background image

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

ARDQ8

ARDQ10

AM81_AV12

AM81_DV33

ARBA0

A2_BA0

GND

ARCKE

A2_CKE

VTT_CS

ARWE#

ARDQ2

A1_CKE

ARCS#

A1_A0

A1_A1

ACLK1#

ACLK1

ACLK0#

ACLK0

A1_A2

A1_A3

A1_A4

A1_A5

A1_A6

A1_A7

A2_RAS#

A2_WE#

A2_ODT

A2_CS#

A1_A8

A1_A9

A1_A10

A1_A11

ARDQ16

ARDQ17

A2_CAS#

A1_A12

ARCLK0

ARCLK0#

ARCLK1

ARDQ18

ARDQ19

ARDQ20

ARDQ21

ARDQ22

ARCLK1#

ARDQ23

ARDQ24

ARDQ25

ARDQ26

ARDQ27

ARDQ28

ARDQ29

ARDQ30

ARDQ31

ARCLK0

ARCLK0#

A2_A0

A2_A1

ARCLK1

ARCLK1#

A2_A2

A2_A3

A2_A4

A2_A5

A2_A6

A2_A7

A2_A8

A2_A9

A2_A10

A2_A11

A2_A12

A1_RAS#

A1_WE#

A1_ODT

A1_CS#

A1_CAS#

A1_CKE

A2_CKE

ACLK0#

AMEMTP

AMEMTN

ACLK0

ARDQM2

ARDQM3

ARDQM0

ARDQM1

ARDQS1

ARDQS3

ARDQS3#

ARDQS1#

ARDQS0

ARDQS2

ARDQS2#

ARDQS0#

ACLK1#

ARDQ16

ARCAS#

ARA1

ARA5

ARA4

ARA12

ARDQ17

ARDQ31

ARDQ19

ARDQ30

ARA11

ARA9

ARA8

ARCKE

ARODT

ARA2

ARDQ18

ARA0

ARA6

ARA7

ARRAS#

ARCS#

ACLK1

ARDQ21

ARDQ20

ARDQ28

ARDQ23

ARWE#

ARA10

ARA3

ARBA1

ARBA0

ARDQ22

ARDQ29

ARDQ27

ARDQ24

ARDQ25

ARDQ26

ARDQ1

ARDQ2

ARDQ3

ARDQ7

ARDQ6

ARDQ5

ARDQ0

ARDQ4

ARDQS0

ARDQS1

ARDQS2

ARDQM2

ARDQM3

ARDQS3

GND

ARDQ15

ARDQ14

AAV12_MEMPLL

ARDQ0

ARDQ1

ARDQ9

ARDQ3

ARDQ4

ARDQ6

ARDQ13

ARDQ8

ARDQ12

ARDQ11

ARDQ7

AMEM_VREF

ARDQ9

ARDQ11

ARDQ12

ARDQ13

ARDQ14

A1_BA0

ARDQ10

ARDQ15

ARDQM1

ARDQM0

ARDQS3#

ARDQS2#

AMEM_VREF

ARDQS1#

ARDQS0#

AMEM_VREF

A1_BA1

A1_BA0

A2_BA0

A2_BA1

ARDQ5

ARCKE

ARA4

ARA11

ARA0

ARA2

ARA1

ARBA1

ARA12

ARA7

ARA5

ARA8

ARA6

ARA9

A2_A4

A2_A0

A2_CAS#

A2_CS#

A2_RAS#

A2_ODT

ARODT

ARA10

ARA3

ARRAS#

ARCAS#

ARCS#

A2_WE#

A2_A10

A2_A3

A2_A7

A2_A12

A2_BA1

A2_A1

A2_A5

A2_A9

A2_A6

A2_A8

A2_A2

A2_A11

A1_WE#

ARA4

ARA8

ARA0

ARA6

A1_A10

A1_A3

ARA5

ARA9

ARA12

ARA7

A1_A7

A1_A12

A1_A9

A1_A5

ARA1

ARA11

ARA2

ARBA1

A1_A1

A1_BA1

A1_A2

A1_A11

A1_A8

A1_A6

A1_A4

A1_A0

A1_CAS#

A1_CS#

A1_RAS#

A1_ODT

ARODT

ARWE#

ARA10

ARA3

ARRAS#

ARCAS#

ARCS#

ARBA0

AM81_AV12

AM81_DV33

ADR_DV33

AM81_DDRV

AM81_DDRV

AM81_DDRV

AM81_DDRV

AMEM_VREF

AM81_AV12

AM81_DDRV

AM81_DDRV

AM81_DDRV

AM81_DDRV

ADR_DV33

AM81_DV33

AAV12_MEMPLL

AM81_DDRV

AM81_DDRV

AM81_AV12

2,3,5

AM81_DV33

2

,3

GND

2,3,5

Title

Size

Document Number

Rev

Date:

Sheet

of

MediaTek Inc.

TEL:(03)567-0766  FAX:(03)578-7610

No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300

Drawn

MT8281_D2V1

C

45

Friday, December 04, 2009

DDR2x2 DRAM

MediaTek Confidential

Title

Size

Document Number

Rev

Date:

Sheet

of

MediaTek Inc.

TEL:(03)567-0766  FAX:(03)578-7610

No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300

Drawn

MT8281_D2V1

C

45

Friday, December 04, 2009

DDR2x2 DRAM

MediaTek Confidential

Title

Size

Document Number

Rev

Date:

Sheet

of

MediaTek Inc.

