LG 42SL9000 Service Manual Download Page 1

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LED LCD TV

SERVICE MANUAL

CAUTION

BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LD91

MODEL : 42SL9000

42SL9000-ZA

MODEL :

42SL9500

42SL9500-ZB

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 : MFL58858420 (0909-REV00)

Summary of Contents for 42SL9000

Page 1: ...ETY PRECAUTIONS IN THIS MANUAL CHASSIS LD91L MODEL 42SL9000 42SL9000 ZA MODEL 42SL9500 42SL9500 ZB 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 MFL58858420 0909 REV00 ...

Page 2: ...nly Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 9 BLOCK DIAGRAM 15 EXPLODED VIEW 23 SVC SHEET ...

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

Page 4: ... on 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...

Page 5: ...the 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 replac...

Page 6: ...formance of each parts are followed each drawing and specification by part number in accordance with BOM 5 The receiver must be operated for about 5 minutes prior to the adjustment 3 Test method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC No Item Specification Remark 1 Screen Device 42 wide color display module 2 Aspect Ratio 16 9...

Page 7: ...2 450 Variation 1 3 MAX MIN 3 Contrast Ratio CR 900 1300 4 CIE Color Coordinates White Wx 0 279 Wy 0 292 Typ RED Xr 0 640 0 03 Yr 0 331 Green Xg 0 282 Yg 0 634 Blue Xb 0 151 Yb 0 057 6 Component Video Input Y CB PB CR PR No Specification Remark Resolution H freq kHz V freq Hz 1 720x480 15 73 60 00 SDTV DVD 480i 2 720x480 15 63 59 94 SDTV DVD 480i 3 720x480 31 47 59 94 480p 4 720x480 31 50 60 00 48...

Page 8: ...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 28 125 50 00 74 25 HDTV 1080I 7 1920 1080 26 97 27 23 97 24 74 17 74 25 HDTV 1080P 8 1920 1080 33 716 33 75 29 976 30 00 74 25 HDTV 1080P 9 1920 1080 56 250 50 148 5 HDTV 1080P 10...

Page 9: ... click Auto 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 USB DOWNLOAD 1 Put the USB Stick to the USB socket...

Page 10: ...key 2 Internal ADC Only adjust in the RGB After enter Service Mode by pushing ADJ key Enter ADC Calibration mode by pushing G key at 5 ADC Calibration Caution Using power on button of the Adjustment R C power on TV ADC Calibration Protocol RS232 Adjust Sequence aa 00 00 Enter Adjust Mode xb 00 40 Component1 Input 480i ad 00 10 Adjust 480i Comp1 xb 00 60 RGB Input 1024 768 ad 00 10 Adjust 1024 768 ...

Page 11: ...ime from SET and then going to control the W B by revise color coordinates in the each time Cautions The Time Table of color coordinates by SET Aging Time 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 Dy...

Page 12: ...A HDMI 1 2 3 4 256Byte H R Time Cool Medium Warm Min X Y X Y X Y 269 273 285 293 313 329 1 5 281 297 290 307 318 343 2 6 20 280 288 289 301 317 338 3 21 30 278 285 287 297 316 334 4 31 276 283 285 293 313 329 Item CMD1 CMD2 Data0 Download A A 0 0 When transfer the Mode In Mode In Carry the command Download A E 00 10 Automatically Download The use of a internal Data For Analog EDID For HDMI EDID D ...

Page 13: ... number by use RS 232 Must check the serial number at the Diagnostics of SET UP menu Refer to below 5 1 Signal TABLE CMD A0h LENGTH 85 94h 1 16 bytes ADH EEPROM Sub Address high 00 1F ADL EEPROM Sub Address low 00 FF Data Write data CS CMD LENGTH ADH ADL Data_1 Data_n Delay 20ms 5 2 Command Set Description FOS Default write 7mode data write Vtotal V_Frequency Sync_Polarity Htotal Hstart Vstart 0 P...

Page 14: ...erial number is initialized Not always There is impossible to download by bar code scan so It need Manual download 1 Press the Instart key of ADJ remote control 2 Go to the menu 5 Model Number D L like below photo 3 Input the Factory model name ex 42LH4000 ZA or Serial number like photo 4 Check the model name Instart menu Factory name displayed ex 42SL8000 ZB 5 Check the Diagnostics DTV country on...

