LG Electronics 84LA980V-ZD SPEAKER_L, SPEAKER_R

THERMAL

THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES

SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.

FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS

ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR

THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.

+24V_AMP

I2C_SCL1

C5628

330pF

50V

AUD_MASTER_CLK

WOOFER_MUTE

AUD_SCK

AMP_RESET_N

+24V_AMP

P5600

WAFER-ANGLE

1

2

3

4

C5607

0.1uF

R5601

10K

R5609

470

C5627

330pF

50V

+3.3V_NORMAL

L5602

BLM18PG121SN1D

I2C_SDA1

C5636

2200pF

50V

R5614

18

1/16W

+24V

R5607

18K

1%

C5611 4700pF

AUD_LRCH

AUD_LRCK

C5617 0.033uF

50V

R5611

18

R5613

18

1/16W

R5600

10K

C5601

0.1uF

50V

SPK_R+

R5612

18

33 R5605

C5603

10uF

10V

C5626

330pF

50V

AMP_MUTE

C5609 4700pF

R560433

C5633

0.1uF

50V

C5618

0.1uF

50V

C5639

2200pF

50V

SPK_R-

SPK_L+

L5601

BLM18PG121SN1D

C5613 2200pF

50V

C5630

0.47uF

50V

R5608 15K

C5608

0.047uF

C5635

0.1uF

50V

C5632

0.1uF

50V

C5634

0.1uF

50V

C5606

0.1uF

16V

C56151uF25V

C5625

0.033uF

50V

SPK_L-

SPK_L-

C5619

0.1uF

50V

C5612

0.047uF

C5610

0.1uF

16V

C5629

330pF

50V

R5610

470

+3.3V_NORMAL

R560633 +24V_AMP

WOOFER_MUTE

C5616

0.033uF

50V

C5637

2200pF

50V

IC5600

TAS5733

1OUT_A

2PVDD_AB_1

3PVDD_AB_2

4BST_A

5NC_1

6SSTIMER

7NC_2

8PBTL

9AVSS

10 PLL_FLTM

11 PLL_FLTP

12 VR_ANA

13

AVDD

14

A_SEL_FAULT

15

MCLK

16

OSC_RES

17

DVSSO

18

VR_DIG

19

PDN

20

LRCLK

21

SCLK

22

SDIN

23

SDA

24

SCL

25

RESET 26

STEST 27

DVDD 28

DVSS 29

GND 30

AGND 31

VREG 32

GVDD_OUT 33

BST_D 34

PVDD_CD_1 35

PVDD_CD_2 36

OUT_D

37 PGND_CD_1

38 PGND_CD_2

39 OUT_C

40 NC_3

41 NC_4

42 BST_C

43 BST_B

44 NC_5

45 NC_6

46 OUT_B

47 PGND_AB_1

48 PGND_AB_2

49

[EP]

C5614

0.1uF

+3.3V_NORMAL

SPK_L+

C5638

2200pF

50V

SPK_R-

R5603

100 C5602

1000pF

50V

SPK_R+

C5624

0.033uF

50V

R5602

0

Q5600

MMBT3904(NXP)

E

B

C

C5604

0.1uF

16V

C5631

0.47uF

50V

C5620

10uF

35V

C5623

10uF

35V

C5622

10uF

35V

C5621

10uF

35V

L5600

UBW2012-121F

L5605

NRS6045T100MMGK

10.0uH

L5603

NRS6045T100MMGK

10.0uH

L5606

NRS6045T100MMGK

10.0uH

L5604

NRS6045T100MMGK

10.0uH

C5605

4.7uF

10V

ZD5600

5V

OPT

GP4_MT5369

58

2011.11.21

AUDIO[ST]

Close to Speaker

Separate DGND AND AVSS

SPEAKER_L

This parts are Located

on AVSS area.

SPEAKER_R

Copyright © 2013 LG Electronics. Inc. All rights reserved.

