LG RT-39NZ40RB Service Manual
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LG RT-39NZ40RB Service Manual

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PROJECTION TV
SERVICE MANUAL
CHASSIS : MP-015D
MODEL : RT-39NZ40RB
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
TV/AV
MENU
OK
INDEX
VOL
PR
website:http://biz.LGservice.com
e-mail:http://www.LGEservice.com/techsup.html

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Summary of Contents for LG RT-39NZ40RB

  • Page 1 PROJECTION TV SERVICE MANUAL CHASSIS : MP-015D MODEL : RT-39NZ40RB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. TV/AV MENU INDEX...

  • Page 2: Table Of Contents

    CONTENTS CONTENTS ...................... 2 SAFETY PRECAUTIONS ..................3 SERVICING PRECAUTIONS ................4 SPECIFICATIONS .................... 6 CONTROL DESCRIPTIONS................8 ADJUSTMENT INSTRUCTIONS ..............11 TROUBLE SHOOTING..................20 BLOCK DIAGRAM ..................28 PRINTED CIRCUIT BOARD................32 EXPLODED VIEW ..................46 EXPLODED VIEW PARTS LIST..............47 REPLACEMENT PARTS LIST ...............48 SVC. SHEET ....................... - 2 -...

  • 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 semiconductor "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. Quickly 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 B.O.M option 6) Warm up TV set for more than 20min. before the measurement. Test and Inspection Method 1) performance:Follow the Standard of LG TV test 2) Standards of Etc requirement Model Market Remark Appliance...
  • Page 7 Feature and Function Specification Remark Item AV Input Side V/L/R Feature (Rear,RT model) V/L/R AV Output (Rear,RT model) V/L/R Component Input COMPONENT1 :480i/L/R Rear COMPONENT2 :480p/L/R S-Video Input Side 1,Rear(SCART) 1 SCART (Rear,RE,RL model) Full SCART(with RGB Input) :1 Half SCART : 1 (AV In/out) Half SCART : 1 (AV In,YC In) Local Key POWER,MENU,VOL(...

  • Page 8: Control Descriptions

    7. NUMBER BUTTONS switches the set on from standby or directly select a number. 8. PSM (Picture Status Memory) recalls your preferred picture setting. (With TELETEXT) 9. VCR BUTTONS control a LG video cassette recorder. - 8 -...
  • Page 9 10. TV/AV selects TV or AV mode. clears the menu / text from the screen. switches the set on from standby. 11. TURBO PICTURE BUTTON POWER selects Turbo picture. 12. TELETEXT BUTTONS (option) I/II TV/AV These buttons are used for teletext. TURBO SOUND PICTURE...
  • Page 10 Front panel • RT-39NZ40 series TV/AV MENU INDEX TV/AV MENU INDEX 2 3 4 5 (Side panel) 1. MAIN POWER (Volume Down/Up) switches the set on or off. adjusts the volume. adjusts menu settings. 2. TV/AV (Programme Up/Down) selects TV or AV mode. selects a programme or a menu item.

