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Haier LD42U7000 Service Manual Download Page 44

 

44 

7

）

DDR&POWER 

R417

22 OHM 1/16W

R419

22 OHM 1/16W

R437

22 OHM 1/16W

R439

22 OHM 1/16W

C419

1nF 50V

+1.5V_DDR

R421

2K 1%

B-DDR3-DQ2

8

B-DDR3-DQ6

8

B-DDR3-DQ1

8

B-DDR3-DQ11

8

B-DDR3-DQ14

8

B-DDR3-DQ8

8

B-DDR3-DQ12

8

B-DDR3-DQ4

8

B-DDR3-DQ10

8

B-DDR3-DQ7

8

B-DDR3-DQ13

8

B-DDR3-DQ9

8

B-DDR3-DQ0

8

B-DDR3-DQ15

8

B-DDR3-DQ3

8

B-DDR3-DQ5

8

C443

100N

 16V

A-DDR3-A10-T1

B-DDR3-DQS1

8

B-DDR3-DQS1B

8

B-DDR3-DQS0B

8

B-DDR3-DQS0

8

B-DDR3-DM0

8

B-DDR3-DM1

8

B-MVREFDQ-T1

A-DDR3-A3-T1

A-DDR3-A6-T1

A-DDR3-A5-T1

A-DDR3-A0-T1

A-DDR3-A4-T1

A-DDR3-A8-T1
A-DDR3-A9-T1

A-DDR3-A7-T1

A-DDR3-A1-T1

A-DDR3-A12-T1

A-DDR3-A11-T1

A-DDR3-A2-T1

B-MVREFCA-T1

B-DDR3-RESET-T1

8

A-DDR3-A0-T1 8

A-DDR3-A13-T1

B_DDR3_MCLK

8

B_DDR3_MCLKZ

8

A-DDR3-A1-T1 8
A-DDR3-A2-T1 8

R418

0R05 1/16W

A-DDR3-A5-T1 8

A-DDR3-A3-T1 8
A-DDR3-A4-T1 8

A-DDR3-A7-T1 8

A-DDR3-A6-T1 8

B_DDR3_MCLK

A-DDR3-A8-T1 8
A-DDR3-A9-T1 8
A-DDR3-A10-T1 8

B_DDR3_MCLKZ

A-DDR3-A13-T1 8

A-DDR3-A12-T1 8

A-DDR3-A11-T1 8

C423

1nF 50V

B-DDR3-A1-T1 8

B-DDR3-A11-T1 8

B-DDR3-A6-T1 8
B-DDR3-A7-T1 8
B-DDR3-A8-T1 8

B-DDR3-A12-T1 8

B-DDR3-A10-T1 8

B-DDR3-A13-T1 8

B-DDR3-A9-T1 8

B-DDR3-A4-T1 8
B-DDR3-A5-T1 8

B-DDR3-A2-T1 8

B-DDR3-A0-T1 8

B-DDR3-A3-T1 8

R441

2K 1%

A-DDR3-A1-T2 8

A-DDR3-A11-T2 8
A-DDR3-A12-T2 8

A-DDR3-A7-T2 8

A-DDR3-A6-T2 8

A-DDR3-A9-T2 8
A-DDR3-A10-T2 8

A-DDR3-A8-T2 8

A-DDR3-A3-T2 8

A-DDR3-A13-T2 8

A-DDR3-A4-T2 8
A-DDR3-A5-T2 8

A-DDR3-A2-T2 8

A-DDR3-A0-T2 8

A-DDR3-A14-T1 8

A-DDR3-BA0-T1 8
A-DDR3-BA1-T1 8
A-DDR3-BA2-T1 8

A-DDR3-CASZ-T1 8

A-DDR3-RASZ-T1 8

A-DDR3-ODT-T1 8

A-DDR3-WEZ-T1 8
A-DDR3-CKE-T1 8

A-DDR3-A14-T2 8

A-DDR3-BA1-T2 8
A-DDR3-BA2-T2 8

A-DDR3-BA0-T2 8

B-DDR3-BA1-T1 8

B-DDR3-BA0-T1 8

B-DDR3-A14-T1 8

B-DDR3-BA2-T1 8

B-DDR3-CASZ-T1 8
B-DDR3-ODT-T1 8
B-DDR3-RASZ-T1 8
B-DDR3-WEZ-T1 8
B-DDR3-CKE-T1 8

A-DDR3-ODT-T2 8

A-DDR3-CKE-T2 8

A-DDR3-RASZ-T2 8

A-DDR3-CASZ-T2 8

A-DDR3-WEZ-T2 8

+1.5V_DDR

VDD_0

B2

NC_0

J1

VSS_0

A9

VSSQ_0

B1

UDQS#

B7

VDDQ_0

A1

DQ14

B8

VSSQ_1

B9

UDM

D3

UDQS

C7

VSSQ_2

D1

DQ15

A3

VDDQ_1

A8

DQ9

C3

VDDQ_2

C1

VDDQ_3

C9

DQ8

D7

VDDQ_4

D2

DQ12

A7

VSSQ_3

D8

DQ11

C2

DQ10

C8

VSSQ_4

E2

DQ13

A2

VDD_1

D9

NC_1

J9

VSS_1

B3

VSSQ_5

E8

LDQS#

G3

VDDQ_5

E9

DQ6

G2

VSSQ_6

F9

LDM

E7

LDQS

F3

VSSQ_7

G1

DQ7

H7

VDDQ_6

F1

DQ1

F7

VDDQ_7

H2

DQ0

E3

VDDQ_8

H9

DQ4

H3

VSSQ_8

G9

DQ3

F8

DQ2

F2

BA2

M3

DQ5

H8

VDD_5

N1

VREFDQ

H1

VSS_2

E1

VSS_5

J8

CK

J7

VDD_2

G7

CKE

K9

WE#

L3

RAS#

J3

CK#

K7

ODT

K1

RESET#

T2

BA0

M2

BA1

N8

CAS#

K3

CS#

L2

A10/AP

L7

A1

P7

A2

P3

A0

N3

VDD_3

K2

VSS_3

G8

A3

N2

A5

P2

A6

R8

A4

P8

A7

R2

A9

R3

A11

R7

A8

T8

VSS_4

J2

VDD_4

K8

A12/BC#

N7

NC_3

L9

ZQ

L8

NC_2

L1

VREFCA

M8

NC_4

M7

A13

T3

NC_6

T7

VSS_6

M1

VSS_7

M9

VSS_8

P1

VSS_9

P9

VSS_10

T1

VSS_11

T9

VDD_6

N9

VDD_7

R1

VDD_8

R9

U402

K4B2G1646E-BCK00DT

A-MVREFCA-T2

A-MVREFDQ-T2

A-DDR3-RESET-T2

8

Q402
MMBT3904

C430

100N

 16V

C428

100N

 16V

C427

100N

 16V

C429

100N

 16V

C426

100N

 16V

R42456R 1/16W 1%
R42656R 1/16W 1%

OEM MODEL

Size

Rev

Date

Sheet

of

TPV MODEL

PCB NAME

称 爹

T P V   ( Top    Victory     Electronics    Co . ,   Ltd. )

Key Component

絬

 

隔

 

瓜

 

絪

 

