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Copyright © 2008 LG Electronics. Inc. All right reserved. 
Only for training and service purposes

LGE Internal Use Only

3.3K

R127

+3.3V_CI

470

R144

3.9K

R166

V_SYNC_PC

3.3uH

L100

1000pF

C106

READY

REC_8_CTRL1

ATMEL

AT24C02BN-10SU-1.8

0IMMRAL014D

EEPROM

IC102

3

A2

2

A1

4

GND

1

A0

5

SDA

6

SCL

7

WP

8

VCC

D119

330

R146

D126

H_SYNC_PC

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.

10K

R101

1000pF

C111

READY

COMP_Y

27K

R152

1K

R143

75

1%

R109

1000pF

C101

30V

D123

4.7K

R176

GND

220K

R1092

COMP_LIN

D100

READY

0

READY

R1089

P_+5V

47

R133

10K

R1099

30V

D129

75

1%

R171

1K

R115

1K

R148

0.1uF
16V

C118

75

R174

+3.3V_CI

2SC3052

Q105

E

B

C

D110

READY

2SC3052

Q107

E

B

C

1/10W

4.7K

R191

10K

R188

SCART1_G

2SC3052

Q104

E

B

C

12pF

C129

1000pF

C109

READY

D135

P_+12V

2SC3052

Q106

E

B

C

1000pF

C102

1K

R149

SIDE_RIN

12K

R1098

D111

READY

SCART1_R

30V

D113

0.1uF

C135

COMP_LINK

330

R147

75

1%

R106

75

1%

R100

75

R163

TUNER_VOUT

10K

R1090

SCART1_ID

2SC3052

Q103

E

B

C

6.8K

R169

D109

READY

1K

R194

30V

D112

75

R168

75

1%

R108

D131

220K

R116

TV_ROUT

SCART1_VIN

RGB_LINK

D108

READY

1K

R193

100

R1082

27K

R153

SIDE_CVBS_LINK

0

READY

R196

1K

R134

75

R104

TV_LOUT

10K

R1085

DTV/MNT_LOUT

75

1%

R102

SCART1_RIN

+3.3V_CI

D103

READY

10K

R145

1K

R189

75

1%

R105

D127

75

1%

R172

30V

D107

READY

470K

R110

1K

R137

SCART2_LIN

VGA_B

30V

D104

READY

D134

0.1uF
16V

C124

0.1uF
16V

C115

220K

R125

SCART1_LINK

18K

R132

470K

R119

5pF

C105

D128

D118

COMP_RIN

75

1%

R173

SCART1_B

100

R1081

D124

+3.3V_CI

5pF

C110

SCART2_RIN

30V

D106

READY

SCART1_FB

220uF
16V

C104

REC_8_CTRL2

10uF
16V

C119

47K

R122

470K

R117

SCART2_LINK

D121

75

R111

5pF

C112

10K

R142

+3.3V_CI

30V

D105

READY

D125

DTV/MNT_VOUT

0.1uF
16V

C132

SCART2_ID

D120

18K

R107

100

R1094

220K

R118

+5V

1000pF

C108

READY

5pF

C107

100

R199

1K

R182

+3.3V_CI

330

R112

30V

D102

READY

2SC3052

Q100

E

B

C

1000pF

C100

2SC3052

Q101

E

B

C

470K

R124

COMP_Pb

D122

1000pF

C103

1K

R183

4.7K

R175

3.3uH

L103

+3.3V_CI

6.8K

R170

82

R151

PHILIPS

74HC14D

0IPH741400E

INVERTER

IC103

3

2A

2

1Y

4

2Y

1

1A

6

3Y

5

3A

7

GND

8

4Y

9

4A

10

5Y

11

5A

12

6Y

13

6A

14

VCC

3.9K

R165

220K

R114

30V

D101

READY

12pF

C130

VGA_R

D132

220K

R162

330

R120

VGA_G

3.3uH

L101

0

R198

P_+12V

0.1uF

C134

1K

R150

SCART1_LIN

0.1uF

C133

D133

DTV/MNT_ROUT

220K

R1093

0

R1096

SIDE_LIN

220K

R161

3.3uH

L102

SCART2_VIN

COMP_Pr

3.9K

R1088

3.9K

R1091

47K

R103

470K

R113

0

R159

READY

6.8K

R1083

6.8K

R1084

UCOM_TX

READY

D114

UART_SEL

READY

D117

DEBUG_RX

READY

D116

DEBUG_TX

ON SEMICONDUCTOR

NLASB3157DFT2G

EAN38256201

ANALOG SWITCH

IC101

3

B0

2

GND

4

A

1

B1

6

SELECT

5

VCC

UCOM_RX

READY

D115

TEXAS

MAX3232CDR

EAN41348201

IC104

3

C1-

2

V+

4

C2+

1

C1+

6

V-

5

C2-

7

DOUT2

8

RIN2

9

ROUT2

10

DIN2

11

DIN1

12

ROUT1

13

RIN1

14

DOUT1

15

GND

16

VCC

10K

R164

1K

R167

10K

R1095

1K

R1087

0.1uF

C123

0.1uF

C121

0.1uF

C122

0.1uF

C120

100

R177

100

R178

100

R179

100

R180

100

R181

KCN-DS-1-0089

P101

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

KCN-DS-1-0088

P100

1

