LG 42LV3500 Service Manual Download | Manualshive

Page: 42 / 66

background image

LG Electronics/ LCD TV Division

LCD TV Gr.

Training Manual

(GP2R Mstar)

< Contents >

Video Signal Block

Video Signal Block

Audio Signal Block

Audio Signal Block

Flash Block & Reset

Flash Block & Reset

I2C Block

I2C Block

GPIO Block

GPIO Block

POWER Block

POWER Block

Overall Block Diagram

Overall Block Diagram

LVDS

출력

Block

LVDS

출력

Block

Trouble Shooting

Trouble Shooting

Copyright ⓒ 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes

LGE Internal Use Only

«
...
40
41
42
43
44
...
»

Summary of Contents for 42LV3500

Page 1: ... READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LT01M MODEL 42LV3500 42LV3500 DG North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL67127804 1110 REV00 ...

Page 2: ...ernal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 17 EXPLODED VIEW 23 SVC SHEET ...

Page 3: ...heck 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 etc If the exposed metallic part has a return path to...

Page 4: ...n your body by 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 b...

Page 5: ...e solder joints 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...

Page 6: ...s below without special appointment 1 Temperature 25 ºC 5 ºC 2 Relative Humidity 65 10 3 Power Voltage Standard input voltage 100 240V 50 60Hz Standard Voltage of each products is marked by models 4 Specification and performance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustmen...

Page 7: ...CD Module LC320EXN SDA1 LC320WXN SCA2 LGD 37 Color WUXGA TFT LCD Module LC370WUE SCA1 LC370EUN SDV2 LGD 42 Color WUXGA TFT LCD Module LC420WUE SCA2 LGD 42 02 Color WUXGA TFT LCD Module LC420EUN SDV3 LGD 42 Color WUXGA TFT LCD Module V420H2 LE5 CMI 42 Color WUXGA TFT LCD Module T420HW08 V1 AUO T420HW08 V9 AUO CI 46 96 Color WUXGA TFT LCD Module LC470EUE SDV1 LGD 3 Operating Environment Temp 0 50 de...

Page 8: ...GD 31 55 760 0 H x 450 0 V x 48 0 D LC320WUN SCA2 LGD LGD 37 877 0 H x 516 8 V x 36 4 D LC370WUE SCA1 LGD LGD 37 856 4 H x 501 0 V x 23 6 D LC370EUN SDV2 LGD LGD 42 983 0 H x 576 0 V x 46 0 D LC420WUE SCA2 LGD LGD 42 02 968 4 H x 564 0 V x 18 3 D LC420EUN SDV3 LGD AUO 42 968 4 H x 576 0 V x 25 1 D T420HW08 V1 AUO T420HW08 V9 AUO CI CMI 42 968 4 H x 564 0 V x 10 8 D V420H2 LE5 CMI LGD 46 96 1078 6 ...

Page 9: ...5HW07 V8 No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left Up Down 89 89 89 89 CR 10 Luminance cd m2 320 400 2 Luminance Variation 1 3 3 Contrast Ratio CR 3200 4000 All white All black White WX 0 28 WY Typ 0 29 Typ RED Xr 0 03 0 63 0 03 4 CIE Color Coordinates Yr 0 33 Green Xg 0 32 Yg 0 62 Blue Xb 0 15 Yb 0 04 5 4 32 TFT LCD Module CMI V315B5 LE3 No Item Specification Min T...

Page 10: ...315XW06 VD No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left Up Down 89 89 89 89 CR 10 Luminance cd m2 240 300 2 Luminance Variation 1 3 3 Contrast Ratio CR 1600 2000 All white All black White WX 0 280 WY Typ 0 290 Typ RED Xr 0 03 0 630 0 03 4 CIE Color Coordinates Yr 0 330 Green Xg 0 320 Yg 0 620 Blue Xb 0 150 Yb 0 04 5 7 32 TFT LCD Module AUO T315XW03 VF No Item Specifica...

Page 11: ...0WXN SCA2 No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left Up Down 89 89 89 89 CR 10 Luminance cd m2 380 450 2 Luminance Variation 1 3 3 Contrast Ratio CR 900 1200 All white All black White WX 0 279 WY Typ 0 292 Typ RED Xr 0 03 0 636 0 03 4 CIE Color Coordinates Yr 0 335 Green Xg 0 291 Yg 0 603 Blue Xb 0 146 Yb 0 061 5 10 32 TFT LCD Module LGD LC320WUN SCA2 No Item Specifi...

