NEC NLT-40PAN Service Manual
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NEC NLT-40PAN Service Manual

NEC NLT-40PAN Service Manual

40inch tft-lcd tv/monitor
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SERVICE MANUAL

NLT-40PAN
40inch TFT-LCD TV/MONITOR
2007. 09. 15

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Summary of Contents for NEC NLT-40PAN

  • Page 1: Service Manual

    SERVICE MANUAL NLT-40PAN 40inch TFT-LCD TV/MONITOR 2007. 09. 15...

  • Page 2: Table Of Contents

    CONTENTS ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 1. SAFETY PRECAUTION ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 2. BLOCK DIAGRAM ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 3. GENERAL SPECIFICATION ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 4. TROUBLE SHOOTING ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 5. CONTROLS OF FRONT PANEL ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 6. CONNECTIONS OF BACK PANEL ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 7. REMOTE CONTROL HANDSET ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 8. PCB LAYOUT ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 9. SCHEMATIC DIAGRAM ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥...

  • Page 3: Safety Precaution

    1. Safety Instructions Important Safety Notice Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in 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 Shock, Fire, or other Hazards.

  • Page 4: Block Diagram

    2. BLOCK DIAGRAM ■ BLOCK DIAGRAM...
  • Page 5 ■ IC FUNCTIONAL BLOCK DIAGRAM (SVP-PX52)
  • Page 6 ■ IC PIN ASSIGNMENT (SVP-PX52)
  • Page 7 ■ IC BLOCK DIAGRAM (M30300SAGP#U5C)
  • Page 8 ■ IC PIN OUT (M30300SAGP#U5C)
  • Page 9 ■ IC BLOCK DIAGRAM (MSP44/46xyK,PMQFP80-1)
  • Page 10 ■ IC PIN OUT (MSP44/46xyK,PMQFP80-1)
  • Page 11 ■ IC BLOCK DIAGRAM (STA335BW) ■ IC PIN OUT (STA335BW)
  • Page 12 ■ IC BLOCK DIAGRAM (CXA2089Q,QFP) ■ IC PIN OUT (CXA2089Q,QFP)
  • Page 13 ■ IC BLOCK DIAGRAM (TW9910,QFN) ■ IC PIN OUT (CXA2089Q,QFP)

  • Page 14: General Specification

    3. General Specification No Item Specification Remark Unit 1. Video Input 1) NTSC M 3.579545 / 60 Hz 2) NTSC 4.43 4.433618 / 60 Hz 3) PAL 4.433618 / 50 Hz 4) SECAM 4.286 / 50 Hz 2. Component Input 480i/59.94/60Hz Table 1 .
  • Page 15 < Table 1. > Component Signal Resolution ■ o Resolution H-freq(KHz) V-freq.(Hz) Pixel clock(MHz) Proposed 1. 720x480 15.73 59.94 13.500 SDTV,DD 480i(525i) 2. 720x480 15.75 60.00 13.514 SDTV,DD 480i(525i) 3. 720x576 15.625 50.00 13.500 SDTV,DD 576i(525i) 720x480 31.47 59.94 27.000 SDTV 480p 59Hz 720x480 31.50...
  • Page 16 < Table 4. > HDMI(DVI)- DTV Resolution ■ Pixel No Resolution H-freq(KHz) V-freq.(Hz) Proposed clock(MHz) 720x480 31.47 59.94 27.000 SDTV 480p 59Hz 720x480 31.50 60.00 27.027 SDTV 480p 60Hz 720x576 31.25 50.00 27.000 SDTV 576p 50Hz 1280x720 44.96 59.94 74.176 HDTV 720p 59Hz 1280x720 45.00...

  • Page 17: Trouble Shooting

    4. TROUBLE SHOOTING No RASTER No RASTER Check Faster P801 & Power B/D P801 Main B/D P602 P602 Connector Connector? Check Power B/D P802 Faster P802 PANEL INVERTOR Connector INVERTOR Connector? Check Faster P603 Main B/D P603 PANEL Connector Connector? Check Faster P400 Main B/D P400...
  • Page 18 No Picture PICTURE Check Replace IC602 IC602 PIN2 High? Replace Check X400 X400 Check Replace IC604 PIN2 High? IC604 Check Replace IC607 IC607 PIN2 High? Check Replace IC605 IC605 PIN2 High? Replace Check X300 X300 Contact A/S Team...
  • Page 19 No Sound No SOUND Check Replace IC902 IC902 PIN3 High? Check Replace IC905 IC905 Replace Check X901 X901 Check Replace IC1001 IC1001 Contact A/S Team...

  • Page 20: Controls Of Front Panel

    5. CONTROLS OF FRONT PANEL...

  • Page 21: Connections Of Back Panel

    6. CONNECTIONS OF BACK PANEL...

  • Page 22: Remote Control Handset

    7. REMOTE CONTROL HANDSET...

  • Page 24: Pcb Layout

    8. PCB LAYOUT ■MAIN TOP SILK...
  • Page 25 ■MAIN BOTTOM SILK...

  • Page 26: Schematic Diagram

    . SCHEMATIC DIAGRAM...

