modification history
Contents
1. PSW 3SG 4 Four screws 6 AG board 5 DF2 board 3 Ten screws PSW M3X5 e N R VOS 4 FB2 board Five screws PSW 3SG 2 DF3 board DF3 bracket 1 3 6 AG AND FB2 BOARDS REMOVAL 1 15 KLV 46 52X300A 46 52W380A CH KLV 46W380A 1 3 7 TUG BOARD REMOVAL 3 Pin Cable 6 Two screws BBVST 3X8 6 Two screws BVST 3X8 TUG board Four screws BVST 3X8 1 3 8 CHASSIS BRACKET AND STAY REMOVAL One screw 4 PSW M3X5 d 07 One screw Four screws 1 BVST 4X8 PSW M3X5 A gt gt LS lt lt 16 One screws 9p xX AE SR PSW M3X5 lt lt p A gt o3 F4 X ei 2 48 Chassis bracket gt AS m assis bracke Re ps Two screws Two screws DS Deo BVTP2 4x16 Two screws 4 PSW 5 8 Two screws Two screws 4KTT 3X10 One screw PSW M5X8 7 KT PSW M5X8 2 AC inlet PSW M4X6 Three screws BVTP2 4X16 2 One screw BVTP2 4X16 gt 8 Stay upper ge LEZ 4 One screw BVTP2 4X16 One screw PSW M5X8 KLV 46 52X300A 46 52W380A CH 1 16 KLV 46W380A 1 3 9 FAN AND SPEAKER REMOVAL 2 Three screws Ss BVTP2 4X16 gt 8 Loud Speaker E Tweeter 1 Loudspeaker Loudspeaker Fan filter 9 Fan bracket 8 One screw PSW 3X8 BVTP2 4X162. PART No 2 580 606 01 2 580 591 01 X 2188 043 1 3 269 273 11 A 1314 427 B di D WAY WA 2 7 DESCRIPTION MARK SCREW PSW M5X8 SCREW PSW M3X5 BUTTON MULTI ASSY SPACER BUTTON HW1 MOUNT REF No 1106 1107 1108 1109 1 PART No DESCRIPTION MARK 3 294 372 11 BRACKET SIDE TERMINAL A 1314 449 A HW2 MOUNT X 2179 578 1 UNDER COVER 52 ASSY 2 580 640 01 SCREW BVTP2 4X16 7 685 648 79 SCREW BVTP 3X12 TYPE2 IT 3 KLV 46 52X300A 46 52W380A CH 5 23 KLV 52W380A 5 4 3 CHASSIS 1 d DEL U MARK DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No 85 e CO SF 02 0 cn Q LU LU LLI co O 0 o 55 O ST Ho ep D O O R CN CN N ON LO LO CN U LLI qc O 2 674 965 51 11524 A 1253 588 B DF5 MOUNT 11534 A 1253 587 B DEA MOUNT 11544 A 1362 552 C GF2 COMPL 1155 A 1519 918 B UB2 COMPL 1151 5 24 KLV 46 52X300A 46 52W380A CH KLV 52W380A 5 4 4 CHASSIS 2 The components identified by mark fl contain confidential information Strictly follow the instructions whenever the components are repaired and or replaced RE
3. EE EE MARK DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No 956 4 090 795 01 GASKET IB 952 X 2189 790 2 BEZEL ASSY 46 951 LL I e I LL I S CN cO St 2 2 lt JW gt 02 2 zoo O T 210 O O o ot O lt lt LO LO 10 LO LO 0000 5 20 KLV 46 52X300A 46 52W380A CH KLV 46W380A 5 3 7 CONNECTOR ASSY REF No 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 INVERTER EM m UB2 board CN7201 CN7200 E CH CN3500 DD CN6905 6904 DF3 board CH CN5601 CN6800 INVERTER AC inlet AG board Joan CN7022 002 004 HW2 board H CN7121 CN7061 T E cn7152 HW3 board Speaker L Speaker R G 012 PART No DESCRIPTION MARK REF No PART No DESCRIPTION MARK 1 834 263 11 CONNECTOR ASSY 1011 1 834 140 21 LEAD WIRE WITH CONNECTOR 1 910 036 92 XA CONNECTOR ASSY BL 7P LVDS 1 910 036 81 VH CONNECTORASSY DEI 1012 1 910 039 50 FASTEN CONNECTOR ASSY HW2 1 910 037 00 XA CONNECTOR ASSY UB 6P 1013 1 910 037 69 SHLDP CONNECTOR ASSY 20 1 910 041 82 CONNECTOR ASSY FB 13P 1014 1 910 036 82 XA CONNECTORASSY DF1 9P 1015 1 910 042 5
4. 6 Loud Speaker Tweeter 3 One screw PSW 3X8 Two screws 3X16 2 Fan filter Two screws BV 3X16 1 3 10 UB2 BOARD REMOVAL BVTP2 4X16 PSW M3X5 KLV 46 52X300A 46 52W380A CH 1 17 KLV 46W380A 1 3 11 LCD PANEL AND HW3 BOARD REMOVAL Two screws BVTP2 4X16 ae LCD panel BVTP2 4X16 4 HW3 board Ornament 5 Bezel assy 1 18 KLV 46 52X300A 46 52W380A CH 1 4 KLV 52W380A REAR COVER ASSY REMOVAL 1 4 1 2 Two screws BVTP 3X12 Five screws BVTP2 4X16 D One screw 3 Two screws PSW M5X12 BVTP2 4X16 gt st CN LL gt m pO One screw Four screws BVTP2 4X16 a D Four screws BVTP2 4X16 D Four screws BVTP2 4X16 4 Rear cover assy 1 4 2 STAND ASSY AND ARM ASSY REMOVAL PSW M3X5 3 One screw PSW M3X5 o Four screws PSW M3X5 6 One screw N 4 Four screws PSW M3X5 PSW M5X12 D Four screws Two screws BVST 4X8 85 Arm L assy Arm R assy Stand holder assy 9 Two screws BVST 4X8 Stand holder assy 1 19 KLV 46 52X300A 46 52W380A CH KLV 52W380A 1 4 3 HW1 BOARD REMOVAL HW1 board CD Multi button assy 1 4 4 HW2 BOARD REMOVAL D Tw
5. BVST 3X8 8 Two screws PSW M3X5 D One screw 5 Two screws HEX 2 One screw A 2 Two screws 4 PSW M3X5 BVST 3X8 D One screw 4 FB top shield BVST za 2 Two screws PSW M3X5 D One screw BVST 3X8 Three screws FB2 board 1 1 6 AG BOARD AND FB2 BOARD REMOVAL KLV 46X300A 1 1 7 TUG BOARD REMOVAL 7 Two screws 3 Pin Cable Under cover BVST 3X8 RF Splitter 6 Connector assy EEN SE 5 Connector assy BVST 3X8 TUG board 25 SR 9 Four screws BVST 3X8 ST NES Tuner shield lower assy EN lt X R 1 1 8 SPEAKER AND FAN REMOVAL 7 One screw e PWTP2 4X16 2 loudspeaker L 9 PSW M3X5 e 4 SP holder 5 One screw 9 Fan filter 25 PWTP2 4X16 Fan bracket One screw 4 PSW 3X8 6 loudspeaker R 3 Two screws 3X16 19 One screw D C fan PSW 3X8 2 Two screws BV 3X16 KLV 46 52X300A 46 52W380A CH KLV 46X300A 1 1 9 UB1 BOARD REMOVAL Three screws BVTP2 4X16 Upper stay Two screws 5 PSW M3X5 2 Fin assy 8 Three screws PSW 3X8 3 56 __ UB1 shield ____ 5 One screw 0 PSW M3X5 6 UB1 board 1 1 10 H3 BOARD AND H4 BOARD AND AC INLET REMOVAL 9 Six screws PSW M
6. 861 862 863 864 865 SCREW PSW M3X5 1362 571 B FB2 COMPL 2 580 591 01 852 851 COVER MS BRACKET CARD 2 689 737 01 3 106 942 41 BOARD TO BOARD CONNECTOR 50P BOARD TO BOARD CONNECTOR 80P SCREW HEX SCREW BVST 3X8 A 1314 443 A AG COMPL SCREW BVST 4X8 CLAMP FG A 1314 425 C TUG MOUNT 2 580 629 01 1 821 375 11 1 821 376 11 4 635 966 01 2 580 630 01 4 035 862 01 853 854 855 856 857 858 859 860 5 18 KLV 46 52X300A 46 52W380A CH KLV 46W380A 5 3 5 SPEAKER AND CHASSIS BRACKET N REF No 901 902 903 904 905 906 907 908 909 910 x s VA A7 e 2 ANY PART No 1 787 677 11 3 219 408 02 1 826 695 11 2 580 640 01 1 826 698 1 1 2 580 606 01 2 580 591 01 2 580 630 01 2 596 649 01 1 821 380 11 DESCRIPTION MARK D C FAN FILTER FAN LOUDSPEAKER 40MM TWEETER SCREW BVTP2 4X16 LOUD SPEAKER 5 5X15 5CM SCREW PSW M5X8 SCREW PSW M3X5 SCREW BVST 4X8 KTT 3X10 S TYPE INLET AC WITH NOISE FILTER REF No PART No DESCRIPTION MARK 911 2 580 599 01 SCREW PSW M4X6 H2 7 682 948 01 SCREW PSW 3X8 3 7 685 650 79 SCREW BVTP 3X16 TYPE2 IT 3 KLV 46 52X300A 46 52W380A CH 5 19 KLV 46W380A 5 3 6 BEZEL AND LCD PANEL wa S N N 5 Sa Y NN s FL N N gt e K
