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SERVICE MANUAL

1. mvsevia f snow AG OL FTN TOULNOS WaLsAs OL OL vL ASCFEINVO H AszrBNvd z LONTHOLIMS ZOZLNO 5759 70070 a ed i SNIHOLIMS Se ote ae 20010 EH 0160 e V i i ACCHLA 10991 x v 1 ASEH Wviovia M H vouiNoo W31SAS OL 0010 Y T 2260 AU 4 4 e 1126 939 Ag 1 D ASA ai Es 0651 SRIHOLIAS T06D 1090 AG NO d iT d ST ASEMS 1060 5060 50651 9160 8160 We 4 2 eH Kd QUAE ev o e Mcd Qe vov w s ze T 5050 h f i ov TG gt uan S 10925 LINN 3n mare E NN 809 5080 1 ANOA AGHNOALG E DOS v ASZVVY L NO ALG o 9 AG TENONO 9 F JASZ No ALa ee S MOOT
2. V82 NIVIN D3HS S ALG 199 9 Ma 108 5 10 NIS S ALG NIS SALG 1008 8710 LNOS S ALG gt 13S3H SAl LISIS ALG aaron W JAMIA OL cS as 105 ASOWSW Wwuoviaxo018 ag BINGOW ALG OL eec 254 SN XHOWSW 1 o RELSV 902121 NSS j OXdWdlOL 1 i WYYOVIG HOTA LHONYOYA 491 OL XlddfiS YBMOd OL Susinornovs S HNOALG 49018 A V82 HOSN3S i r01119 ZOELND PLEAS 1 Quee 13535 O e 755 HOLIMS AS 1 Z HOLIMS A3 b gt 10iV10 5 S3 TIOMINOO OYDIN AL 202121 vad NOILONNA j 1 pon I ce M PC P E Aene eae Bt ce ec Roos eu e s vao 31nGON ALA AT140BLS 7 1 IF Video Block Diagram NI 2 NFOSGIA D JNVHOVIO id O3GdlA ECL NN R 001 Yoan uox A O3GIA 7
3. A7140SCD1 8 10 DTV Module 2 2 Schematic Diagram TINGE MOREE AN 108 4 27x BRAM TRAN RASTA 2107 47 108 47 lt ALG 47 Ae 500051 SOCLAN DBAM AL 2 AME Dara vous unos n ADRIA ARIA 10202 58941316090 HY SY BA UNIT ADAD Se uii SWITCHING paan 40K 57641 1088 A7140SCD2 Main CBA Top View CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail
4. Example Pin 1 of the Flat Pack IC is indicated by a mark Presolder P Flat Pack IC TVN SN Instructions for Handling Semi conductors Electrostatic breakdown of the semi conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1 MQ that is properly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 on the workbench or other surface where the semi conductors are to be placed Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semi conductors with your clothing lt Incorrect gt lt Correct gt Grounding Band aN mU 1MQ Conductive Sheet or Copper Plate 3 4 TVN SN CABINET DISASSEMBLY INSTRUCTIONS 1 Disassembly Flowchart This flowchart indicates the disassembly steps for the cabinet parts and the CBA in order to gain access to item s to be serviced When reassembling follow the steps in reverse order Bend route and dress the cables as they were 1 i 1 Arm 4 Function Rear Cabinet 4 P Y Y ens Stand 2 Stand Cover older Y Y 12 Junction B 6 IR Se
5. MAIN 3 5 P ONT5V 2 en oo 28 E B AUDIOUL IN1 AUDIOIR IN1 AUDIO QUT MATRIX OFFSET suf L Can OFFSET AN5B325A EiV MTS SAP AUDIO SIGNAL PROCESS _ WIDE BANDI xem SPECTRAL J CANCEL 10852 TC4052BF INPUT SELECT EXPAND dbx DE EMPH WIDE BAND EXPAND AMS DET WIDE BAND FILTER L R SAP SWITCH SPECTRAL RMS DET SPECTRAL FILTER STEREO FILTER NOISE FILTER 12C PARA AGC MODE FOMO MUTE SIF BB i I i i 168641 i i AUDIO R DUT aes MAIN 3 5 AUDIO INP lt gt INPUT O INV TNPUT 4 CONTINUE 7 8 4 9 QD QS 3 MAIN 175 afa 8 Q 09 4 PHOTECT 4 3 855 258 1781 186133 2 Tes 1 NIRE CONTINUE 582 _ Canin 5 6 N 158133 P ONFSV 11 lt VT 33V lt DTV ONT3 2 DTV ONT1 BV F i 10 07 MODULE CHA UNIT 8083 NU 22
6. AMr 421 5 SET 14 SDA CONTINUE MAIN 1 5 DTV ON H2 84 VOLTAGE CHART A7140SCM2 Main 3 5 Junction A amp Junction B Schematic Diagram CONTINUE MAIN 2 8 1 1 Ci VIDEO IN1 MA N C BA TNUE amp S VIDEO C gt 2 INUE MAIN 5 5 Way i5 PBOTECT 1 VOLUME MAIN 2 9 AUDIOILI ING AUDIDIRI IN2 INPUT O INV lt INPUT LCINVI INPUT JKBOS HEADPHONE JACK 8737 28798 9799 38k 10 F 10K I 821 nike CB02 801 01520 1520 CL802 48V 1 2 sp sN0 2 JK701 i 1 gres S VIDEO JUNC TION B IN dd 703 VIDED 1 i INi i VIDEO Pr JK704 VIDED PD INI INI 9 2 0 CONTINUE 0708 i SS 5 54 INVERTER neg mesg TNPUT O gt D 04701 lt INPUT 1 gt 0 7 40K AM INPUT e of 9709 2802785 c INVERTER 8807 2 2 2 1 4 081 470 48V pepe
7. C C C C C C C C C C CAP 47uF 16V M CE1CMASD C C C Ci C C C CHIP CERAMIC CAP F Z 22uF 10V CHD1AZ30F225 C1338 CHIP CERAMIC CAP 1608 Z 0 1uF 25V CHD1EZ30F104 CHIP CERAMIC CAP 1608 B K 1uF 10V CHD1AK30B105 CHIP CERAMIC CAP 1608 F Z 0 1 CHD1EZ30F104 CHIP CERAMIC CAP 1608 0 0224 50 CHD1JK30B223 CHIP CERAMIC CAP 1608 F Z 0 1 CHD1EZ30F104 ELECTROLYTIC CAP 22004 F 25V CE1EMZPDL222 ELECTROLYTIC CAP 47uF 16V CE1CMASDL470 ELECTROLYTIC CAP 470uF 25V M CE1EMASDL471 CHIP CERAMIC CAP 1608 B K 0 1 HD1JK30B104 ELECTROLYTIC 10004F 16V M CE1CMZPDL102 CHIP CERAMIC CAP 1608 B K 0 1 HD1JK30B104 ELECTROLYTIC 0 47u F 50V M H7 CE1JMAVSLR47 CHIP CERAMIC CAP 1608 F Z 0 1 HD1EZ30F 104 ELECTROLYTIC 10004 F 16V M CE1CMZPDL102 CHIP CERAMIC CAP 1608 B K 0 1 HD1JK30B104 1608 H 1608 H H ELECTROLYTIC CAP 1004 F 50V M CE1JMASDL101 CHIP CERAMIC CAP 1608 F Z 0 1 D1EZ30F104 LECTROLYTIC 10004 F 10V M CE1AMASDL102 CHIP CERAMIC CAP 1608 F Z 0 1 D1EZ30F104 LECTROLYTIC 47u F 16V CE1CMASDL470 CHIP CERAMIC CAP 1608 F Z 0 1 D1EZ30F104 LECTROLYTIC 47u F 16V CE1CMASDL470 ELECTROLYTIC 47uF 16V M E1CMASDL470 LECTROLYTIC 104 F 50V CE1JMASDL100 CHIP CERAMIC CAP 1608 B K 0 1 HD1JK30B104 LECTI CAP 1uF 50V M CE1JMASDL1RO CHIP CERAMIC CAP 1608 F Z 0 1 EZ30F104 LM 0 0027uF 50V
8. CAUTION For continued protection against risk of fire replace only with same type 4 A 125V fuse ATTENTION Utiliser un fusible de rechange de m me type de 4A 125V NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a variable isolation transformer is required AT RISK FIRED REPLACE 52 7277 FUSE 5 MARKED BA7140F0101 1 1 Main CBA Bottom View CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F601 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power su
9. AS NOALO 2 31085210 2 1 LOLNO LOND ee zej 10193 oe 5 22 ez ALS ONS A3430 zz 12 1 el53 oz 93 6 1993 e z fol 93 91 si 121 fe ev 1 83 zi 9 83 ano 0 A9 13NVd 6 9 Ag01 13NVd 1 ono 9 AC T3NVd S ano AS2 13NVd z ASZ T3NVd i ONS mE angaow V82 NIVIA NOOSA di 10d HiS QNO zuo YO v uo s QNO 0190 1160 2 90 50 90 5190 QNO 0180 180 12190 80 780 s go QNO LOZLNO ano aacer 6 vyao ENAA 2 NOILONN4 ZNIX3xy 1 4011719 va YOSNAS HI E AN 310W3H z OND acer ZOEIND YSNAL LINL POLLTO IVO ZNE moiany NI worany INE Moianv INE olan NI NI NI NI OFIS QUOD
10. 10 H AgE NOALQ o lt EHNO ALO p 39101 V8O NIV j e se GNX JOU si Joy ur sped 10 eDeyoA eur JLON ASZL We adA ep ep ajqisny un Jasin NOILNILLY esnj ASZL v edA eoejde aay JO xsu 15 uono loid penuguoo 104 i id3uvo 38 LOH jddns amod eui ut sjusuoduioo y SSIMIBUIO jddns samod oy eui ol eui jpauuoo jou jddns samod ui sjueuoduioo ees YOSYO si 1094 sn3 JI jun siy u pesn si noxo Addns lqelo lj s 10 i NOLO VO AT140BLP 7 6 LCD Backlight Block Diagram d21 Vad H31H3ANI pot NOLO3IOUd y EENT wolo310ud 1 corzovo H Vine E f
11. NI 60 0 ZANNI J 19078 10078 OnY 01 ANDI LOdNI 8020 3081NOO WALSAS OL ot ANDO LNANI 1018 ONAN NI m INE Toone wvuovia 40018 007 91 Wvuovia ILNI 29018 Nes 10dHNOO M amp S W31SAS Y 984 OL WYYOVIG 0018 1 WSLSAS o3 29 t 130 099 du 318 4 WVHOVIG 2 2 52018 OL 3m 8813 bind 145 Led 2 Ss32OHd IVNOIS 3 162 ioni Se eee V82 NIVA M mctu m F e WNOIS olgnv TWNOIS NP A7140BLIF 7 2 L Audio Block Diagram op ANDZLOdNI OZANA OL ANDI LDdNI um ANDOADdNI 308 PIANOA A nwona 000 4 VEO 1 2 5 Z f ta ZNE
12. wodny 10810 4 J ZNF Gi A bozar 9 any worany yor SOLAN 97 moan 10dLNOO A ASONVIS TOM SLAW poc l vao 4 TO EEG Zlaneds z DOIQnYALG 3naow 7 ALG OL sayas 4 rH resp NONW 153135 INANI 25821 T w I ere toe 4no olqny UIDI 1 43 Suis le 47 wdl53adS Io Nec i i 221 anvaxa WeLOadS uan qowaq uan 1 no avs ave dvs isdsws 5 138330 anva ava 3am avsat uar DUEB We xmuvw HdWa 30 uaria SH Mais MS nod 185330 ka wa f 88 315 inant Aer eae neat i cpu TU NIE Olanv 19 V82 NIVIN AT7140BLA 7 3 DTV Module Block Diagram M V82 NIVIN wvuds ves 10221 02 1518 ssauaav HSV13 AHOW3IN HSV14 20221 OS ev 2v vv Vv Ot e 67 2C SCE LINN vigo 3 indoW ALG 1 So co zo OYES LGI PEEL Ll 01 9 S v Z 9 ZE BZ 1 Sv 8t 96 62 9 H 8
13. 13 1 A7140CA PRODUCT SAFETY NOTE Products marked with a ELECTRICAL PARTS LIST have special characteristics important to safety Before replacing any of these components read carefully the product safety notice in this service manual Don t degrade the safety of the product through improper servicing NOTES 1 Parts that are not assigned part numbers are not available m with the following symbols 0 25 D 0 596 F 196 2 J 5 10 20 N 30 Z 80 20 DTV MODULE CBA UNIT Ref No Description Part No MAIN C22 C23 CHIP CERAMIC CAP 1608 CH J 1000pF 50V 1 102 C24 CHIP CERAMIC 1608 CH J 1000pF 50V CHD1JJ3CH102 25 C AM C27 CBA Description MAIN CBA Consists of the following CAPACITORS ELECTROLYTIC CAP 1004F 10V M HIP CERAMIC CAP 1608 K 0 01uF 50V FILM CAP P 0 0181 F 50V J CHIP CERAMIC CAP 1608 B K 0 047uF 50V Tolerance of Capacitors and Resistors are noted Part No 1ESA13798 CE1AMASDL101 CHD1JK30B103 CA1J183MS029 CHD1JK30B473 CHIP CERAMIC CAP CH D 3pF 50V CHD1JD3CH3RO PCB JUMPER 00 6 5 0 JW5 0T ELECTROLYTIC CAP 1004F 10V M CE1AMASDL101 CHIP CERAMIC CAP 1608 CH J 47pF 50V CHD1JJ3CH470 ECTROLYTIC CAP 1u F 50V M CE1JMASDL1RO P CERAMIC 1608 J 47pF 50V CHD1JJ3CH470 P CERAMIC CAP CH J 680pF 50V CHD1JJ3CH681
14. 0507 270 icm 0955 198133 i 78 m E D 4 1 zs gt T 9905 9 251880 Y 6 1 2921 0951 10K 155133 EBPB42 PNR263 100 3 c B44 4700 80 ryt l i i iK i i T i 7108 i i i i i i i 8823 FiK 1 i i i i i i i i i i i i 8907 nop eag 25C2420 0906 435 476 15 45 2862785 IR Aie HM i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i i 0 7 CONTINGE AMAIN DTv 0N 0N L 1922 bea 335v PANEL BV 0803 12 2808 1 0 g BEAD 1 MAIN 1 5 DTV ON H RESET PROTECT lt 4 10804 PO070XF0182H ite By 092 0909 0925 155133 LIN m 5 7775 66 4 925 10 0919 155133 ICS01 ton 44 2V REG ovo BND HOT EA D824 MTZJT i 77398 7 Rege 0 38 1 e I GES ALTS 3V A lt ALAS 210 4 3VID CONTINUE AMAIN 4 5 po PROTECT invteey PROTECT PROTECT 2 10808 16501