Page 15: ...5 TDDR_D 0 15 SDDR_A 0 12 TDDR_A 0 12 74LCX244 Buffer PCM_A 0 7 CI_ADDR 0 7 DDR2 SDRAM 512MB HYNIX Mstar F SCART SC1_CVBS_IN SC2 CVBS IN _ H SCART SC1_R G B FE_ VOUT DTV MNT_VOUT NAND Flash HYNIX 64MB PCM_A 0 7 EEP ROM AT24C512 I2C Saturn 6 MSD3368 COMPONENT AV3 AV_CVBS_IN COMP_Y Pb Pr __ Side AV Digital amp NTP3100L I2S L R RGB DSUB_ R G B DSUB_H VSYNC AUDIO IN PC USB MP6211DH USB Power USB Power...

Page 16: ...Z PF_OE PF CE0 PF CE1 SPI_DI SPI_D0 SPI_CK SPI_DI SPI_DO SPI_CK DI DO CK PF_CE1 PF_ALE PF_WE PF_ WP CLE ALE WE WP _ _ PF_ALE PF_WE PF_AD15E SPI_CS SPI_CS CS A_DDR2_A0 A_DDR2_A1 A_DDR2_A2 A_DDR2_A3 B_DDR2_A0 B_DDR2_A1 B_DDR2_A2 B_DDR2_A3 B_DDR2_A4 A_DDR2_A4 A_DDR2_A5 A_DDR2_A6 A_DDR2_A7 A_DDR2_A8 A_DDR2_A A_DDR2_A10 9 B_DDR2_A5 B_DDR2_A6 B_DDR2_A7 B_DDR2_A8 B_DDR2_A9 B_DDR2_A10 A_DDR2_A11 A_DDR2_A1...

Page 17: ...G BIN1P DSUB_R G B LVACKP LVACKM LVB0P RD1 RD1 RE1 RE1 RCLK RCLK _ DSUB_R G B COMP COMP_Pr SOGIN1 RIN2P COMP_PR GIN2P COMP_Y BIN2P COM PB LVB0M LVB1P LVB1M LVB2P LVB2M LVB3P RA2 RA2 RB2 RB2 RC2 RC2 EEP ROM D_SUB_SCL D_SUB_SDA Serial Flash IC902 COMP_Y COMP_Pb CVBS SC1_CVBS_IN _ SOGIN2 CVBS1 SC_CVBS CVBS2 SC_CVBS CVBS3 SIDE CVBS LVB3M LVB4P LVB4M LVBCKP LVBCKM RD2 RD2 RE2 RE2 CVBS SC2_CVBS_IN AV_CV...

Page 18: ...ESET SATURN_RESET_In AUOUTR1 SC1_ROUT AUOUTL1 SC1_LOUT AUOUTR2 SC2_ROUT AUOUTL3 SC2_LOUT SCART1_Rout SCART1_Lout SCART2_Rout Scart Out Crystal 12MHz XIn XOut SPDIF_OUT SCAR2_Lout SPDIF JK403 UART_TX2 RX2 MA X3232 DB G_TX RX UART P401 MC74HC4066ADR2G DR2G Audio Switch USB_CTL AUOUTR0 HP_ROUT Head Phone Out JK700 AUDIO_MASTER_CLK I2S OUT NTP 3100L IC701 USB CTL USB0_DP USB0_DM AUOUTL0 HP_LOUT MS_LRC...

Page 19: ...UNER IF AGC MSTRT MERR MD0 MCL K MVAL FE_TS_DATA_CLK FE_TS_VAL 1 A_1 2V IF AGC IF_ MD0 MD7 FE_TS_DATA 0 7 TUNER_SIF_IF_N IF_ TU RESET INN SIF Crystal 20 25MHz X1 X2 FE_TUNER_SDA 5V I2C_SCL1 I2C_SDA1 TUNE R_CVBS_I F_P 31 875MHz X1 X2 RSTN _ From Saturn6 MSD3368 INP VIF SDA SCL FE_TUNER_SCL 5V 3 3V_FE_DEMOD_SCL 3 3V_FE_DEMOD_SDA CVBS_SCART_OUT RESET _RESET FE_RESET From Saturn6 MSD3368 SATURN 6 MSD3...

