LCD TV SERVICE MANUAL KONKA GROUP CO,LTD.
Contents
1. lt N gt co ES 2 0 a Se gt gt A e gt R1033 GND co 28080 80205 pole E gt as SAO w 2111 d 82003 S EU ELA 5222090 C2016 Ver O 2 1 4 T eD sa GE 0009 1 1 R200 AST 8 me 8 80 R20 020 E eu l mE Sa Jame 1 1 gt em NOGA eso T aa Le 01 pum do Tu ROT DR Ojo CN GND a IHAA AS A SDA HNOS b 9 a GND 2030121 2 121 1 18 lt 1 STDB MUTE aa Has G A DON HET P 2 810086 vas Side mm0 02. Specification MAKER 22uF 16V FP1451 or TL1451 or TEAPO SANYO HER 22uF 50V BA9741 Or 1 MELFUHJYYU 17418 TDK PHILIPS 32 33 35 37 ARCOTRONICS TAI C6 C10 C27 C28 105 16 0603 TDK PHILIPS C34 C36 102 50 0603 TDK PHILIPS 1 470 50 0603 TDK PHILIPS C C19 C26 C 2 CN CN 5 150uF 25V 2 SANYOHERMELTEAPO 1 C2 C29 C30 _ 22pF 3KV DIP 4 TDK PHILIPS 2001J 06 RT ORICH E201214 1 S6B PH KL JST 1 ORICH JST FCN E60389 JH2 22 0648 41871 SM02B BHSS 1 TB JST E60389 87210 0208 ACES 4 JST ACES FCN E205655 01 01100 0228 201214 D12 D13 D14 D15 D16 D17 D18 D19 RLS4148 ROHM YING TS MMC D9 D11 SK24 or 2A 40V ROHM YING TS MMC D7 D8 ZENER 13V ROHM YING TS MMC __ 12 pum gt es m 2 YAGEO SYNTON TECH 2 R16 R17 R18 R20 20K 0603 4 LIKET EVER OHMS TA I YAGEO SYNTON TECH YAGEO SYNTON TECH 1 5K 0603 1 i R4
3. 3 4 5 6 PWMOUT LCDON 0506 Estos BC847 SOT Z R581 R579 R583 NC 10K 10K 5 519 O 1uF DGO O RET 47K 1 4 BCMTSOT 23 m TEES OPEM 10K 1828 R572 E NAMNA 2 XS514 4 02006 6 Display Output 1816 1 5 Bs 4 2 E o e 5 eae A 4 46 m2 DR proi o 29 30 500 100uE_16V_T O 1uF e 27 28 ___ 1 25 26 DGNDDGND 1526 23 24 105 es FB oz 20 9435 VI20 V Y 4 1 260 2 8 2595 q 15 le 10K BC847 SOT 23 4 2 Deor 5 100uF_16V_T e E 4 298 0 XSSI7 1527 AUXSV D2006 5A cj a 4 O AUXSV 2 c5 ln m a OlE A 10uE 10V 4 al 022uF 9435A R575 C509 300 OPTIONAL FOR 3 3V DRIVE PANEL 5 2 100uF_16V_T 2 E d 818 vsv 2 LMILIT33V 7 2 i 0505 OPTIONAL FOR 5V DRIVE PANEL BC847 SOT 23
4. 1 2 3 4 5 6 7 8 inverterePCB 35007175 schematic circuit R720 300k VL REF l get N par 28 1 0709 1 0 47uF 2 Comp ue 7 R709 1K C710 99 721 32 EF p L 6 SI9926BDY 22pF 3kV u 2 4 25 8701 gt 100k C736 1uF 25V D703 24 gt 714 14148 Ne luF 25v 6 23 Sloo26BD Y R716 c cm co 10K AGnd 2 2nF 0 22uF 10 22nF C703 NZ Led py PRL 22 R727 10nF I 2i lt NC PGR R717 1k VIA 9 20 nomme 180 0733 1uF 25V 8707 712 30k i 39 SI9926BDY CT aes i 22nF R703 68ohm Our R728 5704 12 gt 33k 8 XS701 R706 C713 2 0715 EPC 19 C723 B onn 16 SI9926BDY 1uF 25v C717470pF 22pF 3kV R715 A 10k 22nF 51 C708 14 15 R730 300k R708 R731 D701 R710 1712 719 0720 3 20k 24k 184148 5 Z 300K 2K 0 11 N A D704 1 701 114148 8705 XM MP1018EM C724 C731 725 MMBT3904 47nF 2 0 1uF E E 2 R702 x D705 10k 1N4148 R704S C70 C734 100k lt gt 0 1uF 0 luF 16V F701 C735 0 1uF 16 4 a C705 220uF 25V Title INV MP1018 Size Number Revision A3 1 A Date 9 Oct 2004 Sheet lof 1 Drawn By 1 2
5. cas 2 06029 2 ME 5 T T T t6 e 0069 96082 lt e O gt gt 7002SX e T At E 5 25851 llm ay 111 Q 2243 L00ZN 2029 03 17 N2000 16 CS 7 X6 7 Ano AS ec 93 0mm Of 27 5 KLC TM1508 Analog Board Toplayer 62 x x x x M 3x1 5 CULTA 5 y XS 7 9 amp lt STE I ES CiN B T 27 LO 5 b gt t5 UTEM ME pa n 010 if E AAA oz 042 200 1800 700017 gt c LO 34 130 KLC TM1508 Analog Board Bottomlayer no ee
6. LCDON TXEOM TXE1P 1 TXO1M TXO2P TXO2M TXO3P TXO3M TXOCP TXOCM 100 VPANEL XS504 LVDS C357 100uF_6V_T L514 FB C565 lOuF 6V T C542 6325 0 1uF 0 1uF 0 1uF 0 1uF GND GND V33 543 C531 C540 517 C512 558 5535 536 0 1uF 0 luF 0 luF 0 luF 0 142 0 1uF 0 luF GND Bypass caps for Ul4 VOO is 3 3V LVDS power for 013 and 014 Title DS90C383 SCH Size Number B Revision Date 29 Mar 2005 Sheet of File EAEBLC TM 15 80PV5 AND 90c3831 SCBrrawn By 3 4 2 3 5 6 j L R627 OPEN DIODE i VCCO 1628 RXD V DDC 5VO D610 DIODE R632 10K N605 8 V33 8202 7 33 R641 ien 1 C675 2 2K DDC 6 SCL NC2 2 sese 5 SDA NC3 3 0 luF C693 197 TALVC32 0 1uF e e Sa S 4 R635 1 2 NC IN608A gt 3 R629 R630 24LC21A 2 10K 10K C682 3 3 R634 75 56pF L618 VSYNC1 AVSYNC D6057 D606 BAV99L BAV99L C678 R642 75 AHSYNC E 1 R636 R667 NC 4 2 E wb 6 9 TXD 5 7ALVC32 R666 0 74ALVC32 V33 R640 IIK IT NEED 3 3V POWER V33 T 15
7. PTE 10446 C447 TLD O LOIN SLO col 1 t ol AITO Oe Ss AAAHHH AI O NY 9 90 NAAG NNN 11111111 114 Er an ag an L CIT quer 0 1uF 0 1uF PW1306 Document 900 0 00 Date Thursday September 16 2004 Bb heet 4 5 4 3 RDn CS0n V v CH CH MENU AV TV 133 33 V33 V33 V33 V33 V33 V33 1 7 0548 0 1uF v33 953 R5326 8532 R534 R53 l R5364 48537 4 R538 E 10K 4 10 6 10K4 10K4 10K4 10K4 OK lt 10K 17717172 RN501 2191 QE soe 47 _ 118 _ 1a H RGB SELO un l as IS m A 10 0 RGB TA A 16 nor 8 41111 7 FE 4Q ler eg H 50 ERIS NT swo 5 paa 7 i4 os 1 INPUT SW1 E e po EPR E TZ 8 Lit L9 3 do undi paro y or MUTE OUT EI pea 1 H al 502 74LVC541A_PW gt 47_ e In Buffer male put 74142733 To Key Board STANDBYn Output Latch POWE RDOWN v12 5 1206 lt 8816 F801 L814 FB C869 1 L ii A aks MP1410 t a e mS u SE L813 15 a LA C851 _ _ 0864 fe 2
8. UT ORT LC TM2D08 OL4 ADAPTER 112v HTEH KLC TM1508 SIGNAL PROCESSING KLC TM1508 Digital TE Board schematic circuit diagram C334 C333 R305 100 SCL 0 1uF 22uF_10V_T SDA R304 100 C309 C314 C324 0 1uF 0 luF 0 luF C337 2322 22uF_10V_T 22 7301 C329 22 24 576 C311 N301 5 7114 RP301 33x4 1304 3 304 R314 jg Sea iH 54 1 lt 6567 V6 0 0 ES T i 656 4 V656 Vedio Input V656 0 7 315 0 01 0 0luF Sjo Le QI TP 130 55 R315 R316 R303 39K 3E 3 3K VCLK YNYS A vas 30 V HSIP 33 4 TVINPUT ee R301 IN4148 656 0 13 NA E 47K 8311 5 m n V656 0 7 RCA 8 lt Title DYNAX ELECTRONICS HK LTD Size Number Revision Orcad B Date 29 Mar 2005 Sheet of File EAEBILC TM1580PV HE K idecoder1 sch Drawn By 1 2 3 4 5 6 DREJO 7 0 7 0 7 7 DGOJ 0 7 7
9. AV99L 602 BAV99L BAV99L lt 4 1 608 400HM 100MHZ RAIN OHM LI VA MeMa o 400HM 100MHZ 40 100 7 EEG recie 1 L612 400HM 100MHZ Sa BAIN oe cia C661 C656 C652 12P 12P 12P 25 a 1 HSYNC1 2 3 4 Aaa 25 6 E EE 8 10 11 DDC_DAT T RXD TXD DB14 VGA SA Title GRAPHICSIN SCH Size Number Revision Orcad B Date 29 Mar 2005 Sheet of File 158 HE ENG RAPHICSINDISGH By 2 3 5 6 ROMOEn 33 33 R345 ROMWEn N307 26 RESETn 28 A E 210 15 SS R249 L 1 47 DI 29 bo 31 01 SDA 100K 25 33 P SCL gt 0 pE 23 D5 38 D4 Y 22 D6 40 05 B i D7 bee NMI Pushbutton NMI 19 9 Y pio 32 28 rmi bn P _ 13 1 22 5 77 4 pe 0 48 4 DIS 43 D4 A 32 15 2 va Ya 18 R358 N309 Flash_8M C383 8 p 0 1uF 3 3K SCL m SDA XS309 7 C396 4 3 NCO WP 0 1uF 2 1 4 V33O NC2 GND lt gt 24 16 NVRAM 133 R35 3 3K RESETn 19 V33 C398 XS313 18PF A2 i 2 1
