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Copyright                LG Electronics. Inc. All right reserved. 
Only for training and service purposes

LGE Internal Use Only

C

2008

0 . 1 u F
16V

C905

4.7K

R927

1K

R928

22

R932

33pF
50V

C906

RESET

SDA2_3.3V

SCL2_3.3V

SDA_HDMI_SW

SCL_HDMI_SW

DDC_SDA_4

DDC_SCL_4

100

R907

100

R906

100

R905

100

R904

100 R903

100

R902

100

R901

100

R900

RESET

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.

SCART1_ID

SCART2_ID

+5V

120-ohm

L900

D902

D903

TMUE312GAB

SW900

1

2

4

3

5

+3.3V_OTP

0.1uF

READY

C909

+3.3V_DAC_DOUGLAS

+3.3V_ADC_DOUGLAS

+3.3V_DOUGLAS

+3.3V_DAC_DOUGLAS

+1.2V_AUD_DOUGLAS

1K

R957

+1.2V_DOUGLAS_D

+1.2V_DOUGLAS

+3.3V_OTP

+3.3V_DOUGLAS

2N3904S

Q901

E

B

C

+3.3V_DOUGLAS

+1.2V_DOUGLAS

+1.2V_DOUGLAS_D

+3.3V_HDMI_DOUGLAS

+3.3V_DOUGLAS

+1.2V_DDRPLL

+1.2V_DOUGLAS_D

DDR2_VREF

+3.3V_ADC_DOUGLAS

390

R954

47K

R955

+3.3V_LVTX_PLL_DOUGLAS

+1.2V_HDMI_DOUGLAS

+3.3V_IO_DOUGLAS

+3.3V_HDMI_DOUGLAS

+1.2V_DOUGLAS

+3.3V_AUD_DOUGLAS

+3.3V_DOUGLAS

+3.3V_DOUGLAS

+1.2V_DDRPLL

+1.2V_DDRPLL

+1.2V_AUD_DOUGLAS

+3.3V_LVTX_DOUGLAS

+3.3V_DOUGLAS

+3.3V_DOUGLAS

+3.3V_LVTX_DOUGLAS

+1.8V_DOUGLAS_DDR

+3.3V_AUD_DOUGLAS

+1.2V_HDMI_DOUGLAS

+3.3V_IO_DOUGLAS

+3.3V_DOUGLAS

+3.3V_LVTX_PLL_DOUGLAS

+1.2V_DOUGLAS_D

+1.2V_DOUGLAS_D

CI_EN

+5V

+5V

SDA1_5V

SCL1_5V

+1.2V_ADC_DOUGLAS

+1.2V_DOUGLAS

+1.2V_ADC_DOUGLAS

+5V

D_SUB_SCL

D_SUB_SDA

+1.8V_DOUGLAS_DDR

+3.3V_DOUGLAS

+3.3V_DOUGLAS

+1.2V_DOUGLAS_D

+3.3V_DOUGLAS

+3.3V_CI

0

R951

0

R956

+1.8V_DOUGLAS_DDR

0 . 1 u F
16V

C922

0 . 1 u F
16V

C914

0 . 1 u F
16V

C952

0.1uF

16V

C955

0 . 1 u F
16V

C941

0 . 1 u F
16V

C953

0.1uF

16V

C917

0 . 1 u F
16V

C972

0 . 1 u F
16V

C987

0.1uF

16V

C921

0 . 1 u F
16V

C984

0 . 1 u F
16V

C957

0 . 1 u F
16V

C1903

0.1uF

16V

C968

0 . 1 u F
16V

C991

0 . 1 u F
16V

C998

0 . 1 u F
16V

C938

0 . 1 u F
16V

C979

0 . 1 u F
16V

C973

0 . 1 u F
16V

C950

0 . 1 u F
16V

C948

0 . 1 u F
16V

C956

0 . 1 u F
16V

C982

0 . 1 u F
16V

C974

0 . 1 u F
16V

C970

0 . 1 u F
16V

C943

0 . 1 u F
16V

C996

0 . 1 u F
16V

C940

0.1uF

16V

C945

0 . 1 u F
16V

C1904

0 . 1 u F

C975

0 . 1 u F
16V

C960

0 . 1 u F
16V

C951

0 . 1 u F
16V

C990

0 . 1 u F
16V

C946

0 . 1 u F
16V

C947

0 . 1 u F
16V

C976

0 . 1 u F
16V

C961

0 . 1 u F
16V

C966

0 . 1 u F
16V

C939

0 . 1 u F
16V

C949

0 . 1 u F

C967

0 . 1 u F

C934

0 . 1 u F
16V

C958

0 . 1 u F
16V

C983

0 . 1 u F
16V

C942

0 . 1 u F
16V

C986

