 28: ...01 Main B LCD Panel FFC 22 CN402 Main B CN001 Key B 23 CN402 Main B CN001 Key B 24 CN604 Power B CN602 Audio B CN902 Power B CN701 Main B and CN709 USB B CN601 Power B SPEAKER L R 21 22 24 23 CN301 CN701 CN402 CN902 CN601 CN604 17 ...

Страница 29: ...3 9 CN701 CN402 CN301 25 25 14 ...

Страница 30: ...3 10 26 26 CN601 CN604 CN902 14 ...

Страница 31: ...3 11 SYMBOL 12 Fix the cable on the position in the above photo with BLACK TAPE 27 50mm 12 ...

Страница 32: ... completion of signal discrimination the LED is turned green 4 4 ADC Bias and Gain Adjust 1 Enter the input signal of 1680 1050 60Hz in Full white pattern 2 In the factory mode according to 4 8 1 Factory mode 3 AUTO highlight indication a push LEFT or RIGHT button 4 The adjustment of bias and gain is performed when push the MENU button 5 When adjustments have been finished If you turn off power of...

Страница 33: ... 1099 1050 6 40 3 N P CVT 1680x1050 214 75 93 86 2288 1680 176 304 128 84 94 1105 1050 6 46 3 N P 4 7 Basic Operation Key Function Menu Enter OSD Exit OSD Exit sub menu Direction Key Control Move the cursor and select control items Adjust Change the value of each function Select Operating of auto adjust and reset Input signal select Reset DV Mode Reset the selected item Open reset warning before r...

Страница 34: ...r in the factory menu it will exit the factory menu 4 8 2 Enter Aging Mode 1 In the factory mode according to 4 8 1 Factory mode 2 Move the cursor to BURN IN using the LEFT or RIGHT button and highlight the ON OFF using the ENTER button Then set it to ON using the LEFT or RIGHT button 3 When the signal cable is pulled out the Burn in pattern is started When the aging mode is to be ended insert the...

Страница 35: ...timers shall be counted up every 5 minutes and count up to 99999H55M after that all timers keep 99999H55M Do not reset to 00000H00M after 99999H55M F W ID Firmware type number F W Ver Firmware version Panel Type display use panel name Factory Preset This function is initializing of below value Factory Preset value of Advanced Menu Hours running Reset table ON Hours running Reset table OFF Auto Adj...

Страница 36: ... count Auto adjust proceed counter Bright MAX MAX 100 MIN Bright MIN INIT 100 Bright MIN MAX Bright MAX MIN 30 INIT 100 Keep MAX MIN condition PWM0 Freq PWM0 Frequency calculate value PWM0 V Freq x This value 10 MAX 40 MIN 30 INIT 35 PWM3 Freq PWM3 Frequency calculate value PWM3 Period direct set to 178 for freq keep in 40 KHz MAX 255 MIN 0 INIT 178 ECO MODE This function is adjust ECO mode settin...

Страница 37: ... initial setting reset value FULL expansion value return to FULL when proceed reset function ASPECT expansion value return to ASPECT when proceed reset function INIT FULL Burn in mode ON enter burn in mode when power on with no signal condition OFF disable INIT OFF Burn in mode This function is aging for manufacture This mode needs keep by AC DC power off on condition or signal change This mode ne...

Страница 38: ...ore detail CS SAMPLE SOG Sync detect position of sync on green Refer scaler specification sheet for more detail Register Address Address select for scalar Register Value Value select for scalar Color temperature adjust To adjustment and show current in user to color value of R G B gain and offset ...

Страница 39: ...s pushed again e Check that the input signal is changed when the button of signal change is pressed 5 2 Check for the received recommended frequency Check that the recommended frequency signal is received and displayed successfully Check that the display is shown in 5 minutes after the received signal is changed 5 3 Check the performance 1 Receive recommended frequency the color bars pattern and t...

Страница 40: ...splay pattern Pure R G B Black and White Inspection area active area Defect Modes Bright dot R G or B 1dot 2 Max BDF 95 Adjacent 2dots 0 Max Adjacent 3dots 0 Max Total amount of Bright dots 2 Max Bright dot density Within Φ15mm Dark dot R G or B 1dot 5 Max Adjacent 2dots 2 Max Adjacent 3dots 0 Max Total amount of Bright dots 8 Max Bright dot density Within Φ15mm Total amount of Dot Defect Total am...

Страница 41: ...ve Area are not considered as a defect Foreign Material Items Criteria Linear 0 05 W 0 1 0 3 L 2 5 N 3 Foreign Material Circular 0 2 D 0 4 N 3 W Width L Length D Average diameter a b 2 Note a Average Diameter b Linear a 2b Circular a 2b Line Defect All kinds of line defects such as vertical horizontal or cross are not allowed Bezel Appearance Scratches minor bents stains particles on the Bezel fra...

Страница 42: ...ch When the unit is lit a light line is seen across a darker background line does not vary in size Polarizer dent When the unit is lit a light light white spots appear against a darker background and do not vary in size Bright dark dot A sub pixel R G B dot stuck off on Mechanical Inspection Chassis Gap max 0 7mm Silicone Gasket Glue silicone material shall not be exposed beyond the metal frame ed...

Страница 43: ... 0 8 N 3 Maximum allowable Number of defects N 5 N 5 D diameter W width L length N count 1 Translucent edge is ignored in measuring the diameter of spot 5 8 Electrical Inspection Defect Type Accept Reject Bright dot Fig 1 Random Two Adjacent Three Adjacent N 2 N 1 N 0 N 2 N 1 N 0 Dark dot Fig 2 Random Two Adjacent Three Adjacent N 5 N 1 N 0 N 5 N 1 N 0 Maximum allowable number of dot defect N 5 N ...