10. d 3 nao7a PRO 8 1 Graphics andy 55578 p 747 Video Port NMI Ep NMI Ip Mir NMI DGRO WA D RO 7 0 bent 225746284008 169 DER Tip 17 ES 0 212 X BKLON lt at d MAS 9 7761 A 1 5M 4 nS 2 AS w mamas V656 3 1 RD 5 196 RDn DGR6 Li25 _3HA 21 8 94 vere 4 2401 Ve WRN _cyTP15 par 4 lA yy 5_RN409 MEE XTAL14 31818 ee WE 17 WRn ROMOEN uM YI 4 27757 X X607 X60 BOMOE 5198 121 ph Ea PW1306 56 lt 561 1656 EN ro a 0881 pac DGO 7 0 56 99_ _______2 Ls E ali 200_ on AAA LEN 51 CSin DGG2 AS m c EN 20418 gt LSU 1547 33pF 33pF I B PW1306 7 24 VCLK DGG5 16 LAA NAL er 1 pace HLB BANAL V18 pac 4 2 408 1412 1409 Eo 11 1 175ma max Mode 40ma max DGBO DBO 7 0 2 ad crc NET pago C Y 11 4 R V18 V18 V18 V18 V18 V18 0420 10 1 410 hat p El 8 47 RN 1 Py pyoo Fe UY E 210422 _ 6423 0424 0425 0428 06427 1 C421 10 tur C 10_ 3 8 413 H D
11. 5 3 2 1 196 TP7 188 199 0448 3428 ol cu K DEN ni 5015 7 2 R426 gt R423 47 NC PU DOLINEG eee DOLK es DOK aaa NS POH E she EE TESTEN DHS Pio DHS lt lt 22 2 pvs PS DVS HIR 11111 204 22021 p DRE 7 0 1 pots cg FS 7 188 DR2 LM U SAA AUS I 1 1 98 4 1 136 486 A eee EN C414ll47nF RED 37 181 To 1 RAIN 3 Hisl p 1 8 4 on HE ERAN GAIN 415 4208 GREEN _ 431 GREEN mo PO DRe FR mere ACES selle ____1508 44 A E88 i 8__ IBLUE DGO BAIN C417 ezo 801 pr UE X PORTADO pat H BECA AA ENT 1 2071 86 Sb 6 RN404 m Blue a 206 PORTAL 4070 A a8 206 4 5 4j 284 PORTAS ar E as ns a 4 Wiss 0 518 20234 1 IRRCVR 202 1 PORTAS 066 72011 PORTAS PW1306 pM HRS R433 lt __ gt PORTAZ 78 ima WA 12 fh pp I R421 1K Display Port 080 E th RA DBE 7 0 01UF T __142 L74 _ 716 RN406 430 TRST 082 F HI pes
12. 4 PLL 1 INPUT OUTPUT AVSUP 12 13 D CTR I D_CTR ADR SEL STANDBY 100 16 SC2 0UT L N2000 MSP34X26 5C2 0UT R DACM_S 100u 16V OUT 241 51 INe GND4 GN03 GND2 GND1 GND R 0U DVSUP 1 16 R2008 SCL SDA 16W 100 1 16W R2043 LT 10K 1 15W AUDIO IN R AUDIO IN L GND CVBS GND 5V 2 MUTE STANDBY GND SCL SDA GND AST STANDBY BCB47
13. x52001 2 M3 AUDID AMP 2901 TDA151 P SPEAKER X 2002 AIN L AN 8 AVL LOG B AHD A DATA INPUT DELI OVS OHS DEN 03 1 5V S Video Y CU n FN 21400 Y Dp Dn BA AIN GIN lt E ACB SELA 5V SUPPLY XP1 08 5602 n IF DFCOUFR Des Decoder IC TWD TV CC N ol 11003 gt gt pl15v339 5 5 274 2 gt TASH sem DEA gt 27 ys SUPP lt gt 5V1 SUPPL uh Ty O PAIN GAINABAIN SIF CONB Y C d EE Fse BUT AN SYNC AHEYNE Ay NV 1003 5301 18 VLBA SUPPLY IME 47 202 3 3 3VADC SUPPLY SUPPLY 1100 gt TCBDAESF RSTn 518 L QUTPUT WV AS LON AUDIO DECODER N2000 09 015 y yy ES 4 lt MABASI Hay 15802 N N 5 REB 395433 Mrs LAS 13 3 SUPPLY 3
14. GND 470uF 16V T 0 2245 2749 0810 2 5820 c L817 N R868 V GND 4 10K eee FB GND i 1 B POWERONC P 1 4 N606 la YNCOUT Reeo 1k NOOO 0662 0 1uF F 1 11 2 id hie SYNCOUT VDD H R663 33 5 0 B Y_183 24 HSYNCOUT ru sour C667 0 1uF 16V VSYNCOUT Eo M Wwe 2 R665 R668 56K gt A lt GND V5 De STANDBY C653 1 0659 ur 32 R661 R662 2 V5 pa F ae p 680K gt XS615 70uF 16V 0 1uF V662 680K 5 To IR Board R674 BC847 5V LA 1K 2 _ A U U U U J U J U J J 8 FE IRROVA A GND GND must Red LED 41 510 675 resistor reen LED xi D617 5V 1 93 430 R679 V606 L BC847 5 R678 10K Yi IS L 1 E DNN ai BC847 2 BZV55 B 3V0 md N804A 1 6678 v12 1K 8643 v5 0 22uF C878 1 _ 0677 _ lt 1 0616 cci e 10uF 47uF 16V T 4 e cl S STZ5 1 GPSOUT H PIC12F629 IR RCVR 100 R642 POWERDOWN 190 8554 IS 607 100 R655 a in L v Pw1306 56 STANDBYn 80847 5 4 2 1 12V RKD L815 _1_C880 27
15. 0 AAA XT gt AHSYNC r UA R602 75 lt lt N NI INPUT SWO 1611 74 14 50 INPUT SW1 a 4 2 1 gt i a bos a 74HC14 SO 1_C614 0627 o 1uF 10UF 16V 5 0603 CToTTFTTTTTTTITTT E N603 ol 0 10 T 0UF 16V 5 PI5V330 11 ZJ SIA 52 40_OHM 100MHz 40_OHM 100MHz S1B 602 528 40_OHM 100MHz 40_OHM 100MHz sic 1604 1605 520 IN UJ 5601 8 40_OHM 100MHz 40_OHM 100MHz wnt 1 DB15HD RGB SELO A de M M 4 5 a lt RIN GINBIN 5VB L608 C608 FB 5 10UF 16V 5 Y D610 D611 R622 4 lt 4 BAV99L _ BAV99L _ 2 2 b 1 A R6102 8611 3 _3 601 el DS 5 gt 5 gt gt 0 Y 2 1 qi K 2 gt 604 2 PK 2623 24LC21A 10K 2 510 UJ col A iod V602 80847 lt 2 625 C gt 40 OHMQ100MHz OR626 1615 FROM XP301 cb gt 10 K R614 2126610 o e gt 75 12pF 330
16. I 14 x 4 Xi 3j T gt i DCLK 888 2 5 DRO 7 0 555 68 ooo uu 5225 1 DGO 7 0 TXO _ _0576 0577 C578 C579 C580 0581 C575 0572 P4 00m usus 15 a uF NC D 1uF NC b tuF D 1uF NC b tuF NCO tuF NC D tuF NC D tuF NC RUN 46 517 2 1 IXQUT2 08900385 lt 42 2 DBO 7 0 TXOUT2F 55 2 IXQUIS TXOUTS iq TXCOUT 52 1 TXIN17 DHS 551 24 DVS TXIN25 DE 30 TxiN26 RAL NC TXIN23 FIN A0 N rA E JBE 0002 022222 E PWFDN ZZZZZ00000 oooo0o00o00a amp tool 09 cal col I ea Lo 15154044024 SH 509 09 LITE ELI PWDN l LVDS Transmitters m 899 0XXX 00 Thursday September 16 2004 B heet 6 of 11 gt pcE z 0 gt ES V509 5 1K BC847 Display Output VPENAL 1502 FB Le XS504 12
17. 603 Nn 10 L 8 4 50 27 120 204 5 e 34302 2a a I 423 e 2 A RESETN gu E 2268 275 803 gto EJ ss 2 En 2 Lan 1 TE Us 5 gt 6603 FCEN 3 2 215 E IR 1410 C620 GNI 60 5 3P302 ROMEN 150 1409 Leo RESETN q O o Y us ws L 6683 STB mi 170 cto 130 20b SE 4 045 EJ 531 7 9x3 EE 10 n 4o 2401 6820 C862 812 0869 7 2 JS 5363 10 Y 18 EN 574 iB BKLON 5304 en C C588 1503 Xu 6868 72 20 20 10 EE 1503 _ 502 C nss3 2 J Ea 09 508 A 1801 02 SH REO y m hie 5252 2 225166 35007335 R643 A O Ox 5 01 28 q 5512 REU 03 6860 6861 V si TO INVERTER 6590 5592 5 6853 C851 F801 5A 5 5 mm KLC TM2018 Digital Board Toplayer KLC TM2018 Digital Board Bottom layer
18. DGE 7 0 ee ioun Z Ei GQ TXOUTO gt 48 4n TXE2P 22 22 TXE2M 45 _ EST TXETM IXQUI 26 Eim 115 16 516 TXOUT1 17 18 19 be 41__ TXE2 LS pec 08900385 22 2 DBE 7 0 TXOUT2 2 i 2 az E 638 __ 2 5 L TXOOP BEEN 39 _ 31 IXCOUT L4 TXECKm xm de 5 1 TXCOUT 16 2 DHS E lt 25 DCLK poems gl ae 588 828888 59 PWRDN 2222200000 V33 L 9056000008 L 0559 V33 voo V33 VNN Q 8545220 T 100pF NC L513 FB NC 1515 FB PWDN a LGDON 0552 2 212655 _ 6553 C555 2126556 2126557 1 C558 io PI sr nn m a nm E gt AA T 4 0uF NC T N 0 1uF NC T NC T o tur N 0 1uF NC DS90C383AMTD 56SSOP Package V33 1004 2 3