15. 28 48703 M EN i 10801 JS704 8728 i SA7412 ww M JK707 AUDIO SEO AMP j 75 JKz08 YIDED pr 1 J709 AUDIOULI ANY INB i JK720 AUDIOURI INP 9937 L s 16 07801 27 5810 185123 ge e 9802 0805 2528785 9 1 12 50 SWITCHING A MUTE I 8 5 A7140SCM3 Main 4 5 Schematic Diagram H 7 7 7 7 7 7 7 7 7 7 7 7 7 MAIN CBA 1 I p SP73KV D431 I 155133 gape 2803785 i ncs VOLTAGE 0421 8423 PROTECTOR i 185133 0 7 i Inve 94823 8421 gt 1 2 BTE 5 042 m Pedera t INVERTER TRANS pes 390 d CURRENT 76 088 250V m SWITCH BEAD i 2 Li i i i 1 ba 1 1 i BEAD I C428 1 185133 10750 0429 785 Beaga geng 455133 TCHING i i i I 15K i D D MN i 1 R436 2 i 9406 B 07
16. LTV 847C F ERROR VOLTAGE DET LES 476 aot RB BO n RE Ross 6 2828 ions 25945 8 7 A7140SCM5 Function Schematic Diagram FUNCTION CBA 541101 SW1102 SW1103 SW1104 SW1105 51107 84104 BOWER CH UP CH DOWN VOL UP VOL DOWN INPUT SELECT gn D DD LL Les TM 10 MAIN 4 1 1 2 CN1301 R1104 81105 81106 81407 81108 1 5K 8 SK 2 70 4 7K B BK AN AM ANY UNLESS OTHERWISE SPECIFIED SWITCHES ARE SKGSAB 8 8 A7140SCF IR Sensor Schematic Diagram IR SENSOR CBA 1142 KSM B PSROE 2 REMOTE SENSOR TO MAIN CN1302 CL 1104 84443 ALt3 3V D Nive 01142 4 8 9 A7140SCIR DTV Module 1 2 Schematic Diagram DTV MODULE CBA UNIT 198008 LES VINO LES n 2 5 En
17. NTSC Pattern Generator Color Bar W White Window Red Color Dot Pattern Gray Scale Monoscope Multi Burst 3 Remote control unit 4 Color Analyzer How to make the Service remote control unit Cut A portion of the attached remote control unit as shown in Fig 1 service button How to set up the service mode Service mode 1 Use the service remote control unit 2 Turn the power on Use main power on the TV unit 3 Press the service button on the service remote control unit as shown in Fig 1 1 Initial Setting General Enter the Service mode See page 5 1 Set the each initial data as shown on table 1 below Table 1 Initial Data Button on the service remote control RF CLR R RF CLR B SETUP 1 V BRT V CNT V CLR R V CLR B V TNT V SHR S BRT S CNT S CLR R S CLR B S TNT S SHR D1 BRT D1 CNT D1 CLR R D1 CLR B D1 TNT D1 SHR SETUP 2 SETUP 3 A7140EA Item Button on the service remote control D2 BRT D2 CNT D2 CLR R D2 CLR B D2 TNT D2 SHR SETUP 5 D3 BRT D3 CNT D3 CLR R D3 CLR B D3 TNT D3 SHR SETUP gt 6 DT BRT DT CNT DT CLR R DT CLR B DT TNT DT SHR COR C D1 C COR C D2 COB C D1 C COB C D2 SETUP 7 DR C D1 C DR C D2 DB C D1 C DB C D2 The following adjustment normally are not attempted in the field Only when
18. OB 85 NU Not Used OB 3 Pixel Data Output OB 86 NU Not Used OB 2 Pixel Data Output OB 87 NU Not Used OB 1 Pixel Data Output OB 88 NU Not Used Pixel Data Output OB 89 EB Pixel Data Output EB Pixel Data Output OG 90 EB Pixel Data Output EB Pixel Data Output OG 91 EB Pixel Data Output EB 3 3V VDD 92 9 EB 1 Pixel Data Output EB Pixel Data Output EB 3 3V VDD 3 3V VDD 97 EG 4 Pixel Data Output EG 98 EG 3 Pixel Data Output EG 100 VDD 1 2V 1 2V VDD VDD 1 2V 1 2V VDD VDD 1 2V 1 2V VDD VDD 3 3V 3 3V VDD VDD 3 3V 3 3V VDD OG OG OR 3 Pixel Data Output OG Pixel Data Output OG 1 2V VDD 1 2V VDD Pixel Data Output OG EG Pixel Data Output EG Pixel Data Output OG OFFEV Enable Signal Start Pulse Signal STV Start Pulse Signal Polarity Reverse Signal CLKV Shift Clock Signal Latch Pulse Signal VSS GND DTV ON H DTV On Signal at High EG Pixel Data Output EG DTV S RESET DTV Reset EG Pixel Data Output EG NU Not Used ER Pixel Data Output ER DTV S SCLK DTV Serial Clock ER Pixel Data Output ER Clear Panel Cont
19. TOO 2 HOLIMS E Ey 201409 I 9 190 12 O xovg 6 v qme m ij WOLOSLOYd 1 4 3ovr N 3 0 i i i I 2 ERES ANS v 4 We l gt y HOLIMS 2 1 JOH1NOO i SHON k ot mo xovg o ion 0o ZOPL Moloalodd a T f ezr zzro i x VA L G O 41 _ 1 Ls gt vuevia zai 2085319 raviHorpovd 19018 io d Oh 5 iei TOMINOO 2 W31SAS OL ova 4 v LOPNO 10i SNIHOLIMS Pod v ps er AlddnS i i i OL P N 070 A A7140BLLB 7 7 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS Standard Notes Many electrical and mechanical parts in this chassis have special characteristics These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts that have these special safety characteristics are identified in this manual and its supplements electrical components having such fe
20. 1608 1 10W 0 7 570000 RES 1 10W J 10kQ RRXAJR5Z0103 RES 1608 1H0W 0 RRXAZR5Z0000 RES 17100771000 RAXAJRSZ0101 Cone of he GONE RES 1 10W J 100 RRXAJR5Z0101 FUNCTION CBA RES 1608 1 10W 0 RRXAZR5Z0000 IR SENSOR CBA RES 10WJ4 7kQ RRXAJR5Z0472 SUNCOM RES 1 10W J 15kQ RRXAJR5Z0153 RES 1 10W J 100 Q RRXAJR5Z0101 RES 1 10W J 10k RRXAJR5Z0103 FUNCTION CBA RES 1 10W J 10kQ RRXAJR5Z0103 RES 110W J 2 2k Q RRXAJR5Z0222 FUNCTION CBA RES 110W J 33 Q RRXAJR5Z0330 RES 110W J 1k Q RRXAJR5Z0102 Consists of the following RESISTORS O O O0 O9 9 9 9 O 9 O9 O O O 9 O O O 20070115 14 7 A7140EL Description BON RES 1 4W J 10k Q 20103 BON RES 1 4W J 100 Q RCX4JATZ0101 BON RES 1 4W J 15k ROXAJATZ0152 BON RES 1 4W J 15k ROXAJATZ0152 BON RES 1 4W J 2 2k RCX4JATZ0222 BON RES 1 4W J2 7kQ 20272 BON RES 1 4W J 4 7k 20472 BON RES 1 4W J 6 8k 20682 BON RES 1 4W J 10k Q 20103 BON RES 1 4W J 100 Q 20101 SWITCHES SWITCH SKQSAB SST0101AL038 TACT SWITCH SKQSAB SST0101AL038 TACT SWITCH SKQSAB SST0101AL038 TACT SWITCH SKQSAB SST0101AL038 TACT SWITCH SKQSAB SST0101AL038 TACT SWITCH SKQSAB SST0101AL038 TACT SWITCH SKQSAB SST0101AL038 MISCELLANEOUS WIRE A
21. 5 Refer to the following Reference Notes in the Table A7140DC 3 Rear Cabinet A gt o S 5 o A7140DC 4 2 A 5 5 4 Function CBA 12 Junction B CBA 22 Speaker DS Holder A n Deso Y 9 7 5 9 E 4 2 we dis Holder 4 A 13 Speaker Speakor 841 Holder 11 Junction A CBA 5 Tilt Stand Holder 8 DTV Module CBA Unit Fig D2 43 A7140DC TV Cable Wiring Diagram Function CBA Main CBA CN1301 CN1202 CN1201 To LcD lt 4 Module Junction A CBA CL801 CL802 Junction B e dr CN102 CN101 IR Sensor CBA DTV Module CBA Unit To Speaker Fig D3 4 4 A7140DC ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note CBA is abbreviation for Circuit Board Assembly Note Electrical adjustments are required after replacing circuit components and certain mechanical parts It is important to perform these adjustments only after all repairs and replacements have been completed Also do not attempt these adjustments unless the proper equipment is available Test Equipment Required 1 DC Voltmeter 2
22. 52 9 6 1 Sx SOC 9 76 H eiz etz LLZ 607 907 07 CL L2 o Vezi 22V SZL FEVOZUSLLO9LL L9 09 99 9966 z 901 v01 Z0l 86 96 626 16 88 8 98 18 6 by si o sna Viva zi o sna ssauaav 61 088 _ _ _ _ ee np r es TWNOIS Olanv IS 1vNoIS BP Wvuovia 30018 1031409 m zHWsz 1nox S 250 OL 5i azi ZHWSZ NIX HINGE N31H3ANOO aymaodoaGIN 3300934 i LOND W31SAS odoi I S835683 Qloianv ALa TYN9IS 3390934 67 280 ZHINLZ NIX De HIC WX 91 91 M31H3ANOO wa 1 Moianv aia 23291 Wyuovia oc foz 333308 1 2018 eia 61 saaana Eo e oovan e GOT OL ORIG ei AMO 81 333508 5 3 zi zinoa 21 ZOLNO noaa ZONO 5535099 TVN IS ALO L0LOI vas 911298 Ht OL LINN A7140BLDTV 7 4 LCD Bloc
23. 80 to 80 2 Viewing Angle Vertical 65 to 70 lt VIDEO gt Description Condition Nominal Horizontal Vertical AT 80 WHITE FIELD 2 Color Temperature x y Horizontal line Vertical line 4 Brightness AT 100 WHITE FIELD cd m AUDIO All items are measured across 8 Q load at speaker output terminal with L P F 1 Over Scan 3 Resolution Description Condition Nominal 1 Audio Output Power 10 THD Lch Rch 1 0 1 0 2 Audio Distortion 500mW Lch Rch 1 5 1 5 4 64 Lch 70 to8k 3 Audio Freq Response _6dB Reh 70 to8k VIDEO1 245 45 VIDEO2 545 45 1 1 A7140SP lt ATSC gt Description Condition Nominal 1 RECEIVED FREQ RANGE 28dBm VHF LOW BAND CH 4 VHF HI BAND CH 10 UHF BAND CH 41 VHF LOW BAND CH 4 VHF HI BAND CH 10 UHF BAND CH 41 VHF LOW BAND CH 4 VHF HI BAND CH 10 UHF BAND CH 41 2 ATSC DYNAMIC RANGE min max 3 ATSC SUSCEPTIBILITY TO RANDOM NOISE 4 NTSC CO CHANNEL INTERFERENCE 5 MULTIPATH 6 Audio S N OdBfs 7 Audio DIST OdBfs Note Nominal specifications represent the design specifications All units should be able to approximate these Some will exceed and some may drop slightly below these specifications Limit specifications represent the absolute worst condition that still might be considered acceptable In no case should
24. DTv ON H2 D 6ND DTV DNt3 3V DTv DN42 SV DTv ONT1 BY f 6 e SMART ANT 7 8 4 DIF AGC 9 A OND 10 017 0071 ii apa us DIF OUTe A GND 13 DTV VIDEOUNU DTv AUDIO L 15 DTV AUDIO R 16 AGOND 37 DiV v 18 DTv Pr 19 DTV Po 20 nan 15 N alu r IF MUTE AFT IN 4 5MMz AMP RAB RRG 0 166 1634 GND 11 42 13 14 45 15 3 4 5 1 5 6 0 notes DiF AGC L INPUT 2 INV JK4701 DIGITAL AUDIO QUT n CONTINUE COAXTAL i ata ve DTV S HESET DTV S SCLK IN S 3 T M a 85 FSC D 20 m 5 SV ONTSY S 2 MODULE Y UNIT 101 CNS GND 861 161 24128 MEMORY TU SDA DTV S SHEG SUL K 5 5 DTV S SDUT gt B72 0 6ND
25. J CMA1JJS00272 CHIP CERAMIC CAP 1608 B K 0 1 JK30B104 LECTROLYTIC 100uF 10V CE1AMASDL101 CHIP CERAMIC CAP 1608 F Z 0 1 230 104 AMIC CAP 1608 B K 0 14 F 50V CHD1JK30B104 CHIP CERAMIC CAP 1608 B K 0 JK30B104 1608 1608 gt LYTIC CAP 10uF 50V CE1JMASDL100 CHIP CERAMIC CAP 1608 F Z 0 EZ30F104 LYTIC 220uF 16V M CE1CMASDL221 CHIP CERAMIC CAP 1608 F Z 0 AMIC CAP 1608 CH J 47pF 50V CHD1JJ8CH470 CHIP CERAMIC CAP 1608 F Z 0 AMIC CAP 1608 0 01F 50V CHD1JK30B103 ELECTROLYTIC CAP 47 F 16V M LYTIC 220uF 16V M CE1CMASDL221 CHIP CERAMIC CAP F Z 1uF 10V AMIC CAP 1608 B K0 01uF 50V CHD1JK30B103 CHIP CERAMIC CAP 1608 F Z 0 1uF 25V LYTIC 22uF 50V CE1JMASDL220 CHIP CERAMIC CAP 1608 F Z 0 1uF 25V AMIC CAP 1608 0 01nF 50V CHD1JK30B103 CHIP CERAMIC CAP 1608 F Z 0 1uF 25V AMIC 1608 BKO OtuF 50V CHD1JK30B103 CERAMIC CAP AX 1000pF 50V LYTIC CAP 10uF 16V CE1CMASDL100 CHIP CERAMIC CAP 1608 Z 0 1uF 25V RAMIC CAP 1608 F Z 0 1u F 25V CHD1EZ30F104 CHIP CERAMIC CAP 1608 Z 0 1uF 25V EZ30F104 EZ30F104 CMASDL470 D1AZ30F105 EZ30F104 EZ30F104 230 104 JKTOB102 EZ30F104 EZ30F104 D D D D D D D D 519219 5550 015606 OoOImioj
