Home

Service Manual

Contents

1. 1 Each bypass capacitor 0 1u 16V must be respectively closed to pin that is DC power input of scaler IC 3 30 VDDP 33 Note AVDD 33 AVDD 33 VDDC 18 AVDD 18 VoDP FB102 ji 600 zl zl al zl zl zl zl 2l al al zl 85885848952 amp 7 mannamaannan s 5 ds 888 8888 7 2323302 ss 25 3355 5 E con gees 8959555595555 E E a RED RINOP 222 lt JE pes posano 118 ND GREEN GINOP GPIO POUSAR 122 3 GREEN GINOM GPIO P02 SAR2 Har 18 18 3 SOGINO GPIO PDS SAR3 454 3 18030 123 mes 3 BLUE GPIO Hi 7 3 HSYNI HSYNCO GPIO P14 PWMO 3 VSYNCO B m SDA VGA DDCA SDA RS232 TX pis H 71 C143 C144 C145 C146 C147 6 01164 02 16 ag 4 med ner GPIO P44 4 me REN so 4 ma RXIP H 4 RXIN GPIO xo RDP E 4 Ro RON GPlo 735 100 4
2. 4 POWER ON OFF SEQUENCY 5 D SUB CONNECTOR ASSIGNMENT 6 AC OUTLET 1 7 INNER CONNECTOR PIN 1 8 KEY PARTS PIN 1 eese eene eene nnn CHAPTER 4 DISASSEMBLY amp ASSEMBLY 1 EXPLODED DIAGRAM 5 2 2 2209WA DISASSEMBLY u a la anna 3 ASSEMBLY BLOCK Ra u L a CHAPTER 5 TEST AND ADJU
3. serene nnn 4 BACKLIGHT T BE TURNED ON 5 NO PICTURE 6 AT 32 GRAY SCALE PATTERN COLOR LOST IN SOME 5 CHAPTER 7 RECOMMENDED PART LIST ATTACHMENT 1 BILL OF MATERIAL L ATTACHMENT 2 5 ATTACHMENT 3 Service Manual Chapter 1 PRECAUTIONS amp 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 indicat
4. Symbol Description 1 High voltage for lamp 2 LV Low voltage for lamp N104 Connect to keypad WAFER2 4P or compatible connector Pin Symbol Description 1 OSD MENU control 2 PLUS OSD PLUS control and Brightness adjustable hot key 3 MINUS OSD MINUS control 4 ENTER OSD ENTER SELECT control 5 LED_blue LED blue on off control 6 GND Ground 7 LED_Amber LED amber on off control 8 POWER OSD POWER control 23 Service Manual 8 Key Parts Pin Assignments 8 1 UIOS TSUMUSSEHJ LF PIN DESCRIPTION Analog Interface Pin Name Pin Type Schmitt Trigger Input w 5V tolerant Function Analog HSYNC Input Schmitt Trigger Input w 5V tolerant Analog VSYNC Input Internal ADC Top De Coupling Pin Internal ADC Bottom De Coupling Pin Analog Input Analog Red Input Analog Input Reference Ground for Analog Red Input Analog Input Sync On Green Input Analog Input Analog Green Input Analog Input Analog Input Analog Input Reference Ground for Analog Green Input Analog Blue Input Reference Ground for Analog Blue Input External Resistor 390 ohm to AVDD 33 22 7 DVI Interface name Pin Type DVI Input DVI Input Function Negative DVI Input for Data Channel 0 Positive DVI Input for Data Channel 0 DVI Input Negative DVI Input for Data Channel 1 DVI Input Positive DVI Input
5. Input w 5V tolerant Chip Reset High Reset Input Chip Configuration Input 10K ohm pull low for normal operation 26 DELL Service Manual Pin Pin Type Function DDCD_SDA I O w 5V tolerant DDC Data and HDCP Slave Serial Port Data for DVI Interface 4mA driving strength DDCD_SCL Input w 5V tolerant DDC Clock and HDCP Slave Serial Port Clock for DVI Interface DDCA_SDA I O w 5V tolerant DDC Data for Analog Interface RS232_TX UART Transmitter General Purpose Input Output 4mA driving strength DDCA_SCL I O w 5V tolerant DDC Clock for Analog Interface RS232_RX UART Receiver General Purpose Input Output 4mA driving strength I O w 5V tolerant 2 Master Data General Purpose Input Output 4mA driving strength I O w 5V tolerant I2C Master Clock General Purpose Input Output 4mA driving strength Crystal Oscillator Input Xin Crystal Oscillator Output Xout Function 3 3V Power Analog Power 8 14 20 1 8V Power Analog Power 21 3 3V Power Digital Output Power 40 58 59 71 87 107 114 1 8V Power Digital Core Power 53 74 104 126 Ground Ground 1 11 17 29 52 62 63 68 69 72 88 101 105 106 113 No Connects Pin Type Function in No Connect Leave These Pins Floating 54 60 61 64 67 89 90 112 8 2 0108 Serial Flash Pin Symbol Description 1
6. Service Manual Service Manual LCD Monitor 2209WA Service Manual Versions and Revision No Version Release Date Revision 1 1 0 2008 10 17 Initial Release Copyright Copyright 2007 InnoLux Display Corp Ltd Rights Reserved This manual may not in whole or in part be copied Photocopied reproduced translated or converted electronic or machine readable form without prior written permission of Foxconn Tech Corp Ltd Dell 2209WA Service Manual Service Manual Table of Contents CHAPTER 1 PRECAUTIONS amp SAFETY NOTICES 1 5 2 PRODUCT NOTICEN EE 3 ES CHAPTER 2 SERVICE TOOLS amp EQUIPMENT REQUIRELD CHAPTER 3 CIRCUIT THEORY dese era E etos Posset aras apodo cce 1 BLOCK DIAGRAM RET 2 ELECTRONIC 34 rn osp nares 3 FACTORY PRESET TIMING TABLE eere
7. ESN ON 8008 01 34 USB convert board
8. The device is enabled by high to low transition on must remain low for the duration of any command sequence 2 SO VO To transfer commands addresses or data serially into the device 3 WP IO The write protect WP pin is used to enable disable BPL bit in the status register 4 VSS G Connect ground 27 Service Manual 5 SI I O To transfer commands addresses or data serially into the device input are latched on the rising edge of the serial clock SCK I O To provide the timing of serial interface Commands addresses or input data are latched on the rising edge of the clock input while output data 15 shifted out on the Falling edge of the clock input HOLD I O To temporarily stop serial communication with SPI flash memory without resetting the device VDD To provide power supply 28 Service Manual 8 3 U950 LD7575 stand by Power Controller Pin Symbol Description 1 This is to program the switching frequency I Voltage feedback pin By connecting a 2 COMP photo coupler to close the control loop and achieve the regulation 3 CS I Current sence pin 4 GND 5 OUT O PWM output Gate drive output to drive the external MOSFET 6 VCC I Power supply 7 Unconnected pin 8 HV I PWM output 8 4 U1
9. ATTACHMENT 1 of Material 1 main board BOM P N Description Supplier 791921200A00R BOARD W O SPK LP2236 A19 ROHS 10 791921220A00R PCBA MAIN BOARD W O SPK MI LP2236 A19 RO 20 791921210A00R BOARD W O SPK AI LP2236 A19 RO 30 629030023600R PROGRAM SPK LE23M7 A18 ROHS 40 641120000010R HDCP RECEIVE DEVICE KEY DCP LLC 50 5111300012008 SOLDER BAR Sn96 5 Ag3 0 Cu0 5 Ni0 06 GeO TOMAS 60 5111100005018 SILICONE RTV RUBBER UB 511 EURO EURO 70 511110000103R HOT MELT ADHESIVES UB 618 U BOND 70 511110000101R HOT MELT ADHESIVES 526 EXCELSTAR ITEM P N Description Supplier 791921210A00R BOARD W O SPK AI LP2236 A19 RO 10 791921250 0 PCBA MAIN BOARD W O SPK AI A LP2236 A19 20 791921260A00R BOARD W O SPK AI R LP2236 A19 P N Description Supplier 791921220A00R PCBA MAIN BOARD W O SPK MI LP2236 A19 RO 51 Usage Location 2 aN 14 0 45 2 1 Usage Location Usage Location Service Manual 10 416193343012R MEX 0 33uF 275V X2 F15mm RoHS 2 852 EUROPTRONIC HJC SCC 20 416211023620R MEY 1000pF 250V M Y1 F10mm W O FORMI JNC POE SUCCESS SEC 4 C885 CE 30 416212223620R MEY 2200pF 250V MY1 F10mm W O FORM JNC POE SUCCESS SEC 3 850 40 420271214585R CAP SE 120UF 450V M 105 C CF 18X45 BLA ELITE SAMXON SU SCON 1 C854 50 416351054011R MPPN ROUND 1UF 450V F15 MINI EUROPTRONIC 1
10. Service Manual 24V ON OFF circuit PFC PWM controller Feedback 470 66901 control PFC PWM i control control Feedback 24V DC output to Inverter Bulk Main Power Transfor and PFC boost ircui E Isolate Rectifier and circuit HI filter circuit transformer 12V DC regulator and 3 12V DC output Rectifier amp ON OFF circuit P Filter Start up Circuit circuit Standby PAM Standby Transfor and controller y Isolate Rectifier and IC LD7575 Standby Power filter circuit 45V DC output AC Line Filter drensformer 24V 12V 5V DC Jack OVP circuit Feedback 4 AG in 4 Power saving G circuit OPTION 24V ON CCFL O Brightne AUDIO 5V GND AUDIO Power Contol From T Fig 4 2 2 2 Input and EMI Filter fig 5 0992 HULL 006 40001 1008 40001 WU 824102 3 850 is a connector for connecting AC Power F850 is fuse to protect all the circuit AC Input voltage is from 90V to 264V R891 R892 R893 and R894 are joined between two inputting main circuit to discharge
11. DVI RXC 4 3 COMM CHOCK COMM CHOCK COMM CHOCK COMM CHOCK NOTE CN201 FB202 FB203 FB204 FB205 must be co layed with R201 R202 R208 mount resistor at this ph DVI D CON 45V PI DVI 1 DVI RX2 R201 10 RX2 RX2 5 wae DW RX R20 10 k GND 3 DVI RXI R203 10 RXI RXI 5 DVI RXI R204 10 o E R205 10 RX0 R206 10 n gt o 5 1 5 pr 5 R211 GND 23 DVI RXC R207 10 3 RXC 5 RXC 2087 10 RXC 5 81 7 18 DVI SCL R209 100 6 ser 7 N E EEE EE EEE EEE B 100 5 vs H x L WP EDID 14 SCL SD 15 DVI DET DVI DET GND 16 DVI 1 1 DVI DVI DET HP RX4 D ur DVISV 12 0202 0204 0206 0208 0210 mo HEX 1 BAV99 BAV99 BAvss 120 a J X DVI5V gt 4 gt a C211 S I 0 1 16V d 5 5 x HPD DVI 5 E 0203 0205 0207 0209 2 9 2 BAVes 2 BAVes 5 8 8 8 8 E R2 ee ea 126 904 4 PI 207 C208 C209 C210 0 1 16V 0 1 16V 0 1 16V 0 1 16V L L GND GND 71 Service Manual Note
12. o 1515 70 GND D103 D104 D105 45V VG 3 BAV99 BAV99 BAV99 2 414 2 1 2 45V PI 25 m dl tt 4 0174 C175 C125 al 0 1 16V 0 1 16V 0 1 16V N 4 4 4 4 4 4 mi E E GND R1272 R1282 R129 4K7 gt 10K GND VGA SCL R131 100 1 VGA SDA R132 100 I 1 101 1200 8133 1K T 4 HSYNC 5 1 1 1 4 Feen 3 3 al e al 9 8 8 Note 2 o 8 8 8 a 131 70132 S 5 8 8 8 NC NC 02 2 N NI N N 4 4 GND GND Note 1 R0603 package for Bead 116 117 118 10pF are reserved for EMI or performance issue VGA ize Document Number 2 C131 C132 27 are reserved for tuning performance issue A4 Doc Pate Monday August 04 2008 Bheet 3 of 8 202 FB203 FB204 FB205 DVI RE _ 4 3 RX2 DVI RXI 4 3 RX DVI RXO 4 3 DVI 1 2 DVI RX2 2 RX2 DVI RX1 1 2 RX1 DVI RX0 2
13. 4401 NPN SOT23 PHILIPS RoHS XSTR 2 7002 01 ESD SOT 23 PHILIPS R XSTR RK7002 ESD N C SOT 23 ROHM RoHS XSTR 2N7002K ESD N C SOT 23 PEC RoH DIO SN4148 LF 75V 0 15A SMD 1206 FEC Ro DIO 1N4148W 75V 0 15A PEC RoHS SOD 123 DIO 1N4148W F 75V 0 15A DIODES RoHS SOD RES SMD 0805 68 J RT ROHS RES SMD 0805 15 8 F RT RoHS RES SMD 0805 24 F RT RoHS RES SMD 0805 2000 F RT RoHS RES SMD 0805 46 4 F RT RoHS RES SMD 0805 10 5KO F RT RoHS RES SMD 0805 86 6 F RT RoHS RES SMD 0402 20 F RT RoHS RES SMD 0805 6 8 F RT RoHS RES SMD 0805 4 7 F RT RoH S RES SMD 0402 2 7 F RT RoHS RES SMD 0805 10 F RT RoHS REV A RES SMD 0402 1 F RT RoHS RES SMD 0805 1KO F RT RoHS REV A RES SMD 0805 1000 F RT RoHS RES SMD 1206 1KO F RT RoHS RES SMD 1206 200 F RT ROHS RES SMD 0805 4700 J RT RoHS RES SMD 1206 300KO F RT RoHS REV A RES SMD 1206 1 2 F RT RoHS RES SMD 1206 20 J RT RoHS RES SMD 1206 499 F RT RoHS REV A RES SMD 1206 374 F RT RoHS 6 DARFON TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO DARFON MURATA TAIYO TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO DARFON MURATA TAIYO TDK WALSIN YAGEO DARFON MURATA TAIYO TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO APEC PHILIPS FAIRCHILD PHILIPS PHILIPS ROHM FRONTIER DIODE
14. 51056020700 f eson ew P T 56076060209 L 08601021105 semonsa 2 1 V 39015060208 Nonne ns 41 2 2005007021206 L 001122010106 962241 INOS 8 1 L MLOPELEOSOZ0S 0020200609 Geez NOH 10 1j NBU 10 ON VO 1 wo 11806 1531 ON E O NO Ud DST ROIS Ad KON 42 Service Manual 2 2209W Disassembly Block P2236 DISASSEMBLY BLOCK chasis 1 daro didi C CHASSISASSY1 spring 2 Mylar chassis 1 1 ee P oross T T 3 4 Zn 1 I F board 1 FFC CABLE 1 PO ER LENS 1 fix plate2 1 P CrossW WASM3 6Zn Co 3 P cross T T 3 4 Zn 1 BOLT 4 40 NI 4 front 1 clip gnd 3 LP1702 2 ahnen shield LP2207 4 CHASSISBTM ASSY ogo UX383 1 keypad board 1 power board 1 screw f cross I P Cross W
15. RoHS RES SMD 0603 4 F RT R4 480 414916430110R TA I WALSIN YAGEO UNIOHM 5 RoHS R5 RES SMD 0603 3 9KO F RT 490 414916390110R TA I WALSIN YAGEO UNIOHM 1 R4 500 414916470110 5 5 0603 4 7 TA I WALSIN YAGEO UNIOHM 1 5 62 Service Manual RoHS 3 keypad BOM ITEM P N Description Supplier Usage Un 791921500000R PCBA KEYPAD BOARD LP2236 A19 ROHS 10 430602680280R SW METAL DOME 180gf 5P ROHS FOXCONN HUA JIE 1 PC 20 430631080191R WFR 1 25MM 180 W LOCK ROHS JOWLE 1 20 430631080190R WFR 1 25MM 180 W LOCK ROHS FOXCONN 0 PC PCBA KEYPAD BOARD SMT LP2236 A19 30 791921540000R 1 PC ROHS ITEM P N Description Supplier Usage Un PCBA KEYPAD BOARD SMT LP2236 A19 791921540000R ROHS 10 411070093500R LED SMD KPTB 1612FX151 SZ Kingbright KINGBRIGHT 1 PC LED SMD YB 10 411070094500R HONGTONG 0 PC HTL 19 22UYUBC TR8 HongTong R 20 491881500000H PCB K P 2 4 08 LP2236 HF EXPRESS HSIANGKUO 1 PC 4 USB convert board BOM ITEM P N Description Supplier Usage Ur PCBA CONVERT B USB W O 791860300000R SPK LP1931 ROHS 10 430631080210R WFR 8P 2 0MM 90 W LOCK ROHS FOXCONN JOWLE 1 PC CAP SD 100uF 16V M 105 C CF 5x11 RoHS 2 CON USB A R A 4 POS UB11123 4R1 4F RoHS 20 420421010481R 30 442849001060R SOLDER 40 511130001200R BAR Sn96 5 Ag3 0 Cu0 5 Ni0 06 Ge0 60 491660300100 PCB CNV U 1 OSP CEM1 12 LP1931 6 Assembly BOM ITEM P N Description 822
