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467-1C215-H03

CARBON RESISTOR 1/6W-1.5K-J

R508

467-1C236-H03

CARBON RESISTOR 1/6W-3.6K-J

R521

467-1C310-H03

CARBON RESISTOR 1/6W-10K-J

R522

467-1C456-H03

CARBON RESISTOR 1/6W-560K-J

R513

782-L15Y3-2000

POWER PCB

998

JUMPER WIRE

J501

667-L15Y3E-14

INVERTER BOARD ASS'Y

364-361AY-00

6-PINS CONNECTORS TJC10-06A

459-9022H-00

CERAMIC CAPACITOR CC45SC3FD220JYNN

C18

459-9022H-00

CERAMIC CAPACITOR CC45SC3FD220JYNN

C20

464-6F722-M0

ELECTROLYTIC CAPACITOR CD110-35V-220uF-M

340-00289-00

SMD DIODE BAV99LT1

340-00289-00

SMD DIODE BAV99LT1

340-00289-00

SMD DIODE BAV99LT1

340-00289-00

SMD DIODE BAV99LT1

342-08470-40

SMD TRANSISTOR BC847B

342-08470-40

SMD TRANSISTOR BC847B

353-98830-40

SMD IC BD9883FV

353-99360-00

SMD IC SI 9936BDY-T1-E3

353-99360-00

SMD IC SI 9936BDY-T1-E3

364-T0203-00

SMD 2-PINS FF-A4000-WRS-2

364-T0203-00

SMD 2-PINS FF-A4000-WRS-2

455-12000-H0

SMD RESISTOR FTR0603000XR

R21

455-12410-H0

SMD RESISTOR FTR0603104JR

R20

455-22020-H0

SMD RESISTOR RC11-1/8W-20-J

455-22020-H0

SMD RESISTOR RC11-1/8W-20-J

455-22020-H0

SMD RESISTOR RC11-1/8W-20-J

R10

455-22020-H0

SMD RESISTOR RC11-1/8W-20-J

R11

455-22082-F1

*SMD RESISTOR 0805-1/8W-82.5

Ω

-F

R17

455-22120-H0

SMD RESISTOR RC11-1/8W-200-J

455-22120-H0

SMD RESISTOR RC11-1/8W-200-J

455-22130-F1

SMD RESISTOR RC-05K3010FT

R18

455-22130-F1

SMD RESISTOR RC-05K3010FT

R22

455-22233-H0

SMD RESISTOR RC11-1/8W-3.3K-J

R15

455-22310-H0

SMD RESISTOR RC11-1/8W-10K-J

R13

455-22326-F1

SMD RESISTOR RC-05K2672FT

455-22326-F1

SMD RESISTOR RC-05K2672FT

455-22382-F1

*SMD RESISTOR 0805-1/8W-82.5K

Ω

-F

455-22410-H0

SMD RESISTOR RC11-1/8W-100K-J

455-22410-H0

SMD RESISTOR RC11-1/8W-100K-J

455-22433-H0

SMD RESISTOR RC11-1/8W-330K-J

R12

456-1522R-C3

SMD CAPACITOR C3216Y5V1C225ZT

456-1522R-C3

SMD CAPACITOR C3216Y5V1C225ZT

C16

456-1522R-C3

SMD CAPACITOR C3216Y5V1C225ZT

C29

456-1522R-C3

SMD CAPACITOR C3216Y5V1C225ZT

C30

456-1547R-C2

*SMD CAPACITOR 08052E475Z160BA

456-2215K-B1

SMD CAPACITOR 06032R152K250BA

456-2322K-B1

SMD CAPACITOR 0603X7R223K250BA

C27

456-2410M-C1

SMD CAPACITOR 06032E104M250BA

Содержание LC15YS031

Страница 1: ...LCD TELEVISION LC15YS031 LC 15Y3...

Страница 2: ...ading LC Y series working principle analysis Block diagram IC block diagram Main assembly Identification criteria for the bright spot and dark spot of the LCD screen Wiring diagram Troubleshooting cha...

Страница 3: ...will result 2 5 If any foreign substance such as water liquid metal slices or other matters happens to fall into the module be sure to cut the power off immediately and do not move anything on the mod...

Страница 4: ...of picture residue on the screen as commonly called ghost shadow The extent of the residual picture varies with the maker of LCD screen This phenomenon doesn t represent failure This ghost shadow may...

Страница 5: ...rd voltage to be 12v and 5v 3 3 main board adjustment 3 3 1 IF amplifier adjustment a Turn off the J201 J202 J203 J204 J205 and J5 input 38MHz PAL SYSTEM and 45 75MHz N Write memory N300 and N400 To p...

Страница 6: ...e1 Table1 Color temperature 9300K X coordinate 0 285 0 008 Y coordinate 0 293 0 008 g Repeat e step to f step it must be measure a true value h The unit without VGA interface of 20 N system you should...