2

3

4

5

6

7

8

9

10

0

R1080

P_+5V

D_SUB_SCL

D_SUB_SDA

1K

R128

1K

R123

1K

R126

1K

R131

22

R184

22

R185

22

R186

4.7pF

READY

C126

4.7pF

READY

C127

4.7pF

READY

C128

0

R1079

4.7pF

C136

READY

PPJ218-01

JK103

5C

[RD]CONTACT

2C

[RD]U_CAN

4C

[RD]O_SPRING

2B

[WH]U_CAN

3B

[WH]C_LUG

2A

[YL]U_CAN

5A

[YL]CONTACT

4A

[YL]O_SPRING

KDS184

D137

A2

C

A1

2SA1530A-T112-1R

Q102

E

B

C

D138

SIDE_S_SW

75

1%

R157

0

R130

4.7K

R129

D140

75

1%

R195

D139

SIDE_CIN

SIDE_YIN/SIDE_VIN

+3.3V_CI

PSJ018-01

JK105

1

GND_TER

2

C_LUG_S1

3

C_LUG_L1

6

NC1

7

COM1

8

NO1

9

NC2

1 0

COM2

1 1

NO2

12

SHIELD

4

C_LUG_S2

5

C_LUG_L2

PPJ209-03

JK102

4A [GN]CONTACT

2A

[GN]1P_CAN

3A

[GN]O_SPRING

2B

[BL]1P_CAN

5B

[BL]C_LUG_L

2C

[RD]1P_CAN1

5C

[RD]C_LUG_L

2D

[WH]1P_CAN

5D [WH]C_LUG_L

2E

[RD]1P_CAN2

4E [RD]CONTACT

3E

[RD]O_SPRING

JP1

JP2

JP3

JP4

JP5

JP6

JP7

JP8

JP9

JP10

JP11

JP12

JP13

JP14

JP15

JP16

JP17

JP18

JP19

JP20

JP21

JP22

JP23

JP24

JP25

JP26

JP27

JP28

JP29

JP30

JP31

JP32

JP33

JP34

JP35

JP36

JP37

JP38

JP39

JP40

JP41

PSC003-03

JK100

1

AUDIO_R_OUT

2

AUDIO_R_IN

3

AUDIO_L_OUT

4

AUDIO_GND

5

B_GND

6

AUDIO_L_IN

7

B_OUT

8

ID

9

G_GND

10

D2B_IN

11

G_OUT

12

D2B_OUT

13

RED_GND

14

RGB_GND

15

R_OUT

16

RGB_IO

17

SYNC_GND1

18

SYNC_GND2

19

SYNC_OUT

20

SYNC_IN

21

COM_GND

22

SHIELD

PSC003-03

JK101

1

AUDIO_R_OUT

2

AUDIO_R_IN

3

AUDIO_L_OUT

4

AUDIO_GND

5

B_GND

6

AUDIO_L_IN

7

B_OUT

8

ID

9

G_GND

10

D2B_IN

11

G_OUT

12

D2B_OUT

13

RED_GND

14

RGB_GND

15

R_OUT

16

RGB_IO

17

SYNC_GND1

18

SYNC_GND2

19

SYNC_OUT

20

SYNC_IN

21

COM_GND

22

SHIELD

JP63

JP64

JP81

JP82

ROHM

RTR030P02

Q108

S

D

G

+3.3V_STBY

1uF

C137

47K

R9001

2SC3052

Q109

E

B

C

0.1uF

C125

DEEP_STAND_BY

GPROBE_TX

GPROBE_RX

4.7K

R

1

3

5

100

R154

100

R158

100

R156

100

R155

0

R190

READY

10K

R197

10K

R187

0.1uF
16V

C131

DS_VS

D_SUB_SCL

D_SUB_SDA

DS_HS

Full SCART 1

Half SCART 2

Rear AV3

5.19V / 10.91V_1Kohm(LOAD)

[SCART PIN8]

4.89V / 9.09V_120ohm(LOAD)

Y

R

Pr

Pb

L

COMPONENT

9.G_GND

3.BLU

7.GNC

4.NC

5.DDC_GND

11.RGB Input

12.SDA

13.HSYNC

2.GRN

1.RED

11.GND

14.VSYNC

15.SCL

8.B_GND

6.SYNC_GND

10.R_GND

07.12.12

1

10

LG70

External Jack

PCB No : EAX43060101(0)

Model  : LG70

ATN + FRC one Board

1 : Data carrier detect

2 : RX
3 : TX

4 : DTR(Data terminal ready

5 : GND

6 : DSR(Data set ready)

7 : RTS(Request to send)

8 : CTS(Clear to send)
9 : RI(Ring indicator)

RS-232C Input

[DTV Vout 6dB TR AMP]

[PC SYNC]

For Deep stand By

Active Low When Deep stand by mode

Default High

270pF

C316

READY

FE_RESET

+3.3V_TUNER

+1.8V

SCL1_5V

S I F

TU_MAIN

TUNER_VOUT

AM_AUDIO

AGC_SPEED_CTL

BOOSTER

FE_TS_DATA_VAL

SCL2_3.3V

GND

0 . 0 1 u F

C313

10K

R335

10

R332

2.2K

R333

10K

R334

2SC3052

Q301

E

B

C

2SC3052

Q305

E

B

C

2SC3052

Q306

E

B

C

SDA2_3.3V

+5V_TUNER

+5V_TUNER

SDA1_5V

0 . 1 u F

16V

C305

0 . 1 u F
16V

C304

100pF
50V

C302

4700pF

C309

4700pF

C311

0 . 0 1 u F

C310

47

R313

47

R314

1K

R320

0

R318

4.7K

R315

1K

R326

0 . 1 u F
16V

C303

0 . 1 u F
16V

C307

100pF
50V

C306

1K

R328

READY

1K

R323

READY

0

R327

0

R322

FE_TS_DATA[0-7],FE_TS_DATA_CLK,FE_TS_DATA_VAL,FE_TS_DATA_SYN

100

R330

MLB-201209-0120P-N2

L300

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.

