LG 39LB5600 Service Manual Download

Page: 1 / 39

Printed in Korea

P/NO : MFL68004103(1402-REV00)

CHASSIS : LA44B

MODEL : 39LB5600

39LB5600-UH

CAUTION

BEFORE SERVICING THE CHASSIS,

READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

LED TV

SERVICE MANUAL

North/Latin America

http://aic.lgservice.com

Europe/Africa

http://eic.lgservice.com

Asia/Oceania

http://biz.lgservice.com

Internal Use Only

Summary of Contents for 39LB5600

Page 1: ...ODEL 39LB5600 39LB5600 UH CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL LED TV SERVICE MANUAL North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Page 2: ... LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 9 TROUBLE SHOOTING 16 BLOCK DIAGRAM 22 EXPLODED VIEW 23 SCHEMATIC CIRCUIT DIAGRAM ...

Page 3: ...inals etc to be sure the set is safe to operate without 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 m...

Page 4: ...lectrostatic charge on your body by touching a known earth ground Alter natively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent poten tial 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...

Page 5: ...he 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 replace...

Page 6: ...tion by part number in accordance with BOM 5 The receiver must be operated for about 20 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA IEC specification EMC FCC ICES IEC specification 4 General Specification No Item Specification Result Remark 1 Receiving System 1 ATSC NTSC M 64 QAM 256 QAM 1 ATSC NTSC M 64 QAM 2...

Page 7: ...550B UC DIRECT L LC320DXE FGA5 LGD 32LB550B UC 9 Operating Environment 1 Temp 0 40 deg 2 Humidity 80 10 Storage Environment 1 Temp 20 60 deg 2 Humidity 85 5 Supported video resolutions 5 1 Component input Y CB PB CR PR No Resolution H freq kHz V freq kHz Pixel clock Proposed 1 720 480 15 73 60 00 13 5135 SDTV DVD 480I 2 720 480 15 73 59 94 13 50 SDTV DVD 480I 3 720 480 31 50 60 00 27 027 SDTV 480P...

Page 8: ...0 1080 67 50 60 00 148 50 HDTV 1080P 8 1920 1080 67 432 59 94 148 352 HDTV 1080P 9 1920 1080 27 00 24 00 74 25 HDTV 1080P 10 1920 1080 26 97 23 976 74 176 HDTV 1080P 11 1920 1080 33 75 30 00 74 25 HDTV 1080P 12 1920 1080 33 71 29 97 74 176 HDTV 1080P PC DDC 1 640 350 31 468 70 09 25 17 EGA X 2 720 400 31 469 70 08 28 32 DOS O 3 640 480 31 469 59 94 25 17 VESA VGA O 4 800 600 37 879 60 31 40 00 VES...

Page 9: ...till image is displayed for a period of 20 minutes or longer especially where W B scale is strong Digital pattern 13ch and or Cross hatch pattern 09ch there can some afterimage in the black level area 3 Adjustment items 3 1 Main PCBA Adjustments 1 ADC adjustment ADC adjustment is OTP Auto ADC 2 EDID download HDMI Above adjustment items can be also performed in Final Assembly if needed Both Board l...

Page 10: ...03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40 45 40 61 40 71 40 81 80 30 01 01 01 01 01 01 02 3A 80 18 71 38 2D 40 58 2C 40 45 00 40 84 63 00 00 1E 66 21 50 B0 51 00 1B 30 50 40 70 36 00 40 84 63 00 00 1E 00 00 00 FD 00 3A 60 3E 1E 53 10 00 0A 20 20 20 20 20 20 00 00 00 FC 70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 E7 EDID Block 1 Bytes 128 255 80H FFH 0 1 2 3 4 5 6 7 8 9 ...

Page 11: ...20 E0 2D 10 10 3E 96 00 40 84 63 00 00 60 18 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 F8 4 2 5 2 AC3 EDID Data 4 2 5 2 1 FHD Model HDMI 1 FHD 8BIT C S E796 EDID Block 0 Bytes 0 127 00H 7FH 0 1 2 3 4 5 6 7 8 9 A B C D E F 0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 01 10 01 18 01 03 80 A0 5A 78 0A EE 91 A3 54 4C 99 26 20 0F 50 54 A1 08 00 31 40...

