LG L1511S Service Manual

LG L1511S Manual

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  • LG L1511S | Service Manual - Page 1
    COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-32 FACTORY MODEL: LB501K MODEL: L1511S (LB501K-GL) CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MENU AUTO/SELECT
  • LG L1511S | Service Manual - Page 2
    INSTRUCTIONS 5 WIRING DIAGRAM 6 BLOCK DIAGRAM 7 DESCRIPTION OF BLOCK DIAGRAM 8 ADJUSTMENT 9 TROUBLESHOOTING GUIDE 10 PRINTED CIRCUIT BOARD 14 EXPLODED VIEW 15 REPLACEMENT PARTS LIST 17 PIN CONFIGURATION 20 SCHEMATIC DIAGRAM 22 SPECIFICATIONS Hours (Min.) 6. DIMENSIONS (with TILT/SWIVEL)
  • LG L1511S | Service Manual - Page 3
    There are some special components used in LCD monitor that are important for safety. These parts the panel. • Protect the module from the ESD as it may damage the electronic circuit (C-MOS). • Make certain that treatment person's body are grounded through wrist shock hazard during service operation.
  • LG L1511S | Service Manual - Page 4
    29 144 29 176 28 Front Porch ( C ) 16 37 17 13 16 10 64 3 24 9 16 1 24 1 40 1 56 37 16 1 32 1 24 3 24 3 16 1 Resolution 640 x 350 720 x 400 (TEXT) 640 x 480 640 x 480 640 x 480 640 x 480 800 x 600 800 x 600 800 x 600 800 x 600 832 x 624 (MAC) 1024
  • LG L1511S | Service Manual - Page 5
    OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW MENU AUTO/SELECT See front control panel Power Connector D-Sub adjust your display image to the ideal settings for the current screen resolution size (display mode). The best display mode is 1024x768. 100 Bring up Contrast and
  • LG L1511S | Service Manual - Page 6
    WIRING DIAGRAM Connector Ass'y : P/N: 6631T11016C CN2 J705 J702 J706 Connector Ass'y : P/N: 6631T20008U CN3 J1
  • LG L1511S | Service Manual - Page 7
    E-DDC EEPROM 24LC02 DSub 15P H.V Schmitt Trigger (74HCT14A) Hsync2 Vsync2 Hsyncm Vsyncm MICOM (MTV312) Control Inverter on/off DIMADJ SCLK SDATA 5VR RGB ADC/PLL/Scaler (GMZAN2) 24 Bit LVDS EEPROM 24LC16 Panel Interface 20 Pin Connector Inverter on/off CON 8P DIMADJ 5VR 3.3VD 3.
  • LG L1511S | Service Manual - Page 8
    DESCRIPTION OF BLOCK DIAGRAM 1. Scaler One chip IC(GMZAN-2, U201) GMZAN-2 (U201) is one chip IC which it supports four internal function blocks of Video Amp, PLL, A/D converter and Video processor. Video signal (0.7Vp.p) clamped through C207, 208, 209 with matching IC's proper cut
  • LG L1511S | Service Manual - Page 9
    and Enter. 4) No attempt to manually adjust, BIAS data is automatically adjusted and saved to the EEPROM. 5) Display color 15,0 pattern at Mode 13. 6) Control Line IBM Compatible PC 15 10 5 PARALLEL PORT Not used RS232C PARALLEL OFF ON 5V C F VGS A MONITOR B V-SYNC ST POWER Power
  • LG L1511S | Service Manual - Page 10
    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK J705 VOLTAGE PIN5, PIN6 (5V)? AS OPENING EACH POWER LINE NO CHECK U803. NO CHECK 5VS LINE (OPEN CHECK) NO PROBLEM IS U201 PIN12 (3.3V) VOLTAGE REPEATED AS PULSE SHAPE ? NO CHECK IIC LINE CONNECTION (U501, U502)
  • LG L1511S | Service Manual - Page 11
    2. NO RASTER (OSD IS NOT DISPLAYED) - LIPS NO RASTER (OSD IS NOT DISPLAYED) J705 PIN5, PIN 6 5V? YES J705 PIN2 5V? YES J705 PIN1 5V? YES NO CHECK LIPS NO CHECK MICOM INV ON/OFF PORT. 1. CONFIRM BRIGHTNESS NO OSD CONTRL STATE. 2. CHECK MICOM DIM-ADJ PORT CHECK PULSE AS CONTACTING SCOPE
  • LG L1511S | Service Manual - Page 12
