Lenovo LXM-L15DB Service Manual Download Page 36 | Manualshive

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17" LCD Color Monitor

Lenovo LXM-L15DB

36

11. BOM List

T56VM2MCA8GNNJ

Location

Part No. for TPV

Description

CBPC560KV2GNP

MAIN BOARD

KEPC560KH9P

KEY BOARD

PWPC521VL1P

POWER BOARD

S95G801820516

LVDS ASS'Y

12G 394 3

FOOT

15G6204 1

HINGE-BKT

15G8908 1

AC BRACKET

MANUAL P/N LABEL

TRANSPARENT SHEET

LENOVO MIDDLE TAPE

INSULATING SHEET

52G6025 15903

INSULATING SHEET

89G 725HAA D1

SIGNAL CABLE

89G417A18N IS

POWER CORD 1.8M

95G8014 12703 DW

WIRE HARNESS

XN01A

M1G 330 4128 CR3

SCREW

XN01B

M1G 330 4128 CR3

SCREW

XN01A

M1G 330 6 47 CR3

SCREW

XN01A

M1G1140 6128 CR3

SCREW

XN01A

M1G1730 6128 CR3

SCREW

XN01A

M1G1730 8128 CR3

SCREW

http://www.wjel.net

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Summary of Contents for LXM-L15DB

Page 1: ...n 5 3 Operation Instruction 6 3 1 General Instructions 6 3 2 Control Button 6 3 3 OSD Menu 7 4 Input Output Specification 10 4 1 Input Signal Connector 10 4 2 Factory Preset Display Modes 10 4 3 Panel Specification 11 5 Block Diagram 13 5 1 Software Flow Chart 13 5 2 Electrical Block Diagram 15 6 Schematic 17 6 1Main Board 17 6 2Power Board 22 7 PCB Layout 24 7 1 Main Board 24 7 2 Power Board 25 7...

Page 2: ...15 LCD Color Monitor Lenovo LXM L15DB 2 Revision List Version Release Date Revision History TPV Model Name A00 Jun 06 2007 Initial release T56VM2MCA8GNNJ h t t p w w w w j e l n e t ...

Page 3: ...tics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiation when open AVOID DIRECT EXPOSURE TO BEAM CAUTION Use of...

Page 4: ... Clock 80MHz Max Resolution 1024 x 768 Plug Play VESA DDC2BTM DDC CI Input Connector D Sub 15pin Input Video Signal Analog 0 7Vp p standard 75OHM Postive Maximum Screen Size Horizontal 304 128mm Vertical 228 096mm Power Source AC100 240V 47 63Hz Environmental Considerations Operating Temp 10 C to 40 C 32 F to 104 F Storage Temp 20 C to 60 C 4 F to 104 F Operating Humidity 10 to 85 Weight N W 2 8kg...

Page 5: ...l 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 voltage AC IN 100V 240V Power board Include adapter inverter Flat Panel and CCFL backlight Main Board RS232 Connector For white balance adjustment in factory mode CCFL Drive Video signal DDC Monitor Block Diagram Key Board HOST Computer h t t p w w w w j e l n e t ...

Page 6: ... located at the front of the panel of the monitor By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Press the power button to turn on the monitor the power indicator will light up 3 2 Control Buttons 3 2 1 Key Control h t t p w w w w j e l n e t ...

Page 7: ...15 LCD Color Monitor Lenovo LXM L15DB 7 3 2 2 Key Function 3 3 OSD Menu h t t p w w w w j e l n e t ...

Page 8: ...15 LCD Color Monitor Lenovo LXM L15DB 8 OSD functions h t t p w w w w j e l n e t ...

Page 9: ...15 LCD Color Monitor Lenovo LXM L15DB 9 h t t p w w w w j e l n e t ...

Page 10: ...Sync 6 Red GND 14 V Sync 7 Green GND 15 DDC Serial Clock 8 Blue GND VGA connector layout 1 5 6 10 11 15 4 2 Factory Preset Display Modes Standard Resolution Horizontal Frequency KHz Vertical Frequency Hz Dos Mold 720x400 31 47 70 640x480 31 47 60 640x480 31 86 72 VGA 640x480 31 50 75 800x600 35 16 56 800x600 37 88 60 800x600 48 08 72 SVGA 800x600 46 88 75 1024x768 48 36 60 1024x768 56 48 70 XGA 10...

Page 11: ...15 LCD Color Monitor Lenovo LXM L15DB 11 4 3 Panel Specification 4 3 1 Display Characteristics h t t p w w w w j e l n e t ...