220uF
16V

C318

100

R311

100

R312

82

R317

470

R316

0 . 1 u F

16V

C312

270

1%

R324

330

1%

R325

0

R336

2SA1530A-T112-1R

Q300

2SA1530A-T112-1R

Q304

E

B

C

2SA1530A-T112-1R

Q302

E

B

C

2SA1530A-T112-1R

Q303

E

B

C

33

R303

33

R309

33

R305

33

R304

33

R306

33

R300

33

R302

33

R307

33

R301

33

R310

33

R308

100uF
16V

C315

+5V_TUNER

+5V_TUNER

+5V_TUNER

+5V_TUNER

4 . 7 u F

10V

C320

0 . 1 u F

C319

22uF

C322

22uF

C321

30V

ZD300

TDFV-G135D1

EBL42367001

TU300

TUNER

1

ANT[5V]

2

BB[CTR]

3

GND_1

4

+B[5V]

5

NC_1

6

RF_AGC

7

TP[VT]

8

NC_2

9

GND_2

10

SDA_T

11

SCL_T

12

AIF_1

13

AIF_2

14

NC_3

15

VIDEO

16

AUDIO

17

SIF

18

SDA

19

SCL

20

RST

21

3.3V

22

1.8V

23

ERR

24

MCL

25

D7

26

D6

27

D5

28

D4

29

D3

30

D2

31

D1

35

SHIELD

32

D0

33

VAL

34

SYNC

+5V_TUNER

47K

READY

R337

220uF
16V

C301

FE_TS_DATA_CLK

FE_TS_DATA_SYN

FE_TS_DATA_VAL

FE_TS_DATA[0]

FE_TS_DATA[1]

FE_TS_DATA[2]

FE_TS_DATA[3]

FE_TS_DATA[4]

FE_TS_DATA[5]

FE_TS_DATA[6]

FE_TS_DATA[7]

 (USE ONLY FOR SECAM)

 OPTION: RF AGC 

Douglas

10

3

TUNER

T u n e r   P L L   :   0 x C 2

A n a l o g   T u n e r   :   0 x 8 6

D i g i t a l   T u n e r   :   0 x 1 C

0 . 1 u F

50V

C201

HP_DET_S/W_3

0 . 1 u F

50V

C200

5V_HDMI_1

HP_DET_S/W_1

5V_HDMI_3

0 . 1 u F
50V

C215

5V_HDMI_4

DDC_SDA_4

DDC_SCL_4

CEC_REMOTE

CEC_REMOTE

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.

