LG 60PH6700 Page 32 Service Manual Download | Manualshive

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Power check

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Power check

1. PSU voltage check

L1101: 5V_ST

Measure point

Measure point

P1100

1

1

2

1

Q1102 : 5V
C1157

L1111: 17V

1

17V

2

17V

3

GND

4

GND

5

5V_ST

6

5V_ST

7

5V

8

VS_DET

9

GND

10

GND

9

GND

10

GND

11

GND

12

VS_ON

13

5V_ST

14

17V_DET

15

RL_ON

16

AC_DET

17

M ON

18

GND

17

M_ON

18

GND

Copyright © 2013 LG Electronics Inc. All rights reserved.
Only for training and service purposes

LGE Internal Use Only

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Summary of Contents for 60PH6700

Page 1: ... eic lgservice com Asia Oceania http biz lgservice com Internal Use Only Printed in Korea P NO MFL67685002 1302 REV00 PLASMA TV SERVICE MANUAL CHASSIS PA32A MODEL 60PH6700 60PH6700 TD 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 60 3D FHD No Item Specification ...

Page 5: ... PAL Market 3 Receiving system Analog Upper Heterodyne Digital COFDM DVB T T2 Need Update 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 4 AV 1EA Comp Hybrid PAL 5 Component Input 1EA Y Cb Cr Y Pb Pr 6 HDMI Input 3EA HDMI PC HDMI DTV HDMI MHL HDMI1 ARC HDMI2 DVI Side HDMI3 MHL 7 Audio Input 1EA Com...

Page 6: ...WER ON KEY on R C for adjustment 2 OSD display and screen display PATTERN MODE Set is activated HEAT run without signal generator 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 adjust...

Page 7: ...el 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 controller for adjustment Color Analyzer CS 1000 CA 210 or same product CH 10 PDP ...

Page 8: ...e of the module 3 Aging time After aging start keep the Power on no suspension of power supply and heat run over 5 minutes Auto adjustment Map RS232C 4 3 Serial number download Model name D L 1 Press Power on button of a service R C Baud rate 115200 bps 2 Connect RS232 C Signal Cable and start Option Check Program Ver3 8 3 Scan serial Number and press F5 button 4 Check OK on program 1 program 5 Pr...

Page 9: ...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 select the Wheel Key on the controller 3 You must remove the pairing with the TV Set by select Mute Key on the controller 4 7 Wi Fi Test Except for PH47 Step 1 Turn on TV Step 2 Select Network Connection option in Network Menu Step 3 S...

Page 10: ...o Model Name Select the STATION Diagnostics To set 6 SW Download Guide Before put a epk to USB Stick make LG_DTV folder in USB Then 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 de...

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

Page 12: ...03 A13 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 other Hazards Do not modify the original design wi...

Page 13: ...T24C256C SSHL T Cu NVRAM_ATMEL 3 A2 2 A1 4 GND 1 A0 5 SDA 6 SCL 7 WP 8 VCC R133 1 2K R132 1 2K R150 1 2K R151 1 2K X100 27MHz 4 GND_2 1 X TAL_1 2 GND_1 3 X TAL_2 JP_GND_1 JP_GND_2 JP_GND_3 JP_GND_4 Q100 PMV48XP G D S IC105 LGE2122 A2_M13 JTCK AK10 JTDI AK11 JTDO AL9 JTMS AJ11 JTRST AJ12 OSDA0 AH11 OSCL0 AH10 OSDA1 AF11 OSCL1 AG11 XTALI AN29 XTALO AM29 AVDD33_XTAL_STB AN30 AVSS33_XTAL_STB AL29 AVDD...

