XOCECO LC-32K16, Service Manual

Page 1: ...LCD TELEVISION LC 32K16...

Page 2: ...K16 working principle analysis LC 32K16 block diagram IC block diagram Main assembly Identification criteria for the bright spot and dark spot of the LCD screen Wiring diagram Troubleshooting charts E...

Page 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...

Page 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...

Page 5: ...hen 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 und...

Page 6: ...let the color coordinate of the third level be 285 and 290 and its brightness be 16nit more or less Adjust gain_R gain_G and gain_B let the color coordinate of seventh level be 285 and 290 Select 1200...

Page 7: ...re 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 check if the display is norma...

Page 8: ...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...

Page 9: ...d the right video signal No sound Check if the mute audio frequency setting is selected Check if the sound volume is set to minimum Make sure the earphone is not connected Check if the cable connectio...

Page 10: ...Send it to LVDS convertor U31 DS90C383A then it will be converted into signal format which can be accepted by LCD screen namely 3 low voltage differential signal and 1 clock signal finally send it to...

Page 11: ...VI R L AV R L OUT U15 DVI DRIVER TFP403 U12 SCALER JAG ASM U29 VIDEO DECODER VPC3230 U30 ADC MST9883 U13 DEINTER LACER FLI2310 U14 SDRAM U19 SDRAM U20 SDRAM U31 LVDS DRIVER DS90C385 U3 EEPROM N01 AUDI...

Page 12: ...C block diagram 1 MSP3420 Pins description 47 DVI YPRPB1 YPRPB2 L input 48 DVI YPRPB1 YPRPB2 R input 50 VGA L input 51 VGA R input 53 AV2 L input 54 AV2 R input 56 AV1 L input 57 AV1 R input 67 SIF in...

Page 13: ...11 25 earphone L input 24 earphone R input 27 R output 28 L output 36 AV R output 37 AV L 2 SCL 3 SDA 11 12 13 39 65 66 5V MSP 2 VPC3230 Pins description 70 AV V output...

Page 14: ...output 72 Y AV1 V output 74 AV2 V output 75 TV V output 31 34 37 40 ITU R656 format signal output 27 CLK output 13 SCL 14 SDA 10 29 45 52 3 3V_VPC 59 69 76 5V 3 AD9883 Pins description 54 48 43 YPRPB...

Page 15: ...13 9 2 Y output 19 12 U output 77 70 V output 56 SCL 57 SDA 66 H SYNC output 64 V SYNC output 65 DE output 67 CLK output 11 26 34 3 3V 4 FLI2310 Simplified Internal Block Diagram...

Page 16: ...SYNC input 2 YPRPB V SYNC input 4 YPRPB CLK input 5 YPRPB DE input 195 AV TV CLK input 114 SDRAM CLK input 136 137 140 145 R output 148 155 G output 126 127 130 135 B output 125 CLK output 111 SDRAM...

Page 17: ...15 5 JAG ASM Pins description A12 A13 VGA R input A16 A17 VGA G input...

Page 18: ...YNC input P3 VGA V SYNC input F2 AV TV YPRPB H SYNC input G3 AV TV YPRPB V SYNC input P4 AA4 AF12 AV TV YPRPB CLK input G6 AV TV YPRPB DE input AD13 15 AE13 15 AF14 and AC15 R output AF15 AC16 AD16 AE...

Page 19: ...DDC SCL 93 DDC SDA 95 PROM SCL 96 PROM SDA 2 POWER DOWN input 9 OUTPUT DRIVE POWER DOWN input 8 sync detection output 10 17 B output 20 27 G output 30 37 R output 44 CLK output 46 data enable output...

Page 20: ...12 14 8 10 G input 15 19 20 22 24 16 18 B input 27 H SYNC input 28 V SYNC input 30 data enable input 31 CLK input 32 power supply enable input 37 38 41 42 45 46 47 48 4 pair differential signal output...

Page 21: ...19 8 Z86229 Pins description 7 PIN VDIEO INPUT 2 PIN G OUTPUT 3 PIN B OUTPUT 18 PIN R OUTPUT 17 PIN FB OUTPUT...

Page 22: ...L32K5N 56 U12 U13 U15 U29 U30 U31 U2 U4 JAG ASM 353 0JAG0 00 FLI2310 353 23100 00 TFP501 353 05010 00 VPC3230D 353 32300 80 MST9883B 353 98830 10 DS90C385 353 03850 20 TSC80251G2D 353 80251 10 AT49F0...

Page 23: ...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...

Page 24: ...22 Wiring diagram Power supply board To speaker T o earphone 667 L32K5N 40 A V processing board 667 L32K16N 56 CPU board T o IR board T o key board...

Page 25: ...supply board Check the indicator in turn on condition Check if the indicator is flicker in the sensor control normal condition Check if the CN905 output 24V Check if the PIN26 30 of P4 is high level...

