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AOC LE32W234D, Service Manual

The AOC LE32W234D is a high-performance television that offers stunning visuals and superb audio quality. For easy troubleshooting and repairs, you can download the free Service Manual from manualshive.com. This comprehensive manual ensures that you'll have all the necessary information to keep your TV in top-notch condition.

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5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

BL-ADJUST

BRI_ADJ-PWM0

VBL_CTRL

8

0

0

6

_

M

U

T

E

A

M

P

-R

A

M

P

-L

A

M

P

_

5

V

L

O

U

T

-

R

O

U

T

+

R

O

U

T

-

L

O

U

T

+

H

P

_

M

U

T

E

8006_MUTE

AMP_AUOUTR0

E_AMP-R

AMP_AUOUTL0

E_AMP-L

AMP-MUTE

AMP_12V

EARPHONE-OUTR

E_AMP-L

E_AMP-R

EARPHONE-OUTL

HP_MUTE

AMP-R

AMP-L

STANDBY

PWR-ON/OFF

BL-ON/OFF

RF-IN

TU_SCL

TU_SDA

IF-IN-

IF-IN+#

TDA_SDA

TDA_SCL

T_IF-AGC

+5V_Normal

+5V_Normal

AVDD_DDR

+5V_Normal

+2.5V_Normal

+12V_NORMAL

+1.2V_VDDC

+5V_Normal

+5V_Standby

+3.3V_Standby

+3.3V_Normal

+5V_Normal

+5V_Normal

AMP_12V

AMP_12V

AMP_12V

AMP_12V

12VA

AMP_12V

AMP_12V

+12V_NORMAL

OP_VCC

OP_VCC

12VA

+5V_Standby

+3.3V_Standby

+12V
+5V_Normal

PM+5V

12V

+5V_STANDBY

+3.3V_Standby

+5V_Normal

+12V

Tuner_VCC

Tuner_VCC

Tuner_VCC

Tuner_VCC

Tuner_VCC

Tuner_VCC

Tuner_VCC

Tuner_VCC

Tuner_VCC

VDD33_FM

+5V_Normal

TUNER_SDA 3

TUNER_SCL 3

General Vcc decoupling

Each of these Vcc pins of TDA18273 is decoupled by a 
single capacitor (pin 1, 16, 27, 35)

NXP18273 TUNER

POWER

audio

R109

4.7K

R109

4.7K

TR11

68R 5%

TR11

68R 5%

TC42

47nF 25V ?0%

TC42

47nF 25V ?0%

C111

0.1uF

C111

0.1uF

C

2

3

4

2

2

0

p

F

/1

6

V

C

2

3

4

2

2

0

p

F

/1

6

V

1

2

3

Q105

3904

Q105

3904

C222

1uF/25v

C222

1uF/25v

C128

0.1uF

C128

0.1uF

C204

2.2uF/NC

C204

2.2uF/NC

Q114

AO3401A

Q114

AO3401A

C229

3.3nF/16V

C229

3.3nF/16V

R219

10K

R219

10K

1

2

3

4

5

6

7

8

9

H8

NC

H8

NC

TC26
120pF 50V/5%

TC26
120pF 50V/5%

C231

1nF 

C231

1nF 

+

C109

100uF/16V

+

C109

100uF/16V

+

1

G

N

D

2

-

3

CN201
2Pin/2.0mm

CN201
2Pin/2.0mm

TC43

47nF 25V ?0%

TC43

47nF 25V ?0%

+

C

2

5

0

1

0

u

F

+

C

2

5

0

1

0

u

F

T

C

3

5

2

2

0

n

F

 1

0

V

 ?

0

%

T

C

3

5

2

2

0

n

F

 1

0

V

 ?

