DOWNLOAD LG 32SL80YR-TA (CHASSIS:LP91T) Service Manual ↓ Size: 6.01 MB | Pages: 30 in PDF or view online for FREE

- 17 -

300

200

LV

1

LV

2

200T

200N

510

301

A2

A10

310

120

121

600

610

801

804

805

530

540

806

803

807

802

550

910

A7

400

521

810

520

580

900

500

Many 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 manufacturer.

CAT24C02WI-GT3

IC100

CATALYST

3

A2

2

A1

4

VSS

1

A0

5

SDA

6

SCL

7

WP

8

VCC

DDC_WP
DSUB_SCL

4.7K

R129

100

R119

4.7K

R128

100

R123

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.

4.7K

R154

READY

+5VST_MST

DSUB_SDA

0 . 0 1 u F

C113

100

R120

10K R133

0

R124

30V

D114

PC_R

PC_AUD_L

220K

R100

75

R107

75

R126

30V

D104

75

R127

75

R108

12K

R137

COMP2_R

MNT_LOUT

10K R132

220K

R121

CVBS_RIN

SD05

ZD201

10uF

16V

C106

SD05

ZD108

PC_B

100uF 16V

C103

ENKMC2837-T112

D127

A

AC

C

COMP1_PR

MNT_VOUT

MNT_ROUT

CDS3C30GTH

30V

D120

SD05

ZD109

CVBS_VIN

PC_G

SD05

ZD100

12K

R136

CVBS_LIN

30V

D101

ENKMC2837-T112

D128

A

AC

C

DSUB_SDA

COMP2_L

SD05

ZD106

30V

D115

75

R125

SD05

ZD200

30V

D203

220K

R122

COMP2_Y

10K

R113

SD05

ZD105

SD05

ZD102

75

R210

SD05

ZD103

75

R109

CDS3C30GTH

30V

D110

COMP1_Y

10uF

16V

C105

RT1C3904-T112

Q201

E

B

C

SD05

ZD104

COMP2_PB

30V

CDS3C30GTH

D100

RT1C3904-T112

Q200

E

B

C

MUTE_LINE

SD05

ZD107

CDS3C30GTH

30V

D107

SD05

ZD101

ENKMC2837-T112

D126

A

AC

C

PC_AUD_R

30V

D201

COMP1_L

12K

R118

COMP1_PB

10K

R114

12K

R117

30V

D204

220K

R104

+5V_MULTI

COMP1_R

COMP2_PR

DSUB_SCL

CDS3C30GTH

30V

D119

220K

R130

220K

R131

10K

R138

10K

R139

12K

R141

12K

R140

0.1uF

C117

0.1uF

C119

0.1uF

C118

4.7K

R111

4.7K

R112

10K

R215

10K

R217

12K

R219

12K

R218

220K

R211

220K

R214

75

R212

68pF

C100

68pF

C102

PC_VS

68

R110

PC_HS

68

R116

J P 1 0 5

J P 1 0 6

J P 1 0 4

10uF

16V

C10000

READY

0

R142

RT1C3904-T112

Q100

E

B

C

0

R143

RT1C3904-T112

Q101

E

B

C

75

R101

75

R103

75

R102

1K

R134

1K

R135

6800pF

C10001

6800pF

C104

M24C02-RMN6T

I C 1 0 0 - * 1

STM_replace

3

E2

2

E1

4

VSS

1

E0

5

SDA

6

SCL

7

WC

8

VCC

SPG09-DB-010

JK105

1

RED

2

GREEN

3

BLUE

4

GND_1

5

DDC_GND

6

RED_GND

7

GREEN_GND

8

BLUE_GND

9

NC

10

SYNC_GND

11

GND_2

12

DDC_DATA

13

H_SYNC

14

V_SYNC

15

DDC_CLOCK

16

SHILED

P E J 0 2 7 - 0 1

JK106

6B

T_TERMINAL2

8

SHIELD_PLATE

7B