Page 14: ...DDC_SCL DSUB_VSYNC R210 100 RGB C209 0 01uF RGB C207 0 01uF RGB DSUB_R C328 1uF 125C C350 10uF R590 22 NO_RGB R591 22 NO_RGB ROM_DL_UART_RX ROM_DL_UART_TX ROM_DL_UART_RX ROM_DL_UART_TX R561 4 7K NO_RGB R560 4 7K NO_RGB 3 3V_MULTI 5V_HDMI_3 5VBUS DDC_SCL_3 DDC_SDA_3 MODEL_OPT_1 IC105 LGE2122 A2_M13 HDMI_CEC V26 HDMI_0_SCL AC27 HDMI_1_SCL AB27 HDMI_2_SCL AA26 HDMI_3_SCL W27 HDMI_0_SDA AC26 HDMI_1_SD...

Page 15: ...CCK_68 AD17 VCCK_69 AD14 VCCK_70 AB12 VCCK_71 AA12 VCCK_72 AC12 VCC3IO_C T9 VCC3IO_B_1 Y10 VCC3IO_B_2 AA10 VCC3IO_A_1 D22 VCC3IO_A_2 E22 DVSS_1 AC18 DVSS_2 AB21 DVSS_3 AB14 DVSS_4 N13 DVSS_5 P13 DVSS_6 R13 DVSS_7 T13 DVSS_8 U13 DVSS_9 V13 DVSS_10 W13 DVSS_11 Y13 DVSS_12 P18 DVSS_13 N14 DVSS_14 P14 DVSS_15 R14 DVSS_16 T14 DVSS_17 U14 DVSS_18 V14 DVSS_19 W14 DVSS_20 Y14 DVSS_21 R18 DVSS_22 N15 DVSS_...

Page 16: ... PBC IC702 2 DDR_256MB_HYNIX A0 N3 A1 P7 A2 P3 A3 N2 A4 P8 A5 P2 A6 R8 A7 R2 A8 T8 A9 R3 A10 AP L7 A11 R7 A12 BC N7 A13 T3 NC_5 M7 BA0 M2 BA1 N8 BA2 M3 CK J7 CK K7 CKE K9 CS L2 ODT K1 RAS J3 CAS K3 WE L3 RESET T2 DQSL F3 DQSL G3 DQSU C7 DQSU B7 DML E7 DMU D3 DQL0 E3 DQL1 F7 DQL2 F2 DQL3 F8 DQL4 H3 DQL5 H8 DQL6 G2 DQL7 H7 DQU0 D7 DQU1 C3 DQU2 C8 DQU3 C2 DQU4 A7 DQU5 A2 DQU6 B8 DQU7 A3 VREFCA M8 VRE...

Page 17: ...I_MDI 4 CI_MDI 5 R1412 10K OPT 5V_CI_ON AR1406 33 CI_MDI 1 CI_CD2 CI_MDI_CLK CI_OE CI_ADDR 0 7 MT5369_TS_VAL CI_MDI 6 CI_WE CI_MDI 7 R1405 33 CI_MDI 2 CI_MDI 3 REG MT5369_TS_IN 7 MT5369_TS_IN 2 R1409 10K MT5369_TS_CLK P_ 5V MT5369_TS_IN 3 R1406 100 CI_ADDR 8 14 JK1401 10067972 050LF G1 G2 57 21 52 16 10 47 41 5 36 59 23 45 54 18 49 43 13 7 38 2 25 56 20 51 15 9 46 40 4 35 58 22 53 17 11 48 42 12 6...

Page 18: ...T C1124 0 1uF 16V C1123 3300pF 50V R1116 0 OPT R1128 3 6K S C1150 0 1uF 16V R1118 10K R1138 120K 1 S R1140 1 6K 1 S POWER_ON1 L1107 2 2uH NR5040T2R2N MOD_ON C1105 1uF 10V R1115 51K 1 12V_LNB L1106 22 0uH S EAP61606601 C1130 10uF 6 3V L1103 2 2uH NR5040T2R2N C1135 0 01uF 50V S C1118 1uF 10V R1146 27K 1 L1113 BLM18PG121SN1D S C1147 15pF 50V S R1102 33K 1 C1113 0 1uF 16V C1152 22uF 6 3V C1110 10uF 10...