0 . 1 u F
16V

C995

0 . 1 u F
16V

C963

0 . 1 u F
16V

C936

0 . 1 u F
16V

C971

0 . 1 u F
16V

C918

0 . 1 u F

C954

0 . 1 u F
16V

C985

0 . 1 u F
16V

C977

0 . 1 u F

C944

0 . 1 u F

C920

0 . 1 u F
16V

C932

0.1uF

16V

C935

0 . 1 u F
16V

C999

0 . 1 u F
16V

C919

0 . 1 u F
16V

C962

0 . 1 u F
16V

C965

0 . 1 u F
16V

C969

0 . 1 u F
16V

C959

0 . 1 u F
16V

C931

0 . 1 u F

C981

0 . 1 u F
16V

C978

0 . 1 u F

C916

0 . 1 u F
16V

C937

0 . 1 u F
16V

C994

+3.3V_DOUGLAS

0 . 1 u F
16V

C993

0 . 1 u F
16V

C1900

+3.3V_DOUGLAS_VAA

+3.3V_DOUGLAS_VDDI

+3.3V_DOUGLAS

0 . 1 u F
16V

C992

+3.3V_DOUGLAS_VAA

+3.3V_DOUGLAS_VDDI

0

R959

+3.3V_DOUGLAS

+3.3V_STBY

DEBUG_RX

DEBUG_TX

CHAPLIN_RX

CHAPLIN_TX

120-ohm

L907

MLB-201209-0120P-N2

L903

120-ohm

L904

120-ohm

L906

120-ohm

L901

MLB-201209-0120P-N2

L908

120-ohm

L905

120-ohm

L902

0

R953

0

R952

MICROCHIP TECHNOLOGY

24LC512

0IMMRMP008A

MEMORIES

IC901

DOUGLAS_EEPROM_MICROCHIP512K

3

A2

2

A1

4

VSS

1

A0

5

SDA

6

SCL

7

WP

8

VCC

P_+5V

10uF
6.3V

C988

10uF
6.3V

C997

10uF
6.3V

C989

10uF
6.3V

C925

10uF
6.3V

C933

10uF
6.3V

C926

10uF
6.3V

C927

10uF
6.3V

C930

10uF
6.3V

C928

10uF

C912

10uF

6.3V

C913

100uF
16V

C911

10uF
6.3V

C929

10uF
6.3V

C923

+3.3V_OTP

1K

R913

1K

R912

VBR_B

VBR_A

10uF
16V

C1901

0 . 1 u F

C1906

33uF
10V

C980

0

R958

0 . 1 u F
16V

C900

510

R978

10

R977

0 . 1 u F

C1907

10uF
6.3V

C1902

READY

0 . 1 u F
16V

C964

0 . 1 u F
16V

C907

+3.3V_STBY

FRC_RESET

0

R967

READY

6.2K

1%

R929

1K

R914

1K

R915

6.8K

R918

100

R908

100

R909

4.7K

AR900

47K

R938

READY

47K

R940

47K

R941

4.7K

R939

22

R949

22

R950

4.7K

R944

4.7K

R945

4.7K

R947

0

R936

0

R934

READY

0

R948

10K

R937

0 . 1 u F

C908

0 . 1 u F
16V

C910

12505WS-08A00

P1001

ENGINEERING

1

2

3

4

5

6

7

8

9

TEXAS INSTRUMENT

TPS2042BDRG4

0ITI204200C

ANALOG SWITCH

IC902

3

EN1

2

IN

4

EN2

1

GND

5

OC2

6

OUT2

7

OUT1

8

OC1

3.3K

R946

USB DOWN STREAM

KJA-UB-4-0004

P901

1234

5

10uF
6.3V

C924

FLI10620H-AA 

IC100

D o u g l a s   F u l l

CVDD12_1

L11

CVDD12_2

L12

CVDD12_3

L17

CVDD12_4

L18

CVDD12_5

L19

CVDD12_6

M11

CVDD12_7

M12

CVDD12_8

M17

CVDD12_9

M18

CVDD12_10

M19

CVDD12_11

V11

CVDD12_12

V12

CVDD12_13

V13

CVDD12_14

V18

CVDD12_15

V19

CVDD12_16

W11

CVDD12_17

W12

CVDD12_18

W13

CVDD12_19

W18

CVDD12_20

W19

IOVDD33_1

F12

IOVDD33_2

F13

IOVDD33_3

F14

IOVDD33_4

F15

IOVDD33_5

F16

IOVDD33_6

F18

IOVDD33_7

F19

IOVDD33_8

