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Dell ST2010 Service Manual

Dell ST2010 Service Manual

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Service Manual

Service Manual
LCD Monitor ST2010
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Summary of Contents for Dell ST2010

  • Page 1: Service Manual

    Service Manual Service Manual LCD Monitor ST2010 - 0 -...
  • Page 2 Copyright 2007 InnoLux Display. Corp. Ltd All Rights Reserved This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to a electronic or machine readable form without prior written permission of Foxconn Tech. Corp. Ltd. Dell ST2010 Service Manual...
  • Page 3: Table Of Contents

    ONNECTOR SSIGNMENT 8. K ..............................ARTS SSIGNMENTS CHAPTER 4- DISASSEMBLY & ASSEMBLY .......................... 1. E ................................XPLODED IAGRAM 2. ST2010 D .............................. ISASSEMBLY LOCK 3. ST2010 A ..............................SSEMBLY LOCK CHAPTER 5- TEST AND ADJUSTMENT ..........................5.1 F ..............................UNCTION KEY EFINITIONS 5.2 OSD...
  • Page 4: Chapter 1- Precautions & Safety Notices

    Service Manual Chapter 1- PRECAUTIONS & SAFETY NOTICES SAFETY PRECAUTIONS This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user. WARNINGS: This monitor should be operated only at the correct power sources indicated on the rating label on the rear cover of the monitor.
  • Page 5: Chapter 2- Service Tools & Equipment Required

    Service Manual Chapter 2- SERVICE TOOLS & EQUIPMENT REQUIRED 1. SIGNAL GENERATOR 2. MULTIMETER 3. SCREW DRIVER 4. OSCILLOSCOPE 5. Soldering IRON 6. SOLDER (Lead free, RoHS compliance) 7. Color Analyzer 8. Fox_VISP_Programmer 9. Fox_VEDID_Programmer...
  • Page 6: Chapter 3- Circuit Theory

    Chapter 3- CIRCUIT THEORY 1.Block Diagram Dell ST2010 consists of a main body and a stand (base). The main body contains a LCD module with 2 CCFL lamps, There are 4pcs PCBA in this monitor, one is power& inverter which is a single layer board, one is interface board, one is function keypad which is OSD control located on the right side back cover,one is power DC_on/off key.
  • Page 7 Service Manual Panel Interface Brightness /ON_OFF Control Panel Vcc on/off switch AP1117E33A LM1117M-3.3 AP1117E18 LM1117M-1.8 Scalar 1.8V OSD/KEY 24C16 XTAL TSUMU58EDJ-LF 14.318MHz dynamic contrast ratio Flash power saving control EDID EDID 24C02 24C02 HDMI Connector VGA Connector Fig.1...
  • Page 8: Electronic Circuit Theory

