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5. Wer RST OMP WEE RST CHIPR 0 OHM 5 1 4W RST 0 OHM 5 1 4W RST CHIPR 10 OHM 5 1 4W NENNEN RST CHIPR 100 OHM 5 1 4W RST CHIPR 100 OHM 5 1 4W 6 RST CHIPR 100 OHM 5 1 4W RST 100 OHM 5 1 4W iI RST CHIPR 100 OHM 5 1 4W 49 18 5 LCD Color Monitor HP LE1851w Ger R855 061G1206150 6857 RST CHIPR 15 OHM 5 1 4W RST CHIPR 15 OHM 5 1 4W RST CHIPR 220 OHM 5 1 4W RST 300KOHM 5 1 4W RST 300KOHM 5 1 4W RST CHIPR 300KOHM 5 1 4W i RST CHIPR 5 1 OHM 5 1 4W RST CHIPR 680KOHM 5 1 4W RST 680 5 1 4W RST 680 5 1 4W 0603 0 1UF 10 25V X7R CAP 0603 0 1UF 10 25V X7R D CAP 0603 0 1UF 10 25V X7R i CAP 0603 0 1UF 10 25V X7R esas saves ossaosazzs oescosos1os CAP 0805 0 1UF 10 50 X7R CAP 0805 0 1UF 10 50V X7R CAP 0805 0 1UF 10 50V X7R 0805 0 1UF 10 X7R CAP 0805 0 1UF 10 50V X7R iI oescosos105 I Gum T carene osos uek car OO wssensrrsiomer
6. RST CHIPR 10K OHM 5 1 16W i C ur ocu Wer RST OMP mmewe RST CHIPR 2 2KOHM 5 1 16W F RST CHIPR 2 2 5 1 16W mei uim RSTCHPSERYE S mus ems mum ems RST OHPRsoKOHMe Se RST CHIPR 470 OHM 5 1 16W RST CHIPR 4 7KOHM 5 1 16 i RST CHIPR 4 7KOHM 5 1 16 RST CHIPR 75 OHM 5 1 16W 46 18 5 LCD Color Monitor HP LE1851w Panis asrnane R118 061G0402750 6857 RSTCHIPR75 OHM 5 1 16 RST CHIPR 0 OHM 5 1 10W RST CHIP 330 OHM 1 8W 5 i 221 2 O 371 O 371 O 1 NR 1 oneone Lens O 1 1 L Gi cot car on oono 371 O canone oaov O uses
7. G RLZ5 6B FB102 VGA R R114 C107 lt DSUB_G 5 100R 1 16W 5 0 047uF R115 C108 75R 1 16W 5 5pF 50V R116 C109 DSUB G 5 100R 1 16W 5 0 047uF HL JL FB103 GND POWER DGND R117 C110 DSUB 5 100R 1 16W 5 6 0 047uF R118 ci 75R 1 16W 5 5pF 50V R119 C112 gt 5 100R 1 16W 5 0 047uF 1 04 GNDVDD 7 JESD 7 DSUB_5V CMVCC 1 02 1 03 113 Close 45 0101 2 099 045 ESD VCC VCC3 3 VCC3 3 5 7 VGA R 1 01 1 04 GNDVDD 1 02 1 03 R121 10K 1 16W 5 C115 0 1uF 16V _ 120 10K 1 16W 5 VOR PLUG DET_CABLE 5 Close To U102 PE 5 TPV Top Victory Electronics Ltd OEM HP L1908w LE1851w EIN 02 Input PCB NAME 715G3083 1E KE lt gt Wednesday February 18 2009 4 of 20 18 5 LCD Color Monitor LE1851w AVDD VDDP U401 TSUMTPFR LF 51 Q T 13 Q 4 DSUB_R RINOP a 4 DSUB R RINOM 2 4 DSUB G 3 GINOP 4 DSUB G GINOM 4 DSUB SOG SOGINO 4 DSUB_B BINOP 4 DSUB BINOM 4 DSUB_H HSYNCO 4 DSUB V VSYNCO 4 DDC1 SDA DDCA SDA RS232 TX 4 DDC1SCL gt DDCA SCL rs232 RX AVDDO R401 390 OHM 1 16W 15 VCC3 3 C405 0 1uF 16V 14 C406 0 22uF 16V R406 21 SDO 10K 1 16W 596 SCZ ENERO el 9 T PM25LV010A 8408 1008 1 16W 5 28 GPIO P27 PWMI 4 7 CMVCC 54 RST
8. DDC WP on BACKLIGHT CMVCC VCC3 3 DSUB 5V CMVCC ESD VCC 05 Power BKLT VBRI VCTRL DSUB_R DSUB_R DSUB_G DSUB_G DSUB_SOG DSUB_B DSUB_B DSUB_H DSUB_V DDC1 SDA DDC1 SCL DET CABLE DDC WP on BACKLIGHT BKLT VBRI VCTRL 03 Scalar LVDS OUTPUT 0 1 4 9 0 9 PPWR_ON VCC1 8 VCC3 3 CMVCC CMVCC 0 1 QUK PA 4 9 PBIO 9 PB O 9 PPWR_ON 04 Output TPV Top Victory Electronics Co Ltd OEM MODEL HP L1908w LE1851w PCB NAME 715G3083 1E BE Sheet 3 of 7 A Key Component G3083 1E X X 2 090210 01 COVER amp REVISE HISTORY amp TOP Tuesday February 10 2009 19 18 5 LCD Color Monitor LE1851w 5 DDC1SCL 5 DDC1 SDA H Sync AOROS 1 10W 5 R10 1K 1 16W 5 AIK ew 5 S DSUB V 5 FB101 R104 C102 VGA B ESD_VCC R105 R106 101 C103 BEAD POSUB Bt 2K2 1 16W 5 2K2 1 16W 5 100R 1 16W 5 0 047uF 2pF 2 R107 C104 75R 1 16W 5 6 5pF 50V R108 2 R109 R110 C105 10K 1 16W 5 gt lt 10K 1 16W 5 CN101 DSUB_B 5 100R 1 16W 5 0 047uF R111 100R 1 16W 5 DDC1 SCL DSUB_SCL VGA PLUG DSUB 5V DSUB 9 R112 C106 JERE r gt 5 R113 VGA_B ZD101 470R 1 16W 5 1000pF 100R 1 16W 5 DDC1 SDA DSUB_SDA
