background image

42

‟‟

 LCD TV                                                                                                                                                                  AOC L42W781HS 

40 

uP_A1

AUDIOSW1

uP_AD4

R228

22 

OH

M

 1/

10W

R208

NC

3.3V_SB

5V

uP_AD1

AM

1

uP_AD4

uP_A3

uP_A4

R332

NC

R296 NC

R203

NC

U203

TMP91CU27UG-9999

1

2

3

4

5

7

6

8

9

10

11

12

13

16

14

15

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

AVSS

P70/TA0IN

P71/TA1OUT

P72/TA3OUT

P73/TA4IN

P80/TB0IN0/INT5

P74/TA5OUT

P81/TB0IN1/INT6

P82/TB0OUT0

P83/TB0OUT1

P90/TXD0

P91/RXD0

P92/SCLK0/cts0

P95/SCLK1/cts1

P93/TXD1

P94/RXD1

AM

0

D

VC

C

X2

D

VSS

X1

AM

1

R

ESET

P96/

XT

1

P97/

XT

2

NMI

ALE

P00/

AD

0

P01/

AD

1

P02/

AD

2

P03/

AD

3

P04/

AD

4 P05/AD5

P06/AD6

P07/AD7

P10/AD8/A8

P11/AD9/A9

P12/AD10/A10

P13/AD11/A11

P14/AD12/A12

P15/AD13/A13

P16/AD14/A14

P17/AD15/A15

P20/A0/A16

P21/A1/A17

P22/A2/A18

P23/A3/A19

P24/A4/A20

P25/

A5/

A21

P30/

R

D

P31/

W

R

P32/

H

W

R

P40/

C

S0

P41/

C

S1

p42/

C

S2

P60/

SC

K

P61/

SO/

SD

A

P62/

SI

/SC

L

P63/

IN

T

0

P50/

AN

0

P51/

AN

1

P52/

AN

2

P53/

AN

3/

AD

T

R

G

AVC

C

5V_SB

8051_ALE

5

SCLE

R221

22 OHM 1/10W

R288

100 OHM 1/10W

C226
18pF

C231

0.1uF

R337

NC

R264

0 OHM 1/10W

C213

0.1uF

4

RX

PS

TxD

D

214

NC

1

2

Q201

BSN20

3

1

2

AUDIOSW2

WR#

R314

4.7K OHM 1/10W

R261

1K OHM 1/10W

D207

BAT54S

3

1

2

RESET_L

4

3V_RX

A12

SCLE

Flash_RST

A13

5V

VGA_HSIN

5

VGA_RIN

5

3V_SCL

2,4,5

A17

A11

C215

NC

CN201

NC

1
2
3

R207

NC

LVDS_PW

8

5V_SCL

2,4,5,7

uP_A4

5V_SCL

A10

U206

EM6353BX2SP3B-2.9+

1

2

3

GND

RESET(RESET)

VDD

R290

NC

2/16'07

johnny

5V_SB

uP_AD2

SY NC_DETECT

5V_SDA

D220
NC

1

3

2

R253 10K OHM 1/10W

A18

uP_A2

C235
100pF

R297

4.7K OHM 1/10W

D206

BAT54S

3

1

2

E427ATNBBWHSN

G

AT06

Custom

3

8

Monday , September 17, 2007

715T2289-2

<

称爹

>

T2289-2-X-X-9-070917

OEM MODEL

Size

Rev

Date

Sheet

of

TPV MODEL

PCB NAME

称爹

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

Key Component

 

 

 

 

