hit counter script
LG 32LD400_LC320WUG-SCR7 Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. LCD TV
  5. 32LD400_LC320WUG-SCR7
  6. Service manual
LG 32LD400_LC320WUG-SCR7 Service Manual

LG 32LD400_LC320WUG-SCR7 Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

MODEL :32LD400_LC320WUG-SCR7
42LD400_LC420WUG-SCR7
P/NO：SG-0361 (REV00)
Printed in Taiwan

Advertisement

Table of Contents
loading

Related Manuals for LG 32LD400_LC320WUG-SCR7

Summary of Contents for LG 32LD400_LC320WUG-SCR7

  • Page 1 MODEL :32LD400_LC320WUG-SCR7 42LD400_LC420WUG-SCR7 P/NO：SG-0361 (REV00) Printed in Taiwan...

  • Page 2: Table Of Contents

    Table of Contents CONTENTS PAGE Sections 1. Features 2. Specifications 3. On Screen Display 4. Factory Preset Timings 5. Pin Assignment 6. Main Board I/O Connections 7. Theory of Circuit Operation 8. Waveforms 9. Trouble Shooting 10. Block Diagram 10-1 11.

  • Page 3: Features

    Chapter 1 Features Built in TV channel selector for TV viewing Simultaneous display of PC and TV images Connectable to PC’s analog RGB port Built in HDTV, composite video, HDMI ,ATV out and DTV out ,Audio line out, Audio optical out Built in auto adjust function for automatic adjustment of screen display Smoothing function enables display of smooth texts and graphics even if image with resolution lower than 1920x1080 is magnified...

  • Page 4: Specifications

    Chapter 2 Specification 1. TFT LCD CHARACTERISTICS LC320WUG-SCR7-8R2 Item Specification Active Screen Size 31.55 inch (801.31mm) diagonal Outline Dimension 760.0(H) x 450.0 (V) x 32.5 mm(D) Pixel Pitch 0.36375 mm x 0.36375 mm Pixel Format 1920 horiz. by 1080 vert. Pixels, RGB stripe arrangement 8-bit, 16.7 M colors(※1.06B colors@10bit(D)System Output) Color Depth Luminance, White...
  • Page 5 2. Input Connectors USBX1, HDMIX2, D-SUB15PIN (MINI, 3rows), RCAX3 (Component), RCAX2 (Audio IN), RCAX2 (Audio IN), RCAX1 (Composite), Tuner 3. Output Connectors SPDIF Out (Optical Audio), RCA X1(Audio OUT) 4. Power Supply 32LD400 a. Input voltage: 100-240Vac, 50/60Hz b. Input current: 1.5 A (Max) c.
  • Page 6 42LD400 With Stand Without stand a. Height 691.4 b. Width 1018.5 1018.5 c. Depth 245.8 92.1 8. Weight (Physical weight) 32LD400 a. Net: 8.0 ±1.0 kg (without Base) 9.5 ±1.0 kg (with Base) b. Gross: 11.8 ±1.0 kg 42LD400 a. Net: 13.5 ±1.0 kg (without Base) 15.6 ±1.0 kg (with Base) b.
  • Page 7 (6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than HB pencil lead. And please do not rub with dust clothes with chemical treatment. Do not touch the surface of polarizer for bare hand or greasy cloth.(Some cosmetics are detrimental to the polarizer.) (7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum...
  • Page 8 (8) A screw which is fastened up the steels should be a machine screw. (if not, it causes metallic foreign material and deal LCM afatal blow) (9) Please do not set LCD on its edge. 9-3. Electrostatic Discharge Control Since a module is composed of electronic circuits, it is not strong to electrostatic discharge.

  • Page 9: On Screen Display

    Chapter 3 On Screen Display On Screen Display (OSD) is a friendly interface providing the function adjusting in our system. Customers could operate it only by few buttons. There is the introduction of the OSD. <Side> A. LED indicator display on the front LED indicator Status Remark...
  • Page 10 i. Standby/power on After AC on, by pressing button, LED indicator turns to white to indicate power on. press 2 sec to turn off this device, press this button again. ii. Menu operation Press button to activate the quick menu. Press the button again to activate function.
  • Page 11 Input My Media Channel A. Auto Tuning B. Manual Tuning a. Type: TV, CATV, DTV, CADTV b. Channel c. Add / Delete d. Close C. Channel Edit a. Type: TV, CATV, DTV, CADTV b. Channel Select c. Add / Delete / Remove Favorite Picture A.
  • Page 12 b. Contrast (0 ~ 100) c. Brightness (0 ~ 100) d. Sharpness (0 ~ 100) e. Color (0 ~ 100) f. Tint (R50 ~ G50) g. Advanced Control g-1. Color Temperature (Cool, Medium, Warm) g-2. Fresh Contrast (Off, Low, Medium, High) g-3.
  • Page 13 Time A. Clock (Auto, Manual) a. Year (2000 ~ 2035) b. Month (1 ~ 12) c. Date (1 ~ 31) d. Hour (12AM ~ 11PM) e. Minute (0 ~ 59) f. Time Zone (Eastern, Central, Mountain, Pacific, Alaska, Hawaii) g. Daylight Saving (Auto, On, Off) B.
  • Page 14 Option A. Language a. Menu (English, Spanish, French) b. Audio (English, Spanish, French) B. Input Label a. AV (VCR, DVD, Set Top Box, Satellite, Cable Box, Game, PC, HD-DVD, Blu-Ray) b. Component (VCR, DVD, Set Top Box, Satellite, Cable Box, Game, PC, HD-DVD, Blu-Ray) c.
  • Page 15 Blue, Yellow, Magenta, Cyan) E. Initial Setting (In Store, Home) Lock A. Lock System (Off, On) (default password: 0000) B. Set Password a. New b. Confirm C. Block Channel a. Type: TV, CATV, DTV, CADTV b. Channel Select c. Block, Un-block D.
  • Page 16 Input Component RGB-PC HDMI-1 HDMI-2 HDMI-3 (47LD500 only) My Media A. Photo List a. Slideshow Mode (Single, Sequence, Shuffle) b. Repeat (Off, On) c. Sort By (Photo Date, File Date, File A-Z) d. Duration (5 ~ 32) e. Slideshow Effect (Random, Dissolve, Wipe Right, Wipe Left, Wipe Up, Wipe Down, Box In, Box Out) f.
  • Page 17 QMenu A. Aspect Ratio (Set By Program, 4:3, 16:9, Zoom, Cinema Zoom, Just Scan) B. Backlight (0 ~ 6) C. Picture Mode (Vivid, Standard, Cinema, Sport, Game) D. Sound Mode (Standard, Music, Cinema, Sport, Game) E. Caption (Off, On) F. Multi Audio (Mono, Stereo, SAP) G.