26. OV 1099Y A7140WI 10 1 Signal Name IC PIN FUNCTION DESCRIPTIONS 1202 LCD Drive LCD Signal Process TV Micro Controller Function VDD 3 3V 3 3V VDD VDD 3 3V 3 3V VDD KEY IN 1 Key Input 1 KEY IN 2 Key Input 2 AFT IN AFT Voltage Input PROTECT 1 Power Supply Protection 1 PROTECT 2 Power Supply Protection 2 PROTECT 4 Power Supply Protection 4 ADING Reference Terminal Signal Name Function XOUT Crystal Oscillation Output 27 2 VSS GND VSS GND VSS GND VDD 3 3V 3 3V VDD VDD 3 3V 3 3V VDD FSC Clock Output MPSEL MP Select TEST GND S SW Detecting S VIDEO Jack Connection VSS GND AUDIO MUTE Audio Mute Signal Output NU Not Used INPUT O Input Select O Signal Output NU Not Used INPUT 1 Input Select 1 Signal Output NU Not Used INPUT 2 Input Select 2 Signal Output Not Used DTV Serial Data Out DTV Serial Data In DTV Serial Request 54 DTV DTV Pb Sinaine sN DTV S SOUT DTV S SIN DTV S SREQ IF MUTE VCOM BACKLIGHT ADJ IF Mute Signal Output VCOM Inverter Control Signal Output 6 VIDEO Pb 7 S VIDEO C Chrominance Signal Input Component Video Pb Signal Input 3 3V VDD VDD 3 3V 3 3V VDD GND DTV ON H2 D
27. R5Z0332 ON RES 1 4W J 470 Q RCX4JATZ0471 UMPER D0 6 P5 0 OT RES 1 10W F 3 3k O RRXAFR5H3301 ON RES 1 4W J 47k Q IATZ0473 RES 1 10W F 10k Q RRXAFR5H1002 RES 1 10 J 150 Q R5Z0151 TAL OXIDE FILM RES 2W J 10 Q RNO2100ZU001 RES 110W J 33k Q R5Z0332 ON RES 1 4W J 470 Q RCX4JATZ0471 RES 1 10W J 10k Q R5Z0103 RES 1 10W F 3 3k RRXAFR5H3301 RES 110W J 33k R5Z0332 RES 1 10W F 10k Q RRXAFRSH1002 RES 1 10W J 27k R5Z0273 ON RES 1 2W J 1 0 Q RCX2JZQZ01RO CARBON RES 1 4W J 4 7k Q IATZ0472 J 12k Q RRXAJR5Z0122 CHIP RES 1 10W J 1 5k Q R5Z0152 1 10 J 47k RRXAJR5Z0473 CARBON RES 1 4W J 100 Q ICXAJATZO101 RES 1 4W J 1 8 RCX4JATZ01R8 RES 1 10W F 10k Q RXAFR5H1002 RES 1 4W J 470 Q RCX4JATZ0471 RES 1608 1 10 00 RXAZR5Z0000 RES 1 4W J 470 Q ROXAJATZO471 RES 110W F 3k Q RXAFR5H3001 RES 1 4W J 10k Q RCX4JATZ0103 RES 1608 110W 0 Q RXAZR5Z0000 RES 1 4W J 47k Q RCX4JATZ0473 CARBON RES 1 4W J 47k Q JATZ0473 RES 1 4W J 1k Q RCX4JATZ0102 CHIP RES 1 10 J 33k Q R5Z0332 P RES 1 10W J 10k Q RRXAJR5Z0103 CHIP RES 1 10W J 10k Q R5Z0103 CARBON RES 1 4W J 10k ROCXAJATZO103 CHIP RES 1 10W J 3 3k Q R5Z0332 CARBON RES 1 4W J 1 8 Q RCXAJATZO1R8 R1017 CARBON RES 1 4W J 27k Q IATZ0273 CARBON RES 1 4W J 470 Q RCX4JATZ0471 R1018 CARBON RES 1 4W J 470 Q RCX4JATZ0471 R1019 CHIP RES 1 10W J 22
28. REGULATOR KIA431 AT P NSZBA0TJY036 DE 1SS133 F77 DTZ001SS133 IC SHUNT REGULATOR KIA431 AT P NSZBA0TJY036 DE 1SS133 DTZ001SS133 SWITCHING DIODE 155133 7 77 QDTZ001SS133 DE 1SS133 DTZ001SS133 ZENER DIODE MTZJT7739B QDTBOOMTZJ39 DE 188133 DTZ001SS133 SWITCHING DIODE 1SS133 F77 007200155133 DE 188133 07200195133 ZENER DIODE 2 7733 QDTBOOMTZI33 DE 155133 DTZ001SS133 DIODE FR154 NDLZ000FR154 DE 1SS133 DTZ001SS133 SCHOTTKY BARRIEA DIODE 11EQS04 QD4Z011EQS04 DE 1SS133 DTZ001SS133 ZENER DIODE MTZJT 775 6B QDTBOMTZJ5R6 DE 155133 07200155133 SWITCHING DIODE 1551337 007200155133 Q Q Q Q Q Q a m Q Q Q T Ql Ql T Ql T Ql F T Q T Ql T Q DE 1SS133 T QDTZ001SS133 ZENER DIODE MTZJT 7710B DTBOOMTZJ10 DE 155133 907200155133 HING DE 155133 1 07200155133 DE 155133 907200155133 HING DE 1551331 07200155133 DE 155133 907200155133 HING 155133 07200155133 T 007200155133 HING DE 155133 DTZ001SS133 T Q H T Q T Q T Q T Q Ql T Q T Q T Q T Q Q Q m CaN o O O O O O O DE 155133 DTZ001SS133 NG DE 1561330 DTZ001SS133 DTZ001SS133 JUMPER D0 6 P5 0 5 0 50 07200155133 07200155133 07200155133 07200155133 DTBOOMTZJ12 07200155133 07200155133 072
29. a unit fail to meet limit specifications 1 2 A7140SP 1 IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold However in order to maintain such compliance it is equally important to implement the following precautions when a set is being serviced Safety Precautions for LCD TV Circuit Before returning an instrument to the customer always make a safety check of the entire instrument including but not limited to the following items a Be sure that no built in protective devices are defective and have been defeated during servicing 1 Protective shields are provided on this chassis to protect both the technician and the customer Correctly replace all missing protective shields including any removed for servicing convenience 2 When reinstalling the chassis and or other assembly in the cabinet be sure to put back in place all protective devices including but not limited to nonmetallic control knobs insulating fishpapers adjustment and compartment covers shields and isolation resistor capacitor networks Do not operate this instrument or permit it to be operated without all protective devices correctly installed and functioning Servicers who defeat safety features or fail to perform safety checks may be liable for any resulting damage Be sure that there are no cab
30. value and value A7140EA are not within specification adjust DB C D1 or VIDEO2 DR C D1 Refer to 1 Initial Setting Press SETUP button on the service remote RF VIDEO1 APL 20 control unit and press 3 on the service remote Press 3 button to select COB C D1 for Blue control selecting C BRT mode adjustment Press 1 button to select COR C 3 Make sure that contrast and brightness controls D1 for Red adjustment When x value and y are set to initial position value are not within specification adjust COB C D1 or COR C D1 Refer to 1 Initial Setting 6 VIDEO2 APL 80 Confirm C position was beginning to bright If C position was beginning to bright no need to Press 6 button to select C DB C D2 for Blue adjust adjustment Press 4 button to select C DR C 6 If C position is not available or to be highly D2 for Red adjustment When x value and brightness then adjust IIC BUS dada value are not within specification adjust C DB C RF VIDEO1 BRT D2 or C DR C D2 Refer to 1 Initial Setting VIDEO2 C BRT VIDEO2 APL 20 7 Turn the power off and on again Main power Press 3 button to select C COB C D2 for Blue button on the TV unit adjustment Press 1 button to select C COR C 02 for Red adjustment When x value and value are not
31. within specification adjust C COB C D2 or C COR C D2 Refer to 1 Initial Setting 7 Turn the power off and on again Main power button on the TV unit 3 Sub Brightness Adjustment Purpose To get proper brightness Symptom of Misadjustment If Sub Brightness is incorrect proper brightness cannot be obtained by adjusting the Brightness Control Adj Point Input Ant input Any channel SMPTE pattern RF VIDEO1 CG 931 KENWOOD VIDEO2 CG 931 KENWOOD w SETUP 7 5IRE M EQ Spec Pattern Generator SETUP button See below White A position Black position position 1 Enter the Service mode Then input above signal 2 RF VIDEO1 Press SETUP button on the service remote control unit and press 1 on the service remote control selecting BRT mode 5 8 A7140EA HOW TO INITIALIZE THE LCD TELEVISION How to initialize the LCD television 1 Turn the power on Use main power on the TV unit To enter the service mode press the service button on the service remote control unit Refer to page 5 1 To cancel the service mode press POWER button on the remote control To initialize the LCD television press DISPLAY button on the remote control unit Confirm FF indication on the upper right of the Screen 7120 BLOCK DIAGRAMS System Control Block Diagram
32. 00155133 07200155133 07200155133 155133 155133 155133 155133 DE 155133 DE 155133 DE 155133 155133 155133 DE 155133 155133 155133 DTZ001SS133 00 6 5 0 07200155133 155133 1 07200155133 155133 1 07200155133 155133 1 07200155133 155133 1 07200155133 MTZJT 7712B 07200155133 155133 1 Ol Ol Ol Ol Oyo o o m 07200155133 DE 1561330 07200155133 DE 1551330 07200155133 DE 1551330 DE 1551330 0 01 010 010 00 010 0 0 00 010 0 0 0 010 010 010 0 01 0 221 2112112 12 20070115 14 3 A7140EL Description Ref No Description Part No SWITCHING DIODE 1SS133 T77 007200155133 R 25 2785 QQSF02SC2785 SHUNT REGULATOR 431 NSZBAOTJY036 R 25 2785 QQSF02SC2785 SWITCHING DIODE 1SS133 T77 QDTZ001SS133 R2SC2785 F QQSF02SC2785 ZENER DIODE MTZJT 7724B QDTB00MTZJ24 R2SC2785 F QQSF02SC2785 ZENER DIODE MTZJT 776 2B QDTBOMTZJ6R2 28C2120 Y TE2 F T QQSY28C2120F ZENER DIODE MTZJT 774 3B QDTBOMTZJAR3 2SC2120 Y TE2 F T QQSY28C2120F Ics 2SC2120 Y TE2 F T QQSY28C2120F VIF SIF M61116FP TFOG QSZBAOSHTO34 R 2SA950 Y TE2 F T QQSY02SA950F EEP ROM 128KM24128 BWMN6TP NSZBAOTSS268 R 28C2785 F QQS
33. 0221 INDUCTOR 1 01 H J 26T LLAXJATTUO10 CARBON RES 1 4W J 1k INDUCTOR 1 04 H J 26T LLAXJATTUO10 CHIP RES 1608 1 10W Q TRANSISTORS CHIP RES 1 10W J 1 8k Q R R R R R R R NPN TRANSISTOR POWER 28C4881F QQWZ2SC4881F CHIP RES 1 10W J 220 RRXAJR520221 MAX320 CHIP RES 1 10W J 220 Q RRXAJR5Z0221 TRANSISTOR 25 950 2 F T QQSYO2SA950F CHIP RES 1608 1 10W Q RRXAZR5Z0000 R R R R R R R R R ICXAJATZO102 RXAZR5Z0000 RXAJR5Z0182 TRANSISTOR 28C2785 F QQSF02SC2785 CHIP RES 1608 140W 0 RXAZR5Z0000 RXAZR5Z0000 RXAZR5Z0000 RXAZR5Z0000 RXAZR5Z0000 RXAJR5Z0223 RXAJR5Z0223 TRANSISTOR 25 2785 5 025 2785 CHIP RES 1410W 0 O TRANSISTOR 25 1175 QQSF02SA1175 CHIP RES 1608 1 10W 0 TRANSISTOR 28 2120 2 F T QQSY2SC2120F CHIP RES 1608 1 10W 0 Q TRANSISTOR 28C2785 F QQSF02SC2785 RES 1608 1 10 00 ET MOS SMD 8214 QF2ZTPC8214H RES 110W J 22k RANSISTOR 28C2785 F QQSFO02SC2785 RES 140W J 22k RANSISTOR 2802785 F QQSF02SC2785 RES 1 10W J 10k Q RXAJR5Z0103 RANSISTOR 28C2785 F QQSF02SC2785 RES 140W J 15k O RXAJR5Z0152 RANSISTOR 2802785 F QQSF02SC2785 CARBON RES 1 4W J 27k Q RCX4JATZ0273 ET MOS SMD TPC8214 H QF2ZTPC8214H CARBON RES 1 4W J 150 0 ATZ0151 RANSISTOR