5V_HDMI_1

0

READY

R216

0

R215

READY

+5V

0IMMRAL014D

EEPROM

ATMEL

AT24C02BN-10SU-1.8

IC203

3

A2

2

A1

4

GND

1

A0

5

SDA

6

SCL

7

WP

8

VCC

33K

R222

CEC_0

+5V

CEC_REMOTE

HDMI3_5V_DET

0 . 1 u F

C216

33K

R211

0 . 1 u F

C212

BSS83

Q200

S

B

D

G

KDS184
D202

A2

C

A1

10K

R212

+3.3V_STBY

0 . 1 u F

C213

KDS184
D203

A2

C

A1

10K

R210

READY

D200

+5V

0IMMRAL014D

EEPROM

ATMEL

AT24C02BN-10SU-1.8

IC201

3

A2

2

A1

4

GND

1

A0

5

SDA

6

SCL

7

WP

8

VCC

HDMI1_5V_DET

KDS184
D204

A2

C

A1

0IMMRAL014D

EEPROM

ATMEL

AT24C02BN-10SU-1.8

IC202

3

A2

2

A1

4

GND

1

A0

5

SDA

6

SCL

7

WP

8

VCC

5V_HDMI_3

33K

R213

33K

R220

10K

R219

HDMI2_5V_DET

HDMI4_5V_DET

0 . 1 u F

50V

C202

5V_HDMI_2

CEC_REMOTE

HP_DET_S/W_2

0IMMRAL014D

EEPROM

ATMEL

AT24C02BN-10SU-1.8

IC204

3

A2

2

A1

4

GND

1

A0

5

SDA

6

SCL

7

WP

8

VCC

+5V

0 . 1 u F

C214

KDS184
D205

A2

C

A1

5V_HDMI_2

TXCLK_BUF-

TX

TX0_BUF-

TX1_BUF-

TX2_BUF-

10K

R221

HP_DET_S/W_4

5V_HDMI_4

0.1uF

C203

+3.3V_CI

4.7K

R229

TX2_SW-

HDMI_SEL2

4.7K

R230

TX1_SW-

SCL_HDMI_SW

TX0_SW-

SDA_HDMI_SW

HDMI_SW_EQ

+5V

+3.3V_CI

T

0.1uF

C204

TXCLK_SW-

HDMI_SEL1

0

R223

0.1uF

C205

0.1uF

C206

0.1uF

C207

0.1uF

C208

0.1uF

C209

0.1uF

C210

0.1uF

C211

1/10W

0

R231

1K

R236

22

R207

22

R208

22

R205

22

R204

22

R202

22

R201

22

R238

22

R237

56K

R214

47K

R218

18K

R239

18K

R244

18K

R240

18K

R245

18K

R241

18K

R246

18K

R242

18K

R247

1K

R200

1K

R203

1K

R206

MMBD301LT1G

30V

D201

0

R250

0

R251

0

R249

0

R248

TEXAS INSTRUMENTS

TMDS351PAG

EAN41347201

DVI/HDMI SWITCH

IC200

1

SDA3

2

SCL3

3

GND_1

4

B31

5

A31

6

VCC_1

7

B32

8

A32

9

GND_2

10

B33

11

A33

12

VCC_2

13

B34

14

A34

15

GND_3

16

VSADJ

17

Y4

18

Z4

19

VCC_3

20

Y3

21

Z3

22

GND_4

23

Y2

24

Z2

25

VCC_4

26

Y1

27

Z1

28

GND_5

29

SCL_SINK

30

SDA_SINK

31

HPD_SINK

32

S1

33

S2

34

EQ

35

HPD1

36

SDA1

37

SCL1

38

B11

39

A11

40

VCC_5

41

B12

42

A12

43

GND_6

44

B13

45

A13

46

VCC_6

47

B14

48

A14

49

VDD

50

HPD2

51

SDA2

52

SCL2

53

B21

54

A21

55

VCC_7

56

B22

57

A22

58

GND_7

59

B23

60

A23

61

VCC_8

62

B24

63

A24

64

HPD3

QJ41193-FEE2-7F

JK203

1

D2+

2

D2_GND

3

D2-

4

D1+

5

D1_GND

6

D1-

7

D0+

8

D0_GND

9

D0-

10

CK+

11

CK_GND

12

CK-

13

CE_REMOTE

14

NC

15

DDC_CLK

16

DDC_DATA

17

GND

18

5V

19

HP_DET

20

GND

21

GND

22

GND

QJ41193-FEE2-7F

JK202

1

D2+

2

D2_GND

3

D2-

4

D1+

5

D1_GND

6

D1-

7

D0+

8

D0_GND

9

D0-

10

CK+

11

CK_GND

12

CK-

13

CE_REMOTE

14

NC

15

DDC_CLK

16

DDC_DATA

17

GND

18

5V

19

HP_DET

20

GND

21

GND

22

GND

QJ41193-FEE2-7F

JK201

1

D2+

2

D2_GND

3

D2-

4

D1+

5

D1_GND

6

D1-

7

D0+

8

D0_GND

9

D0-

10

CK+

11

CK_GND

12

CK-

13

CE_REMOTE

14

NC

15

DDC_CLK

16

DDC_DATA

17

GND

18

5V

19

HP_DET

20

GND

21

GND

22

GND

4.7K

R209

47K

R6015

READY

47K

R6016

READY

47K

R6017

READY

47K

R6018

READY

J P 6 9

J P 7 0

J P 7 1

J P 7 2

J P 7 3

J P 7 4

J P 7 5

J P 7 6

J P 7 7

J P 7 8

J P 7 9

J P 8 0

K J A - E T - 0 - 0 0 3 2  

JK204

14

NC

13

CEC

5DATA1_SHIELD

20

JACK_GND

12

CLK-

11

CLK_SHIELD

2DATA2_SHIELD

19 HPD

18

+5V_POWER

10CLK+

17

DDC/CEC_GND

9 DATA0-

8DATA0_SHIELD

3 DATA2-

16

SDA

6 DATA1-

15

SCL

BU16027KV

IC200-*1

HDMI S/W_rohm

1

SDA3

2

SCL3

3

GND_1

4

B31

5

A31

6

VCC_1

7

B32

8

A32

9

GND_2

10

B33

11

A33

12

VCC_2

13

B34

14

A34

15

GND_3

16

VSADJ

17

Y4

18

Z4

19

VCC_3

20

Y3

21

Z3

22

GND_4

23

Y2

24

Z2

25

VCC_4

26

Y1

27

Z1

28

GND_5

29

SCL_SILK

30

SDA_SILK

31

HPD_SILK

32

S1

33

S2

34

RESERVE1

35

HPD1

36

SDA1

37

SCL1

38

B11

39

A11

40

VCC_5

41

B12

42

A12

43

GND_6

44

B13

45

A13

46

VCC_6

47

B14

48

A14

49

RESERVE2

50

HPD2

51

SDA2

52

SCL2

53

B21

54

A21

55

VCC_7

56

B22

57

A22

58

GND_7

59

B23

60

A23

61

VCC_8

62

B24

63

A24

64

HPD3

MMBD301LT1G

30V

D206

CK-_HDMI3

CK+_HDMI3

D0-_HDMI3

D0+_HDMI3

D1-_HDMI3

D1+_HDMI3

D2-_HDMI3

D2+_HDMI3

CK-_HDMI1

CK+_HDMI1

D0-_HDMI1

D0+_HDMI1

D1-_HDMI1

D1+_HDMI1

D2-_HDMI1

D2+_HDMI1

CK-_HDMI2

CK+_HDMI2

D0-_HDMI2

D0+_HDMI2

D1+_HDMI2

D2-_HDMI2

D2+_HDMI2

D1-_HDMI2

DDC_SDA_3

D1-_HDMI2

D1+_HDMI3

D0+_HDMI2

DDC_SDA_2

CK+_HDMI3

D0+_HDMI1

D0-_HDMI2

D2+_HDMI3

D1-_HDMI1

D1-_HDMI3

CK-_HDMI3

D2+_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

Douglas

10

2

HDMI

HDMI 2

HDMI 1

HDMI SW

SIDE HDMI 4

HDMI 3

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

+5V_CI

0 . 1 u F
16V

C1042

+3.3V_STBY

PANEL_ERROR_DET

+1.8V

0 . 1 u F
16V

C1046

KIA78R05F

IC1005

1

VIN

2

VC

3

VOUT

4

NC

5

GND1

6

GND2

P_+16V

1.26V_DOUGLAS_EN

0 . 1 u F
50V

C1028

+3.3V_TUNER

0 . 1 u F

16V

C1034

KIA7805AF

IC1008

2

C

3

O

1

I

220uF

16V

C1001

0 . 1 u F
16V

C1049

120-ohm

L1003

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

120-ohm

L1004

100

R1014

+1.2V_DOUGLAS_D

P_+12V

0 . 1 u F
16V

C1044

+5V_TUNER

4.7K

R1017

P_+5V

+3.3V_DOUGLAS

3.3V_EN

0 . 1 u F
16V

C1033

0 . 1 u F
16V

C1011

P_+12V

CI_EN

AC_DET

1.8V_DOUGLAS_EN

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

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

C1055

100uF

16V

C1054

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

C1053

READY

100uF
16V

C1040

VBR_A

0 . 1 u F

50V

C1038

1uF

C1035

2SC3052

Q1000

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

AZ1117H-1.8TRE1(EH13A)