    Service Manual 2.Electronic Circuit Theory 2.1 Inverter PWM circuit 2.1.1 Inverter Control circuit operations:(fig.2) +13V 3.3n 3.3n DRV2 DRV1 AP9971 PIN1 R1 10R PIN2 PIN3 DRV1 DRV2 PIN4 PIN5 VDDA PIN6 PIN7 SSTCMP PIN8 R4 560K PIN9 OLP2 PIN10 PIN11 BAV70 OLP1 +13V...
  • Page 9 Service Manual power MOSFETs to regulate the CCFL current. 2.1.2 Output Circuit and Protection Circuit operations:(fig.3) DRV1 3pF/3KV 12pF/3KV +13V ISEN DRV2 680u/25V DIP EEL19 SPW-054 3pF/3KV PIN1 PIN2 PIN3 DIM/ON/OFF PIN4 PIN5 PIN6 PIN7 ISEN PIN8 PIN9 PIN10 DRV2 PIN11 PIN12 +13V...
  • Page 10 Service Manual Fig.4 2.2.2) AC Input and EMI Filter:(fig.5) Fig.5 CN850 is a connector for connecting AC Power. F850 is a fuse to protect all the circuit AC. Input voltage is from 90V to 264V. R850 and R851 are joined between two inputting main circuit to prevent man from shock.
  • Page 11 Service Manual D850 BL4-06 R853 C854 0.2R 100u/450V C875 R880 D853 4700p/250V TVS-P6KE170A 82K 2W Sign al_ GND D851 FR10-10-LF R856 D852 10 1% SF10-04 C855 10u/50V C872 Q850 CN852 AP2764 NC/100P/1KV G ate R855 Ise n se R869 Signal_GND 0R68 2W CON8PIN ZD881...
  • Page 12 Service Manual R849 220R C846 I sense CN852 220pF/50V NPO D849 Gate U850 LD7575 Signal_GND Isense R842 Signal_GND COMP R847 C847 R846 Open 100K/ 1% R843 C849 C848 100nF/50VX CON8PIN 1nF/50V NPO Signal_GND Signal_GND Signal_GND R848 R841 10K/NC Signal_GND Fig.6 D850 is a rectifier in which there are 4 build-in diodes, inverting AC to DC.
  • Page 13 Service Manual normal operating. The typical current mode PWM controller feedbacks both current signal and voltage signal to close the control loop and achieve ragulation.U850 detects the Q850 current from Isense pin which max voltage is set as 0.85V, then the Q850 current can be calculated as:I peak=0.85V/R869,When the sense voltage across the sense resistor R869, reaches the threshold voltage over 0.85V, the output GATE drive will be turned off.
  • Page 14 Service Manual energy when current is reversed. The parts including C862, C863 C864 andL852 are used to smooth the current waves that are from D855, then 13V voltage is supplied. D856 is a SCHTKY diode used to rectify the inducted current.C866 and R866 are used to store energy when current is reversed,The components including C867,C868andL851, C867 and C868 are used to smooth the current waves,then DC+5V voltage is supplied.
  • Page 15: Factory Preset Timing Table

    Service Manual HDMI cable the U105#3pin will receive a high signal and system enter self test mode when exit factory mode(the device must set at HDMI input mode ). - U204 is an EEPROM IC which is memory and HDMI input EDID data saved in it ,the U204 power is supplied by PC via CN201#18 through D201, or supplied by Monitor self via D201.
  • Page 16: Power On/Off Sequency

    Service Manual Resolution Pixel clock H-sync V-sy (unit:MHz) (unit:KHz) (unit :Hz) 640x480 25.17 31.47 59.94 640x480 31.50 37.50 75.00 720x400 28.32 31.47 70.08 800x600 40.00 37.88 60.32 800x600 49.50 46.88 75.00 1024x768 65.00 48.36 60.00 1024x768 78.75 60.02 75.03 1152x864 108.00 67.50 75.00...
  • Page 17 Service Manual Software power On/Off - When press power key, U105 #119 receives low pulse, then U105(TSUM58EDJ-LF) will be wake up and send control signals(at U105#125pin and #73Pin) to on CCFL and switch 5.0v to panel module, at the same time,U105 make the VGA/HDMI cable input signal source display normal on panel if the VGA/HDMI cable input signal is active If power ON, U105 #123 (LED_blue) will send out low potential, and then LED blue on.
  • Page 18: D-Sub Connector Pin Assignment

    Service Manual Power supply for panel+5V V Signals Valid data (Digital RGB, HS, VS, DE, CLOCK) Power supply for backlight T1(ms) T2 (ms) T3 (ms) T4 (ms) T5 (ms) T6 (ms) T7(ms) SPEC(Samsun 0.3~10 0.0~50 >500 >100 0.0~50 >1000 5. D-SUB Connector Pin Assignment Symbol Symbol Symbol...
  • Page 19 Service Manual Symbol Description Panel_Vcc Panel power supply (typ.5.0V) Panel_Vcc Panel power supply (typ. 5.0V) Panel_Vcc Panel power supply (typ. 5.0V) GND_LVDS LVDS Ground RXE3+ LVDS signal of even channel 3(-) RXE3- LVDS signal of even channel 3(+) RXEC+ LVDS signal of even channel clock (+) RXEC- LVDS signal of even channel clock (-) RXE2+...
  • Page 20 Service Manual...
  • Page 21: Key Parts Pin Assignments