34. 2862120 HOV REG 1 3 2 20 8 1 H i 47750V 8 8 4 0442 2 2819788 BACK nate EYER VOLTAGE T LIGHT PROTECTOR 1 A 5 7 i i 1 7 3 6472 9441 ij 26447 f 0099 2108 d TPCB24 4 H 2 I9 hu gt CURRENT TE 1 CONTROL t i SWITCH ica 8409 2841175 24 i 5P 3KV pw T 155133 t 0443 cass 0 i 2SCa7B5 6 01 155133 EXER VOLTAGE i 0498 100 I 9845 3 5 PROTECTOR 0 MTZJT 776 25 i ES 5813 UN 0 7 c D448 20448 o 440 20446 0 m hue Add TN nr Tun hu 5133 SWITCHING i Em 2 8 6 52 1 j LCD 502785 2 VOLTAGE MODULE PROTECTOR 2 CONTINUE i CONT MAIN 5 5 34 PROTECT 1 INV 2V 210 0 8 4 HEY i 0462 __ i 245786 EVER VOLTAGE PROTECTOR I i A b e Am 1403 0451 INVERTER TRANS 8451 FCAR 503 8214 fue 3 10750 CURRENT 418 NTRUL 1 i E i 2 6 50 TTCH 416 053 50 777 58 Aa m R408 447 309 487 5 ia 418 50 ie i MAIN 1 5 BACKLIGHT SW paag 3 3K 0 wait BACKLIGHT ADJ Ar 9407 2962765 50 81700216 Am JS466 27K 38 8 i M Q wu 0 60v 1 35 5 254950 naoa SWITCHING B407 G403 i SK 10K 25
35. 2SC2785 F QOQSFO2SC2785 CARBON RES J 5 6k Q JATZ0562 RANSISTOR 25 2785 QQSF02SC2785 RES 1 10W J 3 3k O R5Z0332 RANSISTOR 2SC2785 F QQSF02SC2785 RES 140W J 10k R5Z0103 ET MOS SMD TPC8214 H QF2ZTPC8214H CARBON RES 1 4W J 820 JATZ0821 RANSISTOR 25 2785 QQSF02SC2785 CARBON RES 1 4W J 10k IATZ0103 RANSISTOR 25 2785 QQSFO SC2785 CARBON RES 1 4W J 12k Q IATZ0122 RANSISTOR 28C2785 QQSF02SC2785 CHIP RES 1 10W J 1 R5Z01R0 ET MOS 2SK3563 Q QFWZ2SK3563Q CHIP RES 1 10W J 10k Q R520103 RANSISTOR 28C2120 Y TE2 F T QQSY2SC2120F 20070115 14 4 A7140EL Description CHIP RES 1 10W J 33k RRXAJR5Z0333 CARBON RES 1 4W J 390k Q 20394 CARBON RES 1 4W J 680 Q RCOX4JATZ0681 RES 1 4W J 150 Q 20151 CARBON RES 1 4W J 150 RCX4JATZ0151 L OXIDE FILM RES 2W J 0 47 Q RBON RES 1 4W J 150 Q RCX4JATZ0151 ON RES 1 4W J 12k Q CARBON RES 1 4W J 150 RCX4JATZ0151 ON RES 1 4W J 22k Q RBON RES 1 4W J 12k RCX4JATZ0122 RES 1H0W J 100 Q CARBON RES 1 4W J 150 20151 RES 1 10W J 10k Q CHIP RES 1 10W J 10kQ RRXAJR5Z0103 RES 1 10W J 10k CHIP RES 1 10W J 390 RRXAJR5Z0391 ON RES 1 4W J 100 Q CHIP RES 1 10W J 3900 RRXAJR5Z0391 ON RES 1 4W J 100 Q CHIP RES 1 10W J 1k Q RRXAJR5Z0102 RES 1 10W J 75 CHIP RES 1 10W J 10kQ RRXAJR5Z0103 RE
36. 55H XRJ010SNJ05 RES 1 10W J33 RRXAJR5Z0330 RCA JACK AV 4B 56H JXRJ010SNJ02 RES 110WJ33 RRXAJR5Z0330 RCA JACK AV 4B 57H JXRJ010SNJ03 RES 1 10WJ33 RRXAJR5Z0330 RCA JACK WHITE AV 4B 58H WHITE JXRJ010SNJ04 RES 1 10W J 100 Q RRXAJR5Z0101 JK710 RCA JACK AV 4A 57H RED JYRJO10SNJO1 C H CH CHIP RES 1 10W J 10k Q RRXAJR5Z0103 JK801 MINIATURE JACK PB FREE CKX 035 318AZ4 JYSLO10SNJO1 H CHIP RES VIWJ TORR RRXALREZO103 CHP RES VIN J33 0 RRXAURGZUSSD 57 UNPER 005260 Dj 5708 UNPER DOSS Dj CHIP RES 1H0W J 47 Q RRXAJR5Z0470 RES 1608 140W 0 Q RRXAZR5Z0000 CHIP RES 1 10W 470 Q RRXAJR5Z0471 UMPER D0 6 P5 0 JW5 0T CHIP RES 1 10W J 33 Q RRXAJR5Z0330 SCREW B TIGHT D3X8 BIND HEAD GBJB3080 CHIP RES 1 10W J33 Q RRXAJR5Z0330 SURGE ABSORBER 470V 10PER NVQZ10D471KB P P P CHIP RES 1 10W J 56 Q RRXAJH5Z0560 FILTER CERAMIC BAND PASS 456 004 CHIP RES 1H0W J 1MQ RRXAJR5Z0105 SAFHS45M7VAJZOOBOS CHIP RES 1 10W J 33 Q RRXAJR5Z0330 TRANS INVERTER ETJV27ZK27AC LTZ2PCOMS006 CARBON RES TANT AG FIOXAIATZOSSS TRANS INVERTER ETJV27ZK27AG 22 6006 CHIP RES 1608 1 10W 0 O BRXAZHEZODUD TRANS INVERTER ETJV27ZK27AC LTZ2PCOMSO06 CHIP RES 1 10W 0330 RRXAJR5Z0330 TRANS POWER 7709 LTT2PCOKTO 1 HIP RES AOW JAJKO REXAJRSZO472 TUNER UNIT ENV56M07D8F UTUNATSMS001 RES aOW 1000 SRXAJREZOROR XTALOSCILLATOR 27 00MHz 15PPM FXC276LLNOO2 RES 1 0W J 10kQ RRXAJR5Z0103 RES
37. 62788 1 1 SWITCHING 86 A7140SCM4 Main 5 5 Schematic Diagram CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit CAUTION For continued protection against risk of fire NOTE if Main Fuse F601 is blown check to see that all components in the power supply replace only with same type 4A 125V fuse The voltage for parts in hot circuit is measured using circuit are not defective before you connect the AC plug to the AC power supply ATTENTION Utiliser un fusible de rechange de m me type de 4A 125V hot GND as a common terminal Otherwise it may cause some components in the power supply circuit to fail 4 A i wa A 7 7 7 7 7 7 7 7 7 7 7 i es ies I I 1 HOT CIRCUIT CAREFUL 4 9 3 4 9 0905 p 9SCP120 Y ISW 3 3v m HE E E me 5933 0949 33 E ONTSV DIV ONTS 3V gt lt DTV ON BV B932 931 3 0905 8959 8 MIZUT 777 8C AM 2904 HEM ov 5 0 1 BESET 0923 4 3 3 rom E vE i CONTINUE AMAIN 1 58 PANELIS 89 40 2841175 swt3 A MED 55397 18397 2 E 1 2 3 ae 7 9 2785 ETCHING CONTINUE MAIN 3 5 Cbi5
38. AP 47u F 50V M E1JMASDL470 CAP 1608 K 5600pF 50V D1JK30B562 LECTROLYTIC 10uF 50V M JMASDL100 LECTROLYTIC 0 224 F 50V M JMASDLR22 P CHIP 5pF 3KV C XC R C C Ci C C CHD1JK30B102 C C A3FSRO5M016 P CERAMIC CAP 1608 K 0 01 F 50V CHD1JK30B103 P CHIP 5pF 3KV C XC A3F5R05M016 IP CERAMIC CAP 1608 B 0 01uF 50V HD1JK30B103 ECTROLYTIC CAP 10u F 50V M E1JMASDL100 HI CERAMIC CAP 1608 B K 0 01uF 50V HD1JK30B103 LECTROLYTIC CAP 10u F 50V M E1JMASDL100 IP CERAMIC CAP 1608 B K 0 01uF 50V C Ci C Ci C C HD1JK30B103 P METALIZED FILM 0 0684 F 250V J CT2E683MS041 LECTROLYTIC CAP 10uF 50V CE1JMASDL100 P CERAMIC CAP 1608 K 0 01uF 50V CHD1JK30B103 P CHIP 5pF 3KV C XC RAMIC CAP 1608 B K 0 01uF 50V P 5pF C XC 1608 B K 0 01uF 50V 10u F 50V M 1608 K 0 014 F 50V CAP 10u F 50V M RAMIC CAP 1608 K 0 010 F 50V CA3F5RO5M016 CHD1JK30B103 5 05 016 CHD1JK30B103 CE1JMASDL100 CHD1JK30B103 CE1JMASDL100 CHD1JK30B103 CAP METALIZED FILM 0 0684 F 250V J CT2E683MS041 ELECTROLYTIC 10u F 50V C451 C461 CA P CHIP 5pF 3KV C XC RAMIC CAP 1608 B 0 01uF 50V CE1JMASDL100 CA3F5RO5M016 CHD1JK30B103 P CHIP 5pF 3KV C XC CA3F5RO5M016 CERAMIC CAP 1608 B K 0 01uF 50V
39. AP B K 1500pF 50V CHD1JK30B152 CHIP CERAMIC 1608 F Z 0 1uF 25V D1EZ30F104 C CAP B K 1500pF 50V CHD1JK30B152 ELECTROLYTIC 1004 F 16V CMASDL101 CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 CHIP CERAMIC CAP 1608 F Z 0 1uF 25V D1EZ30F104 CAP 2204uF 16V CE1CMASDL221 ELECTROLYTIC 1004 F 16V CAP 220uF 16V CE1CMASDL221 CHIP CERAMIC CAP 1608 CH J 100pF 50V D1JJ3C C CAP 100 F 50V CE1JMASDL100 CHIP IC 1608 B K 0 01uF 50V D1JK30 CAP FZ tuF 10V CHD1AZ30F105 CHIP CEI 1608 F Z 0 1 F 25V D1EZ30l CAP F Z tuF 10V CHD1AZ30F105 CHIP 1608 F Z 0 1uF 25V D1EZ30F C 10u F 50V CE1JMASDL100 ELECTROLYTIC 47u F 16V M CMASD CAP 2 2uF 50V M CE1JMASDL2R2 CHIP CEI 1608 F Z 0 1uF 25V D1EZ30F C CAP 47uF 16V M CE1CMASDL470 ELECTR CAP 47uF 16V M CMASD IC CAP F Z 1uF 0V CHD1AZ30F105 CHIP CAP 1608 F Z 0 1uF 25V D1EZ30l C CAP F Z tuFA0V CHD1AZ30F105 ELECTR CAP 470uF 16V CE1CMASDL471 CHIP C CAP 1608 B K 0 01uF 50V E HD1JK30B103 C CAP CH J 680pF 50V CHD1JJ3CH681 CHIP CE CAP 1608 K 0 1uF 50V E R HD1JK30B104 HD1JJ3CH331 E1CMASDL470 HD1EZ30F104 HD1EZ30F104 HD1EZ30F104 E1CMASDL470 HD1EZ30F104 E1CMASDL470 HD1JJ3CH470 CAP CH J 680pF 50V CHD1JJSCH681 CHIP CI CH J 330pF 50V CAP 1608 F Z 0 14 F 25V CHD1EZ30F104 ELECTROL
40. CHD1JK30B103 ELECTROLYTIC 10uF 50V CE1JMASDL100 CH P CERAMIC CAP 1608 B 0 01uF 50V CHD1JK30B103 ELECTROLYTIC 10uF 50V M CE1JMASDL100 IP CERAMIC CAP 1608 K 0 01uF 50V CHD1JK30B103 P METALIZED FILM 0 0684 F 250V J CT2E683MS041 ELECTROLYTIC 10u F 50V M CE1JMASDL100 ELECTROLYTIC 10u F 50V M CE1JMASDL100 TALIZED FILM CAP 0 22 F 250V CT2E224MS037 RAMIC CAP 1000pF 2KV CA3D102PANO4 FILI M CAP P 0 027uF 50V J CA1J273MS029 FILM CAP P 0 068yF 50V J CMA1JJS00683 FILI M CAP P 0001uF 50V J CA1J102MS029 P ELE LS 270uF 200V M 85 CA2D271V8006 SAI FETY CAP 4700pF 250V KX CA2E472MRO050 CE CAP AX B K 0 00154 F 50V CA1J152TU011 CH IP CERAMIC CAP 1608 F Z 0 1uF 25V HD1EZ30F104 CH IP CERAMIC 1608 CH J 100pF 50V J3CH101 CH P CERAMIC CAP B K 1500pF 50V K30B152 CH IP CERAMIC F Z 1uF 10V AZ30F P CERAMIC CAP K 1500pF 50V K30B1 CH P CERAMIC CAP F Z 1uF 10V AZ30F P CERAMIC CAP 1608 CH J 100pF 50V J3CH101 CH IP CERAMIC CAP F Z 1uF 10V AZ30F105 CH P CERAMIC CAP F Z 1uF 10V AZ30F105 A7140EL Description Ref No Description Part No IC C
41. ECTROLYTIC 0 47uF 50V M CE1JMASDLR47 HIP CERAMIC CAP 1608 K 0 01u F 50V CHD1JK30B103 JUMPER D0 6 P5 0 CERAMIC CAP CH D 5pF 50V CHD1JD3CH5RO ERAMIC CAP AX CH K 2 7pF 50V CCA1JKTCH2R7 HIP CERAMIC CAP 1608 CH J 33pF 50V CHD1JJ3CH330 LECTROLYTIC CAP 100uF 10V CE1AMASDL101 LECTROLYTIC 47u F 50V M CE1JMASDL470 HIP CERAMIC CAP 1608 K 1000 50 CHD1JK30B102 HIP CERAMIC CAP 1608 F Z 0 1u F 25V CHD1EZ30F104 HIP CERAMIC CAP 1608 CH J 33pF 50V CHD14JJ3CH330 LECTROLYTIC 10004 F 6 3V M CEOKMASDL102 HIP CERAMIC CAP 1608 J 47pF 50V CHD1JJ3CH470 HIP CERAMIC 1608 J 47pF 50V CHD1JJ3CH470 PCE C CAP F Z 1uF 10V CHD1AZ30F105 P CE IC CAP F Z 1tuF 10V CHD1AZ30F105 P CERAMIC CAP 1608 Z 0 1uF 25V CHD1EZ30F104 P CERAMIC CAP 1608 CH J 33pF 50V 20070115 CHD14JJ3CH330 14 1 Ref Description Part No CH IP RES 1608 1 10W 0 RXAZR5Z0000 CH IP CERAMIC CAP CH J 330pF 50V HD1JJ3CH331 CH IP CERAMIC CAP CH J 330pF 50V HD1JJ3CH331 CH IP CERAMIC CAP 1608 B K 1000pF 50V HD1JK30B102 CH IP CEI IC CAP CH J 220pF 50V HD1JJ3CH221 CAP 100 F 50V M E1JMASDL100 CAP 1608 K 1000pF 50V C
