LG 32LD350 Service Manual Download Page 1

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LCD TV

SERVICE MANUAL

CAUTION

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

CHASSIS : LA04A

MODEL : 32LD350

32LD350-UA

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 : MFL62863204 (1003-REV00)

Summary of Contents for 32LD350

Page 1: ...READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LA04A MODEL 32LD350 32LD350 UA 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 MFL62863204 1003 REV00 ...

Page 2: ...nal Use Only Copyright LG Electronics Inc All right reserved Only for training and service purposes 2 CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 EXPLODED VIEW 16 SVC SHEET ...

Page 3: ...perate 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 metallic parts such as antenna terminals p...

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: ...t method 1 Performance LGE TV test method followed 2 Demanded other specification Safety UL CSA IEC specification EMC FCC ICES IEC specification Model Market Appliance 19LD350 UB North America Safety UL1492 CSA C22 2 No 1 22LD350 UB EMC FCC Class B IEC Class B 26LD350 UB 32LD350 UB 4 General Specification TV No Item Specification Remark 1 Receivable System 1 ATSC NTSC M 2 Available Channel VHF 02 ...

Page 7: ...l White Pattern Set 300 380 2 Luminance uniformity 3 Color coordinate RED X Typ 0 64 Typ Default Y 0 03 0 33 0 03 GREEN X 0 29 Y 0 60 BLUE X 0 15 Y 0 05 WHITE X 0 28 Y 0 29 4 Contrast ratio 1680 1 2100 1 10000 1 15000 1 6 Color Temperature Cool x 0 267 x 0 269 x 0 271 oK The W B Tolerance is y 0 271 y 0 273 y 0 275 0 015 for Adjustment Medium x 0 283 x 0 285 x 0 287 y 0 291 y 0 293 y 0 295 Warm x ...

Page 8: ...3 75 60 00 74 25 HDTV 8 1920 1080 33 72 59 94 74 176 HDTV 9 1920 1080 67 500 60 148 50 HDTV 10 1920 1080 67 432 59 94 148 352 HDTV 11 1920 1080 27 000 24 000 74 25 HDTV 12 1920 1080 26 97 23 976 74 176 HDTV 13 1920 1080 33 75 30 000 74 25 HDTV 14 1920 1080 33 716 29 97 74 176 HDTV 7 RGB Input PC No Resolution H freq kHz V freq kHz Pixel clock Proposed PC DDC 1 640 350 31 469 70 08 25 17 EGA X 2 72...

Page 9: ...6 59 87 79 50 CVT WXGA X 7 1360 768 47 720 59 799 84 75 CVT WXGA O DTV 1 720 480 31 5 60 27 027 SDTV 480P 2 720 480 31 47 59 94 27 00 SDTV 480P 3 1280 720 45 00 60 00 74 25 HDTV 720P 4 1280 720 44 96 59 94 74 176 HDTV 720P 5 1920 1080 33 75 60 00 74 25 HDTV 1080I 6 1920 1080 33 72 59 94 74 176 HDTV 1080I 7 1920 1080 67 500 60 148 50 HDTV 1080P 8 1920 1080 67 432 59 939 148 352 HDTV 1080P 9 1920 10...

Page 10: ...ems can be check using In Star Menu 1 ADJUST CHECK Component 1080p and RGB PC Adjust will be calculated by 480i adjust value 3 2 Final assembly adjustment White Balance adjustment RS 232C functionality check Factory Option setting per destination Ship out mode setting In Stop 3 3 Etc Ship out mode Service Option Default USB Download S W Update Option Service only ISP Download Optional 4 Automatic ...

Page 11: ...ent Success is displayed and Comp480i 1080p is completed If ADC calibration is failure ADC Component Fail is displayed 6 If ADC calibration is failure after rechecking ADC pattern or condition retry calibration 7 After completing ADC Component input mode will be changed to RGB automatically 8 If ADC calibration is successful ADC RGB Success is displayed If ADC calibration is failure ADC RGB Fail i...

Page 12: ...alyzer CA 210 NCG CH 9 WCG CH12 2 Adj Computer During auto adj RS 232C protocol is needed 3 Adjust Remocon 4 Video Signal Generator MSPG 925F 720p 216 Gray Model 217 Pattern 78 Only when internal pattern is not available Color Analyzer Matrix should be calibrated using CS 1000 3 Equipment connection MAP 4 Adj Command Protocol 1 RS 232C Command used during auto adj Ex wb 00 00 Begin white balance a...