  • Page 11: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS Raster Slope/Focus 1th Adjustment 45mm 1. Preliminary steps 1) Receive the EU 05 CH signal. 2) Adjustment Lens focus and Electric provisionally. 3) Set the convergence on RESET. a.Adjustment mode:Press the SVC key and then press the /M key. b.Data reset : Press 5 KEY and then OK key.
  • Page 12 2. Adjustment 3) Reset the data in convergence adjustment mode,quit the mode. 1) Operate adjustment about Red,Green,Blue centering Adjustment Mode : Press the “SVC” key and then /M key. magnet. Data reset : Press the “5” key and then OK key. 2) SGS-THOMSON Convergence assy Adjustment mode cancellation :Press the /M key.
  • Page 13 12) L-VL(Lower Vertical Linearity) 2. G-lens Adjustment Adjust vertical linearity of lower screen 1) Rotate the lens until the chromatic haze changes from blue to red. 13) VL (Vertical Linearity) 2) Viewing the all screen, in no case of the chromatic aberration Adjust the top/bottom size of circle to be same in the EU 05CH.
  • Page 14 Convergence Adjustment 4. Auto convergence Convergence is based on the auto adjustment using PC and 1. Preliminary steps Camera while applying the THOMSON convergence Assy and if need,adjust manually like below method. This adjustment should be performed after warming up 60 minutes.
  • Page 15 3)If not,press SVC key on R/C to enter adjustment mode and then press the YELLOW key to move into ‘SERVICE Auto-Convergence Check ADJUSTMENT 5’ 1)Check the Auto-Convergence in PAL/NTSC mode separating. 4)Adjust M-HOR and M-VER so that left/right space to be 2)Press the SVC key on R/C for adjustment and press the symmetry.
  • Page 16 Convergence Adjustment Mode * 39” 16:9 WIDE MODEL - SVC -> / / M -> MENU <NTSC mode> <PAL mode> * This Mode is for engineering. So,don’t change before permission from Design Department. 0.AC POSITION READ : Distance data(After auto convergence 12,15 12,12 10,26...
  • Page 17 SVC Adjustment mode & Initial data Range Menu Description Default DC-TR DC transmission control 1. White Blalane adjustment data (IC:CXA2100) LRGB2 RGB2 output level control Menu Description Range Default DL-PA DElay Line switching Red Drive SHPF0 Sharpness f0 Green Drive CB-F1 INput1 CB signal DC Offset Blue Drive...
  • Page 18 6.OPTION Data Adjustment Range Description Default Range Description Default 1: With Teletext 200 PRO 1: 200 Program(CHINA Only) TEXT 0: Without Teletext(CHINA) 0: 100 Program 1: RF 54% Modulation INput 1: With TURBO Search TSEAR option3 SCART 0: RF 100% Modulation INput 0: Without TURBO Search 1: China+AUST.Channel Table I/II SV...
  • Page 19 State Language Function Default English 0:ENG Only 1:EU 5EA English/German/French/Italy/Spanish 2:EU ETC Pol./Hungary/Czecho/Russia/Eng 3:PARSI English/Parsi LANG 4:ARAB URDU English/French/Arab+Urdu 5:English+Hindi English/Hindi 6:English+I+M+V English/Indonesian/Malaysian/Vietnamese English/Thai 7:English+THAI 8:English+China English/China 0:West Europe English/French/Swedish/Czech/German/Spanish/Italian 1:East Europe Polish/French/Swedish/Czech/German/Slovenian/Italian/Rumanian option4 2:Turkey EU English/French/Swedish/Turkish/German/Spanish/Italian 3:EAST EU2 English/Hungarian/Serbian/Czech/German/Polish/Spanish/Italian/ Rumanian 4:Cyrillic 1 5:Cyrillic 2...

  • Page 20: Trouble Shooting

    TROUBLE SHOOTING - 20 -...
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  • Page 28: Block Diagram

    BLOCK DIAGRAM SIGNAL(RT -) - 28 -...
  • Page 29 BLOCK DIAGRAM SIGNAL(RE/RL-) - 29 -...
  • Page 30 BLOCK DIAGRAM IC401,406 B+(115V) B+(105V ) KIA358 H OUT H-DRIVE DUMMY H-DF H-DRIVE Q402 H-DY TRANS Q403 IRFIBC206 T405 T401 2SC5446 FOCUS FOCUS PACK HV OUT HVDRIVE HV DRIVE Q413 TRANS T403 BLOCK Q416 IRFIBC20G T402 2SD1887 DYNAMIC FOCUS PWM PULSE P411 9V p-p Q433...
  • Page 31 MEMO - 31 -...

