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Service Manual

LCD TV

CHASSIS : SL-602M/P

Model :

LM/LP(32/37/42)L1 
LM/LP(32/37/42)L1B1M
LM/LP(32/37/42)L2
LM/LP(32/37/42)L2BSM
LM/LP(32/37/42)L2Z
LM/LP(32/37/42)L2BZM
LM/LP(32/37/42)L2K
LM/LP(32/37/42)L2BKM
LM/LP(32/37/42)L2R
LM/LP(32/37/42)L2BRM

S/M NO. : TSL602MEF0 

Jan. 2008

Содержание LM32L1 Series

Страница 1: ...2M P Model LM LP 32 37 42 L1 LM LP 32 37 42 L1B1M LM LP 32 37 42 L2 LM LP 32 37 42 L2BSM LM LP 32 37 42 L2Z LM LP 32 37 42 L2BZM LM LP 32 37 42 L2K LM LP 32 37 42 L2BKM LM LP 32 37 42 L2R LM LP 32 37...

Страница 2: ...Output Voltage and Current 13 4 2 3 Connectors 14 5 SERVICE MODE 15 6 Main PCB Trouble Diagnosis 16 6 1 Main PCB Trouble Diagnosis 16 6 1 1 Common checking process when No signal of Noraster 16 6 1 2...

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: ...nd kg 12 5 17 20 5 P 220 240VAC 50 60Hz P 220 240VAC 50 60Hz P 220 240VAC 50 60Hz M 110 240VAC 50 60Hz M 110 240VAC 50 60Hz M 110 240VAC 50 60Hz 115W 150W 200W Max Power Source 9W 9W 9W 3 5mm Mini Jac...

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: ...C02 SPK_L R 10W 8 3 Audio AMP TDA7491 ST232ECD IIC_Tuner R G B CVBS L R Y Pb Pr CVBS Y C 3 3 2 RF Out FB SC1 S SW L R 2 CVBS 2 L R Out 2 L R 2 L R 2 SC2 S SW IIS Reset IIC_0 CLK Data HDMI_SEL SIF 3 R...

Страница 7: ...7 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 and analog TV signal...

Страница 8: ...8 Description of Each Block 4 1 1 AV1 _CVBS CVBS signal input to IC501 LOC RC508 4 1 2 AV2_S VIDEO Y signal input to IC501 LOC RCA31 Color signal input to IC501 LOC RCA30...

Страница 9: ...9 Description of Each Block 4 1 3 COMPONENT_YPbPr Y signal input to IC501 LOC LCA08 Pb signal input to IC501 LOC LCA06 Pr signal input to IC501 LOC LCA04...

Страница 10: ...10 Description of Each Block 4 1 4 HDMI HDMI signal input to IC 501 LOC LC301 LC312 4 1 5 PC R signal input to IC501 LOC LC210 G signal input to IC501 LOC LC208...

Страница 11: ...11 Description of Each Block Horizontal sync input to IC501 LOC LC204 B signal input to IC501 LOC LC206 Vertical sync9input to IC501 LOC LC203...

Страница 12: ...20V 240V M AC 110V 240V Normal Frequency 50 60Hz Input Current 1 0 Arms at 220 Vac input Inrush Current 220V 80A peak Earth Leakage Current 0 5mA MAX 250AC Normal Voltage P AC 220V 240V M AC 110V 240V...

Страница 13: ...c 11 40Vdc 12 60Vdc 0 2A 1 2A 1 5A ST 5Vdc 4 75Vdc 5 25Vdc 0A 0 7A 0 9A ST 5Vdc 4 75Vdc 5 25Vdc 0A 0 7A 0 9A PWR CTL OFF PWR CTL ON DEP MAX NOR MIN PWR CTL OFF 0 9A 0 7A 0A 5 25Vdc 4 75Vdc ST 5Vdc 0 9...

Страница 14: ...ain CN2 pin spec CN8 32 37 CN3 42 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 P DIMMING N C CN2 PIN No Output 1 12V 2 12V 3 GND 4 GND 5 S...

Страница 15: ...d S4 HDMI EDID WRITE EDID Write Wait display like this FINISH HDMI1 EDID Success HDMI2 EDID Success S5 Index All On Turn on the all LED of INDEX Smart Icon S6 Panel Test To check the defective pixel o...

Страница 16: ...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 17: ...en No signal in CVBS RF Monitor Out 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 18: ...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 19: ...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 20: ...is Main TP COMP1 Pr LCA04 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 21: ...21 Main PCBs Trouble Diagnosis Main TP G signal LC208 Main TP B signal LC206 Main TP H sync LC204...

Страница 22: ...osis Main TP V sync LC203 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 osci...

Страница 23: ...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 34 36of IC601 or 22 32 of IC603 N Perhaps I...

Страница 24: ...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 turn on blue light N Check the connection of KEY PCB to MAIN PCB Check the connection between K...

Страница 25: ...te 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 fir...

Страница 26: ...26 Main PCBs Trouble Diagnosis Remote Controller signal LCQ09...