16. J HK20 MINI ROHS 1 855 TZAI YUAN UNIOHM FUTABA QUEENMAO 200 415502128551R RES NKNP 2W 0 120 J MINI HK17 5 ROHS 1 853 TZAI YUAN UNIOHM FUTABA QUEENMAO 210 415502518551R RES WW 2W 0 510 J MINI HK15 ROHS 1 959 TZAI YUAN UNIOHM 220 432009401400 10 P 5mm RoHS THINKING UPPERMOST 1 RT851 230 432009401500R P 7 5mm 159 F RoHS THINKING UPPERMOST 1 850 C862 CE 240 420264710322R 470uF 35V 13 21 125 5 3000h SAMXON SU SCON 5 DEEP CE FUTABA QUEENMAO 250 415360101550R 5 3W 1000 J HK20 MINI ROHS 1 R930 TZAI YUAN UNIOHM CHILISIN EASYMAGNET 260 425000011100R T22 14 8 C 10 11mH CHK 110 21851 18 FRONTIER TAICHANG FOXCONN FRONTIER 270 425000011080R PQ2620 JPP4 450uH CHK 108 ROHS 1 L853 LISHIN MEIKAI FOXCONN FRONTIER 280 426000091280R XFMR SW 220 PC44 700uH SPW 128 1 T850 LISHIN MEIKAI FOXCONN FRONTIER 290 426000091290R XFMR SW PQ2620 PC44 650uH SPW 129 1 T900 LISHIN MEIKAI 300 430301000210R ASS Y 10 100mm UL 10072224 LOCK FOXCONN JVE RISE 1 852 52 Service Manual 310 440819015030R 320 430631080180R 330 443842024060R 340 432008010270R 350 432008010310R 360 442849001020R 370 442849001030R 380 430300802110R 390 735110010100R 400 735110010110R 410 735110010120R 420 735110010130R 430 735110010140R 440 735110010150R ITEM P N 7
17. 424V DC 24 1000 1 20 851 0853 1854 BR3X20 2 2uH 1860 2 1 4 125 Bead F852 C862 1 C863 C864 C865 R865 470u 35V TN 470u 35V 470u 35V 470u 35V 4 7K 1W 4A 125V SRF10 200T C861 10nF 50V 77 777 Service Manual Fig 7 D853 and D854 is used to rectify the inducted current R856 and C858 form the snubber circuit for restrain peak voltage of Schottky Diode D853 and D854 The parts including C861 C862 C863 C864 C865 R865 and L853 L860 are used to smooth the current waves that are from D853 and D854 then 24V voltage is supplied DC 24V supply voltage feed back to PWM controller U850 via R878 R860 C871 1851 R864 C872 R863R859 Used to control the voltage feedback loop B D930 amp D931 is used to rectify the inducted current R930 and C930 are used to store energy when current is reversed The parts including C931 C932 Q930 C933 and L930 are used to smooth the current waves that are from D930 amp D931 then 12V voltage is supplied DC 12V supply voltage feed back to PWM controller U950 via R938 R937 C935 1930 R939 And Q930 Parts Used to control the voltage feedback loop 0960 8 D961is a Schottky diode used to rectify the inducted cur
18. amp ff CORNER PAPER 900x50x50xT3mm LP1704 m 65 Service Manual 40 506039001400R 50 506431000300R 60 506120400100R 70 506380002612R ITEM P N 714030020200R 10 501010221100R 20 750020200600R 30 501120109500R 40 501110200400R ITEM P N 714050019001R 10 750030200500R 20 501010221102R 30 501030210502R 40 502210100400R 50 509012305000R 60 501110201100R ITEM P N 7140893A2000R CORNER PAPER 200x50x50mm ROHS FILM PE 500mmx900M ROHS BAG AIR DUNNAGE 2000x1000mmLE1X03 ROHS TAPE WRAPPING TYPE 50Mx82mm Description ASSY FRONT BEZEL LP2236 Black FRONT BEZEL LP2236 Black SUB BUTTON LP2236 BLACK POWER BUTTON LENS LP2236 DARK SMOKED LOGO PLATE DELL UX383 LE1963 Description ASSY BACK COVER LP2236 SILVER SUB BACK COVER LP2236 Black Mid Frame LP2236 Silver release button LE22F4 KENSINGTON LOCK LE1963 SCREW I CROSS T T 3 5 ZN Cc BACK COVER LOGO LP2236 Silver Description ASSY PANEL W OSPK LP2236 A19 2209WAf 10 631102220560RD LCP 22 LM220WE4 SLB1 A LGD ROHS 20 430303002030R 30 430300802130R 40 701000011200R 50 701000011201R 60 502090313403R 70 502090313404R 80 505040209900R 90 505040209901R 100 509000001000R 110 509016304200R 120 509016306200R 130 509146306202R 140 509146610200R 150 791921200A00R 160 791922200A00R 170 791921500000R HRN LVDS FFC 30P 82MM HRN ASSY 2x4P to 322mm UL 15714228 ASSY CHASSIS BTM LP2236 ASSY CHASSIS TOP LP2236 USB COVER LP2236 INVERT CHASSIS LP2
19. l 4 cani plam 1 7 m im pe m 1 L859 cass con Ux ne ai em 25 9 D j sons 1 x 1 2 Mas p vea H2 Sto Ferro 18 i 0 128 2W X Sec H w ese Ten E x 8 av wo d s MN 1850 d o xen sense 86 6K 1 mv asas 1 x 4 2200 00 2200p 400V e v AND 88 10K 196 56 3152 2500 77 one vas Sosa sd ed de am pedum 4 rM 8 7 4 gt EUM cias pum ges Lus 4 m 8 r m WO J me mean we im on M GE 7 me 8 n x wer Hu ar ve P me ani 2 2 5 Em wm ie on 31 Pun save 5 te N 5 orum Lm og em DAL 10K 040 1000p 50V A7Op 50V 18K Powe 1nF 50V dnF SOV pover 9402 777 77 power E 2209
20. I 100p 1KV 2 Ue50 i 7 Hue Hr 4 pesa R958 LD7575 xx 100K 1 8957 2 asa 1 LTV817M 470R asso HIGH ON 8898 casa 8959 5 PWR24V ON 1 t IF 4 0953 aw 0402 RK7002 lt 1000 50 470p 50V R897 0402 C897 1uF 10V 1 0402 Fig 6 D850 is a rectifier in which there are 4 build in diodes inverting AC to DC C854 is used to smooth the wave from rectifier R870 is PFC current sense Resistor FR850 FR851 FR950 are fuse resistors to protect the 13 Service Manual following circuit when inrush current is too large U950 LD7575 is a current mode PWM controller with excellent power saving operation It features a high voltage current source to directly supply the startup current from bulk capacitor and further to provide lossless startup circuit Max start up current for U950 LD7575 is 100 uA When current flow from the bulk capacitor C854 through R835 and R836 gets to HV pin to start up U950 LD7575 Meanwhile the VDD supply current is as low as 100 uA thus most of the HV current is utilized to change the VDD capacitor C952 Whenever the VDD voltage is higher than UVLO 16 GATE pin will output signal to drive the power MOSFET Q950 the high voltage current source is off and the supply current is provided from the auxiliary winding of the transformer PINS When U950 begins to operate Pin5 of U950 LD7575 will output square wa
21. LL S810FFSICHNT 129 1 13388 Y HSINI4 SLINA 2 S L t 40 90 99 609 NOPE A 8800 Me 198 9 3007615060206 96264 1 NLA SISSVAD er 96041 002006910606 rasp mens 5002110000102 oe mwas ewo 7 ON 300790910609 99050 0 SSD 1 65 m 1400010000060 4 3000624608 So opea vens 3 0 JOU UO IS IA yore 8002 evo 001530 x 2 z woocoooioros 8 20290695 6089 2 amor 00009045 11 92241 y 006601222606 1 Y oe manner 24 M D 8000906020805 CEEE 5 9 L L L 4207615060206 EZA S ESwD 8 8 HSINIA DII 5 DIN nr D L asejje ul ON SL T H00LL0ZOLLLOS BATS END JOE L 1400090210608 KONZ 5 6 1 1 53050 L 4000910020712 009001012205 96137 DEN SEM 3005720062905 4209012000108 32231 2 30410086909 L 1420112201005 PA S 962241 L 00690001005 b 962241 EyCO 96 L 0021009 0215 L zT L 400660Z0t0S0S
22. gt e m e 5 1 8V USB Detect USB2 0 XTAL Scalar compatible 14 318MHz 4port Hub AUS TSUMUS8EHJ LF 2 5 5 2514 Audio det DCR PWM signal 24V ON OFF Control USB Data USB Data VGA 24C02 24 02 Hub input 2port USB DVI Connector Connector connector Device 1 5 Service Manual Electronic Circuit Theory 2 Inverter PWM circuit 2 1 1 Inverter Control circuit fig 2 4 1 VREF a Fig 2 ON OFF voltage signal coming from IF BD will enable U1 to work C2 is used to dump noise During the striking period if the voltage at VSEN_POL pin12 reaches a threshold of approximately 2 85V the transformer output voltage will be regulated until the striking timer expires During normal operation if the voltage at VSEN POL pin12 reaches the present voltage at OVPT pin16 the sink and source current of SSTCMP pin14 will stop and the TIMER pin15 will be charged Once TIMER pin15 and the abnormal condition still exists 01 will shutdown and latch Once the IC is enabled when the voltage at VREF pin21 rises to approximately 4 0V before the transformer output is present and voltage at Service Manual pin VSEN POL pin12 is greater than approximately 1 5V the PWM dimming polarity will be negative A voltage range of approximately 0 1V to greater than 1 5V to PDI
23. 16V DDIM 31 DP USBDN1 p Y 2 OVR P1 DD2P 330K a 13 USBDN2 4 818 DD2M 7 2 2 2225 Y DD3P 28 USBDN3 TF R306 27K LOCAL PWRINON REMO SUSP IND DD3M 28309 12003 28 USBDN3 DM PWRi 1 O RESET 9 DD4P T n USBDN4 DP 11 0308 4 TEST DD4M USBDN4 p 24 Que 323 22 50 33 1 12 47u 16V 0 1 16V PRTPWR1 oo R311 x301 16 1 PRTPWR2 Xx FB307 3 3V_2514 Y Y Y 1M 24000MHz SMSC2514 QFN36Pin PRTPWR3 3000 2 4 En 7 C324 22 7509 32 XTALZ CLKIN EN PRTPwR4 20x x 8 8 R307 100K uu t 23 vDD33 IO SDA SMBDATA NON 22 0318 15 24 R308 100K 1 T 1 VDD33 REG SCL SMBCLK CFG SELO FB302 R309 100K DDiP x t y vppass HS IND CFG H 1 Z Y DDIM 5 5 10 gt 4 3 29 14 x VDDA33 VDDCR18 N 36 37 5 5 T 4 8 VDDPLLREF VDDA33 VSS FLAG 9 9 o 8 8 8 8 8 ox 3 DD2P 1 2 2P 3 3 3 3 3 8 DD2M 4 3 2M 5 COMM CHOCK V Pu 0 5 5 3M FB304 1208 DD3P 1 2 P 5V USB 5V USB 5V USB 5V USB DD3M 4 3 ap aM FS310 FS311 FS312 28813 COMM CHOCK
24. 2 WRI WR2 PWR3 PWR4 OE OE V V g e 6 0 75 6V 0 75A 6 0 75 6V 0 75A FB305 s x z x lt 8085 eee 22 293 DD4M 1 2 4 DD4P 4 3 4P r 13 OVR P1 OVR P2 1 OVR 1 C325 OVR P4 C326 8 COMMTHOCK 1 01 16 0 1 16V x 50 59 a E x amp 2 5 5 8 5 Me USB Bize Document Number Custbm Doc gt aio Tuesday September 16 2008 73 Service Manual 5V PI 3 3V VCC 3 3V 0102 0101 LD1117AL 1 8V 2 vn vout VCC_1 8V 5 VOUT 4 a 4 d 4 PAD 4 PAD C106 t 0 1 16V C103 C111 47u 16V 6197 C104 0 1 16V NC 0 1 16V 5 C102 5 100u 16V N 0 1 16V 4 GND GND 45V PI Q101 Audio DET Audio EN VCC 3 3V AP2305GN 1 b 2 EI 3 Height Low C108 R197 0 1 16 R109 3 Low Height 100 5 7 8 Audio on off gt Audio on off 8 off 8196 m GND Lt NE 107 3 T 1 27K i 5 2 5 Audio EN Q105 5 PANEL ENABLE gt 4 0104 Fits PMBT3904 PMBT3904 10K _ L R108 a C112 2 10K 1 4 7u 16V 4 Note See Table 1 zi N VOC 3 3V GND off on R105 Table 1 on 9 CCFL OFF ON 8 Backlight On Of
25. 60 420424710260R 80 420264710260R 90 430613830290R 100 412022002550R 100 412022002240R 100 412022002830R 100 412022002440R 110 410052001370R 110 410052005150R 120 418210313030R 130 418222233030R 140 420431010431R 150 420434700430R 160 420434790430R 170 421013310460R 190 420221010430R P N 791921240A00R 10 419341050650R 20 419341063650R 30 419311020010R 40 419312220010R 50 419311030070R 60 419301010510R 70 419314720070R DIO P6KE350A 600W 100A DO 15 DIO P6KE350A 600W 100A DO 15 TSC PCBA MAIN BOARD W O SPK SMT LP2236 A19 R DIO ER104 400V 1A DO 41 PANJIT RoHS DIO SF10 04 LF 400V 1A DO 41 F RONTIER R FUSE SLOW PICO 4A 125V U C AT RoHS FUSE SLOW 4 125 U C AT RoHS Description PCBA MAIN BOARD W O SPK AI R LP2236 A19 CAP CD X7R 1000pF 1KV 2X7R102K102K5 CD X7R 2200pF 100V RoHS CAP CD X7R 100pF 1KV K VT RoHS CAP HG 10uF 50V M 105 C VT 5x11 RoHS CAP HG 47uF 50V M 105 C VT 6 3X11 ROHS CAP SD 470uF 25V 105 ST 10x16 RoHS CAP SH 470u 25V M 125C ST 10 16 FUSE TIME LAG 3 15A 250V RoHS IC AME431BAJATB25Z TO 92 3 AME RoHS IC KA431AZ 196 FAIRCHILD RoHS IC AS431 TO 92 VT A1SEMI RoHS AZ431BZ ATRE1 TO 92 BCD RoHS XSTR SFOR3G42 TO 92 VT TOSHIBA RoHS THYRI MCR101L 6 TO 92 UTC RoHS CAP CD X7R 0 01UF 50V K VT ROHS CAP CD X7R 2200pF 1KV RoHS 100uF 16V 105 VT 5x11 RoHS CAP SM 47uF 16V M 105 C VT 5x11 RoHS CAP E
26. 6500K Chroma Signal at default setting 2 With full white pattern Y shall be 220 20 cd m Generator and Color Analyzer OSD Lock Test Soft Lock When OSD is locked this icon should appear for only Visual Inspection 2 seconds with all buttons pressed except for the Menu and Power ones Hard Lock Press Menu button for 15 seconds enables the locked icon to be displayed which will lock All buttons expect for the Power Press Menu button for another 15 seconds enables the unlock icon to be shown Panel Flicker 1 Mode 1680x 1050 60Hz Equipment check 2 Set Brightness amp Contrast to default value 75 Chroma Signal 3 Do Auto Adjustment Generator amp PC 4 check whether there s flicker on the center of the picture Power saving 1 Mode 1680x1050 60Hz 2 Pattern full Black 3 Brightness Max 4 Contrast Default 5 Check power consumption at each modes State Power Consumption LED color lt 125W with USB Max brightness amp Audio load Bl Power 100W without USB without Audio Stand By lt 1W Amber 49 Chroma signal generator and Power meter AC input 230V 50Hz Service Manual 43 Service Manual Chapter 6 TROUBLE SHOOTING Common Acknowledge If you change the M B be sure that the U101 U102 and U105 these three components also changed to the new M B because there was program inside