42. F02SC2785 PHOTOCOUPLER LTV 817C F NPECOLTV817F 25 2120 2 FT QQSY2SC2120F C AUDIO SA7412 NSZBA0SQ0007 R2SC2120 Y TE2 F T QQSY2SC2120F IC MTS DECORDER AN5832SA E1V QSZBAOTMS003 R 2SC2120 Y TE2 QQSY28C2120F SWITCHING TC4052BF ELNF QSZBAOTTS162 2SA1175 QQSF02SA1175 VOLTAGE REGULATOR LD1117SC R NSZBA0TSS229 R2SC2785 QQSF02SC2785 VOLTAGE REGULATOR PQ070XF01SZH QSZBA0SSH054 R2SC2785 QQSF02SC2785 VOLTAGE REGULATOR 5V 7805 NSZBAOSJYO41 R 25 2785 QQSF028C2785 DVP V6 R8A02030A91 FP RFOZ QSZAAORHT155 R 25 2785 QQSF02SC2785 BR24L64F WE2 QSZBAOTRMO71 28C2785 F QQSF02SC2785 COILS 254950 QQSY02SA950F L21 JUMPER DO 6 P5 0 JW5 0T 25 2785 QQSF02SC2785 L22 NDUCTOR 1501H J 26T LLAXJATTU151 R2SA1175 QQSF02SA1175 L31 PCB JUMPER 00 6 5 0 JW5 0T 28C2120 Y TE2 F T QQSY2SC2120F L32 INDUCTOR 18uH J 26T LLAXJATTU180 R 2SC2785 F QQSFO2SC2785 L61 PCB JUMPER 00 6 5 0 JW5 0T 25 1175 QQSF02SA1175 L63 PCB JUMPER D0 6 P5 0 JW5 0T 25 2785 QOQSF028C2785 66 L INDUCTOR CHIP LK16081ROK T 1 04H LLACKB3TU1RO 28C2785 F QQSF02SC2785 RESISTORS CHIP 1608 1 10W 0 Q RRXAZR5Z0000 CHIP RES 1608 1 10W 0 Q RRXAZR5Z0000 Bet PCB JUMPER D0 6 P5 0 JWS OT R24 25 P26 8 1 4 100 ROxaTzow PCB JUMPER D0 6 P5 0 JW50T INDUCTOR 1 04 26 LLAXJATTUO10 Ras CHIP RES 110100 RXAJRSZ0101 R42 INDUCTOR 1 01 H J 26T LLAXJATTUO10 CHIP RES 1 10W J 220 Q RXAJR5Z
43. FR202 Q Q Q Q Q Q Q N Ql QI Q N QI N olo zizizizio olo o o SWITCHING SWITCHING DI SWITCHING D SWITCHING DI SWITCHING D SWITCHING DI SWITCHING D 8133 T 77 DTZ001SS133 BARRIER DIODE 210004 DQZ0021DQ04 ZENER DIODE MTZJT 776 2B DTBOMTZJ6R2 DE MTZJT 777 5C DTCOMTZJ7R5 ZENER DIODE MTZJT 7710B DTBOOMTZJ10 SCHOTTKY BARRIEA DIODE 11EQS04 042011 0504 ZENER DIODE MTZJT 775 6B DTBOMTZJSR6 DIODE FR154 DLZOOO0FR154 LE DIODE MTZJT 775 6B DTBOMTZJ5R6 DIODE 17 43 0 D421 ING DIODE 1SS133 T 77 DTZ001SS133 D911 KY BARRIER DIODE SB240 B P DQZ000SB240 D422 HING DIODE 1SS133 T 77 DTZ001SS133 D913 DIODE FR104 B DLZ000FR104 D423 HING DIODE 155133 77 DTZ001SS133 D914 SWITCHING DIODE 156133 77 007200155133 0424 HING DIODE 1 133 1 77 007200155133 0915 SWITCHING DIODE 1SS133 T 77 007200155133 0425 T DIO pe 188133 77 007200185133 0916 IC SHUNT REGULATOR 431 NSZBAOTJY036 D917 SWITCHING DIODE 1SS133 T 77 007200155133 0427 uc DIOI 1S8133 T77 007200155133 0919 SWITCHING DIODE 1SS133 T 77 007200155133 0428 HING DIODE 1SS133 T 77 007200155133 D920 IC SHUNT REGULATOR 431 NSZBAOTJY036 Q D429 HING DIODE 1SS133 T 77 07200155133 0921 ZENER DIODE MTZJT 775 6C QDTCOMTZJ5R6 0430 HING DIODE 1SS133 F77 DTZ00188133 D922 ZENER DIODE MTZJT 775 6C QDTCOMTZJ5R6 DIODE 1SS133 T 77 DTZ001SS133 IC SHUNT
44. Q RW031R2PG007 CHIP RES 140W J 1kQ RBON RES 1 4W J 390k RCX4JATZ0394 CARBON RES 1 4W J 12k Q RBON RES 1 4W J 390k RCX4JATZ0394 CHIP RES 140W J 12k Q RBON RES 1 4W J 390k RCX4JATZ0394 CHIP RES 1 10 J 15k RXAJR5Z0152 RBON RES 1 4W J 180 0 RCX4JATZ0181 CHIP RES 1 10 J 100k RXAJR5Z0104 RBON RES 1 4W J 220 0 RCX4JATZ0221 CARBON RES 1 4W J 100k 2 RCX4JATZ0104 17 2 2 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0104 R5Z0102 20123 RXAJR5Z0123 gt U v v vu ONO v v 00 0 o m gt Bl Dl gt zi gt Vl zi mi gt gt Bl Al Zl zl gt 20070115 14 5 A7140EL Description A Ref No Description Part No RES 110W J 22k Q RRXAJR5Z0222 CARBON RES 1 4W J 1k RCX4JATZ0102 RES 1 10W J 100 Q RRXAJR5Z0101 PCB JUMPER D0 6 P5 0 JW5 0T RES 1 10W J 100 Q RRXAJR5Z0101 L OXIDE FILM RES 1W J 0 39 RN01R39ZU001 RES 1 10W J 3 3k RRXAJR5Z0332 RES 110W F 33k Q RXAFR5H3301 RES 1 10W J 180k RRXAJR5Z0184 RES 1 10W F 6 8k Q RXAFRSH6801 RES 1 10W J 22kQ RRXAJR5Z0223 ON RES 1 4W J 10k Q IATZ0103 ON RES 1 4W 330 RCX4JATZO3R3 RES 110W J 1kQ R5Z0102 L OXIDE FILM RES 2W J 560 RNO25R6ZU001 RES 110W J 3 3k Q
45. S 1 10W J 22k Q CHIP RES 1 10W J 10kQ RRXAJR5Z0103 RES 1 10W J 22k Q CHIP RES 1 10W J 1k Q RRXAJR5Z0102 RES 1 10W J 75 Q CHIP RES 1 10W J 10k Q RRXAJR5Z0103 RES 1 10W J 75 Q CHIP RES 1 10W J 22 Q RRXAJR5Z0220 RES 1 10W J 100 Q CHIP RES 110W J 22 Q RRXAJR5Z0220 RES 110W J 75 Q CHIP RES 1 10W J 4 7k Q RRXAJR5Z0472 RES 1 10W J 100 Q CHIP RES 1 10W J 47k Q RRXAJR5Z0472 RES 140W J 100 Q CHIP RES 1 10W J 10k Q RRXAJR5Z0103 RES 110W J 75 Q CHIP RES 110W J 10k Q RRXAJR5Z0103 RES 110W J 75 Q CHIP RES 1 10W J 15k Q RRXAJR5Z0153 RES 1 10W J 22k Q CHIP RES 1 10W J 2 2k Q RRXAJR5Z0222 CHIP RES 1 10W J 22k Q CHIP RES 1 10W J 10k Q RRXAJR5Z0103 CHIP RES 1608 1 10W 0 Q CHIP RES 1 10W J 10k Q RRXAJR5Z0103 CHIP RES 1608 1 10W 0 Q RXAZR5Z0000 CHIP RES 1 10W J 3 3k Q RRXAJR5Z0332 CHIP RES 1 10 J 3 9k Q RXAJR5Z0392 H R441 CHIP RES 1 10W J390 0 RRXAJR5Z0391 REA REA R5Z0101 R5Z0103 R5Z0103 ATZ0101 ATZ0101 R5Z0750 R5Z0223 R5Z0223 R5Z0750 R5Z0750 R5Z0101 R5Z0750 R5Z0101 R5Z0101 R5Z0750 R5Z0750 R5Z0223 R5Z0223 RXAZR5Z0000 gt v o o 5 2 2 2 212 445 CH R446 CHIP RES 1 10W J 10k Q RRXAJR5Z0103 CHIP RES 1 10W J 47k O RXAJR5Z0472 R447 CHIP RES 110W J22 0 RRXAJR5Z0220 R810 CHIP RES 1 10W J 10k Q RXAJR5Z0103 R448 CHIP RES 110W J22 RRXAJR5Z0220 R811 CARBON RES 1 4W J 10k Q C
46. S 1 10W J 56 Q RXAJR5Z0560 RES 1 10W F 10k Q RRXAFR5H1002 RES 1 10W J 56 Q RXAJR5Z0560 RES 1 10W F 6 8k RRXAFR5H6801 RES 1 10W J 56 RXAJR5Z0560 RES 1 10W F 6 8k RRXAFRSH6801 RES 1 10W J 56 RXAJR5Z0560 RES 1 10W F 5 6k RRXAFR5H5601 RES 1 10W J 56 Q RXAJR5Z0560 RES 1 10W F 5 6k RRXAFRSH5601 RES 1 10W J 56 Q RXAJR5Z0560 RES 1 10W F 300 RRXAFR5H3000 RES 1 10W J 56 Q RXAJR5Z0560 RES 1 10W F 300 RRXAFRSH3000 RES 1 10W J 56 Q RXAJR5Z0560 RES 1 10W F 300 RRXAFR5H3000 RES 1 10W J 56 Q RXAJR5Z0560 RES 1 10W F 300 RRXAFR5H3000 RES 1 10W J 56 Q RXAJR5Z0560 RBON RES 1 4W J 22 0 RCXAJATZ0220 RES 140W F 10k RXAFRSH1002 P RES 1 10W J 68 RRXAJR5Z0683 RES 1 10W J tk RXAJR5Z0102 P RES 1 10W J k Q RRXAJR5Z0102 RES 1 10 560 RXAJRSZ0560 RBON RES 1 4W J 47 RCX4JATZ0470 RES 140W J 56 0 RXAJRSZ0560 Dl Bl s 2 p m z mimizimizmimimimimimimimimizimizmimimimimimimizmiuizm gt 20070115 14 6 A7140EL Description Ref Description Part No RES 1 10W J 56 Q RRXAJR5Z0560 CHIP RES 140W J 1k Q RRXAJR5Z0102 RES 1 10W J 56 Q RRXAJR5Z0560 CHIP RES 1 40W J 10k RRXAJR5Z0103 RES 1 10W J 56 0 RRXAJR5Z0560 MISCELLANEOUS RES 1 10W 1560 RRXAJR5Z0560 AC CORD A0A0280 007 WAC0172LTE04 RES 1 10
47. SSEMBLY 4PIN SW 20V 4 128 WX1A7140 001 IR SENSOR CBA Description IR SENSOR CBA Consists of the following CAPACITOR 01142 ELECTROLYTIC CAP 2 2uF 50V M H7 CE1JMAVSL2R2 RESISTOR R1143 CARBON RES 1 4W J 120 Q RCX4JATZ0121 MISCELLANEOUS CL1104 5PIN SENSOR 20 5PIN 1 7140 002 RV1142 REMOCON RECEIVE UNIT KSM 602SR2E 2 USESJRSKK045 JUNCTION A CBA Description JUNCTION A CBA Consists of the following MISCELLANEOUS WIRE ASSEMBLY 2PIN SPEAKER 20V 2PIN WX1A7140 007 230MM JUNCTION B CBA Description JUNCTION B CBA Consists of the following MISCELLANEOUS WIRE ASSEMBLY 2PIN SPEAKER 20V 2 WX1A7140 007 230MM 20070115 14 8 A7140EL 2007 Funai Electric Co Ltd All rights reserved No part of this manual may be reproduced copied transmitted disseminated transcribed downloaded or stored in any storage medium in any form or for any purpose without the express prior written consent of Funai Furthermore any unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited Information in this document is subject to change without notice Funai reserves the right to change the content herein without the obligation to notify any person or organization of such changes FUNAI with the design is a registered trademark of Funai Electric C
48. STAND COVER A7140UH 1 021662 A7140UH 1 424251 TAND RUBBER FOOT L4300UA 1EM422534 PEAKER HOLDER A7120UH 1EM423986 S S TILT STAND HOLDER A7140UH S 1EM322402 TAND HOLDER L2500UA 1EM321428 B2 B3 B22 CLOTH 10X90XT1 0 A7120UH 1EM424258 B31 CLOTH 15X40XTO 5 A7140UH 1EM424366 CL1401 WIRE ASSEMBLY 35PIN FFC 35PIN 85MM CL1402 WIRE ASSEMBLY FFC 33PIN 85MM SCREW P TIGHT M3X8 BIND HEAD WX1A7140 006 WX1A7140 005 GBJP3080 SCREW P TIGHT 3X10 BIND HEAD GBHP3100 SCREW P TIGHT M4X18 BIND HEAD GBHP4180 SCREW P TIGHT 3 10 WASHERHEAD GCJP3100 SCREW P TIGHT 3X14 WASHER HEAD GCJP3140 SCREW S TIGHT M3X8 BIND HEAD GBHS3080 SCREW S TIGHT M3X8 BIND HEAD GBJS3080 DOUBLE SEMS SCREW M4X12 BLAK FPH34120 SCREW B TIGHT 4 8 BIND HEAD BLK GBHB4080 LCD MODULE LC5 20INCH UF200XA SPEAKER S0407F10 DSD0807XQ002 SPEAKER S0407F10 DSD0807XQ002 PACKING CARTON A7140UH 1EM424243 STYROFOAM TOP A7140UH 1 021668 STYROFOAM BOTTOM A7140UH 1 021673 SET BAG L0301UB 1EM320014A SERIAL NO LABEL L9750UA ACCESSORIES BAG POLYETHYLENE 235 365 0 03 0 408420 OWNERS MANUAL A7140UH 1EMN22073 REMOTE CONTROL NF600UD 170ECNLC501 NF600UD NF600UD DRY BATTERY R6UW 2S 20070115 XBOM311MS001
49. SYL VANIA SERVICE MANUAL 20 COLOR LCD TELEVISION LC200SL8 IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe reliable operation of all Funai Equipment The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations Some of these service special tools should be used when and as recommended It is important to note that this service manual contains various CAUTIONS and NOTICES which should be carefully read in order to minimize the risk of personal injury to service personnel The possibility exists that improper service methods may damage the equipment It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE Funai could not possibly know evaluate and advice the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way Consequently Funai has not undertaken any such broad evaluation Accordingly a servicer who uses a service procedure or tool which is not recommended by Funai must first use all precautions thoroughly so that neither his safety nor the safe operation of the equipment will be jeopardized by the service method selected TABLE OF CONTENTS ui ey ee CE dee ee 1 1 Important Safety Precautions s sro Cum me tie Cnr
50. TV On Signal 2 at High GND VOLUME Volume Control Signal Output Not Used VDD 1 2V 1 2V VDD Not Used VDD 1 2V 1 2V VDD Not Used VGH H VGH Signal at High DTV Pr Signal Input P ON H Power On Signal at High Not Used REMOTE Remote Control Signal Input BUS OPEN Chip select SCL Serial Clock SDA Serial Data NU Not Used NU Not Used NU Not Used NU Not Used NU Not Used Crystal Oscillation Input 27 2 VIDEO Pr Component Video Pr Signal Input RF CVBS Composite Video Signal Input AVDDC 3 3V VDD AVSSC GND NU Not Used VIDEO IN1 Composite Video Signal Input NU Not Used DTV Y DTV Y Signal Input Not Used Component Video Y Signal Input A7140PIN No Signal Name Function Signal Name Function 76 S VIDEO Y Luminance Signal Input VSS GND 77 AVDDA 3 3V VDD VSS GND 78 VSS GND VSS GND 79 VDD 3 3V 3 3V VDD LPF Panel Clock PLL Filter 80 VSS GND RSPI Reference Terminal 81 VSS GND NU Not Used 82 VDD 3 3V 3 3V VDD CLKL Clock Signal Output 83 VDD 3 3V 3 3V VDD OBIS Pixel Data Output OB 84 NU Not Used OBI4 Pixel Data Output
