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LG 42PM4700, Service Manual

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LG 42PM4700 Service Manual Download Page 56

Copyright © 2012 LG Electronics Inc. All rights reserved.
Only for training and service purposes

LGE Internal Use Only

Check video output

Y

Follow procedure All source audio 

trouble shooting

Maybe MTK5369(IC100) internal 

audio DSP has problems. Replace It

N

Follow procedure digital TV video 

trouble shooting

N

10. Digital TV Audio Trouble Shooting

Summary of Contents for 42PM4700

Page 1: ... eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL67461706 1202 REV00 PLASMA TV SERVICE MANUAL CHASSIS PD22B MODEL 42PM4700 42PM4700 ZA CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Page 2: ...opyright LG Electronics Inc All rights reserved Only for training and service purposes CONTENTS CONTENTS 2 SAFETY PRECAUTIONS 3 SPECIFICATION 4 ADJUSTMENT INSTRUCTION 6 BLOCK DIAGRAM 11 EXPLODED VIEW 12 SCHEMATIC CIRCUIT DIAGRAM ...

Page 3: ...hout 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 phone jacks...

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 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 4 Module General Specification 42 3D HD No Item Specification ...

Page 5: ...odyne Digital COFDM DVB T Guard Interval Bitrate_Mbit s 1 4 1 8 1 16 1 32 Modulation Code Rate QPSK 1 2 2 3 3 4 5 6 7 8 16 QAM 1 2 2 3 3 4 5 6 7 8 64 QAM 1 2 2 3 3 4 5 6 7 8 DVB C Symbolrate 4 0Msymbols s to 7 2Msymbols s Modulation 16QAM 64 QAM 128 QAM and 256 QAM DVB S symbolrate DVB S2 8PSK QPSK 2 45Msymbol s DVB S QPSK 2 45Msymbol s viterbi DVB S mode 1 2 2 3 3 4 5 6 7 8 DVB S2 mode 1 2 2 3 3 ...

Page 6: ...erator in this mode Single color pattern WHITE of HEAT RUN MODE uses to check panel Caution If you turn on a still screen more than 20 minutes Especially digital pattern cross hatch pattern an after image may be occur in the black level part of the screen 3 PCB Assembly adjustment Caution Using power on button of the control R C power on TV 3 1 MAC Address and ESN and Wide vine Key Download The CI...

Page 7: ...fter turning VR502 voltage of D M M adjustment as same as Va voltage which on label of panel right top deviation 0 5V 4 1 2 Vs adjustment 1 Connect terminal of D M M to Vs pin of P811 connect terminal to GND pin of P811 2 After turning VR901 voltage of D M M adjustment as same as Vs voltage which on label of panel right top deviation 0 5V 4 2 Adjustment of White Balance Required Equipment Remote c...

Page 8: ...3 Scan serial Number and press F5 button 4 Check OK on program 1 program 5 Press In start button on SVC R C check Serial Number and Model Name 4 4 Check Tool Option and write Country Group Area Code Option D L Refer to Table 3 4 insert tool option No Index CMD1 CMD2 Set ID Data 1 Start w b 0 00 2 Gain Start w b 0 10 3 Gain End w b 0 1F 4 Offset Start w b 0 20 5 Offset End w b 0 2F 6 End w b 0 FF 7...

Page 9: ...t Jack 3 Play Test F9 button and confirm OK Message 4 remove LAN CABLE 4 7 Magic Motion Remote Controller test 1 Equipment RF R C for test 2 You must confirm the battery power of RF R C before test Recommend that change the battery per every lot 3 Sequence test 1 if you select the start key Wheel Key on the controller you can pairing with the TV SET 2 You can check the cursor on the TV Screen when...

Page 10: ... put epk file to LG_DTV folder and Turn on TV 1 Put the USB Stick to the USB socket 2 Automatically detecting update file in USB Stick If your downloaded program version in USB Stick is Low it didn t work But your downloaded version is High USB data is automatically detecting 3 Show the message Copying files from memory 4 Updating is staring 5 Updating Completed The TV will restart automatically A...

