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Now downloading free:LG 882le  [report bad file]  

Download LG 882le docs - Computer monitors - CRT, TFT, LCD, touch screen, plasma display - service manuals and repair information


File information:
File name:LG 882le lcd.rar
[preview 882le] new window
Size:1894 kB
Extension:pdf
MD5 Checksum:43c319a6dbf2a0a6ddb8dfa9bcac2549
Mfg:

LG

Model:

882le

Original Chassis:882le
Descr:LG 882le tft-lcd monitor
Group:Electronics > Computer equipment > Monitors >
Uploaded:2005-06-24 04:01:44
User:plamensl
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:10
File nameText
LS882C_1.pdfSPECIFICATIONS 1. LCD CHARACTERISTICS Type : TFT SXGA LCD Size : 18.1inch (45.97cm) Pixel Pitch : 0.2805(H) x 0.2805(V) Pixel Format : 1280 x 1024 pixels (SXGA) RGB Stripe Arrangement Color Depth : 8-bit, 16,581,375 colors Active Video Area : 413mm x 333mm Surface Treatment : Anti-Glare, Hard Coating (3H) Backlight Unit : Four-CCFL (Cold Cathode Fluorescent Lamp) 2. OPTICAL CHARACTERISTICS 2-1. Viewing Angle by Contrast Ratio 10 Left : 80 min. , Right : 80 min. Top : 80 min. , Bottom : 80 min. 2-2. Luminance : 170 cd/m2 (min) Right : 45 min. Bottom : 45 min. 4. POWER SUPPLY 4-1. Power Adaptor Input : AC 100~240V, 50/60Hz , ~2.0 - 1.0A Output : DC 12V 5.8A 4-2. Power Consumption MODE POWER ON (NORMAL) STAND-BY SUSPEND OFF POWER OFF H/V SYNC VIDEO POWER CONSUMPTION LED COLOR ON/ON OFF/ON ON/OFF OFF/OFF ACTIVE OFF OFF OFF - less than 70 W less than 5 W less than 5 W less than 5 W less than 5 W GREEN AMBER AMBER AMBER OFF 5. ENVIRONMENT 5-1. Operating Temperature: 10C~35C (50F
LS882C_10.pdfDISASSEMBLY 1. TILT/SWIVEL REMOVAL 1) Remove Hinge Cover. (Push the tilt cover both side). 2) Remove two screws (a). 3) Remove the Tilt/swivel. 3. INVERTER WIRE SHIELD & BACK COVER REMOVAL 1) Remove four screws (a). 2) Remove two Inverter Wire Shield. 3) Remove four screws (b). 4) Remove the Back Cover. (a) Inverter Wire Shield (a) (a) (a) (b) 2. FRONT CABINET REMOVAL 1) Remove two screws (a). 2) Release ten latches (b). 3) Remove the Front Cabinet. Back Cover Front Cabinet (b) (b) (b) (b) (a) - 11 - 4. INVERTER SHIELD & REAR SHIELD REMOVAL 1) Remove sponge (a). 2) Remove two screws (b). 3) Remove the Inverter Shield. 4) Remove six screws (c). 5) Remove the Rear Frame. 5. MAIN TOTAL ASS'Y REMOVAL 1) Disconnect CN2, CN3, CN4 and CN5. 2) Remove five screws (a). 3) Remove two Aluminium Tape (b). 4) Disconnect J805. 5) Remove Aluminium Tape (c). 6) Disconnect FPC Cable, Module Connector and Control PCB Connector. 7) Remove Main Total Ass'y and Inverter PCB Ass'y. (b) Inverter
LS882C_2.pdfTIMING CHART VIDEO B A C E D F SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (s), Vertical etc... (ms) >> Mode H/V Sort Sync Polarity DOT Clock Frequency Total Period (E) Video Active Time (A) Front Porch (C) Sync Duration (D) Back Porch (F) Resolution 640x350 70Hz 720x400 70Hz 640x480 75Hz 640x480 85Hz 640x480 60Hz 800x600 60Hz 800x600 75Hz 800x600 85Hz 832x624 75Hz 1024x768 60Hz 1024x768 75Hz 1024x768 85Hz 1152x870 75Hz 1152x900 65Hz 1280x1024 60Hz 1280x1024 75Hz 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 H V H V H V H V H V H V H V H V H V H V H V H V H V H V H V H V + + + + + + + + +/ +/ + + +/ +/ +/ +/ + + + + 25.175 28.321 31.5 36.0 25.175 40.0 49.5 56.25 57.283 65.0 78.75 94.5 100.0 92.978 108.0 135.0 31.469 70.8 31.468 70.8 37.5 75 43.269 85.0 31.469 59.94 37.879 60.317 46.875 75.0 53.674 85.061 49.725 74.55 48.363 60.0 60.123 75.029 68.677 84.997 68.681 75.062 61.805 65.96 63.981 60.02 79.
LS882C_3.pdfCONTROL LOCATIONS NO. Location.No Control Function 1 2 3 4 5 6 7 SW7 SW1 SW2 SW3 SW4 SW5 SW6 POWER SWITCH OSD DOWN UP LEFT RIGHT SOURCE/SET 1 2 3 4 5 6 7 - 10 -