19. Test after supply 220V Intention of test Supply AC 220V step by step then the circuit start to work Test the voltage of output Short output test The Peak Peak value yawp test of the power output The test of turning on and off TV Checking method Test the empty loading output of power supply Fix the power supply board on Test clamp unconnecting the loadthen input 220VAC and turn on power switch to test the output voltage by multimeter Number Ietm Test point Empty loading Standard 1 V12 voltage Output of 0 0A 12 0V 0 48 Listen if there is deviant noise at the same time 4 2 10 Test the rated load output voltage Turn off the power then connecting the load on output and turn on the power to test the output voltage by multimeter Rated load output voltage current are as follows Number Current standard Voltage standard 1 12 5 rated load 5A 12 0V 0 48 Listen if there is deviant noise at the same time 4 2 11 Test of V12s shorting output protect Make the output shorted in 3 seconds the output voltage should be OV after relieving the short turn off the power and discharge the input filter capacitor C904 10 seconds by discharge resistance cement resistance 2 5W510 then supply the power again using multimeter to test the output of power The output voltage should come back normally 12 0V 0 48 4 2 12 The test of powers peak peak value yawp output Under
20. 10 TXD sm 19 8665 33 4 GND m 1 PW GND 2 GND Input Buffer 18 9 IRRCVR GND 40 8 PANEL LED2 GRE GND R558 470 5615 C695 HEADER 6 R555 LCD 4 5W 12V Backlight Requirement 470 L824 18 8815 c N817 Q ae LM1117 3 3 5 VPENAL 815 12 i 1 N B S mg 1801 O NC 390K i 1 8 1 1206 tor 5 z is E EN s LM1117 1 8 3 5 3 6 180 F801 54 C820 818 COME 811 BI 5816 4 GND FB 5 IN812 5 D2006 4A 470uF 16V T D 22uF 1117 3 3 2 75W 8 12 MP1410ES R870 222 RES Sleep Mode 200mW 8 12V max L802 10K 1 Nov VETE gt L827 E d R871 9 15uH A 4 1 5K 700ma max 2 5817 D2006 4A D808 0806 vcc 1825 22uF_6V T 0 1uF FM5820 lt C813 C810 112 1000uF 16V T 0 22uF Title MISC Size Number Revision Orcad B Date 29 Mar 2005 Sheet of File EAEE LC TM 15 80P Vis Ff 1 11 5 Drawn By 6 PVI R422 100_NS OPEN R431 Pics DCLK 3 3K W33 V33 V33 V33 R DCLKn R417 33 DVS 3 9nF 137 R416 33 DHS R418 R419 R41533 DEN C474 33 33 4 39nF 1 DREO DRE2 RAIN 47nF C451 RESETn DRE3 DRE4 C455 IGREEN RXD
21. GND HE e AT NL 504 _ zer JA INR 2039 Z 20 8 E lt HA CHA GNB 177 AFG Dp 99 IU AM Ns wet 61093 Ni 25927005 1662 15 S amp T R100 R1000 AS th A NC 4 ti w A 2 0 x 2 2 0 V E mma YS lt mm0 34 gt KLC TM1508 invertereP N 34002054 Emax CUSTOMER Specification Part Name LCD PANEL DC TO AC INVERTER 1 of 3 Model No PLCD0317403 REV 0 APR 24 2003 DIMENSION MEASURE UNIT mm Tolerance 0 15mm Emax CUSTOMER Specification Part Name LCD PANEL DC TO AC INVERTER 2 of 3 Model No PLCD0317403 REV 0 APR 24 2003 TEST CIRCUIT CUSTOMER Specification Emax Part Name LCD PANEL DC TO AC INVERTER 3 of 3 Model PLCD0317403 0 APR 24 2003 LAYOUT DRAWING
22. BA9741 or FP1451 or TL1451 or 17415 ROHM FEELING TLAIMT RON 1151 6176 PLCD1717408 E112804 S E177794 CHIAN YOU HANT GIST YUMMON TONG JIANG CENTURY WAN ZHENG EISO TUNG E168218 S E201363 E189010 M E211670 E162061 S E162886 EST0015 EPC 19 EMAX MLTG184 104 0 188mT GARWARE TORAY E110983 M E86511 M EVA 10 13 2mm GARWARE TORAY KLC TM1508 P N 34002054 PLCD0317403 pl Q7 EDI0005 3 0A 125V NDS9435A Jo 150uF 25Y 61 19 0015 22P 3KV 5 02 55 1 W20R 6PIN 90 Q SST2907A CN3 Rg NC EMO2B BHSS 1 TB MR K7002 R48 910R C2 104 50 D7 RLZ13V 015 SST2222A 104 50 Ul 1451 R415 1K C27 C6 D12 D13 L 105 16 2 IN4148 IN2148 R16 20K 22uF 16V 4 12 7 7 08 EDI0005 NDS9435A DTC 2 0UT OUT 2 DTC c2 8510015 22P 3KV 5 02 55 1 8 C4 154 250V CNS 02 55 1 C18 104 50V T WAY R50 910R Q 18 RLZ13V 1N4148 R551M C33 104 50V C37 C36 104 50 102 50V R42 5 1K R45 To 105 16V CIO iso D14 DIS 105 16 1 154148 IN4148 PLCDO317403 L610 1 771 lt e 2018 Digital E ii 1N4148 5 i 9 Schematic 10 N602 74HC4052D 11 VGA SOG NO USED 74HC14 SO R601 75 g cA es a TP2 HS N629E 3
23. BEEN 1 A o 66 a y 7 8 NI 11 11 12 10 O 13 14 ST gt J 17 18 A13 pjoo J a 21 22 19 m 29 J 27 28 1A21 u 29 30 E ROMWEn I R35933K 31 30 1 1 202 S a 1 D5 39 40 012 04 p u A D3 45 46 010 2 p D9 9 50 01 o m 53 54 0 55 56 R Title GND lt MEMORY SCH HEADER 30X2 Size Number Revision Orcad B Date 29 Mar 2005 Sheet of File EAEE LC TM 580 PV Fil Ki Memory 1 SCPDrawn By 1 2 3 5 6 4 6 133 ya V33 vwa va 133 0501 R50 R562 R561 lt R554 lt 566 lt R567 lt 569 lt R574 R568 lt 563 lt 564 470 470 10K 10K 10K 10K 10K 10K 10K 10K N RP501 1 33x4 5 3 0 2 10 Ol 2 PF Y 1 3 il n g 5 j j Th jji 225 4 ss 6b A 1 08 3 5 B 04 7 AAA AAA AAA e 6 05 2 I jl AAA AAA AAA El ws 7 15 9 AAA AAA AA AAA AAA 6 8 i gt 33 7 RP502
24. LED D2006 03A HEC BOARD 35007418 KLC TM2018 POWER Board 911 400 470 0904 Schematic MBR20100 914 gt C917 16V 1000u 50Vac 0 1u 0906 1 4700 R902 2W 47k A C904 C905 400V 150u 400V 22n D905 16V 1000u MBR20100 T901 L27_V12 C916 R903 C912 16V 1000u 2W 100 A 1kV 390p C908 R901 IN 50V 47u C913 5 NTC 50Vac 0 1u C920 C902 C903 VD901 400Vac 470p 400 470 400 470 1 2W 18V R908 R907 J904 A 1 4W 100 1 4W 470 5 1 2W 100K L901 C909 D901 LOE F112 50V 1u 1N4007 HV A N901 R909 V901 5 ICE3DS01G D 1 4W 27 SPP7N60C3 C901 250Vac 0 22u C910 50V 0 47u 915 910 R911 1 4W 1 5k 1 4W 1 5k 1 4W 1 5k C919 50V 1000p R914 1 4W 10k F901 2A 250Vac R905 R906 2W 0 68 2W 0 68 R912 C918 1 4W 4 7k 50V 0 22u R913 1 4W 3k itle lt Title gt power 35007445 Size Document Number A4 lt Doc gt Date Tuesday March 08 2005 Sheet KLC TM2018 Panel Convert Board Schematic HEAD ER18X2 B7 86 BS B4 83 82 Bi 80 HEADER 50X1 itle lt Title gt screen connect 35007495 Docum entNumber R ev lt Doc gt lt ReyCode gt Date Monda May 31 2004 Bh 1 of 1 vec vec KLC TM2018 Panel Convert Board Schematic lt Title gt screen connect 35008225 Document Number Wedne
25. PHILIPS LQFP100 N301 PW130 10Q PIXELWOR 208PQFP N404 KS Op PHILIPS _____________ 5 46 MICRONAS PMQFP64 2000 1 Romm Net 11 Op 8505 TSSOP56 02 1 14 6000 000 1 IC list KLC TM2018 T TDA1517 PHILIPS SIL9MPF N2001 24LC16B SN MICROCHIP SOIC 8 N306 1 AT24C16AN 10812 7 1051 2 7 ATMEL HR A 74LVC541APW PHILIPS TSSOP 20 N508 PIC12F629 MICROCHIP SOIC 8 N803 74LVC273A PHILIPS TSSOP 20 N509 EE te 70EC AMD AMD TSOP 48 N305 AM29LV800BB 90EI AMD 90EI AMD AMD 1117 1 1117 serial 507223 13 12 1117 3 3V 1117 serial SOT223 810 811 MP1410ES LF SOIC 8 MPS MPS SOIC 8 1815 N801 TB1274AF TOSHIBA QFP48 10 N1003 1 14 0 8 10 SOP16 P 1 TC90A69F TOSHIBA 300 1 27 N1004 TDA9885T PHILIPS 024 1006 MSP3463G MICRONAS PMQFP64 N2000 74HC4052D PHILIPS SO16 602 PW1306 PIXELWOR 208PQFP N407 m KS 1 FAIRCHILD TSSOP16 N603 2 braco osome _ Esbso f j PO8 i7B Sharp 02 1 4312 FAIRCHILD 03 1 6000 000 V Pb Ch PURT AUDIO L R X5506 EARPHONE LU Meg DL 51 SUPPLY