Only for training and service purposes

LGE Internal Use Only

Contents

Main CONTENTS SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE General Guidance Before returning the receiver to the customer, Leakage Current Cold Check(Antenna Cold Check) SERVICING PRECAUTIONS Page SPECIFICATION 1. Application range 2. Requirement for Test 3. Test method 4. Model General Specification Page 5. External input format 5.1. 2D Mode 5.2. 3D Mode (4) HDMI 1.4b (3D supported mode automatically) Page Page ADJUSTMENT INSTRUCTION 1. Application Range 2. Designation 3. Automatic Adjustment 3.1. ADC Adjustment 3.3. LAN Inspection 3.4. LAN PORT INSPECTION(PING TEST) SET PC 3.5. Model name & Serial number Download 3.5.1. Model name & Serial number D/L 3.5.2. Method & notice 3.6. CI+ Key checking method 3.6.1. Check the method of CI+ Key value 4. Manual Adjustment 4.1. EDID(The Extended Display Identific ation Data)/DDC(Display Data Channel) download 4.1.1. Overview 4.1.2. Equipment 4.1.3. Download method 4.2. White Balance Adjustment 4.2.1. Overview 4.2.2. Adj. condition and cautionary items 4.2.3. Equipment 4.2.4. Equipment connection MAP 4.2.6. Adj. method 4.2.7. Reference (White balance Adj. coordinate and color temperature) 4.2.8. EDGE LED White balance table 4.3. Local Dimming Function Check 4.4. Magic Motion Remote control test 4.5. 3D function test 4.6. Wi-Fi Test 4.7. LNB voltage and 22KHz tone check 4.8. Inspection of light scattering 4.9. Option selection per country 4.9.1. Overview 5. Audio 6. USB S/W Download(Service only) * After downloading, have to adjust Tool Option again. EXPLODED VIEW FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC102 R1EX24256BSAS0A Jtag I/F For Main I2C PULL UP IC100 LG1154D_H13D NVRAM INSTANT_MODE0 System Configuration Clock for LG1154D LG1154A (2) AFE 3CH Power +2.5V +3.3V_Bypass Cap (1) LG1154A +1.1V_Bypass Cap +0.75V LG1154D BSD-NC4_H002-HD 2012-10-18 LG1154DLG1154A DIMMING NC Placed as close as possible to IC4300 AFE 3CH REF Setting FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC501 BSD-NC4_H005-HD 2012-09-14 (x16) FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS BSD-NC4_H007-HD 2012-10-20 PCMCIA FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS POWER IC2302 AP7173-SPG-13 HF(DIODES) 5A LG1154 IC2300 +5.0V normal & USB DCDC_TI Renesas MICOM FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS P3100 SMAW200-H16S2 GP4 5 DOOR MOTOR Sheet option : MOVING_SPK THERMAL [EP]GND HDMI3 From D13 FHD FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS GP4 IC3201 SII9587CNUC HDMI2 COMPONENT 1 PHONE JACK FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS JACK HIGH/MID 2012.10.09 SPDIF OUT BSD-NC4_H034-HD MAX 0.4A For 84" UD only FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC4200 GL852G-31 CAMERA POWER ENABLE CONTROL USB3_HUB 2012.10.08 USB_Camera OCP USB1 OCP USB2/3 USB2 (2.0) MAX 1.0A USB3 (2.0) MAX 1.0A USB1 (3.0) MAX 1.2A BSD-NC4_H044-HD 2012-11-09 USB JACK FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS Full Scart(18 Pin Gender) BSD-NC4_H048-HD 50 LAN_VERTICAL 2011.12.09 Ethernet Block FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC5200 RTL8201F-VB-CG WOL POWER ENABLE CONTROL ETHERNET Ethernet Block BSD-NC4_H052-HD 2012-09-12 SPEAKER_L IC5600 GP4_MT5369 2011.11.21 AUDIO[ST] This parts are Located WOOFER_R GP4_MT5369 2011.11.21 AUDIO[ST] This parts are Located WOOFER_L Height_SPK option FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC6000 AZ4580MTR-E1 [SCART AUDIO MUTE] SCART AUDIO AMP 2011.11.21 60 EARPHONE AMP 62 CI SLOT 2011.10.31 CI POWER ENABLE CONTROL IC6300 TDA8024TT +5V_NORMAL B-CAS (SMART CARD) INTERFACE FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IF_P 13 20 32 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS TU6705 TDSN-G351D TU_SYMBOL 2012.09.14 TU6702 TDSQ-H651F(B) TU6703 TDSQ-G651D(B) RS-232C Control INTERFACE FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC6900 A8303SESTR-T LNB 2012.03.08 69 DVB-S2 LNB Part Allegro Max 1.3A (Option:LNB) 2A FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS LVDS BSD-NC4_H072-HD 2012-10-15 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC8100-*3 KLM2G1HE3F-B001 (Just Interal LDO Capacitor) eMMC I/F eMMC serial 100 ohm option FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC12001 MX25L3206EM2I-12G IC12000 LG1153 Serial Flash Boot Test SPI FLASH(4MByte) HEVC FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC12201 TPS54327DDAR Vout=0.765*(1+R1/R2)=1.516V Switching freq: 700K +1.1V_D13_VDD R1 R2 Vout=0.765*(1+R1/R2)= 1.113V +1.5V_D13_DDR [51P HS-LVDS input wafer] EAX65309301 2013.03.18 U_LVDS INPUT 2 22 [41P HS-LVDS input wafer] H13_41pin LVDS FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS Master Slave FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PA168-ES 