AD8

IOVDD33_9

AD10

IOVDD33_10

AD11

IOVDD33_11

AD12

IOVDD33_12

AD14

IOVDD33_13

AD16

IOVDD33_14

AD17

IOVDD33_15

AD18

IOVDD33_16

U6

IOVDD33_17

V6

IOVDD33_18

Y6

IOVDD33_19

AA6

IOVDD33_20

AB6

ADC_VDD12_1

A1

ADC_VDD12_2

B2

ADC_VDD12_3

C3

ADC_VDDA33_1

E4

ADC_VDDA33_2

F4

ADC_VDDA33_3

G4

ADC_VDDA33_4

H4

ADC_VDDA33_5

K4

AUD_AVDD12_1

P6

AUD_AVDD12_2

R6

C4P

L1

AUD_AVDD33_2

T6

AUD_AVDD33_3

T5

AUD_AVDD33_4

U5

AUD_AVDD33_5

U4

AUD_AVDD33_6

U3

AUD_HP_AVDD33

U2

DDRPLL_AVDD12

D22

DDR_VDD_1

D25

DDR_VDD_2

D27

DDR_VDD_3

D29

DDR_VDD_4

F25

DDR_VDD_5

F27

DDR_VDD_6

F29

DDR_VDD_7

H24

DDR_VDD_8

H27

DDR_VDD_9

H29

DDR_VDD_10

K25

DDR_VDD_11

K27

DDR_VDD_12

K29

DDR_VDD_13

M25

DDR_VDD_14

M29

DDR_VDD_15

N24

DDR_VDD_16

P28

DDR_VDD_17

R25

DDR_VDD_18

U25

DDR_VDD_19

V27

DDR_VDD_20

Y25

DDR_VDD_21

Y27

DDR_VDD_22

Y29

DDR_VDD_23

AB24

DDR_VDD_24

AB27

DDR_VDD_25

AB29

DDR_VDD_26

AD25

DDR_VDD_27

AD27

DDR_VDD_28

AD29

DDR_VDD_29

AF25

DDR_VDD_30

AF27

DDR_VDD_31

AF29

DDRPLL_AVDD33

E22

DDR_VDDI_1

F23

DDR_VDDI_2

AD23

DDR_VRF_0

G25

DDR_VRF_1

R24

DDR_VRF_2

AA25

DLL_VAA0

M28

DLL_VAA1

V24

HDMI_VDDA33_1

C4

HDMI_VDDA33_2

D5

HDMI_VDDA33_3

D6

HDMI_VDDA33_4

E6

HDMI_VDDA33_5

E7

HDMI_VDD12_1

D10

HDMI_VDD12_2

E8

HDMI_VDD12_3

E9

HDMI_VDD12_4

E10

LVTX_VDD33_1

AE21

LVTX_VDD33_2

AE22

LVTX_VDD33_3

AF24

LVTX_PLL_VDD33

AG26

OTP_VDD33

A26

RPLL_AVDD33

B23

RPLL_AVDD12

C23

USB_AVDD12

AE20

USB_AVDD33_1

AF20

USB_AVDD33_2

AG19

USB_AVDD33_3

AH19

VDAC_VDD12

AD6

VDAC_AVDD33_1

AE6

VDAC_AVDD33_2

AF5

VDAC_AVDD33_3

AF6

CVSS_1

D26

CVSS_2

D28

CVSS_3

E24

CVSS_4

E26

CVSS_5

E28

CVSS_6

G24

CVSS_7

G26

CVSS_8

G27

CVSS_9

J 2 4

CVSS_10

J 2 6

CVSS_11

J 2 8

CVSS_12

L13

CVSS_13

L14

CVSS_14

L15

CVSS_15

L16

CVSS_16

L24

CVSS_17

L26

CVSS_18

L28

CVSS_19

M13

CVSS_20

M14

CVSS_21

M15

CVSS_22

M16

CVSS_23

N11

CVSS_24

N12

CVSS_25

N13

CVSS_26

N14

CVSS_27

N15

CVSS_28

N16

CVSS_29

N17

CVSS_30

N18

CVSS_31

N19

CVSS_32

N27

CVSS_33

N28

CVSS_34

P11

CVSS_35

P12

CVSS_36

P13

CVSS_37

P14

CVSS_38

P15

CVSS_39

P16

CVSS_40

P17

CVSS_41

P18

CVSS_42

P19

CVSS_43

P26

CVSS_44

R11

CVSS_45

R12

CVSS_46

R13

CVSS_47

R14

CVSS_48

R15

CVSS_49

R16

CVSS_50

R17

CVSS_51

R18

CVSS_52

R19

CVSS_53

T11

CVSS_54

T12

CVSS_55

T13

CVSS_56

T14

CVSS_57

T15

CVSS_58

T16

CVSS_59

T17

CVSS_60

T18

CVSS_61

T19

CVSS_62

T24

CVSS_63

T26

CVSS_64

U11

CVSS_65

U12

CVSS_66

U13

CVSS_67

