Page 2 - Service Manual Versions and Revision; No. Version Release; Initial Release; Copyright
1 Service Manual Versions and Revision No. Version Release Date Revision 1 1.0 2008/08/22 Initial Release Copyright Copyright 2007 InnoLux Display. Corp. Ltd All Rights Reserved This manual may not, in whole or in part, be copied, Photocopied, reproduced, translated, or converted to any electronic o...
Page 3 - Service Manual; Table of Contents
Service Manual 2 Table of Contents CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ........................................................................................................... 3 1. SAFETY PRECAUTIONS.............................................................................................
Page 5 - Chapter 2- SERVICE TOOLS & EQUIPMENT REQUIRED
Service Manual 4 Chapter 2- SERVICE TOOLS & EQUIPMENT REQUIRED 1. SIGNAL GENERATOR 2. MULTIMETER 3. SCREW DRIVER 4. OSCILLOSCOPE 5. Soldering IRON 6. SOLDER (Lead free, RoHS compliance) 7. Color Analyzer 8. Fox_VISP_Programmer 9. Fox_VEDID_Programmer
Page 6 - Chapter 3- CIRCUIT THEORY; Block Diagram; Flash; DVI Connector; One Connector; Scalar; INVERTER
Service Manual 5 Chapter 3- CIRCUIT THEORY Block Diagram There are 2pcs PCBA in this monitor, one is power& inverter board which is a single layer board, one is interface board .The system function block diagram as below.This PWA is included switching power supplier, inverter for CCFL and interf...
Page 7 - DC_5V through C23 and C2 will provide power for U1 on the pin6.
Service Manual 6 Electronic Circuit Theory 2.1 Inverter PWM circuit 2.1.1) Inverter Control circuit :( fig.2) C5 1500pF/50V X7R 3.3V Lightest C27 1nF/50V C22 1500pF/50V X7R CCFL_ON/OFF C1 0.1/50V Q2 RK7002 1 3 2 U1 INL836 8 7 6 2 3 1 5 4 ISEN DIM VDDA RT GNDA SST_CMP DRV1 DRV2 OVP R1 open Q3 2N3904 ...
Page 8 - drive Q4, this push and pull the energy in the transformer.
Service Manual 7 drive Q4, this push and pull the energy in the transformer. The voltage signal on negative pole of ZD4 sensed through R35 comes to Pin4 of U1, ISEN (Lamp Current Detection & Control). The CCFL current is detected through R14and reaches a regulated value. The CCFL current detecte...
Page 9 - Power PWM circuit
Service Manual 8 2.2 Power PWM circuit 2.2.1) Block diagram :( fig.4) Fig.4 2.2.2) AC Input and EMI Filter :( fig.5) L850 C H K-007 4 1 3 2 R 852 499K F 850 3. 15A 250V C N 850 H F -301PC B 7MM 1 3 2 R 851 499K C 850 222 Y 2 R T850 5R 4A C 852 0. 47uF X2 R 850 499K C 851 222 Y 2 fig.5 CN850 is a con...
Page 11 - D102 is ESD protector.
Service Manual 10 D I M C 876 0. 1uF / 50V ON / OF F R 858 N C / 5K1 C N 853 SI P-8P 2 1 3 4 6 5 78 +5V +5V GN D GN D D I M EN A Audio_det ec t Audio_on/ of f F 851 5A/ 125V D 855 SR 520 R 860 5K1 R 88720K D 854 SR 520 C 859 10nF / 50V Y 5V R 857 270R C 862 1000pF / 1KV X7R D 856 N C / SB5150 R 871 ...
Page 12 - supplied by Monitor self via D106.
Service Manual 11 - U103 +3.3V is supplied by PC via CN102#9 with D106 and ZD102 for ESD protection, or supplied by Monitor self via D106. - U103 is an EEPROM IC which is memory and EDID data saved in it. 2.3.2 DVI CAPTURE(NA) - Differential Signal input RX0+,RX0-,RX1+,RX1-,RX2+,RX2-,RXC+,RXC- throu...
Page 13 - Standard; VESA
Service Manual 12 3. FACTORY PRESET TIMING TABLE Standard Resolution Horizontal Frequency (KHz) Vertical Frequency (Hz) 640 x 480 31.469 59.940 640 x 480 37.500 75.000 800 x 600 37.879 60.317 800 x 600 46.875 75.000 1024 x 768 48.363 60.004 1024 x 768 60.023 75.029 1152x864 67.500 75.000 1280x1024 4...