    U201 POWER PINS 3.3V? YES U201 PIN141, 142 OSCILLATE AS 20MHZ? YES NO CHECK U802, U806 1. CHECK PIN141, 142 NO SOLDERING CONDITION 2. CHECK X201 3. TROUBLE IN U201 U401 PIN31 IS 65MHz CLOCK? PIN27 IS 48KHz H-SYNC? NO PIN28 IS 60Hz V-SYNC? PIN30 IS 48KHz DEN? IS PULSE APPEARED AT SIGNAL
  • LG L1511S | Service Manual - Page 13
    4. NO RASTER (OSD IS DISPLAYED) - gmZAN2 NO RASTER (OSD IS DISPLAYED) YES U201 POWER PIN 3.3V? YES CHECK R,G,B INPUT? U201 PIN 87, 91, 95 YES CHECK H-SYNC INPUT U201 PIN 150? NO CHECK U802, U806 1. CHECK PC NO 2. CHECK SIGNAL CABLE & D-SUB CONNECTOR LINE NO CHECK H-SYNC LINE (D-SUB→U701→
  • LG L1511S | Service Manual - Page 14
    R724 R723 R725 C703 Q506 D708 ZD501 D707 1. MAIN BOARD (Component Side) R538 X501 Q503 Q505 Q501 R539 R501 R502 R503 R504 R505 R506 R507 R508 R509 R535 R532 C512 R536 C513 C501 R513 C504 R720 C715 L707 L706 C511 Q502 C514 C516 U502 R581 R537 R533 R534 C503 C502 R561 R571 U501
  • LG L1511S | Service Manual - Page 15
    3 7 6 5 2 1 EXPLODED VIEW a 11 8 9 4-B 4-A 10
  • LG L1511S | Service Manual - Page 16
    , LB501K BRAND 3090TKL040A PC+ABS 6304FLP025A LCD(LIQUID CRYSTAL DISPLAY) LM150X06-A3M1 LG PHILPS TFT COLOR 15.0 INCH XGA 2 or 6304FLP024A LCD(LIQUID CRYSTAL DISPLAY) LM150X07-B4 LG PHILPS TFT COLOR 15.0 INCH XGA 3 3809TKL026L BACK COVER ASSEMBLY, LB500J 029A PC+ABS 4-A 3043TKK097A TILT SWIVEL
  • LG L1511S | Service Manual - Page 17
    REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE : S SAFETY Mark AL ALTERNATIVE PARTS *S *AL LOC. NO. PART NO. MAIN BOARD CAPACITORS DATE: 2002. 8. 29. DESCRIPTION / SPECIFICATION C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C214
  • LG L1511S | Service Manual - Page 18
    R/TP 1K OHM 1/10 W 5% 1608 R/TP 5.6K OHM 1/10 W 1% 1608 R/TP 4.7K OHM 1/10 W 5% 1608 R/TP *S *AL LOC. NO. PART NO. DATE: 2002. 8. 29. DESCRIPTION / SPECIFICATION R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R515 R516 R517 R518 R519 R520 R521 R522 R523 R524 R525 R526 R527
  • LG L1511S | Service Manual - Page 19
    *S *AL LOC. NO. PART NO. DATE: 2002. 8. 29. DESCRIPTION / SPECIFICATION R734 R805 R807 R813 RA501 RA502 0RJ4701D677 0RJ1001D677 0RJ1003D677 0RJ1001D677 0RHZTCZ001A 0RHZTCZ001A 4.7K OHM 1/10 W 5% 1608 R/TP 1K OHM 1/10 W 5% 1608 R/TP 100K OHM 1/10 W 5%
  • LG L1511S | Service Manual - Page 20
    PIN CONFIGURATION CAT24WC02J-TE13 8P DIP Package(p) A0 1 A1 2 A2 3 VSS 4 8 VCC 7 WP 6 SCL 5 SDA SOIX Package(J) A0 1 A1 2 A2 3 VSS 4 8 VCC 7 WP 6 SCL 5 SDA TSSOP Package(U) A0 1 A1 2 A2 3 VSS 4 8 VCC 7 WP 6 SCL 5 SDA PIN CONFIGURATION BLOCK DIAGRAM EXTERNAL LOAD V CC V
  • LG L1511S | Service Manual - Page 21
    THC63LVDM83R PIN CONFIGURATION THC63LVDM83R RS 1 TD1 2 TA5 3 TA6 4 GND 5 TB0 6 TB1 TD2 7 8 VCC 9 TD3 10 TB2 11 TB3 12 GND TB4 13 14 TB5 15 TD4 16 R/F 17 TD5 18 TB6 19 TC0 20 GND 21 TC1 22 TC2 23 TC3 24 TD6 25 VCC 26 TC4 27 TC5 28
  • LG L1511S | Service Manual - Page 22
    1. GMZAN2
  • LG L1511S | Service Manual - Page 23
    2. LVDS
  • LG L1511S | Service Manual - Page 24
    3. MICOM
  • LG L1511S | Service Manual - Page 25
    4. DC/DC BLOCK
  • LG L1511S | Service Manual - Page 26
    5. CONNECTOR & JACKS
  • LG L1511S | Service Manual - Page 27
    6. KEY PART
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COLOR MONITOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE
SAFETY PRECAUTIONS
IN THIS MANUAL.
CHASSIS NO. : CL-32
FACTORY MODEL: LB501K
MODEL:
L1511S
(LB501K-GL)