U14

CVSS_68

U15

CVSS_69

U16

CVSS_70

U17

CVSS_71

U18

CVSS_72

U19

CVSS_73

V14

CVSS_74

V15

CVSS_75

V16

CVSS_76

V17

CVSS_77

V29

CVSS_78

W14

CVSS_79

W15

CVSS_80

W16

CVSS_81

W17

CVSS_82

W24

CVSS_83

W26

CVSS_84

W28

CVSS_85

AA24

CVSS_86

AA26

CVSS_87

AA27

CVSS_88

AC24

CVSS_89

AC26

CVSS_90

AC28

CVSS_91

AE24

CVSS_92

AE26

CVSS_93

AE28

ADC_GND12_1

D4

ADC_GND12_2

E5

ADC_GND12_3

F6

ADC_GNDA_1

F5

ADC_GNDA_2

E3

ADC_GNDA_3

F1

ADC_GNDA_4

G5

ADC_GNDA_5

G3

ADC_GNDA_6

H5

ADC_GNDA_7

J 5

ADC_GNDA_8

K5

A4P

K3

AUD_AVSS12_1

M6

AUD_AVSS12_2

N6

B4P

L2

AUD_AVSS33_2

P1

AUD_AVSS33_3

P2

AUD_AVSS33_4

P3

AUD_AVSS33_5

P4

AUD_AVSS33_6

P5

AUD_HP_AVSS33

U1

DDRPLL_AGND

E21

HDMI_GNDA_1

A2

HDMI_GNDA_2

C5

HDMI_GNDA_3

C6

HDMI_GNDA_4

C7

HDMI_GNDA_5

C8

HDMI_GNDA_6

C9

HDMI_GNDA_7

C10

HDMI_GNDA_8

D7

HDMI_GNDA_9

D8

LVTX_VSS_1

AD21

LVTX_VSS_2

AD22

LVTX_VSS_3

AE23

LVTX_VSS_4

AG27

RPLL_AGND_1

B22

RPLL_AGND_2

C22

USB_GND_1

AD20

USB_GND_2

AJ19

USB_GND_3

AF19

VDAC_VSS12

AC6

VDAC_AVSS33_1

AD7

VDAC_AVSS33_2

AG4

FLI10620H-AA 

IC100

D o u g l a s   F u l l

LBADC_33

D24

LBADC_GND

E23

LBADC_IN1

C25

LBADC_IN2

C24

LBADC_IN3

B25

LBADC_IN4

B24

LBADC_IN5

A25

LBADC_IN6

A24

LBADC_RETURN

F22

2WIRE_M1_SDA

D21

2WIRE_M1_SCL

D20

2WIRE_M0_SCL

E20

2WIRE_M0_SDA

F20

2WIRE_S0_SDA

B12

2WIRE_S0_SCL

A12

2WIRE_S1_SDA

D12

2WIRE_S1_SCL

C12

2WIRE_S2_SDA

E11

2WIRE_S2_SCL

D11

PWM3

A13

PWM2

B13

PWM1

C13

PWM0

D13

RESET_N

D23

UART0_RXD

A19

UART0_TXD

B19

UART1_RXD

A20

UART1_TXD

B20

UART1_RTS

C20

UART1_CTS

C19

TRST

B26

TDI

B27

TDO

A27

TMS

A28

TCK

B28

EJ_RST_N

A29

EJ_DINT

B29

USB_FLAG

C29

USB_PWREN

C28

USBPHY_PADP

AJ20

USBPHY_PADM

AH20

USBPHY_VRES

AG20

IRDATA

C21

DFSYNC

E13

PPWR

A21

PBIAS

B21

22

R910

SCART1_FB

0 . 1 u F

C1909

SCART1_VIN

0 . 1 u F

C1908

0

R935

330uF
6.3V

C915

3.3K

R942

3.3K

R943

RTR030P02

Q900

S

D

G

0

R917

10uF
6.3V

C903

JP62

JP63

JP64

JP65

75

R911

M24512-WMW6

EAN43349001

IC901-*1

DOUGLAS_EEPROM_STM512K

3

E2

2

E1

4

VSS

1

E0

5

SDA

6

SCL

7

WC

8

VCC

AT24C512BW-SH-T

EAN43352801

IC901-*2

DOUGLAS_EEPROM_ATMEL512K

3

A2

2

A1

4

GND

1

A0

5

SDA

6

SCL

7

WP

8

VCC

10uF
6.3V

C901

READY

0 . 1 u F

16V

C904

READY

22uF

16V

C902

USB20-1-DP

USB20-1-DM

USB20-OC1

USB20-OC1

USB20-PWE1

USB20-PWE1

N e a r b y   p i n   A D 2 3

N e a r b y   p i n   F 2 3

0xA6

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.