9. 1 No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the power section Measure U104 PIN 2 3 3V Measure CN101 or U104 X401 oscillate waveforms are NG OK Replace X401 Replace 0401 normal 32 LE1851w 18 5 LCD Color Monitor HP LE1851w No picture LED is orange No picture Measure U104 3 3V OK Replace U104 X401 oscillate waveforms are normal NG OK Replace X401 Check if the sync signal from computer is output and video cable is connected normally Input the sync signal of computer or OK change the cable Replace U401 33 18 5 LCD Color Monitor HP LE1851w 9 2 2 Power Board 1 No Power Check AC line volt 110V or 220V OK Check AC line Check the voltage of C907 NG Check F901 bridge rectified circuit O K Check start voltage for the pin8of IC901 NG OK Check R910 R912 R914 1C901 Check the auxiliary voltage is between 10V 16V Check 901 0906 0905 20902 70922 20921 905 34 18 5 LCD Color Monitor HP LE1851w 2 W LED No Backlight Check Q805 12V Check Q805 OK Check ON OFF signal Check Interface board OK Check 801 2 5 2 NG Change D817 R827 Check the pin1 of C801 have saw tooth wave OK NG Change 801 OK Check 2802 has the output of square wave at short time CheckC802 C824 R839 R850
10. O cron car emer uses cto aoras usus car moc I ew emos 31 0 oscowoseswms LG oscowoseswms emswwsssums sro B 1 47 18 5 LCD Color Monitor HP LE1851w FB103 0716 59 190 B 19 L mw 7 smon wows yes owe mur wm wear ae Lem ense ewessm 0 1 emer 2 croeroerviesoTaseyRow erem 2 eremum RST CHIPR 0 OHM 5 1 10W RST CHIP 1 0 KOHM 1 1 10W RST CHIP 1 0 KOHM 1 1 10W RST CHIP 1 0 KOHM 1 1 10W i RST CHIP 1 0 KOHM 1 1 10W RST C
11. W mm 24 to 83 kHz 48 to 76 Hz 01035 C 32 to 95 F 20 to 60 4 to 140 F 20 to 80 100 240 50 60 Hz Altitude Operating storage Power Consumption maximum Input Terminal to 3657 6 to 12 000 feet 0 to 12192 m to 40 000 feet 27 watts One VGA connector with cable included 18 5 LCD Color Monitor HP LE1851w 2 LCD Monitor Description The LCD Monitor will contain main board power board a key board which house the flat panel control logic brightness control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each Monitor Block Diagram voltage CCFT Drive Flat Panel and CCFL backlight Power Board Main Board RS232 Connector For white balance Include adapter board adjustment in Keyboard factory mode Video signal DDC AC IN HOST Computer 110V 240V 18 5 LCD Color Monitor HP LE1851w 3 Operation Instructions 3 1 General Instructions The monitor settings can be adjusted from the On Screen Display OSD menu To access the OSD and adjust screen settings base on your viewing preference do the following 1 If the monitor is not already on press the power button to turn on the monitor The power indicator will light up 2 To access the OSD menu press the Menu button 3 To navigate through the Main Menu press the or buttons Once the desired function is highl
12. 4TOpF 25V 680K OHM 4W 680K OHM 1 4W C928 0 01uF C900 GND1 CNE 3300pF 250V VAR901 i Varistor HS2 HEAT SINK D906 Q90G6263 3 4 N I 505 F901 1000pF FUSE HS3 HEAT SINK Q901_Q90G6263 1 CN901 SOCKET 87G 501 32 POWER XFMR 100 OHM 1 4W L904 R919 100 OHM C912 pigs 0 001uF 100 OHM 1 4W C918 C922 680uF 25V T 470PF50V N D905 31DQ06FC3 R961 100 OHM 1 4W R962 100 OHM 1 4W C929 C940 0 001uF 1000uF 25V es es 1 4 150R 1 8W ZD922 RLZ5 1B R925 D916 1K 1 8W LL4148 C924 0 1uF 903 AZ431AZ AE1 R926 R942 1K 1 10W 1 1K 1 10W 1 C925 R930 0 2 43K OHM 1 1 10W TPV Top Victory Electronics O 412V ZD902 RLZ13B C930 R946 150 OHM 2W 943 0903 4708 1 8W 53904 932 R939 1K 1 8W 0 001uF F903 O O 5 C915 470UF 0 OHM 1 4W R940 33K 1 10W CN902 5V DIM ON OFF Wire Harness TT Co AM G2852 C HP X 1 090213 MODEL PWPC9821MHA1 PWPC9821SHA1 2 POWER PCB NAME 715G2852 C HP Thursday February 26 2009 24 18 5 LCD Color Monitor LE1851w 1K 1 8W T801 POWER XEMR R817 10K 1 10W 1 D805 LL4148 C801 30pF 3KV H12V o 0 OHM