Page 13: ...g area Surrounding lighting should be lower 10 lux Try to isolate adj area into dark surrounding 2 Probe location LCD Color Analyzer CA 210 probe should be within 10cm and perpendicular of the module surface 80 100 3 Aging time After Aging Start Keep the Power ON status during 5 Minutes In case of LCD Back light on should be checked using no signal or Full white pattern 6 Reference White Balance A...

Page 14: ...t 2 Perform GND Internal Pressure auto check Unit fully inserted Power cord Antenna cable and A V arrive to the auto check process Connect D terminal to AV JACK TESTER Auto CONTROLLER GWS103 4 ON Perform GND TEST If NG Buzzer will sound to inform the operator If OK changeover to I P check automatically Remove CORD A V form AV JACK BOX Perform I P test If NG Buzzer will sound to inform the operator...

Page 15: ... files from memory 4 Updating is staring 5 Updating Completed The TV will restart automatically 6 If your TV is turned on check your updated version and Tool option explain the Tool option next stage If downloading version is more high than your TV have TV can lost all channel data In this case you have to channel recover if all channel data is cleared you didn t have a DTV ATV test on production ...

Page 16: ...nd 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 manufacturer IMPOR...

Page 17: ... 0 7 EEPROM_SCL 001 H6 001 AB28 001 AO8 IC105 CAT24WC08W T 3 A2 2 A1 4 VSS 1 A0 5 SDA 6 SCL 7 WP 8 VCC R182 22 C197 0 1uF R106 4 7K R181 22 EEPROM_SDA 001 H5 001 AB28 001 AO8 3 3V_Normal DBG_RX DBG_TX R183 22 R184 22 COMP1_DET 004 Y4 5V_DET_HDMI_4 5V_DET_HDMI_2 R197 4 7K OPT R2106 4 7K OPT L105 OPT L104 5V_Normal R189 100 PWM2 001 AB23 PWM2 001 AL12 R284 0 OPT 3 5V_ST R283 10K FHD R287 0 HD R286 0...

Page 18: ... V3 VSYNC2 J5 CVBS1 SC1_CVBS U3 CVBS2 SC2_CVBS U2 CVBS3 SIDE_CVBS T1 VCOM1 T2 CVBS4 S VIDEO_Y M1 CVBS6 S VIDEO_C M2 CVBS5 N3 CVBS7 M3 CVBS0 RF_CVBS W1 VCOM0 Y3 CVBSOUT0 SC2_MNTOUT Y2 CVBSOUT1 AA2 LVA0P AE16 LVA0M AD16 LVA1P AD15 LVA1M AF16 LVA2P AF15 LVA2M AE15 LVA3P AD13 LVA3M AF14 LVA4P AF13 LVA4M AE13 LVACKP AE14 LVACKM AD14 LVB0P AE20 LVB0M AD20 LVB1P AD19 LVB1M AF20 LVB2P AF19 LVB2M AE19 LVB3...

Page 19: ...R406 4 7K R453 0 LGD_26 32 0 R472 AUO OPC_OUT P403 FW20020 24S NORMAL_26 32 19 12V 14 GND 9 3 5V 4 24V 18 INV_ON 13 GND 8 GND 3 24V 17 12V 12 3 5V 7 GND 2 24V 16 GND OLP 11 3 5V 6 GND 1 PWR_ON 20 A DIM 15 GND 10 3 5V 5 GND 21 12V 22 P DIM 23 GND 24 Err_OUT NC 0 R471 NON_AUO_26 32 0 R420 LGD Q401 2SC3052 E B C L404 MLB 201209 0120P N2 C407 0 1uF 16V 0 R437 AUO SHARP 24V 15V C419 1uF 25V OPT R418 6 ...

Page 20: ...CDS3C05HDMI1 OPT R2410 100 C2410 0 1uF 16V OPT R2401 100 LED_B LG_LOGO C2409 1000pF 50V OPT 3 5V_ST KEY1 L2403 BLM18PG121SN1D L2401 BLM18PG121SN1D 26 32 R2411 100 EYEQ C2403 0 1uF 16V R2416 10K Q2402 2SC3052 COMERTIAL E B C D2405 5 6V AMOTECH L2404 BLM18PG121SN1D IR_OUT D2402 5 6V AMOTECH 26 32 R2404 10K 1 R2405 10K 1 P2401 12507WR 12L 1 SCL 2 SDA 3 GND 4 KEY1 5 KEY2 6 ST_3 3V 7 GND 8 LED_B 9 IR 1...