    Service Manual 8. Key Parts Pin Assignments 8.1 U105(TSUMU58EDJ-LF)
  • Page 22 Service Manual...
  • Page 23 Service Manual...
  • Page 24 Service Manual...
  • Page 25 Service Manual 8.2 U108 (Serial Flash) Symbol Description The device is enabled by a high to low transition on CE#. CE# must remain low for the duration of any command sequence. To transfer commands, addresses, or data serially into the device. The write protect (WP#) pin is used to enable/disable BPL bit in the status register.
  • Page 26 Service Manual 8.3 U850 (LD7575, Power Controller) Symbol Description This pin is to program the switching frequency Voltage feedback pin,By connecting a COMP photo-coupler to close the control loop and achieve the regulation Current sence pin PWM output ,Gate drive output to drive the external MOSFET Power supply Unconnected pin...
  • Page 27: Chapter 4- Disassembly & Assembly

    Service Manual Chapter 4- Disassembly & Assembly 1. Exploded Diagram...
  • Page 28 Service Manual...
  • Page 29: St2010 Disassembly Block

    Service Manual 2. ST2010 Disassembly Block LE20Q 5 DIS AS S EMBLY BLO CK ke ypa d boa rd*1 S cre w,P ,Cross, FINAL AS S Y*1 T,T-2*3,BLK* (P ,Cross,M4*8,BLACK-NL)*3 logo pla te *1 (I,Cross,M3*4,Zn-Cc)*4 Button powe r *1 P ANEL*1...
  • Page 30: St2010 Assembly Block

    Service Manual 3. ST2010 Assembly Block...
  • Page 31 Service Manual LE 20Q 5 AS S E MBLY BLO C K Chassis*1 Button_powe r *1 C HAS S IS AS S Y *1 E MI clip * front be ze l *1 MYLAR F O R C HAS S IS *1 logo pla te *1 I/F boa rd *1 Back cover*1...
  • Page 32 Service Manual...
  • Page 33: Chapter 5- Test And Adjustment

    Service Manual Chapter 5- TEST AND ADJUSTMENT 5.1 Function key Definitions Control buttons on the front bezel 5.1.1 Control buttons on the front bezel CONTROL KEY KEYS FUNCTION Personalize 1 Execute Personalize 1 function Personalize 2 Execute Personalize 2 function Menu Enter main menu Exit...
  • Page 34: Osd Control

    Service Manual [Ù] [Ú] MENU Exit POWER Ú [[Ù]] Press & [ ] at the same time, and power then press ● ● FACTORY MODE [POWER] for DC power on. Press the [Ù] key to enter factory menu 5.2 OSD control First Second Third...
  • Page 35: Osd Message

    Service Manual Menu Transparency Menu Timer Menu Lock Unlock Lock DDC/CI Enable Disable LCD Conditioning Disable Enable Factory Reset Personalize Shortcutkey1 Preset Modes Brightness /Contrast Auto Adjust Input Source Shortcutkey2 Preset Modes Brightness /Contrast Auto Adjust Input Source In OSD dialog box, should show current input video signal (1Auto select, 2 VGA, 3 HDMI ), current model resolution @ Ver.
  • Page 36: Burn-In Pattern

    Color Temp: The R, G, B of Blue Preset (9300K), Red Preset (5700K) and Normal Preset (6500K) are generated from scaling chip’s back-end white-balance program. Time: Turn-on time of the panel. DEBUG: Debug tool of scale IC U105. Dell panel P/N PANEL Supplier P/N CODE PANEL...
  • Page 37: Auto Color Balance (Automatically Calibrate Chip Adc Parameter By Using Chip Internal Dac.)