Page 19: ...PT 3 3V_ST MODEL1_OPT_0 3 3V_ST RESET R3024 15K MOD_ON Debug X3000 32 768KHz 3 3V_ST KEY1 I2C_SDA3 C3002 0 1uF 16V Q3000 MMBT3904 NXP RGB E B C MODEL1_OPT_2 R3020 22 R3016 10K OPT R3007 10K OPT POWER_ON1 HDMI_CEC CEC_REMOTE 3 3V_ST R3034 120K SI1012CR T1 GE3 Q3010 HDMI_CEC_FET_VISHAY S D G R3033 27K D3010 BAT54_SUZHO 30V IR VS_ON 17V_DET R3036 33K OPT AMP_MUTE RUE003N02 Q3010 1 HDMI_CEC_FET_ROHM S...

Page 20: ... 0 1uF 16V C3309 0 1uF 16V 5V_MHL C3308 0 1uF 16V C3306 0 1uF 16V C3303 10uF 10V C3305 0 1uF 16V 3 3V_MHL IC3300 AZ1117H 1 2TRE1 ADJ GND OUT IN L3301 BLM18PG121SN1D R3304 1 1 2V_MHL L3302 BLM18PG121SN1D C3310 0 1uF 16V P_ 5V 3 3V_MULTI Q3301 MMBT3904 NXP E B C R3344 10K MHL_DET 5V_MHL HDMI_DET_1 R3345 10K DDC_SCL_MHL_JACK DDC_SCL_MHL DDC_SDA_MHL 5VBUS L3300 BLM18PG121SN1D 3 3V_MHL DDC_SDA_MHL DDC_...

Page 21: ...Y_RDN R3661 30K EU R3652 470K EU R3689 100K OPT P_ 17V R3601 470K PC_AUDIO C3622 0 1uF COMMERCIAL C3634 33pF EU R3644 0 EU R3656 33 EU R3673 10K ZD36022 5 5V LAN_ESD_DIODE R3648 1K EU 3 3V_ST Q3603 MMBT3906 NXP EU E B C R3677 180 EU Q3605 MMBT3904 NXP EU E B C R3682 10K EU R3665 100 1 4W EU R3681 18K EU R3671 220 EU Q3602 MMBT3904 NXP EU E B C R3678 470 EU SC_CVBS_OUT P_ 5V R3670 330 EU R3603 75 1...

Page 22: ...10pF 50V R4110 4 7K OPT R4106 22 JP4111 R4113 22 C4107 10pF 50V OPT JP4106 M_REMOTE_RST JP4101 JP4107 IR R4105 22 JP4102 JP4104 C4103 10pF 50V C4105 220pF 50V C4102 10pF 50V OPT JP4110 C4109 680pF 50V OPT R4114 22 3 3V_ST LED_R 3 3V_ST C4101 10pF 50V OPT JP4108 R4111 10K JP4112 R4101 2 7K BT_Module R4100 2 7K BT_Module JP4100 R4131 100 BT_Module RTS CTS JP4115 R4132 100 BT_Module R4144 100 BT_Modu...

Page 23: ...RGING 1 GND 2 VOUT 3 VIN C4308 0 1uF P4304 12507WR 06L BUILT_IN_WIFI 1 2 3 4 5 6 7 IC4305 BD82020FVJ EAN62648801 3 IN_2 2 IN_1 4 EN 1 GND 5 OC 6 OUT_1 7 OUT_2 8 OUT_3 IC4306 BD82020FVJ WIRE_PEN_USB EAN62648801 3 IN_2 2 IN_1 4 EN 1 GND 5 OC 6 OUT_1 7 OUT_2 8 OUT_3 IC4304 BD82020FVJ EAN62648801 3 IN_2 2 IN_1 4 EN 1 GND 5 OC 6 OUT_1 7 OUT_2 8 OUT_3 L4300 BLM18PG121SN1D PEN_CHARGING C4314 3300pF 50V P...