Page 21: ... R7741 0 R7760 4 7K HDMI_CEC 5V_HDMI_2 D1 _HDMI4 R7743 0 5V_HDMI_4 R7744 10K CK _HDMI4 D0 _HDMI4 R7742 0 CK _HDMI4 R7714 0 R7707 22 R7757 10K R7750 22 IC7702 AT24C02BN 10SU 1 8 HDMI_4 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC C7702 0 1uF 16V DDC_SCL_4 R7703 1 8K EEPROM_WP R7732 3 3K OPT R7739 0 D2 _HDMI4 D7706 ENKMC2838 T112 A1 C A2 5V_Normal 5V_DET_HDMI_2 EEPROM_WP R7729 10K R7740 0 R7716 0 HDM...

Page 22: ..._IN 2 S16 R1113 0 IC1104 NL17SZ00DFT2G 3 GND 2 B 4 Y 1 A 5 VCC DSUB_DET D1112 30V R1148 0 R1150 0 R1146 10K R1127 0 OPT C1131 0 1uF 16V R1141 22 R1152 4 7K Q1103 MMBT3904 F E B C HP_ROUT 2 X19 3 5V_ST R1130 10K C1115 1000pF 50V OPT SIDE_HP_MUTE C1116 1000pF 50V OPT 3 3V_Normal HP_DET R1129 10K OPT R1155 1K HP_LOUT 2 X19 Q1101 MMBT3904 F E B C Q1102 MMBT3904 F E B C Q1104 MMBT3904 F E B C R1125 1K ...

Page 23: ...21SN1D C1234 0 1uF 16V R1302 220 R1282 100 R1299 220 3 5V_ST C1243 47pF 50V R1275 0 C1242 47pF 50V R1278 4 7K C1229 0 33uF C1239 220pF 50V DBG_TX R1279 4 7K DBG_RX R1276 0 C1235 220pF 50V R1284 100 OPT C1232 0 1uF C1233 0 1uF C1231 0 1uF C1230 0 1uF IC1201 MAX3232CDR 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 D1236 30V OPT ADUC30S0301...

Page 24: ..._AV_OPT R3307 10K SIDE_AV_OPT C3303 100pF 50V SIDE_AV_OPT L3303 BLM18PG121SN1D SIDE_AV_OPT D3301 30V SIDE_AV_OPT L3301 BLM18PG121SN1D SIDE_AV_OPT R3305 1K SIDE_AV_OPT R3302 10K SIDE_AV_OPT C3302 100pF 50V SIDE_AV_OPT D3303 5 6V SIDE_AV_OPT 3 3V_Normal R3304 470K SIDE_AV_OPT R3303 470K SIDE_AV_OPT R3309 12K SIDE_AV_OPT L3302 BLM18PG121SN1D SIDE_AV_OPT C3301 100pF SIDE_AV_OPT C3304 100pF OPT SIDEAV_...

Page 25: ...ED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC D1452 5 6V CDS3C05HDMI1 OPT JK1450 KJA UB 4 0004 1 2 3 4 5 L1451 MLB 201209 0120P N2 120 ohm SIDE_USB_DP SIDE_USB_DM D1451 5 6V CDS3C05HDMI1 OPT C1451 22uF 10V IC1450 AP2191SG 13 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC C1452 10uF 10V 5V_USB C1453 0 1uF R1455 4 7K OPT 3 3V_Normal R1456 0 USB_CTL R1454 10K R1451 47 USB_OC...

Page 26: ...F R7 56 C36 0 1uF R47 1K 1 R22 56 R8 33 R9 33 R32 33 R31 33 1 8V_S_DDR 1 8V_S_DDR 1 8V_S_DDR IC2 H5PS5162FFR S6C HYNIX J2 VREF J8 CK H2 VSSQ2 B7 UDQS N8 A4 P8 A8 L1 NC4 L2 BA0 R8 NC3 K7 RAS F8 VSSQ3 F3 LDM P3 A9 M3 A1 N3 A5 K8 CK R3 NC5 L3 BA1 J7 VSSDL L7 CAS F2 VSSQ4 B3 UDM M2 A10 AP K2 CKE R7 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...