Page 12: ...7 8 9 A B C D E F 0 02 03 1C F1 48 10 22 20 05 84 03 02 01 26 15 07 10 50 09 57 07 67 03 0C 00 20 00 80 1E 02 3A 80 18 20 71 38 2D 40 58 2C 04 05 40 84 63 00 00 1E 01 1D 30 80 18 71 1C 16 20 58 2C 25 00 40 84 63 00 00 9E 40 01 1D 00 72 51 D0 1E 20 6E 28 55 00 40 84 63 00 50 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 96 00 40 84 60 63 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 70 00 00 00 00 00 00 00 00...

Page 13: ...5 2 Manual adj method 1 Set TV in Adj mode using POWER ON 2 Zero Calibrate the probe of Color Analyzer then place it on the center of LCD module within 10cm of the surface 3 Press ADJ key EZ adjust using adj R C 6 White Balance then press the cursor to the right KEY When KEY is pressed 204 Gray 80IRE internal pattern will be displayed 4 One of R Gain G Gain B Gain should be fixed at 192 and the re...

Page 14: ...option selection is only done for models in Non USA North America due to rating 2 Applied model LA32B Chassis applied to CANADA and MEXICO 5 2 2 Country Group selection 1 Press ADJ key on the Adj R C and then select Country Group Menu 2 Depending on destination select US then on the lower Country option select US CA MX Selection is done using KEY 3 Using DFT Auto PC for communication through RS 23...

Page 15: ... 12 0 9 8 W Vrms 1 Measurement condition EQ AVL Clear Voice Off 2 Speaker 8Ω Impedance 8 Eye Sensor Function check 1 Press EYE key of Adj R C in dark room 2 Check below two conditions in dark room i Check if Check Result is OK ii Check if the Backlight value is lower than 40 When Check Result is OK and Backlight value is lower than 40 Eye Sensor operates normally 3 After coming out of Darkroom che...

Page 16: ...ar IC101 or Main board Check Multi Voltage P401 9 10pin 24V 13 14 15pin 12V Replace Power Board Check DRV ON Control P401 2 pin High Check Power Board Check IC402 3 4 Output Voltage IC402 2 5V IC403 1 5V IC404 1 15V Q403 3 3V Replace IC402 IC403 IC404 Q403 Re download software Check stand by Voltage L401 L404 3 5V Replace L401 L404 Check LVDS Power Voltage Q409 12V Replace Q409 Check Mstar LVDS Ou...

Page 17: ... pin 1 8V Check IF_P N Signal TU3700 10 11 Pin Replace IC3703 Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok ok ok ok No No No No Bad Tuner Replace Tuner 3 AV Video Check inputsignal format Is it supported Check AV Cable for damage for damage or open conductor Check JK1701 CVBS Signal Line R1707 ok ok ok No Replace Jack ok Check CVBS_DETSignal Replace R1713 No Check Mstar LVDS Output...

Page 18: ...o Check Mstar LVDS Output Replace Mstar IC101 or Main Board ok No 5 HDMI Video Check inputsignal format Is it supported Check HDMICable conductors for damage or open conductor Check EDID R810 R811 R815 R816 I2C Signal Check JK800 JK801 ok ok ok No No Replace the defective IC or re download EDID data ok Replace Jack Check HDMISignal Check other set If no problem check signal line ok No Check Mstar ...

Page 19: ... MHL Cable conductors for damage or open conductor Check MHL Signal R214 R215 Check JK801 ok ok ok No No Replace the defective IC or re download EDID data ok Replace Jack Check MHL 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 CD_Sense Cbus Vbus No Replace R817 C800 ...

Page 20: ... ok No Check Connector P5600 Replace connector if found to be damaged ok No Check speaker resistance and connector damage Replace speaker ok No Off Toggle the Menu Check AMP IC IC5600 Power 24V 3 3V No Replace Amp IC IC5600 Check Mstar I2S Output IC5600 20 21 22 Pin No Check signal line Or replace Mstar IC101 Check Mstar AUDIO_MASTER_CLK R148 No Replace Mstar IC101 or Main Board ok Check AMP I2C L...

