LG 42LG6000 Page 27 Service Manual Download | Manualshive

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Jan., 2008

Printed in Korea

P/NO : MFL41557601

Downloaded From TV-Manual.com Manuals

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Summary of Contents for 42LG6000

Page 1: ...UTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD89F MODEL 42LG6000 42LG6000 ZA 42LG6100 42LG6100 ZB website http biz LGservice com Internal Use Only Downloaded From TV Manual com Manuals ...

Page 2: ...served Only for training and service purposes LGE Internal Use Only 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 13 TROUBLE SHOOTING 15 BLOCK DIAGRAM 22 EXPLODED VIEW 23 SVC SHEET Downloaded From TV Manual com Manuals ...

Page 3: ...out damage of electrical shock Leakage Current Cold Check Antenna Cold Check With the instrument AC plug removed from AC source connect an electrical jumper across the two AC plug prongs Place the AC switch in the on position connect one lead of ohm meter to the AC plug prongs tied together and touch other ohm meter lead in turn to each exposed metallic parts such as antenna terminals phone jacks ...

Page 4: ...touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or expos...

Page 5: ...of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the replaced component and a...

Page 6: ...Receivable Broadcasting System 1 PAL SECAM B G EU PAL Market 2 PAL SECAM D K 3 PAL I II 4 SECAM L L 5 DVB T 3 RF Input Channel VHF E2 E12 PAL UHF E21 E69 CATV S1 S20 HYPER S21 S47 4 Input Voltage AC 100 240 V 50Hz 60Hz 5 Picture Size 37 inch 37LG6000 42LG6000 47LG6000 42 inch 47 inch 6 Tuning System FVS 100 program PAL 200 PR Option 7 Operating Environment 1 Temp 0 40 deg LGE SPEC 2 Humidity 10 90...

Page 7: ... 136 4Khz V 108 2 121 2Hz 47 inch 3 Power consumption 37 inch 10 76 132 W LCD Backlight 42 inch 9 4 Max 160 8 Typ W 47 inch TBD 240 Max W 4 LCD Module LPL Type Size 37 877 x 516 8 x 55 5 mm H x V x D 42 983 0 x 576 0 x 47 3 47 1096 0 x 640 0 x 50 Pixel Pitch 37 0 42675 x 0 42675 mm 42 0 4845 x 0 4845 47 0 5415 x 0 5415 Pixel Format 1920 horiz By 1080 vert 37 42 47 inch Pixels RGB stripe arrangemen...

Page 8: ... Color Coordinates White WX Typ 0 279 Typ 37 inch WY 0 03 0 292 0 03 RED Xr 0 641 Yr 0 334 Green Xg 0 291 Yg 0 614 Blue Xb 0 145 Yb 0 062 White WX Typ 0 279 Typ 42 inch WY 0 03 0 292 0 03 RED Xr 0 640 Yr 0 335 Green Xg 0 289 Yg 0 610 Blue Xb 0 144 Yb 0 066 White WX Typ 0 279 Typ 47 inch WY 0 03 0 292 0 03 RED Xr 0 636 Yr 0 334 Green Xg 0 291 Yg 0 613 Blue Xb 0 146 Yb 0 061 1 Standard Test Conditio...

Page 9: ...V DVD 625 Line 6 720x576 31 25 50 00 HDTV 576p 7 1280x720 45 00 60 00 HDTV 720p 8 1280x720 44 96 59 94 HDTV 720p 9 1280x720 37 50 50 HDTV 720p 50Hz 10 1920x1080 31 25 50 00 HDTV 1080i 11 1920x1080 33 75 60 00 HDTV 1080i 12 1920x1080 33 72 59 94 HDTV 1080i 13 1920x1080 56 25 50 00 HDTV 1080P 14 1920x1080 67 433 59 94 HDTV 1080P 15 1920x1080 67 50 60 HDTV 1080P 6 RGB Input PC No Resolution H freq kH...