Page 12: ...15 LCD Color Monitor Lenovo LXM L15DB 12 4 3 2 Optical Characteristics 4 3 3 Electrical Characteristics 1 TFT LCD 2 Backlight h t t p w w w w j e l n e t ...

Page 13: ...15 LCD Color Monitor Lenovo LXM L15DB 13 5 Block Diagram 5 1 Software Flow Chat 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 h t t p w w w w j e l n e t ...

Page 14: ... set it to green color Scalar initializes 10 In standby mode 11 Update the lifetime of back light 12 Check the analog port are there any signals coming 13 Does the scalar send out an interrupt request 14 Wake up the scalar 15 Are there any signals coming from analog port 16 Display No connection Check Signal Cable message And go into standby mode after the message disappear 17 Program the scalar t...

Page 15: ...ock Diagram 5 2 1 Main Board EEPROM AF24BC02 EEPROM M24C16 Panel Interface SDA SCL Crystal 14 318MHZ Flash Memory PM25LV010 25SCE Scalar TSUM16AL LF Include MCU ADC OSD H sync V sync RGB SDA SCL D Sub Connector Key Control Interface h t t p w w w w j e l n e t ...

Page 16: ... Filter Start Circuit R906 R907 PWM Control IC Transformer Over Voltage Protect AC input 5V PWM Control IC Feedback Circuit OSC and Output Circuit DC Convert Circuit MOSFET Over Voltage Protect Lamp ON OFF DIM CN102 PWM Feedback Circuit 12V Rectifier diodes ON OFF Control h t t p w w w w j e l n e t ...

Page 17: ...DET_VGA HSYNC SOG DDCA_SDA DDCA_SCL 5V DDC_WP PC5V VCC3 3 LVDS OUTPUT B2 2 POWER on_Panel on_BACKLIGHT Adj_BACKLIGHT VCC1 8 VLCD 5V VCTRL VCC3 3 PC5V B4 4 SCALER RIN GIN SOG BIN GNDR GNDG GNDB HSYNC VSYNC Adj_BACKLIGHT VCC1 8 Vcc3 3 VCTRL A 0 9 B 0 9 DDCA_SDA DDCA_SCL DET_VGA on_BACKLIGHT on_Panel 5V DDC_WP 5V 715G1912 1 A LENOVO 17 TSUM16AL A 1 5 Monday August 15 2005 Title Size Document Number R...

Page 18: ...IFY VLCD 5V R705 4 7K 1 16W BL_ON C714 0 1uF 16V 5V TO 263 GND 4 7K 1UF GND VCC3 3 3 4 C713 0 1uF 16V Q704 AO3401L BL_ADJ R725 4 7K 1 16W D703 BAT54 Vf 0 53V worst cauae when If 100mA So when system power off the system loading is about 32mA it is safe GND R706 VCC1 8 P W M PC5V VCC1 8 4 FTD8 FD Mark R714 10K 1 16W 4 7K 0 715G1912 1 A POWER Custom 2 5 Friday August 19 2005 Title Size Document Numb...

Page 19: ...ize Document Number Rev Date Sheet of BIN 4 HSYNC 4 5V SCL_VGA R448 2 2K 1 16W PC5V CN405 DB15 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 FB411 0 1 16W D405 BAV99 3 1 2 VSYNC 4 SOG 4 PC5V D409 LL5232B 5 6V 5 RED R435 100 1 16W C432 0 047uF GNDR 4 VGA_CON DDCA_SDA 4 BLUE R454 100 1 16W D413 LL5232B 5 6V 5 C442 22pF R438 75 1 16W SDA_VGA D406 LL5232B 5 6V 5 U404 M24C02WMN6 1 2 3 4 5 6 7 8 A0 A1 A2 GN...

Page 20: ...19 17 27 28 15 26 25 37 39 38 40 47 86 59 96 97 60 61 62 63 64 65 67 68 69 70 71 72 73 74 77 78 58 55 54 2 5 8 11 29 33 24 56 53 52 81 51 30 31 93 14 75 35 48 85 88 89 90 91 92 94 95 99 43 44 84 41 42 98 16 32 49 66 82 34 50 57 76 79 83 80 87 36 45 46 RIN0P GIN0P SOGIN0 BIN0P RIN0N GIN0N BIN0N HSYNC0 VSYNC0 REXT REFP REFM SDO SCK SCZ SDI PWM2 GPIO_P24 PWM1 GPIO_P25 LVACKM XIN XOUT LVA2P LVA2M LVA1...