7. IT 3 3 100 217 22 BRACKET SIDE TERMINAL 1361 957 HW2 COMPL 2 580 591 01 2 580 630 01 2 580 640 01 61 62 63 64 65 1 STAND BASE S ASSY 2 595 155 02 CLAMP CONTROL BUTTON ASSY 1314 446 H1 MOUNT SCREW PSW M5X12 SCREW PSW M5X8 SCREW BVST 3X8 LABEL SIDE TERMINAL BRACKET CARD COVER MS X 2178 017 1 X 2179 792 1 2 580 607 01 2 580 606 01 2 580 629 01 3 106 942 41 2 689 737 01 3 106 923 51 51 52 53 54 55 56 57 58 59 60 KLV 46 52X300A 46 52W380A KLV 46X300A 5 1 3 CHASSIS 1 MARK DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No SCREW PSW 3 104 A 1253 585 B DF2 MOUNT 101 ZA A 1361 279 C GF1 COMPL 2 674 965 51 102 A 1253 586 B DF3 MOUNT 103 5 4 KLV 46 52X300A 46 52W380A CH KLV 46X300A 5 1 4 CHASSIS 2 REF No 151 152 153 154 155 PART No 2 580 629 01 DESCRIPTION MARK SCREW BVST 3X8 A 1314 425 A TUG MOUNT 1 251 658 41 1 558 924 21 4 035 862 01 SPLITTER RF CABLE PIN CLAMP FG S gt ZN The components identified by mark contain confidential information Strictly follow the instructions whenever the components are repaired and or replaced REF No
8. 3 6 3 3 4 T CON ERROR RED 5 Times blink 3 7 3 3 5 BACK LIGHT ERROR RED 6 Times blink 3 7 3 3 6 TEMP ERROR RED 7 Times blink 3 8 3 3 7 AUDIO ERROR RED 8 Times blink 3 8 3 3 8 DTAU ERROR RED 10 Times blink 3 0 3 3 0 BALANCER ERROR RED 13 Times blink 3 10 3 4 COMMUNICATION ERROR 3 11 3 5 AUDIO PROBLEM Flow Chart D 3 12 3 6 VIDEO PROBLEM Flow Chart E 3 13 4 DIAGRAMS cci ddnde an 4 1 4 1 CIRCUIT BOARDS LOCATION 4 KEVIN 4 1 CR AED SIS 4 1 ISA medan 4 1 KEVIN SA as 4 1 KLV 46 52X300A 46 52W380A CH 8 5 EXPLODED VIEWS cere eet 5 1 oh REV 400 noie tote tecto RS 5 2 5 1 1 REAR COVER ASSY 5 2 5 1 2 ARM ASSY AND STAND ASSY AND HWZ BOARD tiic 5 3 3s 153 CHASSIS en 5 4 Seld CHASSIS W ndk 5 5 5 1 5 FAN AND SPEAKER 5 6 5 1 6 FRONT CABINET ASSY AND VED PANBE au a usss 5 7 3 7 CONNECTOR ASS Ee 5 8 32 EE wadzi eee 5 9 5 2 1 REAR COVER ASSY 5 9 5 2 2 ARM ASSY AND STAND 55 AND HWZ BOARD u tite dee 5 10 2392 9 CHASSIS k a bti edito 5 11 524 CHASSIS ee 5 12 5 2 5 FAN AND SPEAKER
9. CABLE ASSY 15PDSUBX2CONNECTOR BAG ASSY RUDDER LOCK L BAG PROTECTION MANUAL INSTRUCTION MANUAL INSTRUCTION WALLMOUNT REF No PART 1461 2 891 428 01 1462 3 279 264 01 1463 3 268 006 01 1464 2 891 431 01 1465 2 891 427 01 1466 4 081 035 01 1467 2 897 996 01 DESCRIPTION MARK BOARD TOP CUSHION UPPER INDIVIDUAL CARTON CUSHION FRONT LOWER TRAY JOINT SHEET PROTECTION KLV 46 52X300A 46 52W380A 5 30 REF No PART No 1501 3 219 350 01 3 219 996 01 1502 3 219 348 01 3 219 999 01 1503 4 041 425 11 1504A 3 298 900 1 1 1505 1 793 504 11 5 5 3 KLV 46 52W380A DESCRIPTION MARK TRAY KLV 52W380A TRAY KLV 46W380A CUSHION LOWER KLV 52W380A CUSHION LOWER KLV 46W380A BAG PROTECTION KLV 52W380A MANUAL INSTRUCTION CABLE ASSY 15PDSUBX2CONNECTOR REF No DESCRIPTION PART No 1506 1 830 860 31 1507 1 480 335 11 1508 3 219 351 01 3 219 997 01 1509 3 219 347 02 3 219 998 01 1610 3 298 902 01 3 298 901 01 1611 4 081 035 01 KLV 46 52X300A 46 52W380A CH 61 MARK CORD POWER REMOTO COMMANDER RM SA013 BOARD TOP KLV 52W380A BOARD TOP KLV 46W380A CUSHION UPPER KLV 52W380A CUSHION UPPER KLV 46W380A INDIVIDUAL CARTON KLV 52W380A INDIVIDUAL CARTON KLV 46W380A JOINT 5 31E English Sony EMCS Corporation 2008FL08 Data Made in Japan 9 834 177 02 Inazawa TEC
10. 5 13 5 2 6 FRONT CABINET AND LCD PANEL 5 14 2 3 KEVIN SO ER 5 15 Sx COVER ASSY ue ehe em 5 15 5 3 2 ARM ASSY AND STAND ASSY AND BOARD edet des 5 16 e a m A 5 17 3994 E 5 18 5 3 5 SPEAKER AND CHASSIS BRACKET 5 19 5 3 6 BEZEL AND LCD PANEL 5 20 5 3 7 CONNECTOR ASSY 5 21 54 KLVo2W990A 5 22 5 4 1 REAR COVER ASSY 5 22 5 4 2 ARM ASSY AND STAND ASSY AND HW BOARD am a pan 5 23 3 43 uk a aaah RE 5 24 5 44 CHASSIS sara 5 25 5 4 5 SPEAKER AND CHASSIS BRACKET 5 26 5 4 6 BEZEL AND LCD PANEL 5 27 5 4 7 CONNECTOR ASSY 5 26 5 5 PACKING MATERIALS 5 29 3 31 KEV46X3500A 5 29 25252 URL EE 5 30 593 KLV4652W300A men 5 3 KLV 46 52X300A 46 52W380A CH 9 SECTION 1 DISASSEMBLY KLV 46X300A 1 1 REAR COVER ASSY REMOVAL 1 1 1 D Two screws BVTP2 4X16 8 Two screws BVTP2 4X16 D One screw BV 3X12 D Six screws BVTP2 4X16 1 CN on o gt m D s SP cO O SR em O o gt gt ER zo o 7 2 S O a o A 1 1 2 STAND ASSY AND ARM ASSY REMOVAL gt Ho
11. DESCRIPTION PART No REF No SCREW PSW M3X5 SCREW PSW M3X5 SCREW PSW M5X8 7 685 648 79 SCREW BVTP 3X12 TYPE2 IT 3 2 580 591 01 2 580 591 01 2 580 606 01 756 757 758 1 BRACKET SIDE TERMINAL BUTTON MULTI ASSY 1314 449 HW2 MOUNT SPACER BUTTON 1314 427 8 HW1 MOUNT X 2188 043 1 3 269 273 21 3 294 372 11 751 752 753 754 755 5 16 KLV 46 52X300A 46 52W380A CH KLV 46W380A 5 3 3 CHASSIS 1 N N AR CESR w GG MARK DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No 806 A 1253 585 D DF2 MOUNT 807 1362 549 GEI COMPL SCREW BVTP2 4X16 SCREW PSW M3X5 804 A 1253 586 D DF3 MOUNT 1519 918 8 UB2 COMPL 2 580 591 01 2 580 640 01 801 802 803 SCREW PSW 3X8 7 682 948 01 H2 SCREW PSW 5 2 674 965 51 805 5 17 KLV 46 52X300A 46 52W380A CH KLV 46W380A 5 3 4 CHASSIS 2 The components identified by mark contain confidential information Strictly follow the instructions whenever the components are repaired and or replaced MARK DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No SPLITTER RF 1 910 029 20 EH CONNECTOR ASSY 2P CABLE PIN 1 558 924 21 1 251 658 41
12. FB2 board HW2 board OSD appear Check LVDS harness 2 and Panel 2 board Panel Module Check FB2 board NO Check FB2 board Digital Channel Problem AG board Check FB2 board AG board KLV 46 52X300A 46 52W380A 3 12E 4 1 CIRCUIT BOARDS LOCATION 1 KLV 46X300A FB2 board HW board AG board 2 KLV 52X300A FB2 board HW board AG board DF3 board UB1 board TUG board H3 board DF5 board H4 board UB1 board TUG board H3 board DF2 board GF1 board H1 board DF4 board GF2 board H1 board SECTION 4 DIAGRAMS 3 KLV 46W380A DF3 board SI HW1 board FB2 board UB2 board TUG board Re DF2 board HW board AG board GF1 board HW3 board 4 KLV 52W380A DF5 board DR HW1 board FB2 board board oes TUG board SW board HW2 board AG board _ GF2 board HW3 board KLV 46 52X300A 46 52W380A CH 4 1E SECTION 5 EXPLODED VIEWS NOTE The components identified by shading and mark are critical for safety Replace only with part number specified The components identified by mark ll contain confidential information Strictly follow the instructions whenever the components are repaired and or replaced Items with no part number and no description are not stocked because they are seldom required for roution service The constructio
13. KLV 46 52X300A 46 52W380A CH 86
14. PART No REF No MARK DESCRIPTION PART No REF No GASKET IB 1306 4 090 795 01 1302 ORNAMENT 52 X 2189 791 2 BEZEL ASSY 52 1303 1314 430 HW3 MOUNT 1302 3 095 429 71 1301 7 685 648 79 SCREW BVTP 3X12 IT 3 1 SCREW BVTP2 4 16 1304 1 802 490 33 LCD PANEL 52 INCH FHD 1905 2 580 640 01 5 27 KLV 46 52X300A 46 52W380A CH KLV 52W380A 5 4 7 CONNECTOR ASSY REF No PART No 1351 1 834 264 11 1352 1 910 036 92 1353 1 910 037 32 1354 1 910 037 04 1355 1 910 041 81 1356 1 834 620 11 1357 1 910 036 94 1358 1 910 037 77 1359 1 834 262 11 1360 1 910 036 99 INVERTER EH HW3 board 957152 HW1 board U EN EN i CN6708 CN6707 CN6505 CN6504 EU DEA board 701 DF5 board UB2 board i ae CN6400 da CN6704 CN7201 E 4 LJ D eg 354 LI CN3500 CN5601 CN5600 36 FB2 board INVERTER CN3001 TUG board E E HW2 board AC inlet CN7022 a Dus p G Speaker L DESCRIPTION MARK CONNECTOR ASSY XA CONNECTOR ASSY BL 7 VH CONNECTOR ASSY D XA CONNECTOR ASSY U XA CONNECTOR ASSY F F4 3 B 6 B P LEAD WIRE WITH CONNECTOR LVDS XA CONNECTOR ASSY A 1929 CONNECTOR ASSY H 40 CONNECTOR ASSY CONNECTOR ASSY DF5 REF No 1361 1362 1363 1364 1365 1366 F Speaker R PART