0

%

C122

0.1uF

C122

0.1uF

C171

0.1uF

C171

0.1uF

+

C129

100uF/16V

+

C129

100uF/16V

1

H12

NC

H12

NC

C

2

1

9

0

.1

u

F

C

2

1

9

0

.1

u

F

R211

8.2K/NC

R211

8.2K/NC

1

2

3

Q115

3904

Q115

3904

C

2

1

5

0

.1

u

F

C

2

1

5

0

.1

u

F

EN

3

2

G

N

D

VOUT

5

VIN

1

NC

4

U102

S-1313A33-M5T1U3

U102

S-1313A33-M5T1U3

C202

0.1uF/NC

C202

0.1uF/NC

R123

NC/220R

R123

NC/220R

C224

1uF/25v C224

1uF/25v

T

C

2

7

8

2

p

F

 5

0

V

 ?

%

T

C

2

7

8

2

p

F

 5

0

V

 ?

%

+

C216
10uF

+

C216
10uF

TC40

10pF 50V +/-5%

TC40

10pF 50V +/-5%

C119

 0.1uF

C119

 0.1uF

R

2

2

4

4

.7

K

R

2

2

4

4

.7

K

1

2

L207

600_BEAD

L207

600_BEAD

C232

1nF 

C232

1nF 

R208

0R 

R208

0R 

+

C125

100uF/16V

+

C125

100uF/16V

TR14

430 5%

TR14

430 5%

2

3

1

4

5

6

7

8

CN208

PHONEJACK

CN208

PHONEJACK

C126

2.2uF

C126

2.2uF

C228

3.3nF/16V

C228

3.3nF/16V

1

2

3

4

5

6

7

8

9

H9

NC

H9

NC

C233

1nF 

C233

1nF 

A

V

D

D

5

M

U

T

E

4

N

C

8

PVCCL

10

L

IN

-

7

R

IN

-

2

BSL-

12

LOUT-

11

L

IN

+

6

R

IN

+

3

PGNDL

9

BSL+

13

LOUT+

14

PVCCL

15

PGNDL

16

N

C

1

7

C

O

S

C

1

8

A

G

N

D

2

0

A

V

C

C

2

2

V

2

P

5

1

9

V

C

L

A

M

P

2

1

/S

T

B

Y

2

3

N

C

2

4

PGNDR

25

PVCCR

26

ROUT+

27

BSR+

28

BSR-

29

ROUT-

30

PVCCR

31

PGNDR

32

N

C

1

U201
PAM8006/NC

U201
PAM8006/NC

R213

47R/NC

R213

47R/NC

R132

100K

R132

100K

R119

100K

R119

100K

C223

1uF/25v

C223

1uF/25v

TC28

1

5

0

p

F

 5

0

V

 5

%

TC28

1

5

0

p

F

 5

0

V

 5

%

C118

 2.2uF

C118

 2.2uF

C

2

1

0

2

.2

u

F

C

2

1

0

2

.2

u

F

TC44

100pF 50V +/-5%

TC44

100pF 50V +/-5%

C237

1uF

C237

1uF

TC36
220nF 10V +/-10%

TC36
220nF 10V +/-10%

C127

0.1uF

C127

0.1uF

R212

4.7K/NC

R212

4.7K/NC

C168

0.1uF

C168

0.1uF

1

CN2

NC

CN2

NC

1

2

L203

600_BEAD

L203

600_BEAD

C123

2.2uF

C123

2.2uF

1

2

3

4

5

6

7

8

9

H10

NC

H10

NC

T

L

1

0

2

.4

n

H

_

2

2

0

m

A

_

+

/-

0

.0

5

n

H

T

L

1

0

2

.4

n

H

_

2

2

0

m

A

_

+

/-

0

.0

5

n

H

R111

10K

R111

10K

3

1

2

Q205

3904

Q205