Page 11: ... 11 LGE Internal Use Only Copyright LG Electronics Inc All rights reserved Only for training and service purposes BLOCK DIAGRAM ...

Page 12: ...ODED 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 other Hazards Do not modify the original design without permi...

Page 13: ..._88 L3 NC_89 L12 NC_90 L13 NC_91 L14 NC_92 M1 NC_93 M2 NC_94 M3 NC_95 M7 NC_96 M8 NC_97 M9 NC_98 M10 NC_99 M11 NC_100 M12 NC_101 M13 NC_102 M14 NC_103 N1 NC_104 N3 NC_105 N6 NC_106 N7 NC_107 N8 NC_108 N9 NC_109 N10 NC_110 N11 NC_111 N12 NC_112 N13 NC_113 N14 NC_114 P1 NC_115 P2 NC_117 P8 NC_118 P9 NC_120 P11 NC_121 P12 NC_122 P13 NC_123 P14 3D_SYNC_RF R170 0 MODEL_OPT_5 R171 0 OPT TP104 I2C_SCL6 I...

Page 14: ...AE31 HDMI_2_PWR5V AC31 HDMI_3_PWR5V AH31 HDMI_0_HPD AG32 HDMI_1_HPD AE32 HDMI_2_HPD AC32 HDMI_3_HPD AJ32 AVDD12_HDMI_0_RX AA24 AVDD12_HDMI_1_RX Y24 AVDD12_HDMI_2_RX W24 AVDD12_HDMI_3_RX AB24 AVDD33_HDMI_0_RX AB29 AVDD33_HDMI_1_RX AA29 AVDD33_HDMI_2_RX Y29 AVDD33_HDMI_3_RX AC29 AVSS33_HDMI_RX_1 AB30 AVSS33_HDMI_RX_2 AD30 AVSS33_HDMI_RX_3 AF31 AVSS33_HDMI_RX_4 AF32 USB_DP_P0 C36 USB_DM_P0 C37 USB_DP...

Page 15: ...IC100 LGE2112 DVSS_51 R2 DVSS_52 R3 DVSS_37 J4 DVSS_53 R4 DVSS_107 Y4 DVSS_20 F5 DVSS_38 J5 DVSS_54 R5 DVSS_108 Y5 DVSS_95 W5 DVSS_44 L7 DVSS_46 M7 DVSS_56 R7 DVSS_120 AA5 DVSS_130 AB5 DVSS_43 K7 DVSS_77 U7 DVSS_97 W7 DVSS_13 E9 DVSS_12 E8 DVSS_22 F9 DVSS_28 G14 DVSS_39 J6 DVSS_57 R15 DVSS_68 T15 DVSS_78 U15 DVSS_87 V15 DVSS_99 W15 DVSS_112 Y15 DVSS_122 AA15 DVSS_132 AB15 DVSS_34 H11 DVSS_58 R16 D...

Page 16: ...QL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VREFDQ H1 ZQ L8 VDD_1 B2 VDD_2 D9 VDD_3 G7 VDD_4 K2 VDD_5 K8 VDD_6 N1 VDD_7 N9 VDD_8 R1 VDD_9 R9 VDDQ_1 A1 VDDQ_2 A8 VDDQ_3 C1 VDDQ_4 C9 VDDQ_5 D2 VDDQ_6 E9 VDDQ_7 F1 VDDQ_8 H2 VDDQ_9 H9 NC_1 J1 NC_2 J9 NC_3 L1 NC_4 L9 NC_6 T7 VSS_1 A9 VSS_2 B3 VSS_3 E1 VSS_4 G8 VSS_5 J2 VSS_6 J8 VSS_7 M1 VSS_8 M9 VSS_...

Page 17: ...1 6A T_TERMINAL1 3 E_SPRING MICOM_RX SC_G COMP2_Pb R532 0 C504 10pF 50V R590 10K EU 3 3V_ST R542 470K MMBT3904 NXP Q501 EU R502 470K SC_CVBS_IN R516 470K COMP1_AV1_DET 3 3V_ST 3 3V_MULTI R550 0 SC_LOUT C523 0 1uF R538 1K EU 3 3V_MULTI MMBT3904 NXP Q500 EU R549 33 EU R521 470K COMP1 AV1_L_IN R572 18K EU R571 47K US DSUB_VSYNC SPDIF_OUT C525 0 1uF RGB_DDC_SDA C509 10pF 50V IC502 NLASB3157DFT2G EU 3 ...