Page 12: ...37WUE SCA1 No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left Up Down 89 89 89 89 CR 10 Luminance cd m2 400 500 2 Luminance Variation 1 3 3 Contrast Ratio CR 1100 1500 All white All black White WX 0 279 WY Typ 0 292 Typ RED Xr 0 03 0 639 0 03 4 CIE Color Coordinates Yr 0 334 Green Xg 0 289 Yg 0 606 Blue Xb 0 145 Yb 0 065 5 13 37 TFT LCD Module AUO T370HW05 V1 No Item Specifi...

Page 13: ...0WUE SCA2 No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left Up Down 89 89 89 89 CR 10 Luminance cd m2 400 500 2 Luminance Variation 1 3 3 Contrast Ratio CR 1100 1500 All white All black White WX 0 279 WY Typ 0 292 Typ RED Xr 0 03 0 636 0 03 4 CIE Color Coordinates Yr 0 335 Green Xg 0 291 Yg 0 603 Blue Xb 0 146 Yb 0 061 5 16 42 TFT LCD Module AUO T420HW08 V1 No Item Specific...

Page 14: ...20EUN SDV3 No Item Specification Min Typ Max Remark 1 Viewing Angle CR 10 Right Left Up Down 89 89 89 89 CR 10 Luminance cd m2 290 360 2 Luminance Variation 1 3 3 Contrast Ratio CR 1100 1400 All white All black White WX 0 279 WY Typ 0 292 Typ RED Xr 0 03 0 637 0 03 4 CIE Color Coordinates Yr 0 341 Green Xg 0 325 Yg 0 600 Blue Xb 0 152 Yb 0 061 5 19 47 TFT LCD Module LGD LC470EUE SDV1 No Item Speci...

Page 15: ...280x720 45 00 60 00 HDTV 720p 10 1920x1080 28 125 50 00 HDTV 1080i 11 1920x1080 33 75 60 00 HDTV 1080i 12 1920x1080 33 72 59 94 HDTV 1080i 13 1920x1080 56 250 50 HDTV 1080p 14 1920x1080 67 43 67 5 59 94 60 HDTV 1080p No Specification Proposed Remark Resolution H freq kHz V freq Hz Pixel Clock MHz 1 720 400 31 468 70 08 28 321 For only DOS mode 2 640 480 31 469 59 94 25 17 VESA Input 848 480 60Hz 8...

Page 16: ...920 1080 67 5 60 148 5 WUXGA HDCP FHD Model 8 2 PC Mode 8 HDMI Input PC DTV 8 1 DTV Mode No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 720 480 31 469 31 5 59 94 60 27 00 27 03 SDTV 480P 2 720 576 31 25 50 54 SDTV 576P 3 1280 720 37 500 50 74 25 HDTV 720P 4 1280 720 44 96 45 59 94 60 74 17 74 25 HDTV 720P 5 1920 1080 33 72 33 75 59 94 60 74 17 74 25 HDTV 1080I 6 1920 1080 28 ...

Page 17: ...uto Detect and check OK message If Error is displayed Check connection between computer jig and set 3 Click Read tab and then load download file XXXX bin by clicking Read 4 Click Connect tab If Can t is displayed check connection between computer jig and set 5 Click Auto tab and set as below 6 Click Run 7 After downloading check OK message filexxx bin 7 5 8 OK 6 1 3 2 OK Please Check the Speed To ...

Page 18: ... aa 00 90 End Adjust Mode Required equipment Adjustment R C i TV Software Upgrade Upgrading Do not plug off 63 i TV Software Upgrade Upgrading COMPLETED The TV will restart after seconds 100 i TV Software Upgrade Copying files from memory Do not remove the memory card from the pc Do not plug off No Item CMD1 CMD2 Data0 1 Enter Adjust Mode A A 0 0 2 ADC Adjust A D 0 0 Model Tool option1 Tool option...

Page 19: ...he back light on 4 1 3 Auto adjustment Map RS 232C RS 232C COMMAND CMD ID DATA Wb 00 00 White Balance Start Wb 00 ff White Balance End Caution Color Temperature COOL Medium Warm One of R Gain G Gain B Gain should be kept on 0xC0 and adjust other two lower than C0 when R G B Gain are all C0 it is the FULL Dynamic Range of Module Manual W B process using adjusts Remote control After enter Service Mo...