15. STAND ASSY AND ARM ASSY EE 1 7 1 2 3 HI BOARD REMOVAL 1 8 1 2 4 HW2 BOARD REMOVAL 1 8 1 2 5 DF2 AND GF1 BOARDS REMOVAL 1 9 1 2 6 AG AND FB2 BOARDS REMOVAL 1 9 1 2 7 TUG BOARD REMOVAL 1 10 1 2 8 SPEAKER AND FAN REMOVAL 1 10 1 2 9 UBI BOARD REMOVAL 1 11 1 2 10 H3 BOARD AND 4 BOARD AND AC INLET REMOVAL 1 11 1 2 11 LCD PANEL AND FRONT CABINET ASSY REMOVA rsono a tes 1 12 Pade KENE 1 13 1 3 1 REAR COVER ASSY REMOVAL 1 13 1 3 2 STAND ASSY AND ARM ASSY REMOVAL 1 13 1 3 3 HWI BOARD REMOVAL 1 14 1 3 4 HW2 BOARD 1 14 1 3 5 DF2 DF3 AND GFI BOARDS REMOVA EE 1 15 1 3 6 AG AND FB2 BOARDS REMOVAL 1 15 1 3 7 TUG BOARD REMOVAL 1 16 1 3 8 CHASSIS BRACKET AND STAY REMOVAL seen ans 1 16 1 3 9 FAN AND SPEAKER REMOVAL 1 17 1 3 10 UB2 BOARD REMOVAL 1 17 1 3 11 LCD PANEL AND HW3 BOARD REMOV AL Od A 1 18 Leck KLEVS2WIS0A 1 19 1 4 1 REAR COVER ASSY REMOVAL 1 19 1 4 2 STAND ASSY AND ARM ASSY REMOVAL vassere 1 19 1 4 3 HWI BOARD REMOVAL 1 20 1 4 4 HW2 BO
16. U o 5 Ho X D 500 Q EE Dx aax ot oz 222 PP Stand holder DL G 52 r e QA OSO 9 Do O gt Fa 15 5 9 1 So 6 QA PD lt S 8 f PSW M5X8 6 Two screw BVST 3X ARM L ass PSW M5X8 4 One screw One screw 1 1 KLV 46 52X300A 46 52W380A CH KLV 46X300A 1 1 3 H1 BOARD REMOVAL 0 Two screws H1 board BVTP2 4X16 2 Control button assy 1 1 4 HW2 BOARD REMOVAL D Two screws BV 3X12 3 HW2 board One screw PSW M3X5 4 Side terminal bracket KLV 46 52X300A 46 52W380A CH 1 2 GFD bracket N GF1 board Y 6 Two screws PSW 3SG DS d A 6 Two screws PSW 3SG 4 Four screws 1 1 5 DF1 BOARD AND GF1 BOARD REMOVAL KLV 46X300A d SYN Sy V e 2 55 d S NY A 2 7 y 77 A V W 1 NE v RY SS MN SS EN A AA lt 7 PSW 350 lt nto JEN WAW VET JA a XP Va 8 D x O CN LL e 2 m LL 2 1 3 BVST 3X8 6 AG board 5 Four screws KLV 46 52X300A 46 52W380A CH 5 Four screws BVST 3X8 BVST 3X8
17. locked KLV 46 52X300A 46 52W380A CH 1 6 1 2 KLV 52X300A REAR COVER ASSY REMOVAL 1 2 1 PSW M5X12 2 two screws 3 two screws 7 BV 3X12 U 4 Rear cover assy D Five screws BVTP2 4X16 1 two screws BVTP2 4X16 a U X16 D One screw BVTP2 4 D Eight screws BVTP2 4 16 1 2 2 STAND ASSY AND ARM ASSY REMOVAL PSW M5X8 Two screws 2 Base satnd assy D Two screws o 5X12 4 Two screws PSW 5 8 5 ARM R assy D Two screws PSW 5X12 ___ 9 Two screws BVST 4X8 BVST 3X8 T 3 Two screws 6 Two screws BVST 4X8 6 Two screws ARM L assy One screw 1 7 KLV 46 52X300A 46 52W380A CH KLV 52X300A 1 2 3 H1 BOARD REMOVAL D One screw BVTP2 4X16 2 Control button assy 1 2 4 HW2 BOARD REMOVAL D Two screws BV 3X12 E 3 HW2 board 2 One screw PSW M3X5 S 4 Side terminal bracket 5 CARD bracket KLV 46 52X300A 46 52W380A CH 1 8 GF2 board 8 GFD bracket PSW 3SG 6 Two screws 6 Two screws PSW 3SG PSW 3SG Two screws v PSW 3SG 5 DF4 boa 4 Two screws AN Lay NEO BV NN NO A PSW 356 1 2 5 DF2 DF3 AND GF
18. to locate the hot side on the line the lamp should light at normal brilliance if the screw is at ground potential see Figure B Trouble Light p Ohmmeter AC Outlet Box Cold water Pipe Figure B Checking for earth ground KLV 46 52X300A 46 52W380A CH 5 SELF DIAGNOSIS FUNCTION The units in this manual contain a self diagnostic function If an error occurs the STANDBY LED will automatically begin to flash The number of times the LED flashes translates to a probable source of the problem A definition of the STANDBY LED flash indicators is listed in the instruction manual for the user s knowledge and reference If an error symptom cannot be reproduced the remote commander can be used to review the failure occurrence data stored in memory to reveal past problems and how often these problems occur 1 1 DIAGNOSTIC TEST INDICATORS When an error occurs the STANDBY LED will flash a set number of times to indicate the possible cause of the problem If there is more than one error the LED will identify the first of the problem areas Result for all of the following diagnostic items are displayed on screen If the screen displays a 0 no error has occurred Number of times STANDY LED Monitoring Items BisancstisTemDescripian Red flashes Screen Display P 1 2 DISPLAY OF STANDBY LED FLASH COUNT lt KLV 46 52X300A gt FLASH COUNT 2 times hi anne MM MANN _ stimes Jnn nan LED ON 0 3 se
19. 156 157 158 5 159 160 161 162 163 1 910 029 20 3 100 210 02 1362 571 4 635 966 01 1 821 375 11 1 821 376 11 A 1314 443 A 2 580 591 01 KLV 46 52X300A 46 52W380A CH DESCRIPTION MARK EH CONNECTOR ASSY 2P UNDER COVER S FB2 COMPL SCREW HEX BOARD TO BOARD CONNECTOR 80P BOARD TO BOARD CONNECTOR 50P AG COMPL SCREW PSW M3X5 5 5 KLV 46X300A 5 1 5 FAN AND SPEAKER REF No PART No 201 2 596 649 01 202 A 1 821 380 11 203 2 580 640 01 204 2 580 606 01 205 2 580 591 01 206 2 580 630 01 207 1 826 696 21 208 A 1314 447 A 209 A 1314 448 A 210 3 219 408 02 DESCRIPTION MARK KTT 3X10 S TYPE INLET AC WITH NOISE FILTER SCREW BVTP2 4X16 SCREW PSW M5X8 SCREW PSW M3X5 SCREW BVST 4X8 LOUDSPEAKER H3 MOUNT H4 MOUNT FILTER FAN REF No PART No 211 A 1 787 677 11 212 213 214 215 2 3 A 1253 530 A 1 826 696 1 1 2 580 654 01 2 580 599 01 7 685 650 79 7 682 948 01 KLV 46 52X300A 46 52W380A CH DESCRIPTION MARK D C FAN UB1 MOUNT LOUDSPEAKER SCREW PWTP2 4X16 SCREW PSW M4X6 SCREW BVTP 3X16 IT 3 SCREW PSW 3X8 5 6 KLV 46X300A 5 1 6 FRONT CABINET ASSY AND LCD PANEL REF PART No DESCRIPTION MARK REF PART
20. BOARD CONNECTOR 50P 502 1 251 658 41 SPLITTER RF 512 A 1237 295 A AG MOUNT 503 A 1314 425 A TUG MOUNT 513 1 910 029 20 EH CONNECTOR ASSY 2P 504 1 558 924 21 CABLE PIN 505 4 035 862 01 CLAMP FG 506 2 580 591 01 SCREW PSW M3X5 507 _ 3 100 425 02 UNDER COVER L 508 A 1362 571 FB2 COMPL 509 4 635 966 01 SCREW HEX 510 1 821 375 11 BOARD TO BOARD CONNECTOR 80P KLV 46 52X300A 46 52W380A CH 5 12 KLV 52X300A 5 2 5 FAN AND SPEAKER REF No PART No 551 552 553 554 555 556 557 558 559 560 2 596 649 01 A 1 819 729 14 2 580 640 01 2 580 606 01 2 580 591 01 2 580 630 01 1 826 696 21 A 1314 447 A A 1314 448 A A 1253 530 A DESCRIPTION MARK KTT 3X10 S TYPE INLET AC WITH NOISE FILTER SCREW BVTP2 4X16 SCREW PSW M5X8 SCREW PSW M3X5 SCREW BVST 4X8 LOUDSPEAKER H3 MOUNT H4 MOUNT UB1 MOUNT REF No PART 561 1 826 696 1 1 562 2 580 599 01 3 7 682 948 01 DESCRIPTION LOUDSPEAKER SCREW PSW M4X6 SCREW PSW 3X8 KLV 46 52X300A 46 52W380A CH MARK 5 13 KLV 52X300A 5 2 6 FRONT CABINET AND LCD PANEL NO REF No PART No DESCRIPTION MARK REF No PART No DESCRIPTION MARK 601 1 802 490 31 LCD PANEL 52 INCH FHD HFR 602 X 2179 560 1 FRONT CABINET ASSY 52 603 604 61
