DOWNLOAD LG 42LX6500-UB (CHASSIS:LA02R) Service Manual ↓ Size: 7.65 MB | Pages: 105 in PDF or view online for FREE

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.

INDEX

SHEET 001

SHEET 002

SHEET 003

SHEET 004

SHEET 008

SHEET 007

SHEET 005

SHEET 006

SHEET 010

SHEET 009

SHEET 019

SHEET 020

SHEET 014

SHEET 013

SHEET 011

SHEET 015

SHEET 012

SHEET 018

SHEET 017

SHEET 016

SHEET 021

SHEET 025

SHEET 024

SHEET 026

SHEET 023

SHEET 029

SHEET 022

SHEET 027

SHEET 030

SHEET 028

LVDS_LE9500

BCM-LVDS/AUDIO

BLANK

BCM-VIDEO

CHB

USB/EAR-PHONE

COMOPNENT/AV REAR

BLANK

BLANK

BCM-POWER

SMD_GASKET

HDMI_POWER

BLANK

BLANK

AMP_SUB_NTP

BCM-BOOT/FLASH/GPIO

ATSC_TUNER

BLANK

LG_LOGO_LE9500

BLANK

BCM-DDR

M u s t   b e
i n c l u d e d
i n   a n y   P C B  

BLANK

BLANK

BLANK

BLANK

BLANK

BLANK

NECESSARY

SHEET 079

LED DRIVER WAFER

SHEET 098

RGB/SPDIF

LG5111 (L.D.) from URSA3

SHEET 099

SHEET 083

SHEET 093

MICOM

SHEET 089

URSA3-DDR/POWER

POWER

SHEET 087

SHEET 084

AMP_NTP7000

SHEET 091

SIDE_GENDER

SHEET 081

SHEET 092

IR/232C/EHTERNET

T-CON (NO L.D.)

SHEET 088

SHEET 094

LG5111 (L.D.) from BCM

URSA3 (NO L.D.)

SHEET 082

SIDE_AV

SHEET 085

T - C O N   ( L . D . )

SHEET 095

SHEET 086

SHEET 096

URSA3 (L.D.)

SHEET 097

HDMI SWITCH

WIRELESS

SHEET 090

SHEET 080

MOTION REMOCON

NECESSARY

M u s t   b e
i n c l u d e d
i n   a n y   P C B  

BLANK

WITHOUT
LOCAL
DIMMING

WITH
LOCAL
DIMMING
T240Hz

NOT USE

SELECTABLE

SELECTABLE

SELECTABLE

SHEET 077

SHEET 078

LG5111 60HZ LVDS

SHEET 076

SHEET 075

LG5111 120HZ MINI-LVDS

URSA3 120HZ MINI-LVDS

SHEET 074

URSA3 120HZ LVDS

BCM 60HZ LVDS

BLANK

BLANK

LVDS WAFER
SELECT

BLANK

SIDE GENDER LINE

SHEET 031

SHEET 073

BLANK

WITH
LOCAL
DIMMING
T4800Hz

SELECTABLE

3D_IR_GENDER / POWER

0 9 / 1 0 / x x

INDEX

1 0 0       1 0 0

GP2_BCM_ATSC

CVBS, L/R

DDR2 (128Mbit)

NAND Flash

(4Gb/8Gb)

Digital AMP

NTP7000

I2S

NVRAM

RGB/H/V

DDR_Data[0:15], DQS, DM …

Data[16:31]

Addr.[ ], ctrl. data

MICOM

(NEC)

MAX3232

Data [0 … 7]

X-tal

Y Pb Pr, L/R

CVBS, L/R

Addr[0…1], CS …

Y Pb Pr, L/R

Audio L/R

SPDIF

DP/DM/ +5V

RX/TX

54MHz

(3

rd

overtone)

SCL, SDA_3.3V

SCL, SDA_3.3V

LCD Module

IF +/-

SIF

TU_CVBS

Reset / IF_AGC 
…

SDA/SCL_5V 

RF

TDVJ

-

H031F

DP/DM/ +5V

MCLK

Y Pb Pr, L/R

LG5111

(Local

dimming)

LGE7378P

(FRC, T-CON)

DDR2 (128Mbit)

DDR2 (128Mbit)

DDR2 (128Mbit)

HP_L/R

DDR3 (1Gbit)

Hynix

LVDS_60Hz

LVDS_120Hz

MINI_LVDS_120Hz

TDA19997

4x1 

HDMI Switch

HP AMP

TPA6132

CVBS, L/R

DDR2 (128MB)

NAND Flash

(4Gb/8Gb)

Digital AMP

NTP7000

I2S

NVRAM

RGB/H/V

DDR_Data[0:15], DQS, DM …

Data[16:31]

Addr.[ ], ctrl. data

MICOM

(NEC)

MAX3232

Data [0 … 7]

X-tal

Y Pb Pr, L/R

CVBS, L/R

Addr[0…1], CS …

Y Pb Pr, L/R

Audio L/R

SPDIF

DP/DM/ +5V

RX/TX

54MHz

(3

rd

overtone)

SCL, SDA_3.3V

SCL, SDA_3.3V

LCD Module

DP/DM/ +5V

MCLK

Y Pb Pr, L/R

LG5111

(Local

dimming)

LGE7378P

(FRC, T-CON)

DDR2 (128MB)

DDR2 (128MB)

DDR2 (128MB)

HP_L/R

DDR3 (1Gbit)

Hynix

LVDS_60Hz

LVDS_120Hz

MINI_LVDS_120Hz

1. Overview for BCM3549 (ATSC) - 한국

TDA19997

4x1 

HDMI Switch

HP AMP

TPA6132

IF+/-

SIF

TDTD-V005F

Main tuner

VSB

(LGDT 3305)

Video dec.

(TW9910)

IF +/- [SUB]

CVBS [SUB]

CHB IC

(LG1140)

656

CLK

Data

8

CLK

Data

SOP

Channel Browser부

CVBS

SOP

TDVJ-H031F

Main tuner