Page 24: ...F 50V C3814 0 22uF 50V C3804 33pF 50V OPT R3803 0 AUD_LRCK SPK_R C3802 2 2uF 10V L3802 10 0uH Coil_TAIYO SPK_L C3810 330pF 50V AUD_SCK C3806 0 1uF 16V AMP_RESET_N L3801 BLM18PG121SN1D C3807 0 1uF 50V L3812 10 0uH Coil_GET L3813 10 0uH Coil_GET L3814 10 0uH Coil_GET L3815 10 0uH Coil_GET R3802 0 R3810 39 R3812 39 R3813 39 R3811 39 AMP_MUTE R3804 0 C3826 0 1uF 16V IC3801 STA380BWF 1 VCC_REG 2 VSS_RE...

Page 25: ...SHING_US_KR_TUNER 5 B1 3 3V 11 DIF N 2 RESET 10 DIF P 4 SDA 1 NC 9 IF_AGC 8 ALIF_ P 3 SCL 7 B2 1 8 6 ALIF_ N 12 SHIELD A1 A1 B1 B1 TU6500 TDSS G501D DVB_T C 5 3 3V 11 DLIF N 2 RESET 10 DLIF_ P 4 SDA 1 NC 9 IF_AGC 8 ALIF_ P 3 SCL 7 1 8V 6 ALIF_ N 12 SHIELD A1 A1 B1 B1 TU6501 TDSQ G601D T2 1 NC_1 2 RESET 3 SCL 4 SDA 5 B1 3 3V 6 SIF 7 B2 1 8V 8 CVBS 9 NC_2 10 NC_3 11 NC_4 12 NC_5 13 NC_6 14 NC_7 15 G...

Page 26: ...0_15 LNB C6907 10uF 25V LNB D6900 LNB A_GND C6911 0 22uF LNB D6903 40V LNB_SMAB34 C6903 0 01uF 50V LNB D6904 1 40V LNB_SX34 C6908 0 1uF LNB C6902 0 22uF 25V LNB A_GND 12V_LNB R6907 4 7K LNB 3 3V_MULTI R6908 33 LNB IC6900 A8303SESTR T S 1 VCP 3 NC_1 7 SCL 9 ADD 10 TONECTRL 11 TCAP 12 ISET 13 VREG 14 GND 15 VIN 16 LX 17 GNDLX 18 NC_2 19 NC_3 20 BOOST 5 TDO 8 SDA 6 IRQ 4 TDI 2 LNB 21 EP GND 69 LNB 20...

Page 27: ...VSS_2 G5 VSS_3 H10 VSS_4 K8 VSSQ_1 C4 VSSQ_2 N2 VSSQ_3 N5 VSSQ_4 P4 VSSQ_5 P6 NC_1 A1 NC_2 A2 NC_5 A8 NC_6 A9 NC_7 A10 NC_8 A11 NC_9 A12 NC_10 A13 NC_11 A14 NC_12 B1 NC_13 B7 NC_14 B8 NC_15 B9 NC_16 B10 NC_17 B11 NC_18 B12 NC_19 B13 NC_20 B14 NC_21 C1 NC_22 C3 NC_24 C7 NC_25 C8 NC_26 C9 NC_27 C10 NC_28 C11 NC_29 C12 NC_30 C13 NC_31 C14 NC_32 D1 NC_33 D2 NC_34 D3 NC_35 D4 NC_36 D12 NC_37 D13 NC_38 ...

Page 28: ......

Page 29: ...5 NetCast4 0 Service Guide 표지 Contents 1 Service Guide Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 30: ... 7 HDMI Video Trouble Shooting 7 HDMI Video Trouble Shooting 8 All Source Audio Trouble Shooting 9 Digital TV Audio Trouble Shooting 10 Analog TV Audio Trouble Shooting 11 Component RGB AV Audio Trouble Shooting 11 Component RGB AV Audio Trouble Shooting 12 HDMI Audio Trouble Shooting 13 USB Trouble Shooting 14 DVR Recording Fail Trouble Shooting 16 OPTIC Audio Out Trouble Shooting 16 OPTIC Audio ...