Page 21: ...wer IC3703 2 pin 1 8V Check IF_P N Signal TU3700 10 11 Pin Replace IC3703 ok ok ok No No No Bad Tuner Replace Tuner 9 AV Audio Check AV Cable for damage for damage or open conductor Check JK1702 Signal Line R1714 R1715 ok ok No Replace Jack Follow procedure 7 All source audio trouble shooting guide 10 Component Audio Check Component Cable for damage or open conductor Check JK1702 Signal Line R1714...

Page 22: ...MX25L6406EMI LVDS FHD HD 60z USB2 0 DP DM SPK L R X tal 24MHz FPC 51P FHD I2S SPDIF L R Y Pb Pr L R Rear TMDS DDR3 Add DDR3 Data SPI AV Side TMDS HDMI MHL CVBS L R CONTROL IR LED KEY1 KEY2 IR LED_R I2C RS 232C FPC 30P HD MAX3232 RS232C CLK 667MHz Internal Micom PM I2C DDR3 128MB 1Gb Hynic H5TQ1G63DFR AT24C512C SSHD T 512k bit Half NIM SI2158B_ATSC_1INPUT A_IF AMP STA380BWE CLK 800MHz ...

Page 23: ...acteristics 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 manufacturer IMPORTANT SAFETY NOTICE A2 A3 A10 LV1 Set Stand 200 530 410 120 121 540 5...

Page 24: ...R_DET C422 0 1uF 16V 24V 12V POWER_DET_RESET IC405 APX803D29 1 GND 3 VCC 2 RESET 3 5V_POWER_DET 3 5V_POWER_DET C433 0 1uF R450 0 5 OPT R447 1 2K 1 R446 2 7K 1 C420 1uF 10V 1005 OPT R444 8 2K 1 OPT R458 100 OPT 24V IC406 APX803D29 OPT 1 GND 3 VCC 2 RESET R456 100K OPT 3 5V_ST C419 1uF 10V 1005 OPT R451 0 5 OPT C435 390pF 50V L410 3 6uH C430 0 1uF 16V 3 5V_ST C431 0 1uF 16V C421 0 1uF 16V OPT C432 0...

Page 25: ...UFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 13 03 27 USB 7 NC4_S7LRM JK700 3AU04S 305 ZC LG 1 2 3 4 5 D700 RCLAMP0502BA OPT SIDE_USB1_DM SIDE_USB1_DP 5V_USB C700 22uF 10V ZD700 5V OPT C701 5pF 50V OPT C702 5pF 50V OPT C703 22uF 10V USB SIDE Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Interna...

Page 26: ...4 NXP E B C JK800 EAG59023302 14 13 5 D1_GND 20 SHIELD 12 11 2 D2_GND 19 18 10 CK 4 D1 1 D2 17 9 D0 8 D0_GND 3 D2 16 7 D0 6 D1 15 R801 2 7K D806 1 RCLAMP0524PA ESD_HDMI2_SEMTECH 1 8 2 7 3 6 4 5 9 10 VA810 ESD_HDMI2 R815 100 DDC_SCL_2 D0 _HDMI2 DDC_SCL_4 D1 _HDMI4 R812 1 8K R800 2 7K D0 _HDMI2 HPD2 HPD4 HDMI_CEC R817 300K R811 100 R807 2 7K VA802 ESD_HDMI1 DDC_SCL_2 VA811 ESD_HDMI2 R810 100 D1 _HDM...

Page 27: ...OR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SPDIF 2012 06 12 10 NC4_S7LRM 3 3V_Normal SPDIF_OUT JK1001 JST1223 001 SPDIF 1 GND 2 VCC 3 VINPUT 4 FIX_POLE C1002 68pF 50V SPDIF 68pF C1001 1uF 10V OPT C1002 1 47pF 50V SPDIF 47pF C1002 2 18pF 50V SPDIF 18pF SPDIF OPTIC JACK 5 15 Mstar Circuit Application SPDIF Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training a...