27. BACK COVER LP2236 Black MMP 67 Service Manual Attachment 2 Schematic 1 Main board schematic 2209Wa History initial 1 0 Top level contents VGA input DVI input Scalar Document Number 68 Service Manual 3 0 VGA input 5 0 scalar RED RED GREEN GREEN SOG BLUE RED RED GREEN GREEN SOG BLUE Top level Document Number lt Doc gt BLUE BLUE Saturday May 17 2008 VGA DET VGA DET 6 0 USB HSYNC HSYNC VSYNC VSYNC USB EN USB EN DDE SCL DDO SGL VOA DDC SDA DDC SDA VGA USB DET USB DET WP EDID VGA WP EDID VGA 6 0 USB 3 0 VGA input 4 0 DVI input 7 0 DC input WP DVI WP EDID DVI DVI DET DVI DET CCFL ENABLE RX0 RXO0 RX1 RX1 RX2 RX2 Rx0 Audio EN RX1 RX1 RX2 RX2 PANEL ENABLE s u 127 VLCD VCC 1 8V VLCD RXC HPD CTRL HPD CTRL DDC 501 DVI DDC SDA DVI DDC SCL DVI DDC SDA DVI VCC_1 8V 4 0 DVI input PWR24V_ON BRIGHTNESS PWR_DCR Audio_DET PWR_save 5 0 scalar 8 0 power PWR_save Audio_DET PWR_DCR BRIGHTNESS PWR24V_ON Audio on off CCFL ON OFF 8 0 power 69 Service Manual CN102 DZ11AA1 H5W6 4F 11 5 1 101 114 75 1 C113 12 1 R0603 13 14
28. If not please re write EDID or upload firmware into serial flash U105 via VGA Cable How to do please refer to the Page 19 If you adjust clock and phase please do it at condition of Windows shut down pattern Please confirm the R G B color under 32gray scale pattern This LCM is analog interface So if the entire screen is an abnormal color that means the problem happen in the analog circuit part if only some scale appears abnormal color that stand the problem happen in the digital circuit part If you check the H V position please use the crosshatch pattern This LCM support 10 timing modes if the input timing mode is out of specification Cannot Display this Video Mode will be displayed on the screen Jf brightness uneven repairs Inverter circuit or change new panel If you find the vertical line or horizontal line lost on the screen please change panel Ifthe 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 DVI Cable is plugged in the Monitor or PC if select DVI model on OSD If the VGA or DVI Cable is plugged in well please change another VGA or DVI cable No Power and LED Off Is there DC16V at L852 Is there DCSV at L851 Is the voltage at C854 in the range of 127V 339V Check 850 F850 Is the voltage at pin8 of U850 354V YES NO Check R853 Is the voltage at pin
29. O w 5V tolerant I O w 5V tolerant General Purpose Input Output Pulse Width Modulation Output 4mA driving strength General Purpose Input Output Pulse Width Modulation Output 4mA driving strength GPIO 27 w 5V tolerant General Purpose Input Output Pulse Width Modulation Output 4mA driving strength I O w 5V tolerant General Purpose Input Output 4mA driving strength GPIO 5 0 I O w 5V tolerant General Purpose Input Output 4 driving strength SAR ADC Input GPIO P01 I O w 5V tolerant General Purpose Input Output 4 driving strength 120 SAR1 SAR ADC Input GPIO P02 I O w 5V tolerant General Purpose Input Output 4mA driving strength 121 SAR2 SAR Input GPIO w 5V tolerant General Purpose Input Output 4mA driving strength 122 SAR3 SAR ADC Input GPIO 06 I O w 5V tolerant General Purpose Input Output 6 12mA programmable 123 I O w 5V tolerant driving strength General Purpose Input Output 6 12mA programmable driving strength GPIO 13 PWM2 Note Pin 49 50 and 475 76 cannot be used as GPIO GPO concurrently When using pin 449 50 as GPIO P43 I O w 5V tolerant General Purpose Input Output Pulse Width Modulation Output 4mA driving strength GPIO P402 pin 75 76 should be NC and vice versa Misc Interface Pin Type Output Function For External Bypass Capacitor Regulator Control
30. PFC PWM controller Feedback IC 566901 PWM control control To Inverter Feedback A 24V DC output 24V ON OFF x to Inverter CCFL Bulk Main Power Transtor ane PFC boost ircuit Isolate Rectifier and Brightness circuit EOM I PWM circuit Main Power filter circuit transformer AUDIO ON 12V DC b regulator and 12V DC output Rectifier amp ON OFF circuit i Filter Start up Circuit circuit Standby control Standby Transfor and controller E Isolate y Rectifier and IC LD7575 Standby Power filter circuit 5VDG output SV DC out transformer AC Line Filter GND 24V 12V 5V DC Jack AUDIO Dete 1 OVP circuit Feedback control 4 An 4 Power saving 4 Power Savit circuit OPTION Contol Si FromTO 1 Service Manual Feedback Control 014109 Inverter 101909 440 NO im N r D 2 E 1499 pued 01 Service Manual Panel Interface Brightness Control gt CCFL ON OFF Control 5 4 on off 5V USB Vcc AP1117E33A USB protection LM1117M 3 3 3 5 ra 3 S 24C16 AP1117E33 8 8 5 LM1117M 3 3 2 E AP1117E18 5 E 8 LM1117M 1 8 5
31. electric energy to prevent man from shock L851 and L852 are common mode chock to filter EMI common mode noise C850 C851 and C885 C886 Y CAP and C852 amp C853 are X CAP used for reduce EMI noise 2 2 3 High Voltage to Low Voltage Control Circuit 2 6 Service Manual 0858 1N4007 0859 1N4007 0856 RT851 gt 9959 145406 G8U8 06 1853 1855 1856 0860 1857 1858 FR850 y 4 2A Pron t 2 x 2 ra 858 4 E E Bead Bead Bead Bead W FR851 600V BA 0 28 1W C867 C868 R855 0855 20 0874 znFAKV 22 OnF 400V lluF 450V F AR 120u 450V EMI Shield 21 a853 case 1 100p 1KV R981 R985 R871 R831 FOPF12N60C 499K 499K 0851 8885 1 48 1 48 FR30 10 LF 1M2 10K f R870 1 44 1 48 1 R982 R986 499K 499K 1 4 1 48 0 22R 3W 1 R872 R832 1M2 1859 1 48 1 48 499K 499K Bead 0887 R875 1 48 1 48 2988 R987 1
32. pulse then U105 TSUMUS8EHJ LF will be wake up and send control signals at 109 50pin to on CCFL and switch 5 0v to panel module at the same time U105 make the VGA DVI cable input signal source display normal on panel if the VGA DVI cable input signal is active If power ON U105 123 LED blue will send out low potential and then LED blue on If power saveing U105 124 LED Amber will send out low potential and then LED Amber on If power ON or power saveing when press power key U105 4 receives low pulse then U105 will be sleeping and turn off backlight at the same time the panel will lose 5V The Panel Vcc Backlight En CLK DATA output to panel will follow the following sequency 21 Service Manual Power supply for panel 5V Vpp Signals Digital RGB HS VS DE CLOCK OV Valid data T T4 Power supply for backlight Tl ms 2 ms ms ms 5 ms 6 ms T7 ms SPEC LGD 0 3 10 0 0 50 gt 500 gt 100 0 0 50 NA gt 1000 5 D SUB Connector Pin Assignment Pin Symbol Pin Symbol ed 6 Red_GND 11 GND 2 Green 7 Green GND 12 DDC SDA 3 Blue 8 Blue GND 13 Hsync 4 GND 9 PC 5V 14 Vsync 5 Cable Detect 10 GND 15 DDC SCL 6 AC Outlet Pin Assignment Pin Symbol Description 1 3 1 Line 2 GND CN850 3 Neutral 7 Inner Connector Pin Assignment 7 1 CN103 Connect in
33. set one of the lamp condition Which is 0 8 ADJ 2 1 2 0utput Circuit and Protection Circuit fig 3 Service Manual Fig 3 The transformer T1 to T12 secondary winding leakage inductance and output capacitances that are in the inverter PCB board forms a lower pass filter which converts the square wave driving signal into a sinusoidal output voltage signal for CCFL The voltage signal sensed through R14 comes to Pin13 of U1 ISEN Lamp Current Detection amp Control The CCFL current is detected through R14 and reaches a regulated value The CCFL current detected at resistor R13 and R14 is converted to a voltage level and input to the ISEN pin Once the voltage at the ISEN pin reaches the lamp on threshold the IC switches from the striking mode to the normal operation mode and the PWM dimming control is activated C21 is used to dump noise Once the CCFLs are ignited and current is sensed through resistor R14 capacitor C15 performs the loop compensation function The voltage at pin1 pin2 pin23 and pin24 controls the drive duty cycle of the power MOSFETS to regulate the CCFL current Q5 off and on during normal operation Once any one of 155 falls down gate of Q6 lost voltage Q6 turns off and Q5 turns on ISEN would be pulled 1n Service Manual down to 0 voltage IC shutdown process is triggered 2 2 Power PWM circuit 2 2 1 Block diagram fig 4
34. 000p 400V 1000p 400V R873 R833 20 Yl Yl 1 48 1M2 499K 737 77 1 40 1 48 1 48 1 48 R874 R834 R989 1M2 4700p 50V 15 8 1 C812 1uF 50V 1 28 1 48 SPA11N80C3 m 1 pr U850 100p 1KV 566901 R813 R886 ie 10K 68K ligna cun R814 C818 10uF 25V 4 2 19 RI VEA 1 R854 1 100p 50V 0402 5 Gub 20 Re53 orp HE er 1 4700 50 0402 R822 Cara R821 C817 L a 46 4 4700p 50V S 24K 1 1K 1 1000p 50V R817 0402 0402 5 RANGE H 2K7 1 0402 caig Mm 6 15 R858 un wal ca22 10K 850 R818 A 2K7 1 0402 1uF 50V 4 Open 7 14 0302 ISENSE 3 2 w R824 LTV817M 8 100 1 9 pwm H 00 50 402 10 1 nano ss 1 R829 R825 10 5K 1 200 1 0 01 50V M Signal GND Signal GND FR950 VBUS H iw Co55 la700p 400v R837 R838 Rs39 1800 SPW 129 2620 20K 1 4 20K 1 48 20K 1 48 x 0951 11 FR10 10 LF 5 2 R835 0953 4401 20K 4 2 E x r 0953 1N4148 8 PMBT2907A 0956 C957 R953 2 3 0962 20K 1 10u 50V ER104 10K 12 48V PI 11 Re 20951 27 10 802208 20V 47uF 50V 104p 50V 5 En um 6 20K 1 R942 pr 0402 R941 d 2SK3265 10K 470 R956 lack 8 5 1 del HV B GATE it 1952 R943 C860 1 2200p 400V T 1K 1 Co58
35. 19312254070R 3 C3 RoHS TAIYO TDK WALSIN YAGEO C SMD 0805 X5R 2 2uF 16V DARFON MURATA SAMSUNG 50 419352254070R 0 RoHS TAIYO TDK WALSIN YAGEO C SMD 0603 X7R 1000PF 50V K 60 419311020060R DARFON TDK WALSIN YAGEO 3 C1 RoHS C SMD 0603 X7R 2200PF 50V K C5 70 419312220060R DARFON TDK WALSIN YAGEO 6 RoHS C5 C SMD 1210 Y5V 10uF 35V 2 80 419341069680R MURATA SAMSUNG TDK 5 RoHS CAP OS SVPD 47UF 35V M 125 90 421024700350R SANYO 1 C5 C SMD 10X13 C SMD 0603 X7R 0 1uF 16V K 100 419311044060R DARFON TDK WALSIN YAGEO 3 C2 RoHS C SMD 0603 NPO 110 419308200560R DARFON TDK WALSIN YAGEO 1 C1 82PF 50V J RoHS C SMD 0603 X7R 4700pF 25V K 120 419314723060R DARFON TDK WALSIN YAGEO 1 C1 RoHS C SMD 0603 X7R 0 047uF 16V 130 419314734060R DARFON TDK WALSIN YAGEO 1 C1 K RoHS C SMD 0805 X7R 0 47uF 25V K 140 419314743070R DARFON TDK WALSIN YAGEO 2C2 SMD 0603 X7R 0 033uF 50V C4 150 419313330060R DARFON TDK WALSIN YAGEO 6 ROHS C5 SMD 0603 X7R 100PF 50V 160 419311010060R DARFON TDK WALSIN YAGEO 6 RoHS REV A C6 SMD 0805 X7R 0 1uF 50V DARFON MURATA SAMSUNG 180 419311040070R 2C9 RoHS REV A TDK WALSIN YAGEO DIO BAV70 LF 70V D7 190 411020047020R FRONTIER 6 SOT 23 FEC ROHS D1 DIO BAV70 70V SOT 23 PEC 190 411020047090R 0 ROHS D1 200 411090046090R SCHTKY BAT54A SOT 23 PEC PANUIT 7 DA SCHTKY BAT54A 200 411090046040R MOSPEC 0 SOT 23 MOSPEC SCHTKY BAT5
36. 2 R2 R2 R3 R7 R7 R7 R7 2 R1 1 R9 1 R1 4 R3 Service Manual RES SMD 0603 243 F RT 330 414916243310R TA I WALSIN YAGEO 1R1 ROHS RES SMD 0603 3 3M F RT 340 414916330410R TA I UNIOHM WALSIN YAGEO 1R1 RoHS RES SMD 0603 5 1KQ J RT 350 414916051250R UNIOHM WALSIN YAGEO 4 R1 RoHS RES SMD 0603 39KO F RT 360 414916390210R UNIOHM WALSIN YAGEO 1 R1 RoHS RES SMD 0603 1 F RT 370 414916100110R UNIOHM WALSIN YAGEO 1 R4 RoHS REV A RES SMD 0603 1 4 R5 380 414916140110R TA I UNIOHM WALSIN YAGEO 6 S R6 RES SMD 0603 5900 R5 390 414916590010R UNIOHM WALSIN YAGEO 6 RoHS R6 IC OZ9926AGN SOIC24 O2 400 412000689630R 02 1U1 MICRO RoHS PCB INV 2 OSP FR4 410 491882200100H EXPRESS HSIANGKUO 1 12 LP2236 HF DIO 1N4148W F 420 411020046310R DIODES 1 D2 75V 0 15A DIODES RoHS SOD DIO 1N4148W 420 411020046090R 0 75VI0 15A PEC RoHS SOD 123 DIO MWS4148 G 420 411020046411R MMC 0 75VI0 15A SOD 123 MMC RoHS T1 XFMR SW SMD EE13 P4 300mH 430 426000091270R DARFON HUALON LISHIN 12 T6 SPW 127 5 T1 440 505040209902R INVERT MYALR LP2236 Fuzhen amp 1 C3 C SMD 0603 NPO 270PF 50V J 450 419302710560R DARFON TDK WALSIN YAGEO 12 C4 RoHS REV A C4 RES SMD 0603 3 3 F RT 460 414916330110R TA I WALSIN YAGEO UNIOHM 1 R4 RoHS RES SMD 0603 3 6KO F RT 470 414916360110R TA I WALSIN YAGEO UNIOHM 4
37. 2 C962 CE 1 C102 Usage Location 2 C812 CE 1 C818 0814 6 967 1 1 0821 3 816 1 0819 2 811 Service Manual 80 419314720010R 90 419314730070R 100 419311054070R 120 419311040070R 130 419311020070R 140 419341069680R 140 419341069650R 150 419314710070R 160 410050069291R 170 410090010210R 170 410090010090R 180 410070010240R 180 410070010420R 180 410070010210R 190 410500050212R 190 410500050230R 190 410500050091R 200 411023004021R 200 411020046090R 200 411020046310R 210 414908068350R 220 414908158210R 230 414908240210R 240 414908200010R 250 414908464210R 260 414908105210R 270 414908866210R 280 414918200210R 290 414908680110R 300 414908470110R 310 414918270110R 320 414908100210R 340 414918100110R 350 414908100110R 360 414908100010R 370 414904100110R 380 414904200910R 390 414908047150R 400 414904300310R 410 414904120410R 420 414904020350R 430 414904499310R 440 414904374310R C SMD 0402 X7R 4700PF 50V K ROHS C SMD 0805 X7R 0 047uF 50V K ROHS C SMD 0805 X7R 1uF 16V RoHS REV A C SMD 0805 X7R 0 1uF 50V K RoHS REV A C SMD 0805 X7R 1000PF 50V K RoHS C SMD 1210 Y5V 10uF 35V Z RoHS SMD 1206 Y5V 10UF 35V 2 ROHS C SMD 0805 X7R 470PF 50V K RoHS XSTR AP9972GS TO 263 APEC RoHS XSTR PMBT2907A PNP SOT23 PHILI PS RoHS XSTR MMBT2907A PNP SOT23 PANJIT RoHS XSTR MMBT4401 NPN SOT23 FAIRCHILD RoHS XSTR MMBT4401 NPN SOT23 PANJIT RoHS XSTR