腹

B

C

9

18

Tuesday , July  23, 2013

715G6250-M0B-000-0040

<

称爹

>

09-DDR&POWER

G6250-M0B-000-0040-1-12XXXX

+1.5V_DDR

B-MVREFCA-T1

R443

1Kohm 1/16W +/-1%

C452

100N

 16V

C448

100N

 16V

R453

1Kohm 1/16W +/-1%

B-MVREFDQ-T1

R455

1Kohm 1/16W +/-1%

+1.5V_DDR

R447

1Kohm 1/16W +/-1%

C453

1nF 50V

C449

1nF 50V

R436

1Kohm 1/16W +/-1%

B_DDR3_CKE

Q403

2N7002K

PWR-ON/OFF

11,16

+5V_Standby

A_DDR3_CKE

+1.5V_DDR

+1.5V_DDR

+1.5V_DDR

+1.5V_DDR

+1.5V_DDR

+1.5V_DDR

+1.5V_DDR

A-MVREFCA-T1

A-MVREFDQ-T1

A-MVREFCA-T2

A-MVREFDQ-T2

A-DDR3-CKE-T2

C416 10NF 50V

B-DDR3-CKE-T1

B-DDR3-RESET-T1

B-DDR3-DQ13

B-DDR3-DQ11

B-DDR3-DQ9

B-DDR3-DQ15

B-DDR3-DQ10

B-DDR3-DQS0

B-DDR3-DQ12

B-DDR3-DQ8

B-DDR3-DQ14

B-DDR3-DQ2

B-DDR3-DQS0B

B-DDR3-DQ3

B-DDR3-DQ5

B-DDR3-DQ1

B-DDR3-DM0

B-DDR3-DM1

B-DDR3-DQ7

B-DDR3-DQ0

B-DDR3-DQ4

B-DDR3-DQ6

B-DDR3-DQS1B

B-DDR3-DQS1

A-DDR3-RESET-T1

A-DDR3-RESET-T2

C421

1nF 50V

R457
1Kohm 1/16W +/-1%

A-DDR3-DQS0B
A-DDR3-DM1
A-DDR3-DM0

A-DDR3-DQS0

A-DDR3-DQ5

A-DDR3-DQ0
A-DDR3-DQ1

A-DDR3-DQ6
A-DDR3-DQ7

A-DDR3-DQ2
A-DDR3-DQ3

R435

1Kohm 1/16W +/-1%

A-DDR3-DQ13

A-DDR3-DQS1B

A-DDR3-DQS1

A-DDR3-DQ4

A-DDR3-DQ15

A-DDR3-DQ14

A-DDR3-DQ8

A-DDR3-DQ10
A-DDR3-DQ11
A-DDR3-DQ12

A-DDR3-DQ9

A-DDR3_MCLKZ

A-DDR3_MCLK

C417 10NF 50V

R460

3K3 1/16W 1%

+1.5V_DDR

R432

1Kohm 1/16W +/-1%

R434

1Kohm 1/16W +/-1%

R458

10K 1/16W

C425

1nF 50V

A-DDR3-DQ0

8

C445

100N

 16V

A-DDR3-DQ1

8

B_DDR3-MCLK

C414

100N

 16V

A-DDR3-DQ2

8

A-DDR3-DQ3

8

C413

100N

 16V

C415

100N

 16V

A-DDR3-DQ4

8

A-DDR3-DQ5

8

C412

100N

 16V

A-DDR3-DQ6

8

A-DDR3-DQ8

8

A-DDR3-DQ7

8

A-DDR3-DQ9

8

A-DDR3-DQ11

8

A-DDR3-DQ10

8

B-MVREFCA-T1

A-DDR3-DQ13

8

A-DDR3-DQ12

8

A-DDR3-DQ14

8

R42556R 1/16W 1%

A-DDR3-DQS1

8

A-DDR3-DQ15

8

R42356R 1/16W 1%

A-DDR3-DQS1B

8

A-DDR3-DQS0

8

A-DDR3-DM1

8

A-DDR3-DM0

8

A-DDR3-DQS0B

8

A-MVREFDQ-T1

B-MVREFDQ-T1

C438

100N

 16V

A-MVREFCA-T1

R431

1Kohm 1/16W +/-1%

A-DDR3-RESET-T1

8

C446 10NF 50V

A-DDR3-RESET-T2

C406

100N

 16V

C404

100N

 16V

C405

100N

 16V

C403

100N

 16V

C402

100N

 16V

A-DDR3_MCLK
A-DDR3_MCLKZ

A_DDR3-MCLKZ

A_DDR3-MCLK

R433

1Kohm 1/16W +/-1%

C411

100N

 16V

C410

100N

 16V

C409

100N

 16V

C408

100N

 16V

C407

100N

 16V

A-MVREFDQ-T2

C401

100N

 16V

R429

240 OHM +-1% 1/16W

B_DDR3-MCLKZ

R427

1Kohm 1/16W +/-1%

R428

1Kohm 1/16W +/-1%

R420

0R05 1/16W

A-DDR3-DM2

A-DDR3-DQ31

A-DDR3-DQ30

A-DDR3-DQ29

A-DDR3-DQ24
A-DDR3-DQ25
A-DDR3-DQ26

A-DDR3-DQS3B

A-DDR3-DQS3

A-DDR3-DQ27
A-DDR3-DQ28

A-DDR3-DQ21

A-DDR3-DQ23

A-DDR3-DQ16

A-DDR3-DQ18

A-DDR3-DQ17

A-DDR3-DQ22