26. 10 Press factory menu button to display factory menu on TV and select TB1274 press PROG button to select the 449885 AGC item of sub menu press volume button to adjust the value until the snows are disappear The value after adjusting is about 12 16 and the tuner voltage of first pin is about 2 0 0 2V 4 5 White calibration adjustment 4 5 1 Receive black or white signal under AV or PC mode adjusting brightness and contrast to set the brightness to 5 Nit in dark area and 90 Nit in bright area 4 5 2 Adjust white balance Enter factory menu select cal Menu and swap color temp item to user Adjust Red 0 255 Green 0 255 Blue 0 255 4 5 3 Adjust black balance Enter factory menu and select TB1274 Menu Adjust Red offset 0 127 Blue offset 0 127 4 5 4 Adjusting chromaticity coordinates of black and white to fit the requirement X 0 304 0 325 or plug automatic calibration system to adjust white calibration automatically Trouble Shooting a IC list KLC TM1508 ERE TDA1517P PHILIPS HDIP18 N2001 24LC16B SN MICROCHIP 501 8 N309 1 AT24C16AN 10S1 2 7 6AN 10SI 2 7 ATMEL esum 74LVC541APW PHILIPS TSSOP 20 N514 1 74LVC32A D PHILIPS SO 14 N608 E 70EC AMD AMD TSOP 48 N307 MX26LV800BTC 55 MX26LV800BTC 55 HEA 1117 1 A 1117 serial SOT223 10 811 1117 3 3V 1117 serial SOT223 812 817 MP1410ES LF SOIC 8 MPS MPS SOIC 8 N815 SAA7114H
27. 3 4 5 6 7 8 130mm 227 di aN va Y HOLE SIZE 5mm KLC TM1508 L302 CIC 11 XS302 R308 R309 2311 R312 Hj 4 4 LAEJEH LLE 15 C311 C322 Digital Board Top layer 5 2 8504 40 DEN DHS 34 28 22 16 10 e 3 09 C334 L306 r1 1 Os 582407 489408 4 ol OO OS A 1 RP406 RP408 RP410 100 90 0 70 San Dil SL ATL 26090086 N O O nl A A XS309 0 FCEN GND NO 0 lt 10 gt NO 41 gl 1 hi 1 STE O Io 3 0 EI 0 x AUX5U 2 D o M 6 LO a 618N N ND NO 10 10 1H91d8 KLC TM1508 Digital Board Bottom layer NON UPENAL 00 z 6202020009 OOO 6269 EIEI 82484 7503 2983 6565 2626 11 Corse N605 sar LIS aay 1 12 oj JL 115 R636 r1 5 0601 Ces 3 3URDC J R665 R555 5855 8863 663 0501 R563 E 85025 E _ C381 Jese oso E ss m LJ Bm 8 0Xc S E LIS R579 C563 0 aN ES 8 076 8 0X 22 EJ 2p CO 584 1 12000
28. 9 XS1007 CONNECTOR 7 XSI AV2 XSI AV2 XS1006 AVI Video Input Port XS1006 AVI 006 006 C1071 10uF 10V TV_CVBS_OUT TV_CVBS_OUT 11016 100uH 1062 470uF 10V V1006 BC847 5V2 11208 1000H CVBS OUT COMB Y TV VS COMB 5V CD svzcp 1061 6 8K 70 S PRIOR 2 7K TV HS 5V2CD y 1011 33008 SCL SDA L1009 5V2 CD 100uH 1061 100 1064 0 01uF R1039 C1045 0 luF NS DEC_HS C1065 220uF 10V 10k C1036 10uF 16V C1046 47uF 10V R1062 R1063 0 022uF CVBS Y 2 0 0luF SVIDEO C3 OluF _ CVBS Y 3 0 luF CVBS Y_1 R1040 3 9K 1041 1049 2 2uF 50V C1050 0 luF 100 sN Cb 5 FSC OUT TB1274AF Z1002 16 200MHZ C1052 8 10 105 0 01uF Blues 10 100 R1066 100 TV Y OUT C1068 4 10 R1041 27K 1042 0 0luF E C1043 pee 0 47 50 R1053 TEXT_FS C1054 0 luF TEXT R C1055 CAER 0 luF TEXT G C1056 CA 0 luF TEXT B TEXTE 11010 1000H CD C1053 47uF 10V C1060 0 SCARTR y C1069 0 luF 1 1070 AAA 0 11 SCART SCART R1069 0 TV Cr TV Y 810674 8106881070 470 470 lt 470 ixelw ork s 4 2205 World Trade Plaza Futian District Phone 86 755 83
29. CON4 FUSE2 5V1 SAW SW A R1100 24K 1 16 R1101 1K 1 16W NC R1007 220 NC SERI C1158 5 ATUE L6V C1159 47uF 16V C1161 C1820 70uF_16V_T 24K 1 16W 1 16W C1021 10000p R1106 IF 0 MP1410ES D11 R1872 72001 10nF 390p 10 M3953M 02 858 72002 M9370D 1812 R2028 IK 2212 70 RL 330 2000 4 0MHZ R1875 10K 196 TV SIE N N1006 TDA9886 2230 47 16 gt IR2034 100K OSVI R2035 12k R2030 5 2K Q 2223 R2029 10nF 22K 02200 ra ATuF 16V C2224 2003 2231 NY ATuF 16V BC847 0 1uF O 5V1 3 3V 1 R2037 220 C805 C807 CVBS OUT 0 1uF 100uF_6V_T 5 1 2 5 C805 C807 11802 100uF_6V_T 10uH L1827 15uH 5v2 L1825 D1808 C1809 1810 TO TDA1517 1000uF_16V_ 0 22uF 5820 i lt al 7 B Pixelworks Shenzhen Office Tis 1 Audio Amp lifier A2205 World Trade Plaza Shennan Road Pi k Size B Number 00220021115 Revision incen even Date 9 Mar 2005 Time 16 46 05 Sheet 2of 8 M Huang File Tuner sch 1 2 3 4 5 6 XS1005 CONNECTOR
30. OPTIONAL FOR 3 3V DRIVE PANEL 1 Cal 0 IuF o AUXSV OPTIONAL FOR 12V DRIVE PANEL 1 V33isthe 33V power supply for PW113 Title DISPLAY SCH Size Number Revision OrcadB Date 1 2003 Sheet oF 3 4 5 6 KLC TM1508 Analog Board schematic circuit diagram 1005 01008 p C 1 22u 16V C1003 01 L1005 81033 1 TADJ N1010 VIF C20 T 18 432MHz 72001
31. creates may create shock fire or other hazards Before returning the receiver to the user perform the following safety checks Inspect all lead dress to make certain that leads are not pinched that hardware is not lodged between the chassis and other metal parts in the receiver 2 Replace all protective devices such as non metallic control knobs insulating fish papers cabinet backs adjustment and compartment covers of shields isolation resistor capacitor networks mechanical insulators etc 3 To be sure that not shock hazard exists a check for the presence of leakage current should be made at each exposed metal part having a return path to the chassis antenna cabinet metal screw heads knobs and or shafts escutcheon etc in the following manner Plug the AC line cord directly into a 110V 220V 240V AC receptacle Do not use an Isolation Transformer during these checks All checks must be repeated with the AC line cord plug connection reversed If necessary a non polarized adapter plug must be used only for the purpose of completing these checks PLEASE READ BEFORE ATTEMPTING SERVICE Use an Isolation Transformer when performing any service on this chassis Never disconnect any leads while receiver is in operation Disconnect all power before attempting any repairs Do not short any position of the circuit while the power is on For safety reasons replace components any with identical replacement parts SEE
32. 00p U 2 2uH 2035 3 3uF C2001 a 100p C2036 12007 52008 58200982010 cc 104 16 47K 47K 47K 47K 100p 100p 100p 100p A 9 9 Ss AF e SF e 4 e NA N2000 Vv ATuF 10V 55 5V2 AU 10u 10V L2018 C2010 0 01u 31 m 2007 2 2030 4TuF 10V C2011 O 01u 30 E 0 luF 2012 10 01 29 R2054 1K 62031 I0U 16V 15 10U 16V 72003 2013 18 432 12 58 2022 2015 1K 59 R2016 1K 60 YY C2021 61 62 19 2020 1000 5V2 AUO 63 18 0 R2012 1K C2053 64 17 SP3420G R2106 100 R2105 100 R2013 aids C2018 2017 1u 10V 47uF 10V R2041 10k R2044 Title 2 2k Size Number Revision B x Date 9 Mar 2005 Sheet of File YANA JE Wun ner7336sch DDB Drawn By 1 2 3 4 5 6 KEY BOARD 35007419 9611 D2544 44 02006 i SB 3 4 5 4 3 2 vot 8 02507 05 0081 R680 02006 085 LEDI R n gt 00 02507 02 R681 1 LEDG GND 3 1 5 1 6W XS684 2 2 90 D2507 02A Hg V681 682 21 RMP6938 W 0 1 10uF 10V STB XS687 3 80 2 LED 1