38. 209 and R201 R208 48 Service Manual 6 At 32 gray scale pattern color lost in some scale Color lost in some scale at 32 gray scale pattern NO NO Check crystal circuit if the wave of 14 318MHz signal is normal change U105 else change X101 Chapter 7 RECOMMENDED PART LIST 2209WA Critical Parts List Component Component Category Type Location Supplier number Suppiler PN Object description SAMXON ERT127M2WL45PB P m CAP SE 120UF 450V M 1 Critical E CAP C854 SU SCON 420271214585R SE450M121K45T022ZCFR CF 18X45 BLA ELITE PV2W121MS31845RP FOXCONN 2MCQA2620 002A FRONTIER SPV2620 10 LFR COIL PQ2620 JPP4 2 Critical PFC CHOCK L853 425000011080R LISHIN QFK8002EL CHK 108 ROHS MEIKAI TP2620A 451 FOXCONN 2MWQA3220 002A FRONTIER SPV3205 01 LFR XFMR SW DIP PQ3220 3 Critical Transformer T850 426000091280R LISHIN PFK8032EL 700uH SPW 128 MEIKAI BCK 3218 FOXCONN 2MWQA2620 002A FRONTIER SPV2602 11 LFR XFMR SW DIP PQ2620 4 Critical Transformer T900 426000091290R LISHIN PFK8031EL 650uH SPW 129 MEIKAI BCK 2556 49 Service Manual 506901452 5 Function IC U850 SG 412000532021R SG6901ASZ SOP20 SG RoHS IC LD7575PS 6 Function IC 0950 LEADTREND
39. 23 and then TSUMUS8EHJ LF deals with signal internally D103 D104 D105 are ESD protector to prevent U105 from ESD Signal DDC SCL series clock inputs via CN102 15 and then passes through ZD106 for ESD protection goes into EDID EEPROM IC 1103 6 Signal SDA series data inputs via CN102 12 and then passes through 70103 for ESD protection goes into EDID EEPROM 0103 5 Signal TTL vertical sync Vsync inputs via CN102 14 and then clamped by ZD105 Zener passes through R116 and then goes into IC U105 Service Manual TSUMUSSEHJ LF 33 Signal TTL horizontal sync Hsync inputs via CN101 13 and then clamped by ZD104 Zener passes through R115 and then goes into IC U105 TSUMUS8EHJ LF 32 10245 is defined as cable detect pin the detect pin can create a pull low signal send to U105 36pin via R160 to identity cable connection if plug out the VGA cable the U105 36pin will receive a high signal and system enter self test mode when exit factory mode the device must set at VGA input mode U103 is an EEPROM IC which is memory and EDID data saved in it the IC power is supplied by PC CN102 9 with D106 and ZD102 for ESD protection or supplied by Monitor self via D106 2 3 2 DVI CAPTURE Differential Signal input RX0 RX0 RX1 RX1 RX2 RX2 RXC RXC through CN201 18 17 10 9 2 1 23 24 via R206 R205 R204 R203 R202 R201 R208 R207 enter into 0105 TSUMUSSEHJ LP Digit
40. 236 BTM CHASSIS MYLAR LP2236 TOP CHASSIS MYLAR LP2236 BOLT 4 40x12 5 Ni ROHS SCREW CROSS M3 4 Zn CcROHS SCREW I CROSS M3 6 Zn Cc SCREW P CROSS W WAS 7 8 M3 6 Zn Cc SCREW P CROSS W WAS 8 M2 4 Zn Cc PCBA MAIN BOARD W O SPK LP2236 A19 ROHS PCBA INVERTER B W O SPK LP2236 A19 ROHS PCBA KEYPAD BOARD LP2236 A19 ROHS 66 SISUN fe Supplier MMP HANHAI DEMETER Supplier Supplier Service Manual 180 791860300000R 190 511110000580R 200 512004001200R 210 506381001710R 220 503010006300R ITEM P N 701000011200R 10 502090313400R 20 502090313401R 30 502120400300R ITEM P N 701000011201R 10 502090313402R 20 502020306000R 30 502020306010R 40 502040500100R 50 504010000300R 60 509112304100R ITEM P N 750020200600R 10 501030211500R ITEM P N 750030200500R 10 501020225000R PCBA CONVERT B USB W O SPK LP1931 ROHS SILICONE PAD 25 15 0 8mm SPACER SUPPORT 4 0 TAPE ACE W28 L 15mm LE 1971 RUBBER FOR INVERT LP2236 Description Supplier ASSY CHASSIS BTM LP2236 CHASSIS BTM LP2236 CHASSIS SUPPORT LP2236 CLIP EMI GND 3 LP1702 Description Supplier ASSY CHASSIS TOP LP2236 CHASSIS TOP LP2236 fix plate left LE19E6 fix plate right LE19E6 slide LE22F4 SPRING 0 5 05 17 SCREW BTP3x4C3UC ROHS Description Supplier SUB BUTTON LP2236 BLACK BUTTON LP2236 BACK MMP Description Supplier SUB BACK COVER LP2236 Black
41. 236A1D010R 2209WAf H736H LP2236 A19 LGD DAO 10 453010100320R CABLE D SUB 15P MALE 6FT BLACK BLUE AB 8 CAPXON SU SCON TEAPO 2 PC TEKCON FOXCONN 2 TOMAS 0 698 G HSIANGKUO TATCHUN 1 PC Supplier FOXCONN HOTRON JVE FOXCONN HOTRON JVE 20 4530303004405 CABLE DVI D 18 1P MALE 1 8M BLACK ROHS 63 F Service Manual 30 453030300230R 40 453070800150R 50 7140793A2000R 60 713100009900R ITEM P N 713100009900R 10 506140006500R 20 506250027700R 30 506431005200R 40 506380001400R 50 506280008210R 60 703500010000R 70 506120300060R 80 506120301810R 90 506060012720R 100 506020029700R 110 506060012710R 120 506060012700R 130 506340004700R 140 506380002622R 150 713010005602R 150 713010005600R 150 713010005601R 150 713010005603R 150 713010005604R ITEM P N 7140793A2000R 10 509212103500R 20 509116610510R 30 506250024300R 40 714050019001R 50 714020016000R 60 714030020200R 70 7140893A2000R ITEM P N 713010005600R CABLE USB 2 0 2M BLACK RoHS PWR CORD 10A 125V BLK 6FT UL CSA SVT 3Cx ASSY FINAL B W OSPK LP2236 A19 2209WAf ASSY PACKAGE PACK DAO LP2236 Description ASSY PACKAGE PACK DAO LP2236 LABEL BARCODE LP2236 LABEL AGENCY TCO 03 LP2236 FILM SCREEN PROTECTION PRINTED LE22E0 TAPE 3M 897 12x45000mm POSTER QUICK SETUP WEST LP2236 KIT ACCESSORY DOC DAO LP2236 BAG PLASTIC L670 W440mm PRINTED LE22E BAG EPE HDPE L800 400XW450MM LP1X03 Cushion for Stand LP2236 CARTON DEL
42. 35110010100R 10 411090031460R 10 411090030020R 10 411090031010R 10 411090031311R 20 507200007800R 30 509146308102R ITEM P N 735110010110R 10 411090009460R 10 411090009312R 10 411090009020R 20 507200007800R 30 509146308102R ITEM 735110010120R 10 410050087240R 10 410050086370R 10 410050098280R 20 411030059240R 20 411030059280R 20 411030059210R 30 507200007800R 40 509116308100R ITEM P N 735110010130R 10 410050084130R 10 410050085280R 10 410050057280R CON D SUB FEM 15P RA W O SCREW DZ11AA1 H 2 2 0MM 180 W LOCK ROHS CON DVI D RA 24 1P FEM W O SCR EW QH1112 XTAL 14 31818MHz HC 49US DIP 16pF 30PPM XTAL 24 000MHz 20pF HC 49US 30PPM DIP Ro CON USB R A 1P UC11123 LK1 4F RoHS CON USB 8 POS T H UB11123 8D1 4F R HRN ASS Y 8P 100MM UL 14304226 ASSY H S D853 D854 ROHS ASSY H S D960 D961 ROHS ASSY H S Q853 amp D860 ROHS ASSY H S Q850 ROHS ASSY H S D850 ROHS ASSY H S Q950 ROHS Description ASSY H S D853 D854 ROHS SCHTKY SP10200 LF 200V 10A ITO220 SECOS SCHTKY SRF10 20CT LF 200V 10A ITO 220AB SCHTKY MBRF10200CT 200V 10A ITO220AB TSC SCHTKY SBR10200CTFP 200V 10A ITO 220AB D HEATSINK 40 X20Xt15mm LP2236 SCREW PW CROSS W WAS M3 8 Zn Description ASSY H S D960 D961 ROHS SCHTKY SP10100 LF 100V 10A ITO220 SECOS SCHTKY SBR10100CTFP 100V 10A ITO 220AB D SCHTKY SRF10 10CT LF 100V 10A TO 220AB F HEATSINK 40 X20Xt15mm LP2236 SCREW PW CROSS W WAS M3 8 Zn Description ASSY H S Q853 amp D8
43. 412000453820R LD7575PS SOP8 LEADTREND IC CAT24C02WI TE13 CATALYST 412000480990R CAT24FCO2WI TE13 SOIC 8 CATALYST RoHS 7 Performance EEPROM U103 U201 ST 412000480280R 24 02 er SOE IG AT24CO2BN SH T 2K ATMEL 412000435481R AT24C02BN SH T 2K AT24C16BN SH T ATMEL 412000224482R 24 16 5 ere 8 Performance EEPROM U106 IST 412000224280R M24C16 WMN6TP on SO IG CAT24C16WI TE13 CATALYST 4120004819908 CAT24C16WI TE13 IC LD1117AL 3 3V A UTC 412000372020R LD1117AL 3 3V A AISEMI 412000372830R AS1117R 3 3 AS1117L 3 3TR LF SOT2 9 Critical Regulator U301 EMI RoHS EC50117KBG 3 3V E CMOS 412000598990 EC50117KBG 3 3V NOS IG AZ1117H 3 3 BCD 4120003720708 AZ1117H 3 3 ANACHIP IC AP1117D33LA 3 3V 4120003321308 AP1117D33LA 3 3V 10 Critical Regulator U101 15 4120003328308 AS1117R 3 3 TR LF AS1117R 3 3 TR LF TO 2 SEMI ROHS IC EC50117BBG 1 8V E CMOS 412000599990 EC50117BBG 1 8V UTC 412000830020R LD1117AL 1 8V A 8V A 11 Critical Regulator U102 IC A1 SEMI 4120003308308 AS1117L 1 8 TR re IG AZ1117H 1 8 BCD 4120003300708 AZ1117H 1 8 a IC USB2514 AEZG 12 Function IC U302 SMSC 412000668390R USB2514 36QFN SMSC IG SST25LF020A 33 4C SST 4120004941908 SST25LF020A 93 4C SAE SOIC8 SSTIROHS l l IC MX25L2025MC 12G 14 Function Serial Flash U108 MXIC 412000661620R MX25L2025MC 12G SOP8 MXIC ROHS I
44. 425000010720R CHOKE COM MODE SMD 900 RoHS CHILISIN FRONTIER TAI TECH 950 4149181202108 RES SMD 0402 12KQ F RT RoHS TA I UNIOHM WALSIN YAGEO 1 R310 8313 82 960 4149180153508 RES SMD 0402 15 J RT RoHS YAGEO ROIG Rd 970 412000668390R USB2514 AEZG 36QFN SMSC SMSC 1 U302 FS310 F 980 432009300900R 750mA SMD1206 1206L075YR ROHS LITTELFUSE pub 990 412000372020R IC LD1117AL 3 3V A SOT 223 UTC RoHS UTC 1 U301 990 412000372830R AS1117L 3 3TR LF SOT223 A1S EMI RoHS A1SEMI 0 990 412000372070R 1 AZ1117H 3 3 SOT 223 AAC RoHS BCD 0 990 412000598990H EC50117KBG 3 3V SOT223 E CMOS E CMOS 0 LABEL BARCODE BLANK 33x7mm ROHS FOR 1000 506140005700R HENGMINGDA JIAYINMEI KAIDA 1 1010 511130002200R SOLDER PASTE Sn96 5 Ag3 0 Cu0 5 ROHS TOMAS 0 5 1010 511130002201R SOLDER PASTE Sn96 5 Ag3 0 Cu0 5 TOMAS 1010 511130002202R SOLDER PASTE Sn95 5 Ag3 9 Cu0 6 TAMURA 2 invert board BOM ITEM P N Description Supplier Usage Lo 791922200A00R PCBA INVERTER B W O SPK LP2236 A19 ROHS P1 10 444179001010R CONN SPRING H V 1P ROHS FOXCONN 12 P6 P1 2 0MM 90 SMD 20 430631100070R CVILUX FCN JOWLE 1 W LOCK ROHS C SMD 0805 Y5V 1UF 50V Z DARFON MURATA SAMSUNG 30 419341050670R 1 C4 ROHS TAIYO TDK WALSIN YAGEO C SMD 0603 NPO 40 419304710560R MURATA TAIYO TDK WALSIN YAGEO 4 Service Manual C SMD 0805 X7R 2 2uF 16V DARFON MURATA SAMSUNG 50 4
45. 4A LF30V 200mA 200 411090046020R FRONTIER 0 SOT 23 FEC 60 Service Manual DIO BAV99 350mW 70V 210 411020026210R SOT 23 PHI RoHS DIO BAV99 LF 350mW 70V 210 411020026020R SOT 23 FEC RoHS DIO BAV99 350mW 75V 210 411020026090R SOT 23 PEC RoHS XSTR PHILIPS FRONTIER 220 410050108290R AP9962AGH N CH TO252 APEC RoHS XSTR 220 410050108430R P1504BDG N CH TO252 NIKO RoHS XSTR RK7002 ESD N C SOT 23 230 410500050230R ROHM RoHS XSTR 2N7002K ESD N C 230 410500050120R SOT 23 VISHAY RoH XSTR 2N7002K01 ESD N C 230 410500050212R SOT 23 PHILIPS R RES SMD 0603 620 240 414916620310R F RT RoHS RES SMD 0603 10 J RT 250 414916010350R RoHS RES SMD 0603 100KO F RT 260 414916100310R RoHS RES SMD 0603 33KO F RT 270 414916330210R RoHS RES SMD 0603 30 1 F RT 280 414916301210R ROHS RES SMD 0603 1 J RT 290 414916010550R RoHS REV A RES SMD 0603 750KO F RT 300 414916750310R RoHS NIKO ROHM VISHAY PHILIPS TA LUNIOHM WALSIN YAGEO TA LUNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO 310 414908100910R RES SMD 0805 100 F RT ROHS TA I UNIOHM WALSIN YAGEO RES SMD 0805 220 320 414908220910R RoHS 61 UNIOHM WALSIN YAGEO D1 12 D2 D2 4Q1 2 Q5 1 R6 R3 R3 R
46. 5 of U850 18 2V Check D852 Is the voltage at pin3 of T850 about 518V Service Manual Power include IF 5Vand 3 3V supply normal but LED off and no display Is the key function OK Yes Press power key to DC on the monitor display ok the process is end if no NO display see the no backlight process Is the frequency 14 318MHz at 128 of NO IF Board U105 Change crystal X101 Yes NS Change C164 Is the low active reset signal at 108 of Board 9105 normal NO Yes Yes Change U105 Is the serial clock signal at 6 of IF NO Board U108 normal when power on Change 0108 Yes Upgrade Firmware to Serial Flash U108 Change U105 by VGA port with ISP Tool V4 100 exe Power include IF 5Vand 3 3V supply and display normal only LED off Is the keypad cable connective OK Reassembly or changing Yes Change LED Is LED at keypad work OK Yes Is R165 open yes Change R165 NO Is Q107 work normal Change Q107 Yes Is the LED control signal at 123 of U105high low convertible when DC on off Change U105 45 Service Manual Power include IF 5 Vand 3 3V supply normal but LED Amber Is Power LED Amber YES Do the Hsync amp Vsync Signals exist in CN102 13 amp 14 separately when select mode by OSD Insert VGA Cable correctly Do the Hsync amp Vsync Signals exist in R136 amp R136