+1.8V_DOUGLAS_DDR

INV_CTL

220uF

16V

C1030

+5V_CI

0 . 1 u F
16V

C1042

+3.3V_STBY

PANEL_ERROR_DET

+1.8V

0 . 1 u F
16V

C1046

0IPMGKE030A

REGULATOR

KIA78R05F

KEC

IC1005

1

VIN

2

VC

3

VOUT

4

NC

5

GND1

6

GND2

ADVANCED ANALOG CIRCUITS

AZ1117H-3.3

0IPMGA0010A

LDO VOLTAGE REGULATOR

IC1007

2

OUTPUT

3

INPUT

1

ADJ/GND

P_+16V

1.2V_DOUGLAS_EN

0 . 1 u F
50V

C1028

+3.3V_TUNER

0 . 1 u F

16V

C1034

KEC

KIA7805AF

0IPMG00004A

VOLTAGE REGULATOR

IC1008

2

C

3

O

1

I

220uF

16V

C1001

0 . 1 u F
16V

C1049

120-ohm

L1003

P_+5V

0 . 1 u F
16V

C1041

120-ohm

L1000

120-ohm

L1005

+3.3V_CI

0 . 1 u F
16V

C1045

P_+5V

VBR_B

KDS226

D1000

READY

A

AC

C

120-ohm

L1004

100

R1014

6.8K

R1007

P_+5V_CORE

+1.2V_DOUGLAS_D

P_+12V

0

R1010

0 . 1 u F
16V

C1044

0 . 0 1 5 u F

C1014

+5V_TUNER

4.7K

R1017

KEC

KIA78R33F

0IPMGKE031A

LDO VOLTAGE REGULATOR

IC1004

1

VIN

2

VC

3

VOUT

4

NC

5

GND1

6

GND2

P_+5V

+3.3V_DOUGLAS

3.3V_EN

KEC

KIA78R33F

0IPMGKE031A

LDO VOLTAGE REGULATOR

IC1001

1

VIN

2

VC

3

VOUT

4

NC

5

GND1

6

GND2

0 . 1 u F
16V

C1033

560pF

C1013

0 . 1 u F
16V

C1011

10K
1%

R1009

P_+12V

P_+5V_CORE

CI_EN

AC_DET

1.8V_DOUGLAS_EN

0 . 2 2 u F
16V

C1008

0 . 1 u F
16V

C1037

RL_ON/PWR_ONOFF

3.3V_EN

0 . 1 u F

16V

C1009

0 . 1 u F

16V

C1036

0 . 1 u F

16V

C1000

0 . 1 u F

16V

C1023

0 . 1 u F
16V

C1016

10uF
6.3V

C1018

READY

10uF
6.3V

C1048

READY

10uF
6.3V

C1012

10uF
6.3V

C1017

10uF
6.3V

C1019

100uF
16V

C1051

100uF
16V

C1050

100uF

16V

C1007

0 . 1 u F

16V

C1029

0 . 1 u F

16V

C1031

10uF

6.3V

C1039

100uF
16V

C1026

47uF
25V

C1025

0 . 1 u F
16V

C1032

4 . 7 u F
10V

C1005

4 . 7 u F
10V

C1053

READY

VBR_A

0 . 1 u F

50V

C1038

1uF

C1035

2SC3052

Q1000

TRNPN_ISA

E

B

C

1K

R1015

47K

R1013

47K

R1018

+5V

+9V_MSP

RL_ON/PWR_ONOFF

120-ohm

L1009

0 . 1 u F
16V

C1043

4 . 7 u F
10V

C1047

100uF
16V

C1052

ADVANCED ANALOG CIRCUITS

AZ1117H-1.8TRE1(EH13A)