B_TERMINAL2

5

T_SPRING

4

R_SPRING

7A

B_TERMINAL1

6A

T_TERMINAL1

3

E_SPRING

P P J 2 3 1 - 0 1

JK101

8

6

7

5

4

P P J - 2 3 0 - 0 1

JK103

9

[GN]G

10

[GN]GND

8

[GN]C_DET

7

[BL]B

6

[RD]R

5

[WH]L_IN

4

[RD]R_IN

11

FIX-TER

13

[RD]MONO

P P J - 2 3 0 - 0 1

JK104

9

[GN]G

10

[GN]GND

8

[GN]C_DET

7

[BL]B

6

[RD]R

5

[WH]L_IN

4

[RD]R_IN

11

FIX-TER

13

[RD]MONO

PPJ233-01

JK102

4A

[YL]O-SPRING

5A

[YL]E-LUG

3A

[YL]CONTACT

4B

[WH]C-LUG

5C

[RD]E-LUG

4C

[RD]O-SPRING

3C

[RD]CONTACT

EAX61181901
Mstar LCD SL80

PC EDID

AV1

COMPONENT2

PC

**MULTI ITEM
1.24C02-SUB:0IMMRAL014D
2.ENKMC2837-SUB:0DS226009AA
[KDS226]

POP NOISE

PC SOUND

POP NOISE

COMPONENT1/2, AV1, MNT_OUT

COMPONENT1

MNT_OUT

INPUT-ANALOG/PC

H6 SL80

9       1 2

2 0 0 9 / 0 4 / 0 2

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.

SIDE_RIN

SIDE_LIN

5 . 6 B

ZD202

SIDE_V

5 . 6 B

ZD203

USB DOWN STREAM

KJA-UB-4-0004

JK200

1

2

3

4

5

USB_DP

USB_DN

30V

D205

30V

D206

0

R200

0

R201

0

Non_OCP

R202

+5V_USB

500

L200

10uF 6.3V

C201

120OHM

OCP

L202

4.7K

OCP

R205

1KOCP

R204

MIC2009YM6-TR 

OCP

IC201

3

ENABLE

2

GND

4 FAULT/

1

VIN

6 VOUT

5 ILIMIT

0.1uF

OCP

C203

10uF

OCP

C204

30V

D208

READY

30V

D207

READY

KDS226

OCP

D200

A

AC

C

510

OCP

R208

160 OCP

R203

75

R227

220K

R223

220K

R222

10K

R224

10K

R225

12K

R226

12K

R228

12507WS-08L

P201

1

2

3

4

5

6

7

8

9

MDS61887702

GASKET

M1

6T_GASKET(32/42/55)

MDS61887702

GASKET

M2

6T_GASKET(55)

MDS61887702

GASKET

M3

6T_GASKET(55)

MDS61887702

GASKET

M4

6T_GASKET(55)

MDS61887702

GASKET

M5

READY

MDS61887702

GASKET

M6

6T_GASKET(32/42/55)

J P 2 0 1

J P 2 0 2

J P 2 0 3

220uF

16V

C200

100uF
16V

C202

MDS61887702

GASKET

6T_GASKET(55)

M7

MDS61887702

GASKET

6T_GASKET(55)

M8

MDS61887703

GASKET

7T_GASKET(47)

M1-*1

MDS61887703

GASKET

7T_GASKET(47)

M4-*1

MDS61887703

GASKET

7T_GASKET(47)

M3-*1

MDS61887703

GASKET

7T_GASKET(47)

M6-*1

**1A Design

SIDE AV

USB

EAX61181901
Mstar LCD SL80

SIDE AV/USB

H6 SL80

2       1 2

2 0 0 9 / 0 4 / 0 2

EAN43439401

P i n   t o   P i n   w i t h

C l o s e   t o   S I D E _ U S B

==6T==

32" : MDS61887702, M1, M6

4 2 "   :   M D S 6 1 8 8 7 7 0 2 ,   M 1 ,   M 6  

5 5 "   :   M D S 6 1 8 8 7 7 0 2 ,   M 1 ,   M 2 ,   M 3     M 3 ,   M 4 ,   M 6 ,   M 7 ,   M 8  

==7T==

47" : MDS61887703, M1, M3, M4, M6

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.