Page 21: ...M RXO1 LVACKM LVA3P LVA3M LVB3M B 0 9 4 RXE1 A8 LVA1M LVB0M RXE3 B8 A5 A3 LVA2M LVBCKP RXO0 B0 LVA0P B4 LVACKM LVA3P VLCD RXE2 LVB1P A0 B3 LVA3M LVA0P RXE0 B5 LVA0M CN101 NC CONN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 LVB3P RXE3 LVB2P LVB0P LVBCKM LVB2M 715G1912 1 A PANEL INTERFACE A 5 5 Monday August 15 2005 Title Size Document Number Rev Date Sheet of LVA1P LVB3M A 0 9 4 ...

Page 22: ...1 2 4 3 IC902 PC123FY2 R919 0 39 2W ZD901 MTZS05 24 G 1 2 R917 10 1 4W R920 47 1 2W C910 0 1uF Q903 2SK2996 C936 0 1uF C906 0 0015uF 2KV IC903 H431BA 1 2 3 CN901 SOCKET R928 1K 1 10W C926 470uF 16V C925 1000uF 16V C907 22uF R931 1K 1 10W R922 47 1 2W R916 24K 1 10W R903 100K 2W C913 0 0047uF 250V 12V C912 NC C909 0 1uF R913 NC C924 470uF 16V D901 FR107 R915 10K 1 4W GND 5 1 2 4 3 CN301 PHONEJACK R...

Page 23: ... R208 0 1 10W 715G1034 2 N2 for I O DATA 15 inch SVA panel A A R205 47K C207 4 7uF R207 NC is signal GND 4 8 5 6 7 3 2 1 Q203 SI4431DY Q205 MPS3904 CT 1 RT 2 1IN 3 1IN 4 1FBK 5 1DTC 6 1OUT 7 GND 8 Vcc 9 2OUT 10 2DTC 11 2FBK 12 2IN 13 2IN 14 SCP 15 REF 16 U201 BAF9741F R214 2 2K 1 16W R218 100 1 16W D201 SSM24PT L201 CHOKE COIL D203 RLZ11B R220 18K 1 6W 1 2 3 Q209 2SC5706 1 2 3 Q210 2SC5706 C213 18...

Page 24: ...15 LCD Color Monitor Lenovo LXM L15DB 24 7 PCB Layout 7 1 Main Board 715G1912 3 h t t p w w w w j e l n e t ...

Page 25: ...15 LCD Color Monitor Lenovo LXM L15DB 25 7 2 Power Board 715G1034 5 h t t p w w w w j e l n e t ...

Page 26: ...d 715G1496 3D 8 Maintainability 8 1 Equipments And Tools Requirement 1 Voltmeter 2 Oscilloscope 3 Pattern Generator 4 DDC Tool with an IBM Compatible Computer 5 Alignment Tool 6 LCD Color Analyzer 7 Service Manual 8 User Manual h t t p w w w w j e l n e t ...

Page 27: ...ok if the picture is normal Please reinsert and make sure the AC of 100 240 is normal Reinsert or check the Adapter Inverter section X401 oscillate waveforms are normal Check CN701 or replace U701 Q702 Replace U401 Replace X401 OK OK OK NG NG NG NG Measure U701 PIN2 3 3V Q702 Vc 1 8V h t t p w w w w j e l n e t ...

Page 28: ... OK NG NG Measure U701 PIN2 3 3V Q702 Vc 1 8V Replace U701 Q702 X401 oscillate waveforms are normal Replace X401 Check if the sync signal from computer is output and video cable Input the sync signal of computer or change Replace U401 NG OK h t t p w w w w j e l n e t ...

Page 29: ...04 is broken or CN701 solder Check Correspondent component Replace Panel Check Correspondent component Replace U401 OK OK Replace X401 OK NG NG NG NG Check reset circuit of U401 is normal OK X401 oscillate waveform is normal Measure Q706 base is high level h t t p w w w w j e l n e t ...

Page 30: ... R904 R905 IC901 1 Check IC901 T901 2 Check D902 D903 ZD904 3 Check IC902 IC903 OK Check D910 D912 OK NG NG Stable No power NG NG OK Check AC line volt 110V or 220V Check the voltage of C904 Check start voltage for the pin8 of IC901 300V The auxiliary voltage IC901 pin6 is between 10V 16V jumping h t t p w w w w j e l n e t ...