TEL:(03)567-0766  FAX:(03)578-7610

No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300

Drawn

MT8281_D2V1

C

45

Friday, December 04, 2009

DDR2x2 DRAM

MediaTek Confidential

Swap for 2 layer PCB layout 02/18/09

For Measurement

Swap for 2 layer PCB layout 02/18/09

CAPs for AV12_MEMPLL

Max

CAPs for DRAM IO Power ( Beneath the DDR#1 )

CAPs for DRAM IO Power ( Beneath the MT8281 )

CAPs for DRAM IO Power ( Beneath the DDR#2 )

Termination For CS#

Close to MT8281

Damping and Termination for CLK

Close to DRAM

800MHz

800MHz

DDR#2 MSB

DDR#1 LSB

MEM_VREF Circuit

Damping for DDR#2 ADDR/CMD

Damping for DDR#1 ADDR/CMD

LDO#2 for DRAM Power

CD33 for improve High Frequecy line rejection

1.25 x (1+121/280)+55uA*121 = 1.8V /0.9A

ACD144 0.1uF

ACD144 0.1uF

ACD138 4.7nF

ACD138 4.7nF

ARD49

22

ARD49

22

ACD149 330pF_C0G_50V

ACD149 330pF_C0G_50V

ARND12

56x4

ARND12

56x4

1

2

3

4

5

6

7

8

ACD130

0.1uF

ACD130

0.1uF

ARD57

1K_1%

R0402/SMD

ARD57

1K_1%

R0402/SMD

AFB79

0603_Bead

AFB79

0603_Bead

ACD151 4.7nF

ACD151 4.7nF

ACD131

330pF_C0G_50V

ACD131

330pF_C0G_50V

ARND8

56x4

ARND8

56x4

1

2

3

4

5

6

7

8

ACD160

0.1uF

ACD160

0.1uF

ACD155 NS/0.1uF

ACD155 NS/0.1uF

ATP11ATP11

ATP10ATP10

ARD54

280_1%

R0603/SMD

ARD54

280_1%

R0603/SMD

ACD139 330pF_C0G_50V

ACD139 330pF_C0G_50V

ARD52

22

ARD52

22

ARND6

56x4

ARND6

56x4

1

2

3

4

5

6

7

8

ARD66

NS/100

ARD66

NS/100

ACD152 NS/0.1uF

ACD152 NS/0.1uF

ACD154 1.5nF_X7R_50V

ACD154 1.5nF_X7R_50V

ARD64

NS/100

ARD64

NS/100

ARND9

56x4

ARND9

56x4

1

2

3

4

5

6

7

8

ARD50

22

ARD50

22

ACD123

1.5nF_X7R_50V

ACD123

1.5nF_X7R_50V

ACD128

0.1uF

ACD128

0.1uF

ACD157

10uF/10V

ACD157

10uF/10V

CD33

4.7uF/10V

CD33

4.7uF/10V

ACD137 1.5nF_X7R_50V

ACD137 1.5nF_X7R_50V

ARD63

56

ARD63

56

ACD126

0.1uF

ACD126

0.1uF

ACD115

4.7nF

ACD115

4.7nF

ACD140 0.1uF

ACD140 0.1uF

ARD58

300

ARD58

300

ARD47

22

ARD47

22

ACD142 NS/0.1uF

ACD142 NS/0.1uF

ACD147 4.7nF

ACD147 4.7nF

ARD62

56

ARD62

56

ACD134 330pF_C0G_50V

ACD134 330pF_C0G_50V

ARD61

56

ARD61

56

ACD146 0.1uF

ACD146 0.1uF

ACD118

4.7nF

ACD118

4.7nF

AUD4

32Mx16 DDR2

AUD4

32Mx16 DDR2

VDD

A1

NC

A2

VSS

A3

VSSQ

A7

UDQS

A8

VDDQ

A9

DQ14

B1

VSSQ

B2

UDM

B3

UDQS

B7

VSSQ

B8

DQ15

B9

VDDQ

C1

DQ9

C2

VDDQ

C3

VDDQ

C7

DQ8

C8

VDDQ

C9

DQ12

D1

VSSQ

D2

DQ11

D3

DQ10

D7

VSSQ

D8

DQ13

D9

VDD

E1

NC

E2

VSS

E3

VSSQ

E7

LDQS

E8

VDDQ

E9

DQ6

F1

VSSQ

F2

LDM

F3

LDQS

F7

VSSQ

F8

DQ7

F9

VDDQ

G1

DQ1

G2

VDDQ

G7

DQ0

G8

VDDQ

G9

DQ4

H1

VSSQ

H2

DQ3

H3

DQ2

H7

VSSQ

H8

DQ5

H9

VDDL

J1

VREF

J2

VSS

J3

VSSDL

J7

CK

J8

VDD

J9

CKE

K2

WE

K3

RAS

K7

CK

K8

ODT

K9

NC/BA2

L1

BA0

L2

BA1

L3

CAS

L7

CS

L8

A10/AP

M2

A1

M3

A2

M7

A0

M8

VDD

M9

VSS

N1

A3

N2

A5

N3

A6

N7

A4

N8

A7

P2

A9

P3

A11

P7

A8

P8

VSS

P9

VDD

R1

A12

R2

NC/A14

R3

NC/N15

R7

NC/A13

R8

VDDQ

G3

ARD55

121_1%

R0603/SMD

ARD55

121_1%

R0603/SMD

AU64

AP1084-ADJ

TO-263-3/SMD

AU64

AP1084-ADJ

TO-263-3/SMD

IN

3

ADJ/G

ND

1

OUT

2

ACD153 0.1uF

ACD153 0.1uF

ACD125

NS/0.1uF

ACD125

NS/0.1uF

ARD56

1K_1%

R0402/SMD

ARD56

1K_1%

R0402/SMD

ARD48

100

ARD48

100

AUD3

32Mx16 DDR2

AUD3

32Mx16 DDR2

VDD

A1

NC

A2

VSS

A3

VSSQ

A7

UDQS

A8

VDDQ

A9

DQ14

B1

VSSQ

B2

UDM

B3

UDQS

B7

VSSQ

B8

DQ15

B9

VDDQ

C1

DQ9

C2

VDDQ

C3

VDDQ

C7

DQ8

C8

VDDQ

C9

DQ12

D1

VSSQ

D2

DQ11

D3

DQ10

D7

VSSQ

D8

DQ13

D9

VDD

E1

NC

E2

VSS

E3

VSSQ

E7

LDQS

E8

VDDQ

E9

DQ6

F1

VSSQ

F2

LDM

F3

LDQS

F7

VSSQ

F8

DQ7

F9

VDDQ

G1

DQ1

G2

VDDQ

G7

DQ0