Page 20: ...rocess in advance 4 4 EDID DATA 1 All Data HEXA Value 2 Changeable Data Serial No Controlled Data 01 Month Controlled Data 00 Year Controlled Check sum Auto Download After enter Service Mode by Pushing ADJ key Enter EDID D L mode Enter START by pushing OK key HDMI number is dependent on model Manual Download Caution 1 Use the proper signal cable for EDID Download Analog EDID Pin3 exists Digital ED...

Page 21: ...FHD HDMI 2 EDID Data CS E289 4 FHD HDMI 3 EDID Data CS E279 5 SMALL FHD RGB EDID Data CS ED 6 SMALL FHD HDMI 1 EDID Data CS E24F 7 SMALL FHD HDMI 2 EDID Data CS E23F 8 SMALL FHD HDMI 3 EDID Data CS E22F 9 HD RGB EDID Data CS CD 10 HD HDMI1 EDID Data CS B465 11 HD HDMI2 EDID Data CS B455 12 HD HDMI3 EDID Data CS B445 ...

Page 22: ... GND and SIGNAL CABLE GND Hi pot TEST POWER CORD GND and LIVE NUETRAL Test Process 1 Check the POWER CABLE and SIGNAL CABLE insertion condition 2 Connect the AV JACK Tester 3 Controller GWS103 4 on 4 GND TEST Auto If Test is failed Buzzer operate If Test is passed execute next process HI pot test Remove A V CORD from A V JACK BOX 5 HI POT test Auto If Test is failed Buzzer operate If Test is passe...

Page 23: ...ny electrical and mechanical parts in this chassis have special safety related characteristics These parts are identified by in the Schematic Diagram and EXPLODED VIEW It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X RADIATION Shock Fire or other Hazards Do not modify the original design without permission of man...

Page 24: ...2C_SCL POWER_ON OFF_1 5V_Normal A_DIM R123 1K OPT R160 2 7K Q101 KRC103S OPT E B C PF_ALE SPI_SCK PWM2 AR104 22 FE_TS_SYNC R167 22 R138 22 LED_R BUZZ R102 3 3K R164 22 IC104 AT24C256C SSHL T 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC R171 10K MODEL_OPT_4 MODEL_OPT_5 R172 0 OPT R173 0 OPT PM_MODEL_OPT_0 PM_MODEL_OPT_0 3 5V_ST PM_MODEL_OPT_1 R178 100 OPT R179 100 OPT OLP AMP_SDA AMP_SCL IC101 LGE21...

Page 25: ...D_DA GPIO30 R6 DDCDD_CK GPIO29 U6 HOTPLUGD GPIO22 P5 CEC GPIO5 R4 HSYNC0 P2 VSYNC0 R3 RIN0P N2 RIN0M P3 GIN0P N3 GIN0M N1 BIN0P M3 BIN0M M2 SOGIN0 M1 HSYNC1 V2 VSYNC1 V3 RIN1P U3 RIN1M U2 GIN1P T1 GIN1M T2 BIN1P R2 BIN1M R1 SOGIN1 T3 HSYNC2 AA2 RIN2P Y2 RIN2M AA3 GIN2P W2 GIN2M Y3 BIN2P V1 BIN2M W3 SOGIN2 W1 CVBS0 AA8 CVBS1 Y4 CVBS2 W4 CVBS3 AA5 CVBS4 Y5 CVBS5 AA4 CVBSOUT0 Y6 CVBSOUT1 AA1 VCOM AB4...

Page 26: ...9 330 5V_TUNER C460 10uF 25V 5V_TUNER C476 0 1uF 16V 5V_Normal C431 0 1uF 16V C455 0 1uF 16V L407 MLB 201209 0120P N2 C430 10uF 10V 3 3V_Normal C490 0 1uF 16V 5V_TUNER R439 33K IC410 AP1117EG 13 5V_TUNER ADJ GND OUT IN R447 1 21K 1 10W 1 PD_ 12V RL_ON C417 0 1uF 16V 5V_TUNER R473 1 P404 FM20020 24 NORMAL_32 19 14 9 4 18 13 8 3 17 12 7 2 16 11 6 1 20 15 10 5 21 22 23 24 25 R417 110 5V_TUNER R405 1 ...