13. Adjust the Brightness ri to 90 5 Gain adjustment Move cursor to F and press MENU key A Adjust 9300k color temperature 1 Switch the Chroma 7120 to 9300k channel 2 The chroma 7120 will show x 2983 15 298 15 Y gt 190 cd m 3 Switch the chroma 720 to RGB MODE with press MODE button to change 4 Adjust the RED of color 9300K on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color 9300K on factory window until chroma 7120 indicator reached the value G 100 6 Adjust the BLUE of color 9300K on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 5 3 18 5 LCD Color Monitor HP LE1851w B Adjust SRGB color temperature 1 Switch the chroma 7120 to sRGB channel 2 The chroma 7120 will show x 313 15 y 329 15 Y 170 cd m 3 Switch the chroma 7120 I to RGB MODE with press MODE button to change 4 Adjust the RED of color SRGB on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color sRGB on factory window until chroma 7120 indicator reached the value 100 6 Adjust the BLUE of color sRGB on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 5 C Adjust 6500k color temperature 1 Switch th
14. Check the resonant wave of pin2 amp pin5 for T801 Z Check C839 R855 R856 C838 Check the output of 801 NG Change T801 OK Check connecter amp lamp 35 18 5 LCD Color Monitor HP LE1851w 9 2 3 Key Board OSD is unstable or not working Is Keypad board connecting normally Connect Keypad Board NG 5 Button Switch normally Replace Button Switch OK NG Is Keypad board normally Replace Keypad Board OK Check main board 36 18 5 LCD Color Monitor HP LE1851w 10 White Balance Luminance Adjustment Approximately 30 minutes should be allowed for warm up before proceeding White Balance adjustment 1 How to do the Chroma 7120 MEM Channel setting A Reference to chroma 7120 user guide B Use SC key and NEXT key to modify xyY value and use ID key to modify the TEXT description Following is the procedure to do white balance adjust 2 Setting the color temp You want A 9300k color 9300 color temp parameter is x 283 15 y 297 15 Y 160 cd m B SRGB color sRGB color temp parameter is x 31315 329 15 Y gt 170 cd m C 6500K color 6500K color temp parameter is x 313415 329 15 Y gt 200 cd m 3 Into factory mode of HP LE1851w Turn on power press the Menu button pull out the power cord and then plug the power cord Then the factory OSD will be at the left top of the panel 4 Bias adjustment Set the Contrast to 80
15. OEM HP L1908w M An M AW G3083 1E X X 2 090210 TPV MODEL Date Tuesday February 10 2009 Rev 04 Output 71563083 1 KE lt gt 18 5 LCD Color Monitor LE1851w CMVCC 56 CMVCC CN701 711 VCC3 3 CMVCC HER lt BKLT_VBRI 5 7 VI VO vcc3 3 4 5 z Q C701 C70 x 100UF16V 0 1 S M CONN C704 C703 0 1uF 16V 100UF16V CMVCC VCC3 3 e Co layout both 223 and 252 R701 R702 10K 1 16W 5 10K 1 16W 596 Q701 2N3904S RTK PS oe C705 lt BACKLIGHT 5 VCC1 8 R703 1 16W 5 SM4001A VCC1 8 5 Q702 KN2907AS C706 0 1uF 16V 100UF 16V TPV Top Victory Electronics Ltd OEM MODEL HP L1908w LE1851w KE Mes Tuesday February 10 2009 18 5 LCD Color Monitor LE1851w 7 2 Power Board BD901 KBP208G 4 C907 R904 R908 100uF 450V 300K OHM 1 4W 100 5 2WS C938 1500pF 2kV R932 D900 300K OHM 1 4W FR107 C911 20906 901 R909 0 1uF RLZ FR103 5 1 OHM 1 4W C903 22uF 50V Net 300K 1 4W R907 NC D903 114148 8 0901 CS 2 R910 2SK2645 54MR 10R 1 4W AN GND OUT R938 ZD905 10K 1 84 N 0 22uF 275V LD7552BPS RLZ18B C901 28901 1000pF R915 BEAD 100K OHM 1 1 8W NI R9 N 220 OHM 1 4W 8914 C909 0 47 OHM 5 PWS
16. the analog port are they re any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message Program the scalar to be able to show the coming mode 18 Process the OSD display 19 Read the keyboard Is the power key pressed 16 18 5 LCD Color Monitor 6 2 Electrical Block Diagram 6 2 1 Scalar Board Panel Interface CN403 EPR SDA EPR SCL FLASH MEMORY Scalar TSUM1PFR LF PM25LV010A U402 Include ADC OSD MCU U401 D Sub Connector EEPROM CN101 M24C04 U403 DB15_ SDA DB15 SCL EEPROM 24 02 0104 17 LE1851w 18 5 LCD Color Monitor HP LE1851w 6 2 2 Inverter Power Board AC input Bridge Rectifier EMI filter 9 Transformer Rectifier diodes and Filter Start Circuit CN902 12V PWM Volt Circuit Control IC 5 Protect Resonance Feedback Over ON OFF Circuit Voltage Control Control IC 18 18 5 LCD Color Monitor 7 Schematic 7 1 Main Board ESD_VCC HP LE1851w TSUMIPFR SCHEMATIC XGA SXGA DSUB_5V ESD_VCC DSUB_R DSUB_R DSUB_G DSUB_G DSUB_SOG DSUB_B DSUB_B DSUB H DSUB V VCC3 3 DSUB 5V DDC1 SDA SCL ESD VCC DET CABLE VCC3 3 02 Input VCC1 8 VCC3 3 DSUB 5V VCC1 8