51. W J 56 Q RRXAJR5Z0560 POW HEAT SINK A7120UH 1 423993 RES 1 10W J 56 Q RRXAJR5Z0560 BEADS INDUCTOR FBRO7HA121SB 00 LLBFOOSTUO30 RES 1 10W J 56 0 RRXAJR5Z0560 BEADS INDUCTOR FBRO7HA121SB 00 LLBFOOSTUOSO RES 110W J 56 Q RRXAJR5Z0560 PCB JUMPER 00 6 5 0 JW5 0T RES 1 10W J 1k Q RRXAJR5Z0102 NDUCTOR FBRO7HA121SB 00 LLBFOOSTUOSO RES 1 10W J 22k RRXAJR5Z0223 NDUCTOR FBRO7HA121SB 00 LLBFOOSTUOSO RES 1 10W J 56 Q RRXAJR5Z0560 NDUCTOR FBRO7HA121SB 00 LLBFOOSTUOSO P RES 1 10W J56 Q RRXAJR5Z0560 NDUCTOR FBRO7HA121SB 00 LLBFOOSTUOSO P RES 1 10W J 56 Q RRXAJR5Z0560 NDUCTOR FBRO7HA121SB 00 LLBFOOSTUOSO P RES 1 10W J56 Q RRXAJR5Z0560 FILTER SFSRA4MS50CF00 BO 455 004 P RES 1 10W J 56 Q RRXAJR5Z0560 FUSE STC4A125V U CT PAGE20CW3402 P RES 1 10W J 56 Q RRXAJR5Z0560 FUSE HOLDER MSF 015 LF B110 012001 002 P RES 1H0W J 56 Q RRXAJR5Z0560 FUSE HOLDER MSF 015 LF B110 0127001 002 P RES 1 10W J 56 Q RRXAJR5Z0560 GAP FNR G3 10D FAZOOOLD6005 P RES 1 10W J 56 0 RRXAJR5Z0560 JACK YKF51 5646N JYEJ040JC001 P RES 1 10W J 56 Q RRXAJR5Z0560 RCA JACK AV 4B 54H YELLOW IXRJ010SNJ01 P P P P P P P O O O SG O O OSO GIO OSO O S OSO SO I O RES 1 10WJ56 0 RRXAJR5Z0560 RCA JACK WHITE AV 4B 68H WHITE XRJ010SNJ04 RES 1 10W J 56 RRXAJR5Z0560 RCA JACK AV 4A 57H RED YRJO10SNJO1 RES 1 10W J56 RRXAJRSZO560 RCA JACK AV 4B
52. X4JATZ0103 449 CH U U v RES 1 10W J 47k RRXAJR5Z0472 R812 CHIP RES 1 10W J 4 7k Q 520472 R450 CHIP RES 1 10W J 47k Q RRXAJR5Z0472 R813 CHIP RES 1 10W J 47k RXAJR5Z0473 R451 CH RES 1 10W J 10kQ RRXAJR5Z0103 CHIP RES 1 10W J 22k Q 520223 RES 1 10W J 10kQ RRXAJR5Z0103 CARBON RES 1 4W J 180 0 ATZ0181 RES 1 10W J 10k RRXAJR5Z0103 RES 1 10W J 22k Q R5Z0223 RES 1 10W J 10kQ RRXAJR5Z0103 RES 1 10W J 47k R5Z0473 RES 1 10W J 10k RRXAJR5Z0103 RES 1 10W J 82k Q R5Z0822 RES 1 10W J 390 RRXAJR5Z0391 CARBON RES 1 4W J 180 Q ATZ0181 RES 1 10W J 390 0 RRXAJR5Z0391 CHIP RES 1 10W J 100k R5Z0104 RES 1 10W J 1k Q RRXAJR5Z0102 PCB JUMPER 00 6 5 0 RES 1 10W J 10kQ RRXAJR5Z0103 CHIP RES 1 10W J 100k Q RES 1 10W J 1k Q RRXAJR5Z0102 CHIP RES 1 10W J 100k Q RES 1 10W J 10kQ RRXAJR5Z0103 CHIP RES 1 10W J 100k Q RES 1 10W J 22 Q RRXAJR5Z0220 CHIP RES 1 10W J 100k Q RES 1 10W J 22 Q RRXAJR5Z0220 CHIP RES 1 10W J 100k Q RES 1 10W J 47k RRXAJR5Z0472 CHIP RES 1 10W J 100k RES 1H0W J 47k Q RRXAJR5Z0472 CHIP RES 1 10W J 100k Q RES 1 10W J 10kQ RRXAJR5Z0103 CHIP RES 1 10W J 100k Q RES 1 10W J 10kQ RRXAJR5Z0103 CHIP RES 1 10 J 100k Q RES 1 10W J 10kQ RRXAJR5Z0103 CHIP RES 1 10W J 100k Q RES 1 10W J 100 RRXAJR5Z0101 CHIP RES 1 10 J 100k RES 1 10W J 10kQ RRXAJR5Z0103 CHIP RES 1 10W J 100k Q RES 1 10W J 10kQ RRXAJR5Z0103 CHIP RES 1 10 J 100k Q MENT RES 1 2
53. YTIC CAP 47u F 16V M CAP 10uF 50V CE1JMASDL100 CHIP CERAMIC CAP 1608 Z 0 1uF 25V CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 CHIP CERAMIC CAP 1608 Z 0 1uF 25V E Ri mi ojojo mjiojo mim mjoj o m m m oj oj o CAP CH J 180pF 50V CHD1JJ3CH181 CHIP C CAR 1608 F Z 0 1 F 25V CAP 1608 F Z 0 1 F 25V CHD1EZ30F104 ELECTROLYTIC CAP 474 F 16V M CAP 1608 Z 0 1uF 25V CHD1EZ30F104 CHIP CERAMIC CAP 1608 Z 0 1uF 25V CERAMIC CAP AX Z 0 1u F 50V CCA1JZTFZ104 ELECTROLYTIC CAP 47uF 16V M ELECTROLYTIC CAP 2 2uF 50V M CE1JMASDL2R2 CHIP CERAMIC CAP 1608 CH J 47pF 50V CAP 1608 B K0 1uF 50V CHD1JK30B104 1320 CHIP CERAMIC CAP 1608 CH J 47pF 50V HD1JJ3CH470 CHIP CERAMIC CAP 1608 B K 0 1uF 50V CHD1JK30B104 C1321 CHIP CERAMIC CAP 1608 CH J33pF 50V CHD1JJ8CH330 1608 C1322 CHIP CERAMIC CAP 1608 CHJ33pF s0V CHD1JJ3CH330 C857 ELECTROLYTIC 2 24F 50V M CE1JMASDL2R2 C1323 C1324 ELECTROLYTIC 100uF 16V M CE1CMASDL101 C1331 CHIP CERAMIC CAP 1608 FZ 0 1uF 25V CHD1EZ30F104 C860 ELECTROLYTIC CAP 10uF 50V M CE1JMASDL100 C1332 ELECTROLYTIC 47F 16VM CETCMASDL470 C1335 CHIP CERAMIC 1608 BK 0 1uF 50V CHD1JK30B104 C865 CHIP CERAMIC CAP 1608 B K 0 1uF 50V CHD1JK30B104 C1336 CHIP CERAMIC CAP 1608 F Z 0 1uF 25V CHD1EZ30F104 1337 CHIP CERAMIC CAP 1608 BK 0 1uF 50V CHD1JK30B104
54. atures are identified by the mark in the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these drawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared All resistance values are indicated in ohms 103 M 10 Resistor wattages are 1 4W or 1 6W unless otherwise specified All capacitance values are indicated in uF P 1079 uF All voltages are DC voltages unless otherwise specified Note of Capacitors Mylar Cap Metallized Film Cap SC Semiconductor Cap L Low Leakage type Temperature Characteristics of Capacitors are noted with the following 10 CH 0 60ppm C CSL 350 1000 Tolerance of Capacitors are noted with the following Z 80 20 Note of Resistors CEM Cement Res MTL Metal Res F Fuse Res Capacitors and transistors are represented by the following symbols CBA Symbols Top View Bottom View Schematic Diagram Symbols Digital Transistor Electrolytic Capacitor Bottom View E C B Transistor or Digital Tran
55. eference only Be sure to confirm the precise values 2 4 LTVN ISP STANDARD NOTES FOR SERVICING How to Remove Install Flat Pack IC Circuit Board Indications 1 The output pin of the 3 pin Regulator ICs is indicated as shown Bottom View 2 For other ICs pin 1 and every fifth pin are indicated as shown 5 0 OD 10 Top View LIS 3 The 1st pin of every male connector is indicated as shown Pb Lead Free Solder Pb free mark will be found on PCBs which use Pb free solder Refer to figure For PCBs with Pb free mark be sure to use Pb free solder For PCBs without Pb free mark use standard solder 2 Pb free mark 1 Removal With Hot Air Flat Pack IC Desoldering Machine 1 Prepare the hot air flat pack IC desoldering machine then apply hot air to the Flat Pack IC about 5 to 6 seconds Fig S 1 1 Remove the flat pack IC with tweezers while applying the hot air Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 Release the flat pack IC from the CBA using tweezers Fig S 1 6 CAUTION 1 The Flat Pack IC shape may differ by models Use an appropriate hot air flat pack IC desoldering machine whose shape matches that of the Flat Do n
56. ermally hot parts be sure that leads and components do not touch thermally hot parts c the AC supply d high voltage and e antenna wiring Always inspect in all areas for pinched out of place or frayed wiring Check AC power cord for damage Components parts and or wiring that appear to have overheated or are otherwise damaged should be replaced with components parts or wiring that meet original specifications Additionally determine the cause of overheating and or damage and if necessary take corrective action to remove any potential safety hazard Product Safety Notice Some electrical and mechanical parts have special safety related characteristics which are often not evident from visual inspection nor can the protection they give necessarily be obtained by replacing them with components rated for higher voltage wattage etc Parts that have special safety characteristics are identified by A on schematics and in parts lists Use of a substitute replacement that does not have the same safety characteristics as the recommended replacement part might create shock fire and or other hazards The product s safety is under review continuously and new instructions are issued whenever appropriate Prior to shipment from the factory our products are strictly inspected to confirm they comply with the recognized product safety and electrical codes of the countries in which they are to be sold However in order to maintain suc
57. etm nm ett e od e tI Pas 2 1 Standard Notes for Servicing enero tree temm Dae a Pade wae due Hae 3 1 Cabinet Disassembly Instructions 2 0 00 iilii hh hr 4 1 Electrical Adjustment Instructions 2 0 IR y utn 5 1 How to initialize the LCD Television 6 1 Block DIAgrIams s eoe cy e ue eem daa Bale GC PUPA ERG 7 1 Schematic Diagrams CBA s and Test 8 1 e E 9 1 Wiring Diagram a PLE 10 1 IC Pin Function Descriptlons rte ama anal ua 11 1 Exploded VISWS doors eee oet tc Dee 12 1 Mechanical Parts Llst D eee hea Rt germ eee ge via e PERLE RE RIPE re ege dia 13 1 Electrical Parts EISE un rie p ppp aene eerte E Geter PE dE EP AS 14 1 The LCD panel is manufactured to provide many years of useful life Occasionally a few non active pixels may appear as a tiny spec of color This is not to be considered a defect in the LCD screen SPECIFICATIONS lt TUNER gt VHF UHF Input 75 ohm Unbal F type Intermediate Freq Picture 45 75 MHz Sound 41 25 MHz Description Condition Nominal 1 Video S N 80dB 2 Audio S N 80dB lt LCD PANEL gt Description Condition Unit Nominal Horizontal pixels 640 x 3 1 Number of Pixels Vertical pixels 480 Horizontal 9