uP_AD5

R319
22 OHM 1/10W

R277

1M

 OH
M

 1/

10W

To mcu

3.3V_SB

3V_SDA

2,4,5

C210
0.1uF

5V_SB

A8

NMI

FB201

120 OHM

1
2
3
4

5

6

7

8

D

224

VPOR

T

0603100

KV05

1

2

R212

100 OHM 1/10W

R275

33K OHM 1/10W

5V_SB

A14

uP_AD7

+

C237

10UF16V

D211

NC

1

2

R

219

75 

OH

M

 1% 

1/

10W

VGA Input

3/21'07

johnny

D

226

NC

1

2

C239
0.1uF

To mcu

3.3V_SB

5V

A13

A15

uP_AD3

R336

0 OHM 1/10W

U210

FDC6301N

1

2

3

4
5
6

G1

S2

G2

D2
S1
D1

CN204

NC

1

2

3

3.3V_SB

5V

uP_A7

A9

R

218

75 

OH

M

 1% 

1/

10W

A13

R315

4.7K OHM 1/10W

C202

NC

R279

2.2K OHM 1/10W

6

3V_RX

D223
NC

1

3

2

U207
74HC4052D

12
14
15
11

1
5
2
4

6

10
9

13

3

16

8

7

X0
X1
X2
X3

Y 0
Y 1
Y 2
Y 3

EN

A
B

X

Y

VDD

GN

D

VEE

R265
NC

ISP_SW

FB207

300 OHM

1

2

FB214

300 OHM

C227

0.047uF

uP_AD2

R233

100 OHM 1/10W

6/20

8-pin, 300mil DIP with socket

3/2'07

johnny

VGA_HS

D

222

VPOR

T

0603100

KV05

1

2

R339

100 OHM 1/10W

3.3V_SB

A15

Q207

NC

3

1

2

R283

4.7K OHM 1/10W

R226 NC

R292

10K OHM 1/10W

5V

R331

NC

C207

0.1uF

FB212

300 OHM

1

2

3.3V_SB

3.3V_SB

Detect_VGAHS

VGA_SDA

3V_SDA

R242

NC

Q206

PM

BS3906

S

5V_SCL

2,4,5,7

uP_A6

VGA_HS

FB215
600 OHM

U208

24LC64ISNG

1
2
3
4

5

6

7

8

A0
A1
A2
VSS SDA

SCL

WP

VCC

R744

0 OHM 1/10W

RESET_H

5

AUDIO_SW2

2

HDMIHOTPLUG1

uP_A0

E_PAGE

A8

R330 0 OHM 1/10W

D

209

VPOR

T

0603100

KV05

1

2

R306

NC

FB204

30 OHM

1

2

3V_SCL

uP_AD3

R

247

100K 

OH

M

 1/

10W

R328 0 OHM 1/10W

C204
NC

R246

NC

3/29'07

johnny

Q209

PMBS3904

Q210
PMBS3904

D

204

LL4148

R338

NC

C

203

NC

5

3.3V_SB

SCART1_FS

2,5

R301

10K OHM 1/10W

R320
NC

A9

R201

0 OHM 1/10W

R267

0 OHM 1/10W

C224

0.47uF

D

221

VPOR

T

0603100

KV05

1

2

RX_INT#

4

uP_A0

R285

0 OHM 1/10W

FB203

150 OHM

1

2

R216

22 OHM 1/10W

R262

NC

5V_SB

3.3V_SB

3.3V_SB

PWR_ON

8

+

C221

10UF16V

R317
1K OHM 1/10W

R210

22 OHM 1/10W

C219

0.1uF

U201

24LC21AT-I/SNG

1

2

3

4

5
6
7
8

NC

NC

NC

Vss

SDA
SCL
VCLK
Vcc

R321
4.7K OHM 1/10W

C206
100pF

R235

100K OHM 1/10W

R

251

100K 

OH

M

 1/

10W

VGA_SCL

A17

uP_AD6

+

C209

10UF16V

Y 201

27.000MHz

D

VGA_VSIN

5

CX_INT#

5

uP_AD6

uP_A5

3.3V_SB

uP_AD7

R276

10K OHM 1/10W

BY TE

A9

R

220

75 

OH

M

 1% 

1/

10W

5V

uP_AD0

uP_A0

uP_AD3

R308
NC

R300

10K OHM 1/10W

5V_SB

5V_SB

8051_WR#

5

SDAE

R293 NC

+

C208
10UF16V

FB213

300 OHM

1

2

R

237

33 

OH

M

 1/

10W

Keypad / IR Connector
Connect to Keypad
Board

5V_SB

uP_A0

D

215

NC

1

2

D205

LL4148

3.3V_SB

5V

VGA_BIN

5

INVPRO

8

NMI

R241

22 OHM 1/10W

R340

100 OHM 1/10W

5V_SDA

2,4,5,7

SY NC_DETECT

D216
BAV99

1

3

2

C223

0.047uF

D219
NC

1

3

2

3.3V_SB

A11

R217

22 OHM 1/10W

R263

22 OHM 1/10W

C211
0.1uF

U212

NC

1
2
3
4

5

6

7

8

A0
A1
A2
VSS SDA

SCL

WP

VCC

ISP Switch

uP_A5

A12

U205

SN74LVC573ADBR

1

10

11

20

19
18
17
16
15
14
13
12

2
3
4
5
6
7
8
9

OE

GN

D

LE

VC

C Q1

Q2
Q3
Q4
Q5
Q6
Q7
Q8

D1
D2
D3
D4
D5
D6
D7
D8

C217
0.1uF

1

WE#

uP_A6

uP_A3

Q205

NC

3

1

2

3.3V_SB

MUTE

7

uP_A2

A10

A19

R229

22 

OH

M

 1/

10W

C205

100pF

R

249

100K 

OH

M

 1/

10W

3V_SCL

2,4,5

AM0

R

303

4.

7K 

OH

M

 1/

10W

R266

NC

R274

0 OHM 1/10W

I2C Address: 1010 000x

3/21'07

johnny

5V_SCL

2,4,5,7

TX

FB206

150 OHM

1

2

R252 4.7K OHM 1/10W

R743 0 OHM 1/10W

3.3V_SB

KEY _AD

+

C220

10UF16V

Q202
PMBS3904

R213

100 OHM 1/10W

S

HDMI_HOTPLUG2 4

VPP_3

U209

NDC7002N

1

2

3

4
5
6

G1

S2

G2

D2
S1
D1

1

Comp_SEL

2

REMOTE_3V

uP_AD0

R224

22 OHM 1/10W

R206

NC

C238
0.1uF

R311

4.7K OHM 1/10W

Flash_RST

RD#

5V_SDA

2,4,5,7

ISP_SW

PS

uP_A1

HDMIHOTPLUG2

A14

R307

100 OHM 1/10W

uP_AD[0..7]

