XOCECO LET2751 Скачать руководство пользователя страница 43

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456-3001C-12

SMD CAPACITOR C2012CH1H010CT

CA107

456-3001C-12

SMD CAPACITOR C2012CH1H010CT

CA106

456-3056H-12

SMD CAPACITOR C2012CH1H560JT

CA104

456-3122H-12

SMD CAPACITOR C2012CH1H221JT

CA63

456-3147H-12

SMD CAPACITOR C2012CH1H471JT

CA62

456-3147H-12

SMD CAPACITOR C2012CH1H471JT

CA103

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA93

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA92

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA01

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA02

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA07

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA32

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA34

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA39

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA38

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA37

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA36

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA41

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA40

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA90

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA88

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA89

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA91

456-3210H-12

SMD CAPACITOR C2012CH1H102JT

CA100

456-3215H-12

SMD CAPACITOR C2012CH1H152JT

CA114

456-3215H-12

SMD CAPACITOR C2012CH1H152JT

CA102

456-3222H-12

SMD CAPACITOR C2012CH1H222JT

CA111

456-3222H-12

SMD CAPACITOR C2012CH1H222JT

CA112

782-T32511-290C

REAR AV PCB

360-10001-00

TACT SWITCH KFC-A06-4X4.5X5B

655-21201-67

( 2-PINS

）

LEAD WITH HOUSING

782-13Y90-050A

BUTTON PCB

Содержание LET2751

Страница 1: ...COLOR TELEVISION TS2751 LET2751...

Страница 2: ...CONTENTS Safety Precautions Alignment instruction Debugging instruction Block diagram IC Block diagram Wiring diagram Exploded view Part list Schematic diagram 1 2 3 9 10 14 15 17 43...

Страница 3: ...amiliar with the necessary precaution on this receiver The following are the necessary precautions to be observed before servicing this chassis 1 Since the power supply circuit of this receiver is dir...

Страница 4: ...se of substitute replacement parts which do not have the same characteristics as specified in the parts list may create shock fire X RAY RADIATION or other hazards 2 Alignment items and procedure The...

Страница 5: ...and no sync and sound abnormity electrophoresis of it 4 4 White balance and screen grid voltage adjustment After enter P5 of factory menu use remote sensor directly to adjust white balance by pressing...

Страница 6: ...tage and filament voltage check Connect a high voltage meter between anode cap of picture tube and the ground measure the filament voltage using rms voltmeter set the picture mode to standard the high...

Страница 7: ...linearity scanning and geometric distortion and over scanning coincide with it P3 50 V SIZE 50HZ field amplitude 75 4 10 V SHIFT 50HZ field center 0 4 10 H PHASE 50HZ H center 10 4 10 V LINE 50HZ V li...

Страница 8: ...F TEST Color band filter center frequency 0 fixed P9 OVER MOD SW Selection over modulation function 0 Fixed 0 nothing 1 have OVER MOD LVL Adjustment over modulation working point 0 fixed BLK STR Dark...

Страница 9: ...TV AV model RY TV Red chromatism DC level 8 4 4 adjustment dark white balance TV AV model BY YUV DVD input Blue chromatism DC level 8 4 4 adjustment dark white balance DVD input RY YUV DVD input Red...

Страница 10: ...e unit no use VOL OFFSET 0 GAIN 3 PWM LOGIC 0 AVL MODE 2 AVL DET LEVEL 0 AVL SLOPE 0 PWM SET PWM VOL Volume control of PWM set 1 fixed 1 CHIP VOL Volume control of mono 0 fixed VOL 1 1 volume control...

Страница 11: ...ECTION V OUT N301 LA78041 H OUT V302 2SC2539 T301 FBT CRT DRIVE CRT EHV 28V VIDEO REM IF RF SIF CHROMA R G B POWER N501 CQ12656RT AC 120V 110V 110V AUDIO AMP AN7522 14V H VCC N503 5V 1 V SWITCH 4053 V...

Страница 12: ...10 MAIN IC LA76930 BLOCK DIAGRAM...

Страница 13: ...Y input 2 50 12 R ouput 2 65 53 Colour APC filter 3 40 13 G ouput 2 65 52 Selection video output and FSC output 2 40 14 B ouput 2 67 51 Cr input 2 50 15 AKB undo 2 31 50 4 43 MHZ crystal 2 73 16 Field...

Страница 14: ...high Level availability 0 35 VDD 5 00 31 I2C DATA 5 00 34 x T2 4 50 32 I2C CLOCK 5 00 33 x T1 2 70 AN7522 Pins function pin function pin function 1 power 7 GND input 2 CH1 output 8 CH2 input 3 GND 9 v...

Страница 15: ...13 FSCQ1265RT...