G8

VDDQ

G9

DQ4

H1

VSSQ

H2

DQ3

H3

DQ2

H7

VSSQ

H8

DQ5

H9

VDDL

J1

VREF

J2

VSS

J3

VSSDL

J7

CK

J8

VDD

J9

CKE

K2

WE

K3

RAS

K7

CK

K8

ODT

K9

NC/BA2

L1

BA0

L2

BA1

L3

CAS

L7

CS

L8

A10/AP

M2

A1

M3

A2

M7

A0

M8

VDD

M9

VSS

N1

A3

N2

A5

N3

A6

N7

A4

N8

A7

P2

A9

P3

A11

P7

A8

P8

VSS

P9

VDD

R1

A12

R2

NC/A14

R3

NC/N15

R7

NC/A13

R8

VDDQ

G3

ACD136 NS/0.1uF

ACD136 NS/0.1uF

ACD158

4.7uF/10V

ACD158

4.7uF/10V

ARND7

56x4

ARND7

56x4

1

2

3

4

5

6

7

8

ARND13

56x4

ARND13

56x4

1

2

3

4

5

6

7

8

ACD141 1.5nF_X7R_50V

ACD141 1.5nF_X7R_50V

ACD148 330pF_C0G_50V

ACD148 330pF_C0G_50V

ARND4

56x4

ARND4

56x4

1

2

3

4

5

6

7

8

ACD150 0.1uF

ACD150 0.1uF

ACD113

NS/0.1uF

ACD113

NS/0.1uF

ACD159

4.7uF/10V

ACD159

4.7uF/10V

+

ACDE5

470uF/10v

+

ACDE5

470uF/10v

ARD51

100

ARD51

100

ACD156 1.5nF_X7R_50V

ACD156 1.5nF_X7R_50V

ACD145 0.1uF

ACD145 0.1uF

ACD135 0.1uF

ACD135 0.1uF

ACD129

0.01uF

ACD129

0.01uF

+

ACDE3

470uF/10v

+

ACDE3

470uF/10v

ARND11

56x4

ARND11

56x4

1

2

3

4

5

6

7

8

+

ACDE2

Low ESR 470uF/6.3v

+

ACDE2

Low ESR 470uF/6.3v

ACD15

NS/0.1uF

ACD15

NS/0.1uF

ACD119

330pF_C0G_50V

ACD119

330pF_C0G_50V

+

ACDE4

470uF/10v

+

ACDE4

470uF/10v

ARND5

56x4

ARND5

56x4

1

2

3

4

5

6

7

8

ACD114

4.7nF

ACD114

4.7nF

ACD116

1.5nF_X7R_50V

ACD116

1.5nF_X7R_50V

ACD133 0.1uF

ACD133 0.1uF

ACD127

1uF

ACD127

1uF

ACD121

0.1uF

ACD121

0.1uF

MT8282_BGA_20081008_Final

AU60B

MT8282_BGA_20081008_Final

AU60B

RDQ8

A10

RDQS1

A11

RDQS0_

A12

RDQ12

A14

RDQ1

A15

RDQ4

A16

RRAS_

A6

RDQ2

A8

RDQ10

B10

RDQS1_

B11

RDQS0

B12

RDQ9

B13

RDQ11

B14

RDQ3

B15

RCS_

B6

RDQ0

B9

RDQ13

C10

RDQ6

C14

RODT

C7

RDQ5

C8

RDQ15

D10

RDQ14

D12

RDQM1

D13

RBA1

D5

RCAS_

D7

RDQ7

D9

RWE_

E1

RDQM0

E12

RBA2

E2

RCKE

E3

RBA0

E4

RDQ17

G1

RDQ19

G2

RDQ20

G3

RDQ27

H1

RDQ25

H2

RDQ28

H3

RDQ22

H4

RDQM3

J2

RDQ30

J4

RDQS2_

K1

RDQS2

K2

RDQM2

K3

RDQS3

L1

RDQS3_

L2

RDQ24

L4

RDQ26

M2

RDQ29

M3

RDQ31

M4

RDQ16

M5

RDQ18

N1

RDQ23

N2

RDQ21

N4

REXTDN

R1

MEMTN

A1

VCC2IO

A17

MEMTP

A2

RA1

A3

RA2

A4

RCLK0_

A7

RA9

B1

VCC2IO

B16

RA5

B3

RA11

B4

RA6

B5

RCLK0

B7

VCC2IO

B8

RA7

C1

VCC2IO

C15

RA12

C2

RA8

C5

RA0

C6

VCC2IO

C9

VCC2IO

D14

RA10

D2

RA3

D3

RA4

D6

VCC2IO

D8

VCC2IO

E13

VCC2IO

E7

VCC2IO

E8

VCC2IO

E9

VCC2IO

F1

VCC2IO

F2

VCC2IO

F3

RVREF0

F4

RVREF0

F5

VCC2IO

G4

VCC2IO

G5

AVDD12_MEMPLL

H8

AVSS12_MEMPLL

J8

VCC2IO

L5

VCC2IO

N5

RCLK1_

P1

RCLK1

P2

VCC2IO

P3

VCC2IO

P4

VCC2IO

P5

VCC2IO

R2

VCC2IO

R3

VCC2IO

R4

VCC2IO

T1

VCC2IO

T2

VCC2IO

T3

VCC2IO

U1

ACD143 4.7nF

ACD143 4.7nF

ARND10

56x4

ARND10

56x4

1

2

3

4

5

6

7

8

ARD60

56

ARD60

56

ACD120

4.7nF

ACD120

4.7nF

Summary of Contents for HL40XSL2

Page 1: ... service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death Haier Group 2009 Qingdao Haier Electronics Co Ltd All rights reserved Unauthorized copying and distribution is a violation...

Page 2: ...sed in this manual 6 1 4 How to Read this Service Manual 7 1 4 1 Using icons 7 Chapter 2 Specification 2 1 Specification list 8 2 2 External pictures four faces 9 Chapter 3 Disassemble and Assemble 3 1 Remove the Stand 10 3 2 Remove the Power Cord 11 3 3 Remove the Back Cover 11 3 4 Remove the Mainboard 11 3 5 Remove the speaker 11 3 6 Remove the Keypad 12 3 7 Remove the Remote Control Board 12 3 ...