33. 2 1701 gt TT RXD1 10uF XS802 i 1 1 2 4 3 41 El FROM 1001 5V R839 390 2 41 6858 42 T 3 3nF T SDA 3 C850 180pF SCL 14 T js 46 5__ e MUTE OUT sb 18 R843 5 8842 E A 21 AIN_L 5 R 42 SEES FROM XP3002 1801 R878 22 1 YO NA 0060 _ gt AA FB ka V18A V18 1 813 1 812 LM1117MPX 1 8V 0853 1 0859 C879 LM1117MPX 1 8V S T lo m 70uF 16V 220 10uF i 5 5V cl 6 5V 8 zm gt gt are GND GND TAH A 1 2 6877 16869 C868 1 0874 _1_ 863 1 epe 0 1uF h7uF 16 0 1uF 0 1uF 0 1uF 1 ok EN v33 810 811 LM1117MPX 3 3V LM1117MPX 3 3V pt pl sv z Y lt 2 gt gt gt 6 p _ 0875 1 0875 1 C876 C860 C861 1 0 1uF 17 Tour our o tur 7uE 16 Keypad input 3 3V8 1 8V Reg Document 900 0 00 Tuesday October 26 2004 Sheet 5 UJ MEME 5 _____ lt 3 2 1 lla c 533 088 VPANEL 952 1514 FB NC 5506 NC aes 1 E 0573 TS 2120574 nen 2 E 100UF 16V 5INC 0 1uF NC eer
34. 28 C454 1806 TXD DGEJO 7 BAIN 47nF C460 BLUE 33x4 DGEO SDA AVSYNC SCL 0662 LCDON AHSYNC BKLON DGE4 LED1 0686 PWMOUT leo Port V656 0 7 R439 T 4 V656 0 29 63 V656 3 60 V656 4 59 27 V656 5 58 169 170 R444 1 5M XTAL14 31818 7402 X607 X608 RP415 118 RP414 VCLK TE 72 m 2 117 33 4 C441 28 22 114 RP413 VISA 4 334 40ma max 113 112 111 V18 V18 V18 V18 V18 V18 1422 110 1 PVDD 109 RP412 12211 i C445 C471 C476 C487 C480 C485 100 0 198 OluF 0 1uF Sleep Mode 9ma max uF 99 3 3VADC V33 3 3VDVI G 0 40ma RP411 Sa 3 3VADC 3 3VADC 3 3VADC 3 3VADC 3 3VADC 3 3VADC 350ma max 90ma 0 3 O C459 AE luF O luF O luF 0 1uF 0 luF 2 esi o SE 21 gt N 5 imiia l a oo 90 Cl 0 luF 3 3VADC 3 3VADC EET 12 Title 0 luF 0 luF PW135 SCH Size Number Revision Orcad B Date 29 Mar 2005 Sheet of File E EE LC TM 15 80PVin 135 1 SCHDrawn 1 2 3 4 5 6
35. 65 06 gt 5 M 7 22 HA am 12 SUPPLY 20058011 E 7 58 SUPPLY INVERTER From POWER BOARD XS94P g 03 PIC 2F 7 BTANDBYn rf Hav Ned gt 94351 gt MP1A10 EONERON DIGITAL 2018 SIGNAL PROCESSING 25 ANALOG BOARD gt 8 UL1 PIF EARPHONE C TVenag DL3 TUNER IF SIF AUDIO AL 1547 KEY LO TMe008 OL5 LO TN200 X MP1410 taav EY TA 0 1 2008 012 1 POWER Ia KEY FLASH 9 80067 LC TMEQUB OL 2 4 AUDIO DECODER I0 MSP34636 RI LI AC 110 220V MAIN IC PW430 LE TM2008 DL 2 3 DIGITAL BUARD GB DATA INPUT DELK DVS DHS DEN 656 b Hs Vs gt DECODER gt 1114 2008 0 2 2 DRT PANEL CONTROL LC TM2008 OL 2 3 POWER LEDON 10 1 2018 112 8 LCD PANEL
36. 679633 Fax 86 755 83690623 setete Shenzhen P R China 518033 uet Title Number Revision File Brawn Date Color Decoder sch Kong 9 Mar 2005 Printed Date Time Eng Appr Sheet 3 of 8 16 46 06 1 2 3 4 5 6 5V2 VCHIP L1019 5V2 VCHIP Q C1144 0 luF 1145 ATuF 10V N1008 786229 TV VS R1109 100 VS2 1116 22 TV HS RIIIQ 100 HS2 SDA RII 100 SDA2 SCL R1118 100 SCL2 il 30 8 7 6 3 4 B 2 Z1004 C T1153 0 lt R1128 12 2 N1010 5 N1011 22K 1154 lt R1129 24LC21A LT1117 3 3V 18pF 10K C1160 Ens au 1159 NS O luF T 0 1uF DE Y 1156 10uF 16V ava Pixelworks Shenzhen Office 1 Video Overlay A2205 World Trade Plaza Shennan Road Pi 1 Size Number 00220021115 Revision Shenzhen DECOR s Date 9 Mar 2005 Time 16 46 06 Sheet 708 8 M Huang File Video Overlay sch 1 2 3 4 5 6 il 2 3 4 5 6 R2000 R2001 C2061 0 47 wah C2062 0 471 I yum Ce di 2063 0 47u R2004 6206 0 47u wx 5V2 AU C2065 R2006 82011 02000 02029 1 2008 47 47 1
37. Elenberg 1540 Elenberg 2065 LCD SERVICE MANUAL Model list KLC TM1508 KLC TM2018 KONKA GROUP CO LTD Digital Flat Display Division IMPORTANT SERVICE SAFETY INFORMATION Operating the receiver outside of its cabinet or with its back removed involves a shock hazard Work on these models should only be performed by those who are thoroughly familiar with precautions necessary when working on high voltage equipment Exercise care when servicing this chassis with power applied if carelessly contacted can cause serious shock or result in damage to the chassis Maintain interconnecting ground lead connections between chassis escutcheon picture tube dag and tuner when operating chassis When it is necessary to make measurements or tests with AC power applied to the receiver chassis an Isolation Transformer must be used as a safety precaution and to prevent possible damage to transistors The Isolation Transformer should be connected between the TV line cord plug and the AC power outlet It is important to maintain specified values of all components and anywhere else in the received that could cause rise in operating supply voltages No changes should be made to the original design of the receiver Components shown in the shaded areas on the schematic diagram and or identified by in the replacement parts list should be replaced only with exact factory recommended replacement parts The use of unauthorized substitute parts man
38. GB6 4 5 47 RN p DGB7 AA PAA pur qur u qoe ur qu V33 PQFP208 LV1 90ma max 3 3VADC3 3VADC3 3VADC3 3VADC3 3VADC 3 3VADC 1 210428 0429 0430 0431 0432 0493 E a 0 1uF ol 10434 0435 0436 0437 C438 32 33 36 39 41 22 133 ES GENE lol 11 14 44 lotur To tur To tur To tur aaa aaa 8 5 e 411111 lola L l excl 2E T1 SB e pl AAA LL 0 tuF O tuF lt Q c tO O ONMO gt TAO KN 1888858558558 9900008 B B 555 655 55 V33 V33 V33 V33 V33 V33 V33 2 Q DBA gt gt gt 2222222222 666608660 CODD 3 5 gt gt gt O00 gt gt 210439 10440 0441 0442 0443 0444 0445 a m E lt lt s DE ET N407DPW1306 Power and Ground 0 tuF 0 10 0 tuF 0 tuF 0 1uF 0 tuF 0 1uF e 8 4886 soos ger 0 0 ene 6 60 8888338 rare gt gt DOO 222222222222 00000090 00000900 d 222 zzz 66 3 3VADC3 3VADC 000000000000 00600000 Q 0000 0 000 000 4 lt lt lt lt lt lt lt lt lt lt lt lt gt gt gt gt gt gt gt gt gt gt gt gt gt ana lt lt
39. L612 V33 4 40 100 5 FB 1614 28652 0628 0615 gt 10uF 2 q 25 1603 _ 061104 C624 0 1uF BC847 R616 100165 _ 2 R653 lt 4 720K k en 40 OHMQ 100MHz Cr PR 1518 KONKA digital 35007335 AV TV SCART 8617 L itle 2 RGB H V SYNC amp EDID 1 7 1002 Pocument 00 Date da ptember 16 200 2 of 11 Shee INID Ko ro J PORRA E zi lt PTY open TEC ROMOEr__ v 1 3 5 1 R OMWE N305 ROMWEK R362 R363 lt 225 8361 0 D 15 0 V33 R364 T 0 C367 0 tuF 2 4p W301 NMI Pushbutton 5 1 C gt m Flash 8M TSOP48 P R314 JP302 C360 10K JP303 HDR_2X2 0 tuF HDR_2X2 V33 2 ob 9 j 3 ab 1 v33 8316 2 3 3K SW302 1 Reset Pushbutton 0361 19 1 _ gt 1808 V33 V33 0363 0390 0 1uF R349 1 100UF TCK RRN AE Par SSSLVSSSERS BERRSBBRBY ARIAS TDI 015 2 DU Mermory Promice NMI Reset pee pocument Num 00 0XXX 00 Date Thursday September 16 2004 Sheet 3