Page 27: ...S BE USED FOR THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC SERIAL FLASH R104 33 3 3V_Normal 3 3V_Normal Flash_WP_1 001 AR30 R102 0 OPT SPI_CS 001 AR36 3 3V_Normal C126 0 1uF R103 10K SPI_DI 001 AR36 SPI_CK 001 AR35 R101 0 SPI_DO 001 AR36 R105 4 7K L110 Q100 KRC103S E B C IC101 MX25L3205DM2I 12G 3 WP 2 SO 4 GND 1 CS 5 SI 6 SCLK 7 HOLD 8 VCC SERIAL FLASH Serial FLASH MEMORY for BOOT L...

Page 28: ...1uF 16V R5032 82 5V_TU C5017 22uF 16V OPT FE_SIF Q5004 ISA1530AC1 E B C C5020 22uF 16V R5016 100 C5019 22uF 16V IF_P_MSTAR R5023 0 FE_TUNER_SCL 5V_TU 5V_Normal R5020 3 3K 1 26V R5033 1 C5028 0 1uF 16V C5029 10uF 10V R5034 0 R5035 0 C5004 82pF 50V INNOTEK L5000 INNOTEK VCOMO C5000 0 047uF 50V R5000 10K OPT R5004 0 1 16W 5 TU_CVBS_BUFER R5005 2 2K OPT C5005 0 1uF OPT R5006 47 OPT SIFMO R5007 5 6K 1 ...

Page 29: ...D_PVSB JP1007 3 3V_AVDD_PVSB C1073 1uF 10V AR1071 100 R1076 0 OPT TS_VALID R1074 47K C1070 0 01uF R1075 OPT R1066 OPT JP1005 1 2V_DVDD_PVSB IF_AGC JP1006 IF_N_MSTAR C1069 0 01uF R1068 5 1K OPT R1060 1K R1064 100 IF_P_MSTAR TS_CLK C1026 0 1uF 50V C1030 0 1uF 50V C1032 0 1uF 50V C1033 0 1uF 50V C1043 0 1uF 50V C1044 0 1uF 50V C1066 0 1uF R1061 100 R1062 100 L1005 500 L1007 500 L1008 500 R1067 OPT C1...

Page 30: ...Y D9805 5 6V C9801 10pF 50V OPT 3 3V_Normal R9815 10K R9818 10K AV_CVBS_IN D9804 30V R9819 12K 3 3V_Normal R9807 75 COMP1_PB AV_R_IN R9821 12K C9806 1000pF 50V D9803 30V AV_L_IN R9822 12K COMP1_DET R9812 75 COMP1_L_IN C9802 10pF 50V OPT C9804 1000pF 50V C9805 1000pF 50V R9801 1K R9820 12K R9811 470K COMP1_R_IN D9807 5 6V R9809 75 D9809 30V R9808 75 R9803 1K C9807 10pF 50V OPT JK9800 PPJ238 01 5D G...

Page 31: ...D 15 TXA1 16 TXA1 17 GND 18 TXA0 19 TXA0 20 GND 21 NC 22 LVDS_SEL 23 GND 24 GND 25 GND 26 GND 27 VCC 28 VCC 29 VCC 30 VCC 31 GND PANEL_VCC L802 CB3216PA501E HD_60Hz_Normal C808 22uF 25V HD_60Hz_Normal C804 1000pF HD_60Hz_Normal C806 0 1uF HD_60Hz_Normal 3 3V_Normal R823 10K AUO26 32 PANEL_VCC L801 CB3216PA501E HD_60Hz_SMALL C807 22uF 25V HD_60Hz_SMALL C803 1000pF HD_60Hz_SMALL C805 0 1uF HD_60Hz_S...

Page 32: ...00pF 50V MS_LRCH 001 W26 SPK_R 006 AJ18 R618 4 7K R610 0 0 1uF C635 50V R612 10K 1 8V_AMP AMP_VCC L610 120 ohm C618 22000pF 50V L604 MLB 201209 0120P N2 R621 3 3 C609 33pF 50V SPK_L 006 AH11 1 8V_AMP R623 3 3 C612 33pF 50V AMP_MUTE 001 D16 L605 MLB 201209 0120P N2 R625 3 3 R626 3 3 3 5V_ST 0 01uF C643 C644 0 01uF 50V C645 0 1uF 50V C601 0 1uF 16V C605 0 1uF 16V 0 1uF C613 16V 0 01uF C626 50V 0 1uF...