5

PANPWR_ON

5,8

VGA_VS

Q208
PMBS3906

R334

NC

R273

0 OHM 1/10W

2

D

G

uP_AD6

uP_AD4

CS1

D

203

LL4148

6

R254 10K OHM 1/10W

SCDT

4

Detect_VGAVS

R222

4.7K OHM 1/10W

R316

1K OHM 1/10W

R205

NC

3V_SDA

2,4,5

RxD

FB210
150 OHM

AUDIO_SW1

2

AM1

uP_AD1

uP_AD5

C232

0.1uF

uP_AD7

D212
BAV99

1

3

2

Q204
PMBS3904

A16

C218
100pF

FB208
600 OHM

3

3V_TX

uP_AD5

RD#

R289

NC

R298

4.7K OHM 1/10W

R286

47K OHM 1% 1/10W

2/16'07

johnny

3.3V_SB

uP_A4

R236

100 OHM 1/10W

3

VPP_3

A14

AUDIOSW1

A18

VGA_HS

uP_AD0

R271 0 OHM 1/10W

R202

NC

R

248

100K 

OH

M

 1/

10W

3.3V_SB

VGA_GIN

5

REMOTE_3V

uP_A7

A12

uP_AD6

E_PAGE

uP_AD2

uP_A6

R231

22 OHM 1/10W

R291

NC

R211

22 OHM 1/10W

R312
4.7K OHM 1/10W

AUDIOSW2

R318
1K OHM 1/10W

CN203

CONN

1
2
3
4
5
6
7
8

3.3V_SB

uP_A5

D217
BAV99

1

3

2

C222
0.1uF

5

AV-AUDIO_SW 2

8051_CS2CX

5

DTV_SCL

2

5V_SCL

VPP_3

C229

18pF

R

280

OH

M

 1/

10W

R204 NC

R239

100 OHM 1/10W

3/22'07

johnny

5V

RX

A8

Q203
PMBS3904

uP_A[0..7]

5

TX

HDMIHOTPLUG1

uP_AD1

R282

0 OHM 1/10W

D210
NC

1

3

2

R309
NC

uP_AD5

C230
100pF

R214

4.7K OHM 1/10W

R259 10K OHM 1/10W

C212

0.1uF

R238

NC

Detect_VGAHS

R299

4.7K OHM 1/10W

C201

0.001uF

R209

NC

ISP_SW

R310
NC

DTV_SDA

2

RxD

R322

NC

R333

NC

R313

4.7K OHM 1/10W

R294

4.7K OHM 1/10W

3/21'07

johnny

3.3V_SB

HDMI_HOTPLUG1 4

R268

0 OHM 1/10W

WR#

KEY _AD

uP_AD0

uP_A1

R245

0 OHM 1/10W

C234 0.22uF

3.3V_SB

5V

SDAE

ZD201
ZMM5V6

FB211

600 OHM

D

202

LL4148

5V

3.3V_SB

TxD

3V_TX

CS1

R234

22 OHM 1/10W

R295

100K OHM 1/10W

5V

uP_AD3

R256
0 OHM 1/10W

8051_RD#

5

AUDIOSW2

R

258

4.

7K 

OH

M

 1/

10W

+

C228
47uF/16V

R

250

100K 

OH

M

 1/

10W

C216
NC

VGA_VS

R244

100 OHM 1/10W

R

302

4.

7K 

OH

M

 1/

10W

2

4/16'07

johnny

3.3V_SB

5V

R230

100 OHM 1/10W

R240

22 OHM 1/10W

5V_SB

5V

5V_SDA

2,4,5,7

uP_AD2

A11

RD#

uP_A2

TV_IRQ

2

7

4

L

V

C

1

4

U202

74LVC14ADT

1

2

3

4

5

6

9

8

11

10

13

12

7

14

1A

1Y

2A

2Y

3A

3Y

4A

4Y

5A

5Y

6A

6Y

GND

VCC

FB202

30 OHM

1

2

D225
BAV99

1

3

2

3.3V_SB

5V

uP_AD4

uP_A7

FB209 150 OHM

R227

22 OHM 1/10W

R260

2K OHM 1/10W

R243

22 OHM 1/10W

5V_SDA

BY TE

HDMIHOTPLUG2

R278
NC

R215

4.7K OHM 1/10W

R225

100 OHM 1/10W

3.3V_SB

A[8..19]

R287

NC

R335 0 OHM 1/10W

R

257

4.

7K 

OH

M

 1/

10W

C233

0.1uF

G

5V

AM

0

D208

LL4148

C236
100pF

4

3.3V_SB

SCART2_FS

2,5

RX

R223

100 OHM 1/10W

R329 0 OHM 1/10W

C214
0.1uF

R281

0 OHM 1/10W

R305

100 OHM 1/10W

D218
BAV99

1

3

2

R272

0 OHM 1/10W

Detect_VGAVS

C225
18pF

1/31'07

uP_AD1

CN202

DB15

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

G

G

R

304

4.

7K 

OH

M

 1/

10W

D

213

NC

1

2

R270

0 OHM 1/10W

U204

EN29LV800BT-70TCP

37

13

46
27

29

30

31

32

33

34

35

36

38

39

40

41

42

43

44

45

1

2

3

4

5

6

7

8

17

18

19

20

21

22

23

24

25

48

26
28
11
12
14
47

16

15

VCC

VPP

GND1
GND2

D1

D9

D2

D10

D3

D11

D4

D12

D5

D13

D6

D14

D7

D15

D8

D16

A15

A14

A13

A12

A11

A10

A9

A8

A17

A7

A6

A5

A4

A3

A2

A1

A0

A16

CE
OE
WE
RP
WP
BY TE

A18

RY /BY

03 VGA_IN&MCU

TX

Detect_VGAHS

AUDIOSW1

VGA_VS

R323

100 OHM 1/10W

uP_A3

A19

Detect_VGAVS

U211

NC

11
12
13
15
16
17
18
19

10

9
8
7
6
5
4
3

25
24
21
23

2

26

1

20
22
27

28
14

D0
D1
D2
D3
D4
D5
D6
D7

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14

/CE
/OE
/WE

VCC

GND

SY NC_DETECT

A10

A16

uP_AD7

R269

NC

ZD202
ZMM5V6

R232

100 OHM 1/10W

WE#

FB205

30 OHM

1

2

R284

4.7K OHM 1/10W

D201

BAT54C

3

1

2

 