3904

R

2

2

3

4

.7

K

R

2

2

3

4

.7

K

C124

0.1uF

C124

0.1uF

C213

470uF

C213

470uF

TC37

6.8nF 50V ?0%

TC37

6.8nF 50V ?0%

TR6

68R 5%

TR6

68R 5%

TC32

100nF16V ?0%

TC32

100nF16V ?0%

1

CN3

NC

CN3

NC

C172

0.1uF

C172

0.1uF

1

2

L206

600_BEAD

L206

600_BEAD

C217
0.1uF

C217
0.1uF

R227

10K

R227

10K

R209

10K/NC

R209

10K/NC

R133

10K

R133

10K

1

2

L210

600_BEAD

L210

600_BEAD

R103
4.7k

R103
4.7k

R220
2K

R220
2K

1

2

L204

600_BEAD

L204

600_BEAD

C252

1nF

C252

1nF

C

2

0

9

2

.2

u

F

C

2

0

9

2

.2

u

F

C221

0.1uF

C221

0.1uF

+

C

2

5

1

1

0

u

F

+

C

2

5

1

1

0

u

F

1

2

3

Q201

3904/NC

Q201

3904/NC

1

H13

NC

H13

NC

T

L

1

1

8

.2

n

H

_

1

1

0

m

A

_

+

/-

0

.1

n

H

T

L

1

1

8

.2

n

H

_

1

1

0

m

A

_

+

/-

0

.1

n

H

TC33 100nF16V 10%

TC33 100nF16V 10%

T

C

3

8

6

.8

n

F

 5

0

V

 +

/-

1

0

%

T

C

3

8

6

.8

n

F

 5

0

V

 +

/-

1

0

%

EN

3

2

G

N

D

VOUT

5

VIN

1

NC

4

U106

S-1313A33-M5T1U3

U106

S-1313A33-M5T1U3

1

H17

NC

H17

NC

+

C173

100uF/16V

+

C173

100uF/16V

R207

0R 

R207

0R 

C203

0.1uF/NC

C203

0.1uF/NC

R101

4.7K

R101

4.7K

+

C112
100uF/16V

+

C112
100uF/16V

R114

NC/10K

R114

NC/10K

R122

0R

R122

0R

1

2

3

4

T_CON2

TUNER_CONNECTOR

T_CON2

TUNER_CONNECTOR

C230

1nF 

C230

1nF 

TX2

16.000MHz

TX2

16.000MHz

TC34

100nF16V 10%

TC34

100nF16V 10%

C253

10uF

C253

10uF

R225

10R

R225

10R

C212

470uF

C212

470uF

TR9
4.7K

TR9
4.7K

L5

FB

L5

FB

Q116

AO3401A

Q116

AO3401A

C

2

3

5

1

u

F

C

2

3

5

1

u

F

R210

47K/NC

R210

47K/NC

TC39

2.7nF 50V 10%

TC39

2.7nF 50V 10%

1

2

L205

600_BEAD

L205

600_BEAD

1

2

3

TD2

BAV99W

TD2

BAV99W

R205

8.2K/NC

R205

8.2K/NC

R228
10K

R228
10K

1

2

L208

600_BEAD

L208

600_BEAD

C110

0.1uF

C110

0.1uF

C254

10uF

C254

10uF

1

2

3

Q103

3904

Q103

3904

TR10
4.7K

TR10
4.7K

VIN

3

G

N

D

1

VOUT

2

VOUT

4

U108 AMS1117-3.3V

U108 AMS1117-3.3V

R233

10K

R233

10K

C205

2.2uF/NC

C205

2.2uF/NC

C169

1uF

C169

1uF

C120

0.1uF

C120

0.1uF

T

C

2

9

1

0

0

n

f 

1

6

V

 ?

%

T

C

2

9

1

0

0

n

f 

1

6

V

 ?

