LG FLATRON L3000H Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Monitor
  5. FLATRON L3000H
  6. Service manual

LG FLATRON L3000H Service Manual

Color monitor
Hide thumbs Also See for FLATRON L3000H:
Table of Contents

Advertisement

Quick Links

Download this manual
COLOR MONITOR
SERVICE MANUAL
CHASSIS NO. : CL-49
MODEL:
(
) **Same model for Service
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
MAIN
Website:http://biz.LGservice.com
E-mail:http://www.LGEservice.com/techsup.html
L3000H(L3000HL-AL**A, AG**A)

Advertisement

Table of Contents
loading

Related Manuals for LG FLATRON L3000H

Summary of Contents for LG FLATRON L3000H

  • Page 1 Website:http://biz.LGservice.com E-mail:http://www.LGEservice.com/techsup.html COLOR MONITOR SERVICE MANUAL CHASSIS NO. : CL-49 MODEL: L3000H(L3000HL-AL**A, AG**A) ) **Same model for Service CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. MAIN...

  • Page 2: Table Of Contents

    CONTENTS SPECIFICATIONS ........... 2 ADJUSTMENT ............12 PRECAUTIONS ............4 TROUBLESHOOTING GUIDE ......14 TIMING CHART ............5 WIRING DIAGRAM ..........20 OPERATING INSTRUCTIONS ........ 6 EXPLODED VIEW...........22 BLOCK DIAGRAM ..........10 REPLACEMENT PARTS LIST .......24 DESCRIPTION OF BLOCK DIAGRAM....11 SCHEMATIC DIAGRAM .........
  • Page 3 Signal Connector Pin Assignment • DVI-D Connector (Digital) Signal (DVI-D) Signal (DVI-D) T. M. D. S. Data2- Hot Plug Detect T. M. D. S. Data2+ T. M. D. S. Data0- T. M. D. S. Data0+ T. M. D. S. Data2/4 Shield T.

  • Page 4: Precautions

    PRECAUTION WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING BE CAREFUL ELECTRIC SHOCK ! • There are some special components used in LCD monitor that are important for safety. These parts are • If you want to replace with the new backlight (CCFL) or marked on the schematic diagram and the inverter circuit, must disconnect the AC adapter...

  • Page 5: Timing Chart

    TIMING CHART VIDEO SYNC << Dot Clock (MHz), Horizontal Frequency (kHz), Vertical Frequency (Hz), Horizontal etc... (µs), Vertical etc... (ms) >> Total Period Video Active Time Front Porch Sync Duration Back Porch Sync Mode Resolution Frequency Clock Sort Polarity 31.469 640x350 25.175 70Hz...

  • Page 6: Operating Instructions

    OPERATING INSTRUCTIONS FRONT VIEW REAR VIEW PC Audio Input Terminal Headphone/earphone -Connect the audio cable Connection Terminal to the LINE OUT jack in the PC sound card S-Video Input Terminal AV Output Terminal AV Input Terminal(Audio) (Audio) AV Output Terminal AV Input Terminal(Video) (Video) HDTV Input Terminal...
  • Page 7 OPERATING INSTRUCTIONS Front Control Panel MAIN Press the button to turn on the power. Press the button again to turn it off. Power Button • Power (DPMS) • This Indicator lights up green when the display operates normally. If the display is in Indicator DPM (Energy Saving) mode, this indicator color changes to amber.
  • Page 8 (Operational for the analog signal only) Sound Mode Select Select the sound mode: MONO/STEREO CAPTION Button - (Only U.S.A) Video Operation Button There is not a function Applicable for LG products only which is supported - 8 -...
  • Page 9 • Input Select Button •AV Button If you press the button once, This button will be enabled only the following Input Signal when you selected the AV signal. Window will appear. Select The signal type will be changed the signal type you want with the following order.

  • Page 10: Block Diagram

    BLOCK DIAGRAM - 10 -...

  • Page 11: Description Of Block Diagram

    DESCRIPTION OF BLOCK DIAGRAM 1. Input Selection Circuit 6. De-interlacer 1) Analog Input Selection This block is composed of FLI 2310(U301) and This block is composed of BA7657F(U103) and peripheral devices. peripheral devices. GM1501 (U402) controls this IC through IIC Line. There are analog H/V Syncs.