21. Items For details refer to 1 1 DIAGNOSTIC TEST INDICATORS Number of times STANDBY Indicator flashes Since the diagnostic results displayed on the screen are not automatically cleared always check the self diagnostic screen After you have completed the repairs clear the result display to 0 1 5 Quitting Self diagnostic screen To quit the entire self diagnostic screen turn off the power switch on the remote commander or the main unit KLV 46 52X300A 46 52W380A CH 7 TABLE OF CONTENTS SAFETY CHECKOUT 5 SELF DIAGNOSIS FUNCTION 6 DISASSEMBLY ii ioni rt coit ea pe cisco iie 1 1 KEVs 46X3500A sans 1 1 1 1 1 REAR COVER ASSY REMOVAL 1 1 1 1 2 STAND ASSY AND ARM ASSY u AAA 1 1 1 1 3 BOARD REMOVAL 1 2 1 1 4 HW2 BOARD REMOVAL 1 2 1 1 5 DFI BOARD AND GFI BOARD REMOV AL se nn pepe e 1 3 1 1 6 AG BOARD AND FB2 BOARD REMOV AL reddis 1 3 1 1 7 TUG BOARD REMOVAL 1 4 1 1 8 SPEAKER AND FAN REMOVAL 1 4 1 1 9 UBI BOARD REMOVAL 1 5 1 1 10 H3 BOARD AND H4 BOARD AND 55 1 5 1 1 11 LCD PANEL AND FRONT CABINET ASSY REMOVAL utate re ett 1 6 1 25 KREV SIMAS 1 7 1 2 1 REAR COVER ASSY REMOVAL 1 7 1 2 2
22. 1 BOARDS REMOVAL 7 Five screws KLV 52X300A 2 DF5 board 8 bracket 8 Two screws HEX 2 One screw 4 PSW M3X5 2 Two screws PSW M3X5 BVST 3X8 D One screw 4 FB top shield 2 Two screws PSW M3X5 1 2 6 AG AND FB2 BOARDS REMOVAL BVST 3X8 6 AG board q 5 Four screws 5 Four screws BVST 3X8 BVST 3X8 BVST 3X8 5 Two screws D One screw v BVST 3X8 Three screws BVST 3X8 D One screw 1 9 KLV 46 52X300A 46 52W380A CH KLV 52X300A 1 2 7 TUG BOARD REMOVAL Under cover 7 Two screws 9 Pin Cable 9 RF Splitter 6 Connector assy Owa re Ny 5 Connector assy BVST 3X8 TUG board z C2 9 Four screws BVST 3X8 1 TU bracket assy PSW 3 5 1 2 8 SPEAKER AND FAN REMOVAL D One screw PWTP2 4X16 2 Loudspeaker L 3 One screw PSW M3X5 5 One screw PWTP2 4X16 SP holder Loudspeaker R One screw PSW M3X5 SP holder M KLV 46 52X300A 46 52W380A CH 1 10 KLV 52X300A 1 2 9 UB1 BOARD REMOVAL 1 Two screws PSW M3X5 2 Fin assy 3 Three screws PSW 3X8 Three screws BVTP2 4X16 4 UB1 shield 5 One screw PSW M3X5 6 UB1 board Upper stay 1 2 10 H3 BOARD AND H4 BOARD AND AC INLET REMOV
23. 1 X 2178 016 2 BEZEL ASSY 52 605 606 607 608 609 610 611 1 612 2 580 640 01 SCREW BVTP2 4X16 603 2 694 106 01 SCREW M2 TAPING 613 4 090 795 01 GASKET IB 604 2 694 107 01 SCREW FIXED 605 X 2179 737 1 IR GUIDE ASSY 1 7 685 648 79 SCREW BVTP 3X12 IT 3 606 2 687 999 01 SCREW LINE HEX PSW M3X12 607 2 673 391 01 ORNAMENTAL JOINT 608 2 682 950 11 ORNAMENTAL FRAME V 52 609 2 682 949 11 ORNAMENTAL FRAME H 52 610 2 673 579 02 BEZEL BUSH KLV 46 52X300A 46 52W380A CH 5 14 5 3 KLV 46W380A REAR COVER ASSY 5 3 1 REF No PART No 701 702 703 704 705 A X 2179 461 1 3 274 400 01 2 673 535 11 3 106 921 41 1 754 544 21 DESCRIPTION REAR COVER ASSY 46 LABEL HDMI SERVICE COVER LABEL REAR TERMINAL ANTENNA FOR ISOLATION MARK REF No 706 707 708 709 710 1 Qul v Oh 7 2 2 2 2 2 GSM 2 2 580 607 01 2 580 640 01 2189 838 1 2 595 155 02 3 279 676 01 7 685 648 79 DESCRIPTION MARK SCREW PSW M5X12 SCREW BVTP2 4X16 STAND L ASSY CLAMP CONNECTOR HOLDER FIX2 SCREW BVTP 3X12 TYPE2 IT 3 KLV 46 52X300A 46 52W380A CH 5 15 KLV 46W380A 5 3 2 ARM ASSY AND STAND ASSY AND HW2 BOARD MARK DESCRIPTION PART No REF No MARK
24. 3X5 11 Chassis bracket One screw BVST 4X8 9 One screw PSW M3X5 2 Two screws KTT 3X10 3 AC inlet D One screw PSW M4X6 5 Three screws BVTP2 4X16 4 Four screws PSW M5X8 6 Lower stay KLV 46 52X300A 46 52W380A CH 1 5 KLV 46X300A 1 1 11 LCD PANEL AND FRONT CABINET ASSY REMOVAL D Three screws BVTP2 4X16 D Six screws BVTP2 4X16 2 LCD panel 0 Ornamental frame V M2 taping V 8 One screw F 5 Foue screws 3X1 2 FIXED One screw M2 taping DZ 47 Ornamental w 3 Ornamental frame 4 One screw One screw M2 taping 3X1 de 2 Six screws FIXED N NN N 9 One screw 2 tapin xe Two screws Six screws U U FIXED FIX One screw EN YW PQ One screw M2 tapping SEP M2 taping 22 Ornametal joint 60 Ornamental frame 9 Ornamental frame V 7 One screw M2 tapping Two screws FIXED Ornametal joint 4 Center cabinet 5 One screw 3X12 6 Bezel assy TO INSERT THE CONNECTOR The connector might not be properly locked when only pressed from the middle Be sure to press both sides to confirm it is property locked Press the middle 2 Press the right 3 Press the left part of the connector side to confirm it is side to confirm it is to insert till it locks locked
25. 5 VH CONNECTOR ASSY SP 4P 1 834 619 11 LEAD WIRE WITH CONNECTOR LVDS 1 910 040 25 XA CONNECTOR ASSY A 1016 1 910 037 68 CONNECTOR ASSY USB 1 910 042 14 MO1929 CONNECTOR ASSY 40 1 910 040 37 GH CONNECTOR ASSY 6P 1 910 036 91 CONNECTOR ASSY DF3 KLV 46 52X300A 46 52W380A CH 5 21 5 4 KLV 52W380A REAR COVER ASSY 5 4 1 VA 4 LITITZ Ppp Jf fa SR Lf fl 2 Z 7 7 7 J 7 2 22 2 27 X LL 7 27 gt gt 7 7 NY LE R FY 7 H f f V R d A LL 7 77 A 7 777 Dy ZN 2 o VTL a a a MARK DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No LABEL REAR TERMINAL LABEL HDMI SERVICE COVER 1056 3 274 400 01 1057 3 106 921 41 1058 2 673 535 11 1059 SCREW PSW M5X12 STAND BASE L ASSY 1054 2 595 155 02 CLAMP X 2318 303 1 1052A X 2177 856 2 REAR COVER ASSY 52 1053 2 580 607 01 1051 1 754 544 21 ANTENNA FOR ISOLATION CONNECTOR HOLDER FIX2 1060 3 279 676 01 SCREW BVTP2 4X16 1055 2 580 640 01 7 685 648 79 SCREW BVTP 3X12 TYPE2 IT 3 1 5 22 KLV 46 52X300A 46 52W380A KLV 52W380A 5 4 2 ARM ASSY AND STAND ASSY AND HW2 BOARD REF No 1101 1102 1103 1104 1105
26. 580 591 01 412 SCREW BVST 4X8 413 CONTROL BUTTON ASSY 403 X 2179 792 1 A 1314 446 A H1 MOUNT 404 405 SCREW PWTP2 4X16 SCREW PSW M3X5 1 910 038 17 CONNECTOR ASSY LUG 414 415 1361 957 HW2 COMPL 2 580 607 01 416 2 580 606 01 2 580 629 01 3 106 942 41 2 689 737 01 3 106 923 51 406 SCREW PSW M5X12 SCREW PSW M5X8 SCREW BVST 3X8 BRACKET CARD COVER MS 407 408 409 7 685 648 79 SCREW BVTP 3X12 IT 3 1 LABEL SIDE TERMINAL 410 KLV 46 52X300A 46 52W380A CH KLV 52X300A 5 2 3 CHASSIS 1 P 6 V WI HA 2 N NA WS MARK DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No SCREW PSW 3SG 452 A 1253 588 DES MOUNT 453 A 1253 587 B DEA MOUNT 454 A A 1361 550 C GF2 COMPL 2 674 965 51 451 5 11 KLV 46 52X300A 46 52W380A CH KLV 52X300A 5 2 4 CHASSIS 2 The components identified by mark fl contain confidential information Strictly follow the instructions whenever the components are repaired and or replaced REF No PART DESCRIPTION MARK REF No PART No DESCRIPTION MARK 501 2 580 629 01 SCREW BVST 3X8 511 1 821 376 11 BOARD TO