17. 1 4W R804 Q801 100R 1 8W PMBS3904 C803 1K5 1 10 1 30pF 3KV Q808 PDTA144WK Q805 PDTC144WK R839 22R 1 8W ON OFF Q804 A 53906 R828 dn C807 C825 10K 1 10W 196 CN802 0 1uF 25V 0 1uF 25V D807 BING Q811 LL4148 PMBS3904 1 10W 1 Q812 PMBS3906 1 R850 22R 1 8W e R827 1K 1 10W 196 9806 853 PMBS3904 68K 1 10W D817 LL4148 R841 68K OHM 1 1 10W C842 0 022uF R829 6K8 1 10W 22R 1 8W 196 R825 22R 1 8W R837 47K 1 8W C822 1uF 25V R832 10K 1 10W 196 TL494IDR 10K 1 10W 1 DTC OUTPUT CTRL 1K 1 10W 1 LL4148 LL4148 C2 a C846 0 1uF 25V NC 51K OHM 1 1 8W C834 R835 0 1uF 25V 1M 1 10W 596 R803 680K 1 10W R862 1M 1 10W 5 D814 LL4148 R820 10K 1 10W 196 R831 1K 1 8W C845 2 2uF 16V TPV Top Victory Electronics Co Ltd OEMMODEL HP LE1851w 25 A ih JM A a G2852 C HP X 1 090213 TPV MODEL PWPC9821MHA1 PWPC9821SHA1 3 INVERTER PCB NAME 715G2852 C HP ro ODM MODEL Date Thursday February 26 2009 18 5 LCD Color Monitor LE1851w 7 3 Key Board NC 0 1 50V ROO1 3K3 1 10W 1 001 R002 1K5 1 10W 1 1 LBADC1 R003 3K3 1 10W 1 2 LBADC2 R004 1K5 1 10W 1 3 POWERON 4 LED Green LED Green 5 LED Ambert LED Ambert 6 al LEDOO1 1 LED E C002 CABLE 72 2 N N 3 2 MENU Min
18. 18 5 LCD Color Monitor HP LE1851w Service Service e ENERGY STAR gt Horizontal Frequency 24 83 kHz TABLE OF CONTENTS Description Page Description Page Table Contents cero ire entrada iaaa 1 7 1 Main 19 Revision LIST a toes ista comedians eniooraieiebarendeameknnesenas 2 1 2 Power BOQ 24 1 Monitor 3 3 26 2 LCD Monitor 3 diuini eee eer ee 27 3 Operation Instruction ir 5 6 1 Board uiia a sais 27 3 1 General Instructions 5 8 2 Power 28 3 2 Control Orde WEY 30 3 3 Adjusting the 72 6 9 31 4 Input Output 10 9 1 Equipments and Tools Requirement 31 6 Block 15 12 Monitor Exploded 42 6 1 Software Flow T
19. 5 LCD Color Monitor LE1851w Icon Main Menu Submenu Description OSD Control Management sharpness non native modes Horizontal OSD Position Vertical OSD Position OSD Transparency OSD Timeout Power Saver Fower Recall Mode Display Monitor Status Adjusts the screen image to look sharper or soft Provides a for adjusting the on screen display 050 controls Changes the viewing position of the OSD menu to the left or right area of the screen The factory default range is 50 Changes the viewing position of the OSD menu the top bottom area of the screen The factory default range is 50 Adjust to view the background information through the OSD sets the time duration in seconds that the OSD is visible after the last button is pressed The range is 5 seconds The factory default is 30 seconds Selects the OSD and power management features of the monitor Enables the power saving feature Select On e Off The factory default is On Restores power to the monitor following an unexpected removal of power Select The factory default is On Displays the resolution refresh rate and frequency information on the screen each time the OSD Main Menu is accessed Select The factory default is On Displays the operating status of the monitor each time the monitor is powered on Select the lo