Page 27: ...UB R2405 10K 1 C2408 18pF 50V OPT C2407 100pF 50V SENSOR_SCL C2402 0 1uF 3 5V_ST C2401 0 1uF R2425 47K OPT R2431 47K OPT R2414 1 5K R2412 100 EYEQ TOUCH_KEY SENSOR_SDA 3 3V_Normal C2409 18pF 50V OPT R2427 0 P2401 12507WR 12L OLD_SUB 1 2 3 4 5 6 7 8 9 10 11 12 13 3 5V_ST C2405 0 1uF 16V JP2410 R2428 22 R2404 10K 1 KEY1 R2426 47K IR C2410 0 1uF 16V OPT KEY2 JP2409 R2401 100 P2402 12507WR 15L NEW_SUB...

Page 28: ...MBOL MARK OF THE SCHEMETIC USB1_CTL R1454 10K L1451 MLB 201209 0120P N2 120 ohm IC1450 AP2191DSG EAN61849601 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC L1451 1 CIS21J121 JK1450 3AU04S 305 ZC LG USB_JACK 1 2 3 4 5 5V_USB C1452 10uF 10V USB1_OCD SIDE_USB_DM C1453 0 1uF R1458 2K 1 8W 1 R1459 2K 1 8W 1 JK1450 1 3AU04S 345 ZC H LG USB_JACK_LV3400 1 2 3 4 5 R1455 4 7K OPT D1451 RCLAMP0502BA OPT...

Page 29: ... 1 D2 17 9 D0 8 D0_GND 3 D2 16 7 D0 6 D1 15 D0 _HDMI1 R808 10K DDC_SDA_1 JP810 IC802 AT24C02BN SH T HDMI_2_ATMEL 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC R804 1 8K 5V_Normal IC801 1 R1EX24002ASAS0A HDMI_1_RENESAS 3 A2 2 A1 4 VSS 1 A0 5 SDA 6 SCL 7 WP 8 VCC R877 22 R874 10K HDMI_1_EEPROM D2 _HDMI4 CK _HDMI2 C806 0 1uF EDID_WP EDID_WP R806 10K D1 _HDMI2 DDC_SCL_1 D822 ENKMC2838 T112 A1 C A2 DDC_S...

Page 30: ...1131 0 1uF 16V R1147 1K SIDE_HP_MUTE R1143 22 5V_Normal R1102 470K R1137 75 RGB_DDC_SCL C1126 68pF 50V OPT JK3301 KJA PH 0 0177 HEAD_PHONE 3 DETECT 4 L 5 GND 1 R C1127 18pF 50V Q1106 2SC3052 E B C C1118 10uF 16V C1107 100pF 50V R1135 75 R1128 1K HP_LOUT 002 V7 D1102 5 6V OPT AMOTECH R1141 22 D1116 5 6V OPT D1109 30V JK1104 SPG09 DB 010 1 RED 2 GREEN 3 BLUE 4 GND_1 5 DDC_GND 6 RED_GND 7 GREEN_GND 8...

Page 31: ...COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC JP1112 C1106 0 1uF PM_RXD C1103 0 1uF C1101 0 33uF C1104 0 1uF 3 5V_ST D1107 30V CDS3C30GTH OPT R1123 100 C1105 0 1uF C1102 0 1uF R1124 100 JK1101 SPG09 DB 009 1 2 3 4 5 6 7 8 9 10 JP1111 IC1101 MAX3232CDR EAN41348201 3 C1 2 V 4 C2 1 C1 6 V 5 C2 7 DOUT2 8 RIN2 9 ROUT2 10 DIN2 11 DIN1 12 ROUT1 13 RIN1 14 DOUT1 15 GND 16 VCC PM_TXD D1108 30V CDS3C30GTH ...

Page 32: ...B0 R705 3 3K OPT 3 3V_Normal P703 FI RE51S HF J R1500 WAFER_FHD 1 2 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 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 RXA2 RXA0 C703 0 1uF 16V HD RXB1 C710 0 1uF 16V WAFER_FHD P705 FF10001 30 HD 1 2 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 28 29 30 31 RXB2 RXB4 RXA0 RXA1 RXA0 PAN...

Page 33: ...VSSQ_2 B9 VSSQ_3 D1 VSSQ_4 D8 VSSQ_5 E2 VSSQ_6 E8 VSSQ_7 F9 VSSQ_8 G1 VSSQ_9 G9 C1203 0 1uF B MVREFDQ R1227 1K 1 C1228 0 1uF A MWEB C1248 0 1uF B MCASB C1222 0 1uF C1215 0 1uF A MA8 B MA6 B MVREFCA B MDQL5 B MCKE B MCKE A MRASB A MVREFCA A MDQL5 C1205 10uF B MA7 A MA0 A MDQU4 C1232 0 1uF A MDQU5 B MA13 NT5CB64M16DP CF IC1202 2 DDR_1333_NANYA_NEW EAN61857201 A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R...