A-DDR3-DQ20

A-DDR3-DQS2B

A-DDR3-DQS2

A-DDR3-DM3

A-DDR3-DQ19

A-DDR3-A8-T2
A-DDR3-A9-T2
A-DDR3-A10-T2

A-DDR3-A12-T2

A-DDR3-A0-T2

A-DDR3-A11-T2

A-DDR3-BA1-T2

A-DDR3-BA0-T2

A-DDR3-A3-T2
A-DDR3-A4-T2

A-DDR3-BA2-T2

A-DDR3-A2-T2

A-DDR3-A1-T2

A-DDR3-A5-T2

A-DDR3-A7-T2

A-DDR3-A6-T2

VDD_0

B2

NC_0

J1

VSS_0

A9

VSSQ_0

B1

UDQS#

B7

VDDQ_0

A1

DQ14

B8

VSSQ_1

B9

UDM

D3

UDQS

C7

VSSQ_2

D1

DQ15

A3

VDDQ_1

A8

DQ9

C3

VDDQ_2

C1

VDDQ_3

C9

DQ8

D7

VDDQ_4

D2

DQ12

A7

VSSQ_3

D8

DQ11

C2

DQ10

C8

VSSQ_4

E2

DQ13

A2

VDD_1

D9

NC_1

J9

VSS_1

B3

VSSQ_5

E8

LDQS#

G3

VDDQ_5

E9

DQ6

G2

VSSQ_6

F9

LDM

E7

LDQS

F3

VSSQ_7

G1

DQ7

H7

VDDQ_6

F1

DQ1

F7

VDDQ_7

H2

DQ0

E3

VDDQ_8

H9

DQ4

H3

VSSQ_8

G9

DQ3

F8

DQ2

F2

BA2

M3

DQ5

H8

VDD_5

N1

VREFDQ

H1

VSS_2

E1

VSS_5

J8

CK

J7

VDD_2

G7

CKE

K9

WE#

L3

RAS#

J3

CK#

K7

ODT

K1

RESET#

T2

BA0

M2

BA1

N8

CAS#

K3

CS#

L2

A10/AP

L7

A1

P7

A2

P3

A0

N3

VDD_3

K2

VSS_3

G8

A3

N2

A5

P2

A6

R8

A4

P8

A7

R2

A9

R3

A11

R7

A8

T8

VSS_4

J2

VDD_4

K8

A12/BC#

N7

NC_3

L9

ZQ

L8

NC_2

L1

VREFCA

M8

NC_4

M7

A13

T3

NC_6

T7

VSS_6

M1

VSS_7

M9

VSS_8

P1

VSS_9

P9

VSS_10

T1

VSS_11

T9

VDD_6

N9

VDD_7

R1

VDD_8

R9

U403

K4B2G1646E-BCK00DT

Q401

2N7002K

C437

100N

 16V

A_DDR3_CKE 8

B_DDR3_CKE 8

A-DDR3-A13-T2

A-DDR3-A14-T2

A-DDR3-RASZ-T2

A-DDR3-CASZ-T2
A-DDR3-ODT-T2

A-DDR3-WEZ-T2

B-DDR3-A14-T1

B-DDR3-A13-T1

DDR3 2G bit 1600MHz

A-DDR3-A14-T1

A-DDR3-BA0-T1

A-DDR3-BA2-T1

A-DDR3-BA1-T1

C432

100N

 16V

A-DDR3-RESET-T1

DDR3 2G bit 1600MHz

A_DDR3-MCLKZ

A_DDR3-MCLK

A_DDR3_MCLKZ

A_DDR3_MCLK

+1.5V_DDR

R44956R 1/16W 1%

R44556R 1/16W 1%

C424

100N

 16V

C431

100N

 16V

C420

100N

 16V

C422

100N

 16V

C418

100N

 16V

A-MVREFDQ-T1

B_DDR3-MCLKZ

B_DDR3-MCLK

B-DDR3-A8-T1

B-DDR3-A10-T1

B-DDR3-A0-T1

B-DDR3-A9-T1

B-DDR3-A12-T1

B-DDR3-A11-T1

B-DDR3-A2-T1

B-DDR3-BA2-T1

B-DDR3-BA1-T1

B-DDR3-BA0-T1

B-DDR3-A1-T1

B-DDR3-A6-T1

B-DDR3-ODT-T1

B-DDR3-A3-T1
B-DDR3-A4-T1
B-DDR3-A5-T1

B-DDR3-A7-T1

B-DDR3-CASZ-T1

B-DDR3-RASZ-T1
B-DDR3-WEZ-T1

B-DDR3-RESET-T1

R461
1Kohm 1/16W +/-1%

DDR3 2G bit 1600MHz

R451

240 OHM +-1% 1/16W

A-DDR3-DQS2B

8

A-DDR3-DQ24

8

A-DDR3-DQ28

8

A-DDR3-DM3

8

A-DDR3-DQ25

8

A-DDR3-DQ26

8

A-DDR3-DM2

8

A-DDR3-DQ31

8

A-DDR3-DQ27

8

A-DDR3-DQ21

8

A-DDR3-DQ29

8

A-DDR3-DQ30

8

A-DDR3-DQS3B

8

A-DDR3-DQS3

8

A-DDR3-DQ20

8

A-DDR3-DQ18

8

A-DDR3-DQ22

8

A-DDR3-DQ19

8

A-DDR3-DQ16

8

+1.5V_DDR

A-DDR3-DQ23

8

A-DDR3-DQ17

8

A-DDR3-DQS2

8

+1.5V_DDR

A-DDR3-CASZ-T1
A-DDR3-ODT-T1
A-DDR3-RASZ-T1
A-DDR3-WEZ-T1
A-DDR3-CKE-T1