Summary of Contents for L42W781HS

Page 1: ...ING 6 3 IR Board 32 6 4 Tuner Board 33 6 5 Key Board 35 6 6 Side Board 35 7 White Balance Luminance Adjustment 36 8 Block Diagram 38 9 Schematic 39 9 1 Main Board 39 9 2 Power Board 46 9 3 Key Board 47 9 4 Tuner Board 48 9 5 Side Board 53 10 Exploded View 54 11 BOM list 55 Table Of Contents 1 Important Safety Notice 2 Revision List 3 1 General Specification 4 2 Operating Instructions 5 2 1 The Use...

Page 2: ...teristics might create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from AOC AOC 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 EXPOSURE TO BEAM CAUTIO...

Page 3: ...42 LCD TV AOC L42W781HS 3 Revision List Version Release Date Revision Instructions TPV Model A00 May 22 2008 Initial Release E427ATNBBWA1NNT E427ATNBBWACNNT ...

Page 4: ...bility DDC2B Input frequency FH 31 5KHz to 48KHz FV 56Hz to 75Hz Recommended 1024 x 768 60Hz up to 1360 x 768 60Hz Input Audio Headphone Mini jack for stereo 3 5ø Audio Output Audio Output L R Speaker built in 10W 10W Headphone Mini jack for stereo 3 5ø Line Output RCA L R DTV S PDIF RCA COAXIAL For DTV only OSD language English Germany Italian French Spain Portuguese Netherland Russia Table Stand...

Page 5: ...NERAMA 16 9 VOL Press or to increase or decrease the volume MENU Press this key to display main menu DISPLAY Press this key to display 1 the channel number when watching a TV program 2 the input source when watching an AV program MUTE Temporarily interrupt the sound or restore it PC Display PC mode TV Display TV or DTV mode DTV mode for the TV which have DTV TV function only PRE CH To display the ...

Page 6: ...UTTONS to operate the Teletext screen INDEX Press INDEX to return to the main index page SUBTITLE Press to select the next page marked as a subtitle page and request it as the display page HOLD Press HOLD to hold the Teletext page when viewing information Press again to return to automatic page update REVEAL Press REVEAL to display reveal hidden words e g quiz page answers Press again to hide PAGE...

Page 7: ...e buttons Tint This option is only available for NTSC audio visual sources Reset Return to default settings Press OK or buttons to return to default settings Press the MENU button to exit the Picture menu Note this menu is removed automatically after a few seconds without using the remote control When you adjust a menu option Contrast for example the menu is replaced by a sub menu as illustrated P...

Page 8: ...Opaque or Transparent type Sleep Timer To set an automatic shut off time Using buttons select Off 15 30 45 60 90 120 minutes Once the time is ended TV set automatic switch on standby mode If you turn the TV on standby mode after setting the sleep timer setting will be erased Set it again Bule screen To have a blue screen when there is no video input or when the RF signal is very bad Using buttons ...

Page 9: ...ur temperature at your convenience Reset Return to default settings Press the OK or buttons to return to default settings Installation Setup Installation Setup involes selecting all the settings required to be able to search for and store all the channels you can receive Make sure that the television is switched on and follow all the steps in turn specified on this page Auto Installation Select Au...

Page 10: ...new Program No to Insert a channel on an already existing Program No the channel previously saved on this program no will be shifted to the upper program no or to Delete the Program No Once a channel has been found and named use the botton to select the Store prog option Using the buttons select Save Insert or Delete and press the OK button to confirm Swap prog Allows to swap 2 programme numbers U...

Page 11: ...n to display the selection menu Using the buttons to select each input sources Press the OK button to display the desire input source Digital TV Menu First Time Installation When the system is first switched on the Reference Application attempts to configure itself for the first time This is called First Time Installation The user is then asked if they wish to perform an automatic tune for service...

Page 12: ...tes button on the channel list dialog and via the Main Menu Press the OK button on your remote control to add the channel to the highlighted favourites list An icon indicates which favourites list a channel is in Guides Now Next EPG List Schedule EPG Time line schedule EPG Now Next EPG An EPG dialog is provided that allows the user to view the current and next programme playing on each service In ...

Page 13: ...hannels if it is available Subtitle Displays a dialog enabling the preferred language to be set this is the language to be used for all channels if it is available Current Displays a dialog enabling the current language to be set this is the language to be used for the current selected channel please note that only languages available with the currently selected channel will be displayed Installat...

Page 14: ...ously selected service and return to normal viewing operation In cases were there was not a previously selected service the application will attempt to select the service with the lowest number The Reference Application can support up to 70 services at any one time Press 0 to 9 to select a channel number select to start searching for channels DTV MENU to exit this screen First time installation Ch...

Page 15: ...t Please take your precautions not to damage the screen 1 Audio output 2 SPDIF output appear in Digital TV 3 SCART2 CVBS SCART2 S 4 SCART1 RGB CVBS 5 DTV appear in Digital TV 6 ATV 7 Component video HDTV 8 Component Audio 9 VGA 10 VGA Audio input 11 HDMI2 12 HDMI1 13 AC power 14 S Video 15 AV1 CVBS 16 AV1 S video Audio intput 17 HEADPHONE 18 CI card ...