Page 34: ...TICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SPI_SCK 3 5V_ST Q1401 KRC103S OPT E B C 3 5V_ST C1401 0 1uF R1404 4 7K OPT SPI_CS SPI_SDO IC1401 MX25L8006EM2I 12G S_FLASH_MAIN_MACRONIX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC R1405 33 R1403 10K OPT SPI_SDI FLASH_WP R1401 0 OPT IC1401 1 W25Q80BVSSIG S_FLASH_MAIN_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VC...

Page 35: ...R FE_TS_CLK R3726 0 FULL_NIM TU_CVBS C3722 22uF 16V 5V_TUNER R3723 0 FULL_NIM_CHINA C3704 0 1uF 16V C3728 0 1uF 16V OPT FE_TS_DATA 0 7 L3703 MLB 201209 0120P N2 C3740 0 1uF 16V HALF_NIM TU3702 3 UDA55AL GP3_ATSC_1INPUT_H_SANYO 14 3 3V 13 1 2V 5 AS 12 GND 11 VIDEO 2 NC_2 10 NC_3 4 NC RF_AGC 1 NC_1 17 DIF_1 9 SIF 8 NC IF_TP 3 B 5V 16 IF_AGC_CNTL 7 SDA 6 SCL 15 RESET 18 DIF_2 19 SHIELD R3740 1 1K TU_...

Page 36: ...OR2 18 BST2B 19 PGND2B 20 OUT2B_1 21 OUT2B_2 22 PVDD2_1 23 PVDD2_2 24 PVDD2_3 25 OUT2A_1 26 OUT2A_2 27 PGND2A 28 BST2A 29 VDR2 30 GND_2 31 VCC_5 32 VDR1 33 BST1B 34 PGND1B 35 OUT1B_1 36 OUT1B_2 37 PVDD1_1 38 PVDD1_2 39 PVDD1_3 40 OUT1A_1 41 OUT1A_2 42 PGND1A 43 BST1A 44 RESET 45 AD 46 GND_IO 47 CLK_I 48 VDD_IO 49 EP R519 4 7K 0 1uF C520 50V Q501 2SC3052 E B C C535 0 47uF 50V R505 3 3K L505 10 0uH ...

Page 37: ...6V NON_EU R1621 75 R1626 470K R1604 75 C1618 4700pF EU_OPT R1633 10K C1648 220pF 50V OPT AV_CVBS_DET R1627 22 EU_OPT COMP2_Pr R1636 12K R1619 75 R1616 75 EU_OPT L1602 BLM18PG121SN1D EU_OPT SCART1_Rout R1623 15K EU_OPT C1645 10uF 16V EU_OPT C1617 1000pF 50V OPT SC1_B COMP1_Pb AV_R_IN R1668 10K EU_OPT SC1 COMP1_DET R1634 12K SC1_R COMP1_Pr D1605 30V C1636 0 1uF EU_OPT R1605 75 3 3V_Normal COMP2_Y D1...

Page 38: ...IDE_COMP R9917 12K SIDE_CVBS COMP2_DET JK9902 KJA PH 1 0177 SIDE_COMP 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 D9902 5 6V OPT ADMC5M03200L_AMODIODE SIDEAV_R_IN D9903 5 6V SIDE_CVBS ADMC5M03200L_AMODIODE R9906 470K SIDE_CVBS D9904 5 6V SIDE_CVBS ADMC5M03200L_AMODIODE L9903 BLM18PG121SN1D SIDE_CVBS C9905 100pF 50V SIDE_CVBS R9916 12K SIDE_CVBS COMP2_Pr R9911 10K SIDE_CVBS D9908 5 6V OPT 3 3V_Normal COMP2...

Page 39: ...I_ADDR 4 CI_MDI 6 CI_DET GND AR1903 33 AR1913 33 CI_TS_DATA 6 R1917 10K PCM_RST R1913 10K R1908 100 PCM_A 1 CI_ADDR 2 PCM_CD CI_MDI 5 PCM_5V_CTL PCM_A 7 AR1908 33 CI_OE 3 3V_CI CI_ADDR 8 GND CI_OE CI_TS_CLK C1909 0 1uF CI_ADDR 7 CI_IORD CI_DATA 0 7 CI_ADDR 1 CI_MDI 3 PCM_A 11 CI_ADDR 6 P1902 10067972 050LF G1 G2 57 21 52 16 10 47 41 5 36 59 23 45 54 18 49 43 13 7 38 2 25 56 20 51 15 9 46 40 4 35 5...