20. 6bit Hi FRC Driver Element a Si TFT active matrix Pixel Arrangement RGB vertical stripe Luminance of White 25 5 2 Optical Characteristics M185B1 L02 Chromaticity M prb CS 1000T Wx Center Luminance of White CR Tr Center of Screen Contrast Ratio CR 8 202 6 0 USB2000 CR 10 White Variation avy xt Viewing Angle USB2000 11 18 5 LCD Color Monitor HP LE1851w LTM185AT01 Q01 Q02 Contrast Center of screen Response Luminance of White Center of screen Green Color Chromaticity CIE 1831 Color Chromaticity CIE 1976 Item Symbol Condition EZ Contrast Brightness Uniformity 8 Points 12 18 5 LCD Color Monitor HP LE1851w 5 3 Parameter guide line for CCFL Inverter 1 TFT LCD Module M185B1 L02 Parameter oymbol value Unit Min Typ Max Power Supply Voltage V Ripple Voltage 100 mV RushCurent 2 3 A 04 06 A Power Supply Current 058 09 Vertical Stripe __ 06 09 Power Consumption 30 45 Wat LVDS differential input voltage Vid 100 600 mV LVDS common input voltage 12 LTM185AT01 001 002 EMEN E NK TE VotamofPowerSupy 45 50 58 o Differential Input High De Volta
21. AME FOR CONTINUED PROTECTION AGAINST TYPE AND RATING OF FUSE CAUTION RISX can HIGH 11 71562852 D HP GND HIGH VOLTAGE Ls 5 A CAUTION CAUTION 28 LE1851w 18 5 LCD Color Monitor Hm 6904 8935 1801 0680 20886 8482 e 9 1 e cog D810 e m m 5800 en 1 80 ceu 4 m E e 6801 0802 6919 5 25 Ae 288 5 co TS 4 4 229 0 k Het e BEEN e GEE VV B 0902 em s o 5858 9 0 8 m NH e We 29 18 5 LCD Color Monitor HP LE1851w 8 3 Key Board 30 18 5 LCD Color Monitor 9 Maintainability 9 1Equipments and Tools Requirement oat I Dr o C rt Multi meter Oscilloscope Pattern Generator DDC Tool with a Compatible Computer Alignment Tool LCD Color Analyzer Service Manual User Manual 31 LE1851w 18 5 LCD Color Monitor 9 2 Trouble Shooting 9 2 1 Main Board
22. C407 10UF50V R415 R417 10R 1 16W 5 10K 1 16W 596 C409 10pF 01 14 31818MHz For FFC cable R418 100R 1 16W 5 C410 10pF 2 gt toO 3E CN401 wi i o 3 A l 0 1uF 16V 0 1uF 16V 0 1uF 16V 0 1uF 16V 427 10K 1 16W 5 Near to Connect C416 0 1uF 16V R428 31 0 1 KEY 1 POWER_KEY D GRN BLU D OR AN LVBCKP LVBCKM LVB2P LVB2M LVB1P LVB1M LVBOP LVBOM GPIO P15 PWMO PWM2 GPIO P24 GPIO P12 PWM1 GPIO_P25 RSTN GPIO 00 5 1 GPIO P01 SAR2 GPIO P06 GPIO P07 PWMO GPIO P26 GPIO P13 GPIO P14 GPIO P10 I2C 755 GPIO 11 2 MDA 21 VCC3 3 VDDP FB401 AVDD pu gt VCTRL 7 4 7 VCC3 3 33 PAO 3000HM CE C401 C402 PAIO 1 0 1uF 16V 0 1uF 16V 35 4 PA 0 1 6 38 7 7 39 40 PAQ VCC1 8 VDDC _ gt 9 6 7 VCC1 8 C403 C404 PBIO 9 0 1uF 16V 0 1uF 16V 41 PBO PB 0 9 6 42 PB1 43 PB2 44 PB3 45 4 46 PB5 47 PB6 48 PB7 49 PB8 50 9 VCC3 3 of r9 20 R403 100R 1 16W 596 E REG LL CWCC 6 7 27 404 100R 1 16W 5 EE WP I T 56 R407 100R 116W 5 ST vag AKLIGHT 2 10K 1 46W 5 57 58 R409 100R 1 16W 5 KEY 1 KEY2 59 8410 1008 1 16W 5 20K to 6 2K R411 60 R41 100R 1 16W 5 LED GRN BLUE C408 6K2 OHM 1 16
23. EON 43 6 2 Electrical Block 17 14 Different Parts 51 53 SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES CAUTION USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING 1 18 5 LCD Color Monitor HP LE1851w Revision List Version Date RevisionHistoy TPV Model Name T89MM5DBRWHPNNE T89MM5DBRWHPNCE T89SM5DBRWHPNNE T89SM5DBRWHPNCE M185B1 L02 Panel List in Item 5 LTM185AT01 001 002 Initial release 00 Mar 16 2009 18 5 LCD Color Monitor 1 Monitor Specification LE1851w Display Type Viewable Image Size Tilt Maximum Weight Unpacked Dimensions include base Height Depth Width Maximum Graphic Resolution Optimum Graphic Resolution Text Mode Dot Pitch Horizontal Frequency Vertical Refresh Rate Environmental Requirements Temperature Operating Temperature storage Temperature Relative Humidity Power Source 47 cm wide screen 18 5 inches wide screen LCD 47 cm diagonal 18 5 inch diagonal 5 to 25 3 6 kg 8 3 Ibs 34 1 13 4 inches 19 0 cm 7 5 inches 44 17 55 inches 1366 x 768 60 2 analog input 1366 x 768 60 2 analog input 120 400 0 2835 0 2835