Page 20: ...PCM_ IRQA CI CI slot CI_ADDR 0 7 _ Register CI_TS_SYN CI_TS_WAIT NAN D CI_ADDR 8 14 74LCX24 CI_ADDR 0 7 PCM _A 0 7 SATURN 6 Flash PCM_RST PCM_OE PCM_IORD PCM_CE 74LCX244 MTC Or Gate CI_DET CI_CD1 CI_CD2 OE 3 3V_CI MSD3368 IC100 PCM_RST PCM_REG PCM_IOWR 3 3V_CI BUF_TS_CLK 74LVC541A Buff er FE_TS_CLK FE_TS_VAL_ERR FE_TS_SYN FE_TS_SERIAL BUF_TS_VAL_ERR BUF_TS_SYN BUF_TS_SERIAL_D Register 6 CI ...

Page 21: ...SCL EEPROM_SDA 3 3V HDCP Key CA FE_DEMOD_SDA FE_DEMOD_SCL SDA0 SCL0 3 3V CAT24WC08W IC107 MEMC_SDA MEMC_SCL Demodulator D RX3913K XK IC1203 SDA1 SCL1 FRC MST7323S IC900 SDA_SUB AMP SDA_SUB AMP 3 3V SCL_SUB AMP Audio Amp NTP 3100L IC701 Soft touch PIC16F722 P1304 SCL_SUB AMP FE_TUNER_SCL FE_TUNER_SDA 5V_GENERAL Chip Tuner XC500 IC1200 7 I2C Map ...

Page 22: ...PCM 5V CTL 5V_CI_ON AZ1117H 1 2TRE1 1 2V A_1 2V _ _ BD9150MUV IC806 1 8V_VDDC 3 3V_AVDD 3 3V_CI 3 3V_Tuner 5V_Tuner IC1202 12V MP2305DS IC808 5V_GENERAL 5V_HDMI AP1117E33G 13 IC809 AP1117E18G 13 IC811 1 8V_Tuner A_3 3V 5V_TUNER 5V_USB_SIDE 806 MICOM S6 PANEL_CTL PANEL_POWER D_3 3V C_3 3V MP2305DS IC810 3 3V_MEMC BD9130EFJ E2 IC802 1 26V_MEMC SC4215ISTRT 1 8V_FRC_DDR 24V IC807 MICOM S6 24V 8 Power ...

Page 23: ...TIO Q MENU RETURN GUIDE INFO OK TV RAD OK A2 A22 A10 A9 EXPLODED VIEW Many 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 o...

Page 24: ... R152 10uF 6 3V C102 2 2K R1503 2 2K R1502 3 3V_TUNER 1 2K R1506 1 2K R1507 POWER_DET DBG_TX POWER_DET 100 R187 OPT 100 R1523 ISP_TXD 100 R1520 100 R182 OPT 100 R1611 3 3K R1607 3 3K R1604 OPT 3 3K R1605 OPT 3 3K R1603 3 3K R1606 3 3K R1608 OPT IC100 LGE3369A Saturn6 Non RM HWRESET D4 PCMD0 CI_D0 AC16 PCMD1 CI_D1 AA15 PCMD2 CI_D2 AA16 PCMD3 CI_D3 AC6 PCMD4 CI_D4 Y10 PCMD5 CI_D5 Y11 PCMD6 CI_D6 Y12...

Page 25: ...RXB0N C2 RXB1P D2 RXB1N D3 RXB2P E3 RXB2N D1 DDCD_B_DA E1 DDCD_B_CK F3 HOTPLUG_B E2 RXCCKP AE8 RXCCKN AD8 RXC0P AD9 RXC0N AF8 RXC1P AF9 RXC1N AE9 RXC2P AE10 RXC2N AD10 DDCD_C_DA AE7 DDCD_C_CK AF7 HOTPLUG_C AD7 CEC J3 HSYNC0 SC1_ID N2 VSYNC0 SC1_FB N1 RIN0P SC1_R P2 GIN0P SC1_G R3 BIN0P SC1_B R1 SOGIN0 SC1_CVBS P3 RINM P1 BINM T3 GINM R2 HSYNC1 DSUB_HSYNC K3 VSYNC1 DSUB_VSYNC K2 RIN1P DSUB_R L1 GIN...