R430

240 OHM +-1% 1/16W

R459

1Kohm 1/16W +/-1%

A-MVREFCA-T2

A_DDR3_MCLKZ

8

A_DDR3_MCLK

8

+1.5V_DDR

C456

NC

R422

2K 1%

VDD_0

B2

NC_0

J1

VSS_0

A9

VSSQ_0

B1

UDQS#

B7

VDDQ_0

A1

DQ14

B8

VSSQ_1

B9

UDM

D3

UDQS

C7

VSSQ_2

D1

DQ15

A3

VDDQ_1

A8

DQ9

C3

VDDQ_2

C1

VDDQ_3

C9

DQ8

D7

VDDQ_4

D2

DQ12

A7

VSSQ_3

D8

DQ11

C2

DQ10

C8

VSSQ_4

E2

DQ13

A2

VDD_1

D9

NC_1

J9

VSS_1

B3

VSSQ_5

E8

LDQS#

G3

VDDQ_5

E9

DQ6

G2

VSSQ_6

F9

LDM

E7

LDQS

F3

VSSQ_7

G1

DQ7

H7

VDDQ_6

F1

DQ1

F7

VDDQ_7

H2

DQ0

E3

VDDQ_8

H9

DQ4

H3

VSSQ_8

G9

DQ3

F8

DQ2

F2

BA2

M3

DQ5

H8

VDD_5

N1

VREFDQ

H1

VSS_2

E1

VSS_5

J8

CK

J7

VDD_2

G7

CKE

K9

WE#

L3

RAS#

J3

CK#

K7

ODT

K1

RESET#

T2

BA0

M2

BA1

N8

CAS#

K3

CS#

L2

A10/AP

L7

A1

P7

A2

P3

A0

N3

VDD_3

K2

VSS_3

G8

A3

N2

A5

P2

A6

R8

A4

P8

A7

R2

A9

R3

A11

R7

A8

T8

VSS_4

J2

VDD_4

K8

A12/BC#

N7

NC_3

L9

ZQ

L8

NC_2

L1

VREFCA

M8

NC_4

M7

A13

T3

NC_6

T7

VSS_6

M1

VSS_7

M9

VSS_8

P1

VSS_9

P9

VSS_10

T1

VSS_11

T9

VDD_6

N9

VDD_7

R1

VDD_8

R9

U404

K4B2G1646E-BCK00DT

A-MVREFCA-T1

 

Summary of Contents for LD42U7000

Page 1: ...ayout 32 6 1 Main Board 32 6 2 Power Board 32 6 3 IR Board 32 6 4 KeyBoard 32 7 Adjustment 33 7 1 ADC WB Adjustment 33 7 2 Firmware and DDC Instruction 34 8 Block Diagram 35 9 Wiring Diagram 37 10 Schematic Diagram 37 10 1 Main Board 37 10 2 Power Board 51 10 3 IR Board 58 10 4 Key Board 59 SAFETY NOTICE ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSIS AND BE...

Page 2: ...safety characteristics might create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from Haier Haier assumes no liability express or implied arising out of any unauthorized modification of design Servicer assumes all liability FOR PRODUCTS CONTAINING LASER DANGER Invisible laser radiations when open AVOID DIRECT EXPOSU...

Page 3: ...er LD42U7000 LD50U7000 3 Revision List Version Release Date Revision Instructions Customer Model Model A00 Otc 25 2013 Initial release LD42U7000 E42D51NCBPH7NNK A00 Otc 25 2013 Initial release LD50U7000 E50D51NCBPH7NNK ...

Page 4: ...THD 7 2x8W 12W woofer 2x8W 12W woofer Signal Input Analog RGB VGA x 1 High Definition Multimedia Interface HDMI x 3 Composite Video Input x 1 Composite Video Output x 1 Audio Input x 1 YCb Pb Cr Pr x 1 USB x 3 RF x 1 SDx 1 Coaxial x 1 Ethernet x 1 Horizontal definition TV line Composite Video input 350 YCb Pb Cr Pr 400 Composite Video input 350 YCb Pb Cr Pr 400 Ambient Temperature 0 to 45 degree C...

Page 5: ...42 50 LCD TV Haier LD42U7000 LD50U7000 5 2 Operating Instructions 2 1 Remote Control ...