Page 33: ......

Page 34: ...Module Check IC403 5 7 Output Voltage IC403 1 26V IC405 3 3V IC407 1 8V Check Enable Signal VCC IN IC403 IC405 IC407 Re download software Check Micom Voltage IC400 pin 3 3 3V Replace IC400 12V Voltage is dependent on Model 26 32LD350 12V 19 22LD350 15V Check LVDS Power Voltage Q409 12V Replace Q409 Check Mstar LVDS Output Replace Mstar IC100 or Main Board Change Module ok ok ok ok ok ok ok ok ok o...

Page 35: ...70 AR1071 Replace IC5001 Check Tuner 5V Power L5004 Check 5V_USB Voltage IC401 Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok ok ok ok ok ok ok No No No No No No No Replace IC401 No Bad Tuner Replace Tuner Replace IC1004 Replace L5004 ok Check IC1004 LGDT VCC ok No Check VCCIN OUT IC1001 IC100 No Replace IC1001 IC100 Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for tra...

Page 36: ...Signal TU5001 11 Pin Replace IC5001 Check Tuner 5V Power L5004 Check IC401 Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok ok ok ok ok No No No No No Replace IC401 No Bad Tuner Replace Tuner Replace L5004 ok Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 37: ...0 models 5 Component Video Check input signal format Is it supported Check Component Cable for damage or open conductor Check JK9800 Y PB PR signal Line R121 120 122 Check COMP_DET Signal Replace R9800 R9801 ok ok ok No No Replace Jack Check Mstar LVDS Output Replace Mstar IC100 or Main Board No Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok No Copyright ⓒ 2010 LG Electronics Inc All...

Page 38: ...CL Check JK1104 H V_Sync R G B Signal Line R146 149 127 128 129 ok ok ok No No Replace the defective IC or re download EDID data Check DSUB_DET Replace R1146 or R1147 ok No Replace Jack Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok No Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 39: ...NVRAM IC105 Power I2C Signal Replace the defective IC ok No Replace Jack JK7702 is Side HDMI supported model 26 32LD350 models Check HDMI Signal Check other set If no problem check signal line ok No Check Mstar LVDS Output Replace Mstar IC100 or Main Board ok No Replace Main Board No Check HDMI_DET HPD No ok Replace R7703 R7705 R7731 R7732 Copyright ⓒ 2010 LG Electronics Inc All right reserved Onl...

Page 40: ... Off Toggle the Menu Check AMP IC IC600 Power 20V 3 3V 1 8V No Check Regulator IC601 20V Voltage is dependent on Model 26 32LD350 24V 19 22LD350 15V Check Mstar I2S Output R604 R605 R606 No Check signal line Or replace Mstar IC100 Check Mstar AUDIO_MASTER_CLK R603 No Replace Mstar IC100 or Main Board ok Check AMP I2C Line R607 R608 No Check signal line Or replace Mstar IC100 Copyright ⓒ 2010 LG El...

Page 41: ...tput AR1070 AR1071 Replace IC5001 Check Tuner 5V Power L5004 Check IC401 Follow procedure 8 All source audio trouble shooting guide ok ok ok ok ok ok ok No No No No No No Replace IC401 No Replace L5004 ok Bad Tuner Replace Tuner Replace IC1004 Check IC1004 LGDT VCC No Check VCCIN OUT IC1001 IC100 No Replace IC1001 IC100 ok Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training an...

Page 42: ...r signal TU5001 11 Pin R5032 Replace IC5001 Check Tuner 5V Power L5004 Check IC401 Follow procedure 8 All source audio trouble shooting guide ok ok ok ok ok No No No No Replace IC401 No Replace L5004 ok Replace Tuner Or Replace Q5004 Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 43: ...s Side AV supported model 26 32LD350 models 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 conductor Check JK1104 Signal Line ok No ok Replace Jack Follow procedure 8 All source audio trouble shooting guide Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for tra...

