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1. Safety Precautions

(1) When moving or laying down a LCD Set, please deal with care. Avoid any impact

towards the LCD Set.

(2) Do not leave a broken LCD Set on for a long time. To prevent any further damages,

after check the broken Set’s condition, make sure to turn the power(AC) off.

(3) When opening the BACK COVER, you must turn off power(AC) to prevent any

electric shock.

(4) When loosening screws, check the connecting position and type of the screw. Sort

out the screws and store them separately because screws holding PCBs are
working as electric circuit grounding. Make sure to check if any screw is missing
when assembling.

(5) A LCD Sets contains different kinds of connector cables. When connecting or

disconnecting connector cables, check the direction and position of the cable
beforehand.

(6) When disconnecting connectors unplug the connectors slowly with care.

(7) Connecotrs are designed so that if the number of pins or the direction does not

match, connectors will not fit. When having problem in plugging the connectors,
make sure to check their kind, position and direction.

Содержание BLT-32U10A

Страница 1: ...32U1 DLP 32U1P DLP 32U1R DLP 32U1T DLP 32U1W DLP 32U1LPB DLP 32U2 DLP 32U2P DLP 32U2R DLP 32U2T DLP 32U2W DLP 32U2LPB DLP 32C5 DLP 32C5P DLP 32C5PD DLP 32C7 DLP 32C7P DLP 32C7PB BLT 32U10A TAGAZ OEM...

Страница 2: ...ents 14 4 2 2 Output Voltage and Current 15 4 2 3 Ripple and Noise 16 4 2 4 Connectors 17 5 SERVICE MODE 19 6 Main PCB Trouble Diagnosis 20 6 1 Main PCB Trouble Diagnosis 20 6 1 1 Common checking proc...

Страница 3: ...he screw Sort out the screws and store them separately because screws holding PCBs are working as electric circuit grounding Make sure to check if any screw is missing when assembling 5 A LCD Sets con...

Страница 4: ...emory ANALOG 0 99CH ANALOG 0 99CH ANALOG 0 99CH Input Connector RF 75 Ohm Coaxial 75 Ohm Coaxial 75 Ohm Coaxial S_Video 1 1 1 SCART 2 2 2 Component RCA x 1 RCA x 1 RCA x 1 PC RGB D Sub x 1 D Sub x 1 D...

Страница 5: ...24 x 768 1360 6 x 768 1280 x 768 720 x 480 720 x 480i 720 x 576i 720 x 576 1280 x 720 1920 x 1080i V freg 60Hz HDMI O O X 72Hz 75Hz 60Hz 72Hz 75Hz 60Hz 70Hz 75Hz 60Hz 75Hz 60Hz 50Hz 50Hz 60Hz 50Hz 60H...

Страница 6: ...6 3 Block Diagram Block Diagram...

Страница 7: ..._CVBS AV3_SVIDEO COMPONENT_YPbPr HDMI1 2 RF PC 4 Description of Each Block 4 1 Overview Digital PCB is Multi Media circuit board that can process various input signals such as Video Component PC HDMI...

Страница 8: ...8 Description of Each Block 4 1 1 SCART1_RGB R signal input to IC501 LOC LCA12 G signal input to IC501 LOC LCA11 B signal input to IC501 LOC LCA10...

Страница 9: ...9 Description of Each Block 4 1 2 SCART2_CVBS CVBS signal input to IC501 LOC CA02 4 1 3 AV3_S VIDEO Y signal input to IC501 LOC 14 of IC506 Color signal input to IC501 LOC RC515...

Страница 10: ...10 Description of Each Block 4 1 4 COMPONENT_YPbPr Y signal input to IC501 LOC LCA08 Pb signal input to IC501 LOC LCA06 Pr signal input to IC501 LOC LCA04...

Страница 11: ...11 Description of Each Block 4 1 6 PC R signal input to IC501 LOC LC209 4 1 5 HDMI HDMI signal input to IC 501 LOC RCA31 RCA38 RCA12 RCA19 G signal input to IC501 LOC LC207...

Страница 12: ...12 Description of Each Block B signal input to IC501 LOC LC205 Horizontal sync input to IC501 LOC LC204 Vertical sync9input to IC501 LOC LC203...