TMDS3_RXC+

+5V_HDMI_1

TMDS3_RX2+

100

R304

HPD_MST_1

KDS184S

D300

A1

C

A2

TMDS3_RX0+

100

R327

DDC_SDA1

1K

R303

+5V_HDMI_3

CAT24C02WI-GT3

IC300

3

A2

2

A1

4

VSS

1

A0

5

SDA

6

SCL

7

WP

8

VCC

TMDS1_RX2+

TMDS2_RX1+

DDC_WP

TMDS3_RX1-

1K

R302

2SC3875S

RT1C3904-T112

Q300

E

B

C

10K

R312

SIDE_HDMI

+5V_HDMI_1

TMDS3_RX2-

2SC3875S

RT1C3904-T112

Q302

SIDE_HDMI

E

B

C

CEC

100

R318

TMDS2_RXC+

0 . 0 1 u F

C300

KDS184S

D301

A1

C

A2

HPD_MST_3

2SC3875S

RT1C3904-T112

Q301

E

B

C

J P 3 0 1

0 . 0 1 u F

C302

JP304

DDC_SDA3

+5V_HDMI_3

DDC_WP

100

R307

JP305

1K

R314

SIDE_HDMI

TMDS2_RXC-

TMDS1_RX0-

0 . 0 1 u F

C301

100

R329

DDC_WP

10K

R301

TMDS1_RX2-

TMDS2_RX1-

J P 3 0 2

TMDS1_RXC+

DDC_SCL2

TMDS1_RX0+

TMDS3_RXC-

+5V_HDMI_2

100

R306

TMDS3_RX0-

100

R331

CEC

+5V_MULTI

DDC_SCL1

+5V_MULTI

HPD_MST_2

TMDS2_RX2-

10K

R300

CAT24C02WI-GT3

IC301

3

A2

2

A1

4

VSS

1

A0

5

SDA

6

SCL

7

WP

8

VCC

DDC_SCL3

DDC_SDA2

KDS184S

D302

A1

C

A2

CEC

TMDS3_RX1+

J P 3 0 0

TMDS1_RXC-

TMDS2_RX0-

+5V_MULTI

+5V_HDMI_2

100

R317

100

R305

CAT24C02WI-GT3

IC302

3

A2

2

A1

4

VSS

1

A0

5

SDA

6

SCL

7

WP

8

VCC

TMDS1_RX1+

J P 3 0 3

TMDS1_RX1-

TMDS2_RX2+

TMDS2_RX0+

CEC

0

R313

68K

CEC_READY

R315

CEC_C

MMBD301LT1G

30V CEC_READY

D303

CDS3C30GTH

30V CEC_READY

D304

+3.3V_MST

BSS83

Q303

CEC_READY

S

B

D

G

10K

R311

10K

R309

10K

R320

10K

R319

10K

R310

10K

R308

56000

R332

READY

J P 3 0 6

J P 3 0 7

J P 3 0 8

YKF45-7058V

JK301

14

13

5 DATA1_SHIELD

20

20

12

11

2 DATA2_SHIELD

19

18

10 CLK+

4 DATA1+

1 DATA2+

17

9 DATA0-

8 DATA0_SHIELD

3 DATA2-

16

7 DATA0+

6 DATA1-

15

YKF45-7054V

JK302

14

13

5 DATA1_SHIELD

20

20

12

11

2 DATA2_SHIELD

19

18

10 CLK+

4 DATA1+

1 DATA2+

17

9 DATA0-

8 DATA0_SHIELD

3 DATA2-

16

7 DATA0+

6 DATA1-

15

DC1R019NBH

JK303

SIDE_HDMI

14 NC

13 CEC

5 DATA1_SHIELD

20

JACK_GND

12 CLK-

11 CLK_SHIELD

2 DATA2_SHIELD

19 HPD

18 +5V_POWER

10 CLK+

4 DATA1+

1 DATA2+

17DDC/CEC_GND

9 DATA0-

8 DATA0_SHIELD

3 DATA2-

16 SDA

7 DATA0+

6 DATA1-

15 SCL

MST_HPD : USE MST HPD

SW_HPD : USE SW HPD (Default)

OPTION

EAX61181901
Mstar LCD SL80

INPUT-HDMI

H6 SL80

3       1 2

2 0 0 9 / 0 4 / 0 2