Page 31: ...k Y at Bead Recheck Y Check Micom Redownload or replace Y Check Voltage Level 1 5V at C1125 C1126 N Replace one of IC1105 Recheck Y Y Check Voltage Level 1 2V at C1128 C1130 N Replace one of IC1102 Recheck Y Y Replace IC8100 EMMC Memory N Replace one of IC701 703 Y Replace IC105 Recheck Replace IC8100 EMMC Memory Recheck Replace IC105 Recheck Copyright 2013 LG Electronics Inc All rights reserved O...

Page 32: ...102 5V C1157 L1111 17V 1 17V 2 17V 3 GND 4 GND 5 5V_ST 6 5V_ST 7 5V 8 VS_DET 9 GND 10 GND 9 GND 10 GND 11 GND 12 VS_ON 13 5V_ST 14 17V_DET 15 RL_ON 16 AC_DET 17 M ON 18 GND 17 M_ON 18 GND Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 33: ... DC Check DC DC Check Measure point Typ 1 5V Typ 1 2V Typ 3 3V IC1102 IC1101 IC1105 IC1101 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 34: ...K A2 USB1 USB2 USB3 USB1 NVRAM 256KB USB0 CVBS SBTVD Only CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All r...

Page 35: ...el at P1100 Check Power connector Y Check 5V Voltage Level at L1101 N Replace one of L1101 Recheck Check all multi voltage 17v 3 3v 1 2v 5V N Check power up boot sequence Y Y Check LVDS Cable N Replace Cable Y Check PDP Module Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 36: ...56KB USB0 CVBS CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for training and servic...

Page 37: ...Maybe LGE2122 IC105 has problems Y 10 IF_P 11 IF_N 12 NC 13 NC 14 NC Pin 1 Pin 27 Pin 15 15 GND 16 NC 17 NC 18 NC 19 NC Pin 12 Pin 13 20 NC 21 NC 22 NC 23 NC 24 NC Checking order 1 Check Tuner power Pin 5 7 25 NC 26 NC 27 NC 57 LNA_CTRL_1 58 LNA_CTRL_2 1 Check Tuner power Pin 5 7 2 Check Tuner I2C level Pin 3 4 3 Check IF_AGC level Pin 9 4 Check IF Signal Pin 10 11 Copyright 2013 LG Electronics In...

Page 38: ...6KB USB0 CVBS CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for training and service...

Page 39: ...ce one of Q6501 Base Recheck Y 8 CVBS 9 IF_AGC 10 IF_P 11 IF_N 12 NC 13 NC Maybe LGE2122 IC105 has problems Pin 1 Pin 12 Pin 13 Pin 27 Pin 15 13 NC 14 NC 15 GND 16 NC 17 NC 18 NC Checking order 1 Check Tuner power Pin 5 7 Pin 13 18 NC 19 NC 20 NC 21 NC 22 NC 23 NC 1 Check Tuner power Pin 5 7 2 Check Tuner I2C level Pin 3 4 3 Check Video signal Pin 8 23 NC 24 NC 25 NC 26 NC 27 NC 57 LNA_CTRL_1 Copy...

Page 40: ...USB1 NVRAM 256KB USB0 CVBS CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for trainin...

Page 41: ... Replace Jack Y Check Component Signal and resistance R3609 R3612 R1618 N Y Replace one of R3609 R3612 R1618 Recheck Y Check Component Signal C372 C373 C374 N Replace it Y M b LGE2122 IC105 Maybe LGE2122 IC105 has problems Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 42: ...3612 Comp Pr R1618 Comp Pr Comp Pr Comp Y CVBS Comp Pb Comp Pr Comp Y CVBS C374 Comp Pb C372 Comp Pr C373 Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only 1920 X 1080 i Dot Freq 74 25 MHz H Freq 33 75 kHz V Freq 60 Hz ...