    Service Manual 5.5 Auto Color Balance (Automatically calibrate chip ADC parameter by using chip internal DAC.) 5.1 If it is a new-built set, press “Auto/Plus” button to execute “Auto Color” at standard video pattern 5-MOSAIC pattern 5.2 Please confirm the following steps to perform “Auto Color Balance”: - Connect the VGA cable with the standard video pattern generator and display pattern on the monitor.
  • Page 38 Service Manual Fig 11 ※ The detailed reprogramming procedures will be described in ISP User's Guide. Edid 8.4.rar Edid.rar ISP User's Guide_20070312.rar ISP_Tool V4.100.rar After repair, to ensure the quality you should do the following test and adjustment.
  • Page 39 Service Manual Item Content Equipment Test OSD 1.Signal is set as 1280×1024@60Hz under General-1 Chroma function 2. LCM button are from left to right, checking whether each Signal Generator single function key and compound function key can be worked. Contrast Check 1.
  • Page 40: Chapter 6- Trouble Shooting

    Service Manual Chapter 6- TROUBLE SHOOTING Remark: Press the upper side of the round cover to remove it. The round cover (circle red) located in the cente the rear cover is design hid rear cover molding It’s required to remove repairing since under w there are screws.
  • Page 41: No Power Supply

    Service Manual change panel. If the self-test pattern is moving on the screen, please check whether VGA Cable is plugged in the Monitor or PC if select analog model on OSD or check whether HDMI Cable is plugged in the Monitor or PC if select HDMI model on OSD .
  • Page 42: Power (Include If +5Vand +3.3V) Supply Normal But Led Off And No Display

    Service Manual 3. Power (include IF +5Vand +3.3V) supply normal but LED off and no display Is the key function OK? Press power key to DC on the monitor,if d ok the process is end , if no display but LE function ok see the no backlight process Is the frequency 14.318MHz at #128 of Change crystal X101...
  • Page 43: Power (Include If +5Vand +3.3V) Supply Normal But Led Amber

    Service Manual 5. Power (include IF +5Vand +3.3V) supply normal but LED Amber Is Power LED Amber? Do the Hsync. & Vsync. Signals exist Insert VGA Cable correctly in CN102 #13& #14 separately when select VGA mode by OSD? Do the Hsync. & Vsync. Signals exist Check R135 &...
  • Page 44: Power Include If +5V And +3.3V) Supply Normal Key Function Ok, But Backlight Can Tbe Turned On

    Service Manual 6. Power (include IF +5Vand +3.3V) supply normal ,key function OK,but backlight can’t be turned on Backlight cannot be turned on,is the Is the CN851 on-off control signal come from IF ok? inserted CN101 OK? Is the on-off control signal #109 of U105 high-low convertible when DC on/off Change U105 Is the...
  • Page 45 Service Manual 7. Backlight on,key function and LED accurate indication ok but no picture Backlight on,key function and LED accurate indication ok but no picture Is the panel enable signal at 73# of IS the display is white and cannot Check DC 5.0V on U105,if no check display OSD when press key?
  • Page 46: At 32-Gray Scale Pattern, Color Lost In Some Scale

    Service Manual 8. At 32-gray scale pattern, color lost in some scale Color lost in some scale at 32-gray scale pattern Re-insert the FFC Cable Change FFC Cable Check crystal circuit, if the wave of 14.318MHz signal is normal change U105 else change X101...
  • Page 47: Chapter 7- Recommended Part List

    Service Manual Chapter 7- RECOMMENDED PART LIST ST2010 Critical Parts List ST2010 Critical Parts List Component Component Itm Category Type Location Supplier number Suppiler PN Object description Purpose Power IC LD7575PS PWM Control Function U850 LEADTREND, 412000453820R LD7575 Control IC...
  • Page 48: Attachment 1- Bill Of Material

