XOCECO LC23K6 Скачать руководство пользователя страница 12 | Manualshive

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1

IC block diagram

1.MSP3420

Pins description:

2,3 PIN: SCL,SDA applied for control the operation of IC .

27,28 PIN: output left and right sound channel R/L to speaker processor.

36,37 PIN:AV OUT of sound R/L.

47,48 PIN:D4-1/D4-2/PCMCIA selected input R/L.

50,51 PIN:Input of VGA. R/L

53,54 PIN:Input of AV1/SVHS and AV2 R/L.

56,57 PIN:Input R/L of BS

67 PIN: Input TV SIF.

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Содержание LC23K6

Страница 1: ...COLOR TELEVISION LC23K6 7...

Страница 2: ...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 3: ...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 4: ...al then select the mode item after that you can press enter to select three kinds of color temperature namely 6500K 9300K and 12000K press MENU to exit Note the white balance adjustment should be done...

Страница 5: ...two levels gray scale be 308 and 316 Select 9300k of mode adjustment offset_R offset_G and offset_B let the color coordinate of the third level be 285 and 290 and its brightness be 12 5nit more or les...

Страница 6: ...l source and check if there are channels be skipped 4 2 AV S YpbPr terminals Input AV S HD signal check if it is normal 4 3 VGA terminal Insert VGA terminal input VGA format signal of 640 X 480 60 Hz...

Страница 7: ...by the red LED at the front of the TV set See if it s receiving the signal that is transmitted from other source than the station Check if it s connected to the wrong terminal or if the input mode is...

Страница 8: ...y connected or if it has received the video signal correctly Blur picture Check if the antenna cable is correctly connected Of if it has received the right video signal No sound Check if the mute audi...

Страница 9: ...be 115200 Then select Reset Target After Download Click FLASH pushbutton it s ready to run For other settings please refer to the Fig Above already defaulted by the system normally no need to change S...

Страница 10: ...ould be sent to U12 together with he above two kinds of signal that is RGB signal of 24BIT produced by DV1 through U15 TFP403 501 do the picture format processing for the three kinds of signal in U12...

Страница 11: ...AV R L OUT U15 DVI DRIVER TFP501 U12 SCALER JAG ASM U29 VIDEO DECODER VPC3230 U30 ADC MST9883 U13 DEINTER LACER FLI2310 U14 SDRAM U19 SDRAM U20 SDRAM U31 LVDS DRIVER DS90C385A U3 EEPROM N201 AUDIO PRO...

Страница 12: ...the operation of IC 27 28 PIN output left and right sound channel R L to speaker processor 36 37 PIN AV OUT of sound R L 47 48 PIN D4 1 D4 2 PCMCIA selected input R L 50 51 PIN Input of VGA R L 53 54...

Страница 13: ...73 PIN Input Y of PCMCIA 6 PIN Input V of PCMCIA 31 34 37 40 PIN output format signal of ITU R656 70 PIN Video of AV OUT 71 PIN Input C of SVHS 72 PIN input Video SVHS in priority of Y or AV1 of SVHS...

Страница 14: ...3 3 AD9883...

Страница 15: ...4 4 FLI2310 Simplified Internal Block Diagram...

Страница 16: ...5 5 JAG ASM...

Страница 17: ...6 6 Z86229 Pins description 7 PIN VDIEO INPUT 2 PIN G OUTPUT 3 PIN B OUTPUT 18 PIN R OUTPUT 17 PIN FB OUTPUT...

Страница 18: ...ASM 353 0JAG0 00 FLI2310 353 23100 00 TFP501 353 05010 00 VPC3230D 353 32300 80 MST9883B 353 98830 10 DS90C385 353 03850 20 Z8622912SS 353 86229 10 TSC80251G2D 353 80251 10 AT49F002NT 352 49002 70 IR...

Страница 19: ...mm 5mm Total defected point 8 7 5 4 Notes 1 Definition of defected point bright spot dark spot It is identified as a defected point if its area exceeds 1 2 of a single picture element R G B 2 Definiti...

Страница 20: ...16 Wiring diagram 667 L23K7 20 667 L23K6 56R...

Страница 21: ...it s melted of FUSE in the power supply board Replacing power supply board Check the indicator in turn on condition Check if the indicator is flicker in the sensor control normal condition Check if th...

Страница 22: ...wer supply 5V V of video processing board Check input 24V of sound conversion board Check input 24V A of CPU board Check output 24V A of power supply board Check if PIN2 1VPP signal and noise wave of...

Страница 23: ...12V of N213 and N214 Check power supply Check PIN5 and PIN8 output of N203 Check PIN27 and PIN28 output wave of N201 Check PIN67 wave of N201 Replacing TUNER202 Replacing N213 and N214 Replacing N203...

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Страница 28: ...L23K7 20 OLD...

Страница 29: ...L23K7 20 NEW...

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