Page 10: ...80 33 72 59 94 74 176 HDTV 1080i 60Hz HDCP 11 1920x1080 33 75 60 74 250 HDTV 1080i 60Hz HDCP 12 1920x1080 27 000 24 00 74 250 HDTV 1080P 24Hz HDCP 13 1920x1080 33 750 30 74 25 HDTV 1080P 30Hz HDCP 14 1920x1080 56 25 50 00 148 500 HDTV 1080P 50Hz HDCP 15 1920x1080 67 433 59 94 148 352 HDTV 1080P 60Hz HDCP 16 1920x1080 67 50 60 148 500 HDTV 1080P 60Hz HDCP 8 HDMI input DTV No Resolution H freq kHz V...

Page 11: ...lt force Swivel Degree Swivel 20degree Swivel Force 1 0 2 0kgf 5 Appearance Refer to Standard of LG 56 G4 9002 No Item Content Remark 1 Product Dimenson Width W Length D Height H Unit Before Packing 1037 6 378 795 mm After Packing 1330 257 844 mm 2 Product Weight Only SET 22 7 Kg With Box 27 2 Kg 3 Container Loading Quantity Individual or 40ft 40ft H CUBIC Palletizing Indi Wooden Indi Woonden 162 ...

Page 12: ... After Packing 1255 521 961 mm 2 Product Weight Only SET 32 6 Kg With Box 37 Kg 3 Container Loading Quantity Individual or 40ft 40ft H CUBIC Palletizing Indi Wooden Indi Woonden 82 82 4 Stand Assy Type Attachde detachable Size W x D x H 580 434 5 286 2 mm Tilt Degree Tilt force Swivel Degree Swivel 20degree Swivel Force 1 5 1 9kgf 5 Appearance Refer to Standard of LG 56 G4 9002 9 3 47LG6000 Downlo...

Page 13: ...elect White by using F G VOL and press ENTER V Set is activated HEAT run without signal generator in this mode Single color pattern RED BLUE GREEN of HEAT RUN MODE uses to check panel Caution If you turn on a still pattern more than 20 minutes Especially digital pattern cross hatch pattern an after image may be occur in the black level part of the screen 3 PCB assembly adjustment method Caution Us...

Page 14: ...e vertically 80 100 3 Aging time After aging start keep the power on no suspension of power supply and heat run over 15 minutes Using no signal or full white pattern or the others check the back light on 6 Manual white Balance 1 Press the ADJ KEY on Adjustment R C Select 3 Test Pattern by using D E CH and press ENTER V Select White by using F G VOL and press ENTER V and heat run over 15 minutes 2 ...

Page 15: ... voltage output comes out Yes Yes Is it identical with power off condition 1 Check the Power off condition Yes Does not the St by 5V P 5V signal comes out Yes Does not the VSC signal INV_CTL comes out Yes Manufacture enterprise meaning of a passage No 6 Check the VSC low Voltage output Yes Does not the AC Detect signal comes out Does not the RL_ON PWR_ON OFF comes out Does not the VSC Low Voltage ...

Page 16: ...ct the AC INLET No Are the fuses F100 F101 or F700 OK on the power board Yes Replace the fuses No Symptom 1 It does not charge at module 2 Front LED does not work Check the followings Is the power board connected with VSC Board though a cable Connect a cable No Yes Yes 2 No Power Measure output voltages 16V 12V 5V on the power board If the measured values are not a proper value replace power board...

Page 17: ...on with the front LED is white Check the followings Does Module control signal OK No Yes Is the Inverter OK Is Low High voltage outputs properly except stand by 5V No Replace the Power board No Check the LCD Module Yes Is the LVDS cable OK Reconnect the LVDS cable in P501 or P502 No Yes Is the IC100 FLI106X0H Output normal Replace the VSC No 3 No Raster Downloaded From TV Manual com Manuals ...

Page 18: ...C 2008 18 Copyright LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Downloaded From TV Manual com Manuals ...

Page 19: ...put voltage and CVBS output for the tuner OK Is the tuner OK In case of abnormal display on the screen when RF mode Is the RF cable connected with TV set Connect the RF cable Replace the tuner Is IC100 FLI106X0H OK Is the IIC communication waveform between the tuner and IC100 OK Replace IC100 FLI106X0H No Yes No No No No Yes Block A In the case of abnormal display on the screen when USB mode Is US...

