LG 42PJ350 Service Manual Download | Manualshive

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LGE Internal Use Only

Copyright ©2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes

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Summary of Contents for 42PJ350

Page 1: ...S READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS PD01A MODEL 42PJ350 42PJ350 ZA 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 MFL62881211 1001 REV00 ...

Page 2: ...t 2010 LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 7 TROUBLESHOOTING GUIDE 12 BLOCK DIAGRAM 23 EXPLODED VIEW 24 SVC SHEET ...

Page 3: ...t s Neck 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 etc If the exposed met...

Page 4: ...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 adjustment V Test Method 1 Performance LGE TV test method followed 2 Demanded other specification Safety CE IEC specification EMC CE IEC V Module Specification 1 42 HD Display Screen Device Aspect Ra...

Page 5: ...M L L 5 DVB T 6 DVB C 3 Receiving system Analog Upper Heterodyne Digital COFDM QAM 4 Scart Jack 2EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT Analoge Scart 2 jack is Half scart and support MNT OUT 5 Video Input 1EA PAL SECAM NTSC Side AV except PJ20 PK20 6 Component Input 1EA Y Cb Cr Y Pb Pr rear 7 RGB Input RGB PC Analog D Sub 15Pin except PJ20 PK20 8 HDMI Input 4EA HDMI PC HDMI1 DV...

Page 6: ...icture Vivid Medium 4 Color White X 0 270 0 285 0 300 White 85IRE 216Gray 100 Window Coordinate Y 0 283 0 293 0 303 White Pattern Red X 0 635 0 640 R G B 100IRE 255Gray 100 Window Y 0 318 0 330 0 345 White Pattern Green X 0 242 0 300 0 305 Picture Vivid Medium Y 0 595 0 600 100 Window Blue X 0 150 0 158 Y 0 065 0 075 5 Color coordinate uniformity 0 01 Average 0 01 85IRE 100 Window White Pattern Pi...

Page 7: ...erns RED BLUE GREEN of HEAT RUN MODE are used to check a plasma panel Caution If you turn on a still screen more than 20 minutes Especially digital pattern cross hatch pattern an after image may be made in the black level part of the screen Caution Use power on button of a service R C to power on TV set Do not connect any external input cable if there is no any specifics 3 Update S W using Auto Do...

Page 8: ...2C 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 RGB aa 00 90 End Adjust mode 6 EDID Download Procedure 1 Push ADJ button on a service R C 2 Enter EDID auto download mode by selecting 8 EDID D L 3 If you select Start on a dialog box of the screen EDID download will be begun automatically 4 P...

Page 9: ...e deviation 0 5V Caution Each Power Supply Unit PCB assembly must be checked by check JIG set Because power PCB Ass y damages to PDP Module especially be careful Set up RF mode noise before a voltage adjustment Test equipment DMM 1EA 9 White Balance Adjustment Caution Press the POWER ON KEY on R C before W B adjustment O Test Equipment Color Analyzer CS 1000 CA 100 CH 10 CA 210 CH 10 O Please adju...

Page 10: ...D ID DATA Wb 00 00 White Balance Start Wb 00 FF White Balance End 9 5 Manual W B Adjustment 1 Execute the zero calibration of CA 100 CA 210 2 Press the ADJ button on a service R C and enter EZ ASJUST by selecting 6 White Balance 3 Then 216 gray pattern will appear on the screen 4 Change the R G B Gain as passing in 3 color coordinates and temperatures COOL MEDIUM and WARM Temperature COOL R Cut G ...

Page 11: ... below Caution Don t download HDMI RGB EEPROM to write a model name Model name dois unnecessary because this model use Tool Option to call a model name 10 2 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 10 3 Command Set Description FOS Default write 7mode data write Vto...

Page 12: ... 12 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes TROUBLESHOOTING GUIDE ...

Page 13: ... 13 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 14: ... 14 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 15: ... 15 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 16: ... 16 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 17: ... 17 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 18: ... 18 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 19: ... 19 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 20: ... 20 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 21: ... 21 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 22: ... 22 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes ...

Page 23: ... 23 LGE Internal Use Only Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 24: ...afety 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 Copyright 2010 LG Electronics Inc All rights reserved Only for training and service purposes 200 120 305 300 400 580 301 302 303 304 202 240 520 207 206 204 203 201 501 5...

Page 25: ...A J2 UART_RX2 W5 UART_TX2 V5 PWM0 AB13 PWM1 AB12 PWM2 AD12 PWM3 AA13 SAR0 A4 SAR1 B4 SAR2 F4 SAR3 E4 IRIN C4 GPIO44 AC11 GPIO96 D9 GPIO88 D10 GPIO90 I2S_OUT_MUTE D7 GPIO91 E11 GPIO97 E8 GPIO98 E10 GPIO99 D6 GPIO103 I2S_OUT_SD3 D5 GPIO102 C5 XIN B3 XOUT A3 TESTPIN GND E6 SPI_DI AE11 SPI_DO AF12 SPI_CS AE12 SPI_CK AD11 USB_DP_1 B5 USB_DM_1 A5 USB_DM_2 AC10 USB_DP_2 AB10 GPIO_PM0 GPIO134 E5 GPIO_PM1 ...

Page 26: ...CD_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 GIN1P DSUB_G L3 BIN1P DSUB_B K1 SOGIN1 L2 RIN2P CO...