Страница 16: ...14 WIRING DIAGRAM...

Страница 17: ...15 EXPLODED VIEW...

Страница 18: ...1 E50Y3J0H1C 10 SIDE AV BOARD 667 TS2950 29 11 12 SPEAKER ST613 04 384 32108 50 13 TOUCH BUTTON 877 60595 00 14 BUTTON CAP 877 60531 00 15 BUTTON CAP PLATING 877 60530 01 16 WASHER 868 20217 00 17 SPE...

Страница 19: ...30043 00 LINE TIE 770 40151 40 IMITATEUL1672 22 400mm BLACK 780 10908 040 BACK CABINET MOLD GREY 807 20065 00 BACK CABINET PRESS BLOCK 807 20065 00 BACK CABINET PRESS BLOCK 808 10570 40 COVER BOARD LE...

Страница 20: ...ER WASHER 868 20452 00 CUSHION 868 20462 00A CRT SUPPORT 868 20529 00 CRT SUPPORT 868 20553 00 CABINET BOTTOM CUSHION 880 10205 A57 BACK PLATE LET2751 LEGEND 880 10777 A1 FRONT LOGO LEGEND SILVERY GRE...

Страница 21: ...LECTROLYTIC CAPACITOR CD110 25V 4 7uF M CS14 467 1C110 H03 CARBON RESISTOR 1 6W 100 J RS06 467 1C110 H03 CARBON RESISTOR 1 6W 100 J RS07 467 1C115 H03 CARBON RESISTOR 1 6W 150 J RS04 467 1C115 H03 CAR...

Страница 22: ...67 2G315 H0 METAL RESISTOR 2W 15k JL R419 467 2G315 H0 METAL RESISTOR 2W 15k JL R420 467 2G315 H0 METAL RESISTOR 2W 15k JL R421 467 8E227 H0A SOLID RESISTOR 1 2W 2 7K J R413 467 8E227 H0A SOLID RESIST...

Страница 23: ...OR ST2009DHI V302 343 52480 30 TRANSISTOR 2SC5248E V306 352 04310 00 IC LM431A M N504 352 06210 70U IC TLP621 GB UL O N502 352 12650 90 IC FSCQ1265RT N501 352 24080 50 IC M24C08BN6 N202 352 40520 60 I...

Страница 24: ...62547 M0 ELECTROLYTIC CAPACITOR CD288 160V 4 7uF M C340 464 62633 M0 ELECTROLYTIC CAPACITOR CD288 160V 33uF M C301 464 62710 M0 ELECTROLYTIC CAPACITOR CD288 160V 100uF M C517 464 65633 M0 ELECTROLYTIC...

Страница 25: ...CB ASS Y MANUAL INSERTION 681 40003 00 OK LABEL 706 20173 00 HEAT SINK N505 706 20231 00 HEAT SINK V306 706 46006 01 HEAT SINK N501 706 T3003 01 HEAT SINK N701 706 T5004 01 HEAT SINK V302 706 T7501 01...

Страница 26: ...11 WASHER GB859 87 3 DZn N505 894 40030 11 WASHER GB859 87 3 DZn V306 667 TSX51 01A MAIN PCB ASS Y AUTOMATIC INSERTION 998 JUMPER WIRE J10 998 JUMPER WIRE J101 998 JUMPER WIRE J102 998 JUMPER WIRE J1...

Страница 27: ...J301 998 JUMPER WIRE J302 998 JUMPER WIRE J303 998 JUMPER WIRE J304 998 JUMPER WIRE J305 998 JUMPER WIRE J306 998 JUMPER WIRE J307 998 JUMPER WIRE J308 998 JUMPER WIRE J309 998 JUMPER WIRE J310 998 J...

Страница 28: ...998 JUMPER WIRE R703 998 JUMPER WIRE VD704 340 00001 003 DIODE 1N4148 VD202 340 00001 003 DIODE 1N4148 VD203 340 00001 003 DIODE 1N4148 VD204 340 00001 003 DIODE 1N4148 VD315 340 00001 003 DIODE 1N41...

Страница 29: ...459 2310R 002 CERAMIC CAPACITOR CK45 F1H103ZYR C207 459 2310R 002 CERAMIC CAPACITOR CK45 F1H103ZYR C210 459 2310R 002 CERAMIC CAPACITOR CK45 F1H103ZYR C215 459 2310R 002 CERAMIC CAPACITOR CK45 F1H103Z...

Страница 30: ...18 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M C719 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M C722 464 60510 M02 ELECTROLYTIC CAPACITOR CD110 50V 1uF M C723 464 60522 M02 ELECTROLY...