Page 26: ...3 A_DDR2_A8 B12 A_DDR2_A9 C23 A_DDR2_A10 B22 A_DDR2_A11 A12 A_DDR2_A12 A24 A_DDR2_BA0 C24 A_DDR2_BA1 B24 A_DDR2_BA2 D24 A_DDR2_MCLK B14 A_DDR2_MCLK A14 A_DDR2_CKE D23 A_DDR2_ODT D14 A_DDR2_RAS D13 A_DDR2_CAS D12 A_DDR2_WE D22 A_DDR2_DQS0 B18 A_DDR2_DQS1 C17 A_DDR2_DQM0 C18 A_DDR2_DQM1 A19 A_DDR2_DQSB0 A18 A_DDR2_DQSB1 B17 A_DDR2_DQ0 B15 A_DDR2_DQ1 A21 A_DDR2_DQ2 A15 A_DDR2_DQ3 B21 A_DDR2_DQ4 C21 A...

Page 27: ... IC400 3 A2 2 A1 4 VSS 1 A0 5 SDA 6 SCL 7 W P 8 VCC 0 R437 1000pF 50V C415 ISP_RXD 470K R429 DSUB_VSYNC 002 E18 2 2K R406 ADMC5M03200L_AMODIODE 5 6V OPT D419 6 2K R457 0 1uF 16V C421 OPT C419 AMOTECH 5 6V D412 1K R448 AMOTECH 5 6V OPT D421 10K R420 DSUB_G 002 E19 5V_ST COMP_DET 001 AA22 1K R425 220pF 50V C427 0 R455 OPT C420 DSUB_R 002 E18 ENKMC2838 T112 D400 A1 C A2 10K R454 COMP_Pb 002 E20 SIDE_...

Page 28: ...A3 7 A5 8 A6 9 A7 10 GND 11 Y7 12 Y6 13 Y5 14 Y4 15 Y3 16 Y2 17 Y1 18 Y0 19 OE2 20 VCC 3 3V_CI FE_TS_DATA_CLK 005 AE5 010 Z10 FE_TS_VAL_ERR 005 AE5 010 AC4 FE_TS_SYNC 005 AE5 010 Z10 BUF_TS_CLK BUF_TS_VAL_ERR BUF_TS_SYN BUF_TS_DATA 0 FE_TS_SERIAL 010 Z10 0 1 u F 16V C510 0 1uF C508 0 1uF C503 0 1uF C512 47 R521 47 R519 10K R518 10K R520 10uF 10V C505 10K R522 10K R523 0 OPT R513 0 OPT R514 0 OPT R...

Page 29: ...06 T5 CK _HDMI1 22 R638 CAT24C02WI GT3 IC603 3 A2 2 A1 4 VSS 1 A0 5 SDA 6 SCL 7 WP 8 VCC 5V_ST 1K R613 D1 _HDMI_SW D2 _HDMI1 006 O9 4 7K R626 D1 _HDMI1 DDC_SCL_1 5V_HDMI_3 DDC_SDA_2 006 T5 006 AL10 D2 _HDMI1 006 O10 D0 _HDMI1 DDC_SDA_1 4 7K R629 D0 _HDMI1 006 O8 5V_HDMI_1 0 R641 0 1uF C613 2SC3052 Q601 E B C D0 _HDMI_SW D2 _HDMI_SW 0 R622 0 R609 0 1uF C607 D2 _HDMI2 006 R5 D0 _HDMI2 006 S5 2SC3052...