%

R113

10K

R113

10K

R115

4.7K

R115

4.7K

R206

47R/NC

R206

47R/NC

R242

0R

R242

0R

C

2

0

7

2

.2

u

F

C

2

0

7

2

.2

u

F

+

C220

10uF

+

C220

10uF

T

L

1

2

1

0

0

n

H

_

1

5

0

m

A

_

+

/-

5

%

T

L

1

2

1

0

0

n

H

_

1

5

0

m

A

_

+

/-

5

%

R112

2K

R112

2K

C255

1nF

C255

1nF

L202

0805_BEAD

L202

0805_BEAD

TP3 Test pad

TP3 Test pad

+

C

2

1

4

1

0

u

F

+

C

2

1

4

1

0

u

F

TC23

10pF 50V +/-5%

TC23

10pF 50V +/-5%

1

H11

NC

H11

NC

C116

0.1uF

C116

0.1uF

TR12

1k 5%

TR12

1k 5%

1

2

CN202

CN202

+

C201

100uF/16V

+

C201

100uF/16V

+

C238 10uF

+

C238 10uF

T

L

8

3

3

0

n

H

 1

4

0

m

A

 5

%

T

L

8

3

3

0

n

H

 1

4

0

m

A

 5

%

C

2

0

8

2

.2

u

F

C

2

0

8

2

.2

u

F

VO

2

A

D

J

1

VI

3

VO

4

U103

AMS1117-1.8

U103

AMS1117-1.8

R202

4.7K/NC

R202

4.7K/NC

R240

47K

R240

47K

C115

2.2uF

C115

2.2uF

C226

3.3nF/16V

C226

3.3nF/16V

TR13

0R

TR13

0R

+

C121

100uF/16V

+

C121

100uF/16V

T

L

9

2

.2

n

H

 1

0

0

0

m

A

 +

/-

 0

.2

n

H

T

L

9

2

.2

n

H

 1

0

0

0

m

A

 +

/-

 0

.2

n

H

L201

0805_BEAD

L201

0805_BEAD

1

2

3

Q202

3904/NC

Q202

3904/NC

C113

0.1uF

C113

0.1uF

R121
10K

R121
10K

R204

47K/NC

R204

47K/NC

R241

47K

R241

47K

TC30

33pF 50V 5%

TC30

33pF 50V 5%

1

2

3

4

5

6

7

8

9

H7

NC

H7

NC

VO

2

A

D

J

1

VI

3

VO

4

U104

AMS1117-2.5

U104

AMS1117-2.5

R120

12K

R120

12K

1

H15

NC

H15

NC

TC24

10pF 50V +/-5%

TC24

10pF 50V +/-5%

1

2

L109

3.3uH

L109

3.3uH

+

C211

100uF/16V

+

C211

100uF/16V

EN

1

G

N

D

2

SW

3

VIN

4

FB

5

U101
SY8008B

U101
SY8008B

3

1

2

Q204

3904

Q204

3904

1

H14

NC

H14

NC

R

2

2

2

4

.7

K

R

2

2

2

4

.7

K

1

2

L209

600_BEAD

L209

600_BEAD

C225

1uF/25v C225

1uF/25v

R201

1K/NC

R201

1K/NC

TC31

33pF 50V 5%

TC31

33pF 50V 5%

R229

6.8K

R229

6.8K

C

2

3

6

1

u

F

C

2

3

6

1

u

F

C117

10uF

C117

10uF

T

L

7

2

2

0

n

H

 1

2

0

m

A

 5

%

T

L

7

2

2

0

n

H

 1

2

0

m

A

 5

%

C

2

4

9

2

.2

u

F

C

2

4

9

2

.2

u

F

C114

0.1uF

C114

0.1uF

R218

10K

R218

10K

T

C

4

1

4

7

n

F

 2

5

V

 ?

0

%

T

C

4

1

4

7

n

F

 2

5

V

 ?

0

%

R203

10K/NC

R203

10K/NC

G

N

D

S

Y

N

T

1

8

V

T

U

N

1

9

C

P

2

0

XTOUT1

21

XTOUT2

22

C

A

P

R

E

G

V

C

O

1

7

IFP

25

GNDIF

26

V_IF_AGC

28

VCCIF

27

IRQ

30

V_Sync

29

GNDDIG3

23

IFn

24

V

H

F

S

u

p

p

ly

3

1

V

H

F

L

3

2

VCCRF

1

RFin

2

NC

3

NC

4

GNDDIG0

5

AS_XTSel

6

GNDDIG1

7

Test1

8

Test2

9

GNDDIG2

10

S

C

L

1

1

T

e

s

t1

1

3

X

ta

l

1

4

S

D

A

1

2

X

ta

ln

o

t

1

5

V

C

C

S

Y

N

1

6

C

a

p

R

F

A

G

C

4

0

R

F

A

G

C

_

S

e

n

s

e

3

9

U

H

F

H

3

8

U

H

F

S

u

p

p

ly

3

7

U

H

F

L

3

6

V

C

C

R

F

 F

ilt

e

r

3

5

V

H

F

H

3

4

V

H

F

S

e

n

s

3

3

GND

41

TU2

TDA18273

TU2

TDA18273

R107

1k

R107

1k

C170

2.2uF

C170

2.2uF

C107
2.2uF

C107
2.2uF

TC25

120pF 50V/5%

TC25

120pF 50V/5%

C227

3.3nF/16V

C227

3.3nF/16V

R

2

2

1

4

.7

K

R

2

2

1

4

.7

K

+

C

2

1

8

1

0

u

F

+

C

2

1

8

1

0

u

F

_______ 

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Summary of Contents for LE32W234D