27. 9 FAN_ERR FAN Error Not Detected Display Only BALANCER Panel Balancer Error When self diagnosis happens STANDBY RED LED blinks and the history can be seen on display by self diagnosis mode KLV 46 52X300A 46 52W380A CH 3 4 3 3 1 Flow Chart C RED LED Blinks Standby Indicator 3 3 2 POWER OVP RED 2 times blink YES See 3 3 6 TEMP ERR 3 3 3 POWER ERROR RED 3 times blink RED 7 times blink YES See 3 3 7 AUDIO ERROR RED 8 times blink See 3 3 4 T CON ERROR RED 5 times blink YES See 3 3 9 BALANCER ERROR RED 13 times blink See 3 3 5 BACK LIGHT ERROR RED 6 times blink KLV 46 52X300A 46 52W380A CH 3 5 3 3 2 POWER OVP 2 Times blink This indicates OVP Over Voltage Protection of GF1 GF2 board 12V line or 6 5Vline on GF1 GF2 board is over voltage TV Micro on AG board pin139 detects OVP ERR and shuts down chassis power to Stand by status TV Micro 139 Normal condition Low Error case High Heplace GF1 GF2 board 3 3 3 POWER ERROR RED 3 Times blink This indicates POWER Error Low B error of 12V from GF1 GF2 board TV Micro on AG board pin150 detects POWER ERR and shuts down chassis power to Stand by status TV Micro 150 Normal condition High Error case Low Check 12V at CN002 1 2 on AG board And F200 on AG has 12V or not Check GF1 GF2 board KLV 46 52X300A 46 52W380A 3 6 3 3 4 T CON ERROR RED 5
28. AL 11 Chassis bracket One screw BVST 4X8 9 One screw a PSW M3X5 2 Two screws KTT 3X10 8 AC inlet T PSW M4X6 9 Six screws PSW M3X5 9 One screw PSW M3X5 5 Two screws BVTP2 4X16 4 Four screws PSW M5X8 6 Lower stay H3 board KLV 46 52X300A 46 52W380A CH 1 11 KLV 52X300A 1 2 11 LCD PANEL AND FRONT CABINET ASSY REMOVAL D Tree screws BVTP2 4X16 Ornamental frame V M2 taping 3 One screw 9 Four screws BV 3X12 FIXED U One screw M2 taping 07 Ornamental joint One screw gt M2 taping One screw BV 3X1 ds GH EX Six screw FIXED TN 60 Ornamental frame H TO INSERT THE CONNECTOR The connector might not be properly locked when only pressed from the middle Be sure to press both sides to confirm it is property locked D Press the middle part of the connector to insert till it locks 2 Press the right side to confirm it is locked 3 Press the left side to confirm it is locked D Six screws BVTP2 4X16 2 LCD panel 3 Ornamental frame 11 One screw M2 taping 02 Six screw FIXED Two screws UP FIXED One screw M2 tapping Ornametal joint 9 Ornamental frame V One screw M2 taping Two screws FIX Ornamental joint 4 Center cabinet 5 One screw 4 PSW M3X12 6 bezel a
29. ARD REMOVAL 1 20 1 4 5 DF4 DF5 AND GF2 BOARDS REMOVAL aan 1 21 1 4 6 FB TOP SHIELD REMOVAL 1 21 1 4 7 AG AND FB2 BOARDS REMOVAL 1 22 1 4 8 TUG BOARD REMOVAL 1 22 1 4 9 UB2 BOARD REMOVAL 1 23 1 4 10 CHASSIS BRACKET AND STAY REMONAE Leuten dE 1 23 1 4 11 SPEAKER REMOVAL 1 24 1 4 12 LCD PANEL AND HW3 BOARD ss tete btt o ep 1 24 2 SERVICE MODE ADJUSTMENT 2 1 2 1 Goto TV standby condition 2 2 2 Enterine Service Mode rrt 2 2 3 Change Setting Data for TV 2 2 2 4 Write data Tor TVM 2 3 2 5 Entering BEM service 2 4 2 6 Change Setting Data for BEM 2 5 2 5 Write data Tor BEM uuu ntt rdiet tetro 2 6 25 DH Mdina 2 7 2 9 How to change shipping condition 2 8 3 TROUBLE SHOOTING 3 1 3 1 No Power Flow Chart_B 3 2 5 29 SEA ISeDOO S ae 3 3 33 SELF DIAGNOSIS ehi 3 4 32315 Flow CHAR oett xem sto eta 3 5 3 3 2 POWER OVP RED 2 Times blink 3 6 3 3 3 POWER ERROR RED 3 Times blink
30. CONNECTOR LVDS 316 1 910 037 63 307 1 910 040 25 XA CONNECTOR ASSY A 308 1 910 041 46 1929 CONNECTORASSY 40 309 1 910 040 37 CONNECTOR ASSY FAN 6P 310 1 910 036 91 CONNECTOR ASSY DF3 KLV 46 52X300A 46 52W380A CH DESCRIPTION MARK LEAD WIRE WITH CONNECTOR LVDS FASTEN CONNECTOR ASSY HW2 SHLDP CONNECTOR ASSY 20P XA CONNECTORASSY DF1 9P VH CONNECTOR ASSY SP 4P CONNECTOR ASSY USB 5 8 5 2 KLV 52X300A 5 2 1 REAR COVER ASSY REF No PART No 351 A X 2186 900 2 352 3 106 921 41 353 2 673 535 11 354 3 274 400 01 355 2 580 640 01 DESCRIPTION REAR COVER ASSY 52 LABEL REAR TERMINAL SERVICE COVER LABEL HDMI SCREW BVTP2 4X16 MARK DDA PLL LL LB W EN 7 ZZ y REF No 356 357 PART No DESCRIPTION MARK 2 580 607 01 SCREW PSW M5X12 1 754 544 21 ANTENNA FOR ISOLATION 7 685 648 79 SCREW BVTP 3X12 IT 3 KLV 46 52X300A 46 52W380A CH 5 9 e m hs A gt MARK 5 10 KLV 52X300A 5 2 2 ARM ASSY AND STAND ASSY AND HW2 BOARD DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No 3 100 217 22 BRACKET SIDE TERMINAL 411 X 2178 018 1 401 402 STAND BASE L ASSY 2 595 155 02 CLAMP 2 580 630 01 2 580 654 01 2
31. F No PART No DESCRIPTION MARK REF No PART DESCRIPTION MARK 1201 2 580 629 01 SCREW BVST 3X8 1211 2 580 591 01 SCREW PSW M3X5 1202 1 251 658 41 SPLITTER RF 1212 4 635 966 01 SCREW HEX 1203 1314 425 TUG MOUNT 1213 1 821 375 11 BOARD TO BOARD CONNECTOR 80P 1204 1 558 924 21 CABLE 1214 1 821 376 11 BOARD TO BOARD CONNECTOR 50P 1205 4 035 862 0414 CLAMP FG 1215 1 910 029 20 EH CONNECTOR ASSY 2P 1206 2 689 737 01 COVER MS 1207 3 106 942 41 BRACKET CARD 1208 2 580 630 01 SCREW BVST 4X8 1209 1362 571 FB2 COMPL 1210 1314 443 AG COMPL KLV 46 52X300A 46 52W380A CH 5 25 KLV 52W380A 5 4 5 SPEAKER AND CHASSIS BRACKET No PART 1251 2 596 649 01 1252 A 1 819 729 14 1253 2 580 599 01 1254 1 826 697 11 1255 1 826 695 11 DESCRIPTION MARK KTT 3X10 S TYPE INLET AC WITH NOISE FILTER SCREW PSW M4X6 LOUDSPEAKER 13X7CM LOUDSPEAKER 40MM TWEETER REF No 1256 1257 1258 1259 PART No 2 580 640 01 2 580 606 01 2 580 591 01 2 580 630 01 DESCRIPTION SCREW BVTP2 4X16 SCREW PSW M5X8 SCREW PSW M3X5 SCREW BVST 4X8 KLV 46 52X300A 46 52W380A CH MARK 5 26 KLV 52W380A 5 4 6 BEZEL AND LCD PANEL 4 NS KE AE ZN EA ZZ LEWYM m A ZZ 0 27 a v a T7 MARK DESCRIPTION
32. H 2 1 Change data by service mode 2 3 Change Setting Data for TV 1 Press 2 5 on remote commander to select up down category 2 Press 1 remote commander to select up down Item 3 Press 3 6 on remote commander to change up down data 2 1 2 Press 2 increment Press 5 decrement E Remote Commander Service menu KLV 46 52X300A 46 52W380A CH 2 2 Change data by service mode 2 4 Write data for TVM 1 Press Mute on remote commander It shows green SERVICE changes to green WHITE 2 Press 0 on remote commander Green WHITE changes to red WHITE It indicates writing processing 3 After for 1 minute red WRITE changes to green SERVICE Writing process Is done at this point M nnn SERVICE gt WRITE gt WRITE gt SERVICE Remote Commander Service menu KLV 46 52X300A 46 52W380A CH 2 3 Change data by service mode 2 5 Entering BEM service menu 1 Press Previous channel on remote commander Remote Commander Service menu KLV 46 52X300A 46 52W380A CH 2 4 Change Setting data by service mode 2 6 Change Setting Data for BEM 1 Press 2 5 on remote commander to select up down category 2 Press 1 4 on remote commander to select up down Item 3 Press 3 6 on remote commander to change up down data Press 2 Press 51066 rement Press 1 Press 4 Remote C