Page 40: ...10205 GAS4 2 7 5T_GAS MDS62110209 GAS1 5 8 5T_GAS MDS62110205 GAS2 2 7 5T_GAS MDS62110209 GAS3 5 8 5T_GAS MDS62110209 GAS5 5 8 5T_GAS MDS62110209 GAS6 5 8 5T_GAS MDS62110205 GAS1 2 7 5T_GAS MDS61887708 GAS6 4 12 5T_GAS MDS62110204 GAS6 1 5 5T_GAS MDS61887708 GAS2 4 12 5T_GAS MDS61887708 GAS1 4 12 5T_GAS MDS62110204 GAS2 1 5 5T_GAS MDS62110205 GAS6 2 7 5T_GAS MDS62110205 GAS7 2 7 5T_GAS MDS62110204...

Page 41: ......

Page 42: ...io Signal Block Flash Block Reset Flash Block Reset I2C Block I2C Block GPIO Block GPIO Block POWER Block POWER Block Overall Block Diagram Overall Block Diagram LVDS 출력 Block LVDS 출력 Block Trouble Shooting Trouble Shooting Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 43: ...U_SDA SC Reset Switch AV1 Component 1 2 Y Pb Pr L R CVBS L R CS RE WE Audio L R Audio L R for RGB HDMI 3 side HDMI SPDIF DP DM 5V RX TX RX TX Micom UPD78F0514 24MHz JACK PACK JACK PACK at REAR at REAR SCL SDA_3 3V LVDS RF S7R LGE101 S7MR LGE107 RS 232C CTRL SVC S W Reset TDTR T036F Audio L R H P LCD Module 51pin FHD 30pin HD I2C SCL SDA 120Hz Option LCD Module 41pin FHD 120Hz Copyright ⓒ 2011 LG E...

Page 44: ...MP1_Y COMP1_Pr COMP1_Pb AV_CVBS_IN SIDEAV_CVBS_I N RXCAKP RXCAKN RXA0P RXA0N RXA1P RXC1N RXA2P RXA2N D2 _HDMI1 D1 _HDMI1 D0 _HDMI1 CK _HDMI1 CEC_REMOTE CEC_REMOTE D2 _HDMI4 D1 _HDMI4 D0 _HDMI4 CK _HDMI4 IF_AGC RXCCKP RXCCKN RXC0P RXC0N RXC1P RXC1N RXC2P RXC2N RF TDTR T036F TU_SIF TU_CVBS IF Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal U...

Page 45: ...EAV_L_IN PC_R_IN PC_L_IN Digital AMP NTP7100N SPDIF_OUT 3 3V 1K Audio L H P Audio R HP_ROUT HP_LOUT IP IF IFAGC SIFP CVBS0P IF_AGC RF TU_SIF TU_CVBS IF TDTR T036F I2S_OUT_MCK I2S_SCK I2S_LCRK I2S_MASTER_CL K I2S_LCRH I2S_OUT_BCK I2S_OUT_WS I2S_OUT_SD Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 46: ...BZ PF_OE PF_CE0 PF_CE1 PF_ALE PF_WE RB RE CE CLE ALE WE I O 0 I O 1 I O 2 I O 3 I O 4 I O 5 I O 6 I O 7 8 PCM_A 0 7 WP PF_AD15 F_RB PF_OE PF_CE0 PF_CE1 PF_ALE PF_WE PF WP Reset Switch Micom UPD78F0514 SOC_RESET HWRESET 3 3V 3 5V_ST Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 47: ... AUDIO AMP NTP7100 IC501 AMP_SCL SDA EEPROM CAT24WC08W IC103 22 ohm 22 ohm Micom UPD78F05134 IC1002 EEPROM AT24C512BW IC1001 GPIO 174 GPIO 175 NEC_SCL SDA 22 ohm 22 ohm 3 3V_Nor 3 3k ohm 3 3k ohm 3 3V_Nor 2 7k ohm 2 7k ohm TGPIO0 TGPIO1 TGPIO2 TGPIO3 Tuner TDTR T036F TU3702 0ohm 0 ohm 22 ohm 22 ohm EEPROM AT24C02BN8 IC801 IC802 IC804 DDCDA_CK DDCDC_CK 22 ohm 22 ohm DDC_SCL SDA 5V_Gen 2 7k ohm 2 7k...