    Service Manual IC CAT24C02WI-TE13 CATALYST 412000480990R CAT24FC02WI-TE13 SOIC-8(CATALYST)RoHS IC AS24C02T 2K A1SEMI 412000769830R AS24C02T 2K SOIC8(A1SEMI)RoHS Performance EEPROM U103,U204 EEPROM IC M24C02-WMN6TP SO8 2K 412000480280R M24C02-WMN6TP (ST) IC AT24C02BN-SH-T 2K ATMEL 412000435481R AT24C02BN-SH-T 2K SOIC8(ATMEL)RoHS IC AT24C16BN-SH-T ATMEL 412000224482R AT24C16BN-SH-T 16K(ATMEL) SOIC 8 ROHS IC M24C16-WMN6TP SO8 16K Performance EEPROM...
  • Page 49 Service Manual ITEM Phant.item P/N Description Supplier PCBA,P/I BOARD,W/O SPK,LE20Q5-817 792821400800R ROHS PCBA,P/I BOARD,W/O SPK,MI,LE20Q5-817 10 x 792821420800R PCBA,P/I BOARD,W/O SPK,AI,LE20Q5-817 792821410800R PCBA,CONTROL/B(PWR LD7575),LE20P9 792552100B00R RoHS 792812200700R PCBA,CONTROL/B(INV INL816),LE19S1, RoHS 50 x 735110010900R ASSY,H/S,Q850, LP20P9,ROHS 511130001200R SOLDER BAR,Sn96.5/Ag3.0/Cu0.5/Ni0.06/Ge0 TOMAS, 511110000501R SILICONE RTV RUBBER,UB-511(EURO) EURO, 511110000103R...
  • Page 50 Service Manual ITEM Phant.item P/N Description Supplier PCBA,P/I BOARD,W/O SPK,AI,LE20Q5-817 792821410800R 10 x 792821450800R PCBA,P/I BOARD,W/O SPK,AI/A,LE20Q5-817 20 x 792821460800R PCBA,P/I BOARD,W/O SPK,AI/R,LE20Q5-817 ITEM Phant.item P/N Description Supplier PCBA,P/I BOARD,W/O SPK,MI,LE20Q5-817 792821420800R 430637020030R WFR. 2P P=3.5mm 90°W/LOCK,RoHS CVILUX,FCN,FOXCONN, 440149000350R SKT AC 10A/250V U/C/V, H 1.0MM ROHS TECX, 418112051520R CAP CD NPO 12pF 3KV J,S7.5, RoHS...
  • Page 51 Service Manual ITEM Phant.item P/N Description Supplier PCBA,CONTROL/B(PWR 792552140B00R LD7575),SMD,LE20P9 R 419312210060R C SMD(0603) X7R 220PF/50V K RoHS DARFON,TDK,WALSIN,YAGEO, 419311040060R C SMD(0603) X7R 0.1uF/50V K RoHS DARFON,TDK,WALSIN,YAGEO, 419311020060R C SMD(0603) X7R 1000PF/50V K RoHS DARFON,TDK,WALSIN,YAGEO, 414904020350R RES SMD (1206) 20KΩ J,RT RoHS TA-I,UNIOHM,WALSIN,YAGEO, 414916010410R RES SMD (0603) 100K F,RT RoHS...
  • Page 52 Service Manual ITEM Phant.item P/N Description Supplier 792821450800R PCBA,P/I BOARD,W/O SPK,AI/A,LE20Q5-817 411032006020R DIO FR10-10-LF 1000V/1A AT(FRO NTIER)RoH FRONTIER, 411032006040R DIO FR107 1000V/1A DO-41(MOSPE C)RoHS MOSPEC, 411020053090R DIO PS1010R 1000V/1A DO-41(PAN JIT)RoHS PANJIT, 411020064090R DIO ER104 400V/1A DO-41(PANJIT RoHS PANJIT, 411032001020R DIO SF10-04-LF 400V/1A DO-41(F RONTIER)R FRONTIER, 411020080090R DIO P6KE170A 600W/100A DO-15(PANJIT)...