40. LED is green the power supply for signal board Test the Number 5 6 7 8 pin of N802 voltage is 12V N801 supply 5V power Test the anode of 853 810 N811 supply 3 3V Test the No 2 812 N813 supply 1 8V Test the No 2 pin for main N407 N305 4 3 4 Digital signal part KLC TM2018 start order Turn on the N407 RESET and Other IC electrify Turn on back Successful start power IO port initialize reset initialize light lamp and LOGO display 4 3 5 After turning on the power if blank screen appears no back light lamp just press POWER button several times blank screen still there 4 3 6 Check if the voltage of every power supply is normal 4 3 7 Check if the crystal oscillator 74 1 14 318MHz oscillate or not and oscilla te frequency is right or not 4 3 8 Back light control signal BKLON of PIN 3 of XS512 has high level above 3 5V or not if not check whether fault soldered or short circuit happened to V507 R559 R560 R561 4 3 9 If back light lamp is on while there is display check N407 s reset circuit and the output of the oscillator to confirm the CPU is working or notIf CPU is working checking the signal channel Signal channel has been divided into two parts general video channel including antenna AV S terminal input Y Cb Cr and HDTV channel Including Y Pb Pr and RGB If no any picture displays or bad code disp lays when switching between these two channels control signal may be wrong
41. PARTS LIST Before alignment warm up the TV for at least 30 minutes When removing a or related component after unfastening or changing a wire be sure to put the wire back in its original position oo Inferior silicon grease can damage IC s and transistors When replacing IC s and transistors use only specified silicon grease Remove all old silicon when applying new silicon 9 Before removing the anode cap discharge eletricity because it contains high voltage System A SPECIFICATION Colour System PAL SECAM Sound System DK BG I M Audio output power 10 THD 1W 2 KLC TM1508 10 THD 2W X 2 KLC TM2018 Antenna Impedance 75 Unbalance Power Consumption 48W KLC TM1508 60W KLC TM2018 Power Supply 100 240 50 60 Adapter KLC TM1508 DENIA Venta KLC TM1508 AC 100 240V 50 60Hz KLC TM2018 item Port list KLC TM1508 RF cable Video and Audio S Video Headphone audio output VGA gt gt DC 12V input item Port list KLC TM2018 RF cable Y pb CbPr Cr Audio2 Y Pr Cr and PC Audio input VGA Video and Audiol S Video Headphone audio output 001 4 0 Bu AC Power input 1 Preface 1 1 Applicable area This test manual is applicable for KLC TM1508 1 2 Test notes 1 2 1 Please follow the point
42. Please use oscilloscope to check test point DEN DVS DHS and DCLK from end to front to find whether waveform displayed on the oscilloscope or not if not check if fault solder or short circuit happ ened If just picture color has problem sw itch INPUT to RGB inp ut then input R G B mon ochrome signal separately from computer to find the problem col ors Check data line of XS504 with oscilloscope according to the above form to find it s problem chi 1 27 67MH2 30 7 H 2004 14 07 32 Ref2 1 30 7 H 2004 14 09 47 Ref3 30 7 H 2004 14 13 07 DCLK Waveform chi 1 32 18 2 1 a spe 3 DHS j 30 7 H 2004 14 07 32 Al Ref2 30 7 H 2004 14 09 47 A Ref3 1 30 7 H 2004 1 14 13 07 A Reta M 20 045 chi 2 08 V 1 d 92 00004 Teki d E RE 13 32 18 2 20 0345 chi F osomv uero 00000 6 i DHS Waveform Chi 53 59 88 Hz 20 0 5 7 960mv DVS Waveform 4 3 10 If only one channel has problemcheck the signal of this channel normal or not AV1 AV2 S Video Y Cb Cr are inputted from analog signal board to digital signal board RGB Y Pb Pr digital signal board are input N407 by N603 Using oscilloscope to check ICN1003 s output signal 5 5 1 357 Spin of XP1005 to verify the waveform is right or not If not check
43. R30 R31 R51 R 0603 7 YAGEO SYNTON TECH 52 R55 R56 11 OHMS TA I YAGEO S YNTON TECH CUSTOMER Specification Part Name LCD PANEL DC TO AC INVERTER Model No PLCD0317403 24 2003 R32 R33 1 2K 0805 YAGEO SYNTON TECH LIKET EVER OHMS TA 1 R41 R42 5 1K 0603 1 YAGEO SYNTON TECH LIKET EVER OHMS TA 1 R25 R27 30K 0603 YAGEO SYNTON TECH LIKET EVER OHMS TA 1 R54 R58 47K 0603 YAGEO SYNTON TECH LIKET EVER OHMS TA 1 R40 R46 36K 0603 1 YAGEO S YNTON TECH LIKET EVER 1 R53 R57 5 1 0603 YAGEO S YNTON TECH LIKET EVER OHMS TA 1 R14 10K 0603 1451 or TL1451 or 13K 0603 9741 or AT1741S YAGEO SYNTON TECH LIKET EVER OHMS TA 1 R47 R48 R49 R50 910 1206 YAGEO S YNTON TECH LIKET EVER OHMS TA 1 Q1 Q2 Q15 Q16 SST2222A ROHM AUK Q3 Q4 Q5 Q6 25 4672 ROHM AUK 07 08 NDS9435A 4403 SDM9435A AP9435M CET AO SMC Advanced Power 09 010 011 SST2907A ROHM AUK Q12 RK7002 ROHM AUK 1112 EDI0005 EMAX L3 L4 0002 4 4 4 2 3 1 2 2 429003 Littelfuse 3216FF 3A Bussmann 1206FA3A SkyGate KE32 Daito BA100 3A SAVE E10480 E19180 N E195833 E59783 E146895 LITTEL BUSSMANN SKY GATE Daito SAVE
44. TEST 5V2 CD R1091 2 KILLER ds 1094 1 1090 11015 15pF 5V2 CD 9 091 6 1009 DONI ME e t 18 Beer 1092 VDD3 TESTOUT C1091 R1094 FSC_OUT 0 014 12 17 C1087 C1088 553 MODEN x O luF 47 10 EM TESTI SCL 1095 33pF SS SCL 12107 1 12v uH 12 2 VSS R XS2003 0 2 CON2 C2100 C2101 opa 4 0 1uF 100uF 16V 5 52002 AULIND INI 2 470uF 16V n 7 C2102 DACM L 82094 15K C2098 0 1u 2 2 ES 470uF 16V 2103 R2008 15K 2 100 16 4 OUT R E 3 3 XS2001 2004 552006 R2090 R2091 PHONE cis R20 6 CONS 5 7 MP MUTEn 8 M STB GND 0 22U 0 22U R2083 12 2 470uF 16 10K 2099 10K 2097 vi2420 a R209 2012 R2089 12 2 INA148 R2100 0 17 10K Y om 20844 820856 R2086 847 10K Z10K 10K 2010 R2080 10K STBO 847 E NY iXelw sS 4 2205 World Trade Plaza Futian District Phone 86 755 83679633 seemetuwe Shenzhen P R China 518033 Fax 86 755 83690623 Y Number Revision Size Title B File COMB FILTER sct Brawn sch Kong 9 Mar 2005 10K Printed Date Time Eng Appr Sheet 4 of 8 16 46 05 1 2 3 4 5 6 2207 20K NC SDA D1101 858 C2005 2210 2211 SCL 100uF 16V XS1001 F1000
45. V p 20 1 ES LM alt e 16V T N 43 DRE 1505 NC 9p MU e n 415 DRE 1 An 12 055 4 22 D GE4 D GE2 Oren 8 RA gt 43 DBE 2 25 DBEO LC DON i 27 a 8 847 29 30 N Ap DEN pvs gt As DHS gt 47uF 16V header18X2 L504 FB dl O VPENAL J owe x 5V x 207 0 gt DGO 7 0 L_ gt R561 DRO 7 0 _ gt R559 10K 10K R562 P wmouTtL_ gt NG ob gt 27 28 P 25 q LCD Control Output 24 TO INVERTER d 2 an b R564 X8512 17 18 4 7K 9 15 16 ON OFF 2 9 10 bp Bright a 3 5 8 1503 FB o BKLON 6 2 i head16X2 l Output Connector Pocument 0 00 Rev Date Thursday September 16 2004 Sheet 7 of 11 KLC TM2018 Analog Boar hemati 5V2 CD 1004 oard Schematic m Gy C1081 C1077 0 014 1 BIAS VBI 28 0 01uF P R1082 1073 EN cour COMBE 1 x 26 847 VDD1 881 gt 25 R1083 COMB_Y TESTI YOUT comb Y 0 EM x 0 01uF R1080 C1084 NC im VRB 0 1uF 5V2 CD YCIN O NA