33. I A HDMI IN I only ZU uer LH VIDEO OUT C gt Video output phono jacks TH AUDIO OUT G Audio output phono jacks PC RGB PC Input D sub 15 pin G 0 7 Vp p 75 ohms non Sync on Green B 0 7 Vp p 75 ohms R 0 7 Vp p 75 ohms HD 1 5 Vp p VD 1 5 Vp p PC audio input minijack HL Headphone Q Headphones jack USB USB USB port Power and others 220 V AC 50 Hz Screen Size 46 inches 52 inches 46 inches 52 inches Approx 116 8 cm Approx 132 2cm Approx 116 8 cm Approx 132 2 cm measured diagonally measured diagonally measured diagonally measured diagonally Standby Power Consumption Dimensions a Optional Accessories Wall Mount Bracket SU WL500 p AE A 21 HERE 5 35 RE 20 80 NR ER 86 kPa 106 kPa Specified standby power is reached after the TV finishes necessary internal processes The values of dimensions and mass are approximate KLV 46 52X300A 46 52W380A CH 2 KLV 46X300A KLV 52X300A KLV 46W380A KLV 52W380A SLE 150 1 D ACE 1026350 HEH400 814 Las Sech 450 H450 Ar SI EDI Le EG 32 LL Eck 12 5 VEE Fe 20 ms LA F Fa be PE 10 LL 4 57 11348 2006 HAP RAE o 1 25 111343 2006 BF FB ENE HIA YS lt PE e 5 Design and specifications
34. MODIFICATION HISTORY MODEL NAME KLV 46 52X300A 46 52W380A SERVICE MANUAL PARTS No 9 834 177 02 Blue characters are linking Self Diagnosis MANUAL China Model SERVICE RM SA013 KLV 46X300A 52X300A KLV 46W380A 52W380A FIX2 crassis LCD Colour TV SONY SPECIFICATIONS LCD Liquid Crystal Display Panel Channel Coverage D K VHF CI to C12 R1 to R12 UHF C13 to C57 R21 to R60 S01 to S03 S1 to SA1 Z1 to 739 B G E2 to E12 UHF E21 to E69 S01 to S03 S1 to S41 UHF B21 to B69 01 to S03 S1 to S41 M A2 to A13 UHF A14 to A79 A 8 to A 2 A to W 4 W 6 to W 84 Sound Output 9 W 9W THD Total Harmonic Distortion 7 Input Output jacks Antenna 75 ohm external terminal for VHF UHF S in S VIDEO IN 5 5 5 1 S video input 4 pin mini DIN 2 VIDEO IN 6 1 2 3 Video input phono jack HA AUDIO IN 1 2 3 Audio input phono jacks 500 mVrms Impedance 47 kilohms HD DVD g HD DVD 5 1 Supported formats 1080 10801 720p 576p 576i 480p 4801 32 Y I Vp p 75 ohms 0 3V negative sync PB CB 0 7 Vp p 75 ohms PR CR 0 7 Vp p 75 ohms HDMI fy A HDMIIN I 2 3 Video 1080 24p 1080p 1080i 720p 576p 576i 480p 4801 Audio Two channel linear PCM 32 44 1 and 48 kHz 16 20 and 24 bits Analogue audio input phono jacks 500 mVrms Impedance 47 kilohms HDM
35. No 1 834 140 21 1 910 039 50 1 910 037 69 1 910 036 95 1 910 037 64 1 910 041 89 KLV 46 52X300A 46 52W380A CH 365 E DESCRIPTION MARK LEAD WIRE WITH CONNECTOR LVDS FASTEN CONNECTOR ASSY HW2 SHLDP CONNECTOR ASSY 20P XA CONNECTOR ASSY DF4 9P CONNECTOR ASSY USB VH CONNECTOR ASSY SP 4P 5 28 5 5 1 REF No PART No 1401 2 686 511 01 1402 1 480 335 11 1403 1 830 860 31 1404 X 2102 511 2 1405 2 580 663 01 5 5 PACKING MATERIALS KLV 46X300A DESCRIPTION MARK CUSHION LOWER REMOTE COMMANDER RM SA013 CORD POWER BAG ASSY RUDDER LOCK SCREW WOOD 3 8X20 REF No PART No 1406 2 593 320 02 1407 1 793 504 11 1408A 3 217 286 11 1409 3 272 868 11 1410 2 686 509 01 1411 2 686 510 01 1412 3 278 340 01 1413 2 686 508 01 1414 4 081 035 01 KLV 46 52X300A 46 52W380A CH MARK DESCRIPTION SCREW CION M6X18 CABLE ASSY 15PDSUBX2CONNECTOR MANUAL INSTRUCTION MANUAL INSTRUCTION WALLMOUNT BOARD TOP CUSHION UPPER INDIVIDUAL CARTON TRAY JOINT 5 29 REF No PART No 1451 2 891 430 01 1452 1 480 335 11 1453 2 580 663 01 1454 2 593 320 02 1455 1 830 860 31 1456 1 793 504 11 1457 X 2149 990 1 1458 2 888 349 01 1459 3 217 286 11 1460 3 272 868 11 5 5 2 KLV 52X300A DESCRIPTION MARK CUSHION LOWER REMOTE COMMANDER RM SA013 SCREW WOOD 3 8X20 SCREW CION M6X18 CORD POWER
36. No DESCRIPTION MARK 251 A 1 802 491 12 LCD PANEL 46INCH FHD 261 2 687 999 01 SCREW LINE HEX PSW M3X12 252 A X 2179 559 1 FRONT CABINET ASSY 46 253 254 262 X 2178 015 2 BEZEL ASSY 46 255 257 258 259 260 261 262 1 263 4 090 795 01 GASKET IB 253 2 694 106 01 SCREW M2 TAPING 254 2 694 107 01 SCREW FIXED 1 7 685 648 79 SCREW BVTP 3X12TYPE2 IT 3 255 X 2179 737 1 GUIDE ASSY 256 2 580 640 01 SCREW BVTP2 4X16 257 2 673 391 01 ORNAMENTAL JOINT 258 2 673 390 11 ORNAMENTAL FRAME V 46 259 2 673 389 11 ORNAMENTAL FRAME H 46 260 2 673 579 02 BEZEL BUSH KLV 46 52X300A 46 52W380A CH 5 7 KLV 46X300A 5 1 7 CONNECTOR ASSY 90 pr 601 9 CT H CN6708 6707 CN6905 CN6904 EU 056706 DF3 board UB1 board CN6800 CN7201 E CN7200 CN3500 CN5600 FB2 board INVERTER CN6152 CN6153 d CN6154 d CN6000 H1 board AC inlet an CN5601 INVERTER HW2 board CN7022 EJ H4 board board 989201 cn3301 Speaker L L Speaker R REF No PART No DESCRIPTION MARK REF No PART No 301 A 1 834 263 11 CONNECTOR ASSY 311 1 834 140 21 302 1 910 036 92 XA CONNECTOR ASSY BL 7P 303 1 910 036 81 VH CONNECTORASSY DF1 312 1 910 039 50 304 1 910 037 00 XA CONNECTOR ASSY UB 6P 313 1 910 037 69 305 1 910 041 82 XA CONNECTOR ASSY FB 13P 314 1 910 036 82 315 1 910 041 44 306 1 834 619 11 LEAD WIRE WITH
37. Times blink This indicates T CON RDY signal error from timing controller of Panel module BE micro pin 128 on FB2 board detects it BE Micro 128 Normal condition High Error case Low Replace Panel module 3 3 5 BACK LIGHT ERROR RED 6 Times blink This indicates panel power circuit error such as inverter BE micro pin 78 on FB2 board detects it BE Micro 78 Normal condition High Error case Low Replace DF boards KLV 46 52X300A 46 52W380A CH 3 7 3 3 6 TEMP ERROR RED 7 Times blink This indicates high temperature inside chassis IC001 on AG Board Side is monitoring temperature 001 is controlled by BEM I2C When it happens Check chassis environment Check around 001 and replace AG if temperature monitoring circuit has problem Check panel 3 3 7 AUDIO ERROR RED 8 Times blink This indicates Audio Error Protection It happens IC8806 on AG board Audio Amp detects over current thermal shut down and or low voltage of itself DC voltage detected for speaker line Check above and replace AG board KLV 46 52X300A 46 52W380A 3 8 3 3 8 BALANCER ERROR RED 13 Times blink This indicates Balancer board error of panel module BE micro pin 113 on FB2 board detects it BE Micro 113 Normal condition Low Error case High 40 Check harness connection CN6701 on DF1 board and CN126 on balancer board of panel module 46 Check harness connection CN6701 on DF2 bo