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Page 14: ...Signal source selection PICTURE MODE Modes dynamic standard soft user BRIGHTNESS Brightness CONTRAST Contrast COLOR Color saturation SHARPNESS Definition PICTURE MODE TINT Hue Color temperature adjustment MODE Signal source TEMPERATURE Cool Standard Warm R GAIN G GAIN B GAIN White level adjustment R OFFSET G OFFSET W B ADJUST B OFFSET Black level adjustment Spread spectrum adjustment MIU Enable MI...

Page 15: ... CH Table2 set factory TV channels Debug mode selection UART DEBUG UART DEBUG There are four items OFF HK AEON and VDEC We usually choose HK to enable serial port debugging All kinds of adjustment curves MODE Signal source selection Brightness Curve OSD 0 OSD 25 OSD 50 OSD 75 OSD 100 Contrast Curve OSD 0 OSD 25 OSD 50 OSD 75 OSD 100 Saturation Curve OSD 0 OSD 25 OSD 50 OSD 75 OSD 100 Hue Curve OSD...

Page 16: ...D item record R GAIN G GAIN B GAIN value and R OFFSET G OFFSET B OFFSET value 3 Operations and procedure of software upgrading 1 Changed the file name to MERGE bin then store software in the FAT32 format blank U disk 2 Insert USB flash disk into the USB upgrade port upgrade the software according to the following the operating instructions Method 1 Method 1 will not erase the original EDID and HDC...

Page 17: ... U disk to avoid damaging U disk or machine Because of compatibility between machine and U disk some machines will not flicker during upgrading Please change U disk The capacity of U disk is not more than 2G or use method 1 to upgrade If the display screen can t display menu normally it cannot use method 1 to upgrade you can use Mstar ISP Tools to upgrade except method 1 and method 2 4 When cannot...

Page 18: ...VGA port with VGA cable 2 Insert the Mstar USB Tool into the USB port of your PC The PC can recognize the new device You can choose to install it in the list or choose to install at a specified directory and specify the path to the drive file See the figure below ...

Page 19: ... drives are installed connect the Mstar USB Tool board to TV in such a way as specified below Then connect the TV power cord and run the software ISP Tool V4 5 2 8 SZ exe to burn the program into the TV drive board 2 In the config menu bar to select Use USB and Auto release USB Communication Setting items corresponding to the Port Type menu select USB Set the burning speed of 48 in I2C Speed Setti...

Page 20: ...eans that normal connecting if it prompts Can t find the Device Type means that there is poor connecting please have a check 4 Click Read button in tool bar then click Read to load current software 5 Click Auto button in tool bar to set the corresponding settings Abnormal OK ...

Page 21: ...Then click RUN button to burn software When display PASS means that it succeed then burn EDID according to the following instructions ...

Page 22: ...aterials for HDCP KEY and EDID Personal computer WINDOWS XP system USB2 0 AC100 240V power supply and power cord ISP burning board ISP burning board driver ISP_Tool_XC_V0 05 exe VGA cable VGA EDID and HDMI EDID file Specific operation according to the following instructions 1 Connect ISP burning board and TV and computer then run ISP_Tool_XC_V0 05 exe to set communication mode 2 Click Connect butt...

Page 23: ...Please click and to load current software If prompts Device Type is GD25Q32 means that normal connect if prompts Can t find the Device Type means that there is poor connecting please have a check ...