Page 28: ... VCOM_SDA VCOM_SCL RXB1 RXB0 RXA4 RXA1 Pol change RXB4 RXACK RXBCK RXA0 RXA2 LVDS NON EU RXA2 RXBCK RXB4 RXA3 RXA1 RXB2 RXB3 RXA3 RXBCK RXACK RXA2 RXA1 RXB1 RXB3 RXA3 RXA2 RXA0 RXA4 Shift RXBCK RXB2 RXA4 51Pin LVDS Connector For FHD 60Hz RXACK RXA3 RXACK RXB3 RXA3 RXA1 RXB0 RXA0 RXACK RXB3 RXA4 RXB3 RXA4 RXA2 RXA2 RXA1 RXB2 Pol change RXB4 RXB1 RXA4 RXACK RXB3 RXB0 RXB3 RXBCK RXB4 RXA0 RXA2 RXB0 R...

Page 29: ...5 0 1uF 16V IF_N_MSTAR R3735 33 1 8V_TU C3741 10uF 10V 85C C3715 22uF 6 3V C3727 0 1uF 16V R3761 0 3 3V_TU R3766 1 C3716 0 1uF 16V C3737 100pF 50V 1 8V_TU R3733 100K C3717 0 1uF 16V IF_P_MSTAR 3 3V_Normal R3760 0 C3708 0 1uF 16V C3740 0 1uF 16V TU_SDA IF_AGC_MAIN C3710 0 1uF 16V R3736 33 C3743 20pF 50V OPT 3 3V_TU C3707 100pF 50V 3 3V_TU C3713 18pF 50V C3723 22uF 6 3V R3704 100 L3703 UBW2012 121F ...

Page 30: ...F 50V OPT R1706 75 COMP2_L_IN 3 3V_Normal COMP2_Y AV_CVBS_IN R1720 12K AV_CVBS_DET C1705 1000pF 50V OPT DTV MNT_VOUT R1723 75 OPT 3 3V_Normal C1706 0 1uF OPT C1707 0 1uF OPT 4 7uF C1708 OPT IC1700 MM1756DURE OPT 3 BIAS 2 GND 4 OUT 1 IN 6 VCC 5 PS R1707 75 D1705 D1704 D1710 D1707 D1712 D1708 D1711 D1703 JK1701 PPJ245N2 01 5A GN YL O SPRING 6A GN YL E LUG 4A GN YL CONTACT 5B BL O SPRING 7C RD1 E LUG...

Page 31: ...SO 18 VR_DIG 19 PDN 20 LRCLK 21 SCLK 22 SDIN 23 SDA 24 SCL 25 RESET 26 STEST 27 DVDD 28 DVSS 29 GND 30 AGND 31 VREG 32 GVDD_OUT 33 BST_D 34 PVDD_CD_1 35 PVDD_CD_2 36 OUT_D 37 PGND_CD_1 38 PGND_CD_2 39 OUT_C 40 NC_3 41 NC_4 42 BST_C 43 BST_B 44 NC_5 45 NC_6 46 OUT_B 47 PGND_AB_1 48 PGND_AB_2 49 EP C5638 2200pF 50V OPT C5616 0 033uF 50V C5617 0 033uF 50V Q5600 MMBT3904 NXP E B C R5610 470 C5630 0 47...

Page 32: ...NTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC 2012 06 20 MSTAR DEBUG_4PIN 39 NC4_S7LRM RGB_DDC_SCL RGB_DDC_SDA JP_GND2 JP_GND3 JP_GND4 JP_GND1 P3900 12507WS 04L 1 2 3 4 5 MSTART DEBUG_4PIN Copyright ⓒ 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 33: ...R608 1K Digital Eye R600 100 SENSOR_SCL P600 12507WR 08L OPT 1 2 3 4 5 6 7 8 9 KEY1 R602 10K 1 C605 18pF 50V OPT R607 3 3K 3 5V_ST R601 100 R605 100 Digital Eye R604 100 Digital Eye C606 18pF 50V OPT KEY2 C602 0 1uF 16V IR SENSOR_SDA C603 1000pF 50V R603 10K 1 3 5V_ST R610 1 8K LED_R BUZZ 3 5V_ST P601 12507WR 10L 1 2 3 4 5 6 7 8 9 10 11 C604 100pF 50V C608 0 1uF 16V OPT C609 0 1uF 16V OPT L600 PZ1...