Страница 31: ...ITOR CD110 35V 100uF M C332 467 1C010 H03 CARBON RESISTOR 1 6W 10 J R309 467 1C010 H03 CARBON RESISTOR 1 6W 10 J R507 467 1C027 H03 CARBON RESISTOR 1 6W 27 J R109 467 1C033 H03 CARBON RESISTOR 1 6W 33...

Страница 32: ...1 6W 1 8K J R704 467 1C220 H03 CARBON RESISTOR 1 6W 2K J R348 467 1C222 H03 CARBON RESISTOR 1 6W 2 2K J R205 467 1C230 H03 CARBON RESISTOR 1 6W 3K J R212 467 1C233 H03 CARBON RESISTOR 1 6W 3 3K J R346...

Страница 33: ...SISTOR 1 6W 20K J R227 467 1C322 H03 CARBON RESISTOR 1 6W 22K J R319 467 1C322 H03 CARBON RESISTOR 1 6W 22K J R517 467 1C324 H03 CARBON RESISTOR 1 6W 24K J R229 467 1C324 H03 CARBON RESISTOR 1 6W 24K...

Страница 34: ...6020025 50 RIVET GB876 86 2X2 5 COPPER M15 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M16 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M17 895 6020025 50 RIVET GB876 86 2X2 5 COPPER M18 895 6020025 50 R...

Страница 35: ...BUTTON PCB 851 23012 31 SCREW SJ2824 ST3X12FT D Zn 877 50409 00 KEY 877 60530 01 BUTTON COVER PLATE 877 60531 00 BUTTON COVER 467 1C110 H0 CARBON RESISTOR 1 6W 100 J R901 464 6D647 M0 ELECTROLYTIC CA...

Страница 36: ...3D226X0016B2T C93 455 10033 H9 SMD RESISTOR NCA4R330JR RES5 455 10033 H9 SMD RESISTOR NCA4R330JR RES7 455 10222 H9 SMD RESISTOR NCA4R222JR RES1 455 12000 H0 SMD RESISTOR FTR0603000XR R11 455 12000 H0...

Страница 37: ...310R C1 SMD CAPACITOR 06032E103Z250BA C13 456 2310R C1 SMD CAPACITOR 06032E103Z250BA C14 456 2310R C1 SMD CAPACITOR 06032E103Z250BA C17 456 2310R C1 SMD CAPACITOR 06032E103Z250BA C19 456 2310R C1 SMD...

Страница 38: ...CAPACITOR 06032E104M250BA C76 456 2410M C1 SMD CAPACITOR 06032E104M250BA C78 456 2410M C1 SMD CAPACITOR 06032E104M250BA C80 456 2410M C1 SMD CAPACITOR 06032E104M250BA C81 456 2410M C1 SMD CAPACITOR 0...

Страница 39: ...0603102JR R46 782 Q2751 290A SIDE AV PCB 364 93202 00 AV JACK AV306 2 655 6E302 58 6 PINS LEAD WITH HOUSING XAA3 998 JUMPER WIRE LAA1 998 JUMPER WIRE LAA2 998 JUMPER WIRE JAA1 870 2D839 042 SIDE AV BR...

Страница 40: ...5 22110 H0 SMD RESISTOR RC11 1 8W 100 J RA101 455 22110 H0 SMD RESISTOR RC11 1 8W 100 J RA16 455 22110 H0 SMD RESISTOR RC11 1 8W 100 J RA17 455 22110 H0 SMD RESISTOR RC11 1 8W 100 J RA01 455 22110 H0...

Страница 41: ...TOR RC11 1 8W 4 7K J RA91 455 22256 H0 SMD RESISTOR RC11 1 8W 5 6K J RA09 455 22256 H0 SMD RESISTOR RC11 1 8W 5 6K J RA10 455 22256 H0 SMD RESISTOR RC11 1 8W 5 6K J RA06 455 22310 H0 SMD RESISTOR RC11...

Страница 42: ...ACITOR C2012Y5V1E104ZT CA61 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT CA59 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT CA57 456 2410R C2 SMD CAPACITOR C2012Y5V1E104ZT CA69 456 2410R C2 SMD CAPACITOR C...

Страница 43: ...MD CAPACITOR C2012CH1H102JT CA39 456 3210H 12 SMD CAPACITOR C2012CH1H102JT CA38 456 3210H 12 SMD CAPACITOR C2012CH1H102JT CA37 456 3210H 12 SMD CAPACITOR C2012CH1H102JT CA36 456 3210H 12 SMD CAPACITOR...

Страница 44: ...8K TP1 TP1 TP2 TP2 V506 C1815 R524 5K6 R523 10K OFF ON C605 16V 10u C60810u 16V R612 100K R614 15K R613 6K8 R525 220 V505 C1815 R526 5K6 R5165K6 R515 5K6 R243 10K R527 100K C527 10n R528 5K6 S DET S D...

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