Page 6: ...42 50 LCD TV Haier LD42U7000 LD50U7000 6 2 2 OSD Menus ...

Page 7: ...42 50 LCD TV Haier LD42U7000 LD50U7000 7 ...

Page 8: ...42 50 LCD TV Haier LD42U7000 LD50U7000 8 ...

Page 9: ...42 50 LCD TV Haier LD42U7000 LD50U7000 9 ...

Page 10: ...42 50 LCD TV Haier LD42U7000 LD50U7000 10 ...

Page 11: ...42 50 LCD TV Haier LD42U7000 LD50U7000 11 ...

Page 12: ...42 50 LCD TV Haier LD42U7000 LD50U7000 12 ...

Page 13: ...42 50 LCD TV Haier LD42U7000 LD50U7000 13 ...

Page 14: ...42 50 LCD TV Haier LD42U7000 LD50U7000 14 2 3 Panel Control and Rear Terminal Control ...

Page 15: ...42 50 LCD TV Haier LD42U7000 LD50U7000 15 ...

Page 16: ...42 50 LCD TV Haier LD42U7000 LD50U7000 16 ...

Page 17: ...42 50 LCD TV Haier LD42U7000 LD50U7000 17 ...

Page 18: ...42 50 LCD TV Haier LD42U7000 LD50U7000 18 ...

Page 19: ...ta for DDC 5 Ground 13 H Sync 6 Red Ground 14 V Sync 7 Green Ground 15 Serial Clock for DDC 8 Blue Ground HDMI Pin No Description Pin No Description 1 TMDS Data2 11 TMDS Clock Shield 2 TMDS Data2 shield 12 TMDS Clock 3 TDMS Data2 13 CEC 4 TMDS Data1 14 Reserved N C on device 5 TMDS Data1 shield 15 SCL 6 TMDS Data1 16 SDA 7 TMDS Data0 17 DDC CEC Ground 8 TMDS Data0 shield 18 5V Power 9 TMDS Data0 1...

Page 20: ...42 50 LCD TV Haier LD42U7000 LD50U7000 20 3 2 Input Signal Timing ...

Page 21: ...42 50 LCD TV Haier LD42U7000 LD50U7000 21 ...

Page 22: ...42 50 LCD TV Haier LD42U7000 LD50U7000 22 4 Mechanical Instructions LD42 50U7000 Step1 Remove the BASE Step2 Remove the REAR COVER ...

Page 23: ...42 50 LCD TV Haier LD42U7000 LD50U7000 23 Step3 Remove the MAIN BOARD and POWER BOARD Step4 Remove the BKT_STAND KEY BOARD SPEAKERS and IR BOARD ...

Page 24: ...42 50 LCD TV Haier LD42U7000 LD50U7000 24 Step5 Remove the DECO_BEZEL ...

Page 25: ...00 25 5 Repair Flow Chart 1 No power No power LED Off Check the AC input and the power is ON Power On Check the IR board and LED Replace the IR board Replace the main board Power board output 5 2V Replace the power board No Yes No Yes No ...

Page 26: ...t Can t start LED Blue Replace the main board Replace the Power board No Yes No Yes No No Power board output 12V 24V Check the power key is under control Check the IR receiver is normal Replace the power board Replace the key board Yes Replace the IR board ...

Page 27: ... Display Abnormal Display Reset the source Check the source Check the panel Replace the main board Replace the LVDS cable Replace the panel No No No Yes Yes Yes No No Check the main board Enter factory mode to do EEPROM initial Reset Check the LVDS cable ...

Page 28: ...el Vcc 12V Replace the Panel No display LED Red Replace the main board Check the backlight is On Check the LVDS cable Reinsert or replace the LVDS cable Replace the main board Replace the Panel No Yes Yes No Yes No No Yes Yes No Yes No Power board output 12V 24V Check TV is under control and power on off by remote control and power key ...

Page 29: ...ted adjust the volume or enter the menu to reset Reinsert the audio cable or change the TV system Replace the cable Replace the speaker Replace the main board No Yes Check the speaker resistance value is in spec Remark The value is marked on the speaker Check the audio source connection and the TV system are correct Yes No Yes No Enter factory mode to do Reset No ...

Page 30: ...n Remote Control malfunction Replace the battery Replace the remote control Whether the IR board is abnormal Yes No Replace the IR board Replace the main board No Yes No Yes Use the other remote controls Check the remote control battery is not properly placed or no power ...

Page 31: ... t work normally Key board connected properly Reconnect the key board Buttons are OK Replace the button function Yes No Key board is OK Replace the key board Replace the main board No Yes No No OSD is unstable or can t work normally Enter factory mode to do Reset Yes ...

Page 32: ...42 50 LCD TV Haier LD42U7000 LD50U7000 32 6 PCB Layout 6 1 Main Board 715G6250 M0D 000 0040 6 2 Power Board 715G5996 P01 000 0020 ...

Page 33: ...ke sure that other source s R G B is the same as component Or else adjust other source s R B G the same numerical value as component source White Balance numerical value checking Change current source to AV T 304 HDMI T349 VGA T137 one by one to make sure that the color temperature numerical value is meet the spec Picture 1 Picture 2 The color temperature is written in the White Balance program ch...

Page 34: ...and DDC Instruction 1 Copy software to USB flash disk root directory 2 Open the TV 3 Insert USB to TV Choose Enter After USB SW update OK TV will reboot 4 Press Menu 8893 then TV will enter factory menu Check SW version if OK then do reset USB SW updates OK ...