Page 16: ...ow to connect 1 The SCART socket can be connected a VCR a camcorder a DVD player a satellite receiver a decoder or a game console form SCART cable 2 The 21pin SCART socket can also be used as an output to Audio Video equipment How to use Scart source has the first priority For example when playing under other sources such as TV AV S Video VGA if we input the scart signal the TV will switch to Scar...

Page 17: ...ping the screen and the cabinet with a soft clean cloth If the screen requires additional cleaning use a clean damp cloth Do not use liquid cleaners or aerosol cleaners Mobile telephone warning To avoid disturbances in picture and sound malfunctioning of your TV or even damage to the TV keep away your mobile telephone from the TV End of life directives We are paying a lot of attention to produce e...

Page 18: ...y Press to confirm your function selection and adjustment 3 4 Up Down Key Press to perform select function and channel 5 MENU Key Press to show the OSD menu and exit OSD menu 6 Source Key Press to select your input source 7 Power Key Press to turn on or off the TV ...

Page 19: ...splay Signal Cable Pin No Description Pin No Description 1 Red Video 9 No Pin 2 Green Video 10 Sync Ground 3 Blue Video 11 Not Used 4 Not Used 12 Serial Data for DDC 5 Ground 13 H Sync 6 Red Video Ground 14 V Sync 7 Green Video Ground 15 Serial Clock for DDC 8 Blue Video Ground 1 6 11 15 5 10 ...

Page 20: ...2 48 077 72 188 D Sub 800 x 600 75 46 875 75 D Sub 1024 x 768 60 48 363 60 004 D Sub 1024 x 768 75 60 023 75 029 D Sub 1360 x 768 60 47 712 60 015 HDMI DVI 640 x 480 60 31 469 59 94 HDMI DVI 640 x 480 72 37 861 72 809 HDMI DVI 640 x 480 75 37 5 75 HDMI DVI 720 x 400 70 31 469 70 087 HDMI DVI 800 x 600 60 37 879 60 317 HDMI DVI 800 x 600 72 48 077 72 188 HDMI DVI 800 x 600 75 46 875 75 HDMI DVI 102...

Page 21: ...42 LCD TV AOC L42W781HS 21 4 Mechanical Instructions 1 Remove the screws marked in red to remove the back cover and the base 2 Remove the screws marked in red ...

Page 22: ...42 LCD TV AOC L42W781HS 22 3 Remove the screws marked in red to remove the shield 4 Remove the screws marked in red to remove the shield 5 Remove the screws marked in red to remove the BKT ...

Page 23: ...3 6 Disconnect the connector or wire and remove the screws marked in red 7 Remove the screws on the boards marked in red Inverter wire PIN 2 Main board wire PIN LVDS wire PIN Side board wire PIN Key board wire PIN Speaker PIN 2 ...

Page 24: ...42 LCD TV AOC L42W781HS 24 8 Remove the screws marked in red 9 Remove the screws marked in red 10 remove the screw marked in red to remove the IR board and the speakers ...

Page 25: ...ace Q706 Q703 OK Check U203 U401 NG Replace U401 or U203 OK OK Check main board power supply part Check key board Check I 2 C communication NG Check power cord and board interface Plug in power cord and interface OK Check F901 BD901 C907 NG Replace F901 or BD901 or C907 OK Check IC901 Q901 Check D905 D914 NG Replace IC901 or Q901 OK Check T901 OK Replace T901 Replace D905 or D914 OK NG NG Check ZD...

Page 26: ...V signal Check TV system setup OK Check TU1 Replace TU1 Component PC signal Check U202 NG Replace U202 OK Check U401 NG Replace U401 OK NG Replace U1 Check U1 Digital TV signal Check TV system setup NG Check TU1 OK NG Replace U4 OK Power supply U4 Check U21 Check U6 U7 Check U12 U17 OK OK OK Check U9 HDMI Check U504 Replace U504 OK OK Check panel Replace TU1 OK ...

Page 27: ...phone jack OK Check speaker NG Replace U101 HDMI NG Analog TV signal Check TV system setup OK Check TU1 Replace TU1 OK NG Replace U1 Check U1 Digital TV signal Check TV system setup NG Check TU1 OK NG OK Power supply U4 Check U101 Replace TU1 Replace TU4 Check U21 Check U6 U7 Check U12 U17 OK OK OK Check U9 OK Check U501 Replace U501 U601 U603 Replace U601 Replace U603 Replace Speaker NG NG OK NG ...

Page 28: ...5 5 Key Board OSD is unstable or not working Is Key Pad Board connecting normally Connect Key Pad Board Is Button Switch normally Replace Button Switch Y Is Key Pad Board Normally Replace Key Pad Board Check Main Board N N Y Y N ...

Page 29: ...42 LCD TV AOC L42W781HS 29 6 PCB Layout 6 1 Main Board ...

Page 30: ...42 LCD TV AOC L42W781HS 30 ...

Page 31: ...42 LCD TV AOC L42W781HS 31 6 2 Power Board ...

Page 32: ...42 LCD TV AOC L42W781HS 32 6 3 IR Board ...

Page 33: ...42 LCD TV AOC L42W781HS 33 6 4 Tuner Board ...

Page 34: ...42 LCD TV AOC L42W781HS 34 ...