Страница 7: ...uses of the troubles according to the table below 1 Antenna signal Picture is out of focus or jumping Bad status in signal receiving Poor signal Check if there are failures with the electrical connect...

Страница 8: ...if the contrast setting is too high Possibly the output quality of DVD broadcaster is set too high It maybe also due to improper terminal connection of the video signal in a certain position of the s...

Страница 9: ...software upgrading The Y series models enable you to update software through the VGA interface Hardware requirements 1 One parallel cable with male end and female end 2 One standard VGA cable 3 The up...

Страница 10: ...close 4 Set the LCD to off Connect the Y updating board and PC with parallel cable 5 Connect the VGA MONITOR interface on the Y updating board with the VGA cable connect the other end to the VGA inter...

Страница 11: ...date the software next time you just need to click the pull down menu to select the desired Batch file and execute it in the following screen Note Do not cut off the power or turn off the unit during...

Страница 12: ...is sent to FLI8125 directly For the NTSC system when the RF signal is input to the NTSC tuner the turner generates IF signal Then the IF signals goes through the pre amplifying circuit and 45 75M SAW...

Страница 13: ...11 BLOCK DIAGRAM...

Страница 14: ...e inner IC block diagram and function 1 Inner block diagram of M52760 IF signal processing IC AFT QIF VIDEO OUT Descriptions of the pins Pin Description Pin Description 4 5 VIF input 13 QIF OUT 7 1ST_...

Страница 15: ...5V 31 VCC 9V power 3 R2S15900SP audio processor with surround stereo The audio signal from YPrPb YcrCb or VGA input interface is selective sent to R2S15900SP through the multi channel selector HEF4052...

Страница 16: ...nction Pin Function 2 7 Left right input for Channel 1 17 18 SDA SCL 3 26 Left right input for Channel 2 28 VCC 4 25 Left right input for Channel 3 11 19 LOUT ROUT 4 Inner block diagram of AN5277 audi...

Страница 17: ...15 5 Inner block diagram of TPA1517 6W stereo audio amplifier 6 Inner block diagram of FLI8125 digital video processing IC...

Страница 18: ...SEL_2 15 XTAL Resonator output 63 PBIAS Panel s oblique line control 16 TCLK Basic clock 64 PPWR Backlight adjustment 24 SCL_RS232 SCL_RS232 90 DEN Display data 25 SDA_RS232 SDA_RS232 91 DVS Display V...

Страница 19: ...30 40 One single spot 5 2 5 2 3 2 neighboring spots 2 1 2 1 1 Bright spot Total No 5 2 5 2 3 15mm One single spot 6 7 5 4 10 Two neighboring spots 2 2 2 1 5 Dark spots Total No 6 7 5 4 10 15mm 10mm 5...

Страница 20: ...18 Wiring diagram Button board B Button board A Right speaker Left speaker Back light board Power board Main board indicator light board...

Страница 21: ...ainboard Vcc 18V X702 1 2 12V 3 4 GND 5 6 18V 7 8 GND 9 PBIAS 10 PWM 1 No raster no picture and no sound When the main power is turned on the unit s indicator lights up in red red indicator is control...

Страница 22: ...ent from the actual frequency Connect the signal cable manually adjust the frequency to conform to the actual frequency Enter into service menu check AFT value should be about 1 6V If the difference i...

Страница 23: ...k whether N901 D501 breakdown Replace N501 D501 Check whether C512 has 18V Replace D502 Check whether pin1 of N501 has wave Replace N502 Check whether N502 is damaged Replace N505 Check whether N505 i...

Страница 24: ...22 Exploded views LC 15Y3...

Страница 25: ...e 743 10132 01 6 Button 667 L15Y3 05 7 Screw 852 33005 81 8 Screw 851 33008 51 9 Speaker 384 30308 D0 10 IR receiver board 667 L15Y3 09 11 LED column 700 60188 100 12 LOGO no number silk screen 13 Fro...

Страница 26: ...09 LINE TIE 743 10132 01 DECORATIVE PIECE SILK SCREEN 780 11018 0GA FRONT CABINET SILVERY WHITE 06 SILK SCREEN 780 11019 AF3 BACK CABINET GREY 05 SILK SCREEN 804 2F318 00A INTERFACE SPACE PLATE 808 60...

Страница 27: ...20Y15 28MB RC Q28M 0BREMOTE CONTROL UNIT PRIMA NEW 353 34282 30 SMD ICM34282M1 D48GP M 615 10354 05 HOLDER ASS Y DZ 0715 605 L15Y37 01 HOLDER INSTALLATION GUIDE DIGISTAR 615 20087 00 AXLETREE ASS Y 80...