24. HIP 1 0 KOHM 19 1 10 oce sas osse RST CHP Tox now ease once ASTON oc iow ne ees oom RST OM oc iow ne once ASTON roc iow ne eos owe sor RT CMP Tox nowy 48 18 5 LCD Color Monitor HP LE1851w RU R814 061G0603150 1 6857 RST CHIPR 1 5k OHM 1 1 40W RST 2 43KOHM 1 1 10W RST CHIPR 33KOHM 1 1 10W i RST CHIPR 3 6KOHM 1 1 10 i RST CHIPR 6 8KOHM 1 1 10 i RST CHIPR 68KOHM 1 1 10W i RST CHIPR 680 KOHM 1 1 10W 7 RST CHIPR 68K OHM 5 1 10W RST 68KOHM 5 1 10W RST CHIPR 680KOHM 5 1 10W i RST CHIPR 7 5KOHM 1 1 10 RST CHIPR 0 OHM 5 1 8W RST 1KOHM 1 1 8W D RST CHIPR 1KOHM 1 1 8W RST 1KOHM 1 1 8W i RST CHIPR 100KOHM 1 1 8W RST 100 OHM 5 1 8W RST 1 5 1 8W RST 1 5 1 8W RST 1 KOHM 5 1 8W RST 10 KOHM 5 1 8W RST CHIPR 150 OHM 5 1 8W DENEN RST CHIPR 22 OHM 5 1 8W i RST CHIPR 22 OHM 5 1 8W RST 22 OHM 5 1 8W RST 22 OHM 5 1 8W RST CHIPR 470 OHM 5 1 8W RST CHIPR 47KOHM 5 1 8W RST CHIPR 51KOHM 1 1 8W ororo Les
25. W 596 61 R41 100R 1 16W 5 LED ORANGE 0 1uF 16V 62 R414 100R 1 16W 5 POWER KEY 63 416 100R 1 16W 5 ei lt DET CABLE 4 gt DDC_WP 4 Max condition for LED 1 3 3 12 mA 2 Current FW need to modified VCC3 3 26 R42 R423 100R 1 16W 5 100R 1 16W 596 TPV A AN Key Component Date Tuesday February 10 2009 Sheet C411 MSCL 0 22uF 16V MSDA R419 10K 1 16W 5 10K 1 16W 596 10K 1 16W 596 M24C04 WMN6TP Top Victory Electronics Co Ltd OEM L1908w LE1851w 03 Scalar PCB NAME 715G3083 1E 5 of 7 18 5 LCD Color Monitor 5 0 1 1 5 PA 4 9 5 280 9 gt 08 1 2 4 5 6 8 9 R430 10K 1 16W 5 R431 4K7 1 16W 5 R432 100 1 16W 5 PPWR 0402 5 PPWR_ON gt 53906 PANEL 1 5 7 NINI 1 1 For single channel CMVCC 5 7 418 0 1uF 16V Q401 PANEL VCC _ AO3401 402 A 3D 1200 C419 2 5 4011 LE1851w R434 has to be changed from 0805 to 1206 PANEL VCC R429 330 OHM 1 4W 417 0 1uF 16V PAO PA1 PB2 PB3 4 5 6 7 8 9 PBO 1 2 4 5 PB6 7 9 402 TPV Top Victory Electronics Ltd
26. cation to display the status to s Middle Bottom Off The factory default is Top 8 18 5 LCD Color Monitor HP LE1851w Icon Main Menu Submenu Description DDE DDC CI Support Allows the computer to control some OSD menu features such as brightness contrast and color temperature Set to re The factory default is On ent Bezel Power LED Turns off the power LED on the front panel of the monitor The factory default is sleep Timer Provides the timer adjustment menu options set Current Time sets the current time in hours and minutes set Sleep Time sets the time you want to place the monitor in sleep mode Seton Time sets the time you want the monitor to wake up from sleep mode Timer sets the Sleep Timer feature On or Off The default setting is Off Now immediately sets the monitor to enter sleep mode A7 Language Selects the language in which the OSD menu 15 displayed The factory default is Enalish Information Selects and displays important information about the AT monitor Curent Settings Provides the current input video mode Recommended Provides the recommended resolution mode and settings refresh rate for the monitor serial Number Reports the serial number of the monitor The serial number is needed if contacting HP technical support FW Version Reports the firmware version of the monitor Backlight Hours Reports the to
27. e chroma 7120 to 6500K channel 2 The chroma 7120 will show x 313 15 y 329 15 Y gt 200 cd m 3 Switch the chroma 7120 I to RGB MODE with press MODE button to change 4 Adjust the RED of color SRGB on factory window until chroma 7120 indicator reached the value R 100 5 Adjust the GREEN of color SRGB on factory window until chroma 7120 indicator reached the value G 100 6 Adjust the BLUE of color SRGB on factory window until chroma 7120 indicator reached the value B 100 7 Repeat above procedure item 4 5 6 until chroma 7120 RGB value meet the tolerance 100 5 D Press reset key and Turn the Power button off to on to quit from factory mode 38 18 5 LCD Color Monitor HP LE1851w 11 Mechanical Instructions Step Figure Description Lay the monitor flat soft Preparation and clean surface Remove the decorate cover Remove the stand and the screws to remove the stand Remove the xt Bp Remove the back cover back cover 39 18 5 LCD Color Monitor Remove the bezel Remove the main frame 40 LE1851w Remove the screws to remove the bezel Remove the screws marked in red and to remove the main frame Remove the panel 18 5 LCD Color Monitor HP LE1851w 7 1 Remove the screws marked in red to remove the Power Remove Boardand Main Board 2 Disconnect main board and power board the c