Page 35: ...42 LCD TV AOC L42W781HS 35 6 5 Key Board 6 6 Side Board ...

Page 36: ...ain adjust 7 item needn t adjust 8 items is color temperature select Cool Normal and Warm Ⅱ Bias Low luminance adjustment 1 Set the raster pattern Black pattern with 1024 768 Input 2 Adjust the brightness on OSD until Ca210 measurement reach the lowest value Ⅲ Gain adjustment A Adjust Cold color temperature 1 Adjust Brightness to Ca210 Y 300 cd m2 2 Switch the Ca210 to xyLv Mode with press MODE bu...

Page 37: ...t the 4 item GG until Ca210 indicator reached the value Lv 300 cd m2 5 Adjust the 5 item BG until Ca210 indicator reached the value y 0 315 6 Adjust the 6 item RG until Ca210 indicator reached the value x 0 308 7 Repeat above procedure until Ca210 xy value meet the tolerance 0 020 8 Enter the 8 item to select another color temperature to adjust Ⅳ Switch different source Press the source key on the...

Page 38: ...io Processor SRS WOW ANX9021 PC_AUDIO speaker Tuner MODULE HDMI1 KEY_IN V COMP SCART1_B DTV FS1 SVP_CX32 C Audio Switch HDMI2 NJM2244 DTV MODULE PB_B1 74HC573 POWER PB_B2 AMP SCART2_Y CVBS PC_BIN S_C IR_IN SCART1 S_Y SCART2 DAC MENU SCART1 Line out AV SV SCART1_R FS2 SCART1_CVBS R PC RGB V Y_G1 Source SCART1_FS 称爹 称爹 絬 隔 瓜 絪 腹 LVDS PR_R2 in Lip Sync SCART2_FS PR_R1 C AV 1Mx8 ROM CVBS1 I2S PC_GIN P...

Page 39: ...CT1_LI R104 47K OHM 1 10W C152 47pF FB119 150 OHM C128 10UF16V R144 47K OHM 1 10W R196 100K OHM 1 10W 5V R152 18K OHM 1 10W R115 0 OHM 1 10W C119 100pF R175 NC D161 BAV99 1 3 2 5V VSEL_Y 5 VSEL__PB 5 R121 47K OHM 1 10W C137 10UF16V R129 75 OHM 1 1 10W D113 LL4148 R111 0 OHM 1 10W 5V COMP_PB R167 75 OHM 1 1 10W 0 4 3 07 johnny 5V AVSV_L COMP_PR FB115 600 OHM CN SCART 1 2 3 4 5 6 7 8 9 10 11 12 13 1...

Page 40: ...N 5 INVPRO 8 NMI R241 22 OHM 1 10W R340 100 OHM 1 10W 5V_SDA 2 4 5 7 SYNC_DETECT D216 BAV99 1 3 2 C223 0 047uF D219 NC 1 3 2 3 3V_SB A11 R217 22 OHM 1 10W R263 22 OHM 1 10W C211 0 1uF U212 NC 1 2 3 4 5 6 7 8 A0 A1 A2 VSS SDA SCL WP VCC ISP Switch uP_A5 A12 U205 SN74LVC573ADBR 1 10 11 20 19 18 17 16 15 14 13 12 2 3 4 5 6 7 8 9 OE GND LE VCC Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 D1 D2 D3 D4 D5 D6 D7 D8 C217 0 1uF...

Page 41: ... as compact and close to chip as possible 3V3S HDMI_DSCL_1 C574 0 01uF ROUT6 U503 FDC6301N 1 2 3 4 5 6 G1 S2 G2 D2 S1 D1 ROUT5 GOUT1 C534 10UF16V 04 HDMI_SIL9025 MCLK DP7 5 BOUT7 DP16 P1_ 5V HDMI_RX2 _2 C512 0 01uF 2 R554 NC C558 0 1uF C537 0 1uF 3V3S HDMI_RXC _2 3V_SCL C510 0 01uF U508 M24C02 WMN6TP 1 2 3 4 5 6 7 8 A0 A1 A2 GND SDA SCL WP VCC FB507 600 OHM CN501 HDMI 20 21 1 2 3 4 5 6 7 8 9 10 11...

Page 42: ...TAL OUT U401B SVP CX32 55 61 60 56 57 58 62 63 83 82 81 80 79 78 77 76 84 86 85 59 64 65 66 67 68 69 70 71 37 36 35 34 33 32 31 30 29 26 25 24 22 21 18 17 16 15 14 11 10 9 8 7 4 5 23 6 PWM0 CS GPIO0 INTN SCL SDA WR RD A_D0 A_D1 A_D2 A_D3 A_D4 A_D5 A_D6 A_D7 ALE RESET V5SF GPIO1 ADDR0 ADDR1 ADDR2 ADDR3 ADDR4 ADDR5 ADDR6 ADDR7 DP0 DP1 DP2 DP3 DP4 DP5 DP6 DP7 DP8 DP9 DP10 DP11 DP12 DP13 DP14 DP15 DP1...