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

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

KA7809ERTM

IC1003

2

G

3

O

1

I

4 . 7 u F

C1908

4 . 7 u F

C1909

0

R1019

ROHM

RTR030P02

Q1001

S

D

G

ROHM

BA18DD0WHFP

EAN42830901

IC1002

1

CTL

2

VCC

3

GND

4

VOUT

5

NC

3.9K

R1026

470uF
16V

C1024

J P 5 2

J P 5 3

J P 5 4

J P 5 5

J P 5 6

J P 5 7

J P 5 8

J P 5 9

J P 6 0

J P 6 1

J P 6 2

22uF
16V

C9019

22uF
16V

C9020

0 . 1 u F
16V

C9021

READY

0

R1005

AUO

220uF

16V

C1030

47K

R1020

2SC3052

Q1003

E

B

C

47K

R1021

1uF

C1059

ROHM

RTR030P02

Q1002

S

D

G

1K

R1022

0 . 1 u F

50V

C1058

3.9K

R1027

T1670

T1675

T1674

10uF
16V

C1060

T1672

10uF
16V

C1064

10uF
16V

C1062

10uF
16V

C1061

T1671

15K

1

%

R1024

T1676

12K

R1023

560pF
50V

C1063

8.2K

1

%

R1025

10K

R1000

10uF
6.3V

C1065

22uF
16V

C1066

P_+5V

P_+5V

47K

R1040

0

READY

R1001

0

R1002

AUO

2.2uH

L1002

BA33BC0WFP-E2 

EAN38066301

IC1001

1

2

3

4

5

BA33BC0WFP-E2 

IC1007

1

2

3

4

5

BA33BC0WFP-E2 

IC1004

1

2

3

4

5

BD9130EFJ-E2

IC1000

3

ITH

2

VCC

4

GND

1

ADJ

5

PGND

6

SW

7

PVCC

8

EN

47uF
25V

C1067

Douglas

10

10

POWER

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

5 . 0 V   F o r   o n l y   C . I .

1 2 V   L i n e

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

1 . 8 V   R e g u l a t o r   f o r   T U N E R

Standby Voltage to No Standby working 5V source

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

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

+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

+3.3V_OTP

+3.3V_DOUGLAS

2N3904S

Q901

E

B

C

+3.3V_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

+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_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 . 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

GPROBE_RX

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

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

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

10uF
6.3V

C901

READY

VBR_B

10uF
6.3V

C902

VBR_A

10uF
16V

C1901

0 . 1 u F

C1906

33uF
10V

C980

0

R958

0 . 1 u F
16V

C900

10uF
6.3V

C1902

READY

0 . 1 u F
16V

C964

0 . 1 u F
16V

C907

+3.3V_STBY

0

R967

READY

6.2K

1%

R929

1K

R914

1K

R915

6.8K

R918

LPL

0 . 1 u F

16V

C904

READY

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

R948

10K

R937

0 . 1 u F

C908

0 . 1 u F
16V

C910

12505WS-08A00

P902

ENGINEERING

1

2

3

4

5

6

7

8

9

TEXAS INSTRUMENT

TPS2042BDRG4

0ITI204200C

ANALOG SWITCH

IC902

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

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

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

R980

SCART1_FB

0 . 1 u F

C9001

SCART1_VIN

0 . 1 u F

C9000

0

R935

330uF
6.3V

C915

3.3K

R942

3.3K

R943

RTR030P02

Q900

S

D

G

0.1uF

C9004

0
R917

249

1%

R982

KRC103S

Q902

E

B

C

10K

R983

+3.3V_OTP

0 . 1 u F

C1907

100

R909

100

R908

10

R977

510

R978

SIDE_CIN

USBUP_DM

USBUP_DP

USB20_1_DM

USB20_1_DP

0.1uF

16V

C955

0

R6036

0

R6039

0

R6040

M24512-WMW6

EAN43349001

DOUGLAS_EEPROM_STM512K

IC901-*1

3

E2

2

E1

4

VSS

1

E0

5

SDA

6

SCL

7

WC

8

VCC

AT24C512BW-SH-T

EAN43352801

DOUGLAS_EEPROM_ATMEL512K

IC901-*2

3

A2

2

A1

4

GND

1

A0

5

SDA

6

SCL

7

WP

8

VCC

75

R981

75

R979

J P 8 3

J P 8 4

J P 8 5

J P 8 6

0

R6038

READY

0

R6037

READY

MIC2009YM6-TR 

IC903

3

ENABLE

2

GND

4

FAULT/

1

VIN

6

VOUT

5

ILIMIT

22uF
16V

C903

GPROBE_TX

47

R907

47

R906

+3.3V_CI

10K

R985

0R

9

8

9

J P 8 9

MLB-201209-0120P-N2

L910

30MHz

X900

1uF

C9012

0

R990

USBUP_DP

J P 8 8

USBUP_DM

0 . 1 u F

C9009

BLUE-DM

10uF
6.3V

C9011

0 . 1 u F

C9016

12pF

C9005

BLUE-DP

4 . 7 u F

C9017

0

R996

4 . 7 u F

C9006

0

R1901

0 . 1 u F

C9014

USB20_1_DM

39pF

C9008

J P 8 7

15

R984

33

R993

+5V

0

R995

USB20_1_DP

1uF

C9007

BLUE-DM

15K

R992

0

R

994

UPD720114GA-9EU-A

IC904

1

VDD25OUT

2

VSSREG

3

LED4

4

LED3

5

LED2

6

LED1

7

GREEN

8

AMBER

9

VDD33_1

10

X1

11

X2

12

VDD25_1

13

BUS_B

14

TEST

15

RREF

16

AVSS[R]

17

AVDD_1

18

AVSS

19

AVDD_2

20

VDD33_2

21

DMU

22

DPU

23

VSS_1

24

VDD25_2

25

DM1

26

DP1

27

VSS_2

28

DM2

29

DP2

30

VDD33_3

31

DM3

32

DP3

33

VDD25_3

34

DM4

35

DP4

36

VSS_3

37

SYSRSTB

38

PPB4

39

CSB4

40

PPB3

41

CSB3

42

VSS_4

43

PPB2

44

CSB2

45

PPB1

46

CSB1

47

VBUSM

48

VDD33REG

2.4K

R991

0

R987

MLB-201209-0120P-N2

L909

10K

R986

0R

9

9

8

0 . 1 u F

C9010

BLUE-DP

15

R999

0

R997

4 . 7 u F

C9013

0.1uF

C9015

0

R9000

+1.2V_DOUGLAS_D

+1.2V_DOUGLAS_D

+1.2V_DOUGLAS_D

JTP-1127WEM

SW900

1

2

4

3

BLUETOOTH_ON/OFF

RTR030P02

Q904

S

D

G

47K

R961

1uF

C9102

4.7K

R962

0

READY

R963

47K

R960

2SC3052
Q903

E

B

C

+5V

SMAW200-05

P903

1

2

3

4

5

USB20-OC1

USB20-PWE1

USB20_1_DP

Douglas

10

9

POWER, Fan

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

Содержание 32LG7000

Страница 1: ...SERVICING THE CHASSIS READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD88D MODEL 32LG7000 32LG7000 ZA North Latin America http aic lgservice com Europe Africa http eic lgservice com Asia Oceania http biz lgservice com Internal Use Only ...