  • Page 53 Service Manual ITEM P/N Description Supplier Usage Un Location 792821300800R PCBA,I/F BOARD,W/O SPK,LE20Q5-817 10 792821320800R PCBA,I/F BOARD,W/O SPK,MI,LE20Q5 1 PC 20 792821340800R PCBA,I/F BOARD,W/O SPK,SMT,LE20Q5- 1 PC 30 629030029300R PROGRAM,W/O SPK,LE20Q5-817 ROHS 1 PC SOLDER 40 511130001200R TOMAS, 2.6 G BAR,Sn96.5/Ag3.0/Cu0.5/Ni0.06/Ge0 ITEM P/N Description...
  • Page 54 Service Manual DARFON,MURATA, 100 419302200510R C SMD(0402) NPO 22PF/50V J,RoHS 2 PC C157,C158, TDK,WALSIN,YAGEO, 110 411020026210R DIO BAV99 350mW 70V SOT-23(PHI RoHS PHILIPS, 4 PC D102,D103,D104,D105, A 110 411020026090R DIO BAV99 350mW 75V SOT-23(PEC RoHS PANJIT, 0 PC 110 411020026440R DIO LBAV99LT1G SOT23(LRC)RoHS LRC, 0 PC 120 411090058090R SCHTKY BAT54C 30V/0.2A SOT-23(PEC) PANJIT,...
  • Page 55 Service Manual 330 412000330020R IC LD1117AL-1.8V-A SOT223(UTC) RoHS UTC, 1 PC U102, 330 412000599990H IC EC50117BBG 1.8V SOT223(E-CMOS) E-CMOS, 0 PC IC AS1117L-1.8/TR-LF,SOT223(A1 330 412000330830R A1SEMI, 0 PC SEMI)RoHS 330 412000330070R IC AZ1117H-1.8 SOT223(AAC)RoHS BCD, 0 PC 340 412000435481R IC AT24C02BN-SH-T 2K SOIC8(ATMEL)RoHS ATMEL, 2 PC U103,U204, 340 412000769830R IC AS24C02ID-18/TR-LF SOP8(A1SEMI)
  • Page 56 10 453070800150R PWR CORD 10A/125V BLK 6FT UL/CSA SVT 3Cx Foxconn,I-shen 1 PC Foxconn,JVE 20 453010100320R CABLE D-SUB 15P MALE 6FT BLACK/BLUE AB 8 1 PC HOTRON,廣宇 30 714074083001R ASSY,FINAL(B+S)W/O SPK,LE20Q5-817(ST2010 1 PC 40 713100015900R ASSY, PACKAGE, PACK, DAO,LE20Q5 1 PC ITEM Description Supplier...
  • Page 57 100 506060018000R Cushion EPS-TOP ,LE20Q5 東揚, 1 PC 110 506060018001R Cushion EPS-BOTTON ,LE20Q5 東揚, 1 PC 120 506340004700R LABEL BLANK 101X50mm DELL EMEA CARTON 高綺,鍵升, 1 PC 130 506380002622R TAPE, WRAPPING TYPE PRINTED(DELL), BLACK 佳普森, 0.0015 ROL A 140 713010008102R ASSY PACK,40HQ,LE20Q5...
  • Page 58 Supplier Usage Un 714030027600R FRONT-BEZEL-ASSY,LE20Q5 10 501010227000R FRONT-BEZEL,LE20Q5 MMP, 1 PC 20 751020200100R SUB,POWER BUTTON,,LASER ETCH,LE20Q5 PCM, 1 PC 30 501110500301R LOGO PALTE DELL Apollo 4 1 PC ITEM Description Supplier Usage Un 714077440700R BACK-COVER-ASSY,LE20Q5 10 501020233300R BACK COVER,LE20Q5 MMP,...
  • Page 59 Service Manual 60 502210100300R KENSINGTON LOCK LP1703 ROHS MMP, 1 PC ITEM Description Supplier Usage Un 714084083001R ASSY,PANEL,W/O SPK,LE20Q5-817(ST2010) 10 631102200530RD LCP 20.0"LTM200KT03-C02(A)(SAMSUNG)ROHS 1 PC 20 701000016500R CHASSIS-ASSY,LE20Q5 MMP, 1 PC 30 506380001730R TAPE ACE 85x20mm LE1913 久威, 1 PC 40 509146306202R SCREW,P,CROSS,W/WAS(7.8),M3*6,Zn-Cc,ROHS...
  • Page 60: Attachment 2- Schematic