Page 18: ...02 2 7K C602 0 1uF USB_OCD1 USB_CTL1 C600 10uF 10V OPT C601 10uF 10V OPT USB_DM2 D601 RCLAMP0502BA D0 _HDMI4 HPD4 D2 _HDMI4 R632 22 R626 1K D1 _HDMI4 JK603 EAG62611201 14 13 5 D1_GND 20 BODY_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 CK _HDMI4 DDC_SCL_4 D0 _HDMI4 CEC_REMOTE DDC_SDA_4 CK _HDMI4 R639 10K 5V_HDMI_4 R636 10K Q603 MMBT3904 NXP E B C R633 22 5V_HDM...

Page 19: ...5 PCM_REG CI_MDI_CLK AR709 47 CI_MDI 2 Q700 MMBT3904 NXP E B C Q701 AO3407A G D S CI_CD1 R721 33 AR700 33 CI_MDI 4 R704 10K CI_MDI 5 R723 10K 5V_CI_ON AR702 33 CI_MDI 1 CI_CD2 CI_MDI_CLK CI_OE PCM_A 0 7 CI_TS_VAL R724 10K CI_MDI 6 CI_WE CI_MDI 7 R707 33 CI_MDI 2 CI_MDI 3 REG CI_TS_D 7 CI_TS_D 2 R713 10K CI_TS_CLK P_ 5V CI_TS_D 3 R708 100 PCM_A 8 14 JK701 10067972 050LF EAG41860101 G1 G2 57 21 52 1...

Page 20: ... SPK_L C815 330pF 50V IC800 STA368BWG 26 GND_PLL 27 XTI 28 BICKI 29 LRCKI 30 SDI 31 RESET 32 INT_LINE 33 SDA 34 SCL 35 GND_DIG_2 36 VDD_DIG_2 17 OUT3B FFX3B 3 TEST_MODE 6 OUT2B 16 CONFIG 15 VDD 14 GND_REG 13 OUT1A 12 GND1 11 VCC1 10 OUT1B 9 OUT2A 8 VCC2 7 GND2 4 VSS 5 VCC_REG 2 SA 21 VDD_DIG_1 1 GND_SUB 20 TWARN OUT4A 19 EAPD OUT4B 18 OUT3A FFX3A 23 PWRDN 24 VDD_PLL 25 FILTER_PLL 22 GND_DIG_1 37 E...

Page 21: ..._REMOTE_ISP R947 4 7K R925 2 7K 3 3V_MULTI SUB_SCL C915 10pF 50V OPT SUB_SDA R944 22 C917 10pF 50V C908 10pF 50V OPT R951 22 3 3V_ST C912 220pF 50V R921 4 7K OPT M_REMOTE_TX C913 10pF 50V OPT R946 10K C914 10pF 50V IR 3D_SYNC_RF M_REMOTE_RST C911 220pF 50V C918 10uF 6 3V R935 22 R953 22 LED_R EDID_WP IC901 R5F100GEAFB 1 2 3 4 5 6 7 8 9 10 11 12 13 P50 INTP1 SI11 SDA11 14 P51 INTP2 SO11 15 P17 TI02...

Page 22: ...3 3V 6 SIF 7 B2 1 8V 8 CVBS 9 NC_1 10 NC_2 11 NC_3 12 B3 3 3V 13 B4 1 23V 14 NC_4 15 GND 16 ERROR 17 SYNC 18 VALID 19 MCLK 20 D0 21 D1 22 D2 23 D3 24 D4 25 D5 26 D6 27 D7 28 SHIELD TU1000 TDSQ G001D S 1 NC_1 2 RESET 3 SCL 4 SDA 5 B1 3 3V 6 SIF 7 B2 1 8V 8 CVBS 9 T C_IF_AGC 10 T C_DIF P 11 T C_DIF N 12 NC_2 13 NC_3 14 NC_4 15 GND_1 16 ERROR 17 SYNC 18 VALID 19 MCLK 20 D0 21 D1 22 D2 23 D3 24 D4 25 ...