Page 14 - AC input connector Pin Assignment; Line; Inner Connector Pin Assignment; Pin Symbol
Service Manual 13 Power supply for panel+5V V DD 90% 90% 10% 0V 10% T1 T2 T5 T6 T7 Signals Valid data (Digital RGB, HS, VS, DE, CLOCK) 0V T3 T4 Power supply for backlight T1(ms) T2 (ms) T3 (ms) T4 (ms) T5 (ms) T6 (ms) T7(ms) SPEC (AUO) 0.5~10 0.0~50 >200 >200 0.5~50 NA >1000 SPEC (LPL) 0.5~...
Page 19 - Description; SO
Service Manual 18 8.2 U108 (Serial Flash) Pin Symbol I/O Description 1 CE# I The device is enabled by a high to low transition on CE#. CE# must remain low for the duration of any command sequence. 2 SO I/O To transfer commands, addresses, or data serially into the device. 3 WP# I/O The write protect...
Page 22 - EMI clip; CHASSIS ASSY; Front bezel; FRONT BEZEL ASSY; Note: 1. The arrows point out the direction of disassembly.
Service Manual 21 2. S1909WN Disassembly Block PANEL*1 keypad board*1 Screw,P,Cross, T,T-2*3,BLK* Button power *1 EMI clip * (P,Cross,M4*10,BLACK-NL)*3 FINAL ASSY*1 (I,Cross,M3*4,Zn-Cc)*4 ( ) (P,Cross,W/WAS,M3*6,Zn-Cc)*3 FFC-CABLE*1 (P,Cross,W/WAS,M3*6,Zn-Cc)* 2 (BOLT,#4-40,NI)*4 Chassis*1 I/F board...
Page 23 - PANEL ASSY; front bezel; FINAL; Note: 1. The arrows point out the direction of assembly
Service Manual 22 3. Assembly Block OSD- button*1 LE1979 ASSEMBLY BLOCK (I,Cross,M3*5,Zn-Cc)*4 (LPL/AUO) (P,Cross,W/WAS,M3*6,Zn-Cc)* 3 FFC-CABLE*1 (P,Cross,W/WAS,M3*6,Zn-Cc)* 2 (BOLT,#4-40,NI)*4 PANEL ASSY *1 BACK COVER ASSY*1 POWER keypad board*1 Chassis*1 I/F board *1 Power board*1 panel*1 CHASSIS...
Page 24 - Chapter 5- TEST AND ADJUSTMENT; Function key Definitions; Every bottom function defining
Service Manual 23 Chapter 5- TEST AND ADJUSTMENT 1. Function key Definitions Every bottom function defining Power Switch with power LED indicator Power: On/Off, includes power indicator and Power ICON white- Active On Amber- DPMS OSD Controls 1. Menu: When OSD isn’t shown on screen, press [MENU] to ...
Page 25 - HOT KEY OPERATION; OSD Control; 日本語
Service Manual 24 Hot Key Operation HOT KEY OPERATION FUNCTION MENU Plus Minus ENTER POWER DESCRIPTION FACTORY MODE ● ● ON Press [ Ï ]& [MENU] at the same time, and then press [POWER] for DC power on. Press the Ï key to enter factory menu Brightness& Contrast ● To show the Brightness& Co...
Page 26 - Power
Service Manual 25 Factory Mode Introduction With signal input, press “ Power ” button to turn off the monitor. Press “ Menu ” and “ Auto/Plus ” buttons together, and then press “ Power ” button to turn on the monitor. After power on, press “ Menu ” button to call out Main Menu (Fig.9). Press “Plus K...
Page 27 - LCD supplier; Press “; Upgrade Firmware to Serial via Flash Cable by ISP_Tool V4.100.exe
Service Manual 26 Dell panel P/N LCD supplier Panel Supplier P/N Dell P/N AUO 18.5”W M185XW01 T022G LPL 18.5”W LM190WH1 W368G Burn-in pattern Burn-in pattern will self-generate automatically without VGA cable plugged in when the monitor set at Burn-in on mode and burn-in pattern will not be stopped ...