Page 48: ...2C MAX3232CDR UART_RX2 S7_RXD UART_TX2 S7_TXD 5V_HDMI_4 P403 or P402 POWER WAFER PWM2 PWM_DIM A_DIM PWM0 USB_DM1 USB_DM USB_DP1 USB_DP JK1450 USB JACK Error_DET GPIO 41 HP_DET GPIO 8 PM2 GPIO143 TCON0 GPIO147 TCON4 R2619 R2618 Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 49: ...T0 E7 USB1_OCD 50 PWM3 GPIO69 G22 SC_RE2 51 PWM4 GPIO70 G21 SC_RE1 103 GPIO51 UART1_TX F19 M_REMOTE_TX 104 GPIO50 UART1_RX F20 M_REMOTE_RX 52 SAR0 GPIO31 C6 DSUB_DET 53 SAR1 GPIO32 B6 MODEL_OPT_ 105 GPIO42 G19 MODEL_OPT_0 54 SAR2 GPIO33 C8 PCM_5V_CTL 106 GPIO41 G20 ERROR_OUT 55 SAR3 GPIO34 C7 RST_PHY 107 GPIO40 M20 SC1 COMP1_DET 56 SAR4 GPIO35 A6 RST_HUB 108 GPIO39 L20 FRC_RESET 109 GPIO38 K20 ET_...

Page 50: ...AMP NTP7100L RS232C MAX3232CDR RXD0 NEC_RXD TXD0 NEC_TXD AMP_MUTE P403 or P402 POWER WAFER INT_CTL RL_ON R2619 R2618 P74 P73 P71 P140 KEY1 KEY2 ANI6 ANI7 IR INTP5 Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 51: ...R X D 6 N E C _ I S P _ R x 1 9 P 1 3 T X D 6 N E C _ I S P _ T x 2 0 P 1 2 S O 1 0 P O W E R _ O N O F F 2 _ 2 2 1 P 1 1 S L 1 0 R X D 0 N E C _ R X D 2 2 P 1 0 S C K 1 0 T X D 0 N E C _ T X D 2 5 A N I 7 P 2 7 K E Y 1 2 6 A N I 6 P 2 6 K E Y 2 2 7 A N I 5 P 2 5 S I D E _ H P _ M U T E 2 8 A N I 4 P 2 4 O L P 2 9 A N I 3 P 2 3 P O W E R _ O N O F F 1 3 0 A N I 2 P 2 2 M O D E L 1 _ O P T _ 2 3 1 ...

Page 52: ...LVDS TXAC LVDS TXA3 Panel_Vcc 12V LVDS OUT Block P703 51pin LVDS Wafer FHD 60Hz Panel_Vcc 12V P704 41pin LVDS Wafer FHD 120Hz 120Hz OPT LVDS TXB0 LVDS TXB1 LVDS TXB2 LVDS TXBC LVDS TXB3 LVDS TXA4 LVDS TXB4 Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 53: ... TPS54319 DCDC 3A IC1101 MAX3232CDR RS 232C 3 5V_ST L404 IC1 IC2 H5PS5162FFR S6C DDR2 IC1002 UPD78F0514 Micom IC1001 M24C16 WMN6T EEPROM IC408 APX803D RESET IC Power_DET IC100 Main SOC S7 LGE101D S7 T LGE105 Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 54: ...072AIL DCDC 2A Q409 AO3407A FET L402 12V 15V 5V_Normal IC408 APX803D Power_DET PANEL_VCC P403 or P402 2 4 3 1 2 IC501 NTP 7100 24V Power_DET 24V L407 P703 P705 IC1450 AP2191SG 13 OPC P1450 USB JACK IC409 APS803D RESET IC Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 55: ...4BN EEPROM 3 3V_Nor mal 3 3V_Normal L424 IC102 NAND01GW3A2CN6E Flash IC501 NTP7100 AMP IC404 AZ1117H 1 8TRE1 LDO 1 8V_AMP IC501 NTP7100 IC402 AZ2940D 2 5TRE1 LDO 2 5V_Normal L3703 3 3V_TU IC100 Main SOC S7R LGE101 S7MR LGE107 TU6600 TDVJ H001F Tuner Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 56: ...2BN EDID EEPROM 5V_Norm al 5V_Normal L422 IC1105 AT24C02BN EDID EEPROM IC406 AOZ1072AI DCDC 2A For HDMI For RGB PC L3702 5V_TU TU3702 TDTR T036F Tuner Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 57: ...Check Power Board or Module Check IC402 3 5 7 Output Voltage IC402 2 5V IC403 1 26V IC405 3 3V IC407 1 5V Replace IC402 3 5 7 Re download Micom software Check Micom Voltage IC1002 pin 48 3 5V Replace L404 Check LVDS Power Voltage Q409 12V Replace Q409 Check Mstar LVDS Output Replace Mstar IC101 or Main Board Change Module ok ok ok ok ok ok ok ok ok ok No No No No No No No No No No Check X201 Cryst...