Page 26: ...ower supply 5V V of video processing board Check input 22V of sound conversion board Check input 12V A of CPU board Check output 24V A of power supply board Check if PIN2 1VPP signal and noise wave of...

Page 27: ...2V of N04 and N05 Check power supply Check PIN5 and PIN8 output of N02 Check PIN27 and PIN28 output wave of N01 Check PIN67 wave of N01 Replacing TUNER01 Replacing N04 and N05 Replacing N02 Replacing...

Page 28: ...26 Exploded views LC 32K16 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27...

Page 29: ...2B Back cabinet assy 19 855 A0029 00 Screw 6 851 23010 14 Screw 20 335 32002 00 LCD 7 870 10133 00A Handing support middle 21 667 L32K5N 40 AV processor 8 870 10218 00 Handing support horizontal 22 80...

Page 30: ...M3X8 D Zn 894 30080 11 WASHER GB97 1 85 8 DZN 894 30080 11 WASHER GB97 1 85 8 DZN 894 70040 11 WASHER GB862 1 87 4 D Zn 808 6A893 00 AV BOARD BAFFLE 808 60892 00A DIGITAL BOARD BAFFLE 808 70322 00 INS...

Page 31: ...852 43010 84 SCREW F M3X10 Y 852 43010 84 SCREW F M3X10 Y 870 30143 00 COVER BOARD BUTTON BRACKET 2 870 30144 00 LEADING TRACK LEFT 870 30145 00 LEADING TRACK RIGHT 870 30146 00 LEADING TRACK TOP 870...

Page 32: ...881 63895 00 BAR CODE LABEL 69020732160 881 61884 00 CSA WARNING LABEL 880 10661 B1 FRONT LOGO PRIMA SILVERY BLACK 27 886 31878 15 CARTON BOX LC 32K16 PRIMA 604 L32K167 00 OWNER S MANUAL PRIMA 881 630...

Page 33: ...CONNECTORS TJC3 07AWT P3 364 37104 00 7 PINS CONNECTORS TJC3 07AWT P11 364 34186 00 4 PINS CONNECTORS TJC10 4AWT P29 364 36104 00 6 PINS CONNECTORS TJC3 06AWT P10 364 3D104 00 10 PINS CONNECTORS TJC3...

Page 34: ...603750JR R305 455 12075 H0 SMD RESISTOR FTR0603750JR R306 455 12110 H0 SMD RESISTOR FTR0603101JR R231 455 12110 H0 SMD RESISTOR FTR0603101JR R235 455 12110 H0 SMD RESISTOR FTR0603101JR R236 455 12110...

Page 35: ...SMD TRANSISTOR BSS138LT1 Q11 342 01440 10 SMD TRANSISTOR DTC144EKA Q1 342 01440 10 SMD TRANSISTOR DTC144EKA Q7 342 01440 10 SMD TRANSISTOR DTC144EKA Q8 342 08570 90 SMD TRANSISTOR BC857 AW Q13 342 39...

Page 36: ...492 454 03647 MB SMD ELECTROLYTIC CAPACITOR CDPS 10V 47uF M C493 454 03647 MB SMD ELECTROLYTIC CAPACITOR CDPS 10V 47uF M C494 454 03710 MB SMD ELECTROLYTIC CAPACITOR CDPS 10V 100uF M C105 454 03710 MB...

Page 37: ...455 10022 H9 SMD RESISTOR NCA4R220JR RP36 455 10022 H9 SMD RESISTOR NCA4R220JR RP37 455 10022 H9 SMD RESISTOR NCA4R220JR RP38 455 10022 H9 SMD RESISTOR NCA4R220JR RP39 455 10022 H9 SMD RESISTOR NCA4R2...

Page 38: ...TOR FTR0603220JR R118 455 12022 H0 SMD RESISTOR FTR0603220JR R125 455 12022 H0 SMD RESISTOR FTR0603220JR R165 455 12022 H0 SMD RESISTOR FTR0603220JR R169 455 12022 H0 SMD RESISTOR FTR0603220JR R361 45...

Page 39: ...TOR FTR0603561JR R24 455 12210 H0 SMD RESISTOR FTR0603102JR R11 455 12210 H0 SMD RESISTOR FTR0603102JR R41 455 12210 H0 SMD RESISTOR FTR0603102JR R74 455 12210 H0 SMD RESISTOR FTR0603102JR R75 455 122...

Page 40: ...TR0603184JR R26 455 12447 H0 SMD RESISTOR FTR0603474JR R50 456 2368K B1 SMD CAPACITOR 06032R683K250BA C247 456 2368K B1 SMD CAPACITOR 06032R683K250BA C251 456 2368K B1 SMD CAPACITOR 06032R683K250BA C2...

Page 41: ...456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C80 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C81 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C82 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C83 456 2410R C...

Page 42: ...146 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C147 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C148 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C149 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C150 456...

Page 43: ...280 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C281 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C282 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C283 456 2410R C1 SMD CAPACITOR C1608Y5V1E104ZT C284 456...