47. 60 ROHS XSTR FQPF12N60C N CH TO220F FAIRCHILD Ro XSTR 25 3797 SC 67 TOSHIBA RoHS XSTR STP13NK60ZFP N CH TO220FP ST ROHS DIO ISL9R860PF2 600V 8A TO220F FAIRCHIL DIO STTH8ROGFP 600V 8A TO 220FPAC ST RoH DIO BYC8X 600 600V 8A TO220F philips HEATSINK 40 X20Xt15mm LP2236 SCREW P CROSS M3 8 Zn Description ASSY H S Q850 ROHS XSTR 5 11 80 3 PG TO220 3 31 INFIN XSTR STF11NM80 N CH TO220FP ST RoHs XSTR STP8NK80ZFP N CH TO220FP ST 53 DLK FOXCONN TEKCON ZJGHJ CVILUX FOXCONN DLK FOXCONN ZJGHJ HUAN MOUN TXC ZGC HARMONY TXC ZGC FOXCONN TEKCON FOXCONN TEKCON FOXCONN HEIGHTEN JVE Supplier SECOS FRONTIER TSC DIODES DMC ORIENTAL POWER GAOYI LIQUAN YIJIE Supplier SECOS DIODES FRONTIER DMC ORIENTAL POWER GAOYLLIQUAN YIJIE Supplier FAIRCHILD TOSHIBA ST FAIRCHILD ST PHILIPS DMC ORIENTAL POWER GAOYI YIJIE Supplier INFINEON ST ST 1 CN102 1 CN104 1 CN201 1 X101 1 X301 1 P301 P302 CN303 Usage Location D853 DE N O O O N Usage Location 2 960 0 0 1 2 Usage Location 1 Q853 0 1 D860 N gt Usage Location 1 Q850 0 0 Service Manual 10 4100500601308 XSTR SPA06N80C3 N CH PG TO220 3 31 INFI INFINEON 0 20 507200007800R HEATSINK 40 X20Xt15mm LP2236 DMC ORIENTAL POWER 1 30 509116308100R SCREW P CROSS M3 8 Zn GAOYI YIJIE 1 Description Supplier Usage Loca
48. Button Menu on right corner of front bezel connects to U105 TSUMUS8EHJ LF 50 through CN104 1 R153 U105 50 is defined as Menu Button SELECT on right corner of front bezel connects to U105 TSUMUS8EHJ LF 122 through CN104 4 0105 122 is defined as SELECT Service Manual LED Indicator on Front Bezel a When press button power 0105 TSUMUS8EHJ LF 123 be send in low Voltage make 010743 sends out high Voltage to CN 10445 and then to keypad LED blue on b When in Suspend mode U105 TSUMUSSEHJ LF 124 sends a low Voltage make 010833 sends out high Voltage to CN104 7 and then to keypad LED Amber on 2 3 4 MAIN CHIP U105 TSUMUSSEHJ LF U105 TSUMUSSEHJ LF 86 77 output 8 bit even and 100 91 output 8 bit odd LVDS digital data to panel control circuit through CN103 0105 TSUMUS8EHJ LF 50 output H potential to make 0104 conducted and then make 0101 conducted 5V flow to CN103 1 3 as Panel Vdd 0105 TSUMUSSEHJ LF 109 output CCFL_ON OFF H potential to control Inverter on off U105 TSUMUSSEHJ LF 110 output potential to control Inverter power on off 0105 TSUMUSSEHJ LF 125 outputs Brightness PWM signals to control CCFL brightness TCLK by Crystal 14 318MHz input to 0105 TSUMUS8EHJ LF 128 U105 TSUMUS8EHJ LF 108 is RESET signals input pin Please refer to TS UMUS8EHJ LF Pin Assignments table in pa
49. C 4 7uF 16V 105 VT 5x11 RoHS CAP OS SEP 330UF 16V M 105 C ST 10X13 CAP HG 100UF 16V M 105 C VT 6 3X11 ROHS Description PCBA MAIN BOARD W O SPK SMT LP2236 A19 R C SMD 1206 Y5V 1uF 50V Z RoHS C SMD 1206 Y5V 10uF 25V Z RoHS C SMD 0402 X7R 1000PF 50V K RoHS C SMD 0402 X7R 2200PF 50V K RoHS C SMD 0805 X7R 0 01uF 50V K RoHS C SMD 0402 NPO 100PF 50V J RoHS C SMD 0805 X7R 4700PF 50V K ROHS 55 FRONTIER LITTELFUSE WALTER Supplier JNC POE SUCCESS SEC WANSHENG JNC POE SUCCESS SEC WANSHENG JNC POE SUCCESS SEC WANSHENG LELON SAMXON SU SCON LELON SAMXON SU SCON LELON SAMXON SU SCON SAMXON SU SCON BELFUSE CONQUER LITTELFUSE WALTER AME FAIRCHILD A1SEMI BCD TOSHIBA UTC JNC POE SUCCESS SEC WANSHENG JNC POE SUCCESS SEC WANSHENG ELITE LELON SAMXON SU SCON ELITE LELON SAMXON SU SCON ELITE LELON SAMXON SU SCON NICHICON SANYO LELON SAMXON SU SCON Supplier DARFON MURATA TAIYO TDK WALSIN YAGEO DARFON MURATA TAIYO TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO 1 ZD851 0 1 1 D952 0 2 F851 F8 0 Usage Location 2 858 1 C960 3 881 1 C957 4 C952 C1 1 C933 2 C964 CC 1 F850 3 1851 195 0 0 0 1 Q971 2 C861 CE 2 C867 CE 1 C109 3 C305 C 4 312 3
50. C PM25LV020 100SCE PMC 4120004943108 PM25LV020 100SCE Men IC TSUMUSSEHJ LF 2 15 Function Scaler 0105 4120006530609 TSUMUS8EHJ LF 2 CVILUX C11330MG 16 Function connector CN103 444099030040R P TWO HS9030E EXPRESS 17 PCB PCB 491881500000 PCB er SE HsiangKuo 1 HsiangKuo 18 PCB PCB 491660300100H PCB TAT CHUN HsiangKuo 19 PCB PCB 491881200100H PCB 4 IFRA EXPRESS 20 Function connector P1 P2 FOXCONN 4441790010108 SPRING H V CONN SPRING H V 1P n P3 P4 P5 P6 P7 P8 P9 P10 CVILUX P11 P12 CVILUX 10 2 0MM 90 WFR 10 2 0 90 21 Function connector CN1 430631100070R SMD W LOCK W LOCK ROHS JOWLE CAP OS SVPD 47UF 3 22 Function Capcitor C5 Sanyo F12 35SVPD47M 421024700350R SMD 10X13 XSTR APEC 410050108290R AP9962AGH AP9962AGH N CH TO2 23 Critical Mosfet Q1 02 03 04 Fors NIKO 410050108430R P1504BDG P1504BDG N CH TO25 RoHS OZ9926A SOIC24 O 24 Performance IC U1 02 4120006896308 29926 MICROJRoHS EXPRESS 25 PCB PCB 491882200100H PCB EIN SOP ER 12 LP2236 Hsiangkuo T1 T2 13 DARFON T4 T5 T6 26 Function Transformer T7 T8 T9 FRONTIER 426000091270R SPW 127 XFMR SW 110111 SPW 127 ROHS T12 TDK 27 Mylar Mylar 5050402099028 INVERT MYALR LP2236 INVERT MYALR LP223
51. C874 60 416300144510R CAP PP 0 01uF 400V J F7 5 RoHS EUROPTRONIC HJC SCC 1 C855 70 416304724510R PP 0 0047uF 400V J F5 RoHS EUROPTRONIC HJC NISSEI SCC 1 C955 80 440149000340R SKT 10A 250V U C V W O H ROHS DLK TECX 1 850 90 442299001100R CON POWER JACK 1P JPD1030 H224 4F R DLK FOXCONN S C ZJGHJ 1 CN853 100 411030060013R DIO FR307G 03 1000V 3A DO 201AD TSC TSC 1 D851 100 411030060023R DIO FR30 10G 1000 DO 201AD FRONTIER FRONTIER 0 110 411090050092R SCHTKY SB5150F46 150 5 DO 201AD 2 0930 05 110 4110900500128 5 SR5150PT A3 150V 5A DO 201AD 0 120 4110200780208 DIO IN5406F64 LF 600V 3A DO 201AD FEC R FRONTIER 1 D856 120 411020078090R DIO IN5406 600V 3A DO 201AD F 112 PEC RoH 0 130 412140002380R LTV817M PR VDE LITE ON P 10mm RoHS LITEON 3 1850 1951 130 412140001390R EL817M B EVERLIGHT RoHS EVERLIGHT 0 140 4250000110908 BR3X20 2 2uH 5 ame 2 1854 19 FRONTIER TAICHANG FOXCONN FRONTIER 150 425000011110R COIL T9 5 3 C A05 64uH CHK 111 1 L930 TAICHANG FUTABA QUEENMAO 160 415350100550R 5 2W 100 J MINI HK15 RoHS 1 R960 TZAI YUAN UNIOHM FUTABA QUEENMAO 170 415503228530R RES WW 3W 0 22 OHM J KNP HK20 MINI 1 R870 TZAI YUAN UNIOHM FUTABA QUEENMAO 180 415360200550R RES 3W 200 J HK20 MINI RoHS 1 R856 TZAI YUAN UNIOHM FUTABA QUEENMAO 190 415360753550R RES 3W 75
52. CMP o603 NCS 47k 0 1 16 C62 1 19 614 12 13 10K 060 470PF 0603 2 NPO 4 7nF inF 50V VSEN POL ISEN 079926 18 lt 15 47 0603 2 2u 16V SE 4 07 2 VREF 70 R24 1 R20 100K 0603 vsen 2319 100K 0603 vs2 fc R32 08 5 1K 08 me BAV70 157 R40 1nF 0603 1M 0603 1 5 1K NG K ss 1 x 2 2 R25 R21 100K 0603 100K 0603 C30 R41 09 R14 Bunovine 631 jevne 5 1K BAV7O 5 1K 0603 4 vss T Nd JE 95 3 10 Lc21 R13 RK7002 R17 BAV70 nF 0603 NC 39K 0603 fr 10K 0603 R22 R26 3 100 0603 100 0603 lt 1 le 2 vss d as 014 011 RK7002 D2 BAT54A Innolux BAV70 1 2 1 Dell 2209WA Inverter Lg 2 vsio ize Document Number ev R23 R27 Doc 012 c22 100K 0603 100K 0603 BAV70 sheet 1 of 2 1 nF 0603 2 lt vst2 1 0603 76 Service Manual p1 T 1 4 be HV Leader gt gt vst 2 1 R44 270PF 50V NPO 0609 3 3K 0603 SPW 127 p C84 100pF 50V X7R 0603 R56 49 019 1 33nF 25V 0603 BAV99 SOT p2 1 HV Leader Reo gt gt vs2 1 Ras 3 6K 0603 SPW 127 gt g
53. Check R135 amp R136 Do the Hsync amp Vsync Signals exist U105 32 amp 33 Check 133 amp R134 Change U105 46 Service Manual 4 Power include IF 5 Vand 3 3V supply normal key function backlight can t be turned on Backlight cannot be turned on is the on off control signal come from IF ok Is the on off control signal 109 of U105 high low convertible when DC on off No Change U105 Is the voltage 16V at T1 PIN4 Check Ul pin6 Voltage is SV Check Ul pinl Voltage is lower YES Check pin7 and pin10 Open or Short Yes Change Tl 47 Service Manual 5 Backlight on key function and LED accurate indication ok but no picture Backlight on key function and LED accurate indication ok but no picture YES YES IS the display is white and cannot display OSD when press key Is the panel ena signal at 73 of U105 if no chec Q104 circuit or U105 if yes Che Q101 circuit Check DC 5 0V on CN103 1 2 3 Is display selftest picture at Is there R G B signal in Check VGA VGA mode or DVI mode 0105 28 25 23 circuit D105 D D103 R114 R11 DVI C113 C114 C115 YES Are there data output on Is the FFC ca U105 77 86 inserting ok i 91 100 reinsert else change FFC Change U105 Is there DVI signal in U105 9 10 12 13 15 16 18 19 Check DVI input circuit D202 D
54. D ATMEL ST CATALYST MSTAR ATMEL ST 0 2 0107 0 0 RB101 F R164 R102 R1 R151 R1 R171 R1 R179 R1 36 R213 Rz R184 R1 R312 R R322 R1 R189 R1 3 R147 R1 R127 R1 9 188 2 R157 R109 R1 R308 R 3 107 3 R117 R1 9 R115 R1 R124 1 159 R133 R1 R155 R1 R131 R1 9 209 2 R158 2 R135 R1 1 R144 2 R165 R1 201 2 205 2 1 9101 0 1 9102 0 0 2 0103 02 0 0 1 9105 1 9106 Service Manual 860 412000481990R IC CAT24C16WI TE13 SOIC 8 CATALYST RoHS 47T0PF 50V J RoHS 59 CATALYST 0 870 412000494190R IC SST25LFO20A 33 4C SAE SOIC8 SST ROHS SST 1 U108 870 412000661620R MX25L2025MC 12G MXIC RoH MXIC 0 870 412000494310R PM25LV020 100SCE SOIC8 PMC RoHS PMC 0 20102 2 20105 2 880 411130962950R ZENER 6 2V MMSZ5234B SOD 123 PANJIT RoH 20203 2 20202 880 4111214629508 ZENER 6 2V BZT52 C6V2 SOD 123 WILLAS ROH WILLAS 0 880 411131562950R ZENER 6 2V BZT52C6V2 7 F SOD 123 DIODES DIODES 0 890 491881200100H 2 OSP FR4 12 LP2236 HF EXPRESS HSIANGKUO 1 900 414918033450R RES SMD 0402 330 J RT ROHS TA I UNIOHM WALSIN YAGEO 1 R303 910 414918010550R RES SMD 0402 1 J RT RoHS TA I UNIOHM WALSIN YAGEO 4 R311 R1 FB308 F 920 432002312113R BEAD CORE SMD 0805 1200 PBY201209T 1 CHILISIN MAGLAYERS TAI TECH 930 432002330142R BEAD CORE SMD 0603 3000 2A PBY160808T 3 CHILISIN TAI TECH 2 FB306 F FB301 F 940
55. D 0805 3300 F RT RoHS RES SMD 0805 2 2 J RT RoHS RES SMD 0805 20 F RT RoHS IC SG6901ASZ SOP20 SG RoHS IC LD7575PS SOP8 LEADTREND RoHS CON SMD 1 0MM 30PIN with lock RoHS 550 419351044010R SMD 0402 X5R 0 1uF 16V K RoHS 570 419314734010R 580 419302700510R 590 419351054060R 600 419302200510R 610 411020026210R 610 411020026090R 610 411020026020R 620 411020047210R 620 411020047090R 620 411020047020R 630 432002312144R 640 432002360140R 650 410500068290R 650 410500075270R 650 410060018380R 660 410500045210R C SMD 0402 X7R 0 047uF 16V K RoHS C SMD 0402 NPO 27PF 50V J RoHS C SMD 0603 X5R 1uF 16V K RoHS C SMD 0402 NPO 22PF 50V J RoHS DIO BAV99 350mW 70V SOT 23 PHI RoHS DIO BAV99 350mW 75V SOT 23 PEC RoHS DIO BAV99 LF 350mW 70V SOT 23 FEC RoHS DIO BAV70 85V SOT23 PHILIPS RoHS DIO BAV70 70V SOT 23 PEC ROHS DIO 70 70V SOT 23 FEC ROHS BEAD CORE SMD 0603 120Q 300mA SBK160808 BEAD CORE SMD 0603 600 600mA GBK160808 XSTR AP2305GN P CH SOT23 APEC RoHS XSTR AO3415 P CH SOT23 AOS RoHS XSTR AM2321P T1 PF P CH SOT23 ANALOG POW XSTR PMBT3904 NPN 200MA 40V SOT23 PHILIP 1 UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO SG LEADTREND CVILUX P TWO DARFON MURATA TAIYO TDK WALSIN YAGEO DARF
56. DS B Link Negative Clock Output Output LVDS B Link Positive Clock Output GPIO Interface _ Function GPIO 14 I O w 5V tolerant General Purpose Input Output PWMO Pulse Width Modulation Output 4mA driving strength GPIO P15 w 5V tolerant General Purpose Input Output 4mA driving strength GPIO P16 I O w 5V tolerant General Purpose Input Output 4mA driving strength GPIO 22 w 5V tolerant General Purpose Input Output PWM1 Pulse Width Modulation Output 4mA driving strength GPIO P47 w 5V tolerant General Purpose Input Output 4mA driving strength GPIO P43 GPIO_P42 Input Output General Purpose Input Output 4mA driving strength GPIO 24 I O w 5V tolerant General Purpose Input Output PWM2 Pulse Width Modulation Output 4mA driving strength 25 Service Manual Pin Name Pin Type Function GPIO 00 GPIO 02 GPIO 06 I O w 5V tolerant I O w 5V tolerant General Purpose Input Output 4mA driving strength General Purpose Input Output 4mA driving strength 55 57 GPIO 4 I O w 5V tolerant Output General Purpose Input Output Pulse Width Modulation Output 4 driving strength General Purpose Output 4mA driving strength Output General Purpose Output 4mA driving strength GPIO 25 PWM3 GPIO 26 PWMO I
57. GND Ground Power Ground OPFC PFC Gate Drive The totem pole output drive for the PFC MOSFET This pin is internally clamy 18V to protect the MOSFET VDD 2 3 Supply The power supply pin Two level output voltage setting for PFC The PFC output voltage at low lir PFC Output voltage RANGE 116 Control reduced to improve efficiency The RANGE has high impedance whei VRMS voltage is lower than a threshold PFC Over Voltage The PFC stage over voltage input The comparator will disable the PFC output 17 Input voltage at this input exceeds a threshold This pin can be connected to FBPFC connected to the PFC boost output through a divider network FBPFC Voltage Feedback feedback input for voltage loop The inverting input of error Input for PFC is connected to the PFC output through a divider network Error Amp Output The error amp output for PFC voltage feedback loop A compensation network VEA for voltage capacitor is connected between this pin and ground A large capacitor value w feedback loop a narrow bandwidth and hence improve the power factor IAC Before start up input is used to provide startup current for VDD Fi operation this input is used to provide current reference for the multiplier 30 Service Manual Chapter 4 Disassembly amp Assembly 1 Exploded Diagram 31 1 Service Manual