    Service Manual Attachment 2- Schematic 1. Interface board schematic...
  • Page 61: Contents

    Service Manual ST2010 History Title page Rev01(movk up ): 1.0 Top level Initial 2.0 contents Rev02(proto1): Delete R105 R156 3.0 VGA input Delete CCFL_ON_OFF signal Delete R102 R103 R106 Q103 4.0 HDMI input Delete FB204~207 5.0 Scalar Rev03(proto3): DeleteD202 D203 6.0 DC input...
  • Page 62: Vga Input

    Service Manual 3.0 VGA input 5.0 scalar RED+ RED+ RED- RED- GREEN+ GREEN+ GREEN- GREEN- BLUE+ BLUE+ BLUE- BLUE- HSY NC HSYNC VSY NC VSY NC 6.0 DC input DDC_SCL_VGA DDC_SCL_VGA DDC_SDA_VGA DDC_SDA_VGA VGA_DET VGA_DET BRIGHTNESS BRIGHTNESS WP_EDID_VGA WP_EDID_VGA PANEL_ENABLE PANEL_ENABLE PWR_sav e PWR_sav e...
  • Page 63: Hdmi Input

    Service Manual Note 1 CN102 DZ11AA1-H5W6-4F RB101 R114 75 1% C113 R0603 RB102 R115 75 1% C114 R0603 RB103 R116 75 1% C115 R0603 VGA5V C116 C117 C118 R122 75 1% C119 R123 75 1% C120 R124 75 1% C121 VGA_DET D102 D103...
  • Page 64: Scalar

    Service Manual Note: 1. Each bypass capacitor (0.1u/16V) must be respectively closed to pin that is DC power input of scaler IC. VDDP_33 AVDD_33 VDDC_18 AVDD_18 VCC_3.3V VCC_3.3V VDDP_33 Note AVDD_33 FB102 60Ω C150 47u/16V RED+ RIN0P R153 RED- RIN0M GPIO_P00/SAR0 R154 GREEN+...
  • Page 65: Dc Input

    C108 0.1/16V R109 C111 C104 0.1/16V C102 100u/16V 0.1/16V R107 PANEL_ENABLE Q104 PMBT3904 R108 C112 4.7u/16V BRIGHTNESS T-HOLESCREW T-HOLESCREW Title DC input Size Document Number <Doc> Date: Monday , February 09, 2009 E:\ST2010\proto3\ dell st2010 pvt.pdf 2. OSD keypad schematic...
  • Page 66 CON--JWT-A1258WR04PS DOWN MENU EXIT ZD04 ZD02 ZD06 ZD03 ZD05 ZD07 KEY ACTIVE STATUS ADC_KEY1 ADC_KEY2 DOWN 1.06V 1.06V EXIT 1.49V MENU(SELECT) 1.49V Title ST2010 Size Document Number Function keypad Date: Tuesday , December 30, 2008 Sheet 3. Power keypad schematic...
  • Page 67 Service Manual CN01 CON--JWT-A1258WV04PS LED01 ZD01 POWER Title ST2010 Size Document Number KEYPAD--POW ER Custom Date: Tuesday , December 30, 2008 Sheet...
  • Page 68 Service Manual power board schematic...
  • Page 69 Service Manual...
  • Page 70 Service Manual...
  • Page 71 Service Manual L852 C862 R862 CHK-053 1000p/1000V 10R 2W/JUMP D850 BL4-06 D854 NC/SF5-20 C863 C864 T850 R853 SPW-119 470u/25V 470u/25V D855 SF5-20 C854 0.2R 100u/450V C875 R880 D853 4700p/250V TVS-P6KE170A 82K 2W Signal_GND D851 L850 FR10-10-LF R856 D852 C866 R866 1000p/1000V 10R 2W/JUMP 10 1%...
  • Page 72 Service Manual Attachment 3- PCB Layout Power/inverter board: Top Layer...
  • Page 73 Service Manual Bottom Layer...
  • Page 74 Service Manual I/F board: Top Layer Bottom Layer...
  • Page 75 Service Manual Keypad:...
  • Page 76 Service Manual...

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