Page 35: ... Silicon Tuner Down YPbPr CVBS VGA Audio in Down CVBS 1 RL in Side S P DIF Out Via Coaxil Down Audio AMP DSP YDA174 CVBS R L Out Via Phone Jack Side YPbPr CVBS 2 Video in Down Subwoofer LVDS Out DEMOD ATBM 8869 MSD 8560IV XZ Scaler USB3 0 USB 2 0 Dual Layout Side USB1 WIFI Via USB Interface On MB USB2 0 Side USB2 0 Side USB3 USB4 USB2 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V To...

Page 36: ...B706 USB PORT 250mA 250mA 5V_Normal 3050mA 3 3V_Tuner 3 3V_Normal 5V_Normal 5V_Normal 5050mA FB703 1000 mA 600 mA 1000 mA CN112 400 400 400 mA 500 500 mA 120 mA 300 mA 30 mA 30 mA 30 mA 600mA 850mA 50 mA 130 mA 100 mA 300 mA 610 mA 30 mA 70 mA 250 mA 70 mA 350 mA 170 mA 170 mA 520 mA OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹...

Page 37: ...37 9 Wiring Diagram LD42 50U7000 KEY 6 Pin Panel M B POWER BOARD 30 Pin 9 Pin CN25 4 Pin CN27 CN15 CN16 6 Pin CN9101 12 Pin N8501 6 Pin CN25 IR 7 Pin CN2 Speaker R L ...

Page 38: ...K PC_SCL PC_VSYNC PC_HSYNC PC_SDA AV_AUOUTL1 11 VGA Rin Close to Mstar IC R1112 47K 1 10W 5 R1114 8 2K1 10W R1111 4 7K 1 10W 1 7 2 8 3 9 4 10 5 11 12 13 14 15 17 16 6 CN101 CONN R1107 100R 1 10W 5 OP_VCC Q108 MMBT3904 OP_VCC VGA Bin R118 12K 1 16W AVROUT AVOUT V 1 2 4 5 3 CN105 PHONE JACK AVLOUT 2 1 4 3 A B CN102 RCA JACK HD_LIN R107 75R 1 16W 1 R106 75R 1 16W 1 AVROUT AV2_R PC YPbPr AV2 Audio Inp...

Page 39: ...9 Close to ATBM8869 Close Tuner DBGSEL I2C Slave address 0x80 0x81 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 B B 4 18 Tuesday July 23 2013 715G6250 M0B 000 0040 称爹 04 Tuner Demod and CVBS Out G6250 M0B 000 0040 1 12XXXX L103 NC R161 NC IF IN IF IN 1 2 FB102 NC C117 NC RF_AGC_T IF_AGC T_IF AGC IF_AGC_DM R147 NC C178 1NF 500V ...

Page 40: ...ND 8 NC 9 NC 10 U503 NC 5V_Normal HDMI1 RX0N HDMI1 RX2P HDMI1 RX1P HDMI1 RX0P HDMI1 RX1N HDMI1 RX2N HDMI1 CLKP HDMI1 CLKN 3 1 2 D501 NC R539 4 7K 1 16W HDMI1 5V R536 33 OHM 1 16W R504 NC R542 0R05 1 16W HDMI1 HPDIN R530 4 7K 1 16W HDMI1 5V R534 10K 1 16W HDMI1 SDA HDMI1 SDA 11 HDMI1 HPDIN 11 HDMI1_HPD HDMI1_DET Q503 MMBT3904 HDMI1SDA R511 1Kohm 1 16W 1 HDMI1 SCL R533 10K 1 16W R535 33 OHM 1 16W R5...

Page 41: ...A USB3_SSTXP Traces of USB3 0 should be less than 10cm R176 5 1R 1 16W 0613 TX 3 TX 6 RX 1 CMT1 4 CMT2 5 RX 2 CMT3 7 CMT4 8 GND1 9 GND2 10 NC1 11 NC2 12 DATALED_N 16 DATALED_P 15 LINKLED_P 13 LINKLED_N 14 1 8 CN110 RJ45 CONN C151 100N 16V USB3_SSRXP USB3_SSTXN TD 1 TCT 2 TD 3 NC1 4 NC2 5 RD 6 RCT 7 RD 8 RX 9 TCM 10 RX 11 NC3 12 NC4 13 TX 14 TCM 15 TX 16 T100 LAN FILTER 5VUSB_PWR USB3_SSRXN 11 USB3...

Page 42: ...C 30mils A15 20 A16 19 CE1 7 OE 9 WE 15 READY IREQ 16 GND 1 GND 34 D0 30 D1 31 D2 32 D3 2 D4 3 D5 4 D6 5 D7 6 A0 29 A1 28 A2 27 A3 26 A4 25 A5 24 A6 23 A7 22 A8 12 A9 11 A10 8 A11 10 A12 21 A13 13 A14 14 WP 33 VPP1 18 VCC 17 GND 68 CD2 67 D10 66 D9 65 D8 64 BVD1 STSCHG 63 BVD2 SPKR 62 GND 35 CD1 36 D11 37 D12 38 D13 39 D14 40 D15 41 CE2 42 VS1 43 IORD 44 IOWR 45 A17 46 A18 47 A19 48 A20 49 A21 50 ...

Page 43: ...3 A DDR3 DQ6 9 A DDR3 DQ5 A DDR3 DQ11 A DDR3 DQ4 A DDR3 DQ7 9 A DDR3 DQS0 9 A DDR3 DQ1 9 A DDR3 DQ6 A DDR3 DQ2 A DDR3 DQ3 A DDR3 DM0 A DDR3 DQ1 A MVREFDQ T1 9 A MVREFCA T1 9 A MVREFCA T1 A MVREFDQ T1 A DDR3 RESET T1 A DDR3 RESET T1 9 A DDR3 A1 T1 9 A DDR3 A11 T1 9 A DDR3 A10 T1 A DDR3 A7 T1 9 A DDR3 A14 T1 A DDR3 ODT T1 A DDR3 A3 T1 A DDR3 A9 T1 A DDR3 A6 T1 9 A DDR3 WEZ T1 A DDR3 RASZ T1 A DDR3 A...