Page 31: ...e board Check IC201 pin9 12V voltage Change Q201 or Q202 Check the pin10 of U201 if have waveforms Short Q203 if the picture normal Change IC201 Connect PIN15 of U201 to the ground and check Q209 Q210collector Check feedback circuit Change Q209 Q210 PT201 PT202 Check connecter lamp OK OK OK OK NG NG NG NG NG OK NG NG h t t p w w w w j e l n e t ...

Page 32: ...pad Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y N N Is Key Pad Board normally Replace Key Pad Board Y N Y Check Main Board h t t p w w w w j e l n e t ...

Page 33: ...cd m2 D MEM CHANNEL 1 sRGB color sRGB color temp parameter is x 313 8 y 329 8 Lv 180 15cd m2 3 Into Factory mode of Lenovo LXM L15DB 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 50 Adjust the Brightness to 80 5 Gain adjustment Move cursor to F and press MENU key A Adjust Re...

Page 34: ...indow until CA210 indicator reached x 283 8 y 297 8 Lv 180 15 cd m2 D Adjust sRGB color temperature 1 Switch theCA210 to x y Lv Mode with press MODE button 2 Switch the MEM channel to Channel 01 with up or down arrow on CA210 3 The LCD indicator on CA210 will show 313 8 y 329 8 Lv 180 15cd m2 4 Adjust the R G Bof color3 on factory window until CA210 indicator reached 313 8 y 329 8 Lv 180 15cd m2 E...

Page 35: ...15 LCD Color Monitor Lenovo LXM L15DB 35 10 Monitor Exploded View h t t p w w w w j e l n e t ...

Page 36: ...GREEN POINT 40G 58162435A MANUAL P N LABEL 45G 77 3 TRANSPARENT SHEET 51G6001 2 DRIER 52G 1185 55 LENOVO MIDDLE TAPE 52G 1186 SMALL TAPE 52G 1207 A ALUMINIUM TAPE 52G 1216 A ALUMINIUM TAPE 52G 1801 B ALUMINIUM TAPE 52G 1901 A ALUMINIUM TAPE 52G 1902 A ALUMINIUM TAPE 52G 2191 D TAPE 52G6025 11855 INSULATING SHEET 52G6025 15903 INSULATING SHEET 89G 725HAA D1 SIGNAL CABLE 89G417A18N IS POWER CORD 1 8...

Page 37: ...J45G 88607IBM R PE BAG FOR MONITOR J45G 88609 L EPE COVER J50G 600 5 HANDLE 1 J50G 600 6 HANDLE 2 J52G6020 7 PROTECT FILM J70G1501625 1B CD MANUAL J85G6118 A5 SG SHIELD CN403 33G3802 8 WAFER8P CN701 33G8027 12 WAFER 2 6P 2 0MM R A CN101 33G8027 14 H Wafer plug 40G 457624 1B CPU LABEL 40G 45762412B CBPC LABEL C403 67G305V100 3 CAPACITOR 10UF 16V C408 67G305V100 3 CAPACITOR 10UF 16V C418 67G305V100 ...

Page 38: ... R429 61G0603101 CHIPR 100OHM 5 1 10W R434 61G0603101 CHIPR 100OHM 5 1 10W R435 61G0603101 CHIPR 100OHM 5 1 10W R436 61G0603101 CHIPR 100OHM 5 1 10W R441 61G0603101 CHIPR 100OHM 5 1 10W R442 61G0603101 CHIPR 100OHM 5 1 10W R443 61G0603101 CHIPR 100OHM 5 1 10W R445 61G0603101 CHIPR 100OHM 5 1 10W R453 61G0603101 CHIPR 100OHM 5 1 10W R454 61G0603101 CHIPR 100OHM 5 1 10W R478 61G0603101 CHIPR 100OHM ...

Page 39: ...W R727 61G0603103 CHIPR 10KOHM 5 1 10W R703 61G0603202 RST CHIP 2K 1 10W 5 R405 61G0603203 RST CHIP 20K 1 10W 5 R448 61G0603222 CHIPR 2 2KOHM 5 1 10W R449 61G0603222 CHIPR 2 2KOHM 5 1 10W R409 61G0603330 CHIPR 33OHM 5 1 10W R414 61G0603330 CHIPR 33OHM 5 1 10W R403 61G0603390 0F 390OHM 1 R728 61G0603391 RST CHIP 390R 1 10W 5 R419 61G0603470 CHIPR 47OHM 5 1 10W R421 61G0603470 CHIPR 47OHM 5 1 10W R4...