  • Page 18: Factory Preset Timings

    Chapter 4 Factory preset timings This timing chart is already preset for the TFT LCD analog & digital display monitors. RGB For VESA Standard: Horizontal Vertical Refresh Horizontal Vertical Pixel Mode Sync Sync Resolution Rate Frequency Frequency Rate Remark Polarity Polarity (Hz) (KHz)
  • Page 19 FHD video digital preset modes at HDMI Mode No. Resolution 480i 480p 720p 1080i 1080p Video input Mode No. Resolution 480i 480p 720p 1080i 1080p CONFIDENTIAL – DO NOT COPY Page 4-2 File No. SG-0361...

  • Page 20: Pin Assignment

    Chapter 5 Pin Assignment The TFT LCD monitors use a 15 Pin Mini D-Sub connector as video input source. Pin Assignment Pin Assignment Red video input Green video input Ground Blue video input No connection Ground (SDA) Horizontal sync Ground (Composite sync) Red video ground Vertical sync...
  • Page 21 HDMI CONNECT PIN ASSIGNMENT: Signal Assignment Signal Assignment TMDS Data2+ TMDS Data2 Shield TMDS Data2- TMDS Data1+ TMDS Data1 Shield TMDS Data1- TMDS Data0+ TMDS Data0 Shield TMDS Data0- TMDS Clock+ TMDS Clock Shield TMDS Clock- Reserved (N.C. on device) DDC/CEC Ground +5V Power Hot Plug Detect...
  • Page 22 F-Type TV RF connector NTSC system Signal level: Analog 1Vp-p Typical Frequency: 55.25~855.25 MHz ATSC system IF-output level: 1Vp-p minimum Frequency: 57.00~861.00 MHz QAM system (supporting clear QAM) IF-output level: 1Vp-p minimum Frequency: 57.00~861.00 MHz AV/Composite Video (CVBS) Connector a. Frequency: H: 15.734KHz V: 60Hz (NTSC) b.
  • Page 23 Video audio in a. Signal level: 0.7Vrms b. Impedance: 47KΩ c. Frequency Response: 20Hz-20KHz d. Connector type: RCA L/R Digital Audio Out (Optical) a. Peak emission wave length: 630 – 690 nm b. Transmission Speed: 16M bps (Max) c. Connector type: Optical fiber transmitter Analog Audio out a.

  • Page 24: Main Board I/O Connections

    Chapter 6 Main Board I/O Connections J4 CONNECTION [Main BD to Power BD] Description +5VSB +5VSB +5VSB +12V +12V +12V POWER SW ON OFF BL ON OFF Lamp Status PWM DIM J7 CONNECTION [M LED L Description 5VSB WHITE AMBER JD1CONNECTION [M IR L IGHT...
  • Page 25 J2 CONNECTION [JTAG INTERFACE] Description AV33 TVTREF#1 JTRST# JTDI JTMS JTCK Pull High AV33 JTDO N.C. JTAG DBGRQ JTAG DBGACK CONFIDENTIAL – DO NOT COPY Page 6-2 File No. SG-0361...
  • Page 26 TCN1 CONNECTION CONFIDENTIAL – DO NOT COPY Page 6-3 File No. SG-0361...
  • Page 27 TCN2 CONNECTION J5 CONNECTION [Main BD to SPEAKER] Description CONFIDENTIAL – DO NOT COPY Page 6-4 File No. SG-0361...