  • Page 38: Exploded View

    11. EXPLODED VIEW -LC-40IHX5...

  • Page 39: Replacement Parts List

    12. REPLACEMENT PARTS LIST • LC-40IH*5 P / N 규 격 회 로 번 호 A2C7L40MNB3 LC-40IM/HA5 MAIN PCB ASS'Y REV1.3 ASS01; A3C7L40MNB3 LC-40IM/HA5 MAIN(MANUAL INSERT) REV1.3 ASS02; AVK3-662-0200 (COMP 3P GR-BU-RD), Vertical JA13RCFR037 P702; type AVK3-662-029A(RCA_L/R WITH S/W RD-WH), JA12RCFR021 P701;...
  • Page 40 0CE051HA105 1uF STD 50V M FL TP5 (5X11 85℃) C405,C409,C614; 0CE051HA226 22uF STD 50V M FL TP5 (5X11 85℃) C910,C942; 0CE051HA335 3.3uF STD 50V M FL TP5 (5X11 85℃) C920; 0CE051HA474 0.47uF STD 50V M FL TP5 (5X11 85℃) C748; 0CE051CA475 4.7uF STD 16V M FL TP5 (5X11 85℃) C733,C752,C739,C738,C743,C740;...
  • Page 41 0CC161VK560 56pF 50V 10% 1608 R/TP (560) C906,C932; 0CC161VK680 68pF 50V 10% 1608 R/TP (680) C226,C227,C310,C319,C1010,C1011; C100,C101,C102,C103,C104,C105,C107,C110,C112,C115, C116,C117,C113,C109,C106,C200,C201,C204,C208,C210, C212,C213,C214,C215,C216,C222,C223,C225,C301,C914, C302,C303,C305,C306,C307,C308,C309,C311,C312,C313, C314,C315,C320,C321,C322,C323,C324,C325,C326,C327, C328,C329,C330,C331,C332,C333,C334,C335,C336,C337, C338,C339,C348,C349,C350,C351,C352,C353,C354,C355, 0CC161VM104 0.1uF 50V 20% 1608 R/TP (104) C356,C357,C358,C359,C360,C361,C364,C367,C370,C372, C375,C378,C400,C401,C402,C403,C406,C415,C407,C502, C604,C606,C607,C608,C609,C611,C618,C619,C620,C621, C624,C625,C744,C805,C809,C820,C826,C902,C904,C916, C1001,C1005,C1006,C1007,C1008,C1009,C1013,C1018,C10 20,C1046, C1047; 0CC201VM104 0.1uF 50V 20% 2012 R/TP (104) C1015,C1016,C1027,C1028,C1029,C1030;...
  • Page 42 0RC161RJ201 200 OHM 1/10W 1608 5% D (201) R805; 0RC161RJ202 2K OHM 1/10W 1608 5% D (202) R217,R218,R613; 0RC161RJ220 22 OHM 1/10W 1608 5% D (220) R202,R212,R311,R312,R437,R449,R450; 0RC161RJ221 220 OHM 1/10W 1608 5% D (221) R204,R205,R606,R938,R939,R940; 0RC161RJ222 2.2K OHM 1/10W 1608 5% D (222) R808;...
  • Page 43 0RC161RJ100 10 OHM 1/10W 1608 5% D (100) R501; 2N7002, SOT-23, N-Channel Enhancement mode 1FC2N702FIR Q300,Q303,Q701,Q703,Q707,Q708; FET, FAIRCHILD 1FCI4925TEM SI4925DY, TEMIC, SO-8, 30V 6.1A Q603; MMBT2907ALT1G, ON SEMI, SOT-23 (Pb-Free), 2TCT2907OSE Q301,Q709,Q712,Q802,Q803,Q804,Q902,Q905; switching (KTA1504 대대 ) MMBT2222LT1G, ON SEMI, SOT-23 (Pb-Free), Q100,Q101,Q102,Q302,Q400,Q401,Q402,Q601,Q604,Q711, 2TCT2222OSE switching (KTC3875 대대...
  • Page 44 ISLD1117ST2 LD1117S33TR SOT-223 3.3V 800mA, ST IC601,IC602,IC608,IC1001; WA1125WR110 12505WR-11 (SMD) , YEONHO P400; JA1HDIFR192 HDMI (SMD , Vertical type) P100,P101,P102; SVP-PX52 PQFP 256P TRIDENT SCALER+VIDEO IQSVPX52TRI IC300; DECORDER A2C7L00KNB0 L*-32/40I**5 KEY PCB ASS'Y REV1.0 ASS017 A4C7L00KNB0 L*-32/40I**5 KEY(AUTO INSERT_RADIAL) REV1.0 ASS018 TACSWIT313B TACT 2LEAD 160G(TA) 140-313B, (DIOS)
  • Page 45 NEW BLUE-EYE NON EU SIDE AV PCB A2C7L00SNB0 ASS011 ASS'Y REV1.0 NEW BLUE-EYE NON EU SIDE AV(MANUAL A3C7L00SNB0 ASS012 INSERT) REV1.0 WA1200WS050 SMW200-05P (DIP) , YEONHO PS104; WA1200WS110 SMW200-11P (DIP) , YEONHO PS103; JA1EARFR010 UEJ-CV-003 (EAR-PHONE) PS102; JA13RCFR031 PPJ128A-2 (A/V 3P WITH S/W RD-WH-YL) PS100,PS101;...
  • Page 46 ■ PCB Rev. LIST NO PCB Rev. NO Remarks ■ Soft ware Rev. list NO M-com Rev Remarks...

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