Page 30: ... 2 VDR1A 3 RESET 4 AD 5 DVSS_1 6 VSS_IO 7 CLK_I 8 VDD_IO 9 DGND_PLL 10 AGND_PLL 11 LFM 12 AVDD_PLL 13 DVDD_PLL 14 TEST0 15 DVSS_2 16 DVDD 17 SDATA 18 WCK 19 BCK 20 SDA 21 SCL 22 MONITOR_0 23 MONITOR_1 24 MONITOR_2 25 FAULT 26 VDR2B 27 BST2B 28 PGND2B_1 29 PGND2B_2 30 OUT2B_1 31 OUT2B_2 32 PVDD2B_1 33 PVDD2B_2 34 PVDD2A_1 35 PVDD2A_2 36 OUT2A_1 37 OUT2A_2 38 PGND2A_1 39 PGND2A_2 40 BST2A 41 VDR2A 4...

Page 31: ...6nF 50V C862 100K R803 22uF 16V C867 9 1K R813 0 1uF 16V C823 MP2305DS IC810 3 SW 2 IN 4 GND 1 BS 5 FB 6 COMP 7 EN 8 SS 0 47uF 25V C816 22UH L808 3 3V_MEMC 12V 0 1uF 16V C869 0 1uF 16V C819 10K R844 BD9130EFJ E2 IC802 3 ITH 2 VCC 4 GND 1 ADJ 5 PGND 6 SW 7 PVCC 8 EN 10K 1 R1 R834 2 2uH L809 17 4K 1 R2 R835 0 1uF 16V C831 330pF 50V C828 10uF 6 3V C817 22uF 16V C833 18K R829 1 26V_MEMC 10uF 6 3V C830...

Page 32: ...R1143 560 OPT R1177 75 R1139 75 R1109 75 1 R1106 75 1 R1104 75 1 R1102 75 1 R1101 75 R1137 OPT C1120 OPT C1101 OPT C1121 OPT C1100 75 R1136 75 R1107 390 R1131 390 R1113 120 R1161 120 R1138 10uF 16V C1134 10uF 16V C1133 10uF 16V C1135 10uF 16V C1136 BLM18PG121SN1D L1107 BLM18PG121SN1D L1108 BLM18PG121SN1D L1102 BLM18PG121SN1D L1103 1000pF 50V C1110 1000pF 50V C1114 1000pF 50V C1112 1000pF 50V C1111...

Page 33: ... IN2 5 GND_2 6 EXTCHOKE 7 GND_3 8 VDDA_2 9 VDDA_3 10 VDDC_1 11 GND_4 12 VDDC_2 13 VDDC_3 14 VDDA_4 15 VAGC 16 VIF 17 VDDA_5 18 SIF 19 GND_5 20 VDDC_4 21 VDDA_6 22 GND_6 23 VDDD_1 24 TESTMODE 25 DDI1 26 VDDC_5 27 DDI2 28 ADDRSEL 29 X2 30 GND_7 31 X1 32 EXTREF 33 VDDD_2 34 SCL 35 SDA 36 GND_8 37 RESET 38 VI2C 39 VDDC_6 40 VREF_N 41 VREF_P 42 VDDC_7 43 VDDC_8 44 REXT 45 VDDA_7 46 GND_9 47 VDDC_9 48 V...

Page 34: ...R 1 T7 MADR 10 L11 AVDD_DDR_7 R7 MADR 5 P7 MADR 9 T8 MADR 12 R8 MADR 7 P8 MADR 3 N8 MCLKE K10 GND_16 F7 VDDC_3 T9 MDATA 4 R9 MDATA 3 K7 GND_13 P9 MDATA 1 T10 MDATA 6 K11 AVDD_DDR_3 R10 MDATA 11 P10 MDATA 12 T11 MDATA 9 R11 MDATA 14 J 1 1 AVDD_DDR_1 P11 DQM 1 T12 DQM 0 R12 DQS 0 P12 DQSB 0 H11 VDDP_1 T13 DQS 1 R13 DQSB 1 P13 MDATA 15 T14 MDATA 8 R14 MDATA 10 P14 MDATA 13 T15 MDATA 7 R15 MDATA 0 P15...

Page 35: ...Q6 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 DQ9 C8 DQ8 F9 DQ7 F1 DQ6 H9 DQ5 H1 DQ4 H3 DQ3 H7 DQ2 G2 DQ1 G8 DQ0 H5PS5162FFR S6C IC1001 J2 VREF J8 CK H2 VSSQ2 B7 UDQS N8 A4 P8 A8 L1 NC...

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