  • Page 32: Printed Circuit Board

    PRINTED CIRCUIT BOARD MAIN1 - 32 -...
  • Page 33 COMPONENT LOCATION GUIDE(MAIN1) J215 ..G5 Q503 ..E3 R110 ..G5 R621 ..D2 C001..A5 C202 ..G4 E007 ..F1 J39 ..C2 J110 ..D4 C002..B5 R111 ..G5 R622..F1 C203..F3 E008 ..F1 J40 ..B2 J111 ..G3 J216 ..G4 Q600..F2 C003..B5 C205 ..G4 F001 ..B5 J41 ..B1 J112 ..G3 J217 ..G4 Q601 ..D2...
  • Page 34 MAIN2 (DEF) - 34 -...
  • Page 35 COMPONENT LOCATION GUIDE(DEF) C401..A2 C480..F1 E424 ..F1 G457 ..D1 J458..F2 P409B ..C2 R435..E1 R40D ..E5 C481..E2 E425..A1 G458 ..D1 J459 ..C2 P409C ..C2 R436..E1 R40E ..E5 C402..A2 IC401..E2 J460..F2 P409D ..C2 R437..E4 R40F ..E5 C403 ..D3 C482..E2 E426..B1 P410A..F5 R438..F4 R40G..E5 C404 ..C1 C484..B3...
  • Page 36 SMPS - 36 -...
  • Page 37 COMPONENT LOCATION GUIDE(SMPS) J850..F5 P810B ..G1 R863 ..G5 C801 ..D5 C868 ..C4 D837..F4 G804..F4 G862..F4 IC801..B3 G863..F4 IC802 ..C3 J851..F5 P811A ..G2 R864 ..G4 C802 ..D5 C869 ..C3 D839 ..G2 G805 ..B5 R865 ..G4 G806 ..B4 G865..F4 IC803 ..C1 J854..F2 P812A..F1 C803..B5 C870..F3...
  • Page 38 CONV-OUT - 38 -...
  • Page 39 CONTROL POWER S/W PRE-AMP SIDE AV - 39 -...
  • Page 40 INTERFACE CONTROL CONVERGENCE INTERFACE - 40 -...
  • Page 41 CONVERGENCE (TOP) CONVERGENCE (BOTTOM) - 41 -...
  • Page 42 MICOM (TOP) MICOM (BOTTOM) - 42 -...
  • Page 43 100HZ (TOP) 100HZ (BOTTOM) - 43 -...
  • Page 44 AV (TOP) AV (BOTTOM) - 44 -...
  • Page 45 AUTO CVG SENSOR(BOTTOM) AUTO CVG SENSOR(TOP) - 45 -...

  • Page 46: Exploded View

    EXPLODED VIEW(RT-39NZ40RB) - 46 -...

  • Page 47: Exploded View Parts List

    BRACKET,PRT ASSY RT-39NZ40 MP015D NON G LENS+COUPLER+PRT 4810V00833C BRACKET,PRT ASSY RT-39NZ40 MP015D NON B LENS+COUPLER+PRT 120-D38E SPEAKER,MID-RANGE LG FOSTER 8 OHM 15/25W 87DB 12 4810V00697A BRACKET SPEAKER RN-39NZ40 SP02PA HIPS 51SF . 6150Z-1100B DY(DEFLECTION YOKE),DY 38 KHZ 07 LGPD PRT...