Page 43: ...00 OHM 1 2 C433 0 1uF CX_MA6 CX_MD5 DQ19 DQ9 CX_MD0 CX_VDDM CX_MD4 DQ29 DQ31 FB404 300 OHM 1 2 CX_MD30 DQ14 DQ18 CX_MD30 C441 0 0027uF C451 10UF16V C403 0 1uF DQ9 CX_VD33 CX_BA0 CX_MA9 CX_AVDD3_OUTBUF CX_MD19 CX_AVDD3_ADC1 C413 0 1uF R402 0 OHM 1 10W C405 0 1uF 06 SVP CX32_2 CX_AVSS_BG_ASS CX_MA0 CX_MD21 FB413 300 OHM 1 2 C421 0 01uF 3 16 07 johnny CX_PAVSS2 DQ31 DQ1 DQ22 DQ7 C453 10UF16V R406 15 ...

Page 44: ...F R646 NC R6121 1K OHM 1 10W R6130 0 OHM 1 10W C645 0 1uF C668 0 1uF VCCAD DACM_R R659 NC 10 uF C674 0 1uF Q607 2SD1757K U603 TPA3100D2RGZR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 PAD RINN RINP AGND LINP LINN GAIN0 GAIN0 GAIN1 MSTR SLV SYNC PAD PAD ROSC VREG VBYP AGND BSLP LOUTP LOUTP LOUTN LOUTN BSLN PA...

Page 45: ...00K OHM 1 10W FB713 300 OHM R735 1 5K OHM 1 10W C754 100uF 25V R731 0 OHM 1 10W R721 27 OHM 2W FB714 300 OHM FB720 300 OHM CX_VD18 C723 22UF16V R742 0 OHM 1 10W 5V_SB 3 3V_SB C725 22UF16V C741 NC INVPRO 3 U701 3 2 1 VI VO GND R716 200 OHM 1 10W Q712 PMBS3904 Power Connector Connect to Power Board FB702 L 1 6 3 4 R715 47K OHM 1 10W PWR_ON 3 R728 NC 3 3V_SB C750 NC D701 SR34 PWR_ON 3 C757 1uF C720 0...

Page 46: ...22 39KΩ 1 8W R901 330K 1 4W C934 1000pF R978 510K 1 8W R962 1K 1 8W C943 3300PF 50V C950 1000uF 16V R926 1M 1 4W R975 18K 1 8W C992 1000PF L960 20uH C987 0 1uF 50V IC934 PC123X8YFZOF 1 2 4 3 R948 47 1 4W C910 0 01uF 500V R908 220KΩ 1 8W R963 10K 1 8W D950 FME 210B 1 2 3 Q902 STW20NM60 2 1 3 R957 10KΩ 1 8W C932 47uF 50V E377CZNK2WAEN 2 GBMH Custom 2 2 Tuesday April 17 2007 715T2512 2 称爹 02 POWER T2...

Page 47: ...eptember 20 2007 715T2479 1 称爹 01 KEY PAD T2479 1 X X 3 070920 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 SW3 2 1 3 4 5 2 25V R3 390 OHM 1 1 10W R4 1K 1 10W R8 22K OHM 1 1 10W SW7 2 1 3 4 5 C2 0 1uF 5VS MENU VOL_DOWN SW4 2 1 3 4 5 CN1 CONN 1 2 3 4 SW6 2 1 3 4 5 R6 3 3K 1 10W 3V 0V 4 55V L1 600 OHM SW5 2 1 3 4 5 L2 600 OHM D1 ...

Page 48: ...TA0 TDA4 RP2 33 1 16W 1 2 3 4 8 7 6 5 TS_DATA4 R20 330 1 10W R3 4 7K 1 10W C7 0 1uF L1 300 OHM TDA_DATA5 C35 10uF 16V SYNC C24 47uF 16V V5D DTV_5V TDA0 TDA6 R189 NC R11 4 7K 1 10W U8 1 3 2 VOUT VIN GND V5D 3 3V_D C9 0 1uF C23 10uF 16V C4 47uF 16V C31 47uF 16V 3 3V_A TDA2 TS_DATA3 TS_DATA5 R30 100 1 10W V5D C49 0 1uF C2 47uF 16V C44 0 1uF U4 AZ1117D 5 0 E1 1 2 3 ADJ GND OUTPUT INPUT TDA_DATA2 C28 0...

Page 49: ...0W PCMCIA_A8 A_MDI2 R176 33 1 10W R59 10K 1 10W A_MDO5 A_MDO4 A_MDI4 R168 33 1 10W 3 3V_B TS_SYNC 2 A_MDO4 3 3V_D STV_TDI 4 TS_DATA4 MDOA3 R180 33 1 10W PCMCIA_A12 PCMCIA_D7 R62 33 1 10W R170 33 1 10W PCMCIA_D6 PCMCIA_A2 U10 74LVC573DB 1 10 11 20 19 18 17 16 15 14 13 12 2 3 4 5 6 7 8 9 OE GND LE VCC Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 D1 D2 D3 D4 D5 D6 D7 D8 R42 0 1 10W 3 3V_D A_CD1 MIU_DATA4 A_MDO2 C60 10uF ...

Page 50: ...3V_D R73 NC C84 10uF 16V R91 22 1 10W R72 NC R82 NC C72 22pF 3 3V_D R85 NC FB4 150 OHM 1 2 C91 0 1uF R110 0 1 10W R65 75 1 10W C96 0 1uF L14 2 2uH C73 10uF 16V C78 0 1uF SW1 NC 2 1 3 4 5 L19 300 OHM R81 NC 3 3V_D L20 300 OHM FSCLK 1 2V_D DTV_L C105 390pF FB3 150 OHM 1 2 NOR_RYBY 5 MOJO_TRST R99 NC R66 75 1 10W C90 0 1uF R209 NC C101 0 1uF QFP208 R121 100 1 10W R112 NC C107 10uF 16V C111 2 2uF 16V ...