46. ally KLC TM2018 1 Preface 1 1 Applicable area This test manual is applicable for KLC TM2018 1 2 Test notes 1 2 1 Please follow the pointed test steps and choose the proper test equipment to conduct adjustment otherwise good effect of TV set could not be obtained Pointed bias voltage value should be ensured during test to get satisfied test result 1 2 2 Be sure that you have the static electricity protective glove in before test 2 Test environment 1 Temperature 15 35 C 2 Relative humidity 45 75 3 Air pressure 86 106kPa 3 Test equipment 1 Computer 1 2 Oscilloscope 100MHz 1 3 Multimeter VICTOR VC9801 1 4 DC Voltmeter 1 5 Oscilloscope Tektronix2232 1 6 Cement Resistance 1 7 Test Clamp 1 8 TV signal generator 1 4 item and method 4 1 Power Supply Board 4 1 1 The input and output characteristic test of power 4 1 2 Intention of test Check input and output to find if short circuit 4 2 checking method use Multimeter VICTOR VC9801 of resistor to check Number Item Test Point Standard 1 The resistor of AC AC Input Connector XS901 No short input circuit 2 The resistor of V12 V12 output of connector XS902 No short output circuit 3 The resistor of V12 Between the pins of C908 short assistant power output circuit Please check short circuit point on the PCB board if you find short circuit 4 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4 2 6 4 2 1 4 2 8 4 2 9
47. ed test steps and choose the proper test equipment to conduct adjustment otherwise good effect of TV set could not be obtained Pointed bias voltage value should be ensured during test to get satisfied test result 1 2 2 Be sure that you have the static electricity protective glove in before test 2 Test environment 1 Temperature 15 35 C 2 Relative humidity 45 75 3 Air pressure 86 106kPa 3 Test equipment 1 Computer 1 2 Oscilloscope 100MHz 1 Multimeter VICTOR VC9801 1 DC Voltmeter 1 Oscilloscope _ Tektronix2232 1 Ei 602 TRIAS RTE Tektronix TCP300 TCP312W 14 i 3k Tektronix P6015A 1000 1 14 9 Agilent f 34401A FLUKE 187 189 H oN O 4 The item and method of debugging 4 1 Adjustment manual book of LCD panel Four CCFL inverter Board P N 35007175 4 1 1 Test method 4 1 1 1 While mesureing the inverter we usually connect the high voltage probe to the output but this will change the original path value called load effect Most high voltage probes have capacitacne such as Tektronix 6015 we measure the Four CCFL inverter in order to balance the load effect of two sides we advise using two high voltage probes to measure two side outputs 3P Tektronix 3P Tektronix 6015 6015 5 4 1 1 2 For 1018 project the outputs have the capacitance divider see figure as below w
48. h multimeter to see if the voltage of C1809 s anode is right about 5V or not This is the back end IC s normal power supply tH 12 1110 2005 gy2 5V2 VCHIP N1008TR 1815 L1019 2 281003 1004 8 xpi L 1208 6 2 200 2018 200 d 4 4 2 IF channel AFC adjustment on analog signal board Input 38MHz IF Signal generated from TV signal generator to RF TUNER according IF cable whose one side to 11 pin of RF TUNER and the other to 3 pin of RF TUNER GND IF channel AFC of LC TM2018 has been adjusted automatically by software which may check the power supply of IF IC is normal or not See if the anode voltage of C2224 is 5V or not and check N1006s 21 pin voltage is 2 5 0 2V If not check whether fault soldered or short circuit happened to R2029 R2030 4 4 3 AGC adjustment on analog signal board 4 4 4 Preparation steps 4 4 5 Connect TV board whose IF has been adjusted to Power board and motherboard 4 4 6 Set TV signal generator to 56 channel 855 25MHz apply RF 62dB3Db half color bar signal and input it to ANTENNA INPUT of RF TUNER pups HE 1 1 27 4 47 Adjust steps ALE Pp 4 4 8 Check connections connect well start automatic searching 4 4 9 Press PROG A V button to display the channel you have received on the screen after automatic searching finishing 4 4
49. hen we measure the output voltage we may measure the parallel connection voltage value of the C722 and C730 or C724 and C731 then according to theformula Voutl Vc1 C722 C730 C721 Vout2 Vc2 C724 C731 C723 we may get the output voltage value Vcl Vc2 means the parallel connection voltage value of the C722 and C730 or C724 and C731 At the same time we should pay attention to the followings First observe the output voltage waveform is distort or not Second observe the output waveform frequency is between 40 kHz and 60kHz or not Third disconnecting any output observe the start up voltage start up time is right or not C721 22pF 3kV R714 51K D703 1N4148 C730 4 7nF 2 702 11 os E 19 723 C717 470pF 22pF 3kV R715 51 1 R710 R712 719 2729 1148 300K 2K D704 1144148 C724 C731 4 7nF D705 1 4 1 1 3 Because the actual impedance and theoretical impedance of the LCD panel s 1 amps have a little tolerance we pay more attention to the output current in actual measurement The LCD panel s lamps need constant current source to maintain the brightnesssso we may make a high frequency amperemeter in series with the low voltage output of XS702 XS703 XS704 XS705 then adjust the input voltage equals 12V as long as current meets the requirement of the specification 5 5 6 5mA it can keep the brightness of the lamps 4 1 1 4 Force 0 5V voltage to the input port that i
50. om computer to find the wrong color then use oscilloscope to test XS504 pin to find the wrong data cable following the same order 4 24 If just video channel has problem check N301 signal output VCLK V Hs V Vs TEST POINT control signal DVS DHS DCLK and DEN output from movement compensation N404have waveform or not to find the problem 4 3 IF Channel adjustment 4 3 1 Preparation steps 4 3 1 1 Connect of RF of signal generator PM5518 to Pin 11 of RF TUNER N1000 to Pin 3 of RF TUNER N1000 4 3 1 2 Set TV signal generator PM5518 RF output to the maximum 4 3 1 3 Set signal generator PM5518 RF Output to 38 0MHz and set video output signal of this signal generator to gray scale 4 3 1 4 Connect DC Voltmeter to Pin 8 of N1000 to RF TUNER cabinet 4 3 1 5 Connect oscilloscope probe to Pin 10 of XP6010 to RF TUNER cabinet then set oscilloscope to 50mV div Time div TV H s and set to simultaneously 4 3 1 6 Connection between TV board and TESTER is shown as the following figure 4 Connect to T1 terminal Connect to RF o tuner cabinet Connect to T2 5 P Connect to RF tuner cabinet 9 Connect Pin 11 of RF tuner onnect Pin3 of tuner Figure 4 T 4 3 2 Adjustment steps 4 3 2 1 Plug the power cord 4 3 2 2 Turn T1000 magnetic core with ceramic aligner screwdriver so that reading on DC Voltmeter is 2 5V 0 2V 4 3 2 3 Waveform of T2 on the oscill