Page 44: ...ock Flash Block Reset Flash Block Reset MSD3368 I2C Block MSD3368 I2C Block MSD3368 GPIO Block MSD3368 GPIO Block POWER Block POWER Block Overall Block Diagram Overall Block Diagram Contents LVDS 출력 Block LVDS 출력 Block Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 45: ...h JTAG CLK TDI TDO MS RST AV1 Component 1 Y Pb Pr L R CVBS L R CS RE WE Audio L R Audio L R for RGB HDMI 4 side HDMI SPDIF DP DM 5V RX TX RX TX Reset IC MAX809RTR 12MHz JACK PACK JACK PACK SCL SDA_3 3V LVDS LCD Module HD 60Hz LGD or OS RF MSD3368GV RS 232C CTRL SVC Reset TDVJ H031F LGDT3305 HPl AMP TPA6110A2D Audio L R H P IF AGC TS_Sync TS_Clk TS_Data 0 7 Copyright ⓒ 2010 LG Electronics Inc All r...

Page 46: ...VBS_IN CEC_REMOTE CEC_REMOTE D2 _HDMI2 D1 _HDMI2 D0 _HDMI2 CK _HDMI2 D2 _HDMI3 D1 _HDMI3 D0 _HDMI3 CK _HDMI3 RXBCKP RXBCKN RXB0P RXC0N RXB1P RXB1N RXB2P RXB2N RXCCKP RXCCKN RXC0P RXC0N RXC1P RXC1N RXC2P RXC2N IF SIF TU_CVBS LGDT3305 IF AGC TS_Sync VLD TS_Clk TS_Data 0 7 RF TDVJ H031F TS0_D 0 7 TS0_CLK TS0_SYNC VLD Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service...

Page 47: ... I2S_LCRK I2S_MASTER_CLK Digital AMP NTP3100N SPDIF_OUT I2S_LCRH 3 3V 1K HP AMP TPA6110A2D HP L H P HP R HP_ROUT HP_LOUT SIF0P CVBS0 RF_CVBS IF SIF TU_CVBS LGDT3305 IF AGC TS_Sync VLD TS_Clk TS_Data 0 7 RF TDVJ H031F TS0_D 0 7 TS0_CLK TS0_SYNC VLD I2S_OUT_BCK I2S_OUT_WS I2S_OUT_SD Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 48: ...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 Reset IC MAX809RTR S5 S6_Reset HWRESET 3 3V 3 3V Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 49: ...3 3V_Nor 1 2k ohm 1 2k ohm 0 ohm 0 ohm FE_TUNER_SCL SDA OPT EEPROM_SCL SDA LGDT 3305 FE_DEMOD_SCL SDA DDCR_CK DDCR_DA 0 ohm 0 ohm 22 ohm 22 ohm SCL0 SDA0 5V_Gen 1 2k ohm 1 2k ohm SCL1 SDA1 AUDIO AMP NTP3100L SCL SDA_SUB AMP EEPROM CAT24WC08W IC105 22 ohm 22 ohm EEPROM AT24C02BN8 IC1105 22 ohm 2 ohm RGB_DDC_SCL SDA 5V_Gen 4 7k ohm 4 7k ohm DDCA_CK DDCA_DA Copyright ⓒ 2010 LG Electronics Inc All rig...

Page 50: ...BG_TX 5V_HDMI_4 GPIO 84 GPIO 98 AMP_MUTE P403 or P402 POWER WAFER PWM2 PWM_DIM A_DIM PWM0 NTP_MUTE SAR3 SB_MUTE D102 Stand by GPIO VSB IC LGDT3305 VSB_RESET ET_MDIO USB_DM2 USB_DM USB_DP2 USB_DP JK1204 USB JACK INT_CTL GPIO 136 Error_DET RL_ON GPIO 134 GPIO 97 KEY1 KEY2 SAR0 SAR1 IR IRIN Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use ...

Page 51: ... 90 GPIO132 LHSYNC SPI_WPn AF11 Flash_WP_1 50 IRIN C4 IR 91 GPIO130 LCK AB17 Power on off2 2 92 GPIO131 LDE SPI_WPn1 AC17 Power on off2 1 51 GPIO44 AC11 OPT 93 GPIO_PM6 INT2 GPIO140 H6 POWER_DET 52 GPIO96 D9 OPT 94 GPIO_PM5 INT1 GPIO139 G6 DBG_RX 53 GPIO88 D10 AMP_RST 95 GPIO_PM4 GPIO138 F6 POWER_ON OFF1 54 GPIO90 I2S_OUT_MUTE D7 HD 19 22LH 19LU FHD 96 GPIO_PM3 GPIO137 H5 PANEL_CTL 55 GPIO91 E11 M...