  • Page 48: Replacement Parts List

    The components identified by mark critical for safety. REPLACEMENT PARTS LIST Replace only with part number specified. LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION IC408 0IKE358000A IC, KIA358P DIP8 DUAL OP-AMP BK IC409 0IKE780500Q IC, KIA7805API 3P TO-220 ST REGULATOR 5V DLA801 0ISK100300A IC, SLA1003 SIP12 BK DIODE MODULE LF816...
  • Page 49 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q002 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC Q204 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC Q002 0TR319809AA TR, KTC3198(KTC1815) KEC TP TO92 50V 150MA Q205 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC 0TR319809AA 0TR387500AA Q003 TR, KTC3198(KTC1815) KEC TP TO92 50V 150MA Q2050 TR, CHIP 2SC3875S(ALY) KEC...
  • Page 50 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q502 0TR150400BA TR, CHIP 2SA1504S(ASY) KEC 0TR319809AA TR, KTC3198(KTC1815) KEC TP TO92 50V 150MA Q503 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC DIODE 0TR319809AA Q503 TR, KTC3198(KTC1815) KEC TP TO92 50V 150MA Q504 0TR387500AA TR, CHIP 2SC3875S(ALY) KEC...
  • Page 51 LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION D703 0DD226239AA DIODE,SWITCHING CHIP KDS226 SOT-23 D908R 0DR210009AC DIODE, TP DO35 200V 0.2A 1A 50SEC 100A D704 0DD184009AA DIODE,SWITCHING KDS184S CHIP 85V 300MA D911B 0DR210009AC DIODE, TP DO35 200V 0.2A 1A 50SEC 100A 0DD226239AA 0DR210009AC D705...
  • 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 The components identified by mark For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 57 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 58 P002 366-173G CONNECTOR,WAFER 2.5MM 8*2P AEPH-254 A/K P904B 366-921H CONNECTOR,WAFER 2.5MM 9P GIL-G . 366-921H P002A CONNECTOR,WAFER 2.5MM 9P GIL-G LG CABLE . RESISTOR P003 366-173L CONNECTOR,WAFER 2.5MM 12*2P AEPH-254 A/K P003A 387-A08A CONNECTOR ASSEMBLY, 8P 2.5MM 100MM H-B AR001...
  • 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 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 62 The components identified by mark For Capacitor & Resistors, CC, CX, CK, CN : Ceramic RD : Carbon Film the charactors at 2nd and 3rd CQ : Polyestor RS : Metal Oxide Film critical for safety. digit in the P/No. means as CE : Electrolytic RN : Metal Film Replace only with part number specified.
  • Page 63 SW800 140-289A SWITCH,PUSH POWER SDDF3PASP013 LG C&D R925G 0RD1002F609 10K OHM 1/6 W 5% TA52 SWT1 140-313B SWITCH,TACT 2LEAD 160G(TA) LG C&D NON R926B 180-C02P 220OHM 1/2 W 5% TA52 SWT2 140-313B SWITCH,TACT 2LEAD 160G(TA) LG C&D NON R926G 180-C02P...
  • Page 64 SPARK GAP,AXIAL WSP-301M 300V 20% 5MM L2018 6210TCT002B FILTER(CIRC),EMC ACB2012M-300-T TDK SG903R 6918VAX002D SPARK GAP,AXIAL WSP-301M 300V 20% 5MM 6210TCT002B L2021 FILTER(CIRC),EMC ACB2012M-300-T TDK ACCESSORIES L2027 125-022K FILTER(CIRC),EMC FERRITE 1UH TAPING L2028 6210TCT002B FILTER(CIRC),EMC ACB2012M-300-T TDK 3828VA0372H MANUAL,OWNERS RUS/BZ03 LG RU/EN - 64 -...
  • Page 65 163-048D THERMISTOR,KL15L2R5 SSANSHIN +/- 15% 125V TH802 163-048D THERMISTOR,KL15L2R5 SSANSHIN +/- 15% 125V TU101 6700VPF011A TUNER,TAUC-Z140D LG, LTD PAL DIN 38.9MHZ 4S TU102 6700VPF011B TUNER,TAFC-Z140P LG, LTD PAL 38.9MHZ 4S VA801 164-003K VARISTOR, 620V 0% UL/CSA/VDE BK - 65 -...
  • Page 66 P/NO:3854VA0094D-S1(1/2) 2003.03.13...
  • Page 67 P/NO:3854VA0094D-S1(2/2) 2003.03.13...
  • Page 68 P/NO:3854VA0094D-S2(1/2) 2003.03.13...
  • Page 69 P/NO:3854VA0094D-S2(2/2) 2003.03.13...
  • Page 70 P/NO:3854VA0094D-S3 2003.03.13...

  • Page 71: Svc. Sheet

    SVC. SHEET : 3854V A0094D-S1 3854V A0094D-S2 3854V A0094D-S3...
  • Page 72 Mar., 2003 P/NO : 3828VD0133H Printed in Korea...

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