Page 51: ...124 100 1 10W 1 PNX8314_TS_FLASH SDRAM AOC Top Victory Electronics Co Ltd Custom 5 5 Wednesday May 16 2007 Title Size Document Number Rev Date Sheet of MIU_DATA13 3 3V_D MIU_ADDR6 I2C_LOCAL_SDA 2 3 4 SDRAM_ADDR10 SDRAM_DQM1 MIU_ADDR5 NOR_RYBY C123 0 1uF 3 3V_MOJO MIU_ADDR19 SDRAM_D8 SDRAM_ADDR14 MIU_ADDR17 MIU_DATA2 MIU_DATA5 SDRAM_D14 MIU_ADDR0 TSOP 48 5 15 NC MIU_ADDR16 MIU_ADDR21 L24 300 OHM U1...

Page 52: ...42 LCD TV AOC L42W781HS 52 ...

Page 53: ...42 LCD TV AOC L42W781HS 53 9 5 Side Board ...

Page 54: ...42 LCD TV AOC L42W781HS 54 10 Exploded View ...

Page 55: ... 8 47 CR3 SCREW 0M1T1140 6120 SCREW 4 6MM 0M1T1730 6120 SCREW 3 6MM 0Q1T 330 8 47 CR3 SCREW 0Q1T 930 8120 SCREW 0Q1T 940 10120 SCREW 0Q1T 940 16 47 CR3 SCREW 750TVUT0W1523N PANEL T420XW01 V501 XM AUO Q40T000285010A I O LABEL Q40T000285011A I O LABEL Q52T 1211540 ALUMINUM FOIL TAPE TUPF7QA4 TUNER BOARD TUPF7QA9 TUNER BOARD 041T780061563A WARRANTY CARD 050T 600 1 W WHITE STRAP 052T 1185 1 BIG TAPE 0...

Page 56: ...CT L Q15T0147A01 BKT CONNECT R Q15T0150A01 SUPPORT L Q15T0151A01 SUPPORT R Q15T0179A01 BKTSTAND HOLD A2 Q35T0014 1B1C TRIM_BEZEL Q36T 600 38 1 NONWOVEN FABRIC Q44T3121510548 PU FOAM Q44T3231 21 18 EVA WASHER Q44T3231 21 29 EVA WASHER Q44T3231 21 30 EVA WASHER Q44TN002 1 CUSHION_EPS 42 Q44TN002 2 CUSHION_EPS 42 Q44TN002 3 CUSHION_EPS 42 Q44TN002 4 CUSHION_EPS 42 Q45T 99609 44 EPE COVER FOR BASE Q45...

Page 57: ...20 SCREW 0Q1T 140 8120 SCREW A34T0341BBC 1L 33 BASE_S2 A34T0342BBC 1L STAND A2 S Q12T7027 1 FOOT Q12T7027 1 FOOT Q15T0178A01 BKT BASE A2 Q15T0183A01 BKT STAND E427ATNBBWACNNT Part No Description 705TQ7SK016 SKD ASS Y FOR HANNSTAR 001T6020 1 SCREW SPE CIAL 002T6008 1 SCREW 050T 500 1 CABLE TIE 052T 1150 C WHITE TAPE 052T 1211 A ADHESIVE TYPE 089T 17356G 53 ATV CABLE 105MM 089T 17356G565 RF CABLE 22...

Page 58: ...RNER PAPER G45T 77 3 PE PACKING Q26T 800504 2 BARCODE Q35T0014 1D1C DECO_BEZEL_TV42W 7A2 Q40T 42061510A RATING LABEL Q40T581C62435A P N LABEL Q41T4201615 6A MANUAL Q41T7800615B10 TELEPHONE NUMBER Q41T780A61594A QSG Q44TN001615 9A T 42 TV CARTON Q44TN001BLO001 PAPER SHEET Q45T 76 28 RN R PE BAG Q45T 76 28NV2 R PE BAG FOR CLAMP P E427ATNBBWACNNT E427ATNBBWHS2N 001T6021 1 SCREW 002T6019 1 STAND OFF 0...

Page 59: ...6025 15230 INSULATING SHEET Q52T6025 15239 MYLAR 033T 465 1 CLIP JIONTER Q44TN002 5 1A U TYPE SHEET FOR ACCESSORIES Q44TN004 1 EPS FOR HANNSTAR Q15T0147A02 BKT CONNEVT R 087T 501 7 AC SOCKET 3PIN 088T 303 6A SS RCA JACK TO FEMALE SOCKET 095T 900100 D HARNESS 100MM 096T 29 6 SHRINK TUBE UL CSA 0M1T 130 6 47 CR3 SCREW A15T0176A03 BKT IO BOTTOM 0M1T 930 6120 SCREW M3 0 5X6 PTPF7QA7 OPTION BOARD T2532...

Page 60: ...BRIC Q36T 600 37 15 CLOTH_GRIDDING Q36T 600 37 16 NONWOVEN FABRIC Q36T 600 46 1 HIMERON Q44T3231 21 29 EVA WASHER 0D1T 930 6120 SCREW 0Q1T 140 8120 SCREW A34T0341BBC 1L 33 BASE_S2 A34T0342BBC 1L STAND A2 S Q12T7027 1 FOOT Q12T7027 1 FOOT Q15T0178A01 BKT BASE A2 Q15T0183A01 BKT STAND ...

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