Страница 13: ...13 Description of Each Block 4 1 7 Sound I2S I2S data output of IC601 LOC 30 of IC603 I2S L R clock output of IC601 LOC 31 of IC603 I2S B clock output of IC601 LOC 32 of IC603...

Страница 14: ...100V 240V Normal Frequency 50 60Hz Input Current 3 5 Arms at 100 Vac input 1 4 Arms at 240 Vac input Inrush Current 230V 80A peak Earth Leakage Current 0 5mA MAX 250AC Input Voltage Range AC 90V 264V...

Страница 15: ...1A 6 0A 7 0A PWR CTL DEF 12Vdc 11 00Vdc 12 0Vdc 0 1A 1 5A 2 0A ON 5Vdc 4 75Vdc 5 25Vdc 0 1A 1 5A 2 5A ST 5Vdc 4 75Vdc 5 25Vdc 0 1A 0 5A 0 6A PWR CTL OFF Output Munimum Maximum Output Current Board Vo...

Страница 16: ...CTL 24V 22 3Vdc 25 4Vdc ON 12V 11 0Vdc 12 0Vdc 500mVp p 5V 4 75Vdc 5 25Vdc MAX LOAD ST 5V 4 75Vdc 5 25Vdc PWR CTL Other Lines Don t Care OFF AC ripple Output Voltage Switching ripple and noise Output...

Страница 17: ...d LPL PANEL PIN No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Output 24V 24V 24V 24V 24V GND GND GND GND GND DIMIMING INV ON OFF N C GND PIN No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Output 24V 24V 24V 24V 24V GND GN...

Страница 18: ...18 Description of Each Block C CN4 PIN No 1 2 3 4 Output 12V 12V GND GND 5 5V 6 PWR ON OFF 7 GND 8 GND 9 5V...

Страница 19: ...l On Turn on the all LED of INDEX Smart Icon S6 Panel Test To check the defective pixel of LCD panel Using buttons Full Red Green Blue White Black Gray S7 DEMPOL Ch Map Write To set DEMPOL channels di...

Страница 20: ...Check the connection of Jack LCD and AV device Check AV device N Check input mode Check LVDS connection Panel JP502 of Main PCB Replace Main PCB and or Sub PCB Replace Main PCB and or Sub PCB Check ot...

Страница 21: ...osis A When No signal in CVBS RF AV 1 First check if other inputs are working if other inputs are not working replace MAIN PCB 2 Checking waveforms with Color Bar Pattern Using the oscilloscope Main T...

Страница 22: ...n No signal in Y C signal S Video 1 First check if other inputs are working if other inputs are not working replace MAIN PCB 2 Checking waveforms with Color Bar Pattern Using the oscilloscope Main TP...

Страница 23: ...o signal in Y Pb Pr signal Component 1 First check if other inputs are working if other inputs are not working replace MAIN PCB 2 Checking waveforms with Color Bar Pattern Using the oscilloscope Main...

Страница 24: ...is Main TP COMP1 Pr LCA03 D When No signal in PC 1 First check if other inputs are working if other inputs are not working replace MAIN PCB 2 Checking waveforms with Color Bar Pattern Using the oscill...

Страница 25: ...25 Main PCBs Trouble Diagnosis Main TP G signal LC207 Main TP B signal LC205 Main TP H sync RC212...

Страница 26: ...in TP V sync RC213 E When No signal in HDMI 1 First check if other inputs are working if other inputs are not working replace MAIN PCB 2 Checking waveforms with Color Bar Pattern Using the oscilloscop...

Страница 27: ...Y Y Y N 1 Check AC connection 2 Check Power S W ON 3 Check Main PCB N Cancel Sound MUTE Is the Speaker connection connected N Check the connection of speaker Check 58 of IC601 or 30 of IC603 N Perhaps...

Страница 28: ...28 1 First check if images are displaying If images are not displaying replace MAIN PCB 2 Checking waveforms with 1KHz Sound pattern Input to 30 or IC603 Output of L602 Main PCBs Trouble Diagnosis...

Страница 29: ...light Check start Y Y N 1 Check AC connection 2 Check Power S W ON 3 Check other PCBs After ST BY on Does LED thrn on blue light N Check the connection of KEY PCB to MAIN PCB Check the connection betw...