58. Heigh Low To Koypad 3 4 5 Ies Board 5 a 85 DA USD 2 Low Heigh 9 9 724 6 an s 72 Document Numbe CustpmDoc gt aie Wednesday S Service Manual 45V PI 5V USB USB 3 34 0301 0301 LD1117AL 3 3V AP2305GN FB306 HI 3 vout FB301 E Bp P301 DM 1 2 DMO C305 C306 amp 5 C304 3 1 DP 4 8 01 160 2 1 04 16 114 3 DP COMM CHOCK x 4 amp 2 5 2 R322 UC11123 LK1 1 10k 4 gt USB_DET 5 2 USB DET USB EN 8 USB EN T W s 815 0314 BIB R302 10K PMBT3904 1 K 9303 Heigh Low 0 1 16 PMBT3904 Low Heigh Y y lt 5 FB308 1200 5 U302 PWR2 R304 USB2514QF N36 R310 12K 2M 27 DET 35 nal 9 zw DMO 30 DD1P p ce 2 USB 3 3V 8303 USBUP DM USBDN1 DP A7u
59. INL836 CCFL Inverter controller IC Pin Symbol Description 1 55 Enable soft start time and compensation of current error amplifier 2 RT I Timing capacitor to set operating frequency 3 GNDA Ground 4 DRV2 MOSFET Driver output 5 DRVI MOSFET Driver output 6 VDDA I Supply voltage input 7 VSEN DIM I Voltage sense input analog signal for PWM driving control 8 ISEN I Lamp current detection amp control 8 5 U850 SG6901 Main Power controller IC DELL Service Manual PIN DESCRIPTIONS Name No Function i ion in i F ipli f PI VRMS Line Voltage Line voltage detection Tha pin is used for PFC TROC RANGE contrato P Detection voltage brownout protection For brownout protection the controller will be after a delay time when the VRMS voltage drops below a threshold Reference setting One resistor connected between RI and ground detern switching frequency The switching frequency is equal to 1560 RI kHz whe For example if RI is equal to 24kO then the switching frequency will be 6 an This pin supplies an over temperature protection signal A constant current is OTP 3 _ Temperature this pin An external NTC thermistor must be connected from this pin to impedance of the NTC thermistor decreases whenever the temperature increa the voltage of the pin drops below the threshold the SG6901A will E Output 5 is the output of the PFC cu
60. L WWW LP2236 CUSHION TOP LP2236 CUSHION BOTTOM LP2236 LABEL BLANK 101X50mm DELL EMEA CARTON TAPE WRAPPING TYPE PRINTED DELL BLACK ASSY PACK 40HQ LP2236 ASSY PACK 20STD LP2236 ASSY PACK 40STD LP2236 ASSY PACK AIR JAPAN CARGO 20STD LP2236 ASSY PACK AIR JAPAN CARGO 40STD LP2236 Description ASSY FINAL B W OSPK LP2236 A19 2209WAf SCREW F CROSS T T 2 3 BLK SCREW P CROSS M4 10 BLACK NL NYLOK LABEL CARD LP1931 ASSY BACK COVER LP2236 SILVER ASSY STAND LP2236 ASSY FRONT BEZEL LP2236 Black ASSY PANEL W OSPK LP2236 A19 2209WAf Description ASSY PACK 20STD LP2236 64 FOXCONN GREATLANE F FOXCONN I SHENG Supplier mig mm 2S RE 48 5 AE AE mim KER mim mim mig Supplier lt om I Supplier 10 506432000600 20 506037011200 30 5060390069008 40 506039006200 50 506431000300R 60 506380002612R ITEM P N 713010005601R 10 506432000600R 20 506037011200R 30 506039006900R 40 506039006200R 50 506431000300R 60 506380002612R ITEM P N 713010005602R 10 506432000600R 20 506037011200R 30 506039006200R 40 506039010000R 50 506431000300R 60 506380002612R ITEM P N 713010005603R 10 506150006900R 20 506037011200R 30 506039008700R 40 506039001400R 50 506431000300R 60 506120400100R 70 506380002612R ITEM P N 713010005604
61. M pin11 results in minimum and maximum brightness respectively The striking and operating frequency is determined by the external resistor R16 and capacitor C1 connected to 8 LX1 HDR1 and LX2 HDR2 of U1 are used to drive Q1 Q2 and 04 LX1 HDR1 LX2 HDR2 are controlled by build in PWM IC 01 Q 2 and Q3 Q4 are switches that everyone has a build in IGBTs ISEN pin13 For lamp detection if the peak voltage at ISEN pin13 is less than approximately 0 8 ADJ and the voltage at VSEN POL pin12 is greater than the preset voltage at OVPT pin16 this indicates the lamp has not been ignited During soft start lamp striking mode if the voltage at ISEN pin13 is greater than approximately 0 8 ADJ and the voltage at VSEN POL pin12 is less than the preset voltage at OVPT pin16 this indicates lamp ON condition The striking period will end and the IC will switch to the normal operation mode Once the IC switches to the normal operation mode ISEN becomes pin13 the feedback signal input pin for the current regulation loop ADIM pin18 Reference voltage for analog dimming The ADIM is used to deal with the signal of DCR from IF BD U1 can adjust the CCFL current automatically based on the DCR signal Clamped between 0 52V and 2 45V ADIM is passed into OZ9926A as ADJ ADJ is the positive input signal to the internal OTA used for current regulation Thus ADJ controls the lamp current amplitude ADJ also
62. MOSPEC 0 30 415340472540R RES 1W 4 7 MINI RoHS d 1 R865 TZAI YUAN UNIOHM 40 415320152540R RES 1 4W 1 5 MINI RoHS nn 1 R859 TZAI YUAN UNIOHM 50 414040208540R RES FSM 1W 0 20 MINI RoHS Mr 3 FR850 F TZAI YUAN 60 430613050100R SLOW PICO II 5A 125V U C AT ROHS LITTELFUSE 1 2853 60 430613050101R FUSE SLOW 5A 125V U C AT ROHS WALTER 0 70 432002200220R FERRTIE BEAD 3 5 6 0 65 AT RoHS CHILISIN MAGLAYERS 2 80 411130620020R ZENER 20V GDZ20B LF DO34 FEC ROHS FRONTIER 2 20951 2 80 411130920020R ZENER 20V GDZ20B DO34 PEC ROHS 0 90 411130656920R ZENER 5 6V GDZ5 6B LF DO 34 FR ONTIER Ro FRONTIER 1 ZD971 90 411130956910R ZENER 5 6V GDZ5 6B DO35 PANJIT RoHS 0 90 411131456910R ZENER 5 6V GDZ5 6B DO35 WILLAS RoHS WILLAS 0 100 411130630020R ZENER 30V GDZ30A LF DO34 FEC ROHS FRONTIER 1 ZD972 100 411130930010R ZENER 30V GDZ30A DO35 PANJIT RoHS 0 100 4111314300108 ZENER 30V GDZ30A DO35 WILLAS RoHS WILLAS 0 110 411130616011R ZENER 16V GDZ16A LF DO 34 FRONTIER RoHS FRONTIER 1 ZD973 110 411130916011R ZENER 16V GDZ16A DO35 PANJITJRoHS 0 54 120 4110200840908 120 4110200840106 130 791921240 00 140 4110200640908 140 4110320010208 150 4306130401008 150 4306130401018 791921260A00R 10 418210233030R 20 418222263030R 30 418210133030R 40 420221000530R 50 420224700530R
63. O 0603 2 4 3K 0603 4 3K 0603 SPW 127 SPW 127 msy Res al 1 ces 1 4K 1 06 css 100pF 50V X7R 0803 1 4K 1 0603 33nF 25V X7R 0603 029 BAV99 SOT 1 2 4 T8 5 HV Leader R79 gt gt vse L 1 R55 2 28 46 27 50 NPO 0603 2 3 6K 0603 270PF S0V NPO 0602 4 3 0603 SPW 127 SPW 127 p C67 100pF 50V X7R 0603 771 026 BAV89 SOT iss Res 590R 1 0603 2 2nF 25V X7R 0603 R67 590R 1 0 030 BAVS9 SOT Innolux ie 2 2 Dell 2209WA Inverter ize Document Number aie Tuesday September 16 Service Manual CN101 8PIN 1 25 00 LO QN 05 504 503 501 Amber 9 LEDO1 LED G A 2 2 2 2 e MENU PLUS MINUS SELECT POWER 4 USB convert board schematic P001 P CN102 DOWN DOWNF 1 1 GND 100uF 16 100uF 16V 78 Service Manual 79 Attachment 3 Layout power inverter bd inverter board Top Layer Rev A 2008 10 14 Bottom 80 Service Manual Main board Top Layer 81 BELL Service Manual Bottom Layer 82 BELL Service Manual 9 MOTTOS 00 21230 A 0000
64. O board 1 P Cross W WASM3 6 Zn Co 1 Cross M3 6 Zn Co 2 SPACER SUPPDRT 1 BOLT H4 40x12 5 4 usb board 1 P Cross W WAS M3 6 Zn Cc 1 invert cover 1 usb cover 1 4 l CrossM3 4Zn Co 4 CHASSIS TOP 1 spring 2 bracket vesa left 1 bracket vesa right 1 P cross T T 3 4Zn 2 dip EMI gnd 3 LP1702 2 Side 1 P Cross WIWAS M3 6 Zn Co t 12 STAND ASSY 1 FINAL ASSY 1 34 Note 1 The arrows point out the direction of assembly 35 Service Manual Chapter 5 TEST AND ADJUSTMENT Function key Definitions M P 1 Control buttons on the front bezel 2 KEY FUNCTION CONTROL KEY KEYS FUNCTION MENU A When OSD isn t shown on screen press MENU to enter OSD interface B When OSD displays press MENU to exit OSD A When MENU OSD displays press these keys to change the contents of an v adjustment item or change an adjustment value B When MENU OSD un displays press to adjust Brightness and Contrast And press v to enter Auto adjustment progress Input state select or enter OSD sub menu when OSD displays POW ER Power on or off the monitor 3 Hot Key Operation HOT KEY OPERATION FUNCTION DESCRIPTION MENU v ENTER POWER Press amp MENU atth
65. ON TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO DARFON MURATA TAIYO TDK WALSIN YAGEO DARFON TDK WALSIN YAGEO PHILIPS FRONTIER PHILIPS FRONTIER CHILISIN TAI TECH CHILISIN TAI TECH AOS AP PHILIPS 3 R898 R 1 R938 1 R956 1 R958 1 R964 2 R968 RE 1 R967 1 U850 1 U950 1 CN103 C104 C1 C110 C1 C126 C1 C135 C1 C139 C1 C144 C1 C149 C1 C156 C1 65 C165 C1 C170 C1 C174 C1 207 2 211 2 304 5 316 320 326 113 1 T C120 C1 2 C130 C1 2 148 4 C157 C1 D102 D1 0202 02 0206 02 0210 0 0 2 0106 02 0 0 1 FB101 2 FB102 F 2 0101 0 0 0104 0 9302 0 Service Manual 660 410500045140R 660 410500045090R 670 410500046210R 670 410500046090R 670 410500046180R 680 414916000050R 690 414918010350R 700 414918000050R 710 414918047250R 720 414918010450R 730 414918027350R 740 414918750910R 750 414918047150R 760 414918010250R 770 414918010150R 780 414918022250R 790 414918390010R 800 414916033150R 810 414918010050R 820 412000332130R 820 412000332830R 830 412000330020R 830 412000330830R 830 412000330070R 840 412000435481R 840 412000480280R 840 412000480990R 850 412000653060R 860 412000224482R 860 412000224280R XSTR MMBT3904LT1G NPN 200MA 40V SOT23 ON XSTR MMBT3904 NPN SOT 23 PANJIT RoHS XSTR PMBT3906 PNP 200MA 40V SOT23 PHILIP XSTR MMB
66. R 10 506150006900R 20 506037011200R 30 506039008700R SLIP SHEET L1370xW880mm LE 1711 SUNSTREAM CARDBOARD COVER L1224xW880xH100xT3mm LP2 4 amp 3 amp ff CORNER PAPER 950x50x50xT3mm LE1712 CORNER PAPER 1100x50x50xT3mm LE1513 ROH 2 25 FILM PE 500mmx900M ROHS ZEHN TAPE WRAPPING TYPE 50Mx82mm Description Supplier ASSY PACK 40STD LP2236 SLIP SHEET L1370xW880mm LE 1711 SUNSTREAM CARDBOARD COVER L1224xW880xH100xT3mm LP2 4 amp 3 amp ff CORNER PAPER 950x50x50xT3mm LE1712 vu CORNER PAPER 1100x50x50xT3mm 1 1513 25 FILM PE 500mmx900M ROHS ZEHN TAPE WRAPPING TYPE 50Mx82mm Description Supplier ASSY 40 1 2236 SLIP SHEET L1370xW880mm LE 1711 SUNSTREAM CARDBOARD COVER L1224xW880xH100xT3mm LP2 FE LER CORNER PAPER 1100x50x50xT3mm LE1513 ROH 8 25 CORNER PAPER L1350X50X50XT3MM LP1716 500mmx900M ROHS 8 TAPE WRAPPING TYPE 50Mx82mm Description Supplier ASSY PACK AIR JAPAN CARGO 20STD LP2236 PALLET L1284xW914xH120mm LE1746 CARDBOARD COVER L1224xW880xH100xT3mm LP2 amp 3 amp ff CORNER PAPER 900x50x50xT3mm LP1704 CORNER PAPER 200x50x50mm ROHS 500mmx900M ROHS ZEHN BAG AIR DUNNAGE 2000x1000mmLE1X03 ROHS SISUN TAPE WRAPPING TYPE 50Mx82mm Description Supplier ASSY PACK AIR JAPAN CARGO 40STD LP2236 PALLET L1284xW914xH120mm LE1746 CARDBOARD COVER L1224xW880xH100xT3mm LP2 amp 3
67. RXCKP GPIO P25 PWM3 RE 4 mc FOCKN GPIO P13FPWM2 4 DDC_SDA DVI DDCD SDA 4 DDC SCL DVI 120 McLGPIO Pro 1 38 AVDD 35 RI 7 126 MDAIGPIDIPAS RET 49 R216 A IK i 9 GPIO P45 cus 48 GE GPIO P47 10K c ss 9105 eg SUMUS58EHJ LF 2 3 R189 R190 SELECT nis SELECT E 906 8 2500 41 lvcc 50 2800 41 soo LvgoP HOLDE CS LVBIM we ew Sl Wor vere s SDI LVB2M b R192 WESLVOTOR TOOSCE VEER 10K LVBCKM 108 LVBCKP LVESM LVB3P P Ao 128 t Q107 GND X101 R146 LVADP ii your RISS 330 7 3 x BYPASS 8 VDDP 33 LVACKM b LVAGKP Hp RES LVAIM EUR owe LZ XESS 5 5 m By 2 amp 8 BBs goo SEROORORRR 5562262566 8 id E 7 PMBT3906 GND AAS save 560 R0603 1088 6 LED A R163 10K R162 100 USHEEN 5 PWR24V_ON 8 2 0mm 8 MENU KEY KEY1 off NTERSPLU PWR24V ON 8 MND vec SELECT KEY 2 TED BLUE d LED AMBER USB DET vss E zu 2 AKT 8 FEE mH
68. S TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO 2 C813 CE 2 C872 CE 2 C897 C1 2 951 6 1 C935 1 C866 1 C953 1 9930 2 Q953 QX 0 2 951 0 0 2 0861 0 0 0 2 0953 06 0 0 1 813 1 R989 2 R814 RE 4 R825 R 1 R821 2 829 1 R860 2 940 1 R969 1 R864 2 R817 RE R885 RE 12 858 R937 R 1 R816 2 943 1 R824 1 R931 2 R854 RE 2 R942 RE 4 R831 RE 4 R871 RE 835 839 R981 R R985 R 4 R891 RE Service Manual 450 414918100210R 460 414918392210R 470 414908047050R 480 414908100310R 490 414908330010R 500 414908022250R 510 414908200210R 520 412000532021R 530 412000453820R 540 444099030040R RES SMD 0402 10 F RT RoHS RES SMD 0402 39 2 F RT RoHS RES SMD 0805 RES SMD 0805 47Q J RT RoHS 100 F RT RoHS RES SM