Page 28 - Fig 11
Service Manual 27 Fig 11 The detailed reprogramming procedures will be described in ※ ISP User's Guide. Edid 8.4.rar Edid.rar ISP User's Guide_20070312.rar ISP_Tool V4.100.rar After repair, to ensure the quality you should do the following test and adjustment.
Page 29 - Item Content; Menu
Service Manual 28 Item Content Equipment Test OSD function 1.Signal is set as 1366x768@60Hz under General-1 2. LCM button are from left to right, checking whether each single function key and compound function key can be worked. Chroma Signal Generator Contrast Check 1. Set input mode to 1366x768@60...
Page 30 - Chapter 6- TROUBLE SHOOTING; Common Acknowledge; Please confirm the R/G/B color under 32gray scale pattern.; No Power and LED Off; Is the voltage at C854 in the
Service Manual 29 Chapter 6- TROUBLE SHOOTING Common Acknowledge z If you change the M/B, be sure that the U103 and U108 these three components also changed to the new M/B because there was program inside. If not, please re-write EDID or upload firmware into serial flash (U108) via VGA Cable. How to...
Page 33 - Yes
Service Manual 32 Is the frequency 14.318MHz at #32 of IF Board U104? NO 4. Power (include IF +5Vand +3.3V) supply normal, key function OK,but backlight can’t be turned on Backlight cannot be turned on,is the on-off control signal come from IF ok? Is the CN853 inserted CN103 OK? NO Yes Is the on-off...
Page 35 - Chapter 7- RECOMMENDED PART LIST; Color lost in some scale at 32-gray scale pattern
Service Manual 34 6. At 32-gray scale pattern, color lost in some scale Chapter 7- RECOMMENDED PART LIST Dell S1909WN Critical Components List ontent PN Description Supplier Usage Leadtime(days) Capacity 412000628810R IC LD7552BPS SOP8 （ Leadtrend)ROHS LEADTREND 1 65 412000637630R IC INL836GN SOIC8(...
Page 36 - ME; ATTACHMENT 1- Bill of Material
Service Manual 35 412000330020R IC LD1117AL-1.8V-A SOT223(UTC) RoHS UTC, 1 70 412000330830R IC AS1117L-1.8/TR-LF,SOT223(A1 SEMI)RoHS A1SEMI, 0 70 412000330070R IC AZ1117H-1.8 SOT223(AAC)RoHS BCD, 0 65 412000435481R IC AT24C02BN-SH-T 2K SOIC8(ATMEL)RoHS ATMEL, 2 80 412000480280R IC M24C02-RMN6TP SO8(...
Page 38 - Power Key board BOM
Service Manual 37 250 414918010250R A RES SMD (0402) 1KΩ J,RT,RoHS TA-I,UNIOHM, WALSIN,YAGEO, 9 PC R130,R133,R134,R146, R160,R191,R154,R155, R125, 260 414918010150R A RES SMD (0402) 100Ω J,RT,RoHS TA-I,UNIOHM, WALSIN,YAGEO, 4 PC R131,R132,R142,R143, 270 414918022250R A RES SMD (0402) 2.2KΩ J,RT,RoHS...
Page 42 - Attachment 2- Schematic; Interface board schematic; HDCP Function
Service Manual 41 Attachment 2- Schematic 1. Interface board schematic BLU E+ 5 C N 102 D Z 11AA1-H 5W 6-4F 1 6 2 7 3 8 4 9 5 11 12 13 14 15 10 17 16 R 1 18 75 1 % GN D ZD 10 5 6V 2 C 1 26 0 .1/ 16 V VSY N C 5 Lucky R 130 1K GN D R C1 29 27 p/ 50 V GN D C 114 0. 047u/ 16V R 134 1K D 106 BAV70 3 2 1 ...
Page 44 - power board schematic; LP; Re
Service Manual 43 power board schematic 1.2 I nve rter board I NL836 1.1 C ont en ts LP L/ AU O PA NEL 3 2 Re vers ion o f Hi story SH EET 1 RE V1 1.3 P owe r board LD7552 De ll S 190 9W Nf P owe r/In verter S che mati c Di agra m SCHEMA TIC
Page 49 - Power Keypad; Top Layer
Service Manual 48 Bottom Layer Power Keypad Top Layer
Page 50 - Bottom Layer