Страница 28: ...POTENTIOMETER EVND8A 20K RP201 471 1110H 00 PEAKING COIL EL0606SKI 101J L202 471 1110H 00 PEAKING COIL EL0606SKI 101J L208 471 1110H 00 PEAKING COIL EL0606SKI 101J L213 471 1210K 00 PEAKING COIL EL060...

Страница 29: ...100 10 SMD IC MPS1410ES M N701 353 15900 10 SMD ICR2S15900SP N302 353 24210 10 SMD IC 24LCS21A SN N104 353 24320 50 SMD IC24LC32A SN N401 353 29040 10 SMD IC MX29LV040QC 70 N404 353 72700 10 SMD IC LA...

Страница 30: ...03220JR R433 455 12022 H0 SMD RESISTOR FTR0603220JR R434 455 12022 H0 SMD RESISTOR FTR0603220JR R435 455 12027 H0 SMD RESISTOR FTR0603270JR R209 455 12051 H0 SMD RESISTOR FTR0603510JR R203 455 12056 H...

Страница 31: ...3102JR R346 455 12210 H0 SMD RESISTOR FTR0603102JR R48 455 12210 H0 SMD RESISTOR FTR0603102JR R725 455 12210 H0 SMD RESISTOR FTR0603102JR R30 455 12218 H0 SMD RESISTOR FTR0603182JR R420 455 12218 H0 S...

Страница 32: ...03103JR R318 455 12310 H0 SMD RESISTOR FTR0603103JR R321 455 12310 H0 SMD RESISTOR FTR0603103JR R331 455 12310 H0 SMD RESISTOR FTR0603103JR R333 455 12310 H0 SMD RESISTOR FTR0603103JR R335 455 12310 H...

Страница 33: ...03394JR R235 455 22000 H0 SMD RESISTOR RC11 1 8W 0 J R349 455 22000 H0 SMD RESISTOR RC11 1 8W 0 J J703 455 22110 H0 SMD RESISTOR RC11 1 8W 100 J R229 455 22110 H0 SMD RESISTOR RC11 1 8W 100 J R233 455...

Страница 34: ...402 456 2410M C1 SMD CAPACITOR 06032E104M250BA C403 456 2410M C1 SMD CAPACITOR 06032E104M250BA C404 456 2410M C1 SMD CAPACITOR 06032E104M250BA C405 456 2410M C1 SMD CAPACITOR 06032E104M250BA C406 456...

Страница 35: ...C707 456 2410M C1 SMD CAPACITOR 06032E104M250BA C708 456 2410M C1 SMD CAPACITOR 06032E104M250BA C711 456 2410M C1 SMD CAPACITOR 06032E104M250BA C713 456 2410M C1 SMD CAPACITOR 06032E104M250BA C716 456...

Страница 36: ...ELECTROLYTIC CAPACITOR CD110 10V 22uF M C415 464 6C622 M02 ELECTROLYTIC CAPACITOR CD110 10V 22uF M C417 464 6C622 M02 ELECTROLYTIC CAPACITOR CD110 10V 22uF M C722 464 6C647 M02 ELECTROLYTIC CAPACITOR...

Страница 37: ...TROLYTIC CAPACITOR CD110 50V 47uF M C205 464 60647 M02 ELECTROLYTIC CAPACITOR CD110 50V 47uF M C232 477 40212 00 SMD FIXED INDUCTANCE SLF12575T 470M2R7 L702 477 40212 00 SMD FIXED INDUCTANCE SLF12575T...

Страница 38: ...NSERTION 340 10113 20 LED HFT503MPBR 1 LED911 352 51170 20 IC HRM138BB5117 N911 364 341BQ 00 4 PINS CONNECTORS 1 25T 1 4AW X911 464 6C722 M0 ELECTROLYTIC CAPACITOR CD110 10V 220uF M C912 667 L15Y3 09...

Страница 39: ...T SINK D504 706 T2101 01 HEAT SINK N501 775 10054 00 SOLDERING BLADE X501 775 10054 00 SOLDERING BLADE X502 851 13006 31 SCREW P T3 6BT D Zn 851 13008 51 SCREW P T3 8 G DZn 667 L15Y3 20 POWER PCB ASS...

Страница 40: ...FTR0603104JR R20 455 22020 H0 SMD RESISTOR RC11 1 8W 20 J R8 455 22020 H0 SMD RESISTOR RC11 1 8W 20 J R9 455 22020 H0 SMD RESISTOR RC11 1 8W 20 J R10 455 22020 H0 SMD RESISTOR RC11 1 8W 20 J R11 455 2...

Страница 41: ...C13 456 3222H 11 SMD CAPACITOR 0603CG222J500BA C12 456 3222H 11 SMD CAPACITOR 0603CG222J500BA C14 456 3247H 11 SMD CAPACITOR 0603CG472J500BA C2 456 3347H 11 SMD CAPACITOR 0603CG473J500BA C19 456 3347...

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