Page 58: ...wer Check IC406 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok ok ok No No No No No Replace IC406 No Bad Tuner Replace Tuner Replace Tuner ok Check IC405 Replace IC405 No Replace Tuner ok Check IC3703 Replace IC3703 No Replace Tuner ok Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 59: ...r Check IC406 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok ok ok No No No No No Replace IC406 No Bad Tuner Replace Tuner Replace Tuner ok Check IC405 Replace IC405 No Replace Tuner ok Check IC3703 Replace IC3703 No Replace Tuner ok Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 60: ...le for damage or open connector Check JK1601 JK1603 Y PB PR signal Line ok ok ok No Replace Jack ok Check CVBS_DET Signal Replace R1660 or R1666 No Check Mstar LVDS Output Replace Mstar IC100 or Main Board No Check COMP_DET Signal Replace R1612 or R1615 or R1613 R1614 No Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok No Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for ...

Page 61: ...1413 SDA SCL Check JK1104 H V_Sync R G B Signal Line ok ok ok No No Replace the defective IC or re download EDID data ok Replace Jack Check DSUB_DET Replace R1146 or R1147 No Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok No Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 62: ...download EDID data Check HDCP Key EEPROM IC103 Power I2C Signal Replace the defective IC ok No Replace Jack Check HDMI Signal Check other set If no problem check signal line ok No Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok No Replace Main Board No Check HPD No ok Replace R895 R896 R897 Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes L...

Page 63: ...oggle the Menu Check AMP IC IC501 Power 24V or 20V 3 3V 1 8V No Check Regulator IC404 1 8V IC405 3 3V POWER B D 24V Check Mstar I2S Output R503 R504 R505 No Check signal line Or replace Mstar IC101 or IC501 Check Mstar AUDIO_MASTER_CLK R148 No Replace Mstar IC101 or Main Board ok Check AMP I2C Line R506 R507 No Check signal line Or replace Mstar IC101 or IC501 Copyright ⓒ 2011 LG Electronics Inc A...

Page 64: ...wer Check IC406 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok ok ok No No No No No Replace IC406 No Bad Tuner Replace Tuner Replace Tuner ok Check IC405 Replace IC405 No Replace Tuner ok Check IC3703 Replace IC3703 No Replace Tuner ok Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 65: ...IC406 Check Q3709 Replace Q3709 TR ok ok ok ok ok No No No No No Replace IC406 No Bad Tuner Replace Tuner Replace Tuner ok Check IC405 Replace IC405 No Replace Tuner ok Check IC3703 Replace IC3703 No Replace Tuner ok Replace the IC101 or main b d ok Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 66: ...ine ok ok No Replace Jack Follow procedure 8 All source audio trouble shooting guide Follow procedure 8 All source audio trouble shooting guide 13 RGB Audio Check Cable conductors for damage or open connector Check JK1102 Audio Line ok No ok Replace Jack Follow procedure 8 All source audio trouble shooting guide Copyright ⓒ 2011 LG Electronics Inc All right reserved Only for training and service p...

Reviews:

No comments

Related manuals for 42LV3500

Brand: Axess Pages: 18

Brand: Xoro Pages: 100

Brand: Gogen Pages: 137

Brand: Zenith Pages: 44

Brand: Insignia Pages: 2

Brand: Grundig Pages: 60

Brand: Allview Pages: 54

Brand: Olevia Pages: 24

Brand: Oceanic Pages: 87

Brand: Samsung Pages: 60

Brand: Samsung Pages: 44

Brand: Samsung Pages: 66

Brand: Craig Pages: 18

Brand: Parker Pages: 12

Brand: Hitachi Pages: 53

32HDL52 - 32" LCD TV

Brand: Hitachi Pages: 101

32HLX61 - LCD Direct View TV

Brand: Hitachi Pages: 104

Brand: Hitachi Pages: 105

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands