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LG RE-44NA14T Service Manual

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COLOR TV
SERVICE MANUAL
CHASSIS : MP-03AB
MODEL : RE/RL-44/49/54NA14T
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
TV/AV
MENU
OK
MUTE
VOL
PR
ON/OFF
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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  • Page 1 website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : MP-03AB MODEL : RE/RL-44/49/54NA14T CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. TV/AV MENU MUTE ON/OFF...

  • Page 2: Table Of Contents

    CONTENTS CONTENTS ...................... 2 SAFETY PRECAUTIONS .................3 SERVICING PRECAUTIONS ................4 SPECIFICATIONS ................... 6 CONTROL DESCRIPTIONS ................9 ADJUSTMENT INSTRUCTIONS ..............13 TROUBLE SHOOTING ...................27 BLOCK DIAGRAM ..................34 PRINTED CIRCUIT BOARD ................36 EXPLODED VIEW ..................46 EXPLODED VIEW PARTS LIST ..............47 REPLACEMENT PARTS LIST ..............48 SVC.

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS IMPORT ANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards.

  • Page 4: Servicing Precautions

    SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service transistors and semicounductor "chip" components. The manual and its supplements and addenda, read and follow the following techniques should be used to help reduce the SAFETY PRECAUTIONS on page 3 of this publication. incidence of component damage caused by static by static NOTE: If unforeseen circumstances create conflict between the electricity.
  • Page 5 c. Qulckly move the soldering iron tip to the junction of the Fuse and Conventional Resistor component lead and the printed circuit foil, and hold it Removal/Replacement there only until the solder flows onto and around both the 1. Clip each fuse or resistor lead at top of the circuit board component lead and the foil.

  • Page 6: Specifications

    5) Follow each drawing or spec for spec and performance of parts,based upon P/N of RPL 6) Warm up TV set for more than 60min before the measurement. Test and Inspection Method 1) Performance : Follow the Standard of LG TV test 2) Extra requirement Model...
  • Page 7 Test and Inspection Method (S Mark : Option Item) Item Specification Remark Recieving System PAL, SECAM-BG PAL, SECAM-DK, PAL-I PAL, SECAM-BG SECAM-LL’ AV can be input NTSC-M PAL, SECAM-BG, PAL, SECAM-DK, PAL-I NTSC-M Available Channel 1) VHF : E2 ~ E12 2) UHF : E21 ~ E69 3) CATV...
  • Page 8 Feature and Function Item Remark Specification Feature AV Input Side V/L/R S (Rear, RT model) V/L/R AV Output S (Rear, RT model) V/L/R Component Input COMPONENT1, L/R Rear 480i/ 480P/ 576i (1080i for CHINA) COMPONENT2, L/R S-Video Input side 1, Rear 1 SCART S (Rear, RE,RL model) Full SCART (with RGB Input) : 1...

  • Page 9: Control Descriptions

    8. PSM (Picture Status Memory) recalls your preferred picture setting. 9. SLEEP sets the sleep timer. 10. I/II selects the language during dual language broadcast. selects the sound output (option). 11. VCR BUTTONS control a LG video cassette recorder. (With TELETEXT/PIP) - 9 -...
  • Page 10 12. MULTIMEDIA selects Component 1 or Component 2 modes. switches the set on from standby. 13. TURBO PICTURE BUTTON selects Turbo picture. 14. TELETEXT BUTTONS (option) POWER These buttons are used for teletext. For further details, see the ‘Teletext’ section. TV/AV MULTIMEDIA TURBO...
  • Page 11 Front panel • RE/RL-44/49/54NA13/14 series TV/AV MENU MUTE TV/AV MENU MUTE ON/OFF (Side panel) • RE/RL-39NZ43 series TV/AV MENU INDEX TV/AV MENU INDEX 7 6 5 9 • RE/RL-44/49/54NZ23 series TV/AV MENU TV/AV MENU • RE/RL-44/54NA23/24 series • RE/RL-44/54NA43/44 series MUTE MENU MUTE...
  • Page 12 Front panel • RE/RL-40/45/57NZ60 series TV/AV MENU MUTE TV/AV MENU MUTE (Side panel) 1. MAIN POWER (ON/OFF) 10. LED (Light Emitting Diode) DISPLAY switches the set on or off. (option) illuminates brightly when the set is switched (Volume Up/Down) adjusts the volume. Option : Only RE/RL-39NZ43 series, adjusts menu settings.

  • Page 13: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS These instructions are applied to only MP-03AB chassis. Notes 1.Because this is not a hot chassis, it is not necessary to use an isolation transformer. However, the use of isolation transformer will help protect Green Light test instrument. Red/Blue Light 2.Adjustment must be done in the correct order.
  • Page 14 (2) Adjustment must be operated in a dark room (simple dark 2 Pole Magnet room) 2. Adjustment 4 Pole Magnet (1) Test Equipment: Oscilloscope, 100:1 Probe (2) Connect oscilloscope to cathode of R, G, B(R926R/B/G: SCREEN ADJ on the PCB) and GND. 6 Pole Magnet (3) Turning Screen Volume (R/G/B) in Focus Pack and adjust R/G/B is 165V!0.5V.
  • Page 15 6) ET(East-west Trapezium) Fifth Vertical Line Fifth Vertical Line Adjust to make the width of top horizontal line same with it of the bottom horizontal line. Third Bar Third Bar 4. 1080i Mode deflection Adjustment (option) Sixth Vertical Line (1) Test Equipment 7) A-ANG(AFC Angle) SETTOP BOX with 1080i output Vertical slope adjustment...
  • Page 16 8) PIN PH : Horizontal Trapezoid Fixation Lens Change of chromatic aberration Adjust the horizontal width of screen upper and lower is Orange ¤AScarlet to be same. Green Blue ¤ARed 9) PIN AM : Horizontal PARABOLA Correction CHROMATIC Blue Purple ¤AGreen ABERRATION Adjust the vertical line of most angle lattice of right/ left CROSS HATCH...
  • Page 17 5. Focus checking 4) Quit pattern shift mode. (Press “OK” button) 5) Save adjusted phase/pattern position adjustment After adjustment Red,Green & Blue lens, remove lens cover mode.(Press “9”, “2” & “OK” buttons) and receive Cross-Hatch pattern and check the overall focus. If needed,repeat above.
  • Page 18 4) Receive WINDOW signal. Check the Option Adjustment * High Light : 1) Check the OPTION1~5 data of attach 6 is well recorded. RE/RL : 250!10 (16:9) cd/m^2 2) The option value of each suffix is started on JOB EXP of : 160!10 (16:9) cd/m^2...
  • Page 19 Convergence Adjustment Mode - INSTART -> 3 -> MENU * This Mode is for engineering. So,don’t change before permission from Design Department. 0.AC POSITION READ : Distance data(After auto convergence measuring) 1.Save to 50Hz/60Hz : Save (convergence adjustment data) It’s same 9,1,Enter. 2.Save Control data : Save (A phase adjustment data) It’s same 9,2,Enter.
  • Page 20 8.OSD POSITION 2. Sound adjustment data (IC:MSP3411G) 9.AC PATTERN ADJ :Assign location for pattern start Menu Description Range Default <NTSC mode> <PAL mode> FM Prescaler NICAM Prescaler SCART Prescaler 8,17 17,16 5,17 10,33 14,30 S1 VOL SCART 1 Volume 17,15 10,15 3,15 12,31...
  • Page 21 3.Picture adjustment data(IC:CXA21801) Menu Description Range D-COL Dynamic color mode setting EXTSW Selects the Y/Cb/Cr input or EY/ECb/Ecr SHPFO Sharpness f0 setting BLKBT RGB output bottom limiter level control (for blanking/signal) PREOV Pre-shoot/over-shoot ratio setting CTILE CTI level setting LTILE LTI level setting PLMTL RGB output amplitude level setiing...
  • Page 22 4.Picture adjustment data (IC:CXA21802) Menu Description Range R-Y R R-Y axis + (R-Y) component setting R-Y B R-Y axis + (B-Y) component setting G-Y R G-Y axis + (R-Y) component setting G-Y B G-Y axis + (B-Y) component setting UP-BL VBLK position control for top of picture, when VBLK_SW = 1 LO-BL VBLK position control for bottom of picture, when VBLK_SW=1...
  • Page 23 5.CXA2151Q adjustment item Menu Description Range INPUT Selects the four systems of inputs IN1 to IN4 MAT-O Selects the type of matrix conversion VFREQ Selects the frequency of the dummy sync output to SELV_OUT(pin23) SELS1 Selects the type of the signal input to IN1_H/L1(pin36) and IN1_V/L2(pin37) SELS2 Selects the type of the signal input to IN1_H/L1(pin44) and IN1_V/L2(pin45) FIX-S...
  • Page 24 6. OPTION Data Adjustment Option 1 Item Specification Remark 200PR 1 : 200 PROGRAM (CHINA ONLY) 1 : LIST no operation 0 : 100 PROGRAM (OTHER CONTRIES) 0 : LIST operation TSEAR 1 : WITH TURBO SEARCH 1 : RT/ RE 0 : WITHOUT TURBO SEARCH (FRANCE) 2 ;...
  • Page 25 Option 3 Item Specification Remark 1 : WITH PIP 0 : WITHOUT PIP INDEX 1 : WITH INDEX 0 : WITHOUT INDEX HDEV 1 : HIGH DEVIATION MODULATION (CHINA) 1 : China/ Saudi/ Indo/ Indonesia 0 : RF NORMAL SOUND MODULATION (OTHERS) D - PRO 1 : WITH DOLBY PRO LOGIC 0 : WITHOUT DOLBY PRO LOGIC...
  • Page 26 Option 5 State Language Function LANGUEGE 0:ENG Only English 1:EU 5EA English/German/French/Italy/Spanish 2:EU ETC Pol./Hungary/Czecho/Russia/Eng English/ Greece 3:GREECE 4:PARSI English/Parsi (Iran) 5:ARAB URDU English/French/Arab+Urdu T-LAN 6:English+Hindi English/Hindi 7:English+I+M+V English/Indonesian/Malaysian/Vietnamese 8:English+THAI English/Thai 9:English+China English/China English/French/Swedish/Czech/German/Spanish/Italian 0:West Europe 1:East Europe Polish/French/Swedish/Czech/German/Slovenian/Italian/Rumanian 2:Turkey EU English/French/Swedish/Turkish/German/Spanish/Italian 3:EAST EU2 English/Hungarian/Serbian/Czech/German/Polish/Spanish/Italian/...