Page 23: ...UT 3 INPUT 1 ADJ GND 1 25V_TU C1119 10uF 6 3V T2_S_BR R1114 1 3 3V_MULTI 3 3V_MULTI C1148 0 1uF 16V 3 3V_TU C1126 22uF 6 3V C1123 3300pF 50V C1121 22pF 50V IC1105 TPS54327DDAR 3 VREG5 2 VFB 4 SS 1 EN 5 GND 6 SW 7 VBST 8 VIN 9 EP GND P_ 17V C1122 1uF 10V R1117 10K C1125 22uF 6 3V R1106 18K 1 1 5V_DDR C1124 0 1uF 16V C1150 0 1uF 16V L1107 2 2uH NR5040T2R2N L1103 2 2uH NR5040T2R2N IC1103 AZ1117BH ADJ...

Page 24: ...DA4 C1204 0 1uF 50V S A_GND LNB_OUT A_GND R1203 33 S D1203 40V SMAB34 S LNB_TX DCDC_GND C1210 27pF OPT C1207 22000pF S R1202 33 S R1201 0S C1208 0 01uF 50V S 3 3V_MULTI I2C_SCL4 A_GND A_GND C1209 0 22uF S A_GND A_GND A_GND R1204 0 OPT DCDC_GND C1213 0 1uF 50V S A_GND L1200 33UH SP 7850_33 S D1202 40V SMAB34 S R1200 0S DCDC_GND C1205 0 1uF S R1205 4 7K S D1201 40V SMAB34 S C1211 27pF OPT 12V_LNB A_...

Page 25: ......

Page 26: ...Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only Training manual PD22A B Contents 1 System Design 2 Trouble Shooting Guide ...

Page 27: ...Inc All rights reserved Only for training and service purposes LGE Internal Use Only Main Board for GP4 PDP 1 1 2 3 4 5 2 3 4 5 Main processor Micom DDR3 Audio Amp EMMC Power 18pin LVDS 80P Speaker 4pin IR RF Emitter 16pin Wifi 4pin ...

Page 28: ...d service purposes LGE Internal Use Only 42PM470S ZA Model Image 50PM970S ZA Model Image Power Board Main Y Board Z Board ASIC X board Emitter 42PM470S ZA Model block diagram 50PM970S ZA Model block diagram Power Board Main Y Board Z Board ASIC X board Emitter Set layout Wifi ...

Page 29: ...tact key type assembly with screw in cabinet no jig needed bracket assembly work needed 3D Emitter Motion R C common bluetooth type WIFI EU CIS PM970 PM690 P M680 Asia PM970 PM690 PM680 PM670 built in WiFi dongle no dongle assessory other models function ready Pen PM690 Pen Touch Model built in pen dongle 2012 GP4 Set IR 3D Emitter WiFi Dongle Pen Dongle ...

Page 30: ...Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only IR RF Cables 2012 GP4 Sub Ass y Cables Pin Map IR RF 2012 GP4 Cable Arrangement ...

Page 31: ...DP Module Label Information Vy Vsc Vzb Model Name Bar Code Code 128 Contains the manugacture No Manugacture No Adjusting Voltage DC Va Vs Adjusting Voltage Set up Vy Vsc Ve Vzb The trade name of LG Electronics Manufactured date Year Month Warning UL Approval Mark UL Approval No Model Name Max Watt Max Volts Max Amps ...

Page 32: ...Copyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only MTK GPIO PIN MAP MTK Reference B D ...

Page 33: ...ble Shooting 11 Analog TV Audio Trouble Shooting 12 Component RGB AV Audio Trouble Shooting 13 HDMI Audio Trouble Shooting 14 USB Trouble Shooting 15 Digital TV Recording Fail Trouble Shooting 16 Analog TV Recording Fail Trouble Shooting 17 AV Video Recording Fail Trouble Shooting 18 Digital TV Video Trouble Shooting while recording Watch Record 19 Digital TV Audio Trouble Shooting while recording...