4 22 [51P Vx1 output wafer] [41P Vx1 output wafer] [F] FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS IC100 PA168-ES P_DDR_A 5 22 H5TQ1G63EFR-PBC FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS PA168-ES 6 22P_DDR_B H5TQ1G63EFR-PBC IC500 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS SCL_S_A SDA_S_A SCL_M1_A SDA_M1_A P_GPIO_AB 8 22 SPIRXD_A SPIRXD_B FLASH_WP_P2 2MByte 2MByte SW701 JTP-1127WEM 1 2 43 SW703 JTP-1127WEM 1 2 43 Name Function FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS P_UART,JTAG 12 22 UART FOR DEBUG PA138A UART FOR DEBUG PA138B EAX65309301 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS C1023 Close to DPLLVDD1V PinClose to OSCVDD1V Pin PA168_POWER_A1 13 22 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS C1167 Close to DIFTXVDD25 pin 14 22 PA168_POWER_A2 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS C1209 Close to DPLLVDD1V Pin Close to OSCVDD1V Pin 15 22 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS C1312 Close to DIFTXVDD25 pin PA168_POWER_B2 16 22 DDR PHY VREF Close to DDR POWER PIN FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS SPI_DO I2C_S Port I2C EEPROM Chip Config U_UART,GPIO 20 22 URSA7 Reset Debugging for URSA7 FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS LGE7410 U_Power 21 22 DDR3 POWER FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS Wafer Vout=0.8*(1+R1/R2)=1.209V 22 22DC-DC POWER MAX 3.5A TYP 6000mA FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 24P -> 18P 2013.04.08 23 23 EAX65313101 Page Page Page 2 types of LED ALEF Benefit: More Clear More Real Best picture quality + thin TV ALEF Type Local Dimming Feature Model XXLA970*-ZA Sliding SPK Mechanism Moving Speaker Stroke : 41.0mm 4.1ch audio (Height channel Surround) Sliding SPK UX **LA965*-Z* **LA970*-Z* From PSU FRC B/D (ULTRA HD) 84LM96/LA980V-ZD wifi Local Key +IR Motion assy Front Spk Power Woofer FRC PCB(ULTRA HD) **LA965*-Z* **LA970*-Z* FRC PCB(ULTRA HD) Main B/D 84LM96/LA980V-ZD From PSU H13 LG1154AN External I/O H13 Block diagram MICOM [SDA_T] I2C_SCL2_SOC SII9587CNUC Tuner Block H13 (LG1154AN) SC_L/R_IN COMP2_Y_IN_SOC_SOY Analogue Input OP AMP H13 LG1154 Audio I/O HDMI2 H13 R5F100GEAFB) LG1154D_A0 Panel Interface (EPI) H13 LG1154D EPI0A +/- (TX0 +/-) PANEL H13 LG1154D USB2512B-AEZG Page [PCBs] LA965*-Z* [PCBs] LA970*-Z* [PCBs] 84LM96/LA980V-ZD Interconnection sub PCB( **LA965V Series ) IR PCB WIFI ASSY BT MOTION ASSY Interconnection sub PCB( **LA970* Series ) IR PCB WIFI ASSY BT MOTION ASSY Contents of LCD TV Standard Repair Process No. Error symptom (High category) Error symptom (Mid category) Page Remarks 4 Color error 4 light spot, external device color error auto on/off LCD TV symptom A. Video error No video/ Normal audio A4 & A2 A18 A1 A18 First of all, Check whether all of cables between board is inserted properly or not. A18 Revised date 2/16 Picture broken/ Freezing A3 or broadcaster (Cable or Air) . By using Digital signal level meter . By using Diagnostics menu on OSD A4 ( Setting Set up Manual Tuning Check the Signal ) A7 A6 A8 date Revised date 4/16 symptom Vertical/Horizontal bar, residual image, light spot Request repair For other panel error Vertical / Horizontal bar, residual image, 2013.01.31 B. Power error Off when on, off while viewing, power auto on/off A18 Check outlet Abnormal C. Audio error No audio/ Normal video A20 A21+A18 date Revised date 8/16 symptom C. Audio error symptom Wrecked audio/ discontinuation/noise -External Input Request repair to external D. Function error Remote control & Local switch checking A22 A22 A18 D. Function error MR13 operating checking A4 message? 2. MR13(Magic Remocon) operating error D. Function error Wifi operating checking A24 A4 A24 D. Function error Camera operating checking A25 A4 A25 external device/cable Established E. Noise LCD TV damage F. Exterior defect Established LCD TV Contents of LCD TV Standard Repair Process Detail Technical Manual 1 Check LCD back light with naked eye Defected Type caused by T-Con/ 13 Exchange Module (1) A-4/5 Contents of LCD TV Standard Repair Process Detail Technical Manual 19 C. Audio error_ No audio/Normal Continued from previous page Page Page Page 2. Enter into White Balance of item 9. LCD TV Page TUNER checking part A. Video error_Video error, video lag/stop <ALL MODELS> symptom A5 Page Page Page Page A. Video error_Color error Appendix : Exchange Main Board (1) Appendix : Exchange Main Board (2) Page Page Gate TAB IC Defect Appendix : Exchange the Module (2) Un-repairable Cases In this case please exchange the module. Page Page Page symptom B. Power error _No power A18 Check the DC 24V, 12V, 3.5V. 18 Pin (Power Board Main Board) Entry method Checking method Page LCD TV LCD TV 2. Enter the password. (ex. 000000)