Страница 30: ...Remote Controller working N Chek the Battery of Remote Controller Does set working by pressing a KEY button N Check the connection between LED PCB and MAIN PCB When you press button does waveform form...

Страница 31: ...31 Main PCBs Trouble Diagnosis Remote Controller signal RC529...

Страница 32: ...er output is correct After turn on the power does LED turn on red light Check start Y Y N 1 Check AC connection 2 Check Power S W ON 3 Check F801 F1 4 Check C811 C23 5 Check PA905 5V pin 6 Check the C...

Страница 33: ...ly E Each BLOCK operations explained in this manual include oscilloscope waveforms but these are for reference only and utilizing them to repair PCBs is not necessary F Before replacing PCBs you MUST...

Страница 34: ...hod This is typical symptom when LVDS cable incorrectly connects So if you find this symptom check LVDS connection As this method TV set is not repaired replace Main or Sub PCB B Representative Sympto...

Страница 35: ...8 Exploded View 32G1 35...

Страница 36: ...36 Exploded View 32C5...

Страница 37: ...37 Exploded View 32C7...

Страница 38: ...38 Exploded View 32U1...

Страница 39: ...39 Exploded View 32U2...

Страница 40: ...40 37C7...

Страница 41: ...41 Exploded View 37G1...

Страница 42: ...42 42C5...

Страница 43: ...43 42G1...

Страница 44: ...44 42C1...

Страница 45: ...45 42C7...

Страница 46: ...00 W 7 M231 4852334401 PANEL FRONT ABS PMMA BK M231A 7178301252 SCREW TAPPTITE TT2 WAS 3X12 MFZN BK 3CR LOC PARTCODE PARTNAME DESCRIPTION M561 4855625600 MARK BRAND SILVERDIA CUTTING DOUBLEFACEDTAPE L...

Страница 47: ...27 000MHZ 15PF 20PPM X502 5XJ28R32GE CRYSTAL QUARTZ HC 49 S 28 322MHZ 30PPM 16PF X601 5XJ8R388JE CRYSTAL QUARTZ HC 49 S 8 388608MHZ 30PPM X701 5XJ27R00AC CRYSTAL QUARTZ HC 49 S 27 000MHZ 15PF 20PPM ZZ...

Страница 48: ...MF K 1608 CC523 HCBK473KBA C CHIP CERA 50V X7R 0 047MF K 1608 LOC PARTCODE PARTNAME DESCRIPTION CC524 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC525 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC52...

Страница 49: ...MF K 1608 CC934 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC935 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 LOC PARTCODE PARTNAME DESCRIPTION CC936 HCBF105KBA C CHIP CERA 16V X7R K 1MF 1608 CC937 HC...

Страница 50: ...10 47 OHM J 1608 RC552 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC553 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC554 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC555 HRFT000JBA R CHIP 1 10 0 OHM J 1608 RC556 HRFT3...

Страница 51: ...TACT THVV502GDA ZZ200 PTMPJ1G409 PCB MAIN CHIP A AS DLD 32U1LPB 110 2193220010 SOLDER CREAM PB FREE LST309 M SN 3 0AG 0 5CU A001 4859819392 PCB MAIN 234X288 K4V CC107 HCBK103KBA C CHIP CERA 50V X7R 0...

Страница 52: ...IP COIL 68UH K 1260 LC205 HFF102B00B F CHIP FERRITE BEAD 1000 OHM PBY 1608 LC206 HFF102B00B F CHIP FERRITE BEAD 1000 OHM PBY 1608 LC207 HFF102B00B F CHIP FERRITE BEAD 1000 OHM PBY 1608 LC208 HFF301B00...

Страница 53: ...FT470JBA R CHIP 1 10 47 OHM J 1608 RC454 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC455 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC456 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC457 HRFT470JBA R CHIP 1 10 47 OHM...

Страница 54: ...54 10 Circuit Diagram...

Страница 55: ...55 Circuit Diagram...

Страница 56: ...56 Circuit Diagram...

Страница 57: ...57 Circuit Diagram...

Страница 58: ...58 Circuit Diagram...

Страница 59: ...59 Circuit Diagram...

Страница 60: ...54 DAEWOO ELECTRONICS CORP PRINTED DATE 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA Jan 2008...

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