0IPMG00049A

LDO VOLTAGE REGULATOR

IC1006

2

OUTPUT

3

INPUT

1

ADJ/GND

4 . 7 u F

10V

C1002

0 . 1 u F

16V

C1004

0 . 1 u F

16V

C1022

0 . 1 u F

16V

C1021

0 . 1 u F

50V

C1020

4 . 7 u F

10V

C1027

120-ohm

L1006

0 . 1 u F
16V

C1015

0 . 1 u F
16V

C1010

MPS

MP2305DS

EAN33143501

DC-DC CONVERTER

IC1000

3

SW

2

IN

4

GND

1

BS

5

FB

6

COMP

7

EN

8

SS

0 . 1 u F
16V

C1056

READY

22uH

L1002

0 . 1 u F

16V

C1057

SMAW200-24C

EAG42050901

P1000

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

FAIRCHILD

KA7809ERTM

EAN32662801

VOLTAGE REGULATOR

IC1003

2

G

3

O

1

I

4 . 7 u F

C1058

2012

4 . 7 u F

C1059

4 2 , 4 7

3.3K
1%

R1008

ROHM

RTR030P02

Q1001

S

D

G

ROHM

BA18DD0WHFP

EAN42830901

IC1002

1

CTL

2

VCC

3

GND

4

VOUT

5

NC

JP15

JP16

JP17

JP18

JP19

JP20

JP21

JP22

JP23

JP24

470uF
16V

C1024

3.9K

R1001

0

R1006

3.9K

R1002

3.9K

R1003

22uF
16V

C1911

0

R1618

0

R1619

22uF
16V

C1912

0

R1620

0

R1621

0 . 1 u F
16V

C1913

READY

100uF
16V

C1040

100uF

16V

C1054

100uF
16V

C1055

2SC3875S

Q1000-*1

TRNPN_KEC

E

B

C

2012

1K

C1059-*1

32,37

S t a n d b y   V o l t a g e  

  O v e r   c u r r e n t   p r o t e c t i o n   c a n   b e   o p e r a t e d

12V Line

L o c a t e   c l o s e   t o   t h e   T U N E R

[ R 1 0 0 8 ]

  3 . 6 K   :   1 . 2 6 V
  3 . 3 K   :   1 . 2 2 V

  3 . 0 K   :   1 . 9 9 V

ECO No.18

Summary of Contents for 42LG6000-ZA

Page 1: ...V SERVICE MANUAL CAUTION BEFORE SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD89F MODEL 42LG6000 42LG6000 ZA 42LG6100 42LG6100 ZB website http biz LGservice com Internal Use Only ...

Page 2: ...cs Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 13 TROUBLE SHOOTING 15 BLOCK DIAGRAM 22 EXPLODED VIEW 23 SVC SHEET ...

Page 3: ...afe to operate without 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 ter...

Page 4: ...ge on your body by touching a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed to prevent potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic char...

Page 5: ... the solder joints of the two original leads If they are not shiny reheat them and if necessary apply additional solder Fuse and Conventional Resistor Removal Replacement 1 Clip each fuse or resistor lead at top of the circuit board hollow stake 2 Securely crimp the leads of replacement component around notch at stake top 3 Solder the connections CAUTION Maintain original spacing between the repla...

Page 6: ... D K B G I SECAM 2 Receivable Broadcasting System 1 PAL SECAM B G EU PAL Market 2 PAL SECAM D K 3 PAL I II 4 SECAM L L 5 DVB T 3 RF Input Channel VHF E2 E12 PAL UHF E21 E69 CATV S1 S20 HYPER S21 S47 4 Input Voltage AC 100 240 V 50Hz 60Hz 5 Picture Size 37 inch 37LG6000 42LG6000 47LG6000 42 inch 47 inch 6 Tuning System FVS 100 program PAL 200 PR Option 7 Operating Environment 1 Temp 0 40 deg LGE SP...

Page 7: ...2Hz 42 inch H 121 8 136 4Khz V 108 2 121 2Hz 47 inch 3 Power consumption 37 inch 10 76 132 W LCD Backlight 42 inch 9 4 Max 160 8 Typ W 47 inch TBD 240 Max W 4 LCD Module LPL Type Size 37 877 x 516 8 x 55 5 mm H x V x D 42 983 0 x 576 0 x 47 3 47 1096 0 x 640 0 x 50 Pixel Pitch 37 0 42675 x 0 42675 mm 42 0 4845 x 0 4845 47 0 5415 x 0 5415 Pixel Format 1920 horiz By 1080 vert 37 42 47 inch Pixels RG...

Page 8: ...R 47 TBD 1500 4 CIE Color Coordinates White WX Typ 0 279 Typ 37 inch WY 0 03 0 292 0 03 RED Xr 0 641 Yr 0 334 Green Xg 0 291 Yg 0 614 Blue Xb 0 145 Yb 0 062 White WX Typ 0 279 Typ 42 inch WY 0 03 0 292 0 03 RED Xr 0 640 Yr 0 335 Green Xg 0 289 Yg 0 610 Blue Xb 0 144 Yb 0 066 White WX Typ 0 279 Typ 47 inch WY 0 03 0 292 0 03 RED Xr 0 636 Yr 0 334 Green Xg 0 291 Yg 0 613 Blue Xb 0 146 Yb 0 061 1 Sta...