Страница 27: ...er output is correct After turn on the power does LED turn off Check start Y Y N 1 Check AC connection 2 Check Power S W ON 3 Check F1 4 Check C9 5 Check CN9 or P8015V pin 6 Check the Connector After...

Страница 28: ...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 29: ...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 30: ...8 Exploded View 32L1 30...

Страница 31: ...31 Exploded View 32L2...

Страница 32: ...32 Exploded View 37L1...

Страница 33: ...33 Exploded View 37L2...

Страница 34: ...34 Exploded View 42L1...

Страница 35: ...35 Exploded View 42L2...

Страница 36: ...3P SCART TYPE JPA05 4859106840 JACK S VHS SHAMD 1402 040B4 JPA07 4859201170 CONN OPTICAL SENSOR OJ107A T050 SHS CC512 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC513 HCBK104KBA C CHIP CERA 50V X7R...

Страница 37: ...IP 1 10 22 OHM J 1608 RC620 HRFT220JBA R CHIP 1 10 22 OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTION RC623 HRFT332JBA R CHIP 1 10 3 3K OHM J 1608 RC624 HRFT182JBA R CHIP 1 10 1 8K OHM J 1608 RC625 HRFT8...

Страница 38: ...83DN IC910 11L111733C IC CHIP REGULATOR IL1117 3 3 3 3V IC917 11L111718C IC CHIP REGULATOR IL1117 1 8 1 8V JK301 4859201360 CONN HDMI 51V019S 36WT A1R JK302 4859201360 CONN HDMI 51V019S 36WT A1R LOC P...

Страница 39: ...B MAIN CHIP B AS LM32L1B1SM CC202 HCQK120JBA C CHIP CERA 50V CH 12PF J 1608 CC203 HCQK120JBA C CHIP CERA 50V CH 12PF J 1608 CC204 HCQK120JBA C CHIP CERA 50V CH 12PF J 1608 CC210 HCQK102JBA C CHIP CERA...

Страница 40: ...Q12 HRFT471JBA R CHIP 1 10 470 OHM J 1608 VA301 D10S031R1 VARISTOR CHIP ADUC10S031R1 VA302 D10S031R1 VARISTOR CHIP ADUC10S031R1 VA303 D10S031R1 VARISTOR CHIP ADUC10S031R1 VA304 D10S031R1 VARISTOR CHIP...

Страница 41: ...FFMMZ400A F CHIP FERRITE BEAD 40 OHM MMZ 2012S LC907 HFFMMZ400A F CHIP FERRITE BEAD 40 OHM MMZ 2012S LC908 HFFMMZ400A F CHIP FERRITE BEAD 40 OHM MMZ 2012S LC910 HFFMMZ400A F CHIP FERRITE BEAD 40 OHM M...

Страница 42: ...J 1608 RC801 HRFT104JBA R CHIP 1 10 100K OHM J 1608 RC803 HRFT222JBA R CHIP 1 10 2 2K OHM J 1608 RC805 HRFT100JBA R CHIP 1 10 10 OHM J 1608 RC806 HRFT222JBA R CHIP 1 10 2 2K OHM J 1608 RC807 HRFT243JB...

Страница 43: ...er LGD SEC V901 LCD PANEL LC320WXN SAC1 LC370WXN SAB1 LC420WXN SAB1 LTA320AB02 P502B LVDS CABLE 4859008160 4859008560 RC560 R CHIP 1 10 10K OHM J 1608 NC RC566 R CHIP NC 1 10 10K OHM J 1608 RC707 R CH...

Страница 44: ...44 10 Circuit Diagram...

Страница 45: ...45 Circuit Diagram...

Страница 46: ...46 Circuit Diagram...

Страница 47: ...47 Circuit Diagram...

Страница 48: ...ELECTRO NC 16V 10MF MV 4052 3 CC514 C CHIP CERA NC 50V X7R 0 1MF K 1608 4 CC516 C CHIP CERA NC 25V X7R 0 22MF K 1608 5 CC580 C CHIP CERA NC 50V X7R 0 1MF K 1608 6 CC581 C CHIP CERA NC 50V X7R 0 1MF K...

Страница 49: ...300 LPL SMH200 30C 10030HS 30L2B SLS00 300 38 P801C CONNECTOR NC NC NC 20022HS 14 20022HS 14 ULW 300 NC 39 P601A CONNECTOR SMH250 03 YRT205 YRT110 USW 400 NC 40 P602A CONNECTOR SMH250 02 YRT205 YRT110...

Страница 50: ...HIP NC 1 10 0 OHM J 1608 68 RCA25 R CHIP NC 1 10 10K OHM J 1608 69 RCA26 R CHIP NC 1 10 0 OHM J 1608 70 RCA27 R CHIP NC 1 10 330 OHM J 1608 71 RCA28 R CHIP NC 1 10 10K OHM J 1608 72 RCA36 R CHIP 1 10...

Страница 51: ...DAEWOO ELECTRONICS CORP PRINTED DATE 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA Sep 2008...

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