Страница 2: ...ics Inc All right reserved Only for training and service purposes LGE Internal Use Only CONTENTS CONTENTS 2 PRODUCT SAFETY 3 SPECIFICATION 6 ADJUSTMENT INSTRUCTION 10 TROUBLE SHOOTING 14 BLOCK DIAGRAM 23 EXPLODED VIEW 33 SVC SHEET ...

Страница 3: ...o 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 terminal...

Страница 4: ... 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 charge...

Страница 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...

Страница 6: ... 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 20 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 No Item Specification Remark 1 Display Screen Device 31 5 inch Color T...

Страница 7: ... II 4 SECAM L L 5 DVB T 3 Receiving system Analog Upper Heterodyne Digital COFDM 4 Scart Jack 2EA PAL SECAM Scart 1 Jack is Full scart and support RF OUT Analog Scart 2 jack is Half scart and support MNT OUT 5 Video Input 1EA PAL SECAM NTSC Side AV 6 S Video Input 1EA PAL SECAM NTSC Side AV 7 Component Input 1EA Y Cb Cr Y Pb Pr 8 RGB Input RGB PC Analog D Sub 15Pin 9 HDMI Input 4EA HDMI PC HDMI1 D...

Страница 8: ...TV 720P 9 1280 720 37 50 50 00 74 25 HDTV 720P 50Hz 10 1920 1080 33 72 59 94 74 176 HDTV 1080I 11 1920 1080 33 75 60 00 74 250 HDTV 1080I 12 1920 1080 28 125 50 00 74 250 HDTV 1080I 50Hz 13 1920 1080 56 25 50 HDTV 1080P 14 1920 1080 67 5 60 HDTV 1080P 5 Component Video Input Y PB PR No Resolution H freq kHz V freq Hz Pixel clock MHz Proposed Remark 1 720 400 31 468 70 08 28 32 2 640 480 31 469 59 ...

Страница 9: ...n H freq kHz V freq Hz Pixel clock MHz Proposed 1 640 480 31 649 59 94 25 175 SDTV 480p 60Hz 2 640 480 31 469 60 25 20 SDTV 480p 60Hz 3 720 480 31 47 59 94 27 00 SDTV 480p 60Hz 4 720 480 31 50 60 27 027 SDTV 480p 60Hz 5 720 576 31 25 50 00 27 00 SDTV 576p 50Hz 6 1280 720 37 50 50 00 74 176 HDTV 720p 50Hz 7 1280 720 44 96 59 94 74 176 HDTV 720p 60Hz 8 1280 720 45 00 60 74 250 HDTV 720p 60Hz 9 1920 ...

Страница 10: ...PCB assembly adjustment method Caution Using power on button of the Adjustment R C power on TV ADC Calibration Protocol RS232 EDID data and Model option download RS232 Note 1 Note 2 Baud rate 115200 bps RS232 Host PC echo none 3 1 ADC adjustment Adjustment can be done using only internal ADC so input signal is not necessary Required equipment Adjustment R C 1 Press ADJ key on adjustment R C 2 Sele...

Страница 11: ...2D 01 1D 00 80 51 D0 1C 20 40 80 35 00 BC 0xB0 88 21 00 00 1E 8C 0A D0 8A 20 E0 2D 10 10 3E 96 0xC0 00 13 8E 21 00 00 18 02 3A 80 18 71 38 2D 40 58 0xD0 2C 45 00 06 44 21 00 00 1E 01 1D 80 18 71 1C 16 0xE0 20 58 2C 25 00 C4 8E 21 00 00 9E 4E 1F 00 80 51 0xF0 00 1E 30 40 80 37 00 BC 88 21 00 00 18 00 00 ⓔ MODEL NAME PRODUCT ID HEX EDID Table 32LG7000 30302 765E 5E76 37LG7000 30264 7638 3876 42LG700...

Страница 12: ...just CA 100 CA 210 by CS 1000 before measuring You should use Channel 9 which is Matrix compensated White Red Green Blue revised by CS 1000 and adjust in accordance with White balance adjustment coordinate Color temperature standards according to CSM and Module Change target luminance and range of the Auto adjustment W B equipment White balance adjustment coordinate and color temperature PC for co...

Страница 13: ... and display inside pattern 5 Control is carried out on three color temperatures COOL MEDIUM WARM Control is carried out three times Temperature COOL R Cut G Cut B Cut is set to 64 Gain of Fixed color should be kept on 192 and adjust other two lower than 192 Each gain is limited to 192 Temperature MEDIUM R Cut G Cut B Cut is set to 64 Gain of Fixed color should be kept on 192 and adjust other two ...

Страница 14: ..._by 5V signal circuit Yes 4 Check the AC detect signal circuit Yes No 5 Check the VSC RL_ON PWR_ON OFF signal No No No Does not low voltage output comes out Yes Does not the St by 5V P 5V signal comes out Does not the AC Detect signal comes out No Does not the RL_ON PWR_ON OFF comes out No Yes 7 Check the VSC INV_CTL signal Yes 8 Check the INV 24V voltage output circuit Manufacture enterprise mean...

Страница 15: ...t Plug the power cord in Is AC INLET Cable Red Blue connected with th PSU Connect the AC INLET Cable Yes No No Are the fuses OK on the PSU check open or short status with Multi meter Replace the fuse Yes No Is the PSU connected with Main Board though a 24pin cable Connect a 24p cable to PSU to Main P1000 pin Yes Measure output voltages 16V 12V 5V on the PSU Main P1000 pin1 2 16V pin 5 6 12V pin 9 ...

