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Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information

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File name:LG Chas.CL-64 Flat.L1730SSFT-2.pdf
Size:1829 kB
Extension:PDF
Mfg:
Model:L1730SSFT 🔎
Original:CL-64 🔎
Descr:LG Chas. CL-64 Flat. L1730SSFT
Group:Electronics > Computer equipment > Monitors
Uploaded:06-01-2009
User:old4
Multipart: 0  1

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File name LG Chas.CL-64 Flat.L1730SSFT-2.pdf

LIPS Board Block Diagram 12V 50 ~ 60Hz HVDC 100KHz EMI COMPONENTS INPUT RECTIFIER AND FILTER ENERGY TRANSFER OUTPUT RECTIFIER AND FILTER 5V GND LINE 100 ~ 240V PWM CONTROL CIRCUIT PHOTO-COUPLER ISOLATION SIGNAL COLLECTON PRIMARY SECONDARY 12V INVERTER CIRCUIT High Voltage output Operation description_LIPS 1. EMI components. This part contains of EMI components to comply with global marketing EMI standards like FCC,VCCI CISPR, the circuit included a line-filter, across line capacitor and of course the primary protection fuse. 2. Input rectifier and filter. This part function is for transfer the input AC voltage to a DC voltage through a bridge rectifier and a bulk capacitor. 3. Energy Transfer. This part function is for transfer the primary energy to secondary through a power transformer. 4. Output rectifier and filter. This part function is to make a pulse width modulation control and to provide the driver signal to power switch,to adjust the duty cycle during different AC input and output loading condition to achieve the dc output stabilized, and also the over power protection is also monitor by this part. 5. Photo-Coupler isolation. This part function is to feed back the DC output changing status through a photo transistor to primary controller to achieve the stabilized DC output voltage. 6. Signal collection. This part function is to collect the any change from the DC output and feed back to the primary through photo transistor - 15 - ADJUSTMENT Windows EDID V1.0 User Manual Operating System: MS Windows 98, 2000, XP Port Setup: Windows 98 => Don't need setup Windows 2000, XP => Need to Port Setup. This program is available to LCD Monitor only. 1. Port Setup a) Copy "UserPort.sys" file to "c:\WINNT\system32\drivers" folder b) Run Userport.exe 2. EDID Read & Write 1) Run WinEDID.exe 2) Edit Week of Manufacture, Year of Manufacture, Serial Number a) Input User Info Data b) Click "Update" button c) Click " Write" button c) Remove all default number d) Add 300-3FF e) Click Start button. f) Click Exit button. - 16 - SERVICE OSD 1)Turn off the power switch at the front side of display. 2)Wait for about 5 seconds and press MENU,POWER key. 3)Shows the service OSD menu. 4)The service OSD menu contains additional menus that the User OSD menu as described below. a) CLEAR ETI : To initialize using time. b) AUTO COLOR : W/B balance and Automatically sets the gain and offset value. c) AGING :Select Aging mode(on/off). d) PANEL : Select using panel. e) NVRAM INIT : EEPROM initialize(24C08). f) 9300 : Allows you to set the R/G/B.-9300K value manually. g) 6500 :Allows you to set the R/G/B.-6500K value manually. h) OFFSET : Allows you to set the R/G/B.-Offset value manually.(Analog Only) i) GAIN : Allows you to set the R/G/B.-Gain value manually.(Analog Only) A Video Signal Generator IBM Compatible PC 9 15 10 5 11 6 1 5 6 1 C 13 1 14 25 tu se d PARALLEL PORT RS 23 2C No 5V OFF ON Control Line EL PA R C AL L F Power inlet (r
File name LG Chas.CL-64 Flat.L1730SSFT.pdf

Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-64 MODEL: ( L1730S (L1730SSFTM-AL**E) L1930S (L1930SSFTM-AL**E) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU LightView - SOURCE + SET/AUTO CONTENTS SPECIFICATIONS ... 2 PRECAUTIONS ... 3 SERVICE PRECAUTIONS ... 4 TIMING CHART ... 7 DISASSEMBLY ...8 WIRING DIAGRAM ... 10 BLOCK DIAGRAM ... 11 DESCRIPTION OF BLOCK DIAGRAM ... 12 ADJUSTMENT ... 16 TROUBLESHOOTING GUIDE ... 18 EXPLODED VIEW...22 REPLACEMENT PARTS LIST ...24 SCHEMATIC DIAGRAM ... 26 SPECIFICATIONS 1. LCD CHARACTERISTICS (L1730S) Type : TFT XGA LCD Module Size : 358.5(H) x 296.5(V) x 17.0(D) Pixel Pitch : 0.264mm x 0.264mm Color Depth : 16.2M colors Active Video Area : 17.0inch (432.7mm) diagonal Surface Treatment : Anti-Glare, Hard Coating (3H) Backlight Unit : 4CCFL Opraating Mode : Transmissive mode, Normally white Electrical Interface : LVDS interface (L1930S) Type Size Pixel Pitch Color Depth Active Video Area Surface Treatment Backlight Unit Opraating Mode Electrical Interface 3-3. Operating Frequency Horizontal Vertical 4. POWER SUPPLY 4-1. Power 100-240V~, 50/60Hz 0.6A 4-2. Power Consumption MODE H/V SYNC VIDEO POWER CONSUMPTION LED COLOR ON/ON OFF/ON ON/OFF OFF ACTIVE OFF OFF OFF - : 30 ~ 83kHz : 56 ~ 75Hz : TFT XGA LCD Module : 404.2(H) x 330.0(V) x 20.0(D) : 0.294mm x 0.294mm : 16.7M colors : 19.0inch (481.84mm) diagonal : Anti-Glare, Hard Coating (3H) : 4CCFL : Transmissive mode, Normally white : LVDS interface POWER ON (NORMAL) STAND-BY SUSPEND DPM OFF POWER S/W OFF less than 43 W less than 2 W less than 2 W less than 2 W less than 1 W GREEN AMBER AMBER AMBER OFF 5. ENVIRONMENT 5-1. Operating Temperature : 10C~35C (50F~95F) 5-2. Operating Humidity : 10%~80% 5-3. MTBF : 50,000 HRS (Min.) Lamp Life : 50,000 Hours (Min.) (L1730S) 40,000 Hours (Min.) (L1930S) 6. DIMENSIONS (with TILT / with Base) (L1730S) Width Depth Height (L1930S) Width Depth Height 7. WEIGHT (with TILT) (L1730S) Net. Weight Gross Weight (L1930S) Net. Weight Gross Weight 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio 10 (L1730S) Left : 60 min. 70 typ. Right: 60 min. 70 typ. Top : 45 min. 60 typ. Bottom: 45 min. 60 typ. (L1930S) Left : -85 min. -88 typ. Right: +85 min. +88 typ. Top : +85 min. +88 typ. Bottom: -85 min. -88 typ. 2-2. Luminanc

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