28. e en me en mw wn ese en en 51 18 5 LCD Color Monitor HP LE1851w 7794 wm 4902 095 9023 JUMPER WIRE 9s ew o2 ww wm wm 9 _ O _ ws we 4028 _ ___ _ _ ms we wz _ ___ _ _ my ws _ __ _ _ _ ms _ o _ POWERBONRDROB 1 52 18 5 LCD Color Monitor HP LE1851w 14 Different Parts List Diversity of TT9MMS5DBRWHPNCE compared with TS9MMS5DBRWHPNNE Location Part No Description Hemark 750GLM185B1232D0HP PANEL 18581 102 C2 Diversity of TE995M5DBRWHPNNE compared with TS9MM5DBRWHPNNE PANEL LTM185AT01 Q01 001 SZ SEC EMEN PANEL LTM185AT01 Q02 002 FQ SEC T56GH9CBHPO002 SCALER 1 PWPC9821SHA1 POWER BOARD G2852 D HP X 1 090225 Diversity of TE995M5DBRWHPNCE compared with TS9MMS5DBRWHPNNE PANEL LTM185AT01 Q01 001 SZ SEC PANEL LTM185AT01 Q02 002 FQ SEC 756GH9CB HP002 SCALER BOARD CBPC9M5HPH1 1 PWPC9821SHA1 POWER BOARD G2852 D HP X 1 090225 53
29. ge for LVDS Receiver Threshold 100 Input Differential input Characteri voltage stics Input voltage range single ended Common mode voltage Current of a Black Power b White supply x Frequency 2748 arao 5925 ez _ Runce s a 2 Back Light Unit M185B1 L02 Lamp Input Voltage m 695 Vae LampCurent 20 15 1680 0C am On Voltace Lamp Turn On Voltage 5 46025 Operating Frequency 20000 Power Consumption os w 13 18 5 LCD Color Monitor HP LE1851w LTM185AT01 Q01 Q02 O imponen 75 __ E Asymmetry Wasy Inverter rate waveform 0C 1480 1 480 Startup Voltage Vrms 5 14 18 5 LCD Color Monitor HP LE1851w 6 Block diagram 6 1 Software Flow Chart 18 5 LCD Color Monitor HP LE1851w REMARK 1 MCU initialize 2 Is the EEprom blank 3 Program the EEprom by default values 4 Get the PWM value of brightness from EEprom 5 Is the power key pressed 6 Clear all global flags 7 Are the AUTO and SELECT keys pressed 8 Enter factory mode 9 Save the power key status into EEprom Turn on the LED and set it to green color Scalar initialize 10 In standby mode 11 Update the lifetime of back light 12 Check
30. ighted press the Menu button to activate the Submenu Press the Menu button to select the highlighted function 4 Press the or button to change the settings of the selected function Press the or button to select another function in the Submenu 5 Press Auto OK to select the highlighted function 3 2 Control Button Control Function 1 Menu Opens selects or exits the OSD menu 2 Minus It the OSD menu is on press to navigate backward through the OSD menu and decrease adjustment levels 3 Plus It ine OSD menu is on press to navigate forward through the OSD menu and increase adjustment levels 4 Ok auto Ift the OSD menu is on press to select the highlighted menu auto itam If the OSD menu is inactive press to activate the auto adjustment feature to optimize the screen image 5 Power LED Green Fully powered Amber Sleep mode Flashing Amber Sleeo Timer mode 6 1 Power Turns the monitor on or off 18 5 LCD Color Monitor 3 3 Adjust the Picture Contrast Image Control 050 Management Language Information Factory Rese LE1851w 18 5 LCD Color Monitor LE1851w Icon Main Menu Submenu Description Brightness Adjustable scale Adjusts the brightness level of the screen The factory ER default range is 90 Contrast Adjustable scale Adjusts the contrast level of the sc