  • Page 28: Theory Of Circuit Operation

    Chapter 7 Theory of Circuit Operation The route of D-SUB 15pin input An RGB (analog) signal is inputted the D-SUB 15pin to the MT5387 which transfers it to a digital signal by the A/D converter. Then MT5387 generates a Low Voltage Differential Signal (LVDS) for display device.
  • Page 29 The operation of keypad There are Jag Wheel/Button to control and to select the function of 32LD400/ 42LD400. Also, there is a LED back light to indicate the status of operation (Red → STANDBY, Green → ON). MT5387 Ⅰ. GENERAL DESCRIPTION The MediaTek MT5387 family is a backend decoder and a TV controller and offers high integration for advanced applications.
  • Page 30 Functional Block Diagram GENERAL FEATURE LIST Host CPU 1. ARM926EJS 2. 16K I-Cache and 16K D-Cache 3. 16K Boot ROM 4. 8KB Instruction TCM 5. JTAG ICE interface 6. Watch Dog timers 7. Build-in CPI analyzer and Cache Hit Rate Meter Page 7-3 CONFIDENTIAL –...
  • Page 31 Transport Demultiplexer 1. New generation 2 demux design 2. Supports a serial or parallel transport stream input 3. Supports ATSC, MPEG-2 transport stream input 4. Supports DES / 3-DES / AES de-scramblers 5. Up to 8-PID even/odd keys for descrambling 6.
  • Page 32 Image Resizer Supports 16bpp/32bpp direct color format. Supports 420/422 video format. Supports 420/422/444 JPEG format. Arbitrary ratio vertical/horizontal scaling of video, from 1/128X to 128X Simple DMA. OSD Plane Two linking list OSDs with multiple color mode and one of them has up-scaler Video Plane Supports video freeze and over scan.
  • Page 33 LVDS Support 6/8/10-bit one-link, or 6/8-bit dual-link LVDS transmitter, Built-in spread spectrum for EMI performance Programmable panel timing output CVBS In On-chip 54 MHz 10-bit video ADC Supports PAL (B,G,D,H,M,N,I,Nc), NTSC, NTSC-4.43, SECAM NTSC/PAL supports 3D/2D comb filter Built-in motion-adaptive 3D Noise Reduction VBI data slicer for CC/TT decoding Supports 1 S-Video.
  • Page 34 TV audio demodulator Supports BTSC / EIA-J / A2 / NICAM / PAL FM / SECAM world-wide formats Standard automatic detection Stereo demodulation, SAP demodulation Mode selection (Main/SAP/Stereo) DRAM Controller 16/32-bit DDR2 interface Support DDR2 750 MHz. Supports 256Mb to 512Mb (MT5387) or 1 Gb (MT5388) DDR2 DRAM device. 16-bit data bus offers up to 128MB space (one x16 DRAM device), and 32-bit data bus offers up to 256MB space (two x16 DRAM device)..
  • Page 35 Digital TV (ATSC) Demodulator Compliant with ATSC digital television standard Support SCTE DVS-031 and ITU J.83 Annex B digital CATV standard Accept direct IF (44 MHz or 43.75 MHz) and low IF (5.38 MHz) NTSC interference rejection capability Pass all Brazil fading channel ensembles Meet all ATSC/A74 requirements Excellent adjacent and co-channel rejection capability, only a single SAW is required Dual digital AGC controls for IF and RF, respectively...
  • Page 36 Electrical Characteristics 1. Absolute Maximum Rating 2. DC Characteristics Page 7-9 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 37 3. Thermal Characteristics 4. DDR2 ELECTRICAL Characteristics and DC Operating Condition 5. DDR2 AC Operating Condiction Page 7-10 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 38 Flash: MX25L6445E Page 7-11 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 39 Page 7-12 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 40 Page 7-13 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 41 Page 7-14 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 42 Page 7-15 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 43 Page 7-16 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 44 Page 7-17 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 45 Page 7-18 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 46 Page 7-19 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 47 Page 7-20 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 48 Page 7-21 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 49 Page 7-22 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 50 Page 7-23 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 51 Page 7-24 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 52 Page 7-25 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 53 Page 7-26 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 54 Page 7-27 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 55 Page 7-28 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 56 GDDR2: NT5TU32M16CG Page 7-29 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 57 Audio Amplifier: TPA3110D2 Page 7-30 CONFIDENTIAL – DO NOT COPY File No. SG-0361...

  • Page 58: Waveforms

    Chapter 8 Waveforms RGB mode: Line Pattern (one white one black); Pixel-clock = 162MHz (1600x1200@60Hz) G data B data R data CONFIDENTIAL – DO NOT COPY Page 8-1 File No. SG-0361...
  • Page 59 Full white pattern; Pixel-clock = 25.175MHz (640x480 / 60Hz) G data B data R data CONFIDENTIAL – DO NOT COPY Page 8-2 File No. SG-0361...
  • Page 60 LVDS CLK1+ CLK1- CLK2+ CLK2- CONFIDENTIAL – DO NOT COPY Page 8-3 File No. SG-0361...
  • Page 61 TMDS 1080I input CLK+ CLK- TMDS 1080P input CLK+ CLK- CONFIDENTIAL – DO NOT COPY Page 8-4 File No. SG-0361...
  • Page 62 YCbCr 1. 100% color bar 標準信號 (Component _ Y) (Component _ Pb) (Component _ Pr) CONFIDENTIAL – DO NOT COPY Page 8-5 File No. SG-0361...
  • Page 63 2. 最高頻的 timing 訊號為１黑 1 白或 multi burst 訊號(for CVBS) (Component _ Y) (Component _ Pb) (Component _ Pr) CONFIDENTIAL – DO NOT COPY Page 8-6 File No. SG-0361...
  • Page 64 3. 25% gray 訊號 (Component _ Y DC_ON) (Component _ Y DC_OFF) (Component _ Pb DC_ON) (Component _ Pb DC_OFF) (Component _ Pr DC_ON) (Component _ Pr DC_OFF) CONFIDENTIAL – DO NOT COPY Page 8-7 File No. SG-0361...