38. ard and CN138 on balancer board of panel module 52 Check harness connection CN6701 on DF4 board and CN324 on balancer board of panel module Replace Panel Module KLV 46 52X300A 46 52W380A CH 3 9 3 4 COMMUNICATION ERROR TV micro on AG board is communicating with EMMA2Lr on FB2 board If EMMA has any problems TVM retries to communicate and waits the response of EMMA It will be timeout in about one minute and TVM start power up sequence w o communicating with EMMA Then picture appears but No OSD FB2 board PS3900 conduction EMMA software upgrade error Rewrite software of EMMA If it still NG replace FB2 board KLV 46 52X300A 46 52W380A CH 3 10 3 5 AUDIO PROBLEM Flow Chart D Audio problem HDMI NS Analog NO Digital NO Check Problem Channel Channel AG Board Problem Problem YES YES YES Check Check Check FB2 board TUG board AG Board AG Board AG Board Ul setting correct Volume SP off On HP Link YES NO Set correctly or Check reset by menu Speaker AG board KLV 46 52X300A 46 52W380A CH 3 11 Video problem All inputs have problem YES Back Light turn on Check LVDS harness FB2 and Panel GF1 GF2 DF boards FB2 board Panel Module YES 3 6 VIDEO PROBLEM Flow Chart E HDMI NO Analog NO Problem Channel Problem YES YES Check TUG board AG board 2 board Check
39. are subject to change without notice PC Input Signal Reference Chart _ DO zen Vertical Signals Horizontal Pixel Vertical Line frequency frequency Hz Standard kHz VGA 640 480 VGA 640 480 37 5 15 VESA 720 400 31 5 70 VGA T SVGA 800 600 37 9 60 VESA Guidelines 800 600 46 9 15 VESA XGA 1024 768 48 4 60 VESA Guidelines 1024 768 56 5 70 VESA 1024 768 60 0 15 VESA WXGA 1280 168 47 4 60 VESA 1280 168 47 8 60 VESA 1280 768 60 3 15 1360 168 41 1 60 VESA SXGA 1280 1024 64 0 60 VESA 1280 1024 80 0 15 VESA HDTV 1920 1080 67 5 60 This TV s PC input does not support Sync on Green or Composite Sync This TV s PC input does not support interlaced signals For the best picture quality it is recommended to use the signals boldfaced in the above chart with a 60 Hz vertical frequency from a personal computer In plug and play signals with a 60 Hz vertical frequency will be selected automatically KLV 46 52X300A 46 52W380A CH 3 WARNINGS AND CAUTIONS CAUTION These servicing instructions are for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so WARNING An isolation transformer should be used during any service to avoid possible shock hazard because of live chassis The chassis of this receiver is directly con
40. art B YES YES See Set Re boots 3 2 Reboot NO See 3 3 Self Diagnosis Self diagnosis NO It takes about a minute until picture appears YES See 3 4 Communication Error NO Audio Video See See 3 6 Video problem Flow Chart_E 3 5 Audio Problem Flow Chart_D KLV 46 52X300A 46 52W380A CH 3 1 3 1 No Power Flow Chart B No Power No relay clicks No RED LED Blinks Standby Indicator NO See 3 3 1 Flow Chart C YES Power key doesn t work NO HW1 board YES 80 240Vac NO F1 GF2 board YES AG board 5Vdc CNOO1 9 on AG Board bos GF1 GF2 board No STBY5V YES KLV 46 52X300A 46 52W380A CH 3 2 3 2 Set Reboots TV micro on AG board is monitoring BE Micro on FB2 board are alive or not like watch dog timer When BEM has not boot up I VM try to re start We can see chassis reboot at this case Check FB2 board has correct power or not FB2 board CN 5600 12V 6 5V power and harness to GF1 GF2 Board F4100 F4102 F5200 conduction If power rail has no problem replace FB2 board KLV 46 52X300A 46 52W380A CH 3 3 3 3 SELF DIAGNOSIS Hed LED Display Contents Blink Self Diagnosis mode POW OVP Main Power Over Voltage Protection POW ERR T_CON T CON Error 6 BACKLITE Back Light Error Panel Inverter TEMP ERR Temperature Abnormal Detection 8 AUD PROT Audio Abnormal Detection
41. c 4 LED OFF 0 3 sec LED OFF 3 SEC Note One flash counts is not self diagnostic ARK ns JA STANDBY INDICATOR lt KLV 46 52W380A gt Bex HERR MR XE R STANDBY INDICATOR 1 3 STOPPING THE STANDBY FLASH Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY lamp from flashing KLV 46 52X300A 46 52W380A CH 6 1 4 SELF DIAGNOSTIC SCREEN DISPLAY For errors with symptoms such as power sometimes shuts off or screen sometimes goes out that cannot be confirmed it is possible to bring up past occurrences of failure for confirmation on the screen 1 4 1 To Bring Up Screen Test In standby mode press buttons on the remote commander sequentially in rapid succession as shown below gt gt even MENU NUMBERBUTTON VOLUME TV STANDBY Note that this differs from entering the service mode volume SELF DIAGNOSTIC SCREEN DISPLAY SELF CHECK POWOVP POW 1 T CON BACKLITE TEMP ERR AUD PROT FAN ERR BALANCER 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 Monitoring
42. eakage Leakage Test The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA 500 microamperes Leakage current can be measured by any one of three methods 1 A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instructions 2 A battery operated AC milliampmeter The Data Precision 245 digital multimeter is suitable for this job Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson s 250 and Sanwa SH 63TRD are examples of passive VOMs that are suitable Nearly all battery operated digital multimeters that have a 2 VAC range are suitable see Figure A How to Find a Good Earth Ground A cold water pipe is a guaranteed earth ground the cover plate retaining screw on most AC outlet boxes is also at earth ground If the retaining screw is to be used as your earth ground verify that it is at ground by measuring the resistance between it and a cold water pipe with an ohmmeter The reading should be zero ohms If a cold water pipe is not accessible connect a 60 to 100 watt trouble light not a neon lamp between the hot side of the receptacle and the retaining screw Try both slots if necessary
43. er stay 1 4 10 CHASSIS BRACKET AND STAY REMOVAL Chassis bracket D I One screw PSW M3X5 EEE One screw BVST 4X8 PSW M3X5 gt 6 One screw 5 d PSW M3X5 TR NG Two screws PSW M5X8 8 Two screws BVTP2 4X16 Two screws KTT 3X10 One screw PSW M3X5 PSW M3X5 9 Stay lower L 2 One screw PSW M3X8 D One screw BVTP2 4X16 4 One screw BVTP2 4X16 6 Stay upper R KLV 46 52X300A 46 52W380A CH KLV 52W380A 1 4 11 SPEAKER REMOVAL 2 Three screws a Loud speaker BVTP2 4X16 Loud speaker Three screws BVTP2 4X16 6 Loud speaker Tweeter 1 4 12 LCD PANEL AND HW3 BOARD REMOVAL Three screws BVTP2 4X16 2 LCD panel Y screw BVTP2 4X16 3 HW3 board Bezel assy 1 24E KLV 46 52X300A 46 52W380A CH SERVICE MODE ADJUSTMENT How to go to service mode 2 1 Go to TV standby condition 2 2 Entering Service Mode 1 Push i info 5 Volume then TV button with remote commander 2 Service mode menu will appear on display Remote Commander SECTION 2 TVM Service Menu 000 VERSION 00 VERS Digital lt ASUCA gt lt DTAU gt Program Boot Program Program Data Boot Program Data Boot Program 2 14 104 0 27 9 0 000 0 000 0 000 0 000 1 003 1 002 1 000 1 007 1 007 Service menu KLV 46 52X300A 46 52W380A C