Page 24: ...load current KEY documents in KEY address bar input 0 X3B0000 and enter select EDID1 check box and load current work order VGA port EDID bin file in EDID1 corresponding files address bar input 0 X3B0400 and enter select EDID2 check box and load current work order HDMI EDID bin file in EDID2 corresponding file address bar input 0 X3B0600 and enter Modify EDID1 and EDID2 corresponding information ac...

Page 25: ...ck Setting menu click Clear All to clear click drop down list in Global Offset Address select OX00000000 Bank 00 in address list select 0X3B0000 check address settings and click OK button to exit address settings Don t selet if mainboard have burned correct KEY or EDID Don t selet if mainboard have burned correct KEY or EDID ...

Page 26: ...ng wire to complete burning operation It not allow pulling out the wires during burning process Shut down the power when installing or taking mainboard 7 It not allow pulling out the wires during burning process Shut down the power when installing or taking mainboard Pull out the power cord of machine first then pull out burning board When burning complete change the TV and click Run button to bur...

Page 27: ...then press shift douwn key to move the cursor to the Auto ADC option press OK key to enter the next level menu press the left right button to implement ADC action The screen will flash and Auto ADC function menu prompt SUCCESS means that debug success prompt FAIL said that debug failed try again press the MENU button to exit factory menu when debugging completed 4 Under the YPbPb message source pr...

Page 28: ...pgrade to the value before the upgrade 7 Complete the ADC ADJUST debugging press MENU key succession to exit the factory built in menu to save the adjusted data and then restore the original packaging Change the R GAIN G GAIN B GAIN value and R OFFSET G OFFSET B OFFSET value to the value before the upgrade under the YPbPr SD HD mode Change the R GAIN G GAIN B GAIN value and R OFFSET G OFFSET B OFF...

Page 29: ...0R R329 10K R329 10K R345 12K NC R345 12K NC R138 4 7K R138 4 7K R128 100K R128 100K 3 1 2 D306 BAT54C D306 BAT54C B_ODD7 LVA2M R12 NC GPIO62 N9 SOGIN1 H2 BIN1P H3 GIN1M J2 GIN1P J3 CVBS2 K1 AVDD_DVI H4 AUL0 M2 AUREFM M4 GIN0P F3 RFAGC T4 B_ODD2 LVA3P P11 VIFM R6 VIFP T6 AVDD_PGA N5 AVDD_33 J4 RIN1P J1 R_ODD2 LVB2P N14 B_ODD5 LVACKM P12 G_ODD0 LVA1P P13 SAR2_GPIO13 GPIO73 C10 SAR1_GPIO12 GPIO74 C1...

Page 30: ...R133 10K 1 2 L210 600_BEAD L210 600_BEAD R103 4 7k R103 4 7k R220 2K R220 2K 1 2 L204 600_BEAD L204 600_BEAD C252 1nF C252 1nF C209 2 2uF C209 2 2uF C221 0 1uF C221 0 1uF C251 10uF C251 10uF 1 2 3 Q201 3904 NC Q201 3904 NC 1 H13 NC H13 NC TL11 8 2nH_110mA_ 0 1nH TL11 8 2nH_110mA_ 0 1nH TC33 100nF16V 10 TC33 100nF16V 10 TC38 6 8nF 50V 10 TC38 6 8nF 50V 10 EN 3 2 GND VOUT 5 VIN 1 NC 4 U106 S 1313A33...

Page 31: ...N65 Q4 10N65 D6 1N4148 D6 1N4148 1 2 L8 L8 RT 1 GND 4 CS 3 GATE 5 VDD 6 HV 8 FB 2 U1 OB5269 U1 OB5269 R26B NC R26B NC L3A 3 3uH L3A 3 3uH RJ3 RJ3 EC1 82uF 450V EC1 82uF 450V R12 47Ω R12 47Ω R27 22nF R27 22nF R23 10k R23 10k 1 2 3 CN101 CN101 1 3 2 U3 TL431 U3 TL431 R30C 0 1Ω R30C 0 1Ω RJ4 RJ4 R30 3 3k R30 3 3k R28 10Ω R28 10Ω R41 0 1Ω R41 0 1Ω R6 4 7Ω R6 4 7Ω R7 1 5k R7 1 5k R4 10Ω R4 10Ω C10 10nF...

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