Page 3: ... control 28 Chapter 7 Electrical Parts 7 1 Block Diagram 29 7 2 Circuit Diagram 31 7 3 Wiring Connection Diagram 45 Chapter 8 Measurements and Adjustments 8 1 Service Mode 46 8 1 1 How to enter into Service Mode 46 8 1 2 How to exit 46 8 2 Measurements and Adjustments 46 8 2 1 The Main Menu 46 8 2 2 Video 47 8 2 3 Audio 48 8 2 4 Software UpDate 48 Chapter 9 Trouble shooting 9 1 Simple check 49 9 2...

Page 4: ...r the service personnel to open the units and disassemble the units For example we need to describe properly how to avoid the possibility to get electrical shock from the live power supply or charged electrical parts even the power is off This symbol indicates that high voltage is present inside It is dangerous to make any kind of contact with any inside part of this product This symbol indicates ...

Page 5: ...mbly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 1 3 4 About lead free solder PbF This product is manufactured using lead free solder as a part of a movement within the consumer products industry at large to be environmentally responsible Lead free solder must be used in the servicing and repairing of this product 1 3 5 Use the ...

Page 6: ...se in this service manual lubrication of contacts is not required Capacitors may result in an explosion hazard 5 Do not defeat any plug socket B voltage interlocks with which receivers covered by this service manual might be equipped 6 Do not apply AC power to this instrument and or any of its electrical assemblies unless all solid state device heat sinks are correctly installed 7 Always connect t...

Page 7: ...ill be installed CAUTION Be sure no power is applied to the chassis or circuit and observe all other safety precautions 17 Minimize bodily motions when handling unpackaged replacement ES devices Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ES device 1 3 7 Orde...

Page 8: ...e but may nevertheless be valuable to the reader such as tips and tricks Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury Reference A reference guides the reader to other places in this binder o...

Page 9: ...me ms 6 ms Angel of view 178 Contrast 5000 1 Brightness 450cd m2 OSD language English etc Color system ATSC Audio system BTSC Audio output power Built in W 9W 2 Audio output power outer W No Total power input W 120W Voltage range V 108 132V Power frequency Hz 60HZ Net weight KG 18 4 Gross weight KG 26 Net dimension MM 989 280 689 Packaged dimension MM 1360 290 760 ...

Page 10: ...Service Manual Model No LEA40T3 9 2 2 External pictures four faces Front Side Left Side ...

Page 11: ... 1 Remove the Stand 1 Lay down the unit so that back cover faces upward 2 Remove the Five screws from the back cover which are indicated with the circles in the picture above 3 Remove the stand Service Manual Model No LEA40T3 10 Back Side ...

Page 12: ...ower Cord Then remove the power cord Remove the screw indicated by the red circles in below picture Then remove the mainboard 3 4 Remove the Mainboard Remove the five screws indicated by the red circles in below picture 3 5 Remove the speaker Remove the screw indicated by the red circles in below picture Then remove the speaker Service Manual Model No LEA40T3 11 ...

Page 13: ...he remote control board 3 7 Remove the Remote Control Board 3 9 Remove the indicator light The indicator light is buckled into the front frame remove the clasp indicated by the red circles in below picture Take out the indicator light 3 8 Remove the Stand backstop Remove the six screws indicated by the red circles in below picture Take out the stand backstop Service Manual Model No LEA40T3 12 ...

Page 14: ...of Controls and Components 4 1 Board Location No Parts number Description A Board C PANEL B Board Power Board C Board M Mainboard 4 2 Main Board Service Manual Model No LEA40T3 13 A B C CND4 CND3 CON2 CNE2 CNA1 CND5 CNE1 ...