44. maging the wires may cause a short 9 Protect the panel from ESD to avoid damaging the electronic circuit C MOS KLV 46 52X300A 46 52W380A CH 4 SAFETY CHECK OUT After correcting the original service problem perform the following safety checks before releasing the set to the customer Check the area of your repair for unsoldered or poorly soldered connections Check the entire board surface for solder splashes and bridges 2 Check the interboard wiring to ensure that no wires are pinched or touching high wattage resistors 3 Check that all control knobs shields covers ground straps and mounting hardware have been replaced Be absolutely certain that you have replaced all the insulators 4 Look for unauthorized replacement parts particularly transistors that were installed during a previous repair Point them out to the customer and recommend their replacement 5 Look for parts which though functioning show obvious signs of deterioration Point them out to the customer and recommend their replacement 6 Check the line cords for cracks and abrasion Recommend the replacement of any such line cord to the customer 7 Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below To Exposed Metal Parts on Set AC Voltmeter 0 750 Earth Ground FigureA Using an AC voltmeter to check AC l
45. n parts of an assembled part are indicated with a collation number in the remark colum Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items KLV 46 52X300A 46 52W380A CH 5 1 5 1 5 1 1 KLV 46X300A REAR COVER ASSY REF No PART No 1 2 3 4 5 A X 2186 848 2 3 274 400 01 2 673 535 11 3 106 921 41 2 580 640 01 DESCRIPTION COVER ASSY REAR 46 LABEL HDMI SERVICE COVER LABEL REAR TERMINAL SCREW BVTP2 4X16 MARK NN WLLL REF No 6 7 1 Ses 55 fd 4 o 2004 7 7 d OU FG d AN 7 ooo E 4 7777 2 is Z PART No DESCRIPTION MARK 2 580 607 01 SCREW PSW M5X12 1 754 544 21 ANTENNA FOR ISOLATION 7 685 648 79 SCREW BVTP 3X12 IT 3 KLV 46 52X300A 46 52W380A CH 5 2 d RN 7 Ge VERT EN 7 S KP poc gt A BEN dar ZE CRM R NER MARK 5 3 KLV 46X300A 5 1 2 ARM ASSY AND STAND ASSY AND HW2 BOARD DESCRIPTION PART No REF No MARK DESCRIPTION PART No REF No SCREW PSW M3X5 SCREW BVST 4X8 SCREW BVTP2 4X16 7 685 648 79 SCREW BVTP 3X12
46. nected to the ac power line AN SAFETY RELATED COMPONENT WARNING Replace all components with Sony parts whose part numbers appear as shown in this manual or in supplements published by Sony SAFETY RELATED COMPONENT WARNING It is essential that all critical parts be replaced only with the part number specified in the electrical parts list to prevent electric shock fire or other hazard NOTE Do not modify the original design without obtaining written permission from the manufacturer or you will void the original parts and labor guarantee USE CAUTION WHEN HANDLING THE LCD PANEL When repairing the LCD panel be sure you are grounded by using a wrist band When repairing the LCD panel on the wall the LCD panel must be secured using the 4 mounting holes on the rear cover Do not press on the panel or frame edge to avoid the risk of electric shock 2 Do not scratch or press on the panel with any sharp objects 3 Do not leave the module in high temperatures or in areas of high humidity for an extended period of time 4 Do not expose the LCD panel to direct sunlight 5 Avoid contact with water It may cause a short circuit within the module 6 Disconnect the AC power when replacing the backlight CCFL or inverter circuit High voltage occurs at the inverter circuit at 650Vrms 7 Always clean the LCD panel with a soft cloth material 8 Usecare when handling the wires or connectors of the inverter circuit Da
47. o screws BVTP 3X12 8 One screw 2 HW2 board PSW M3X5 Two screws PSW M3X5 4 Side terminal bracket 5 CARD bracket 1 20 KLV 46 52X300A 46 52W380A CH KLV 52W380A 1 4 5 DF4 DF5 AND GF2 BOARDS REMOVAL 4 Four screws PSW 3SG GF2 board 6 Four screws PSW 3SG DF4 board 8 GFD bracket L Hooks Five screws PSW 3SG D LO LL Claws 8 bracket 1 4 6 FB TOP SHIELD REMOVAL One screw BVST 3X8 HEX 2 Two screws 7 Four screws PSW M3X5 One screw PSW M3X5 FB top shield assy 8 One screw BVST 3X8 6 One screw PSW M3X5 2 Lead wire with connector LVDS 1 21 KLV 46 52X300A 46 52W380A CH KLV 52W380A 1 4 7 AG AND FB2 BOARDS REMOVAL 1 Board to board connector 80P lt Board to board connector 50P 6 AG board 8 Ten screws PSW M3X5 4 FB2 board 1 4 8 TUG BOARD REMOVAL 5 Two screws 9 Pin Cable BVST 3X8 5 Two screws BVST 3X8 6 TUG board Four screws BVST 3X8 Claws 2 One Screw PSW M3X5 KLV 46 52X300A 46 52W380A CH 1 22 KLV 52W380A 1 4 9 UB2 BOARD REMOVAL Two screws PSW M3X5 2 Fin assy 4 Three screws 7 PSW 3X8 4 UB1 shield 5 One screw PSW M3X5 One screw BVTP2 4X16 Upp
48. ommander Service menu KLV 46 52X300A 46 52W380A CH 2 5 data by service mode 2 Write data for BEM 1 Press Mute on remote commander It shows green SERVICE changes to green WHITE 2 Press 0 on remote commander Green WHITE changes to red WHITE It indicates writing processing After for few second red WHITE changes to green SERVICE Writing process is done at this point SERVICE gt WRITE WRITE WRITE OK SSE Service menu Remote Commander KLV 46 52X300A 46 52W380A CH 2 6 2 8 CH Model 34 1 8 Service Menu SE 000 VERSION 000 VERS 000 CU pe lt Digital gt di EMMA2LR Application Boot 0 27 9 DN LE ASUKA lt ASUCA gt Program 0 000 only for AEP Application Boot 0 000 ata Application Root 0 000 Program 1 005 Application Data 1 007 Boot 1 001 KLV 46 52X300A 46 52W380A CH 2 7 Set to shipping condition 2 9 How to change shipping condition 1 2 3 4 During service mode press 8 on remote commander Press mute on remote commander Press 0 on remote commander Display change to SERVICE gt RST gt RST EXE gt RST EXE N The error history will be reset Remote Commander KLV 46 52X300A 46 52W380A 2 8 SECTION 3 TROUBLE SHOOTING Trouble Shooting See Set Power NO 3 1 No Power Flow Ch
49. ssy KLV 46 52X300A 46 52W380A CH 1 12 1 3 KLV 46W380A REAR COVER ASSY REMOVAL 1 3 1 Two screws PSW M5X12 BVTP2 4X16 o 2 o Y CN o B gt 4 Rear cover assy 7 Six screws d 8 Two screws 3X12 n D Four screws BVTP2 4X16 7 Five screws BVTP2 4X16 1 3 2 STAND ASSY AND ARM ASSY REMOVAL PSW M5X12 Stand L assy 7 Two screws Two screws PSW M5X12 BVST 4X8 Three screws PSW M5X8 10 Stand holder 9 Two screws Two screws BVST 3X8 BVST 4X8 11 Two screws PSW M5X8 Three screws 45 Stand holder 6 Two screws BVST 3X8 5 Arm ASSY Arm L ASSY 1 13 KLV 46 52X300A 46 52W380A CH 1 3 3 HW1 BOARD REMOVAL KLV 46W380A HW1 board 2 Multi button assy 1 Button cover Two screws BVST 3X8 3 HW2 board 9 VA W sa NN 0 By LL r Be D Two screws 3X12 2 One screw PSW M3X5 1 3 4 HW2 BOARD REMOVAL 1 14 KLV 46 52X300A 46 52W380A CH 1 3 5 DF2 DF3 AND GF1 BOARDS REMOVAL KLV 46W380A 6 Four screws PSW 35 GF1 board PSW M3X5 3 Nine screws Board to board connector 80P 2 Board to board connector 50P
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