Page 34: ...P1100 All Voltage Level 17V 5V 5V_ST Check Power connector Y Check Voltage Level 3 3V at C1105 N Replace one of IC1100 Recheck Y Y Check Voltage Level 1 5V at C1121 N Replace one of IC1105 Recheck Y Y Check Voltage Level 1 2V at C1130 N Replace one of IC1102 Recheck Y Y Replace IC103 EMMC Memory Check All Voltage Level at Bead N Replace one of Bead Recheck Y N Replace one of IC400 403 Recheck Y Re...

Page 35: ... service purposes LGE Internal Use Only P1100 1 17V 2 17V 3 GND 4 GND 5 5V 6 SV 7 NC 8 PSU_ERR 9 NC 10 GND 11 GND 12 GND 13 5V_ST 14 NC 15 RL_ON 16 AC_DET 17 MOD_ON 18 GND L1101 5V L1100 17V L1102 5V _ST Power check 1 PSU voltage check Measure point Measure point Measure point ...

Page 36: ...opyright 2012 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only C110 5 Measure point Typ 3 3V C112 1 C113 0 Measure point Typ 1 5V Measure point Typ 1 2V ...

Page 37: ...R3x16_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS 2 No OSD Trouble Shooting CVBS COMP...

Page 38: ...r board N Y Check 5V Voltage Level at P1100 Check Power connector Y Check all multi voltage 12v 3 3v 1 2v N Check power up boot sequence Y Check LVDS Cable N Replace Cable Y Check PDP Module Check 5V Voltage Level at L1102 N Replace one of L1102 Recheck Y Check P1100 5V_ON Check GPIO Path of Micom N Y 2 No OSD Trouble Shooting ...

Page 39: ..._2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS 3 Digital TV Video Trouble Shooting CVBS...

Page 40: ...34 S2_F22_OUTPUT 33 3 3V 32 D7 27 D6 26 D5 25 D4 24 D3 23 D2 22 D1 21 Pin No Description 1 NC_1 2 RESET 3 SCL 4 SDA 5 3 3V 6 SIF 7 1 8V 8 CVBS 9 T C_IF_AGC 10 T C_DIF P 11 T C_DIF N 12 NC_2 13 NC_3 14 NC_4 15 GND_1 16 ERROR 17 SYNC 18 VALID 19 MCLK 20 D0 28 GND_2 29 GND_3 30 1 23V 31 S2_RESET 35 S2_SDA 36 LNB 37 GND_4 Checking order 1 Check Tuner power Pin 5 7 2 Check Tuner I2C level Pin 3 4 3 Che...

Page 41: ...6_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS 4 Analog TV Video Trouble Shooting CVBS...

Page 42: ...5369 IC100 has problems 4 Analog TV Video Trouble Shooting Checking order 1 Check Tuner power Pin 5 7 2 Check Tuner I2C level Pin 3 4 3 Check Video signal Pin 8 Q1002 Base S2_SCL 34 S2_F22_OUTPUT 33 3 3V 32 D7 27 D6 26 D5 25 D4 24 D3 23 D2 22 D1 21 Pin No Description 1 NC_1 2 RESET 3 SCL 4 SDA 5 3 3V 6 SIF 7 1 8V 8 CVBS 9 T C_IF_AGC 10 T C_DIF P 11 T C_DIF N 12 NC_2 13 NC_3 14 NC_4 15 GND_1 16 ERR...

Page 43: ...6_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS 5 Component Video Trouble Shooting CVBS...

Page 44: ...t Is it supported signal Y Check Component JK501 N Y Check Component Signal R507 R520 R523 R532 R534 R550 N Y Check Component Signal C224 C223 C219 N Replace it Y Y Check Component Cable Replace Jack Maybe MTK5369 IC100 has problems 5 Component Video Trouble Shooting Replace one of R507 R520 R523 Recheck R532 R534 R550 C257 C216 C212 ...