Page 15: ... ROUT 12V 5V Connector CNA1 Keypad Connector CNE2 Pin number Signal name 1 12V 2 12V 3 GND 4 12V 5 GND 6 GND 7 5VSTB 8 9 GND 10 PW ON OFF 11 PB ADJUS 12 PB ON OFF Pin number Signal name 1 GND 2 KEY1 3 KEY0 4 3 3VS Rom connector CNE1 Pin number Signal name 1 5VS 2 IR 3 LED R 4 LED G 5 GND 4 3 Power Supply Board 4 3 1 Function description To supply power for Mainboard Panel 4 3 2 Connector definition...

Page 16: ...4 4 LCD Panel Pin number Signal name 1 12V 2 12V 3 GND 4 12V 5 GND 6 GND 7 5VSB 8 EXT_DIM 9 GND 10 PS ON 11 INT_DIM 12 BL_ON Service Manual Model No LEA40T3 15 CNM801 CN2 CN1 ...

Page 17: ... 1 st 5 th LVDS Signal 11 Rx1 0 P 1 st 5 th LVDS Signal 12 Rx1 1 N 1 st 5 th LVDS Signal 13 Rx1 1 P 1 st 5 th LVDS Signal 14 Rx1 2 N 1 st 5 th LVDS Signal 15 Rx1 2 P 1 st 5 th LVDS Signal 16 GND Ground 17 Rx1CLK 1 st 5 th LVDS Clock 18 Rx1CLK 1 st 5 th LVDS Clock 19 GND Ground 20 Rx1 3 N 1 st 5 th LVDS Signal 21 Rx1 3 P 1 st 5 th LVDS Signal 22 Rx1 4 N 1 st 5 th LVDS Signal 23 Rx1 4 P 1 st 5 th LV...

Page 18: ...gnal 29 Rx3 2 N 3 rd 7 th LVDS Signal 30 Rx3 2 P 3 rd 7 th LVDS Signal 31 GND Ground 32 Rx3CLK 3 rd 7 th LVDS Clock 33 Rx3CLK 3 rd 7 th LVDS Clock 34 GND Ground 35 Rx3 3 N 3 rd 7 th LVDS Signal 36 Rx3 3 P 3 rd 7 th LVDS Signal 37 Rx3 4 N 3 rd 7 th LVDS Signal 38 Rx3 4 P 3 rd 7 th LVDS Signal 39 GND Ground 40 NC NC 41 NC NC Service Manual Model No LEA40T3 17 ...

Page 19: ...al 13 Rx2 1 P 2 nd 6 th LVDS Signal 14 Rx2 2 N 2 nd 6 th LVDS Signal 15 Rx2 2 P 2 nd 6 th LVDS Signal 16 GND Ground 17 Rx2CLK 2 nd 6 th LVDS Clock 18 Rx2CLK 2 nd 6 th LVDS Clock 19 GND Ground 20 Rx2 3 N 2 nd 6 th LVDS Signal 21 Rx2 3 P 2 nd 6 th LVDS Signal 22 Rx2 4 N 2 nd 6 th LVDS Signal 23 Rx2 4 P 2 nd 6 th LVDS Signal 24 GND Ground 25 Rx4 0 N 4 th 8 th LVDS Signal 26 Rx4 0 P 4 th 8 th LVDS Sig...

Page 20: ...K 4 th 8 th LVDS Clock 34 GND Ground 35 Rx4 3 N 4 th 8 th LVDS Signal 36 Rx4 3 P 4 th 8 th LVDS Signal 37 Rx4 4 N 4 th 8 th LVDS Signal 38 Rx4 4 P 4 th 8 th LVDS Signal 39 GND Ground 40 NC NC 41 NC NC 42 NC NC 43 NC NC 44 NC NC 45 LVDS_SEL HIGH 3 3V Normal LVDS Format LOW GND JEIDA LVDS Format 46 NC NC 47 NC NC 48 NC NC 49 NC NC 50 NC NC 51 NC NC Service Manual Model No LEA40T3 19 ...

Page 21: ...ntenna Connection Connect one end of a coaxial cable not included to the ANT IN jack on the back of your TV DVD combo then connect the other end of the cable into the antenna or cable TV wall outlet 7R LPSURYH SLFWXUH TXDOLW IURP DQ DQWHQQD LQ D SRRU VLJQDO DUHD LQVWDOO D VLJQDO DPSOL HU Service Manual Model No LET40T3 20 ...

Page 22: ...st for you VCR connection Connecting a VCR with a standard AV cable A standard AV connection provides good video and audio To connect a VCR with a standard AV cable 1 Make sure that your TV DVD combo and the VCR are turned off 2 Connect a standard AV cable not included to the VIDEO IN yellow and adjust R red and L white AUDIO jacks on the back of your TV DVD combo then connect the other end of the...

Page 23: ...hen press ENTER External Equipment Connections Connecting a component video device A component video device provides better video than an S Video connection To connect a component video device 1 Make sure that your TV DVD combo and the component video device are turned off 2 Connect a component video cable not included to the Pr Pb and V jades on the back of your TV DVD combo then connect the othe...

Page 24: ...Chapter 6 Operation Instructions 6 1 Front Panel Controls Service Manual Model No LEA32T3 23 ...

Page 25: ...Service Manual Model No LEA32T3 24 6 2 Back Panel Controls ...

Page 26: ...nt modes TV VCR CABLE DVD SETBOX or AUDIO Pressing the corresponding button on the remote control allows you to switch between these modes DQG FRQWURO ZKLFKHYHU SLHFH RI HTXLSPHQW RX FKRRVH Note The remote control might not be compatible with all DVD Players VCRs and Cable boxes Service Manual Model No LEA32T3 25 ...

Page 27: ...Chapter 7 Electrical Parts 7 1 Block Diagram Service Manual Model No LEA32T3 26 ...