Страница 16: ... On status Lamp off Check inverter lamp On Of status Check LVDS Cable Replace the LVDS Cable NG NG NG Check Q501 L502 500 PANEL_Vcc_EN signal NG Recheck PSU 5V 12V 16V If not OK then replace PSU Replace PSU Check the PWM signal P1000 pin 22 21 Replace the Main B D NG Re App S W download If not OK then replace IC100 Check IC502 power block L1200 1 0V L1213 1 8V IC1204 3 3V IC1205 3 3V IC1206 1 2V N...

Страница 17: ...eck ATV sound signal 1 Sound signal SIF R317 SECAM L sound R326 NG DTV Check sound processor 1 IC603 pin50 for SIF RF sound 2 IC603 pin47 for SECAM L sound Check App S W If App S W OK then replace IC603 Check Digital AMP 1 VDD 16V IC600 pin49 52 32 35 VDD 1 8V IC600 pin2 13 16 2 Mute check IC600 pin25 No problem NG No problem No problem No problem Check App S W If App S W OK then replace IC600 NG ...

Страница 18: ...9 52 32 35 VDD 1 8V IC600 pin12 13 16 2 Mute check IC600 pin25 No problem Video NG Replace IC100 No problem No problem 2 3 In case of abnormal display or sound when side AV1 SCART1 mode Check video signal 1 CVBS JK101 pin20 and C519 Check AV2 Jack 1 SCART1 LINK check R149 or JK101 pin17 Check Video Audio Check Audio signal 1 R JK101 pin2 and C690 2 L JK101 pin6 and C627 Audio NG Check App S W If A...

Страница 19: ... S W If App S W OK then replace IC100 NG Check 74HC14D IC103 1 H sync pin4 2 V sync pin8 3 If problem with IC103 then replace IC103 No problem or No sound Check EDID 1 Read EDID data EDID download and recheck No problem No problem 2 5 In case of abnormal display or sound when VGA Input mode Check video signal 1 Y JK102 pin3A and C509 2 Pb JK102 pin5B and C512 3 Pr JK102 pin5C and C515 Check Compon...

Страница 20: ...check IC201 4 pin6 5 Check HDMI HPD Output 1 HDMI JK201 202 203 Pin19 Check TMDS signal 1 JK201 3 JK204 pin1 12 Check App S W If App S W OK then replace IC100 No problem Check App S W If App S W OK then replace IC201 4 NG Check HDMI 5V_DET input 1 HDMI JK201 202 203 Pin20 Check HDMI source If OK then replace HDMI JACK No problem Check App S W If App S W OK then replace IC100 No problem No problem ...

Страница 21: ... Check 16V input Voltage IC600 pin49 52 2 Check 1 8V input Voltage IC600 pin12 13 16 3 Check the IIC communication SDA SCL R619 R620 4 Check the Audio Signal is Normal SPK_L R L603 L604 Yes Replace Main B D Yes Yes Set on speaker in menu TV Speaker OFF ON No Change or Reconnect the Speaker Cable No Replace Audio AMP IC IC600 No Yes Only RF is no sound Check the Tuner IN OUT SIF R317 SECAM L R326 Y...

Страница 22: ...al Use Only Check the blue tooth device power Recharge device and power on The blue tooth device is headset Check connection blue tooth cable on TV set Yes No No No problem No problem No problem Is it Pairing Mode Blue tooth headset device Check P903 main board 5pin 5V Replace IC904 of Main B D Or Replace Main B D Yes Yes Setting headset to Pairing Mode and retry Check P903 main board 2 3pin signa...

Страница 23: ...IC901 HDMI4 Sid e RGB PC L R Tun er TDFV G135D1 TU3 00 TMDS 0 7 1 2 0 Hz m o d ule 74LVC 541A PW Buffer IC400 CI Slot P400 74LVC 245A Bi Buffer IC 402 DATA 0 7 74LCX244MTC Buffer IC403 405 406 Ad d ress 0 14 CTRL s ig nals TMDS 0 7 CVBS Tuner V out NLASB3157 IC 500 LVDS TMDS EVN 10 b it LVDS TMDS ODD 10 b it Ho st Ad d res s 1 16 Ho st Dat a 0 15 LPF DDR2 Dat a 0 15 DDR2 SDRAM 64MByt e HYNIX IC701...

Страница 24: ...VDS o ut p ut 10b it First sec o nd c hannel LVDS o ut p ut 10 b it Third f o urt h c hannel MT8280_INT0 MT8280_PWN MT8280_PRST UART I2S SDA SCL2 Mast er DDR2 400Mhz 2 IC1100 IC1101 RS 232 Jac k Fo r d eb ug g ing P1202 Serial Flash IC1201 Serial f lash WP Data In out Clk in Data BUS Control Bus Address bus TX RX 27Mhz UART0 slave UART1 4p in waf er Fo r d o wnlo ad P1203 2 FRC ...

Страница 25: ...ly for training and service purposes LGE Internal Use Only FLI10620H Bluetooth Module IC904 UPD720114 USB Hub USBUP_DP USBUP_DM BLUE_DP BLUE_DM USB20_1_DP USB20_1_DM Bluetooth Module MIPS IC101 LBMS 2C66B4 BLUE_DP BLUE_DM M101 Audio PCM Picture JPEG 3 Bluetooth ...

Страница 26: ... 2 audio R in 1 Audio R out TV SCART 1 23 GND 22 GND 21 safety GND 20 CVBS in 19 CVBS out DTV out 18 17 video GND 16 15 C in 14 data GND 13 GND 12 data1 11 CVBS in 10 data 2 9 GND 8 function select 7 CVBS in 6 audio L in 5 GND 4 audio GND 3 audio L out DTV 2 audio R in 1 Audio R out DTV SCART 2 LBADC_IN4 A2P B2P C2P A4P C4P SCART_FB AUD_IN_L1 R1 TR Adj 15 VIDEO AUD_OUT2_L R TR BUF TR Net GPIOA4 MU...