Page 44: ...070DT C398 456 3010H 11 SMD CAPACITOR C1608CH1H100JT C219 456 3033H 11 SMD CAPACITOR C1608CH1H330JT C5 456 3033H 11 SMD CAPACITOR C1608CH1H330JT C6 456 3033H 11 SMD CAPACITOR C1608CH1H330JT C68 456 30...

Page 45: ...666 12012 00 SMD FERRITE BEAD BG2012B300T FB62 666 12012 00 SMD FERRITE BEAD BG2012B300T FB63 666 12012 00 SMD FERRITE BEAD BG2012B300T FB64 666 12012 00 SMD FERRITE BEAD BG2012B300T FB65 666 12012 00...

Page 46: ...FB60 666 13207 00 SMD FERRITE BEAD STPB3216 380PT FB74 666 13207 00 SMD FERRITE BEAD STPB3216 380PT FB75 666 13207 00 SMD FERRITE BEAD STPB3216 380PT FB76 455 12310 H0 SMD RESISTOR FTR0603103JR R140...

Page 47: ...0 H0 SMD RESISTOR FTR0603101JR R3 667 L32K5 16 USB BOARD ASS Y 364 11212 00 EARPHONE JACK ST 112 X2 782 L32K5 1600 USB PCB 364 33104 00 3 PINS CONNECTORS TJC3 03AWT X3 667 L32K5N 40 AUDIO VIDEO PROCES...

Page 48: ...00uF M C82 464 6F810 M0 ELECTROLYTIC CAPACITOR CD110 35V 1000uF M C97 464 6F810 M0 ELECTROLYTIC CAPACITOR CD110 35V 1000uF M C98 464 60510 M0 ELECTROLYTIC CAPACITOR CD110 50V 1uF M C64 464 60510 M0 EL...

Page 49: ...0DS N05 455 12000 H0 SMD RESISTOR FTR0603000XR R50 455 12000 H0 SMD RESISTOR FTR0603000XR R51 455 12075 H0 SMD RESISTOR FTR0603750JR R08 455 12075 H0 SMD RESISTOR FTR0603750JR R19 455 12075 H0 SMD RES...

Page 50: ...MD RESISTOR FTR0603103JR R85 455 12310 H0 SMD RESISTOR FTR0603103JR R86 455 12410 H0 SMD RESISTOR FTR0603104JR R23 455 12410 H0 SMD RESISTOR FTR0603104JR R24 455 12410 H0 SMD RESISTOR FTR0603104JR R28...

Page 51: ...BA C110 456 2447R C1 SMD CAPACITOR 06032E474Z250BA C111 456 2482R C1 SMD CAPACITOR 06032E824Z250BA C56 456 3010H 11 SMD CAPACITOR C1608CH1H100JT C89 456 3010H 11 SMD CAPACITOR C1608CH1H100JT C94 456 3...

Page 52: ...RITE BEAD STPB3216 380PT L15 666 13207 00 SMD FERRITE BEAD STPB3216 380PT L22 666 13207 00 SMD FERRITE BEAD STPB3216 380PT L24 666 13207 00 SMD FERRITE BEAD STPB3216 380PT L25 666 13207 00 SMD FERRITE...

Page 53: ...22222 H0 SMD RESISTOR RC11 1 8W 2 2K J R545 455 22222 H0 SMD RESISTOR RC11 1 8W 2 2K J R548 455 22327 H0 SMD RESISTOR RC11 1 8W 27K J R553 455 22247 H0 SMD RESISTOR RC11 1 8W 4 7K J R533 455 22291 H0...

Page 54: ...56 3315H 12 SMD CAPACITOR C2012CH1H153JT C522 456 3347K B2 SMD CAPACITOR C2012X7R1H473KT C508 456 3410K B2 SMD CAPACITOR C2012X7R1H104KT C515 456 3410K B2 SMD CAPACITOR C2012X7R1H104KT C537 456 3410K...

Page 55: ...00345 00 DIODE P6KE200A D504 352 08170 50 IC H11A817C D N504 352 08170 50 IC H11A817C D N505 352 10020 10 IC CP1002P N502 364 331CK 00 3 PINS CONNECTORS FF A3963 WV 2 X501 364 34101 00 4 PINS CONNECTO...

Page 56: ...9 00 FIXED COIL LI050 L508 477 40252 00 FIXED COIL SF T8 45I X01 L503 477 40277 00 FIXED COIL BCK 100 02L4 L504 569 14141 80 FUSE 50T 4AL 250V FU501 569 22155 00 FUSE 250V 5A FU502 470 00408 00 SWITCH...

Page 57: ......

Page 58: ......

Page 59: ......

Page 60: ......

Page 61: ......

Page 62: ......

Page 63: ......

Page 64: ......

Page 65: ......

Page 66: ......

Page 67: ......

Page 68: ......

Page 69: ......

Page 70: ......

Page 71: ......

Page 72: ......