51. oscope can be observed as the figure 5 shown 4 4 AGC adjustment 4 4 1 Preparation steps 4 4 1 1 Connect TV board whose IF has been adjusted to Power board and motherboard Do not install TV board into the back cabinet 4 4 1 2 Set signal generator to 56 channel 855 25MHz apply 62dB 3dB half color bar signal and input to ANTENNA INPUT of RF TUNER 4 4 1 3 Connect end of DC Voltmeter to Pin 1 of 1000 of RF TUNER end to Pin 3 of RF TUNER 4 4 2 Adjust steps eform Widt 3 1 2 4 2 2 1 Check if connections connect well start automatic searching 4 2 2 2 Press PROG button to display the channel you have received on the scre en after automatic searching finishing 4 2 2 3 Adjust 1000 with small screwdriver so that DC Voltmeter is within 2 0V 2 5V maximum then reverse 1000 and just make confusional of noise disappear on the picture 4 5 White calibration adjustment 1 Receive black or white signal under AV or PC mode adjusting brightness and contrast to set the brightness to 15Nit in dark area and 90 Nit in bright area 2 Adjust white balance Press MENU button once then press PRE CH five times to enter factory menu select Temp Menu Adjust Red 0 100 Green 0 100 Blue 0 100 3 Adjusting chromaticity coordinates of black and white to fit the requirement X 0 313 Y 0 329 or plug automatic calibration system to adjust white calibration automatic
52. s the third pin of 5701 Confim if it will shut down at OV and start at SV 4 2 Digital signal part KLC TM1508 start order Turn on the N404 RESET and Other IC electrify Turn on back light power 12V IO port initialize reset initialize lamp Successful start 4 2 1 After turning on the power if blank screen appears no back light lamp just press POWER button several times if blank screen still there 4 2 1 1 Check if the voltage of every power supply is normal 4 2 1 2 Check if the crystal oscillator 7402 14 318180MHz Z301 24 576MHz oscillate or not and oscillate frequency is right or not 4 2 1 3 Back light control signal BKLON of PIN 3 of XS514 has high level about 5V or not if not check whether fault soldered or short circuit happened to Q504 R580 R588 4 2 2 If back light lamp lights but no screen displays check N404 reset circuit and crystal oscillator output to make sure CPU is under work if CPU is under work then check signal channel Signal channel is composed of two parts Video channel including antenna AV S terminal input and RGB channel for PC If no picture displays or bad code displays when input either of these two channel signal in turn control signal maybe wrong then use oscilloscope to check waveforms at test points DEN DVS DHS and DCLK are normal or not following the rule from back to front 4 2 3 just picture color has problem then shift input to RGB input and output R G Bmono signal fr
53. sday December 29 2004 Sheet KLC TM2018 Analog Board Toplayer XP1001 C2106 C2103 C2102 C2101 N2001 C2015 Ie v 20 C2022 L 5 52003 52001 1000 XS2002 22003 2007 1004 KLC 2008U ANALOG 21010611012 28 35007336 REV 00 24052 x c1062 O C1013 XS2006 51006 51004 AUDTR Er es 4 140 mm 118 5 mm 92 00501 5mm m 4 5802 8 gt 85 mr E gt 5 NN 2 25 5 56 68 FROR X53007 Rave 5602 Fron 1002 5606 0573 P E O 4 8623 16 1 1612 L8o1 Eset 0614 0615 2644 R645 520 227 2 5 2428 8427 DD Vay 20 10 q XS504 9 ane 2923 Ni Us Raps 01125112 0119 TATUS 602 606 LE at suut q n SEE RCIA a 2 407 10 2528 b 605 20 E 8633 2604 04 SH301 40 S5 7 po
54. the rated load Initialize the oscill oscope 50mV per unit and parallel connect 0 1UF and 10UF capaci tor on probe to see the output ripple is OK not Number Item Test point Standard 1 12 output 12 output 150mV 4 2 13 The fully loading and empty loading experiment of turning on off TV Turn on off TV per 5 times every 5 seconds under the two states Make sure if the ou tput is OK or not 4 2 14 The standard of power aging experiment Every product should aging 8 hours under rated load and 45 C Make sure the output voltage is in regular range 4 3 Digital signal part 4 3 1 Digital signal board power part Digital signal board Power Supply 3 3VADC Supply fof 407 12Vo NBO2 N amp O 1 N810 ERN T Supply fof 407 305 444 306 508 509 N529 inverter supply fof 07 NOQ42 Supply fof N407 943 N503 Supply fof LCD Panel 4 3 2 Verify the state of TV set Please switch the TV on by Power on off switch then verify the LED color of touch button If it is red standby state the back end power has been shut off the voltage of N802 No 5 pin is OV the supply power for IC chip has been shut off except 803 normally working Please test the voltage of D616 is 5V to verify the power of N803 normal on standby state 4 3 3 Checking Supply Power If the color of
55. whether fault soldered or short circuit are happened Else check the 5V supply voltage of N601 N603 on digital signal boardAs the Above orderwe may find the problem of RGB Y PbPr video signal Output a color bar signal to by signal generator PM5518 check the waveform if normal or not with oscilloscope Chi His 4 415MHz EDHE 307H 2004 i 0 00000 5 14 47 06 CVBS color bar Wave form 35 15 62kHz ini MELIA BE ATTE CAE 30 7H 2004 gt 0 00000 5 14 45 51 Y Waveform 1005751 Pin Ch1 19 60kHz Ch 1 I 696mV 4 4 1 4 4 1 4 me Eerie c 4 200mV 20 0 4 A Chl 307 2004 gt 6 00000 s 15 01 36 TV Cb Waveform XP1005 s 3 Pin EE ee 2 Chi 732mY 200mv M20 OS Chi 7776 30 7 2004 gt 0 00000 s 15 02 40 Waveform X P1005 s 5 Pin TT o 2 00 V M 20 01s p Chi 4 ley 0 00000 s 15 04 35 TV Hs Waveform X 10 05 s 7 Pin Chi 50 00 H2 2 00 V m 00116 7 307H 2004 ly 6 08000ms 15 03 45 TV Vs Wavrform XP1005 s 6 Pin 4 4 Analog signal board 4 4 1 Analog signal board power part Analog signal board is supplied by 12V transformed to 5V by 1101 1815 After connecting the power check the voltage of 11018 2 pin wit
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