  • Page 27: Trouble Shooting

    Trouble Shooting Q110 Main IC700 #53 Main Q701 IC700 IC262 IC262 #97 ? IC262 #54 ~ #115 IC262 #54 ~ #115 ? IC265 IC265 #38,41,46 ? IC501 #30, 32, 34 ? - 27 -...
  • Page 28 Component1,2 IC600 TU100 Q114 Main1 ICX600 ICX600 ICX600 IC600 Q608, 609 ICX600 #8 #13? ICX600 #1 #3 ? ICX600 - 28 -...
  • Page 29 Digital Main1 IC262 IC700 #1, 8, 15, 22 ? Q100(E) ? #67, 70, 72, 73 ? Main1 Main1 IC700 IC700 JK600 Digital around P260 IC262 #96 Check Digital Board IC262 - 29 -...
  • Page 30 Digital Board P261 #15 ? Digital Board Q07, 08 Digital Board IC501 #36, 37, 38, 39 - 30 -...
  • Page 31 Check IC01 #41 Check P107/108 #9, 10 (Control Assy) - 31 -...
  • Page 32 1, 77, 107 IC262 3.3V ? IC501 of C81D, C82F IC501 D881 D803, 804 IC832,833 - 32 -...
  • Page 33 at P101 #8, 9 IC2000 at #7,8,9,10 at #27,28 of IC2000 SPA2, SCL2 Pin 27, 28 of IC2000 - 33 -...

  • Page 34: Block Diagram

    BLOCK DIAGRAM - 34 -...
  • Page 35 MEMO - 35 -...

  • Page 36: Printed Circuit Board

    PRINTED CIRCUIT BOARD MAIN1 (TOP) - 36 -...
  • Page 37 MAIN1 (BOTTOM) - 37 -...
  • Page 38 MAIN2 - 38 -...
  • Page 39 COMPONENT LOCATION GUIDE(MAIN2) C401..E2 C830..C5 D488..D2 J421 ..G3 J862 ..C2 Q410 ..G4 R465 ..F2 R897..C2 C403 ..F2 C831..A4 D803..C5 J423 ..G3 J863...B2 Q413..F4 R466 ..G2 R898..B1 C405 ..F5 C832..A4 D804..C4 J425 ..G3 JP1 ....B5 Q416 ..D5 R467..D1 R899..C2 C407..D2 C833..A4 D805..C5 J426 ..G4 JP2 ....A5...
  • Page 40 DIGITAL (TOP) DIGITAL (BOTTOM) - 40 -...
  • Page 41 CONV N-IN (TOP) CONVERGENCE OUT CONV N-IN (BOTTOM) - 41 -...
  • Page 42 MICOM (TOP) MICOM (BOTTOM) - 42 -...
  • Page 43 CPT (R) CPT (G) CPT (R) - 43 -...
  • Page 44 AC INPUT & REACTOR CONTROL - 44 -...
  • Page 45 POWER S/W SIDE A/V PRE-AMP - 45 -...

  • Page 46: Exploded View

    EXPLODED VIEW - 46 -...

  • Page 47: Exploded View Parts List

    Description 3680V00078A LENS,SEKONIX LENS RN-44NZ73H PRO-50(50) R, G LENS ASSY 4810V00850D BRACKET,PRT ASSY RE-44NA14T MP03AB NON SEKONIX NF-50 R CLENS+COUPLER+CPT 4810V00850E BRACKET,PRT ASSY RE-44NA14T MP03AB NON SEKONIX NF-50 G CLENS+COUPLER+CPT 4810V00850F BRACKET,PRT ASSY RE-44NA14T MP03AB NON SEKONIX NF-50 B CLENS+COUPLER+CPT...