Page 28: ...awn MT5305A P1V1 V1 C 2 15 Friday December 04 2009 Placement SYS Flow MediaTek Confidential By Ray DELETE S_VIDEO AIN0 Audio Mapping AV1 VGA DVI 2 1 AV2 YPBPR 1 I2S PWM AR L0 PWM AR L1 R L Line out MT5305A Tuner MPX IF ADC_IN R L x 4 LM4558 LM4558 Speaker HeadPhone TDA1308 NC I2S PWM AR L0 PWM AR L1 MT5305A R L Line out Tuner MPX IF ADC_IN R L x 5 LM4558 AV1 LM4558 For 19 22 24 model 4 AUDIO IN Au...

Page 29: ...7uF 16v NC ACE641 47uF 16v NC AC993 1uF AC993 1uF C26 0 1uF C26 0 1uF AR264 5 1K_1 R0603 SMD AR264 5 1K_1 R0603 SMD ACB442 0 1uF ACB442 0 1uF AFB87 80 R 100mHz AFB87 80 R 100mHz AR268 27K_1 R0603 SMD AR268 27K_1 R0603 SMD ACB623 0 1uF ACB623 0 1uF ACE637 220uF 16v NC ACE637 220uF 16v NC AU61 AX1212 AP1122 AU61 AX1212 AP1122 GND 1 OUT 2 IN 3 AC222 0 1uF AC222 0 1uF AR265 2 2K AR265 2 2K ACB626 0 1u...

Page 30: ...SPC4 1uF SPC4 1uF C6 10nF C6 10nF SPC9 1uF SPC9 1uF R88 100K R88 100K SPC21 NS 1uF SPC21 NS 1uF C15 0 1uF C15 0 1uF SPC3 47uF 16v SPC3 47uF 16v SPR3 180_1 R0603 SMD SPR3 180_1 R0603 SMD L5 10uH 3A L5 10uH 3A 1 2 SPC10 0 1uF SPC10 0 1uF C22 0 1uF C22 0 1uF SPU4 AX1117EJ adj SPU4 AX1117EJ adj GND 1 OUT 2 IN 3 SPC2 NS 0 1uF SPC2 NS 0 1uF SPU1 G1117 adj SPU1 G1117 adj ADJ GND 1 OUT 2 IN 3 SPU3 AP1084 ...

Page 31: ...VSS K8 DVSS K9 DVSS L10 DVSS L11 DVSS L12 DVSS L3 DVSS L9 DVSS M10 DVSS M11 DVSS M13 DVSS M8 DVSS N11 DVSS N12 DVSS N3 DVSS N9 DVSS T12 DVSS U5 DVSS V5 VCCK A18 VCCK A19 VCCK A20 VCCK B17 VCCK B18 VCCK C16 VCCK C17 VCC3IO_3 C18 VCCK D15 VCCK D16 VCCK E14 VCCK E15 VCCK H10 VCCK H12 VCCK J11 VCCK J13 VCCK J9 VCCK L13 VCCK L8 VCCK M12 VCCK M9 VCCK N10 VCCK N13 VCCK N8 VCC3IO_1 R5 VCC3IO_1 T4 VCC3IO_2...

Page 32: ...DDRV 5 AV125 3 5 8 9 12 ADIN5 9 OPWM2 6 ADIN4 14 AVDD33_HDMI 8 AOLRCK AOBCK AOMCLK AOSDATA0 ADIN1 6 ADIN0 6 AIN0_L AIN0_R CVBS0P 9 OPWR0_5V 8 HPD_SINK 8 LVDS_CTRL2 Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 4 15 Thursday December 03 2009 MT5305A MediaTek Confidential Title Size Docu...

Page 33: ...3 1 5nF_X7R_50V ACD128 0 1uF ACD128 0 1uF ACD157 10uF 10V ACD157 10uF 10V CD33 4 7uF 10V CD33 4 7uF 10V ACD137 1 5nF_X7R_50V ACD137 1 5nF_X7R_50V ARD6356 ARD6356 ACD126 0 1uF ACD126 0 1uF ACD115 4 7nF ACD115 4 7nF ACD140 0 1uF ACD140 0 1uF ARD58 300 ARD58 300 ARD4722 ARD4722 ACD142 NS 0 1uF ACD142 NS 0 1uF ACD147 4 7nF ACD147 4 7nF ARD6256 ARD6256 ACD134 330pF_C0G_50V ACD134 330pF_C0G_50V ARD6156 ...

Page 34: ...15 0 1uF CD15 0 1uF CD30 NS 0 1uF CD30 NS 0 1uF RD26 1K_1 RD26 1K_1 RD19 56 RD19 56 CD3 NS 0 1uF CD3 NS 0 1uF CD31 0 1uF CD31 0 1uF CD25 0 1uF CD25 0 1uF CD12 1uF CD12 1uF CD32 4 7uF 10V CD32 4 7uF 10V RD18 1K_1 RD18 1K_1 CM22 0 1uF CM22 0 1uF CD14 0 1uF CD14 0 1uF CD24 0 1uF CD24 0 1uF CD1 0 1uF CD1 0 1uF RND7 56 RND7 56 1 2 3 4 5 6 7 8 CD29 0 1uF CD29 0 1uF CM21 0 1uF CM21 0 1uF RD14 22 RD14 22 ...