Page 52: ... 60Hz AUO 26 32 LVDS TXA0 LVDS TXA1 LVDS TXA2 LVDS TXAC LVDS TXA3 LVDS TXA0 LVDS TXA1 LVDS TXA2 LVDS TXAC LVDS TXA3 Panel_Vcc 5V Panel_Vcc 12V LVA0 P M LVA1 P M LVA2 P M LVA3 P M LVA4 P M Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 53: ...N DCDC 3A IC407 MP2212DN DCDC 3A IC409 NL17SZ08DFT2G OPT Power_DET 3 3V_AVDD_MPLL Q7703 FDV301N FET CEC_REMOTE IC1201 MAX3232CDR RS 232C 3 5V_ST L404 IC100 MSD3159GV Main_SOC S5 IC1 IC2 H5PS5162FFR S6C DDR2 IC1201 MAX3232CDR RS 232C Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 54: ...05 AOZ1073AIL DCDC 3A IC409 AOZ1073AIL DCDC 3A R477 L402 12V 12V 15V 5V_Normal IC408 NCP803SN293 Power_DET P403 2 4 3 IC408 NCP803SN293 R469 IC600 NTP 3100L 24V 24V Power_DET AMP_VCC 24V 15V L407 Q409 AO3407A FET PANEL_VCC P800 Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 55: ...erial Flash IC1104 NL17SZ00DFT2G SPDIF IC104 AT24C512BW EEPROM 3 3V_Nor mal 3 3V_Normal L407 IC102 HY27US08121B Flash IC600 NTP3100L AMP IC601 AZ1117H 1 8TRE1 LDO 1 8V_AMP IC600 NTP 3100L L5003 3 3V_TU IC5001 AZ1117H 1 2TRE1 LDO 1 26V TU6600 TDVJ H031F Tuner Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 56: ...HDMI For RGB PC IC1000 SC4215ISTRT LDO 1 2V_PVSB IC1004 LGDT3305 VSD DEMOD TU6600 TDVJ H031F Tuner 5V_TU L1005 3 3V_TU L5003 POWER Block 5V_Noraml _For 26 32 POWER Block 5V_Noraml _For 26 32 5V_USB 5V_USB IC401 MP8706EN DCDC 3A IC1450 AP2191SG 13 OPC P2301 USB JACK Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 57: ..._DET 3 3V_AVDD_MPLL Q7703 FDV301N FET CEC_REMOTE IC1201 MAX3232CDR RS 232C 3 5V_ST L404 IC100 MSD3159GV Main_SOC S5 IC1 IC2 H5PS5162FFR S6C DDR2 IC1201 MAX3232CDR RS 232C POWER Block 3 5V_ST _For 19 22 POWER Block 3 5V_ST _For 19 22 Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 58: ... IC401 MP8706EN DCDC 3A IC405 AOZ1073AIL DCDC 3A IC409 AOZ1073AIL DCDC 3A R476 12V 15V 5V_Normal IC408 NCP803SN293 Power_DET POWER Block 15V 12V 15V _For 19 22 POWER Block 15V 12V 15V _For 19 22 Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 59: ...erial Flash IC1104 NL17SZ00DFT2G SPDIF IC104 AT24C512BW EEPROM 3 3V_Nor mal 3 3V_Normal L407 IC102 HY27US08121B Flash IC600 NTP3100L AMP IC601 AZ1117H 1 8TRE1 LDO 1 8V_AMP IC600 NTP 3100L L5003 3 3V_TU IC5001 AZ1117H 1 2TRE1 LDO 1 26V TU6600 TDVJ H031F Tuner Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 60: ...ID EEPROM 3 3V_PVSB IC409 AOZ1073AIL DCDC 3A Q409 AO3407A FET PANEL_VCC P801 P802 For HDMI For RGB PC IC1000 SC4215ISTRT LDO 1 2V_PVSB IC1004 LGDT3305 VSD DEMOD L1005 3 3V_TU TU6600 TDVJ H031F Tuner 5V_TU L5003 5V_USB 5V_USB IC401 MP8706EN DCDC 3A IC1450 AP2191SG 13 OPC P2301 USB JACK Copyright ⓒ 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Onl...

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