Page 9: ...76 15 625 50 00 SDTV DVD 625 Line 6 720x576 31 25 50 00 HDTV 576p 7 1280x720 45 00 60 00 HDTV 720p 8 1280x720 44 96 59 94 HDTV 720p 9 1280x720 37 50 50 HDTV 720p 50Hz 10 1920x1080 31 25 50 00 HDTV 1080i 11 1920x1080 33 75 60 00 HDTV 1080i 12 1920x1080 33 72 59 94 HDTV 1080i 13 1920x1080 56 25 50 00 HDTV 1080P 14 1920x1080 67 433 59 94 HDTV 1080P 15 1920x1080 67 50 60 HDTV 1080P 6 RGB Input PC No R...

Page 10: ...0Hz HDCP 10 1920x1080 33 72 59 94 74 176 HDTV 1080i 60Hz HDCP 11 1920x1080 33 75 60 74 250 HDTV 1080i 60Hz HDCP 12 1920x1080 27 000 24 00 74 250 HDTV 1080P 24Hz HDCP 13 1920x1080 33 750 30 74 25 HDTV 1080P 30Hz HDCP 14 1920x1080 56 25 50 00 148 500 HDTV 1080P 50Hz HDCP 15 1920x1080 67 433 59 94 148 352 HDTV 1080P 60Hz HDCP 16 1920x1080 67 50 60 148 500 HDTV 1080P 60Hz HDCP 8 HDMI input DTV No Reso...

Page 11: ...1 mm Tilt Degree Tilt force Swivel Degree Swivel 20degree Swivel Force 1 0 2 0kgf 5 Appearance Refer to Standard of LG 56 G4 9002 No Item Content Remark 1 Product Dimenson Width W Length D Height H Unit Before Packing 1037 6 378 795 mm After Packing 1330 257 844 mm 2 Product Weight Only SET 22 7 Kg With Box 27 2 Kg 3 Container Loading Quantity Individual or 40ft 40ft H CUBIC Palletizing Indi Woode...

Page 12: ...52 8 434 5 867 6 mm After Packing 1255 521 961 mm 2 Product Weight Only SET 32 6 Kg With Box 37 Kg 3 Container Loading Quantity Individual or 40ft 40ft H CUBIC Palletizing Indi Wooden Indi Woonden 82 82 4 Stand Assy Type Attachde detachable Size W x D x H 580 434 5 286 2 mm Tilt Degree Tilt force Swivel Degree Swivel 20degree Swivel Force 1 5 1 9kgf 5 Appearance Refer to Standard of LG 56 G4 9002 ...

Page 13: ...d press ENTER V 4 Select White by using F G VOL and press ENTER V Set is activated HEAT run without signal generator in this mode Single color pattern RED BLUE GREEN of HEAT RUN MODE uses to check panel Caution If you turn on a still pattern 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 adjustmen...

Page 14: ...lor Analyzer s Prove vertically 80 100 3 Aging time After aging start keep the power on no suspension of power supply and heat run over 15 minutes Using no signal or full white pattern or the others check the back light on 6 Manual white Balance 1 Press the ADJ KEY on Adjustment R C Select 3 Test Pattern by using D E CH and press ENTER V Select White by using F G VOL and press ENTER V and heat run...

Page 15: ...oes not the INV 24V voltage output comes out Yes Yes Is it identical with power off condition 1 Check the Power off condition Yes Does not the St by 5V P 5V signal comes out Yes Does not the VSC signal INV_CTL comes out Yes Manufacture enterprise meaning of a passage No 6 Check the VSC low Voltage output Yes Does not the AC Detect signal comes out Does not the RL_ON PWR_ON OFF comes out Does not t...

Page 16: ...wer board Yes Connect the AC INLET No Are the fuses F100 F101 or F700 OK on the power board Yes Replace the fuses No Symptom 1 It does not charge at module 2 Front LED does not work Check the followings Is the power board connected with VSC Board though a cable Connect a cable No Yes Yes 2 No Power Measure output voltages 16V 12V 5V on the power board If the measured values are not a proper value ...

Page 17: ...intains the condition with the front LED is white Check the followings Does Module control signal OK No Yes Is the Inverter OK Is Low High voltage outputs properly except stand by 5V No Replace the Power board No Check the LCD Module Yes Is the LVDS cable OK Reconnect the LVDS cable in P501 or P502 No Yes Is the IC100 FLI106X0H Output normal Replace the VSC No 3 No Raster ...