Page 44: ...8 10K 1 16W C425 1nF 50V A DDR3 DQ0 8 C445 100N 16V A DDR3 DQ1 8 B_DDR3 MCLK C414 100N 16V A DDR3 DQ2 8 A DDR3 DQ3 8 C413 100N 16V C415 100N 16V A DDR3 DQ4 8 A DDR3 DQ5 8 C412 100N 16V A DDR3 DQ6 8 A DDR3 DQ8 8 A DDR3 DQ7 8 A DDR3 DQ9 8 A DDR3 DQ11 8 A DDR3 DQ10 8 B MVREFCA T1 A DDR3 DQ13 8 A DDR3 DQ12 8 A DDR3 DQ14 8 R425 56R 1 16W 1 A DDR3 DQS1 8 A DDR3 DQ15 8 R423 56R 1 16W 1 A DDR3 DQS1B 8 A D...

Page 45: ...NC E5 NC E10 NC B1 NC C1 NC N1 U407 THGBM5G5A1JBAIR C460 100NF 16V EMMC_D3 NF_D4 NF_D3 NF_D5 EMMC_D4 EMMC_D5 NF_CLK EMMC_CLK NF_CMD EMMC_CMD NF_RSTZ EMMC_RSTZ NAND_RBZ 11 NAND_ALE 11 EMMC_D1 EMMC_D0 NAND_WPZ 11 EMMC_D2 PCM_D7 PCM_D5 PCM_D4 PCM_D6 PCM_D7 7 11 PCM_D6 7 11 PCM_D5 7 11 PCM_D4 7 11 OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component...

Page 46: ...H25 NAND_WEZ AH23 NAND_RBZ AG24 TGPIO1 AG3 NAND_CE1Z AJ24 NC AG26 EMMC_CMD AH22 EMMC_RSTZ AH21 EMMC CLK AG22 TS2_D0 AK10 NC AL10 NC AK9 NC AL9 NC AG10 NC AH10 NC AH9 NC AJ9 TS2_CLK AK11 TS2_VLD AM11 TS2_SYNC AL11 TS1_D0 AL12 TS1_D1 AK12 TS1_D2 AL13 TS1_D3 AK13 TS1_D4 AL14 TS1_D5 AH12 TS1_D6 AH13 TS1_D7 AG13 TS1_CLK AK14 TS1_VLD AM14 TS1_SYNC AM12 PCM_WAIT_N AG20 PCM_IORD_N AJ17 PCM_CD_N AH16 PCM_R...

Page 47: ...D M26 GND N7 GND N8 GND N10 GND N11 GND N12 GND N13 GND N14 GND N15 GND N16 GND N17 GND N18 GND N19 GND N20 GND N21 GND N24 GND N25 GND N26 GND P7 GND P8 GND P10 GND P11 GND P12 GND P13 GND P14 GND P15 GND P16 GND P17 GND P18 GND P19 GND P20 GND P21 GND P22 GND P24 GND P25 GND P26 GND R7 GND R8 GND R9 GND R10 GND R11 GND R12 GND R13 GND R14 GND R15 GND R16 GND R17 GND R18 GND R19 GND R20 GND R21 G...

Page 48: ...NC PANEL_POWER AI CCKP C4169 100UF 16V C3P R4226 NC C4M LVDSSEL 3D_ON LR_SYCN C4168 100N 50V LR_SYCN R4230 NC R4225 NC CCKM C3M R4221 NC R4220 NC D3P D0P D2P D4P D1P 3D_SYNC_OUT 11 17 DCKP BRT_CNTL_IN 15 17 R4227 NC PANEL_ON OFF D4M M_SCL 4 11 14 17 18 M_SDA 4 11 14 17 18 3D_SYNC_OUT D3M D2M D0M DCKM D1M R4213 NC 3 3V_Normal 3D_FLAG 0513 盢CN408э Vertical LVDS net mapping э Mstar 穝 盢CN408 CN410暗俱ㄖ ...

Page 49: ...CK 5 SDATA 6 SCLK 7 LRCLK 8 PVDDPR 9 OUTPR 10 OUTPR 11 PVSSR 12 PVSSR 13 OUTMR 14 OUTMR 15 PVDDMR 16 SLEEPN 17 PROTN 18 PLIMIT1 19 PLIMIT2 20 GAIN 21 CKMOD 22 MONO 23 MUTEN 24 PVDDML 25 OUTML 26 OUTML 27 PVSSL 28 PVSSL 29 OUTPL 30 OUTPL 31 PVDDPL 32 Epad 33 U602 YDA176 1 2 FB602 300R 4A 5VUSB 5VUSB For layout routing For layout routing 1 2 FB603 300R 4A 10mA 50mA AMP_12V 12V C779 100N 16V I2S_LRCK...

Page 50: ...731 1uF 25V R755 100K 1 C704 10uF 16V 12V_Normal 1 2 FB706 300R 4A C723 10uF 16V R748 220K 1 1 2 L704 3 3uH 27mOHM 6 8A C767 100N 16V C769 22UF 10V C770 10NF 50V C774 100N 16V C771 22UF 10V Vout 0 765 1 R1 R2 5 19V R712 4 7K 1 16W C743 1UF16V C733 10NF 50V R728 10K 1 R734 10K 1 C744 100N 16V C788 10uF 16V R747 17 4K 1 10W C738 10uF 10V R731 2 43K 1 1 5V_DDR 1 2 FB707 80OHM 4A L702 15uH C739 10uF 1...