Страница 44: ...htness 18 64 Gray Blue Brightness 28 64 Gray Brightness 28 64 Gray All bright dot defect must be judged at black pattern Judge the bright dot compare to each criteria of color s brightness Dot Detect Check Size 1st Dot defect count Check each brightness h it i 2nd Over 0 5 Below 0 5 Red under 18 64 Green under 18 64 Blue under 28 64 Red under 18 64 Green under 18 64 Blue under 28 64 Low Bright Dot...

Страница 45: ... 2 Dark dot defect description two adjacent Fig 3 Minimum distance between dot defects dark dot to dark dot bright dot to bright dot bright dot to bright dot Good N G 5 mm Good 4 9mm N G 15 mm Good 14 9 mm N G ...

Страница 46: ...angle Defect Modes Bright dot R G or B 1dot 2 Max BDF 95 Adjacent 2dots 0 Max Adjacent 3dots 0 Max Total amount of Bright dots 2 Max Bright dot density Within Φ15mm Small bright dot which can be seen on 64 gray pattern is to be counted as one small bright dot defect MaxN 2 within 15mm 15mm Total Max N 8 SIZE OF small bright dot 1 29 R G B 1 2 Dark dot R G or B 1dot 5 Max Adjacent 2dots 2 Max Adjac...

Страница 47: ...e Area are not considered as a defect Foreign Material Items Criteria Linear 0 05 W 0 1 0 3 L 2 5 N 3 Foreign Material Circular 0 2 D 0 4 N 3 W Width L Length D Average diameter a b 2 Note c Average Diameter d Linear a 2b Circular a 2b Line Defect All kinds of line defects such as vertical horizontal or cross are not allowed Bezel Appearance Scratches minor bents stains particles on the Bezel fram...

Страница 48: ...r Information data 6 1 Writing of EDID data 6 1 1 System Connection This system should be connected as shown below Modify the connector end by removing the five 5 analog pins Fig 3 DVI to D SUB Signal Cable Fig 4 ISP COMMUNICATION I F ...

Страница 49: ...up the 4 8 1 Factory mode procedure enter into Factory Mode and then setting EDID WP for OFF 6 1 4 1 EDID Data Inspection and Writing to the D SUB Connector Analog 1 Connect the EDID data writing unit with jigs etc Refer to the D SUB connector connection figure 2 Select the analog part of EDID and Start the service tool with fileWinDDC exe 3 When the screen as shown below appears click the WriteED...

Страница 50: ...t of EDID is just finished 6 1 4 2 EDID Data Inspection and Writing to the DVI Connector Digital 1 Connect the EDID data writing unit with jigs etc Refer to the DVI connector connection figure 2 Select the digital part of EDID and Start the service tool with file DDCNMV EXE 3 When the screen as shown below appears enter the 1 and press the Enter button ...

Страница 51: ...6 4 4 When the screen as shown below appears enter the Serial Number what you want and press Enter again 5 When the screen as shown below appears quit the program and the digital part is finished ...

Страница 52: ...40 18 B0 40 36 40 DA 28 11 00 00 1C 00 00 00 FD 00 38 4B 1F 50 53 11 00 0A 20 20 20 20 20 20 00 00 00 FC 00 45 60 41 32 32 31 57 4D 65 0A 20 20 20 20 00 00 00 FF 70 00 Note3 01 Note4 80 02 01 04 00 01 1D 00 72 51 D0 1E 20 6E 28 55 00 90 DA 28 11 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E A0 96 00 DA 28 11 00 00 18 8C 0A D0 90 20 40 31 20 B0 0C 40 55 00 DA 28 11 00 00 18 01 1D 00 BC 52 D0 C0 1E 20 B8 2...

Страница 53: ...ted as shown below 6 2 2 Input Signal VESA 1680 1050 60Hz All White 6 2 3 Program TOOL_Monitor_Information_2 is copied onto an arbitrary folder 1 PORT95NT EXE 2 NECWB_6 1 11 16 exe OS Windows XP 6 2 4 Operation Steps 1 At first your PC must install PORT95NT exe 2 Then run the file of NECWB_6 1 11 16 exe ...

Страница 54: ... Hot Key Off f S N Setting S N Length 10 S N Start 1 g Resolution Off h Model Name EA221WM i Select URL NECDISPLAYSOLUTIONS COM j Input the serial number of device than a keyboard k Click the Start button if PASS appears the recording was successful l The items mentioned above will be locked 4 Disconnect the power cord and after 10sec In order to refresh of memory Display MONITOR INFORMATION of th...

Страница 55: ...nds on video mode V Position Depends on video mode H size Depends on video mode FINE 0 Selection of color setting User color RED 100 GREEN 100 BLUE 100 Volume 50 Mute OFF Audio Lock out OFF Expansion Depends on destination setting OFF TIMER OFF Input Resolution 1360 x 768 1680 x 1050 DDC CI ON Signal Information ON KEY Lock out OFF Language Depends on destination setting OSD Left Right Center of s...

Страница 56: ... POWER COAD 29 USB Cable 30 AUDIO Cable 33 SETUP MANUAL 34 PE BAG FOR MANUAL B and J Version 35 CD ROM EA221WM 36 PROTECT YOUR INVESTIMENT Only J Version 37 WARRANTY CARD 38 PC RECYCLE CARD 39 EPS 40 EPE BAG 41 EPS 42 HANDLE1 43 HANDLE2 44 CARTON 1 Cable Cover ...

Страница 57: ...9 1 9 REVISION HISTORY REVISION REVISION New Issue 1st Edition 2008 11 Add new panel LTM220M1 L01 2nd Edition 2009 10 Add new panel LM220WE1 TLP1 3rd Edition 2010 06 ...

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