Page 27: ...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 IC100 LGE3369A Saturn6 Non RM B_DDR2_A0 T26 B_DDR2_A1 AF26 B_DDR2_A2 T25 B_DDR2_A3 AF23 B_DDR2_A4 T24 B_DDR2_A5 AE23 B_DDR2_A6 R26 B_DDR2_A7 AD22 B_DDR2_A8 R25 B_DDR2_A9 AC22 B_DDR2_A10 AD23 B_DDR2_A11 R24 B_DDR2_A12 AE22 B_DDR2_BA0 AC23 B_DDR2_BA1 AC24 B_DDR2_BA2 AB22 B_DDR2_MCLK ...

Page 28: ...TA 2 CI_ADDR 4 3 3V_CI PCM_A 0 PCM_A 2 CI_ADDR 7 CI_MDI 1 CI_IORD CI_TS_SYN CI_ADDR 10 PCM_A 14 CI_ADDR 9 FE_TS_DATA 0 7 CI_TS_DATA 6 5V 5V_CI_ON CI_DATA 0 7 CI_DATA 0 7 AR503 33 AR500 33 AR504 33 AR506 33 AR507 33 AR508 33 AR509 33 AR510 33 AR511 33 AR512 33 AR513 33 3 3V_CI FE_TS_CLK FE_TS_VAL_ERR FE_TS_SYN BUF_TS_CLK BUF_TS_VAL_ERR BUF_TS_SYN BUF_TS_DATA 0 FE_TS_SERIAL R504 22K IC502 74LVC541A ...

Page 29: ...3 D2 _HDMI1 DDC_SCL_1 CEC_REMOTE D600 ENKMC2838 T112 A1 C A2 DDC_SDA_2 5V_HDMI1 D2 _HDMI2 5V_HDMI3 CK _HDMI1 3 3V_HDMI_ST BSS83 Q600 READY S B D G HDMI_CEC CEC_REMOTE D605 MMBD301LT1G 30V D604 READY R632 330K R646 18K R648 18K R629 18K R650 18K R626 18K R649 18K JK600 EAG59023302 REAR_H 14 13 5 D1_GND 20 20 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 R659 0 R636 0 R6...

Page 30: ...0pF C710 0 1uF R707 22K P_17V C711 10uF 16V SCL1 C712 1000pF 50V R708 22 P_17V C713 4700pF R709 3 3 C714 0 1uF 3 3V_AVDD_AMP C715 0 01uF R712 1K C717 0 1uF C718 0 1uF R713 200 1 C719 0 1uF 3 3V_DVDD C720 0 047uF R714 18K R715 470 SPK_L C722 4 7uF 10V C723 10uF 16V C725 0 01uF C726 0 1uF AVSS C727 0 01uF L702 120 ohm R717 0 C728 0 1uF C729 0 033uF 50V C730 2200pF C732 0 01uF SPK_R MS_SCK AVSS C733 ...

Page 31: ... C857 220uF 16V C858 220uF 16V C859 47uF 16V GND GND IC805 MP2212DN 3 IN 2 GND 4 BS 1 FB 5 VCC 6 SW_1 7 SW_2 8 EN SYNC C835 100uF 16V C842 100uF 16V C841 100uF 16V C897 220uF 16V R802 0 1 4W C836 1uF 10V L802 MLB 201209 0120P N2 IC802 AP2121N 3 3TRE1 1 GND 2 VOUT 3 VIN L821 MLB 201209 0120P N2 TP1451 C889 10uF 6 3V C822 10uF 6 3V READY C870 100pF 50V READY R861 75 1 R803 100 R801 100 R829 10K R834...

Page 32: ...7 11K R946 62K R947 11K C932 6800pF 50V C929 6800pF 50V C930 6800pF 50V C931 6800pF 50V TP1466 TP1467 L900 MLB 201209 0120P N2 C933 0 1uF 50V R969 3K JK901 PPJ234 01 5A GN O SPRING 6A GN E LUG 4A GN CONTACT 7B BL E LUG S 5B BL O SPRING 7C RD E LUG S 5C RD O SPRING_1 5D WH O SPRING 4E RD CONTACT 5E RD O SPRING_2 6E RD E LUG IC900 AP2181SG XX DEV 3 IN_2 2 IN_1 4 EN 1 GND 5 FLG 6 OUT_1 7 OUT_2 8 NC I...

Page 33: ...A RXE2 RXOCK RXE0 RXO4 RXOCK MOD_ROM_TX RXE4 RXO4 DISP_EN PC_SER_DATA RXO1 RXE1 RXO3 RXO2 RXE1 RXE3 RXE3 RXO2 RXE4 RXO0 RXE0 RXO0 RXO1 PC_SER_CLK RXE2 PDP_SCL RXECK MOD_ROM_RX P403 TF05 51S optio 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 C1029 10pF READY C1028 10pF READY C1027 10pF READY C1026 ...

Page 34: ..._P 42 VDDC_7 43 VDDC_8 44 REXT 45 VDDA_7 46 GND_9 47 VDDC_9 48 VDDA_8 C1129 0 1uF C1133 0 1uF 16V C1117 0 1uF R1130 1K R1101 390 R1122 390 R1118 390 L1108 0603CS R27XGLW 270nH 2 L1116 0603CS R39XGLW 390nH 2 L1114 1008CS 821XGLC 2 820nH D1102 RCLAMP1521P READY Q1101 ISA1530AC1 E B C Q1102 ISA1530AC1 E B C Q1103 ISA1530AC1 E B C Q1106 ISA1530AC1 E B C Q1108 ISA1530AC1 E B C Q1109 ISA1530AC1 E B C X1...

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