31. onnector and remove the Power Board and Main Board 4 4 ly icy Kw GET b LIT I 41 18 5 LCD Color Monitor HP LE1851w 12 Monitor Exploded View LEL851w 29 16 32 2060 prm ume EIE Screw 6 Stand_hinge cover 446118 TH stand_colomn_fron PLI WM E Shield scalar 18500164 101 butt on FAM a 2 4 EXPLODE DRAWING Bezel OSD button Mainframe 4 Shield scalar Stand colomn front 6 Stand hinge cover lt Seren fo Rear cover AG Rear i T screw A Gate plate Base bkt 13 42 EYEE 18 5 LCD Color Monitor HP LE1851w 13 BOM List T99MM5DBRWHPNNE toon Pato Desorption Reman 040 58162435 P N LABEL FOR MANUAL we moe 0526 1211 A Conductive Tape 55mm 45mm 0 08 _ PONERCORD _ HARNESS mie eo mommas screw TRLMISSBUINDZONP PANELWIBSBMADAC2NBONO 022002 AMGHTAMASBUSD ______
32. reen The factory default range is 80 Color Selects the screen calor The factory default is 6500K 4 T2 Image Control 9300 K 6500 sRGB Custom Calor Auto Adjustment Clock Clock Phase Horizontal Position Vertical Position Custom Scaling or Custom Color depending on the model Changes to slightly blueish white Changes to slightly reddish white Sets your screen colors to adapt to the color standards used in the image technology industry Selects and adjusts your own color scales R sets your own red color levels sets your own green color levels B sets your own blue color levels Adjusts the screen image VGA input only Automatically adjusts the screen image Minimizes any vertical bars or strips visible an the screen background Adjusting the Clock will also change the horizontal screen image Adjusts the focus of the display This adjustment allows you to remove any horizontal noise and clear sharpen the image of characters Adjusts the position of the screen image left and right Adjusts the position of the screen image up and down Selects the method on how displayed information on the monitor will be formatted Select Fillto Screen image fills the entire screen and may look distorted or elongated because of non proportional scaling of height and width e Fillto Aspect Ratio image is sized to fit the screen and maintains proportional image 18
33. tal hours of backlight operation Service Suppart http www hp com support Factory Reset Returns all OSD menu settings and DDC CI controls to the factory default settings except the Language Exit Exits the OSD menu screen 18 5 LCD Color Monitor HP LE1851w 4 Input Output Specification 4 1 Input Signal Connector 4 1 1 D SUB connector Pin Oooo Oo Blue Video O e o Mme DDC Serial Clock VGA connector layout 4 2 Factory Preset Display Modes Preset Pixel Format Horz Freq kHz Vert Freq Hz 1 640 x 480 31 469 59 940 2 720 400 31 469 70 087 3 800 x 600 37 879 60 317 4 1024 768 48 363 60 004 5 1280 x 960 60 00 60 00 6 1280 x 1024 63 98 60 02 7 1366 768 47 7 60 00 8 1366 768 48 0 60 00 18 5 LCD Color Monitor HP LE1851w 5 Panel Specification 5 1 General Feature M185B1 L02 Specification 409 8 230 A V 18 57 diagonal x 284 __ 1366 x R GB x 768 pixel 0 3 H x 0 3 V mm _ __ RGBverlcalstrIipe DispayCoos coo ransmissive Mode AG type 3H hard coating Haze 25 LTM185AT01 001 002 Pixel Pitch 0 300 H x 0 300 W mn Haze 2596 Hard coating 3H Display Colors 16 7M
34. us Plus OK Auto POWER V SGND Swoo1 MH 3 5 7 SW MENU 3 3K 1 51 __ LBADC1 20003 NC UDZW5 6B DOWN 1 5K 0 9270 2 6 B ve 3 390 LBADC2 1 500 0 92V V SGND Metal DOME switch le ie 1 MENU Minus Plus OK Auto LED Power TPV Top Victory Electronics Co Ltd OEM HP LE1851w LE2001w At 8 3457 1 081212 TPV MODEL N A Ree Key Component 2 0 key PCB NAME 715G3457 B e KE Friday February 06 2009 2 of 2 26 18 5 LCD Color Monitor HP LE1851w 8 PCB Layout 8 1 Main Board 0703 71563083 Wm mE T 07 70 1 LE R414 il L 1415 703 R402 10 105 04 C102 ES Hem nd 14 C107 MN on M3 08C106 16 C108 C110 8106 1035 12112 15 R112 y umo apum R NN NN U R418 410 c409 GN HN L F UT 107 T d MOMI Le 52 101 52 701 101 27 18 5 LCD Color Monitor HP LE1851w 8 2 Power Board OF FIRE REPLACE ONLY WITH S

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