Страница 27: ...C EDID AT24C02BN HDMI 3 TMDS 8b it DDC HDMI3 I2C EDID AT24C02BN HDMI SW TMDS HDMI I2C SW GPIOA0 GPIOA1 HDMI Selec t 1 HDMI Selec t 2 CEC_REMOTE GPIOB1 2WIRE_S2 2WIRE_S0 DSDA1 DSCL1 HDMI BUF TMDS DDC HDMI4 I2C EDID AT24C02BN 2WIRE_S1 ARX BRX VXO_D20 VXO_D21 HDMI2 5V DET HDMI3 5V DET HDMI4 5V DET VXO_CLK HP DET S W4 VXI_D23 HP DET S W3 HP DET S W2 HDMI_A_HPD HDMI_B_HPD VXO_D22 FET Bi BUF NLASB3157 I...

Страница 28: ...N CI DATA 0 7 POD_DIR_N CI DATA Dir Selec t CI Det ec t POD_DETECT_N CI Det ec t TS_IN 0 7 74LCX244MTC Buf f er IC403 HOST Ad d res s 0 3 POD Ad d res s 0 3 CI Ad d ress 0 7 74LCX244MTC Buf f er IC406 HOST Ad d res s 10 13 POD Ad d res s 8 9 14 HOST Ad d res s 4 74LCX244MTC Buf f er IC405 REG CI Det ec t CI Det ec t CI Ad d res s 8 14 CI Det ec t POD_OE_HOST_RD HOST Out Enab le CI Out En ab le HOS...

Страница 29: ...LPF Co m p L R SIDE L R PC L R AUD_IN_L R 3 Ch 3 AUD_IN_L R 4 Ch 4 AUD_IN_L R 5 Ch 5 AUDO_SPDIR_OUT Tuner TDFV G135D1 TU301 AM AUDIO TR BUF MUTE_LINE_DTV TR BUF TR BUF SCART 1 SCART 2 TV LR OUT DTV LR OUT 16V FAULT AUDIO_MUTE VXO_D5 RESET I2C 3 3V TPY 10W 10W TPS2042BDRG4 Po w er Dis t rib uter IC901 5V USB DP DM 5V 600mA FLI10620H MICOM MICOM MSP4458G AUD_OUT1 L R Level Ad j Sc art 1 L R Level Ad...

Страница 30: ...O_D5 PCMCIA CI_RST POD_RESET TUNER FE_RESET VXI_D14 FLI10620H MICOM MT8280 FRC_RESET DFSYNC_E13 9 I2C Control SDA2_3 3V SCL2_3 3V EYEQ 0xE8 RGB 0x94 MICOM 0x50 NTP3000A 0x54 MSP4458 0x80 Master I2C 1 TUNER Analog R 0x87 W 0x86 24LC512 W 0xA6 R 0xA7 SDA1_5V SCL1_5V Master I2C 0 Slave I2C 0 Slave I2C 1 Slave I2C 2 EDID AT24C02BN EDID AT24C02BN EDID AT24C02BN EDID AT24C02BN BU16027KV IC200 FLI10620H ...

Страница 31: ...C1006 AZ1117H 1 8TRE 1 8V IC1007 BA33BC 3 3V_STBY MICOM IC1001 BA33BC 1A 3 3V_EN 3 3V DOUGLAS IC1002 BA18DD0WHFP Rohm 1 8V_DOUGLAS_DDR 1 8V_DOUGLAS_EN IC1000 BD9130 2A 1 2V_DOUGLAS 1 2V_DOUGLAS_EN MICOM MICOM MICOM 3 3V_OTP IC100 Douglas IC700 IC701 DDR2 IC802 Micom IC801 EEPROM IC904 USB Hub TUNER IC600 NTP3000A IC104 MAX3232 IC200 TMDS351 CI Block For audio block 160mA 1250mA 480mA 300mA ...

Страница 32: ...N OFF MICOM P_ 5V SPDIF IC603 MSP4458G IC903 MIC2019 USB_power IC901 NVRAM IC501 Analog s w For DTV MNT out IC1202 BD9130 DC DC IC502 MT8280 IC600 NTP3000A IC603 MSP4458G TU300 TUNER Ci slot Module IC200 TMDS351 IC201 4 HDMI EEPROM P903 Bluetooth module 120mA 1600mA 1180mA 550mA MT8280_CORE_1 0V IC1204 AZ1117 3 3 MT8280_DVDD33 6 7mA IC1203 BD9130 DDR2 BD35331 VTT regulator IC1204 AZ1117 3 3 IC1206...

Страница 33: ...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 without permission of manufa...

Страница 34: ..._STBY PANEL_ERROR_DET 1 8V 0 1uF 16V C1046 KIA78R05F IC1005 1 VIN 2 VC 3 VOUT 4 NC 5 GND1 6 GND2 P_ 16V 1 26V_DOUGLAS_EN 0 1uF 50V C1028 3 3V_TUNER 0 1uF 16V C1034 KIA7805AF IC1008 2 C 3 O 1 I 220uF 16V C1001 0 1uF 16V C1049 120 ohm L1003 0 1uF 16V C1041 120 ohm L1000 120 ohm L1005 3 3V_CI 0 1uF 16V C1045 P_ 5V VBR_B 120 ohm L1004 100 R1014 1 2V_DOUGLAS_D P_ 12V 0 1uF 16V C1044 5V_TUNER 4 7K R1017...

Страница 35: ...T E12 OBUFC_CLK F21 NC_1 F7 NC_2 F8 NC_3 F9 NC_4 F10 NC_5 F11 SIF_IN K6 3 3V_STBY 3 3V_STBY 3 3V_STBY 3 3V_STBY 18pF 50V C811 18pF 50V C812 120 ohm L800 120 ohm L803 120 ohm L802 120 ohm L801 4 7uF 6 3V C800 0 1uF 16V C833 0 1uF 16V C834 BIT_SEL PWM_BUZZ PWM_BUZZ 2 2K R851 2 2K R850 680pF C804 0 R882 4 7K R805 4 7K R806 SIDE_S_SW 0 R847 10K R883 READY 10K R884 READY 10K R885 READY 10K R886 READY 3...

Страница 36: ...Jul 2008 Printed in Korea P NO MFL42349001 ...

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