Page 43: ... NVRAM 256KB USB0 CVBS CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for training an...

Page 44: ... signal Y Check HDMI Cable Y N Check EDID D L Re Download EDID Check HDMI Jack JK3301 JK3302 JK3303 N Y Replace Jack Y Maybe LGE2122 IC105 has problems Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 45: ... SIF Parallel TS SIF ATV Parallel TS DTV SBTVD DVB TU option USB3 LVDS HDMI1 HDMI2 HDMI RX HD 51P FHD 80P USB3 Wi Fi USB0 Audio AMP I2S Out HDMI3 RGB H V With EEPROM FHD 80P PC RGB MHL Bridge SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP With EEPROM I2C Sub Micom Renesas X TAL 32 768kHz SPDIF OUT RS 232C OPTIC UART RF Emitter Module CVBS COMP _LR COMP _LR Copyright 2013 LG Electronics Inc All r...

Page 46: ...l Î ok Check IC3801 Power OK 17V C3821 3 3V C3805 Follow Power UP_Boot Fail trouble shooting guide N Capacitor Recheck signal Î ok Resistor R3810 R3811 R3812 R3813 Capacitor C3810 C3811 C3814 C3815 C3817 C3825 N Y N Y C3817 C3825 Replace It Recheck Y Y Y Check Main IC I2C I2S signal out put with user menu volume up down test N Maybe MTK IC LGE2122 IC105 has problems Replace it Maybe Audio Digital ...

Page 47: ...able Parallel TS Parallel TS SBTVD DVB TU option USB3 LVDS HDMI1 HDMI2 HDMI RX HD 51P FHD 80P USB3 Wi Fi USB0 Audio AMP I2S Out HDMI3 RGB H V With EEPROM FHD 80P PC RGB MHL Bridge SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP With EEPROM I2C Sub Micom Renesas X TAL 32 768kHz SPDIF OUT RS 232C OPTIC UART RF Emitter Module CVBS COMP _LR COMP _LR Copyright 2013 LG Electronics Inc All rights reserv...

Page 48: ... audio t bl h ti Maybe LGE2122 MTK IC internal di DSP h bl R l It N Follow procedure digital TV video trouble shooting N trouble shooting audio DSP has problems Replace It Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 49: ...ulator Cable SIF SIF SBTVD DVB TU option USB3 LVDS HDMI1 HDMI2 HDMI RX HD 51P FHD 80P USB3 Wi Fi USB0 Audio AMP I2S Out HDMI3 RGB H V With EEPROM FHD 80P PC RGB MHL Bridge SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP With EEPROM I2C Sub Micom Renesas X TAL 32 768kHz SPDIF OUT RS 232C OPTIC UART RF Emitter Module CVBS COMP _LR COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only ...

Page 50: ...lace one of Q6500 R6516 R6518 R6515 C6522 Recheck the signal Y Maybe Tuner TU6504 has problems Replace it Check DIF Signal At Tuner TU6504 10 11 Pin Y N Maybe LGE2122 MTK Main IC IC105 audio block has problems Replace It Y N Maybe LGE2122 MTK Main IC IC105 audio block has problems Replace It Replace one of R345 R331 R380 R334 R336 C312 C336m C337 C310 Recheck the signal Replace it Y Copyright 2013...

Page 51: ...modulator Cable SIF SIF SBTVD DVB TU option USB3 LVDS HDMI1 HDMI2 HDMI RX HD 51P FHD 80P USB3 Wi Fi USB0 Audio AMP I2S Out HDMI3 RGB H V With EEPROM FHD 80P PC RGB MHL Bridge SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP With EEPROM I2C Sub Micom Renesas X TAL 32 768kHz SPDIF OUT RS 232C OPTIC UART RF Emitter Module CVBS COMP _LR COMP _LR Copyright 2013 LG Electronics Inc All rights reserved On...