Page 45: ...cs Inc All rights reserved Only for training and service purposes LGE Internal Use Only Comp Y Comp Pb Comp Pr Comp1_ Y Comp1_P b Comp1_Pr Comp1_Y Comp1_P r Comp1_P r 1920 X 1080 i Dot Freq 74 25 MHz H Freq 33 75 kHz V Freq 60 Hz ...

Page 46: ...3x16_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS 6 RGB Video Trouble Shooting CVBS CO...

Page 47: ...E Internal Use Only Check Signal Format Is it supported signal Y Check RGB JK507 N Y Y Check RGB Cable Replace Jack Check RGB Signal R510 R511 R512 N Replace It Recheck Y Check Sync Signal R514 R515 N Y Maybe MTK5369 IC100 has problems 6 RGB Video Trouble Shooting Replace one of R514 R515 Recheck ...

Page 48: ...nc All rights reserved Only for training and service purposes LGE Internal Use Only 800 X 600 p Dot Freq 40 MHz H Freq 37 879 kHz V Freq 60 317 Hz RGB R RGB G RGB B R512 DSUB_B R511 DSUB_ G R510 DSUB_R R514 DSUB_HSYNC R515 DSUB_VSYNC ...

Page 49: ...3x16_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS 7 AV Video Trouble Shooting CVBS COM...

Page 50: ... N Y Check CVBS Signal R507 R550 N Y Check CVBS Signal C514 N Replace one of C514 Recheck Y Y Replace Jack Maybe MTK5369 IC100 has problems Check Signal Format Is it supported signal Check AV Cable Replace one of R507 R550 Recheck 7 AV Video Trouble Shooting AV1_CVBS AV2_CVBS 720 X 480 i Dot Freq 13 5 MHz H Freq 15 734 kHz V Freq 59 939 Hz ...

Page 51: ...x16_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB CVBS COMP LR RGB_LR CVBS COMP LR SCART SCART PC AUDIO DIF Parallel TS 8 HDMI Vide...

Page 52: ...ining and service purposes LGE Internal Use Only Check Signal Format Is it supported signal Y Check HDMI Jack JK600 JK601 JK602 JK603 N Y Y Check HDMI Cable Replace Jack Maybe MTK5369 IC100 has problems Y N Check EDID D L Re Download EDID 8 HDMI Video Trouble Shooting ...

Page 53: ..._2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS 9 All Source Audio Trouble Shooting CVBS...

Page 54: ...onnector P800 N Y Y Check Speaker Replace Connector Check Signal L801 L802 L803 L804 N Replace one of Capacitor Register Recheck Y Check IC800 Power 17V 3 3V N Replace It Recheck Y Check BCM2112 I2S Output AR800 N Replace It Recheck Y Maybe MTK5369 IC100 has problems Replace Speaker N N Maybe STA368 has problems Replace It 9 All Source Audio Trouble Shooting ...

Page 55: ..._2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 10 Digital TV ...

Page 56: ...g and service purposes LGE Internal Use Only Check video output Y Follow procedure All source audio trouble shooting Maybe MTK5369 IC100 internal audio DSP has problems Replace It N Follow procedure digital TV video trouble shooting N 10 Digital TV Audio Trouble Shooting ...

Page 57: ..._2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 11 Analog TV A...

Page 58: ...k video output Y Check SIF Signal TU1001 6 Pin N Y Check SIF Signal C241 N Replace one of Q1001 C1000 R1006 R1012 R1013 Recheck Y Follow procedure All source audio trouble shooting N Maybe MTK5369 IC100 audio block has problems Replace It N Y Check Tuner Power 3 3V 1 8V Replace one of L1108 L1109 Recheck Maybe Tuner TU1000 has problems 11 Analog TV Audio Trouble Shooting ...

Page 59: ...b X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 12 Component RGB ...

Page 60: ...k Signal C537 C538 C539 540 C541 C542 N Check equipment Replace Jack Check Video Output Replace one of C537 C538 C539 540 C541 C542 Recheck N Follow procedure external input video trouble shooting Y Follow procedure All source audio trouble shooting N Maybe MTK5369 IC100 audio block has problems Replace It 12 Component RGB AV Audio Trouble Shooting ...

Page 61: ...x16_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 13 HDMI Aud...