  • Page 12: Adjustment

    ADJUSTMENT Windows EDID V1.0 User Manual 2. EDID Read & Write 1) Run WinEDID.exe 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.
  • Page 13 ADJUST WHITE BALANCE 1. Input Analog signal through D-sub. 2. Press MENU Key and 3, 0, 2, 0 Num.key 3. Then move SETUP. You can see SVC OSD. ADJUSTMENT SETUP MODEL L3000HL CONTRAST NVRAM INITIAL BRIGHTNESS 21 H ELAPSED TIME COLOR MICOM VERSION Ver.

  • Page 14: Troubleshooting Guide

    TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) CHECK J601 CHECK POWER BOARD VOLTAGE (18V, 12V, 5V)? CHECK J602 VOLTAGE CHECK POWER BOARD (LPL: 24V, CMO: 12V) ? CHECK X401 CHECK X401 (14.318MHz) ? CHECK CHECK MICOM(U402) J601 SUB POWER PORT(R419) (SUB POWER) ? CHECK KEY...
  • Page 15 2. NO RASTER(OSD IS NOT DISPLAYED) NO RASTER (OSD IS NOT DISPLAYED) CHECK THE PERIPHERAL CHECK U402? IC U402 CHECK CHECK THE PERIPHERAL LVDS OUTPUT IC U402 (J403)? CHECK INVERTER POWER CHECK U604 AND THE (LPL: J604, J605 PERIPHERAL IC U604 CMO: J606, J607) ? CHECK INVERTER - 15 -...
  • Page 16 3. NO RASTER ON VIDEO SIGNAL INPUT NO RASTER ON VIDEO SIGNAL POWER CHECK OF CXA2040(U3) : L3(9V) POWER CHECK OF UPD64083(U6) : U5(3.3V), L17(2.5V) POWER CHECK OF FLI2310(U301) : L307(3.3V), L302(3.3V), L308(1.8V), L301(1.8V) POWER CHECK OF GM1501(U402) CHECK CABLE OF VIDEO/COMPONENT NO INPUT SIGNAL CHECK UPD64083(U6)I/O...
  • Page 17 4. SOUND TROBLE SHOOTING NO SOUND OUTPUT POWER CHECK OF MSP3420G(U503) : L514(8V), L509(5V), L512(5V) POWER CHECK OF TPA3004(U505) : C587(18V) CHECK SOUND OF VCR,DVD,PC (TV)CHECK OF CONNECTION OF TUNER AND ANTENNA CHECK SOUND INPUT =>PC SOUND(J804) =>VIDEO, DVD, DTV SOUND (RED, WHITE OF J809, J808) CHECK THE PERIPHERAL IC OF NO INPUT SIGNAL...
  • Page 18 5. NO RASTER STATE ON ANALOG SIGNAL NO RASTER ON ANALOG SIGNAL POWER CHECK OF BA7657(U103) : L102(5V) POWER CHECK OF GM1501(U402) POWER CHECK OF LVDS OUTPUT: J403 CONNECTOR(J103) CHECK CHECK I/O SYNC OF BA7657(U103) CHECK THE PERIPHERAL IC NO INPUT SIGNAL OF D-SUB(J103) CHECK ADC I/O SIGNAL IN GN1501(U402)
  • Page 19 6. NO RASTER STATE ON DIGITAL SIGNAL NO RASTER STATEON DIGITAL SIGNAL POWER CHECK OF GM1501(U402) POWER CHECK OF LVDS OUTPUT: J403 CONNECTOR(J102) CHECK NO INPUT SIGNAL CHECK GM1501(U402) I/O SIGNAL CHECK THE PERIPHERAL IC NO OUTPUT SIGNAL OF GM1501(U402) NO INPUT SIGNAL CHECK THE PERIPHERAL IC CHECK LVDS I/O SIGNAL...

  • Page 20: Wiring Diagram

    WIRING DIAGRAM(LPL Module) Connector Ass’y P/N: 6631T20028C Connector Ass’y P/N: 6631T11016A Connector Ass’y P/N: 6631T20028E Connector Ass’y P/N: 6631T20028B J804 Connector Ass’y P/N: J803 6631T12002N J402 J802 J201 J401 J801 J605 J601 J604 Connector Ass’y P/N: Connector Ass’y P/N: 6631T20028D 6631T12002P J505 J602...
  • Page 21 WIRING DIAGRAM(CMO Module) Connector Ass’y P/N: Connector Ass’y P/N: 6631T20028C 6631T11016K Connector Ass’y P/N: 6631T20028E Connector Ass’y P/N: 6631T20028B J804 J803 Connector Ass’y P/N: J402 J802 6631T120020S J201 J403 J801 J607 J601 J606 Connector Ass’y P/N: Connector Ass’y P/N: 6631T20028D 6631T20020T J505 J602...
  • Page 22 - 22 -...