LS882C_4.pdfADJUSTMENT All adjustment are thoroughly checked and corrected when the monitor leaves the factory, but sometimes several minor adjustment may be required. Adjustment should be following procedure and after warming up for a minimum of 10 minutes. Alignment appliances and tools. - IBM compatible PC - Programmable Signal Generator. (eg. VG-819 made by Astrodesign Co.) - E(E)PROM with each mode data saved. 1. Adjustment Start 1) Display any pattern at any Mode. 2) Run alignment program for LS882C on the IBM compatible PC. 3) Select EEPROM ALL INIT command and Enter 4) This will make all data to default state 5) Select COMMAND PRESET START command and Enter 2. Adjustment for Factory Preset Mode 1) Select DIST. ADJ FOS DEFAULT command and Enter 2) It will copy all factory default data to EEPROM automatically. 3. Adjustment for White Balance 1) Display color 0,0 pattern at Mode 15. 2) Set External Bright to MAX position and Contrast to MAX Position. 3) Select PRESET START BIAS CAL comm
LS882C_5.pdfTROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK U718 INPUT VOLTAGE (12V) ? NO TROUBLE IN ADAPTOR or INVERTER YES CHECK 5VST VOLTAGE (5V) ? NO TROUBLE IN U718 YES CHECK U617's PIN 6. IS THIS PIN OSCILLATED? NO TROUBLE IN U617 or X603 YES TROUBLE SOMEWHERE ELSE - 16 - 2. NO RASTER NO RASTER CHECK J805 PIN 10 (12V) ? YES NO TROUBLE IN POWER ADATER CHECK J805 PIN 5 (5V) ? YES NO TROUBLE IN INVON PATTERN CHECK U617 PIN 42 H. PULSE ? YES NO TROUBLE IN U106, U105, U101, U109 CHECK U205 PIN 40 H.PULSE ? YES NO TROUBLE IN U102, U101, U109 CHECK U205 PIN 117 H.PULSE? YES NO TROUBLE IN U205 CHECK U205 PIN 115 AD CLOCK ? YES NO TROUBLE IN U205 - 17 - YES CHECK U307 PIN 246 H.PULSE ? NO CHECK HS-PLL PATTERN YES CHECK U307 PIN 254 DOT CLOCK ? NO CHECK ADC-CLK PATTERN YES CHECK MEMORYCLK U410, U411, U412 PIN 35 ? NO TROUBLE IN U307 YES CHECK U307 PIN 93, 94 DOT CLOCK ? NO TROUBLE IN U307 YES CHECK U307 PIN 124 D26 (H.PULSE) ?
LS882C_6B.pdfBLOCK DIAGRAM - 13 - DESCRIPTION OF BLOCK DIAGRAM 1. Input signal switching part. This part switch H/V sync and analog video signal to be entered through Port1 and Port2 and output a selected H/V sync and analog video signal. 2. Pre-amp/ ADC / PLL Part. This part amplifies the level of video signal for the digital conversion and converts from the analog video signal to the digital video signal using a pixel clock. The pixel clock for each mode is generated by the PLL.The range of the pixel clock is from 25MHz to 135MHz. 3. Video Controller Part. This part consists of the Scaler and frame buffers which converts frame rate of input signal to 60Hz frame rate. The Scaler gets the video signal converted analog to digital, interpolates input to 1280 X 1024 resolution signal and outputs 8-bit R, G, B signal to transmitter. 4. Display Data Transmitter Part. This part transmit digital signal from the Scaler to the receiver of module. 5. Power Part. This part consists of the DC/DC converter a
LS882C_6S.pdfSCHEMATIC DIAGRAM 1. INPUT SWITCHING - 44 - 2. AD9884 (PRE-AMP/PLL/ADC) - 45 - 3. VIDEO PROCESS - 46 - 4. MEMORY - 47 - 5. LVDS - 48 - 6. MICOM - 49 - 7. DC/DC CONVERTOR - 50 - 8. CONNECTOR & JACKS (BRAND) - 51 - 9. USB - 52 - 10. CONTROL/POWER KEY - 53 -
LS882C_6W.pdfWIRING DIAGRAM CN4 CN5 J801 J805 J807 J804 CN3 CN2 CN2 CN1 J3 J2 J1 Connector Ass'y P/N: 6631T11010D - 10 -
LS882C_7.pdfEXPLODED VIEW a 5 Ref. No. Part No. 3091TKL022D 6304TLT181S 3809TKL006F 3043TKK037G 4814TKK064A 4950TKS096C 6871TMT216A 4951TKK049A 6631T11010D 6633TZA004A 4814TKK067A 6871TST217A 3550TKK053C 3550TKK050C 3550TKK051C 3550TKK052C 6871TST197A 6634TBZ006A 6866TD9001F 6866TDV004C 6866TDU002D 6634TFZ004A 332-095E 332-095C 332-110A 332-105C EXPLODED VIEW PARTS LIST Description CABINET ASSY LS882C BRAND 3090TKL021A PC+ABS 85964 LCD(LIQUID CRYSTAL DISPLAY) LM181E1-J3MN(S) LGPHLIPS COLOR 18.1 1280X1024 BACK COVER ASSY, LS882C 006 TILT SWIVEL ASSY, LS882C SHIELD INVERTER WIRE(LQ800) METAL FRAME (LB885) PWB(PCB) ASSEMBLY, MAIN, LS882C XAGC BRAND . TOTAL METAL ASSY, REAR LS882C CONNECTOR ASSY, 21P H-H 160MM UL20276SB10P+2C AWG#30 LB885C INVERTER ASSY, SAMSUNG LG1801 FOR 18.1" LCD MNT(LB880B) SHIELD INVERTER(LQ800) PWB(PCB) ASSEMBLY,SUB LS882C XAGC BRAND . TOTAL COVER LB880B HINGE 18.1" BRAND COVER LB880B STAND FRONT 18.1" BRAND COVER LB880B STAND REAR 18.1" BRAND COVER LB880B BASE TOP 18.1" BRAN

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