  • Page 65: Trouble Shooting

    Chapter 9 Trouble shooting MONITOR DISPLAY NOTHING (PC MODE) Start Is Power board output +5VSB ? LED logo is lighted? Is J7 connector good? Is fuse(F1) OK? It is in power saving Check video cable Is the timing supported? LED is white? Check sync input Check VGA SOG rout if analog (SOG)
  • Page 66 COMPOSITE IS NOT DISPLAY CORRECTLY Start 1. Check video Input signal good? 2. Check DVD player 1.Check signal between 2.Check power 12V& 5v input correct? 1. Check :DV33&VCCK&AV33&AV125& output correct? DDRV 2. Check is OK? 1. Check mini-LVDS cable 2. Check clock (54MHz) LVDS output correct? 3.
  • Page 67 COMPONENT IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check host’s setting 1.Check signal between input correct? 2.Check power 12V& 5v 1.Check signal between U15&P2 2.Check Clock (54MHZ) input correct? 3.Check :DV33&VCCK&AV33&AV125 1.Check LVDS output correct ? 2. Check T-con power 3.Check mini-LVDS cable 1.Is TCN1 &...
  • Page 68 HDMI ) IS NOT DISPLAY CORRECTLY Start 1.Check video Input signal good? 2.Check host’s setting 1.Check power 2.Check between signal no data out ? 3.Check clock 54MHZ 1.Is TCN1& TCN2 connected good? 2.Is panel working ok? CONFIDENTIAL – DO NOT COPY Page 9-4 File No.
  • Page 69 TROUBLE OF DC-DC CONVERTER Start The voltage is 5VSB 1. Check power board 2. Check power cable J4 PIN1,2,3 connection The voltage is +12V while power switch on connection good J4 PIN 8,9,10 2. Check power board 3.check J4 pin11 is ok The voltage is VCCK while power switch on CE15...
  • Page 70 TROUBLE OF DDC READING Start Support DDC1/2B Analog DDC OK? 1. VGA cable ok? 2. Check signal (U22 to 3. Check Voltage 4. Is compliant protocol? Support DDC1/2B 1. HDMI cable ok? HDMIDDC OK? 2. Check signal (U31 to 3. Check signal (U30 to 4.
  • Page 71 (TV_SIDE, AUDIO) IS NOT DISPLAY CORRECTLY Start 1. Check Audio source Input signal good? 2. Check the player of source 1. Check signal of Main Board 2. Check amplifier (U51) Input correct? Check MT5387 audio Check signal correct? out ,R838 & R839 Check 12V of U51.

  • Page 72: Block Diagram

    Chapter 10 Block Diagram System Block Diagram CONFIDENTIAL – DO NOT COPY Page 10-1 File No. SG-0361...

  • Page 73: Power Tree

    Power Tree ： r r e ： r r e ( I R i r c i t ) ( f o t e ) t r i b l t a & t r i b l t a &...
  • Page 74 Wire Block CONFIDENTIAL – DO NOT COPY Page 10-3 File No. SG-0361...

  • Page 75: Spare Parts List

    Chapter 11 Spare Parts List 32LD400-UA_LC320WUG-SCR7 PART NO DESCRIPTION REMARK 018413020073 FUSE 3A 32V SMD 1206 (0466 003.) L-F 018467510073 POLYSWITCH 0.75A 6V SMD (1206L075-C) L-F 018513020073 FUSE 125V/3A SMD (R451003) LF 018515020073 FUSE 125V/5A SMD (R451005) L-F SW1 SW2 SW3 SW4 022070202065 SW TACT 6*6mm 90' 160g SFKHHLV1724 L-F SW5 SW6...
  • Page 76 WAFER 2.0mm 3P 90' DIP KINK (M24263R) L-F 045120001466 WAFER 2.0mm 14P 90' DIP KINK (M242614R) L-F 045125000443 WAFER 2.50mm 4P 90' KINK (A2501WR2-4P) L-F 098001060022 MODULE TUNER TDVW-H810F(A) LG r2.0 LF 098002012030 MODULE. IR RECEIVER 37.9K FM-8038TM2-5DN DIP 3P LF 180101354020 FRONT BEZEL ASS'Y(ABS SD-0150)(32LD400) 180102322010...
  • Page 77 194712000311 ACETATE CLOTH TAPE 27*75mm 194712000401 ACETATE CLOTH TAPE 20*45mm 194716001050 CD LGE 32LD400 363201220189 IR BD ASS'Y 32LD400 363214420150 MAIN BD ASS'Y 32LD400_LC320WUG-SCR7 ******** 資 料 結 束 ******** Page 11-3 CONFIDENTIAL – DO NOT COPY File No. SG-0361...
  • Page 78 42LD400-UA_LC420WUG-SCR7 PART NO DESCRIPTION REMARK 018413020073 FUSE 3A 32V SMD 1206 (0466 003.) L-F 018467510073 POLYSWITCH 0.75A 6V SMD (1206L075-C) L-F 018513020073 FUSE 125V/3A SMD (R451003) LF 018515020073 FUSE 125V/5A SMD (R451005) L-F SW1 SW2 SW3 SW4 022070202065 SW TACT 6*6mm 90' 160g SFKHHLV1724 L-F SW5 SW6 028054000313 X'TAL 54MHZ 49S 30PPM 10PF 40ohm -20~80'C LF...
  • Page 79 WAFER 2.0mm 3P 90' DIP KINK (M24263R) L-F 045120001466 WAFER 2.0mm 14P 90' DIP KINK (M242614R) L-F 045125000443 WAFER 2.50mm 4P 90' KINK (A2501WR2-4P) L-F 098001060022 MODULE TUNER TDVW-H810F(A) LG r2.0 LF 098002012030 MODULE. IR RECEIVER 37.9K FM-8038TM2-5DN DIP 3P LF 180101355020 FRONT BEZEL ASS'Y(ABS SD-0150)(42LD400) 180102323010...
  • Page 80 194712000401 ACETATE CLOTH TAPE 20*45mm 194716001050 CD LGE 32LD400 194717101002 SHIELDING AL. TAPE (60*25mm) 363201220189 IR BD ASS'Y 32LD400 363214420150 MAIN BD ASS'Y 32LD400_LC320WUG-SCR7 ******** 資 料 結 束 ******** Page 11-6 CONFIDENTIAL – DO NOT COPY File No. SG-0361...

  • Page 81: Complete Parts List (32Ld400)

    Chapter 12-1 Complete Parts List 963204018053 LCD TV 32'' 32LD400-UA_LC320WUG-SCR7 位階 上階料號 下階料號 下階規格描述 單位用量 代用料 插件位置 963204018053 363211620300 SET ASSY 32LD400_LC320WUG-SCR7 1.0000 363211620300 033510065972 SPK 10W 6ohm 630*935mm (SP-16045-06-100323-A) LF 1.0000 363211620300 046010030230 WH A2001-3/P24013 1061#28 460mm 1.0000 363211620300...
  • Page 82 180102322010 172100030650 TAP. SCREW-TB #3.0*6.0L,BLK-Ni 1.0000 180102322010 193616003020 CIC LBL(Silver PET #50 ) LGE 1.0000 180102322010 194712006900 NON WOVEN TAPE(TESA 60980/765.0*8.0*0.5t) 2.0000 180102322010 194712006910 NON WOVEN TAPE(TESA 60980/480.0*8.0*0.5t) 2.0000 180102322010 194715003660 CR Sponge Φ30*Φ12*1.0mm(GV52 HDTV10A) 2.0000 363211620300 180105382010 BASE ASSY(ABS SD-0150)(32LD400) 1.0000 180105382010 170105367010...
  • Page 83 363211620300 363202420373 LCM ASSY LC320WUG-SCR7-8R2 (RAKEN) 1.0000 363211620300 363214420150 MAIN BD ASSY 32LD400_LC320WUG-SCR7 (HDCP) 1.0000 363214420150 363214420150M MAIN BD ASSY 32LD400_LC320WUG-SCR7 MI 1.0000 363214420150M 010364711312 E/C HF 470uF 25V 105C (10*16mm) 4.0000 010924711312 CE13 CE15 CE18 CE77 363214420150M 022070202065 SW TACT 6*6mm 90 160g SFKHHLV1724 L-F 7.0000...
  • Page 84 CD1 CD3 CD4 C116 C141 C143 C148 C181 C187 C190 C191 C195 C200 C205 C206 C215 C228 C236 C238 C248 C274 C275 C294 C433 C47 C48 C486 C513 C514 C515 C52 C529 363214420150T 011131041617 C/M Multi. 0.1uF 16V X7R 0402 69.0000 011231041617 C53 C532 C533 C539 C560 C564 C67 C68 C70 C73 C74 C80...
  • Page 85 R10 R166 R186 R200 R201 R202 R291 R296 R308 R341 R41 R486 R591 R71 R72 R763 R804 TR101 TR102 TR105 TR107 363214420150T 013000001654 RES. CF 0ohm 1/16W J 0402 50.0000 TR110 TR114 TR116 TR117 TR119 TR133 TR134 TR137 TR25 TR29 TR40 TR42 TR45 TR48 TR49 TR58 TR70 TR81 TR82 TR83 TR84 TR86 TR87 TR88 TR89 TR90 TR93 TR98 TR99 363214420150T 013000001858...
  • Page 86 363214420150T 013051011654 RES. CF 5.1Kohm 1/16W J 0402 2.0000 TR113 TR75 363214420150T 013056091654 RES. CF 56ohm 1/16W J 0402 3.0000 R177 R182 R184 363214420150T 013068091654 RES. CF 68 ohm 1/16W J 0402 6.0000 R176 R179 R185 R203 R206 R211 363214420150T 013075090055 RES.
  • Page 87 018467510079 363214420150T 018467510073 POLYSWITCH 0.75A 6V SMD (1206L075-C) L-F 1.0000 018467510083 363214420150T 018513020073 FUSE 125V/3A SMD (R451003) LF 1.0000 363214420150T 018515020073 FUSE 125V/5A SMD (R451005) L-F 1.0000 363214420150T 028310000017 RESONATOR 10MHz 33PF CSTCE10M0G55 3.2x1.3 3PIN LF 1.0000 TRS1 363214420150T 030310013065 CONN B TO FPC 0.5mm 6P 90 SMD(6712-F06N-07L)LF 1.0000 030310013067...
  • Page 88 SW 32LD400 (Gamma_13B2.bin) 1.0000 TU3X 363214420150T 099005003900 SW 32LD400 (TCON_V4_4.bin) 1.0000 TU1X 363214420150T 363214420150B MAIN BD ASSY 32LD400_LC320WUG-SCR7 BOT 1.0000 363214420150B 011131025117 C/M MULTI 1000PF 50V X7R 0402 4.0000 011231025117 C11 C15 C24 C26 363214420150B 011131032517 C/M Multi. 0.01uF 25V X7R K 0402 1.0000...
  • Page 89 POWER CORD 1800mm 125V UL/CSA 90 LF 1.0000 032040000230 363208920393 060360000010 Battery Alkaline 1.5V AAA (601-LR03) ROCKET 2.0000 060360000020 363208920393 098003064030 REMOTE CONTROL MKJ36998105 FOR LG LF 1.0000 363208920393 192513013190 MANUAL LGE 32LD400-US 1.0000 363208920393 192514003700 WARRANTY CARD(3840TWL056A) LGE USA 1.0000...

  • Page 90: Complete Parts List (42Ld400)

    Chapter 12-2 Complete Parts List 964204011053 LCD TV 42'' 42LD400-UA_LC420WUG-SCR7 位階 上階料號 下階料號 下階規格描述 單位用量 代用料 插件位置 964204011053 364208420300 SET ASSY 42LD400_LC420WUG-SCR7 1.0000 364208420300 033510065372 SPK 10W 6ohm 570*1120mm (BX-17045-06-100323-B) LF 1.0000 364208420300 046010030240 WH A2001-3/P24013 1061#28 500mm 1.0000 364208420300 046010140540 WH A2001-14/A2001-14 1007#24+1061#28 570mm 1.0000...
  • Page 91 180102323010 194715003660 CR Sponge Φ30*Φ12*1.0mm(GV52 HDTV10A) 2.0000 364208420300 180105383010 BASE ASSY(ABS SD-0150)(42LD400) 1.0000 180105383010 170105370010 NECK INNER(ABS+GF17%)(LCD-42S50) 1.0000 180105383010 170105371010 NECK OUTER(ABS,SD-0150)(LCD-42S50) 1.0000 180105383010 170105383010 BASE(ABS SD-0150)(42LD400) 1.0000 180105383010 170106001130 ROTATOR SLIP TOP(POM)(LCD-42S50) 1.0000 180105383010 170106001140 ROTATOR SLIP BTM(POM)(LCD-42S50) 1.0000 180105383010 170110000430 BASE FOOT (TM-32V)
  • Page 92 1.0000 045120031463 364211120150M 045125000443 WAFER 2.50mm 4P 90 KINK (A2501WR2-4P) L-F 1.0000 045125000446 364211120150M 098001060022 MODULE TUNER TDVW-H810F(A) LG r2.0 LF 1.0000 364211120150M 364211120150A MAIN BD ASSY 42LD400_LC420WUG-SCR7 AI 1.0000 364211120150A 010011001511 E/C SH 10uF 50V 105C F-T (5*11mm) 1.0000...
  • Page 93 CD1 CD3 CD4 C116 C141 C143 C148 C181 C187 C190 C191 C195 C200 C205 C206 C215 C228 C236 C238 C248 C274 C275 C294 C433 C47 C48 C486 C513 C514 C515 C52 C529 364211120150T 011131041617 C/M Multi. 0.1uF 16V X7R 0402 69.0000 011231041617 C53 C532 C533 C539 C560 C564 C67 C68 C70 C73 C74 C80...
  • Page 94 011134751115 C210 C211 C226 C227 C230 C231 C232 C234 C530 C87 C88 364211120150T 011234751115 C/M MULTI 4.7uF 10V X7R 0805 L-F 13.0000 011234751155 C89 C90 364211120150T 011234755114 C/M Multi. 4.7UF 50V X7R 1206 1.0000 011234755154 TC100 364211120150T 013000000055 RES. CF 0.0ohm 1/10W J 0603 7.0000 L10 L8 R76 R840 R841 R844 R845 R10 R166 R186 R200 R201 R202 R291 R296 R308 R341 R41...
  • Page 95 364211120150T 013033091654 RES. CF 33ohm 1/16W J 0402 2.0000 R104 R589 364211120150T 013036011654 RES. CF 3.6 Kohm 1/16W J 0402 1.0000 TR127 364211120150T 013039031654 RES. CF 390Kohm 1/16W J 0402 2.0000 R767 R783 364211120150T 013047001654 RES. CF 470ohm 1/16W J 0402 4.0000 R318 R324 R688 R689 364211120150T...
  • Page 96 364211120150T 013147021614 RES. MF 47 Kohm 1/16W F 0402 2.0000 R851 R853 364211120150T 013148791614 RES. MF 48.7ohm 1/16W F 0402 1.0000 364211120150T 013151111614 RES. MF 5.11Kohm 1/16W F 0402 6.0000 R828 R831 R836 R837 R838 R839 364211120150T 013156001614 RES. MF 560ohm 1/16W F 0402 1.0000 R806 364211120150T...
  • Page 97 364211120150T 043030138045 IC SERIAL FLASH 64M MX25L6445EM2I-10G SOP-8 HF 1.0000 364211120150T 043050233930 IC TIMING CONTROLLER TL2428MC LQFP 176PIN LF 1.0000 364211120150T 043060156099 IC RESET STL8110GCL438 4.38V SOT-23 3PIN LF 1.0000 364211120150T 043060180079 IC LDO 1A ADJ AP1117EL-13 SOT223-3L 3PIN LF 4.0000 043060180042 TU8 U4 U5 U8...
  • Page 98 011134751115 364211120150B 011234751115 C/M MULTI 4.7uF 10V X7R 0805 L-F 1.0000 C536 011234751155 364211120150B 011234751155 C/M MULTI 4.7UF 10V X5R 0805 1.0000 C525 R729 R730 R731 R732 R733 R734 R735 R736 R737 R738 R739 R740 R741 R742 R743 R744 R745 R746 R747 R748 364211120150B 013000001654 RES.
  • Page 99 364207520393 098003064030 REMOTE CONTROL MKJ36998105 FOR LG LF 1.0000 364207520393 172500041250 MAC SCREW-MB M4.0*12.0L,BLK-Ni,NYLOK 6.0000 364207520393 192511000260 PE BAG 50*80*0.06T 1.0000 364207520393 192511003140 PE BAG 340*230*0.08T (VOJ370) 1.0000 364207520393 192513013190 MANUAL LGE 32LD400-US 1.0000 364207520393 192514003700 WARRANTY CARD(3840TWL056A) LGE USA 1.0000...

  • Page 100: Edid List (32Ld400，42Ld400)

    Chapter 13 EDID List CONFIDENTIAL – DO NOT COPY Page 13-1 File No. SG-0361...
  • Page 101 CONFIDENTIAL – DO NOT COPY Page 13-2 File No. SG-0361...
  • Page 102 CONFIDENTIAL – DO NOT COPY Page 13-3 File No. SG-0361...
  • Page 103 CONFIDENTIAL – DO NOT COPY Page 13-4 File No. SG-0361...
  • Page 104 CONFIDENTIAL – DO NOT COPY Page 13-5 File No. SG-0361...
  • Page 105 CONFIDENTIAL – DO NOT COPY Page 13-6 File No. SG-0361...
  • Page 106 CONFIDENTIAL – DO NOT COPY Page 13-7 File No. SG-0361...
  • Page 107 CONFIDENTIAL – DO NOT COPY Page 13-8 File No. SG-0361...
  • Page 108 CONFIDENTIAL – DO NOT COPY Page 13-9 File No. SG-0361...
  • Page 109 CONFIDENTIAL – DO NOT COPY Page 13-10 File No. SG-0361...
  • Page 110 CONFIDENTIAL – DO NOT COPY Page 13-11 File No. SG-0361...
  • Page 111 CONFIDENTIAL – DO NOT COPY Page 13-12 File No. SG-0361...
  • Page 112 CONFIDENTIAL – DO NOT COPY Page 13-13 File No. SG-0361...
  • Page 113 CONFIDENTIAL – DO NOT COPY Page 13-14 File No. SG-0361...
  • Page 114 CONFIDENTIAL – DO NOT COPY Page 13-15 File No. SG-0361...
  • Page 115 CONFIDENTIAL – DO NOT COPY Page 13-16 File No. SG-0361...
  • Page 116 CONFIDENTIAL – DO NOT COPY Page 13-17 File No. SG-0361...
  • Page 117 CONFIDENTIAL – DO NOT COPY Page 13-18 File No. SG-0361...
  • Page 118 CONFIDENTIAL – DO NOT COPY Page 13-19 File No. SG-0361...
  • Page 119 CONFIDENTIAL – DO NOT COPY Page 13-20 File No. SG-0361...
  • Page 120 CONFIDENTIAL – DO NOT COPY Page 13-21 File No. SG-0361...
  • Page 121 CONFIDENTIAL – DO NOT COPY Page 13-22 File No. SG-0361...
  • Page 122 CONFIDENTIAL – DO NOT COPY Page 13-23 File No. SG-0361...
  • Page 123 MT5387RAV0.1 Mega DCR ( OFF: 0 ~ 0.8V ; ON: 2 ~ 5V ) Lamp Status ( Normal : 0 ~ 0.8V ; Lamp Problem: 2 ~ 5V ) MT5387 (LQFP)+FHD (2 LAYERS) ACD ( Normal : 2 ~ 5V ; AC OFF : 0 ~ 0.8V ) _delete POWER_SW_ON_OFF HIGH = >...
  • Page 124 1.25 x (1+180/110) = 3.3V U4 AP1117EL-13 U4 AP1117EL-13 +3V3SB +5VSB +3V3SB (7,8,13) (1,3,4,5,7,10,14) +5VSB SOT223 SOT223 CE10 CE10 110_F 110_F C377 C377 0805C 0805C C101 C101 C116 C116 100uF/16V 100uF/16V NC/4.7uF/10V/0805 NC/4.7uF/10V/0805 NC/0.1uF/16V NC/0.1uF/16V 0.1uF/16V 0.1uF/16V 180_F 180_F 1.25 x (1+180/110) = 3.3V +5VSB CORE POWER DV10 0805R...
  • Page 125 POWER +1.25V (ANALOG) U8 AP1117EL-13 U8 AP1117EL-13 AV125 AV33 AV125 (8) (2,4,8,12) AV33 CE26 CE26 SOT223 SOT223 100uF/16V 100uF/16V C173 C173 100_F 100_F NC/0.1uF/16V NC/0.1uF/16V C141 C141 0.1uF/16V 0.1uF/16V 1.25 x (1+0/100) = 1.25V DDRII POWER Add L18 U5 AP1117EL-13 U5 AP1117EL-13 DDRV DV33...
  • Page 126 Strapping Mode GPIO1 OXTALI OXTALO OXTALI OXTALO (8) AV33 AV33 MT5380 SYSTEM EEPROM XTAL 54M 54MHZ 54MHZ R787 R787 AV33 C108 C108 C111 C111 GPIO1 CONTROL STATUS 820nH/180mA 820nH/180mA 12pF/50V 12pF/50V 12pF/50V 12pF/50V 0805L 0805L L : WP DISABLE AV33 (2,3,8,12) H : WP ENABLE Third-Tone Crystal...
  • Page 127 0603var 0603var RF AGC +5V_T +5V_T +B1(+5V) C238 C238 0.1uF/16V 0.1uF/16V LG RF Tuner TDVW-H810F/HYBRID TUNER TDVW-H710F LG RF Tuner TDVW-H810F/HYBRID TUNER TDVW-H710F service port CIS LG footprint pin description error APPROVED BY: APPROVED BY: APPROVED BY: TECHNOLOGY TECHNOLOGY TECHNOLOGY...
  • Page 128 DRAM DE-CAP. DDR#1 DDR#2 DDRV DDR#1 Bottom Side RVREF RVREF (3,8) DDRV DDRV NEAR DDR#1 DDRV NEAR DDR#2 C476 C476 C477 C477 C478 C478 C479 C479 C480 C480 C481 C481 C482 C482 C483 C483 C484 C484 C485 C485 4.7uF/10V 4.7uF/10V 1uF/10V 1uF/10V 0.1uF/16V...
  • Page 129 DV33_TMDS DV33 (2,3,4,8,14) DV33 0805R 0805R C428 C428 C429 C429 C430 C430 C431 C431 C432 C432 C433 C433 C434 C434 C435 C435 10uF/25V 10uF/25V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V HDMI1 mode D20 NC/SBR2U30P1 D20 NC/SBR2U30P1 1206C...
  • Page 130 NEAR IC pin 45&33? AV33 NEAR IC pin 13 AV125 NEAR IC pin 26 +3V3SB AVDD33_USB R822 R822 AVDD12_HDMI AVDD33_VGA_STB (2,3,4,12) AV33 AV125 (2,7,13) +3V3SB C510 C510 0.1uF/16V 0.1uF/16V C517 C517 C514 C514 C515 C515 8200pF/50V 8200pF/50V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V R802 R802...
  • Page 131 A4PT (15) R741 R741 A5NT A5NT (15) R742 R742 A5PT A5PT (15) R743 R743 A6NT A6NT (15) 37HD with LG LC370WXN R744 R744 A6PT A6PT (15) CK2N R745 R745 CK2NT LVDS_ROTATE : high for LVDS select JEIDA(pin9) CK2NT (15) CK2P R746...
  • Page 132 AV input AV1_IN AV1_IN R186 R186 AV1+ R187 R187 C162 C162 0.047uF/25V 0.047uF/25V CVBS1 CVBS1 (8) C220 C220 R188 R188 NC/UDZSTE-175.6B NC/UDZSTE-175.6B AV1L_IN C229 C229 47pF/50V 47pF/50V C163 C163 1uF/10V 1uF/10V CVBSN CVBSN (8) AV1R_IN AV1L_IN R269 R269 C210 C210 4.7uF/10V 4.7uF/10V AV1L_IN0 (8)
  • Page 133 VGA_PLUGPWR HDMI_5V HDMI_5V VGA_PLUGPWR ZDAFA1-C5L0-4F ZDAFA1-C5L0-4F R210 R210 C195 C195 VGA_PLUGPWR (14) 0.1uF/16V 0.1uF/16V R763 R763 (14) VGA_11 HDMI_5V (7) R649 R649 BAT54C-7-F BAT54C-7-F HDMI_WP (14) VGASDA_IN VGASCL_SW HSYNCA R476 R476 VGASDA_SW S0 (14) R213 R213 (8,15) GPIO0 VSYNCA KN3904S KN3904S AT24C02BN-SH-T AT24C02BN-SH-T...

  • Page 134: Power Supply

    SHUTDOWN circuit AV33 NEAR 5380 AL2O 4.7uF/10V 4.7uF/10V LINE_OUT_L 0805C 0805C D143 D143 AR2O 4.7uF/10V 4.7uF/10V LINE_OUT_R LL4148WP LL4148WP 0805C 0805C 1206D 1206D AL1O AL0_AUX (8,13) AL0_AUX (8,13) nSHUTDOWN-L AR1O AR0_AUX (8,13) AR0_AUX (8,13) R677 R677 (13) MUTE KN3904S KN3904S CE124 CE124 47uF/16V...
  • Page 135 Audio Team Recommend R836 R836 5K11_F 5K11_F C558 100pF/50V C558 100pF/50V +12V +12V +12V_OP SOP8 SOP8 1K/0805 1K/0805 +12V +12V NJM4558M NJM4558M 0805L 0805L AL0_AUX R839 R839 R835 R835 20K_F 20K_F AL0_AUX C559 C559 C560 C560 CE129 CE129 4.7uF/10V 4.7uF/10V 5K11_F 5K11_F AO1AUXL...
  • Page 136 +5VSB Logo LED MODIFY IN RAV2 5.8~4.84V +5VSB RD11 RD11 RD12 RD12 RD13 RD13 RD14 RD14 +5VSB 3K3_F 3K3_F 2K_F 2K_F 2K_F 2K_F 1K_F 1K_F (1,2,3,4,5,7,10) +5VSB 0805R 0805R 0.1uF/16V 0.1uF/16V R365 R365 R368 R368 100K 100K WHITE AMBER CE60 CE60 2R_1X3ML 2R_1X3ML...
  • Page 137 TCON TL2428MC 3V3TC 3V3TC NC/4K7 NC/4K7 TC10 TC10 TC11 TC11 TC12 TC12 TC13 TC13 TC14 TC14 TC15 TC15 TC16 TC16 TC17 TC17 TC18 TC18 TC19 TC19 TC20 TC20 不能加測點之零件 10uF/10V 10uF/10V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V...
  • Page 138 3V3TC P12V TR60 TR60 TR60 LGE32 -> 100 TC65 TC65 16VTC LGE42 -> 100 TC66 TC66 10uF/25V 10uF/25V 10uF/25V 10uF/25V 3V3TC TCE1 TR68 TR61 TR61 TR62 TR63 LGE32 -> 100uF/25V LGE32 -> NC LGE32 -> 100K_F LGE32 -> NC LGE42 -> NC TR65 TR65 LGE42 ->...
  • Page 143 CAM Products 2000(TM):...

This manual is also suitable for:

42ld400_lc420wug-scr7

Table of Contents