LG Electronics 42LA69**-Z* service manual Block, Diagram, Lge

Page 21

Copyright © Only for training

 

 

 

 

X_TAL

DDR3

 

 

 

 

and service purposes

 

 

 

 

CI Slot

 

 

 

 

LG Electronics. Inc

 

 

 

 

 

 

 

 

 

 

 

 

 

P_TS

 

 

 

 

 

 

 

 

Air/

 

P_TS

 

A

B

 

 

 

 

 

 

 

 

 

 

 

 

R

Cable

 

IF (+/-)

T/C Demod

 

DDR3

 

 

 

 

 

 

 

 

 

E

T/C/S2 Tuner

 

P_TS

Analog Demod

 

 

 

 

 

A

 

P_TS

 

 

 

 

 

 

 

.

DVB-S

 

 

 

 

 

 

 

 

 

All

R

 

 

 

 

 

 

 

 

 

 

USB1

OCP

 

 

 

 

SYSTEM EEPROM

 

 

(H)

S

 

 

 

 

 

 

 

 

 

 

 

 

 

rights

 

I

(HDD)

 

USB

 

 

 

 

 

 

 

 

USB2

 

 

 

 

 

 

 

 

 

D

OCP

 

 

 

 

 

 

 

 

reserved. -

 

USB3

 

 

 

 

 

 

 

 

 

E

 

 

 

 

eMMC

 

 

 

 

 

 

 

 

 

 

 

 

LNB

 

 

 

 

 

 

BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

S

HDMI1

 

 

 

EPI

 

PM

LEVEL

 

 

 

 

HDMI

 

50P

 

 

I

 

 

 

 

 

D

HDMI2

 

MUX

LGE2122

 

50P

IC

SHIFTER

 

 

E

HDMI3

MHL

 

 

 

 

 

 

21 -

 

 

(MHL)

IC

 

 

 

 

Audio AMP

DIAGRAM

 

 

 

 

 

 

 

 

 

 

 

 

OCP

 

 

SPI

 

 

LOCAL DIMMING

 

 

 

 

 

 

 

 

 

 

 

 

H/P

AMP

 

 

UART

 

 

BLUTOOTH

 

 

 

AV/COMP

 

CVBS/YPbPr

 

USB_WIFI

 

 

WIFI

 

 

 

R

SCART

 

CVBS/RGB

 

 

 

 

KEY

SUB

 

 

 

E

 

 

 

 

 

 

 

 

ASSY

 

 

 

A

 

 

 

 

 

 

 

LOGO LIGHT

 

 

 

 

R

OPTIC

 

SPDIF OUT

 

 

 

 

 

 

 

 

 

 

LAN

 

ETHERNET

 

 

 

 

IR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sub Micom

 

 

LGE

 

 

 

 

 

 

 

 

 

X_TAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Internal Use Only

 

 

 

 

 

 

 

 

 

 

 

Image 21
Contents LED TV Contents General Guidance Safety PrecautionsElectrostatically Sensitive ES Devices Servicing PrecautionsIC Remove/Replacement Small-Signal Discrete Transistor Removal/ReplacementCircuit Board Foil Repair Model General Specification SpecificationApplication range Test method Requirement for TestVHF, UHF PAL-BG PAL-DKDVB-T QpskComponent Video Input Y, Pb, Pr PC mode Hdmi Input 6.1. DTV modeHdmi 1.4b 3D supported mode automatically 3D ModeRF Input 3D supported mode automatically RF Input3D supported mode manuallyUSB Input 3D supported mode manually Hdmi Input1.3Dlna Input 3D supported mode manually HDMI-PC Input 3D supported mode manuallyComponent Input3D 3D supported mode manually Input modeAutomatic Adjustment Adjustment InstructionApplication Range DesignationCI+ Key checking method Model name & Serial number DownloadCheck the method of CI+ Key value Manual AdjustmentCheck the method of CI+ key valueRS232 EdidAdj. Command Protocol White Balance AdjustmentOverview EquipmentAlelf & Edge LED White balance table Adj. methodWi-Fi Test Magic Motion Remote control testLocal Dimming Function Check Function testGND and Internal Pressure check Ship-out mode checkIn-stopTool Option selection AudioAfter downloading, have to adjust Tool Option again USB S/W DownloadService onlyDiagram BlockLGE Exploded View Important Safety Notice