Page 20: ... HDMI1 2 3 mode Is the HDMI switch IC200 OK Is the TMDS waveform between the IC and HDMI jacks OK Replace IC200 No No Yes Is video input of the AV JK100 JK101 JK103 OK Yes No Check the input source Is R G B input and H V sync of the JK102 P101 OK Yes No Check the input source Same as Block A Same as Block A In the case of abnormal display on the screen when HDMI4 mode Is the HDMI Jack JK204 OK Is ...

Page 21: ...t the output speaker on Download the EDID data No Is a speaker cable connected No Connect the speaker cable Yes Yes Is Only RF no sound No Check the tuner SIF AM Audio Input IC603 is OK No Replace IC603 MSP4458 Yes IC600 is OK No Replace IC600 NTP3000A Yes Replace VSC board Yes 5 In case of no sound Symptom 1 LED is green 2 Screen display but sound is not output Check follow Downloaded From TV Man...

Page 22: ...C 2008 Copyright LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 22 BLOCK DIAGRAM Downloaded From TV Manual com Manuals ...

Page 23: ...Inc All right reserved Only for training and service purposes LGE Internal Use Only 25 EXPLODED VIEW 300 200 801 400 901 900 540 820 530 580 810 120 500 121 560 510 803 804 570 840 520 830 805 802 Downloaded From TV Manual com Manuals ...

Page 24: ...DC_SCL_2 CK _HDMI1 D1 _HDMI1 D0 _HDMI3 D0 _HDMI1 CK _HDMI2 CK _HDMI1 DDC_SDA_1 D2 _HDMI2 D0 _HDMI3 DDC_SCL_1 D1 _HDMI2 D2 _HDMI1 D2 _HDMI2 D2 _HDMI3 DDC_SCL_3 DDC_SCL_1 DDC_SDA_1 DDC_SCL_2 DDC_SDA_2 DDC_SCL_3 DDC_SDA_3 HDMI 2 HDMI 1 HDMI SW SIDE HDMI 4 HDMI 3 33 R307 33 R302 33 R300 33 R304 33 R303 270pF C316 READY 33 R306 33 R305 33 R308 33 R310 33 R301 FE_RESET 3 3V_TUNER 1 8V SCL1_5V SIF TU_MAI...

Page 25: ... NC6 M7 A2 N7 A6 M8 A0 J1 VDDL K3 WE E8 LDQS P7 A11 K9 ODT A2 NC1 N2 A3 P2 A7 H8 VSSQ1 F7 LDQS A8 UDQS R2 A12 L8 CS E2 NC2 E7 VSSQ5 D8 VSSQ6 D2 VSSQ7 A7 VSSQ8 B8 VSSQ9 B2 VSSQ10 P9 VSS1 N1 VSS2 J3 VSS3 E3 VSS4 A3 VSS5 G9 VDDQ1 G7 VDDQ2 G3 VDDQ3 G1 VDDQ4 E9 VDDQ5 C9 VDDQ6 C7 VDDQ7 C3 VDDQ8 C1 VDDQ9 A9 VDDQ10 R1 VDD1 M9 VDD2 J9 VDD3 E1 VDD4 A1 VDD5 B9 DQ15 B1 DQ14 D9 DQ13 D1 DQ12 D3 DQ11 D7 DQ10 C2 ...

Page 26: ...F6 CVSS_1 D26 CVSS_2 D28 CVSS_3 E24 CVSS_4 E26 CVSS_5 E28 CVSS_6 G24 CVSS_7 G26 CVSS_8 G27 CVSS_9 J24 CVSS_10 J26 CVSS_11 J28 CVSS_12 L13 CVSS_13 L14 CVSS_14 L15 CVSS_15 L16 CVSS_16 L24 CVSS_17 L26 CVSS_18 L28 CVSS_19 M13 CVSS_20 M14 CVSS_21 M15 CVSS_22 M16 CVSS_23 N11 CVSS_24 N12 CVSS_25 N13 CVSS_26 N14 CVSS_27 N15 CVSS_28 N16 CVSS_29 N17 CVSS_30 N18 CVSS_31 N19 CVSS_32 N27 CVSS_33 N28 CVSS_34 P1...

Page 27: ...Jan 2008 Printed in Korea P NO MFL41557601 Downloaded From TV Manual com Manuals ...

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