Page 18: ...C 2008 18 Copyright LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 19: ...ollowings Is the input voltage and CVBS output for the tuner OK Is the tuner OK In case of abnormal display on the screen when RF mode Is the RF cable connected with TV set Connect the RF cable Replace the tuner Is IC100 FLI106X0H OK Is the IIC communication waveform between the tuner and IC100 OK Replace IC100 FLI106X0H No Yes No No No No Yes Block A In the case of abnormal display on the screen ...

Page 20: ... on the screen when HDMI1 2 3 mode Is the HDMI switch IC200 OK Is the TMDS waveform between the IC and HDMI jacks OK Replace IC200 No No Yes Is video input of the AV JK100 JK101 JK103 OK Yes No Check the input source Is R G B input and H V sync of the JK102 P101 OK Yes No Check the input source Same as Block A Same as Block A In the case of abnormal display on the screen when HDMI4 mode Is the HDM...

Page 21: ...ker turned on No Set the output speaker on Download the EDID data No Is a speaker cable connected No Connect the speaker cable Yes Yes Is Only RF no sound No Check the tuner SIF AM Audio Input IC603 is OK No Replace IC603 MSP4458 Yes IC600 is OK No Replace IC600 NTP3000A Yes Replace VSC board Yes 5 In case of no sound Symptom 1 LED is green 2 Screen display but sound is not output Check follow ...

Page 22: ...C 2008 Copyright LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 22 BLOCK DIAGRAM ...

Page 23: ...ght LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 25 EXPLODED VIEW 300 200 801 400 901 900 540 820 530 580 810 120 500 121 560 510 803 804 570 840 520 830 805 802 ...

Page 24: ... _HDMI1 CK _HDMI2 DDC_SCL_2 CK _HDMI1 D1 _HDMI1 D0 _HDMI3 D0 _HDMI1 CK _HDMI2 CK _HDMI1 DDC_SDA_1 D2 _HDMI2 D0 _HDMI3 DDC_SCL_1 D1 _HDMI2 D2 _HDMI1 D2 _HDMI2 D2 _HDMI3 DDC_SCL_3 DDC_SCL_1 DDC_SDA_1 DDC_SCL_2 DDC_SDA_2 DDC_SCL_3 DDC_SDA_3 HDMI 2 HDMI 1 HDMI SW SIDE HDMI 4 HDMI 3 33 R307 33 R302 33 R300 33 R304 33 R303 270pF C316 READY 33 R306 33 R305 33 R308 33 R310 33 R301 FE_RESET 3 3V_TUNER 1 8V...

Page 25: ...M2 A10 AP K2 CKE R7 NC6 M7 A2 N7 A6 M8 A0 J1 VDDL K3 WE E8 LDQS P7 A11 K9 ODT A2 NC1 N2 A3 P2 A7 H8 VSSQ1 F7 LDQS A8 UDQS R2 A12 L8 CS E2 NC2 E7 VSSQ5 D8 VSSQ6 D2 VSSQ7 A7 VSSQ8 B8 VSSQ9 B2 VSSQ10 P9 VSS1 N1 VSS2 J3 VSS3 E3 VSS4 A3 VSS5 G9 VDDQ1 G7 VDDQ2 G3 VDDQ3 G1 VDDQ4 E9 VDDQ5 C9 VDDQ6 C7 VDDQ7 C3 VDDQ8 C1 VDDQ9 A9 VDDQ10 R1 VDD1 M9 VDD2 J9 VDD3 E1 VDD4 A1 VDD5 B9 DQ15 B1 DQ14 D9 DQ13 D1 DQ12 ...

Page 26: ...AF5 VDAC_AVDD33_3 AF6 CVSS_1 D26 CVSS_2 D28 CVSS_3 E24 CVSS_4 E26 CVSS_5 E28 CVSS_6 G24 CVSS_7 G26 CVSS_8 G27 CVSS_9 J24 CVSS_10 J26 CVSS_11 J28 CVSS_12 L13 CVSS_13 L14 CVSS_14 L15 CVSS_15 L16 CVSS_16 L24 CVSS_17 L26 CVSS_18 L28 CVSS_19 M13 CVSS_20 M14 CVSS_21 M15 CVSS_22 M16 CVSS_23 N11 CVSS_24 N12 CVSS_25 N13 CVSS_26 N14 CVSS_27 N15 CVSS_28 N16 CVSS_29 N17 CVSS_30 N18 CVSS_31 N19 CVSS_32 N27 CVS...

Page 27: ...Jan 2008 Printed in Korea P NO MFL41557601 ...

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