69. STMENIT I 1 FUNCTION KEY DEFINITIONS cicssscscecscuccevsssuctancbeccccssssusncncesesecesbensbesdbeectenssseshendssnceebeseushandbeccecesbeusbcsdesececeeseeshenshes 2 OSD u 3 FACTORY MODE INTRODUCTION 2 l 4 BURNSIN PATTERN RR TU u 5 AUTO COLOR BALANCE AUTOMATICALLY CALIBRATE CHIP ADC PARAMETER BY USING CHIP INTERNE 5 re 0 1 20 uu e nnd pe IM LL E 6 UPLOAD FIRMWARE TO MCU VIA CABLE errrrrvrvrvrvrvrerererererererererererererererererererererererererererevererererererererereveverere 7 AFTER REPAIR TO ENSURE THE QUALITY YOU SHOULD DO THE FOLLOWING TEST AND ADJUSTMENT rr Dd E LAM ita CHAPTER 6 TROUBLE SHOOTING a aaa oo pea e Hk eo 1 COMMON nnne eene aieiai sese e 2 NO POWER LED OF ease 2 POWER NORMAL LED eee
70. T3906 PNP SOT 23 PANJIT RoHS XSTR MMBT3906LT1G PNP 200mA 40V SOT23 ON RES SMD 0603 00 J RT RoHS RES SMD 0402 10KQ J RT ROHS RES SMD 0402 00 J RT RoHS RES SMD 0402 4 7 J RT RoHS RES SMD 0402 100 J RT RoHS RES SMD 0402 27 J RT RoHS RES SMD 0402 750 F RT RoHS RES SMD 0402 4700 J RT RoHS RES SMD 0402 1 J RT RoHS RES SMD 0402 1000 J RT RoHS RES SMD 0402 2 2 J RT RoHS RES SMD 0402 3900 F RT RoHS RES SMD 0603 3300 J RT RoHS RES SMD 0402 100 J RT RoHS IC AP1117D33LA 3 3V ANACHIP TO 252 3L IC AS1117R 3 3 TR LF TO 252 A1 SEMI RoHS IC LD1117AL 1 8V A SOT223 UTC RoHS IC AS1117L 1 8 TR LF SOT223 A1 SEMI RoHS AZ1117H 1 8 SOT223 AAC RoHS AT24C02BN SH T 2K SOIC8 ATMEL RoHS M24C02 RMN6TP SO8 ST RoHS IC CAT24C02WI TE13 SOIC 8 CATALYST RoHS IC TSUMUS8EHJ LF 2 PQFP128 MSTAR Rohs IC AT24C16BN SH T 16K ATMEL SOIC 8 ROHS M24C16 WMN6TP 508 16K ST ROHS SR ON SEMI PANJIT PHILIPS PANJIT ON SEMI TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO UNIOHM WALSIN YAGEO TA I UNIOHM WALSIN YAGEO ANACHIP A1SEMI UTC A1SEMI BC
71. WA proto1 proto3 dell2209wa Ot 2 Invert board schematic 75 Service Manual c5 R33 47u 35V 0 1uF 50V 10u 35V 22R 0805 HDR1 1 t AP9962 01 R37 635 10u 35V 54 10 060 470PF 0603 1 C13 1 LXI ein VREF gt 4 j gt v VIN 1 24V 10u 35V 2 24v 1 1 R34 VN ES 249 22 0805 oa 023 LDR1 1 AP9962 GND 5 0 47uF 25V X7R 0805 0 47uF 25V X7R 8 gt DIM 7 Ut 6 8 R18 R9 10K 060 470PF 0603 GND p De T 24 10R 0808 750K 0603 DOR 23 CONTOPIN HDR2 HDR1 836 R4 R3 22 22R 0805 1K 0603 10K 0603 BST 5 5V E 21 LDR1 VREF KVREF 20 uF 50V 0805 C61 LDR2 VIN Em zen 10K 060 470PF 0603 19 C2 0 1 16V 2 2u 16V S 8 8 GND ENA Tum R7 33K 0603 100K 0603 M ADIM 18 2 24 16 30 1 0603 8 17 t UVLS 1 Ww 9 16 R36 SYNC OVPT 22R 0805 n 19 Ler H E 11 14 16 R8 C17 100K 0603 PDIM SST
72. WASM3 6 Zn Co 5 T2 3BLK 4 back cover 1 BOLT 4 40 N1 4 1 CrossM3 6 Zn Co 2 CHASSIS TOP 1 1 REAR 10871 1 CHASSISTOP ASSY 1 spring 2 POrOSSWWASM3 6Zn Ca 10 bracket vesa 1 FRANE 1 bracket vesa right 1 Invert chassis P cross T T 3 4 Zn 2 nr EMI gnd 3 LP1702 2 FRONT BEZEL ASSY 1 CHASSIS TOP mylar 1 P Cross WWASMS amp Zn Cc M kensington lock 1 usb board 1 A P Cross W WAS 6Zn Co 1 2 STANDASSY 1 lease button 1 vesa release on usb cover 1 Cable cover ASSY 1 PANELASYT _ P CrossM4 10 BLACK NL 4 OFD1 7 FINALASSY 1 Note 1 The arrows point out the direction of disassembly 33 Service Manual 3 2209W Assembly Block FFC CABLE I LP2236 BOM STRUCTURE back cover 1 M D FRAME 1 BACK COVER ASSY 1 L R 2 ASSY CHASSIS BTM SCFEWI ROSS T T 3 5 24024 CHASSI S aur kensington lock 1 iun release button 1 LABEL POWER LENS 1 front 1 ogo UX383 1 BTM CHASSIS MYLAR 1 d PANEL ASSY 1 TOP CHASSIS MYLAR 1 P Cross M4 10 BLACK NL 4 Tape ACE 80 20 3 screw 2 zn coy FRONT BEZEL ASSY 1 Rubber 1 screw f cross T 2 3 BLK 4 AI
73. al input terminal 15 16 12 13 9 10 18 19 and then TSUMUSSEHJ LF LF deals with signal internally D202 D203 D204 D205 D206 D207 D208 D209 are ESD protector to prevent U105 from ESD Signal DDC SCL series clock inputs via CN201 6 and then passes through ZD204 Zener for ESD protection via R209 goes into EDID EEPROM IC U201 6 Signal DDC series data inputs via CN201 7 and then passes through 710203 Zener for ESD protection via R210 goes into EDID EEPROM IC U201 5 CN201 15 is defined as cable detect pin the detect pin can create a pull low signal send to U105 49pin via R216 to identity cable connection if plug out the DVI cable the U105 49pin will receive a high signal and system enter self test mode when exit factory mode the device must set at DVI input mode U201 is an EEPROM IC which is memory and DVI input EDID data saved in it the 0201 power is supplied by PC via CN201 14 through D201 or supplied by Monitor self via D201 2 3 3 Buttons Control Button Power on right corner of front bezel connects to U105 TSUMUSS8EHJ LF 4 through CN104 8 and R125 0105 4 is defined as power on off Button on right corner of front bezel connects to U105 TSUMUS8EHJ LF 120 through CN104 2and R154 U105 120 is defined as Plus Button on right corner of front bezel connects to 0105 TSUMUSSEHJ LF 121 through CN104 3 and R155 0105 121 is defined as Minus
74. and R831 R832 R833 R834 gets to VRMS and pin to start 0850 Meanwhile the VDD supply current is as low as 100 uA thus most of the HV current is utilized to change the VDD capacitor R858 C822 For normal operation this input is use to provide current reference for the multiplier RI pin is to program the switching frequency By connecting R814 to ground to set the switching frequency f 2 1560 R814kohm 2 1560 24 2 65 2 PFC output voltage control For an universal input 90 264 power supply applying active boost PFC and Fly back as a second stage the output voltage of PFC is usually designed around 250V at low line while it is 380V at high line This is to improve efficiency for low line input In U850 SG6901A the RANGE pin is used for the two level output voltage setting The RANGE output is shorted to ground when the Vrms voltage exceeds 1 95V while it is of high impedance whenever the Vrms voltage drops below 1 6V The output voltage can be designed using below equation Range Open Voutput R981 R982 R983 R984 R822Y R821 Range Ground Voutput R981 R982 R983 R984 R822 R821 R822 R821 3V PFC Over voltage Protection When the OVP feedback voltage exceeds the over voltage threshold the U850 will inhibit the PFC power converter form operating abnormally while the FBPFC pin is open U850 provides an OTP pin for over temperature protection A constant current is
75. ed on the rating label on the rear cover of the monitor If you re unsure the power supply in your residence consult your local dealer or Power Company Use only the specified power cord that comes with this monitor Do not try to repair the monitor by yourself as it contains no user serviceable parts This monitor should only be repaired by a qualified technician Do not remove the monitor cabinet There is high voltage parts inside that may cause electric shock to human bodies Stop using the monitor if the cabinet is damaged Have it checked by a service technician Put your monitor only in a lean cool dry environment If it gets wet unplug the power cable immediately and consult your closed dealer Alwaysunplug the monitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the class screen Do not place heavy objects on the monitor or power cord PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety visual inspections and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage wattage etc Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock fire or o
76. esame and then FACTORY MODE press POWER for DC power on Press the A to enter factory menu Brightness amp To show the Brightness amp Contrast Contrast menu Auto adjustment Enter Auto adjustment progress Select Input Select the input source Service Manual 4 OSD Control Service Manual L B In OSD dialog box should show current input video signal 1 stands for Auto Detect 2 stands for input 3 stands for DVI input current model resolution Ver Freq optimum resolution 5 OSD Message After disconnecting the cable Self Test message should show as below Cable Present input status 1 Auto Detect 2 input DVI input and present input source should be shown on the top of the message After disabling the sync output for VGA DVI DPMS message should show as below for 3s MESSAGE Entering Power save Press the W or key and the DPMS message should show as below MESSAGE There is no sigal coming from you computer Press any key on the keyboard or mouse to wake it or press the Input button on your display to switch to ano
77. f Component Mount No Connection High Enable R102 R103 R106 R105 Q103 104 5 CCFL_ENABLE Low Enable R103 R104 R105 R102 Q103 R106 R106 10K au Title ND i G DC input Size Document Number A4 lt Doc gt ate Tuesday September 16 2008 She 74 Service Manual pase 184007 Dese cass R856 pono 0850 ii Lasa Lass 1966 0860 1857 Lass FR850 2 yaus m vet am Gi ss cen ini DI UE UE 4 Lon Ea us S s piul w ER EMI Shield
78. for Data Channel 1 Negative DVI Input for Data Channel 2 DVI Input DVI Input Positive DVI Input Data Channel 2 DVI Input Negative DVI Input for Clock Channel DVI Input Serial Flash Interface Pin Pin Type SDO Input w 5V tolerant Positive DVI Input for Clock Channel Function SPI Flash Serial Data Output SPI Flash Chip Select Output SPI Flash Serial Clock SPI Flash Serial Data Input 24 Service Manual LVDS Interface Pin Name Pin Type Function ein Output LVDS A Link Channel 0 Negative Data Output Output LVDS A Link Channel 0 Positive Data Output Output LVDS A Link Channel 1 Negative Data Output Output LVDS A Link Channel 1 Positive Data Output Output LVDS A Link Channel 2 Negative Data Output Output LVDS A Link Channel 2 Positive Data Output Output LVDS A Link Channel 3 Negative Data Output Output LVDS A Link Channel 3 Positive Data Output Output LVDS A Link Negative Clock Output Output LVDS A Link Positive Clock Output Output LVDS B Link Channel 0 Negative Data Output Output LVDS B Link Channel 0 Positive Data Output Output LVDS B Link Channel 1 Negative Data Output Output LVDS B Link Channel 1 Positive Data Output Output LVDS B Link Channel 2 Negative Data Output Output LVDS B Link Channel 2 Positive Data Output Output LVDS B Link Channel 3 Negative Data Output Output LVDS B Link Channel 3 Positive Data Output Output LV
79. ge 2 3 5 Regulator Circuit 5V is from switching power supply 3 3V is generated from Regulator U101 which is supplied by 5V via 101 and through C101 filtering C102 and C105 is 3 3V which supplies toU102 0106 0103 0201 0105 U108output filtering 1 8 is generated from Regulator U102 which is supplied byU101 3 3V through C106 filtering TheU102 output1 8V via FB105 send to U105 3 FACTORY PRESET TIMING TABLE Standard Resolution Horizontal Vertical Frequency KHz Frequency Hz 640 x 480 31 469 59 940 640 x 480 37 500 75 000 800 600 37 879 60 317 800 600 46 875 75 000 1024 768 48 363 60 004 ee 1024 x 768 60 023 75 029 1152x864 67 500 75 000 1280x1024 48 483 60 042 1280x1024 60 087 75 034 1680x1050 55 935 59 887 20 Service Manual IBM DOS 720 x 400 31 469 70 087 4 Power On Off Sequency Hardware power On Off When power cord plug into AC socket Power provides DC 5V to interface board DC 5 is main voltage for panel and Regulator U101 DC is coming from Regulator 0101 DC 3 3v is main voltage for 0105 When DC 3 3V input to 0105 0105 reset circuit active U105 all registers will be set to default that means finish hardware power on When pull out power cord from AC socket the system shut down instantly for no supply Software power On Off When press power key U105 4 receives low
80. ollowe plugging in the VGA DVI cable press Menu button to call out OSD Main Menu Press Plus Key to select Other Settings submenu then choose Factory reset 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 5 MOSAIC pattern on the monitor press Power button on right corner of front bezel to turn off the monitor Press Menu and Plus buttons together and then press Power button to turn on the monitor After power on the device is enter factory modode press Plus buttons to call out factory menu choose Auto Color item then execute Auto Colon item After the Auto Color Balance process finished go back to Other Settings Menu and press Factory Reset to exit Factory mode Upgrade Firmware to Serial via Flash Cable by ISP_Tool V4 100 exe 7 1 Connect the monitor and PC follow Fig 11 an Service Manual Connect to Monitor Connect to PC Connect to PC N Fig 11 x The detailed reprogramming procedures will be described ISP lt Guide Edid 8 4 rar Edid rar ISP User s Guide 20070312 rar ISP Tool V4 100 rar Af