Page 35: ...03 BR33 4 7K NC R0402 SMD BR33 4 7K NC R0402 SMD AC1026 0 1uF C0402 SMD A AC1026 0 1uF C0402 SMD A ATP14 TP SMD D0 6 ATP14 TP SMD D0 6 AFB81 0603_Bead BEAD SMD 0603 AFB81 0603_Bead BEAD SMD 0603 BR38 4 7K NC R0402 SMD BR38 4 7K NC R0402 SMD AFB80 0603_Bead BEAD SMD 0603 AFB80 0603_Bead BEAD SMD 0603 ATP30 TP SMD D0 6 ATP30 TP SMD D0 6 BR46 0R NC R0402 SMD BR46 0R NC R0402 SMD BR34 4 7K R0402 SMD B...

Page 36: ...I NORMAL NEAR IC 20090612 Modify 09 06 19 KEY PANEL HI LED RED LO LED GREEN FOR DEBUGGING RESEVED FOR EXTEND FUNCTION Layout anywhere TP25 TP25 PR1 33 PR1 33 Q63 2N3904 Q63 2N3904 1 3 2 R1774 100 R1774 100 CNA2 USB CON CNA2 USB CON __VBUS 1 __D 2 __D 3 __GND 4 GND 5 GND 6 R1770 15K R1770 15K CNB2 PH3 4A NC CNB2 PH3 4A NC 1 2 3 4 D2 ESD_0402_10pF D2 ESD_0402_10pF 1 2 YU1 EEPROM 24C32 W YU1 EEPROM 2...

Page 37: ... SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 7 15 Friday November 27 2009 FLASH TRAP BYPASS FCI MediaTek Confidential Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 7 15 Friday November 27 2009 FLASH TRAP BYPASS FCI MediaTek Confidential By Ray Serial Flash Dual Layout 8MB default XT...

Page 38: ...42 1 2 D101 RB520S 30 NC D101 RB520S 30 NC 2 1 D15 D15 1 2 D99 D99 1 2 D90 ESD_0402_10pF D90 ESD_0402_10pF 1 2 D50 ESD_0402_10pF D50 ESD_0402_10pF 1 2 HR35 0 HR35 0 R14 33K R14 33K D64 ESD_0402_0 15pF D64 ESD_0402_0 15pF 1 2 D100 D100 1 2 D117 ESD_0402_10pF D117 ESD_0402_10pF 1 2 CN10 HDMI_con CN10 HDMI_con SHELL1 20 SHELL2 21 D2 1 D2 Shield 2 D2 3 D1 4 D1 Shield 5 D1 6 D0 7 D0 Shield 8 D0 9 CK 10...

Page 39: ...nF VC2 10nF QF6 2N7002 QF6 2N7002 1 3 2 VR18 10K VR18 10K VR4 0 VR4 0 OC18 560pF OC18 560pF VR22 47K VR22 47K VC4 10nF VC4 10nF GC8 2 2uF GC8 2 2uF BC18 15pF BC18 15pF VR26 10K VR26 10K GR4 0 GR4 0 GR5 100 GR5 100 D58 ESD_0402_10pF D58 ESD_0402_10pF 1 2 D71 ESD_0402_10pF D71 ESD_0402_10pF 1 2 VR12 0 VR12 0 VR9 10K VR9 10K OC14 560pF OC14 560pF OC19 560pF OC19 560pF BC15 15pF BC15 15pF VR19 10K VR1...

Page 40: ...4558 3 2 1 8 4 STR21 75 STR21 75 CE629 22uF 16v CE629 22uF 16v R1781 4 7K R1781 4 7K C647 1000pF C647 1000pF L147 FB L147 FB EC2 100pF NC EC2 100pF NC Q60 2N3904 Q60 2N3904 1 3 2 R1730 10K R1730 10K EC16 220uF 16v EC16 220uF 16v CE642 22uF 16v CE642 22uF 16v C645 100pF C645 100pF C11 10uF 16v C11 10uF 16v R1799 10K R1799 10K EC14 NS 470pF EC14 NS 470pF C749 0 1uF C749 0 1uF R1762 0 15K R1762 0 15K...

Page 41: ... 4 7K 470 R1817 4 7K 470 R1823 33 R1823 33 C770 10uF 10V C770 10uF 10V R1812 100K R1812 100K L148 33uH 2A L148 33uH 2A 1 2 XQ7 2N3904 XQ7 2N3904 1 3 2 CE647 47uF 16V CE647 47uF 16V H2 HOLE GND H2 HOLE GND 2 2 3 3 4 4 5 5 9 9 8 8 7 7 6 6 1 1 C772 0 22uF 25V C772 0 22uF 25V R1831 10K R1831 10K R1815 0 R1815 0 R1833 10K R1833 10K C766 0 047uF 25V C766 0 047uF 25V C789 100uF 35V C789 100uF 35V C790 10...

Page 42: ...7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 12 15 Friday December 04 2009 LVDS BACKLIGHT MediaTek Confidential Title Size Document Number Rev Date Sheet of MediaTek Inc TEL 03 567 0766 FAX 03 578 7610 No 1 2 Innovation Rd 1 SBIP Hsin Chu City 300 Drawn MT5305A P1V1 V1 C 12 15 Friday December 04 2009 LVDS BACKLIGHT MediaTek Confidential By Ray NEAR IC NEAR IC HI LVDS ...

Page 43: ... NEAR IC NEAR IC TUNER POWER 5V_TUNER Near Tuner Near Tuner Near IC 20090612 20090612 POWER SUPPLY 5V FOR TUNER muRata LQM18NNR22K00 LQM18NNR39K00 Near Tuner Near MT538X Use muRata Inductor and TDK Capacitor ZR15 0 ZR15 0 ZR3 4 7K ZR3 4 7K C1 NC C1 NC C802 100pF NC C802 100pF NC ZFB14 NC 0603 ZFB14 NC 0603 ZFB13 NC 0603 ZFB13 NC 0603 L152 220nH L152 220nH ZFB15 0 ZFB15 0 ZR10 100 ZR10 100 ZFB8 NC ...