Page 52: ...place one of R3607 R3613 R3620 R3621 R3601 R3602 R3604 R3605 g R3620 R3621 R3604 R3605 C3605 C3606 C3607 C3608 C3601 C3600 C3603 C3604 Recheck Y M b LGE2122 MTK M i IC Follow procedure All source audio trouble shooting N Maybe LGE2122 MTK Main IC IC105 audio block has problems Replace It Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use O...

Page 53: ...tor Cable SIF SIF SBTVD DVB TU option USB3 LVDS HDMI1 HDMI2 HDMI RX HD 51P FHD 80P USB3 Wi Fi USB0 Audio AMP I2S Out HDMI3 RGB H V With EEPROM FHD 80P PC RGB MHL Bridge SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP With EEPROM I2C Sub Micom Renesas X TAL 32 768kHz SPDIF OUT RS 232C OPTIC UART RF Emitter Module CVBS COMP _LR COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for...

Page 54: ...ck EDID Pull Up Voltage N Replace one R3330 R3374 R3315 R3316 R3311 R3314 Check DDC Line R3313 R3320 R3321 Recheck Y Follow procedure All source audio trouble shooting N Y p g Maybe LGE2122 MTK Main IC IC105 audio block has problems Replace it Recheck Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 55: ...RAM 256KB USB0 CVBS CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for training and s...

Page 56: ...IC4305 IC4306 N Replace one of switch IC4304 IC4305 IC4306 Recheck Y Maybe Main Chip IC105 has problems Replace It Exception USB power could be disabled by inrushing current In this case remove the device and try to reboot the TV AC power off on Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 57: ...6KB USB0 CVBS CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for training and service...

Page 58: ...dio FE output Follow procedure video audio trouble shooting Check USB block N Use USB Trouble shooting guide p Y Y Maybe Mainchip USB block has problems Replace It Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 59: ...ulator Cable SIF SIF SBTVD DVB TU option USB3 LVDS HDMI1 HDMI2 HDMI RX HD 51P FHD 80P USB3 Wi Fi USB0 Audio AMP I2S Out HDMI3 RGB H V With EEPROM FHD 80P PC RGB MHL Bridge SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP With EEPROM I2C Sub Micom Renesas X TAL 32 768kHz SPDIF OUT RS 232C OPTIC UART RF Emitter Module CVBS COMP _LR COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only ...

Page 60: ...lace LGE2122 MTK Main IC IC105 Y N R l JK3606 N Check Signal JK3606 3 pin Y Maybe LGE2122 MTK Main IC IC105 has problems Replace It Replace JK3606 N has problems Replace It Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 61: ...6KB USB0 CVBS CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for training and service...

Page 62: ...Replace one of L4302 L4302 Recheck Y Check USB interface DP DM N Replace one of Main Chip IC105 Recheck Maybe WiFi module has problems Replace It Y Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

Page 63: ...56KB USB0 CVBS CVBS LVDS HD 51P FHD 80P USB3 Wi Fi HDMI1 HDMI2 HDMI3 HDMI RX MHL Bridge SIL1292 Audio AMP I2S Out RGB H V With EEPROM PC RGB HDMI3 SIL1292 L R In CVBS AV COMP HYBRID PC AUDIO COMP I2C Sub Micom Renesas X TAL 32 768kHz CVBS COMP _LR COMP LR SPDIF OUT RS 232C OPTIC Eth t UART RF Emitter Module COMP _LR Copyright 2013 LG Electronics Inc All rights reserved Only for training and servic...

Page 64: ...l at N Re check of P4100 No 1 pin P4100 Recheck Y Check Signal 3D Sync _RF N Replace one of Main Chip IC105 Recheck Y Replace one of BT Ass y Recheck Copyright 2013 LG Electronics Inc All rights reserved Only for training and service purposes LGE Internal Use Only ...

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