81. output from this pin When the OTP voltage drops below 1 2V 0850 SG6901A will be disable Until voltage exceeds 1 4V During startup of PWM stage the SS pin will charge an external capacitor C816 with a constant current source U850 SG6901A output stage is a fast totem pole gate driver The output driver is clamped by an internal 18V Zener diode in order to protect the power MOSFET Service Manual As shown in Fig 7 peak current mode control is utilized for PWM The 0850 SG6901A inserts a synchronized 0 5V ramp at the beginning of each switching cycle When the IPWM voltage across the sense resistor reaches the threshold voltage 0 65V or 0 7A selected by RANGE the OPWM be turned off after a small propagation delay Tpd pwm When RANGE is shorted to GND the PFC output voltage is high and the corresponding threshold is 0 65 When RANGE is opened the PFC output voltage is low and the corresponding threshold is 0 7V When VDD is lower than the turn off threshold such as 10V U850 SG6901A will be totally shut down Due to the start up resistor will be charged up to the turn on threshold voltage 12V until U850 is enable again If the over loading condition still exists the protection will take place repeatedly This will prevent the power supply from being overheated under loading condition 2 2 4 DC 24 DC 12V and DC 5V Output Circuit and Feedback circuit fig 7 C858 R856
82. rent C960 and R961 form the snubber circuit for restrain peak voltage of Schottky Diode Service Manual 0960 8 0961 The components including C961 C962 C963 L953 and C964 are used to smooth the current waves then DC 5V voltage is supplied DC 5V supply voltage feed back to PWM controller U950 via R964 R968 R963 C969 R965 C968 1951 R962 Used to control the voltage feedback loop R970 R971 R972 R973 C891and 20971 20972 70973 Q971 form a combined OVP circuit 2 2 5 Audio Power output 2 8 Q930 AP9972 F853 4 3 4 4 5A 125V R936 al _ 24V 0931 10 Lt C932 8931 2907 20930 470u 25V R938 1930 2 3 07208 20V 39 2K l 0402 AR 470u 25V 1K 1 4 0932 R932 1N4148 77 9 a CHK 091 20K 1 0402 R933 4 10K R937 935 10K 1nF 50V X R HIGH ON 1930 R935 1 7 Audio on off 1 iis Audio on off 10K 0402 MMBT4401 0402 R934 lt C936 1000p 50V 1M 1 1 0402 0402 7 777 12V audio power is come from linear voltage drop circuit with output on off control circuit L930 use for reduce EMI conduct noise F853 is used for OCP for the LPS test 2 3 Board Circuit see the Attachment 2 Schematic 2 3 1 RGB CAPTURE Signal RED GREEN BLUE input through CN102 1 2 3 Stop DC via C113 C114 and C115 and then enter into U105 TSUMUSSEHJ LF analog input PIN 28 25
83. rrent amplifier The signal from this pin will be c Current en with an internal saw tooth and hence determine the pulse width for gate Input for 7 The inverting input of the current amplifier Proper external will result in excellent input power factor via Non inverting Input The non inverting input of the PFC current amplifier ANN put of I for ne Current Proper external compensation circuits will result in amp N N power 1 average current mode control QNM Peak C t Limit ISENSE r id The peak current setting for PFC N PWM Feedback The control input for voltage loop stage It is internally pi FBPWM through 6 5 resistance an pto coupler from secondary P circuit is connected to this pin The current sense input for the Flyback PWM Via current sense resisto IPWM PWM Current Sense provides the control input for peak current mode control and cycle by cycl limiting AGND 0 Signal Ground During startup the SS pin will charge external capacitor with 50uA constant current source The voltage on FBPWM will be clamped by SS during 99 PWM Soft Stari the event of a protection condition occurring and or PWM being disabled the be quickly discharged OPWM 12 PWM Gate Drive The totem pole output drive for the Flyback PWM MOSFET This pin is clamped under 18V to protect the MOSFET P
84. t is2 065 100pF 50V X7R 0603 L R57 050 590 1 0603 2 2nF 25V 0603 020 BAV99 SOT 1 18 gel HV Leader R70 vss wy 2 R46 270PF 50V NPO 0602 3 6K 0603 SPW 127 2153 R58 Is 1 4K 1 0603 33nF 25V 0603 021 BAV99 SOT pa 1 4 T HV Leader Rn 2 R47 270PF 50V NPO 0602 3 6K 0603 32 127 859 5908 196 0603 022 BAV99 SOT C Documents and Settings F3110995 M 652 2 2nF 25V X7R 0603 3 keypad schematic 5 1 4 4 15 HVTaader 2 gt R76 R72 gt gt vss 4 va i os ve 3 2 cp 270PF S0V NPO 0602 4 7 0603 270PF 50V NPO 060 4 3K 0603 sew 127 _ ss R60 1 4K 1 0603 1 4K 1 0603 33nF 2SV 0603 027 023 BAV99 SOT BAV99 SOT P 1 4 18 HV Leader 516 RIT RS gt gt vse 2 1 6486 R53 2 1 R49 270PF S0V NPO 0602 4 3K 0603 3 9K 0603 SPW 27 SPW 127 865 Ret 590R 1 060 5908 1 0603 2 20 25 0603 028 024 BAV99 SOT BAV99 SOT Pr 1 TH 4 gt DIG a va EE HV Leader T ma gt gt vs7 2 1 R54 ve 3 2 1 R50 270PF 50V NP
85. ter repair to ensure the quality you should do the following test and adjustment 41 Manual Content Equipment Test OSD 1 Signal is set as 1680x1050060Hz 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 Set input mode to 1680x1050060Hz Chroma 2 Set to 32gray scale pattern Signal Generator 3 Set contrast to the maximum At most 6 bars cannot be distinguished Color 1 Do Auto color Balance at 1680x1050 60Hz 32gray Chroma Signal Temperature scale pattern Generator and color 2 Measure color temperature check if it complies with the following temperature Warm 0 328 0 03 y 0 344 0 03 Desktop 0 313 0 03 y 0 329 0 03 Cool 0 283 0 03 y 0 298 0 03 analyzer Modes switching check Use Chroma Pattern Generator to make sequence VESA 640x480 800x600 1024x768 1152x864 1280x1024 1680x1050 9 60H27 the detail supported modes see table 1 and power saving signal 2 Confirm the above timing modes must be full screen and the picture must be normal 3 LED is amber at power saving mode Chroma Signal Generator cable When select model and cable is not plugged Visual check detector self test OSD will be floated Y measurement 1 Set brightness and contrast to default value 75 at
86. terface board to Panel Pin Symbol Description 1 Panel Vcc Panel power supply typ 5 0V 2 Panel Vcc Panel power supply typ 5 0V 3 Panel Vcc Panel power supply typ 5 0V 22 Service Manual 4 5 6 7 GND LVDS LVDS Ground 8 RXE3 LVDS signal of even channel 3 9 LVDS signal of even channel 3 10 RXEC LVDS signal of even channel clock 11 RXEC LVDS signal of even channel clock 12 2 LVDS signal of even channel 2 13 RXE2 LVDS signal of even channel 2 14 GND LVDS LVDS Ground 15 LVDS signal of even channel 1 16 RXEI LVDS signal of even channel 1 17 GND LVDS LVDS Ground 18 RXEO LVDS signal of odd channel 0 19 RXEO LVDS signal of odd channel 0 20 RXO3 LVDS signal of odd channel 3 21 LVDS signal of odd channel 3 22 RXOC LVDS signal of even channel clock 23 RXOC LVDS signal of even channel clock 24 GND LVDS LVDS Ground 25 RXO2 LVDS signal of even channel 2 26 RXO2 LVDS signal of even channel 2 27 1 LVDS signal of even channel 1 28 RXOI LVDS signal of even channel 1 29 RXOO LVDS signal of odd channel 0 30 RXOO LVDS signal of odd channel 0 7 2 CN1 CN2 Connect to Panel Backlight 7 3
87. ther hazards SERVICE NOTES When replacing parts on circuit boards clamp the solder wires around terminals before soldering Keep wires away from high voltage high temperature components and sharp edges Keep wires in their original position so as to reduce interference Adjustment of this product please refers to the user manual Use Pb free solder wire for circuit board preparation Service Manual Chapter 2 SERVICE TOOLS amp EQUIPMENT REQUIRED SIGNAL GENERATOR MULTIMETER SCREW DRIVER OSCILLOSCOPE Soldering IRON SOLDER Lead free RoHS compliance Color Analyzer Fox VISP Programmer Fox VEDID Programmer SO po cu ON o Service Manual Chapter 3 CIRCUIT THEORY Block Diagram Dell 2209WA consists of a main body and a stand base The main body contains a Innolux LCD module with 6 CCFL lamps There are 4pcs PCBA in this monitor one is power amp interface amp Audio board one is invert board one is keypad which is OSD control and one is USB stretch board located on the right side back cover The block diagram is shown as below fig 1 POWER 24V ON OFF 4
88. ther source Factory Mode Introduction With signal input press Power button on right corner of front bezel to turn off the monitor Press and Plus buttons together and then press Power button to turn on the monitor After power on the device is enter factory modode press Plus buttons to call out factory menu see the following Fig Service Manual AutoGolor Burnin ResetTimer Bark Scaler Addr 00 Value 88 EDIDWP High DEBUG ff INFOR Exit Exit from Factory mode and back to INO OSD Status Panel The current setting panel is highlighted Auto Color Automatically calibrate chip ADC parameters by using internal DAC Burn In Enable or disable the Burn in mode by choosing ON or OFF Reset Time Reset the Turn on time of the panel to 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 U105 Dell panel P N LCD Panel Supplier P N Dell P N supplier LGD 22W LM220WE4 P661J Burn in pattern Burn in pattern will self generate automatically without VGA and DVI cable plugged in when the monitor set at Burn in on mode and burn in pattern will not be stopped until 39 Service Manual plugging in the VGA DVIcable Exit Burn in mode method as f
89. tion 735110010140R 55 5 0850 5 10 411050011090R DIO BRDG GBU8J 600V 8A PANJIT RoHS 1 0850 10 4110500100208 DIO BRDG GBU8 06 BF52 LF 600V 8A FEC RoH FRONTIER 0 20 507200007810R HEATSINK 30x20xt15mm for D850 LP2236 DMC ORIENTAL POWER 1 30 509146308102R SCREW PW CROSS W WAS M3 8 Zn GAOYLLIQUAN 1 ITEM P N Description Supplier Usage Location 735110010150R 55 5 0950 5 10 410500059290R XSTR AP27611 A N CH TO 220CFM ADVANCED 1 0950 10 4100501030508 XSTR FMA09N65GX TO 220F FUJI RoHS FUJI 0 10 4100500572804 XSTR STP8NK80ZFP N CH TO220FP ST ST 0 10 4100500601308 XSTR SPAO6N80C3 N CH 220 3 31 INFI INFINEON 0 20 507200007820R HEATSINK 30x20xt15mm for Q950 L P2236 DMC ORIENTAL POWER 1 30 509116308100R SCREW P CROSS M3 8 Zn GAOYI YIJIE 1 ITEM P N Description Supplier Usage Location 791921250A00R BOARD W O SPK AI A LP2236 A19 10 411020063020R DIO 1N4007 LF 1000V 1A DO 41 F RONTIER R FRONTIER 2 D858 DE 10 411020063010R DIO 1N4007 1000V 1A DO 41 TSC RoHS TSC 0 10 411020063040R DIO 1N4007 1000V 1A DO 41 MOSPECRoH 0 10 411020063460R DIO 1N4007 LF 1000V 1A DO 41 Secos RoHS SECOS 0 10 411020063240R DIO 1N4007 1000V 1A DO 41 FAIR CHILD RoH FAIRCHILD 0 20 411032006020R DIO FR10 10 LF 1000V 1A AT FRO NTIER RoH FRONTIER 1 D951 20 4110200530908 DIO PS1010R 1000V 1A DO 41 PAN JIT RoHS 0 20 411032006040R DIO FR107 1000V 1A DO 41 MOSPE C RoHS
90. ve to drive Q950 then the main current flow get to GND bypassing through T850 Q950 Because of the change of current flow wires in the other side of T900 will induct current In the same time the current inducted by wires which connected T900 Pin 1 and Pin 3 with components of D952 Q951 D953 C951 and C952 will be supplied to U950 for normal operating The typical current mode PWM controller feedbacks both current signal and voltage signal to close the control loop and achieve ragulation U950 detects the Q950 current from Isense pin which max voltage is set as 0 85V then the 0950 current can be calculated as peak 0 85V R959 When the sense voltage across the sense resistor R959 reaches the threshold voltage over 0 85V the output GATE drive will be turned off R957 and C953 is used to avoid the Isense pin damaged by the negative turn on spike The voltage feedback signal is provided from the TL431 1951 through the 1950 to the COMP pin When the voltage on COMP is lower than 1 2V the IC will turn off When Q950 is turned off the main current flow will be consumed through 0951 C955 R837 R838 R839 This will prevent Q950 from being damaged under large current impulse and voltage spike RT pin is to program the switching frequency By connecting R958 to ground to set the switching frequency f 2 65 0 R958 100 KHz Service Manual When current flow from the Diode D858 and D859 through R871 R872 R873 R874

Download Pdf Manuals

Related Search

Related Contents

書誌情報検索端末カタログ ( PDF形式、430kバイト )  Nupilac-DC-v1 fds  RT1: 看護教育における協同学習の実践からの学び合い  A.O. Smith AHDS 290 Brochure  Applica JCJ150S  "取扱説明書"  Samsung DVR SHR-2040 User's Manual  NETTUNA 700_Light  

Copyright © All rights reserved. Failed to retrieve file