  • Page 23: Exploded View

    CORD, A/V, RCA CABLE UL2863 AWG28 3000MM BLACK(9930) DH-3P-N300C LM295B 6852TAZ006B CORD, A/V, DIN CABLE UL 2990-9C(5.5) 1560MM BLACK(9930) DH-150DIN LM295B 6852TAZ006D CORD, A/V, A/V KHC-LG-3-0010 UL 2851 #28-2C 1500MM BLACK(9930) KSD WITH CORE LM295B 6852TAZ006J CABLE, D-SUB, UL 2990-9C(7.5) DT 1870MM PEARL WH T541K DM 6850TD9001J...

  • Page 24: Replacement Parts List

    REPLACEMENT PARTS LIST CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS, READ CAREFULLY THE SAFETY PRECAUTIONS IN THIS MANUAL. * NOTE SAFETY Mark AL ALTERNATIVE PARTS DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC.
  • Page 25 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C124 0CH3105H946 "1UF 25V 80%,-20% F(Y5V) 2012" C285 0CC101CK41A 100PF 1608 50V 5% R/TP NP0 C125 0CE336BH638 33UF KME 25V M FM5 TP5...
  • Page 26 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C406 0CK104CK56A 0.1UF 1608 50V 10% R/TP X7R C512 0CC102CK41A 1000PF 1608 50V 5% R/TP NP0 C407 0CH8226F691 22UF 16V 20% 105STD (CYL) R/T...
  • Page 27 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C590 0CK105CF94A "1UF 1608 16V 80%,-20% R/TP F(" C693 0CH3104K566 0.1UF 50V 10% X7R 2012 R/TP C591 0CK105CF94A "1UF 1608 16V 80%,-20% R/TP F("...
  • Page 28 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION ZD101 0DZ560009DA UDZ S 5.6B TP ROHM-K SOD323 2 U202 0IZZTSZ302A MITSUBISHI 52P SDIP ST V-CHIP ZD102 0DZ560009DA UDZ S 5.6B TP ROHM-K SOD323 2...
  • Page 29 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION L301 6210TCE001G HH-1M3216-501 CERATEC 3216MM 0TR390409AE FAIRCHILD KST3904(LGEMTF) TP L302 6210TCE001G HH-1M3216-501 CERATEC 3216MM 0TR390609FA KST3906-MTF TP SAMSUNG SOT23 L303...
  • Page 30 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION 0RJ4700D677 470 OHM 1/10 W 5% 1608 R/TP R131 0RJ8200D677 820 OHM 1/10 W 5% 1608 R/TP 0RJ4700D677 470 OHM 1/10 W 5% 1608 R/TP R132...
  • Page 31 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R269 0RJ0000D677 0 OHM 1/10 W 5% 1608 R/TP R453 0RH4700D622 470 1/10W 5 D.R/TP R271 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP...
  • Page 32 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION R551 0RJ2002D677 20000 OHM 1/10 W 5% 1608 R/TP R706 0RH1502D622 15K 1/10W 5 D.R/TP R552 0RJ1001D677 1K OHM 1/10 W 5% 1608 R/TP...
  • Page 33 DATE: 2004. 2. 20. DATE: 2004. 2. 20. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION RA306 0RHZTCZ001D RCA86TRJ22R0 SMART 22OHM 1/16 0RJ4701D677 4.7K OHM 1/10 W 5% 1608 R/TP RA307 0RHZTCZ001D RCA86TRJ22R0 SMART 22OHM 1/16...

  • Page 34: Schematic Diagram

    SCHEMATIC DIAGRAM 1. TUNER/AV/PC INPUT - 34 -...
  • Page 35 2. VIDEO DEC./CAPITION - 35 -...
  • Page 36 3. FLI2310/HY57V643220 - 36 -...
  • Page 37 4. SCALER(GM1601) - 37 -...
  • Page 38 5. AUDIO CTL/AMP/RS232 - 38 -...
  • Page 39 6. POWER/CONNECTOR - 39 -...
  • Page 40 7. TUNER - 40 -...
  • Page 41 8. AV IN/OUT JACK - 41 -...
  • Page 42 9. KEY CONTROL - 42 -...
  • Page 43 Feb. 2004 P/NO : 3828TSL093G Printed in Korea...

Table of Contents