58. f position measure from a known earth ground metal water pipe conduit etc to all exposed metal parts of the instrument antennas handle brackets metal cabinet screw heads metallic overlays control shafts etc especially any exposed metal parts that offer an electrical return path to the chassis Any current measured must not exceed 0 5 milli ampere Reverse the instrument power cord plug in the outlet and repeat the test READING SHOULD NOT BE ABOVE 0 5 mA Bos LEAKAGE DEVICE CURRENT BEING TESTER TESTED TEST ALL EXPOSED METAL SURFACES ALSO TEST WITH PLUG REVERSED USING AC ADAPTER PLUG AS REQUIRED ANY MEASUREMENTS NOT WITHIN THE LIMITS SPECIFIED HEREIN INDICATE A POTENTIAL SHOCK HAZARD THAT MUST BE ELIMINATED BEFORE RETURNING THE INSTRUMENT TO THE CUSTOMER OR BEFORE CONNECTING THE ANTENNA OR ACCESSORIES Read and comply with all caution and safety related notes on or inside the receiver cabinet on the receiver chassis or on the Liquid Crystal Panel LTVN ISP 3 Design Alteration Warning Do not alter or add to the mechanical or electrical design of this TV receiver Design alterations and additions including but not limited to circuit modifications and the addition of items such as auxiliary audio and or video output connections might alter the safety characteristics of this receiver and create a hazard to the user Any design alterations or additions will void the manufacturer s warranty and
59. ged lines 1 D3 L Distinction Area Line Number 1 to 3 digits Examples d 1 1 D3 means that line number 1 goes to the line number 1 of the area D3 2 1 B1 means that line number 1 goes to the line number 1 of the area 6 Test Point Information D Indicates a test point with a jumper wire across a hole in the PCB Used to indicate a test point with a component lead on foil side gt e Used to indicate a test point with no test pin Used to indicate a test point with a test pin 8 2 LC4N_SC Main 1 5 Schematic Diagram LCD RGB SIGNAL PROCESS LCD DRIVE CIRCUIT VIDEO SIGNAL PROCESS AVDOB 161205 BAF 8 3 VOLTAGE CHART CN1201 A7140SCM1 Main 2 5 Schematic Diagram
60. h compliance it is equally important to implement the following precautions when a set is being serviced LTVN_ISP Precautions during Servicing A Parts identified by the A symbol are critical for safety Replace only with part number specified In addition to safety other parts and assemblies are specified for conformance with regulations applying to spurious radiation These must also be replaced only with specified replacements Examples RF converters RF cables noise blocking capacitors and noise blocking filters etc Use specified internal wiring Note especially 1 2 3 Wires covered with PVC tubing Double insulated wires High voltage leads Use specified insulating materials for hazardous live parts Note especially 1 2 3 4 Insulation Tape PVC tubing Spacers Insulators for transistors When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before soldering Observe that the wires do not contact heat producing parts heat sinks oxide metal film resistors fusible resistors etc Check that replaced wires do not contact sharp edged or pointed parts When a power cord has been replaced check that 5 6 kg of force in any direction will not loosen it Also check areas surrounding repaired locations Use care that foreign objects screws solder droplets etc do not remain inside the set Crimp type wire con
61. inet openings through which an adult or child might be able to insert their fingers and contact a hazardous voltage Such openings include but are not limited to 1 spacing between the Liquid Crystal Panel and the cabinet mask 2 excessively wide cabinet ventilation slots and 3 an improperly fitted and or incorrectly secured cabinet back cover Antenna Cold Check With the instrument AC plug removed from any AC source connect an electrical jumper across the two AC plug prongs Place the instrument AC switch in the on position Connect one lead of an ohmmeter to the AC plug prongs tied together and touch the other ohmmeter lead in turn to each tuner antenna input exposed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2 megohm an abnormality exists that must be corrected before the instrument is returned to the customer Repeat this test with the instrument AC switch in the off position d Leakage Current Hot Check With the instrument completely reassembled plug the AC line cord directly into a 120 V AC outlet Do not use an isolation transformer during this test Use a leakage current tester or a metering system that complies with American National Standards Institute ANSI C101 1 Leakage Current for Appliances and Underwriters Laboratories UL 1410 50 7 With the instrument AC switch first in the on position and then in the of
62. k RXAJR5Z0223 CARBON RES 1 4W J 150 RCX4JATZO1R5 R1020 CHIP RES 1 10W J 10k Q RXAJR5Z0103 PCB JUMPER D0 6 P5 0 JW5 0T R1021 CARBON RES 1 4W J 150 Q 20151 CARBON RES 1 4W J 22 0 RCX4JATZ0220 R1022 CHIP RES 1 10W J 47k Q RXAJR5Z0473 Ari RES 1 4W J 560 Q RCX4JATZ0561 R1023 CHIP RES 1 10W J 56k Q RXAJR5Z0563 P RES 110W F 33k RRXAFR5H3301 R1024 PCBJUMPER D0 6 P5 0 HIP RES 1 10W F 10k Q RRXAFR5H1002 R1201 CHIP RES 1608 110W 0 0 RXAZR5Z0000 CRER RES 14W J22 Q RCXAJATZO2R2 R1203 RBON RES 1 4W 1220 RCXAJATZO2R2 CHIP RES 1 10W J RXAJR5Z0330 RBON RES 1 4W J 6800 20681 CARBON RES 1 4W J33 Q CX4JATZ0330 P RES 1 10W F 220 Q RRXAFRSH2200 CARBON RES 1 4W J 33 ICXAJATZ0330 P RES 110W 22 Q RRXAFR5H2202 CARBON RES 1 AW J 33 0 CX4JATZ0330 RBON RES 1 4W J 10k 0 RCX4JATZ0103 1 10W J 56 9570560 RBON RES 1 4W J 33k Q RCX4JATZ0332 1 10W J 56 0 RXAJR5Z0560 P RES 140W J 10k RRXAJR5Z0103 RES 1 10W J 56 Q RXAJR5Z0560 P RES 1 10W J 10k Q RRXAJR5Z0103 RES 1 10W J 56 Q RXAJR5Z0560 RBON RES 1 4W J 10k RCX4JATZ0103 1 10W J 56 Q RXAJRSZ0560 RBON RES 1 4W J 4700 20471 RES 1 10W J 56 Q RXAJR5Z0560 RBON RES 1 4W J 12k 20123 RES 1 10W J 56 Q RXAJRSZ0560 RBON RES 1 4W J 390 0 RCX4JATZ0391 RES 140W J 56 Q RXAJR5Z0560 RBON RES 1 4W J 6 8k Q 20682 RES 1 10W J 56 Q RXAJR5Z0560 RES 1 10W F 470 RRXAFR5H4700 RE
63. k Diagram V82 NIVIA WVXOVIG 4o WODA di Wd HLS WO ALS ASAIO eaa 203 ooa 953 pua Qua 0833 980 9 elol ole go c go a oso 990 zem 090 9 oo 290 oc 290 be 0 90 22 euo ve Sc euo 9c uo 42 Duo 82 62 SINGOW 097 BP N3 3 8 N3A3 9 8830034 WNOIS 894 097 WODA 2 TOHINOO WILSAS OL S Avuovia 5530054 WNOIS 200078 poe KOITA S 4o Wvuovia o 0018 AQ anaon ALG OL Wvuovia 39018 SSA9 43 OL LNFO3QIA A7140BLLCD 7 5 Power Supply Block Diagram
64. may make you the servicer responsible for personal injury or property damage resulting therefrom Hot Chassis Warning a Some TV receiver chassis are electrically connected directly to one conductor of the AC power cord and maybe safety serviced without an isolation transformer only if the AC power plug is inserted so that the chassis is connected to the ground side of the AC power source To confirm that the AC power plug is inserted correctly with an AC voltmeter measure between the chassis and a known earth ground If a voltage reading in excess of 1 0V is obtained remove and reinsert the AC power plug in the opposite polarity and again measure the voltage potential between the chassis and a known earth ground b Some TV receiver chassis normally have 85V AC RMS between chassis and earth ground regardless of the AC plug polarity This chassis can be safety serviced only with an isolation transformer inserted in the power line between the receiver and the AC power source for both personnel and test equipment protection c Some TV receiver chassis have a secondary ground system in addition to the main chassis ground This secondary ground system is not isolated from the AC power line The two ground systems are electrically separated by insulation material that must not be defeated or altered Observe original lead dress Take extra care to assure correct lead dress in the following areas a near sharp edges b near th
65. nector The power transformer uses crimp type connectors which connect the power cord and the primary side of the transformer When replacing the transformer follow these steps carefully and precisely to prevent shock hazards Replacement procedure 1 m Remove the old connector by cutting the wires at a point close to the connector Important Do not re use a connector discard it Strip about 15 mm of the insulation from the ends of the wires If the wires are stranded twist the strands to avoid frayed conductors Align the lengths of the wires to be connected Insert the wires fully into the connector Use the crimping tool to crimp the metal sleeve at the center position Be sure to crimp fully to the complete closure of the tool L When connecting or disconnecting the internal connectors first disconnect the AC plug from the AC supply outlet When installing parts or assembling the cabinet parts be sure to use the proper screws and tighten certainly LTVN ISP Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration Observe that screws parts and wires have been returned to original positions Afterwards perform the following tests and confirm the specified values in order to verify compliance with safety standards 1 Clearance Distance When replacing primary circuit components confirm specified clearance distance d and d between solde
66. nsor CBA 7 Jack Holder CBA Y 13 Speaker s 8 DTV Module CBA Unit 9 LX 10 LCD Module 14 Front Cabinet 2 Disassembly Method Removal Remove Unhook Unlock Release Unplug Unclamp Desolder Arm Assembly 4 5 1 6 5 2 Stand Cover Rear Cabinet 10 5 3 5 4 Function CHA 5 S 5 CL1107 Tilt Stand Holder 2 S 6 IR Sensor S 7 CL1104 CBA Washer Jack Holder S 8 8 S 9 CL801 CL802 CN61 CN62 CN401 CN402 CN403 CN1201 CN1202 Module PCB Holder DTV Module CBA Unit Removal Remove Unhook Unlock Release Unplug Unclamp Desolder Main CBA LCD Module 11 5 10 Junction A CBA Desolder Junction B CBA Desolder 4 S 11 Speaker Speaker s j Front Cabinet 1 1 1 4 1 2 3 4 5 Note 1 Order of steps in procedure When reassembling follow the steps in reverse order These numbers are also used as the Identification location No of parts in figures 2 Parts to be removed or installed 3 Fig No showing procedure of part location 4 Identification of parts to be removed unhooked unlocked released unplugged unclamped or desoldered P Spring L Locking Tab S Screw CN Connector Unhook Unlock Release Unplug or Desolder e g 2 S 2 two Screws S 2 2 L 2 two Locking Tabs L 2