Page 44: ...i DVD PowerOff R8 2 2K R8 2 2K CE2 220uF 16V CE2 220uF 16V C20 0 1uF C20 0 1uF Q4 2N3904 Q4 2N3904 1 3 2 C13 0 1uF C13 0 1uF XQ2 2N3904 XQ2 2N3904 1 3 2 T6 T6 L3 10uH 3A L5_9 L3 10uH 3A L5_9 1 2 Q3 2N3904 Q3 2N3904 1 3 2 CPR14 0 R1206 SMD CPR14 0 R1206 SMD L4 10uH 3A L5_9 L4 10uH 3A L5_9 1 2 T4 T4 R89 100K R89 100K R9 2 7K_1 R0603 SMD R9 2 7K_1 R0603 SMD C14 0 1uF C14 0 1uF C5 10nF C5 10nF CPC30 1...

Page 45: ...55 10K BC3 1 5nF BC3 1 5nF CE654 10uF 10V CE654 10uF 10V BR6 56 BR6 56 CN14 DVD_LR_IN CN14 DVD_LR_IN 1 2 3 BR17 75 BR17 75 BD5 ESD_0402_10pF BD5 ESD_0402_10pF 1 2 BD4 ESD_0402_10pF BD4 ESD_0402_10pF 1 2 OC25 560pF OC25 560pF BR15 18 BR15 18 SC2 47pF SC2 47pF BD3 ESD_0402_10pF BD3 ESD_0402_10pF 1 2 C673 10uF 10v C673 10uF 10v BR42 75 BR42 75 BR10 68 BR10 68 T9 T9 BR8 100 BR8 100 R1856 10K R1856 10K...

Page 46: ...onnection Wire Control Speaker Wire LVDS Wire LVDS Wire Connection Wire 12V 5V Remote Control Board Assembly CN5 CN8 CN4 CN10 CN27 CNB3 CNB4 CNE2 CNE3 JP1 PD801 CNM801 CN2 CN1 Power Cord Connection Wire 12V 5V LVDS Wire LVDS Wire Speaker Wire Connection Wire Control Connection Wire Remote Connection Wire Lamp Connection Wire Lamp 0090402750 ...

Page 47: ...be out the factory mode menu 8 2 Measurements and Adjustments 8 2 1 The Main Menu In factory mode menu press up down button to choose the up down item press left right button to the submenu press OK button to affirm press MENU button go to the next page MSD209 Factory Menu In this page you just consider RESET ALL function This function you can reset all date return to factory state if you encounter...

Page 48: ...o Color Temperature This page is control the Color Temperature and the picture size Picture Mode This page is control the picture effect like Brightness contrast color sharpness Service Manual Model No LEA40T3 47 ...

Page 49: ...z In this page you just consider the software update function Plug USB into the 1st USB port select SOFTWARE UPDATE press OK Then flip the other window perss OK The update is going work NOTE After software update turn to the Factory Setting 1 page reset all Service Manual Model No LEA40T3 48 ...

Page 50: ...rify if correct channel is selected Adjust the antenna Make adjustments by Fine Tune and MANUAL Scan No color for some channel program black and white Verify if the same problem exists in other channels check out of picture and sound system Refer to relative instructions in the Manual for color adjust Spots with some or all pictures Verify if the antennal is correctly connected Verify if the anten...

Page 51: ...ut Check the input output Re soldering or change IC U13 Check the input output Re soldering or change IC U55 Check the input output Re soldering or change IC U2 Check the Speaker Change the Speaker Check the Sperker wire Fail Pass Fail Fail Fail Fail Pass Pass Pass Pass Service Manual Model No LEA40T3 51 ...

Page 52: ... Sunken TCP lead cracking ACF bonding short Awful environment and something electric enter into LCD Mis align between TCP and Panel Panel failure TCP failure V Dim Vertal gray line V L D Vertical color line light or dark forever H B D Horizontal bar H Dim Horizontal gary line H L D Horizontal line light or dark forever Service Manual Model No LEA40T3 52 ...

Page 53: ...er Bladder between Polarizer and top glass Polarizer Scratch Polarizer Scratch Tine or rigidity arose F inside Polarizer Eyewinker inside Polarizer Eyewinker inside Polarizer Circuit Abnormal Display Abnormal Display 1 Chip lose action 2 IC ahort or jointiog bad 3 Pannel and vsc connect bad Flashing Bright and dark display alternately Service Manual Model No LEA40T3 53 ...

Page 54: ...ent and EDS Black Screen B L normal only Black screen display FIIcker Crosstalk LCD Vcom imbalance Abnormal Color Only color abormal Capacitance improper bring crosstalk inside LCD pannel Abnormal Color Only color abnormal 1 Chip lose action 2 IC short or jointion bad 3 Pannel and vsc connect bad Service Manual Model No LEA40T3 54 ...

Page 55: ...wire and electrode B L dark B L brightness darker than normal Connect badnessShort between wire and electrode B L wire damaged B L wire damaged Operation abnormal or systemic noise B L wire open Without backlight Operation abnormal or systemic noise B L shut down B L shutdown in sometime Short bitween lamp housing and wire Because consume power too much F M F M inB L white balck Rotundity or wirel...

Page 56: ...lcal or B L Light leakage Brightness at bottom of LCM brighter than normal B L unit badness Uniformity B L brightness asymmetric Sheet in B L unit is uneven Mount hole Lack screw or screw damage Lack screw Screw damage Service Manual Model No LEA40T3 56 ...

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