Page 34: ... PWM3 GPIO72 R21 PWM4 GPIO73 P20 PWM_PM GPIO197 F6 SAR0 GPIO34 H6 SAR1 GPIO35 G5 SAR2 GPIO36 G4 SAR3 GPIO37 J5 SAR4 GPIO38 J4 VSYNC_LIKE GPIO146 R23 SPI1_CK GPIO199 R24 SPI1_DI GPIO200 R25 SPI2_CK GPIO201 T21 SPI2_DI GPIO202 T22 NF_CE1Z GPIO141 AE18 NF_WPZ GPIO196 AC17 NF_CEZ GPIO140 AD18 NF_CLE GPIO139 AC18 NF_REZ GPIO142 AC19 NF_WEZ GPIO143 AD17 NF_ALE GPIO144 AE17 NF_RBZ GPIO145 AD19 GPIO_PM 0 ...

Page 35: ...X AVDDLV_USB K12 VDDC_1 G9 VDDC_2 H9 VDDC_3 K10 VDDC_4 K11 VDDC_5 L10 VDDC_6 M12 VDDC_7 M13 VDDC_8 N12 VDDC_9 P14 VDDC_10 P15 VDDC_11 R10 VDDC_12 R14 VDDC_13 R15 VDDC_14 T10 NC_2 P10 FB_CORE P19 AVDDL_MOD R16 NC_1 L11 DVDD_DDR M14 AVDD2P5_ADC_1 W9 AVDD2P5_ADC_2 W10 AVDD2P5_ADC_3 W11 AVDD2P5_ADC_4 W12 AVDD25_LAN Y17 AVDD_MOD_1 V18 AVDD_MOD_2 U19 NC_3 W14 NC_4 W15 AVDD_NODIE U7 AVDD_DVI_USB_1 L7 AVD...

Page 36: ...6 21 53 NC4_S7LRM R5302 100 R5301 100 D5301 ADUC 20S 02 010L 20V OPT IC5301 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 D5302 20V ADUC 20S 02 010L OPT C5302 0 1uF PM_RXD C5304 0 1uF JK5301 KJA PH 1 0177 3 M3_DETECT 4 M4 5 M5_GND 1 M1 6 M6 C5306 0 1uF C5305 0 1uF C5303 0 1uF 3 5V_ST PM_TXD R5309 0 OPT RS 232C Copy...

Page 37: ...3 B_DDR3_A 13 E21 B_DDR3_A 14 D23 B_DDR3_BA 0 G20 B_DDR3_BA 1 F24 B_DDR3_BA 2 F20 B_DDR3_MCLK G25 B_DDR3_MCLKZ G23 B_DDR3_MCLKE F25 B_DDR3_ODT D20 B_DDR3_RASZ B25 B_DDR3_CASZ B24 B_DDR3_WEZ A24 B_DDR3_RESET E20 B_DDR3_DQSL K24 B_DDR3_DQSLB K25 B_DDR3_DQSU J21 B_DDR3_DQSUB J20 B_DDR3_DQML H24 B_DDR3_DQMU L20 B_DDR3_DQL 0 L23 B_DDR3_DQL 1 J24 B_DDR3_DQL 2 L24 B_DDR3_DQL 3 J23 B_DDR3_DQL 4 M24 B_DDR3...

Page 38: ...01 0 1uF R5504 33 SPI_SCK R5503 4 7K OPT SPI_SDO SPI_SDI 3 5V_ST SPI_CS 3 5V_ST IC1300 MX25L6406EM2I 12G SFLASH_MX 3 WP 2 SO SIO1 4 GND 1 CS 5 SI SIO0 6 SCLK 7 HOLD 8 VCC IC1300 1 W25Q64FVSSIG SFLASH_WINBOND 3 WP IO2 2 DO IO1 4 GND 1 CS 5 DI IO0 6 CLK 7 HOLD IO3 8 VCC R5508 10K OPT R5507 10K OPT 3 5V_ST R5505 0 S_FLASH_NON_OS 2013 05 07 55_CI NC4_S7LRM Serial Flash for SPI boot_NON_OS Copyright ⓒ ...

Page 39: ......

Search results

Summary of Contents for 39LB5600

Reviews:

Related manuals for 39LB5600

Brands by name

Popular brands

LG 39LB5600, Service Manual

Search results

Summary of Contents for 39LB5600

Reviews:

Related manuals for 39LB5600

Brands by name

Popular brands