  • Page 48: Replacement Parts List

    IC264 0IMCRFA012A IC, DM74LS157MX FAIRCHILD 16P SOIC R/TP Q113 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC IC265 0ICTMLG010A IC, LGDT1000B LG IC QFP 128P TRAY DRP2 Q114 0TR150400BA TR, CHIP 2SA1504S(ASY) KEC IC266 0IMCRSO008A IC, CXA2151Q SONY 48P QFP TRAY 60LCD Q115...
  • Page 49 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q2201 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC Q432 0TR126609AA TR, KTA1266-Y(KTA1015) KEC TP TO92 50V 150MA Q2202 0TR150400BA TR, CHIP 2SA1504S(ASY) KEC Q500 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC Q2203 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC Q501 0TR150400BA TR, CHIP 2SA1504S(ASY) KEC...
  • Page 50 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q902G 0TR319809AA TR, KTC3198(KTC1815) KEC TP TO92 50V 150MA D603 0DS113379BA DIODE, 1SS133 T-72 TP ROHM KOREA DO34 90V Q902R 0TR319809AA TR, KTC3198(KTC1815) KEC TP TO92 50V 150MA D604 0DS113379BA DIODE, 1SS133 T-72 TP ROHM KOREA DO34 90V Q905G 0TR126609AA...
  • Page 51 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 52 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 53 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 54 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 55 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 56 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 57 366-932D CONNECTOR (CIRC),WAFER2.5MM 5P GIL-G P81A 366-009D CONNECTOR (CIRC),WAFER 2.36PAI 1P . K/M AUTO P107 366-921G CONNECTOR (CIRC),WAFER2.5MM 8P GIL-G LG CABLE . P81B 366-009D CONNECTOR (CIRC),WAFER 2.36PAI 1P . K/M AUTO P107 366-921L CONNECTOR (CIRC),WAFER2.5MM 12P GIL-G LG CABLE...
  • Page 58 P861A 387-A04A CONNECTOR, 4P 2.5MM 100MM H-B UL1007AWG26 R2717 0RD2702F609 27K OHM 1/6 W 5.00% TA52 P901B CONNECTOR (CIRC),WAFER2.5MM 10P GIL-G LG CABLE R2718 366-921J 0RD2702F609 27K OHM 1/6 W 5.00% TA52 P902B 366-921D CONNECTOR (CIRC),WAFER2.5MM 5P GIL-G LG CABLE...
  • Page 59 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 60 For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film digit in the P/No. means as CE : Electrolytic RN : Metal Film follows;...
  • Page 61 SWITCH, POWER SDDF3PASP013 LG C&D UL/C R919B 0RD6201F609 6.2K OHM 1/6 W 5.00% TA52 SWT01 140-313B SWITCH, TACT 2LEAD 160G(TA) LG C&D NON R919G 0RD6201F609 6.2K OHM 1/6 W 5.00% TA52 SWT02 140-313B SWITCH, TACT 2LEAD 160G(TA) LG C&D NON...
  • Page 62 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION FB2005 125-022K FILTER,EMC FERRITE 1UH TAPING L2021 6210TCT002B FILTER,EMC ACB2012M-300-T TDK , CHIP BEAD,LCD FB2006 125-022K FILTER,EMC FERRITE 1UH TAPING L2027 125-022K FILTER,EMC FERRITE 1UH TAPING FB2007 125-022K FILTER,EMC FERRITE 1UH TAPING L2028 6210TCT002B FILTER,EMC ACB2012M-300-T TDK , CHIP BEAD,LCD...
  • Page 63 JACK,RCA PPJ125C 2X5 10PIN,COMPO-6,AD-4 ACCESSORIES 3828VA0408B MANUAL,OWNERS MP03AB DG/BN/ 100R/U TX 016C 026C 3828VA0408C MANUAL,OWNERS MP03AB HS LG GR 100R/U TX 050A 3828VA0408F MANUAL,OWNERS MP03AB IS/REG LG IT 100R/U TX 3828VA0408J MANUAL,OWNERS MP03AB FS LG FR 100R/U TX 335A 6710V00100U...
  • Page 64 P/NO: 3854VA0124A - S1(1/2) 2003.7.22...
  • Page 65 P/NO: 3854VA0124A - S1(2/2) 2003.7.22...

  • Page 66: Svc. Sheet

    SVC. SHEET : 3854V A0124A-S1...
  • Page 67 Jul., 2003 P/NO : 3828VD0136C Printed in Korea...

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