Page 62: ...e All source audio trouble shooting N Y Check EDID Pull Up Voltage Maybe MTK5369 IC100 audio block has problems Replace it N Follow procedure HDMI video trouble shooting N Replace one R604 R606 R618 R620 R619 R621 R 605 R607 Recheck N Check DDC Line Replace one R614 R615 R616 R617 R627 R629 R632 R633 R634 R635 Recheck Y 13 HDMI Audio Trouble Shooting ...

Page 63: ...DR3x16_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 14 USB T...

Page 64: ...d by inrushing current In this case remove the device and try to reboot the TV AC power off on Check USB 2 0 Cable Y Y Check USB device If device is 2 5 inch HDD Check power adaptor Check 5V voltage level at analog switch IC600 IC601 IC603 N Replace one of IC600 IC601 IC603 Recheck Y Maybe MTK5369 IC100 has problems Replace It 14 USB Trouble Shooting ...

Page 65: ...X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 15 Digital TV Recor...

Page 66: ...oses LGE Internal Use Only N Y Check USB block N Use USB Trouble shooting guide Y Check HDD N Replace HDD Y Check video audio output Follow procedure digital TV video audio trouble shooting Maybe MTK5369 IC100 USB block has problems Replace It 15 Digital TV Recording Fail Trouble Shooting ...

Page 67: ..._2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 16 OPTIC Audio...

Page 68: ...Inc All rights reserved Only for training and service purposes LGE Internal Use Only Check Signal JK505 3 Check SPDIF signal R506 Replace MTK5369 Y N 16 OPTIC Audio Out Trouble Shooting Y Maybe MTK5369 IC100 has problems Replace It ...

Page 69: ...STEM DDR3x16_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 17...

Page 70: ...nics Inc All rights reserved Only for training and service purposes LGE Internal Use Only 17 WIFI B I Check Wifi Cable Y Check 5V voltage level at L700 N Replace one of L700 Recheck Y Maybe MTK5369 IC100 has problems Replace It ...

Page 71: ... Dongle Arcadyan LGIT Wi Fi Built In Assy Wi Fi Platform 2012 GP4 MTK IC Maker BCM Maker P N BCM43236 Standard 802 11a b g n Interface USB 2 0 Frequency Dual 2 4 5 0 GHz Channel 20 40 MHz Chip Size 10 10 Antenna 2 x 2 Tx Rx Speed 2 stream spatial Multi 300Mbps ODM Company Arcadyan LGIT Supply Type Dongle Type Built In Wi Fi function ...

Page 72: ...TEM DDR3x16_2Gb X 4 8Gb LVDS HDMI1 HDMI2 HDMI3 HDMI4 COMP RGB H V With EEPROM Ethernet Parallel TS DIF CVBS UART HDMI With EEPROM RF Emitter Module Bluetooth I2C Sub Micom Renesas HD 51P FHD 80P USB2 USB1 NVRAM 1Mb X TAL 27MHz HDCP2 0 Wi Fi CVBS T2 C S2 F NIM Silicon Tuner T2 C S2 F NIM Silicon Tuner X TAL 32 768kHz eMMC 2GB RGB_LR SCART SCART PC AUDIO DIF Parallel TS CVBS COMP LR CVBS COMP LR 18 ...

Page 73: ... Inc All rights reserved Only for training and service purposes LGE Internal Use Only 18 3D Emitter Check 3D Emitter Cable Y Check 5V voltage level at L900 N Replace one of L900 Recheck Y Maybe MTK5369 IC100 has problems Replace It ...

Page 74: ...on Main IC 3D source Module ASIC L R L or R only 3D to 2D R L 3D B T Emitter Pin Map No CONNECTOR PIN MAP B T Emiter Direction SPEC 1 3 3V_Normal 3 3V Normal Power 2 GND 3 UART_RX_RF to DTV F W update 4 UART_TX_RF from DTV 5 RESET_RF from DTV 6 ISP from DTV F W update Not Use 7 3D_SYNC_RF from DTV 3D left right frame sync signal 60Hz 59 94Hz 50Hz 48Hz 47 95Hz 8 GND ...

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