Page 51: ...out 1 25 1 R2 R1 2 5V VI 3 VO 2 GND 1 4 4 U702 AZ1117H ADJ E1 R1 R760 0R05 1 10W R758 0R05 1 10W R720 330 OHM 1 1 10W 54 mA R762 82K 2 5V_Normal R718 330 OHM 1 1 10W 3 3V_Standby C714 1UF16V R2 5V_Normal IN 1 GND 2 SHDN 3 SET 4 OUT 5 U712 AP2127K ADJTRG1 R763 18K 1 10W 1 Vout 0 8 1 R1 R2 1 84V R770 10K 1 C760 100N 16V 121mA 417mA 50mA C708 10uF 10V C709 1UF16V C776 4 7UF 6 3V 2 2UF 16V C777 R2 R1 ...

Page 52: ...te Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A 1 5 Friday June 14 2013 01 AC input GXXXX P0A 000 0020 1 20120605 715GXXXX P0A 000 0020 SG9901 DSPL 501N A21F NC 1 2 FB9901 BEAD C9903 100PF 250V C9904 100PF 250V 1 2 FB9902 BEAD 1 2 4 3 L9901 30MH 1 2 4 3 L9902 30MH 1 3 CN9901 CONN R9904 510K 1 4W R9906 510K 1 4W R9905 510K 1 4W R9902 510K 1 4W R9903 ...

Page 53: ...53 2 PFC ...

Page 54: ...AME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A 2 5 Friday June 14 2013 02 PFC GXXXX P0A 000 0020 1 20120605 715GGXXXX P0A 000 0020 C9818 47PF C9817 47PF 1 2 FB9802 BEAD Q9801 TK15A60U VCC_ON C9815 47UF 450V 1 2 FB9803 BEAD C9811 680nF 50V 5 4 3 1 L9801 300uH R9823 150K 1 8W 1 R9802 10R 1 8W 5 R9803 33R 1 8W 5 R9813 10K OHM 5 1 8W R9810 470 OHM 1 4W R9805 20K 1 4W R9812 24K 1...

Page 55: ...DEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A 3 5 称爹 03 Main POWER 715GGXXXX P0A 000 0020 Friday June 14 2013 GXXXX P0A 000 0020 1 20120605 R9148 51 OHM 1 4W C9104 2 2NF D9103 PR1007 7 10 12 5 4 3 2 1 9 6 11 8 T9101 POWER X FMR R9140 100 OHM 1 4W 1 2 D9102 RB160M C9143 220P 50V R9401 2Kohm 1 4W 5 C9114 1NF C9138 1uF R9104 82KOHM 5 2...

Page 56: ...AT SINK R8147 750K 1 FOR Q8101 1 2 ZD8103 NC BZT52 B13 R8141 100K 1 8W 1 R8144 100K 1 8W 1 R8163 200K 1 8W 1 R8158 22OHM 5 1 8W C8113 1N 50V R8154 100K R8155 100K R8156 100K LED COMP C8121 22UF 50V 12V FB 1 GM 2 RT 3 CS 4 DIM 5 GND 6 OUT 7 VCC 8 IC8103 PF7900S э C8119 100N 50V 穝糤 传 竚 IE эLay D8120 SR515 C8106 NC R8161 10 OHM C8105 1N 50V R8175 0 05R OEM MODEL Size Rev Date Sheet of TPV MODEL PCB N...

Page 57: ... P0A 000 0020 1 20120605 715GGXXXX P0A 000 0020 12V 12V 12V C8517 1N 50V R8511 10K 1 8W 1 R8512 NC On Of f C8518 1N 50V DIM_IN DIM EN R8513 10K 1 8W 1 DIM_IN LED COMP DIM_IN LED COMP LED COMP DIM_IN EN EN EN LED COMP LED 1 LED 2 LED 1 DIM 1 EN 2 VCC 3 LED 4 GND 5 ISET 6 GM 7 COMP 8 IC8501 PF7700A LED 5 LED 2 LED 6 LED 3 LED 4 LED 5 12V LED COMP EN C8516 100N 50V C8503 0 47UF 50V R8506 12K 1 8W 1 E...

Page 58: ...Standby SCL 3 3V_Standby SDA OEM MODEL Size Rev Date Sheet of TPV MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 A A 2 2 称爹 IR BOARD C2 10UF 6 3V C3 22UF 6 3V 1 2 3 4 6 5 CN1 CONN R13 0R05 1 10W SCL SDA 3 3V_Standby 1 2 3 4 5 6 7 CN2 CONN 1 2 3 4 CN3 CONN IR in LEDR LEDB LED B LED B 5V_Standby Q1 NC 2N7002 Q2 NC 2N7002 GND 1 VCC 2 Vout 3 GND 4 U2 V838M3 TR1 IR in R3...

Page 59: ... MODEL PCB NAME 称爹 T P V Top Victory Electronics Co Ltd Key Component 絬 隔 瓜 絪 腹 42LCD TV A X Custom 2 2 Friday February 03 2012 715GXXXX 称爹 02 Keypad GXXXX 1 X X 1 120112 C002 NC 0 1uF 16V SW001 TACT SW FWRD H1 5MM 0V 1 2 3 4 6 5 CN001 CONN 2 4V R008 0R05 1 10W R009 0R05 1 10W PWR SW 077G 607 2 FD R004 0R05 1 10W SW002 TACT SW FWRD H1 5MM SW003 TACT SW FWRD H1 5MM SW004 TACT SW FWRD H1 5MM SW005 T...

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