Page 40: ... 12 MLCC C410 65G0603104 12 MLCC C411 65G0603104 12 MLCC C412 65G0603104 12 MLCC C413 65G0603104 12 MLCC C414 65G0603104 12 MLCC C415 65G0603104 12 MLCC C416 65G0603104 12 MLCC C417 65G0603104 12 MLCC C419 65G0603104 12 MLCC C422 65G0603104 12 MLCC C426 65G0603104 12 MLCC C428 65G0603104 12 MLCC C429 65G0603104 12 MLCC C430 65G0603104 12 MLCC C431 65G0603104 12 MLCC C439 65G0603104 12 MLCC C440 65...

Page 41: ...20OHM T FB404 71G 56K121 M GP CHIP BEAD 120OHM T FB405 71G 56K121 M GP CHIP BEAD 120OHM T FB406 71G 56K121 M GP CHIP BEAD 120OHM T D406 93G 39147SEM ZMM5V6 D408 93G 39147SEM ZMM5V6 D409 93G 39147SEM ZMM5V6 D410 93G 39147SEM ZMM5V6 D411 93G 39147SEM ZMM5V6 D412 93G 39147SEM ZMM5V6 D413 93G 39147SEM ZMM5V6 D407 93G 64 42 P BAV70 DIODE D414 93G 6432P LL4148 MINI MELF LL 34 D702 93G 6432P LL4148 MINI ...

Page 42: ...06I3 R919 61G 2J398 64 0 39OHM 5 2W NR901 61G 58080 WT NTCR R903 61G152M104 64 100KOHM 5 2W C904 63G 10747410S 0 47UF 10 250VAC C213 63G210J2242AC 0 22UF 250V C906 65G 2K152 5E6921 1500PF 10 2KV Y5P C215 65G 3J2206ET 22PF 5 3KV TDK C216 65G 3J2206ET 22PF 5 3KV TDK C901 65G305M1022BP Y2 1000PF M 250VAC Y5P C902 65G305M1022BP Y2 1000PF M 250VAC Y5P C913 65G306M4722BP 4700PF 20 400VAC C905 67G 305101...

Page 43: ... 51 KOHM 5 1 R236 61G0603621 RST CHIPR 620 OHM 5 1 R234 61G0603911 CHIP 910OHM 1 10W R928 61G0805102 RST CHIP 1K OHM 5 1 R926 61G0805240 1F RST CHIP 2 4 KMOHM 1 R916 61G0805240 2F RST CHIP 24 KMOHM 1 1 R925 61G0805261 1F RST CHIPR 2 61 KOHM 1 R912 61G1206101 RST CHIP 100 OHM 5 1 R219 61G1206102 RST CHIP 1K OHM 5 1 R232 61G1206102 RST CHIP 1K OHM 5 1 R915 61G1206103 RST CHIP 10K OHM 5 1 R901 61G120...

Page 44: ...Z7 5B ZD901 93G 39S 20 T RLZ22BLLDS ROHM D201 93G3004 2 SR34 DO 214AA C905 6G 31502 1 5MM RIVET L902 6G 31502 1 5MM RIVET PT201 6G 31502 1 5MM RIVET T901 6G 31502 1 5MM RIVET IC903 56G 158 4 T H431BA Q207 57G 414 2 MPS3906 Q205 57G 417 3 T MPS3904 Q902 57G 419 PP T 2PC945P Q901 57G 420 PP T TRANSISTOR 2PA733P R917 61G 17210052T 10OHM 5 1 4W R930 61G 17210152T 100 OHM 5 1 4W R918 61G 17210352T CFR ...

Page 45: ...SR 150UF 25V 8 7MM FB903 71G 55 19 T FERRITE BEAD FB901 71G 55 29 Φ3 5 Φ0 8 2 2 100MM D901 93G 6026W52T FR107 DO 41 1000V 1A D902 93G 6038T52T FR103 DO 41 200V 1A D205 93G 64 1152T DIODE 1N4148 DO 35 D207 93G 64 1152T DIODE 1N4148 DO 35 D209 93G 64 1152T DIODE 1N4148 DO 35 D903 93G 64 1152T DIODE 1N4148 DO 35 715G1034 5 POWER BOARD PCB PARENT NO 705L 780 57 02 CN901 ASS Y CN901 87G 501 12 CJ AC SO...

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