67. o Ltd and may not be used in any way without the express written consent of Funai All other trademarks used herein remain the exclusive property of their respective owners Nothing contained in this manual should be construed as granting by implication or otherwise any license or right to use any of the trademarks displayed herein Misuse of any trademarks or any other content in this manual is strictly prohibited Funai shall aggressively enforce its intellectual property rights to the fullest extent of the law LC200SL8 A7140UH 2007 02 02
68. o miojmijojo mj mi oj mi mi mijrmijrmi rmi r 20070115 14 2 A7140EL Description 5 Ref Description Part No CHIP CERAMIC CAP F Z 1uF 10V CHD1AZ30F105 SWITCHING DIODE 1SS133 T77 DTZ001SS133 CONNECTORS SWITCHING DIODE 1SS133 T 77 DTZ001SS133 BACK LIGHT CONNECTOR 1717369 1 JB17D02AP001 SWITCHING DIODE 155133 77 07200155133 BACK LIGHT CONNECTOR 1717369 1 JB17D02AP001 SWITCHING DIODE 1SS133 T 77 DTZ001SS133 BACK LIGHT CONNECTOR 1717369 1 JB17D02AP001 SWITCHING DIODE 1SS133 T 77 07200155133 FMN CONNECTOR SIDE 35 35FMN STRK JCFNG35JG022 DIODE 1N5397 B DLZ001N5397 A LFXSN DIODE 1 5397 DLZ001N5397 FMN CONNECTOR SIDE 33FMN STRK JCFNG33JG022 DIODEHNSSUZ DUZOGINBSGT ALPIGN PH CONNECTOR TOP 8 JSPHC04JG029 LPXSN ZENER DIODE 2 775 6 DTBOMTZJ5R6 DIODES ZENER DIODE MTZJF7722B 2122 07200185133 JUMPER 00950 50T DTZ001SS133 SWITCHING DIODE 195133077 DTZ001SS133 DTZ001SS133 SWITCHING DIODE 1SS133 T 77 DTZ001SS133 DTZ001SS133 ZENER DIODE MTZJF7739B DTB00MTZJ39 DTZ001SS133 SWITCHING DIODE 1SS133 T 77 DTZ001SS133 DTZ001SS133 SWITCHING DIODE 1SS133 T 77 DTZ001SS133 ZENER DIODE DTBOMTZJ7R5 DEMTZJT7762B DTBOMTZJ6R2 SWITCHING DIODE 1951330777 DTZ001SS133 BARRIER DIODE ERC84 009 DLZERC84009 Q Q Q Q Q Q Q Q Q Q Q Q Q Q SWITCHING DI 133 1 77 907200155133 DIODE FR202 B P NDQZOO0
69. ot supply hot air to the chip parts around the flat pack IC for over 6 seconds because damage to the chip parts may occur Put masking tape around the flat pack IC to protect other parts from damage Fig S 1 2 TVN_SN 3 The flat pack IC on the CBA is affixed with glue so With Soldering Iron be careful not to break or damage the foil of each 1 Using desoldering braid remove the solder from pin or the solder lands under the IC when all pins of the flat pack IC When you use solder removing it flux which is applied to all pins of the flat pack IC you can remove it easily Fig S 1 3 Hot air Flat Pack IC Desoldering Machine Flat Pack IC Desoldering Braid N Masking Tape Tweezers 2 Fig S 1 3 Lift each lead of the flat pack IC upward one by one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 Soldering Iron 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using tweezers Fig S 1 6 3 2 TVN_SN With Iron Wire 1 Using desoldering braid remove the solder from all pins of the flat pack IC When you use solder flux which is applied to all pins of the flat pack IC y
70. ou can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 5 Release the flat pack IC from the CBA using tweezers Fig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the CBA handle it gently because it may be damaged if force is applied Air Blower Soldering lron Mounting Point Fig S 1 5 4 Fine Tip Soldering Iron Flat Pack IC Tweezers 2 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more easily 2 The mark on the flat pack IC indicates pin 1 See Fig S 1 7 Be sure this mark matches the 1 on the PCB when positioning for installation Then presolder the four corners of the flat pack IC See Fig S 1 8 3 Solder all pins of the flat pack IC Be sure that none of the pins have solder bridges
71. pply Otherwise it may cause some components in the power supply circuit to fail CAUTION For continued protection against risk of fire replace only with same type 4 A 125V fuse ATTENTION Utiliser un fusible de rechange de m me type de 4A 125V NOTE The voltage for parts in hot circuit is measured using hot GND as a common terminal Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used Also in order to have the ability to increase the input slowly when troubleshooting this type power supply circuit a variable isolation transformer is required PIN 75 OF 1C1202 1C1202 PIN 56 OF 1C1202 PIN 57 OF 1C1202 PIN 66 OF 1C1202 PIN 71 1C1202 Bu 29 0 PIN 14 OF 801 8 13 7140 01011 1 Function CBA Top View IR Sensor CBA IR Sensor CBA Top View Bottom View BA7120F01021 2 Function CBA Bot
72. red terminals and between terminals and surrounding metallic parts See Fig 1 Chassis or Secondary Conductor Table 1 Ratings for selected area Circult X Clearance AC Line Voltage Region Distance d 4 U S A or gt 3 2 mm 11010 130 V Canada 0 126 inches Note This table is unofficial and for reference only Be sure to confirm the precise values 2 Leakage Current Test Confirm the specified or lower leakage current between B earth ground power cord plug prongs and externally exposed accessible parts RF terminals Exposed Accessible Part antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON i ih apaq y i pedance Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 2 and following table Earth Ground Power Cord Plug Prongs Table 2 Leakage current ratings for selected areas AC Line Voltage Region Load 2 Leakage Current i Earth Ground B to U S A or 0 15 uF CAP amp 1 5 Exposed accessible Canada RES Connected in parallel parts 110 to 130 V i 0 5 mA rms Note This table is unofficial and for r
73. replacing the LCD Panel then adjust as a preparation 2 White Balance Adjustment Purpose To mix red green and blue beams correctly for pure white Symptom of Misadjustment White becomes bluish or reddish Input White Purity APL 80 or APL 20 RF VIDEO1 at White APL 80 X 0 276 0 03 0 246 to 0 306 Pattern Generator y 0 282 0 03 0 252 to 0 312 Color analyzer at White APL 20 X 0 276 0 01 0 266 to 0 286 y 0 282 0 01 0 272 to 0 292 Figure It carries out in a darkroom Perpendicularity L 3 INPUT WHITE 80 20 Color Analyzer Note Use the service remote control unit 1 Operate the unit for more than 20 minutes 2 Input the White Purity 3 Set the color analyzer to the CHROMA mode and bring the optical receptor to the center on the LCD Panel surface after zero point calibration as shown above Note The optical receptor must be set perpendicularly to the LCD Panel surface 4 RF VIDEO1 Enter the Service mode Press VOL V button on the remote control unit and select C D1 mode VIDEO2 Enter the Service mode Press VOL button on the remote control unit and select C D2 mode 5 RF VIDEO1 APL 80 Press 6 button to select DB C D1 for Blue adjustment Press 4 button to select DR C D1 for Red adjustment When x
74. rol Signal ER Pixel Data Output ER ER Pixel Data Output ER ER Pixel Data Output ER e w ol s ER Pixel Data Output ER GND BACKLIGHT SW Inverter Control Signal Output BOOT SEL Boot Select VSS GND VSS GND A7140PIN EXPLODED VIEWS Cabinet See Electrical Parts List for parts with this mark DTV Module A7140CEX 12 1 Packing Some Ref Numbers are not in sequence S4 P Tape Packing Tape Packing Tape a d D d i Packing Tape 12 2 A7140PEX MECHANICAL PARTS LIST PRODUCT SAFETY NOTE Products marked with a have special characteristics important to safety Before replacing any of these components read carefully the product safety notice in this service manual Don t degrade the safety of the product through improper servicing NOTE Parts that are not assigned part numbers are not available Ref No Description Part No Al FRONT CABINET A7140UH 1EM121844 CONTROL PLATE A7120UH 1 322477 REAR CABINET A7140UH 1EM121848 RATING LABEL A7140UH FUNCTION KNOB L2530JA 1EM322170 RONT PLATE L3223UD 1 221391 F
75. sistor aic Top View Top View NPN Transistor PNP Transistor ECB ECB Top View Top View NPN Digital Transistor PNP Digital Transistor ECB ECB 8 1 SC LIST OF CAUTION NOTES AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES 1 CAUTION CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME A V FUSE ATTENTION UTILISER UN FUSIBLE DE RECHANGE DE M ME TYPE DE A V 2 CAUTION Fixed Voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F601 is blown first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail 3 Note 1 not use the part number shown on the drawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since the drawings were prepared 2 To maintain original function and reliability of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications on the schematics are as shown below Plug the TV power cord into a standard AC outlet 9 9 Unit Volt 5 0 X 5 04 Power on mode Voltage Indicates that the voltage is not consistent here 5 How to read conver
76. tom View Junction A CBA Top amp Bottom View j 7120 01021 3 7120 01021 3 Junction B CBA amp Bottom View BA7120F01021 4 BA7120F01021 1 8 14 WAVEFORMS WF1 WEF7 Waveforms to be observed at Waveform check points Shown in Schematic Diagram Input NTSC Color Bar Signal with 1kHz Audio Signal Pin 71 of C1202 UE Pin 56 of IC 1202 EN Pin 76 of Ic 1202 FE Pin66 of IC 1202 5 VIDEO Pr S VIDEO C 0 2V Pin 75 of IC1202 VIDEO Y 9 1 LCSWF WIRING DIAGRAM 20848 Waxvads 10848 va Z 8 TdS 20810 vao z QNO dS N Va WNOLLONAL 10919 HNN vao annaow ALA 02 6 Id ALG 6 AMG 8 ay ONE V 4 or 94 Moana 6 i 6 21 2 Mino 0 ON9 Y 01 6 99v JIQ 6 8 8 2 2 9 AS T NOALO 9 S ASZ NO LG S A NO ALQ ONO G E z ZHNOALO 2 PN 9NO 125 6 143 vOS 13838 S A1Q Z ANOSSA 0 6 NIS S ALO 6 8 19055940 8 4 DFYS SALG 2 8 9 wasn 9 v TSN

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