background image

8.4. MT8202 DDR MEMORY & FLASH

TSOP 48 pin

VREF DECOUPLING

CLOSE TO 8202 PIN

PULL HIGH D1V25 ARRAY RESISTOR
DECOUPLING CAP ON THE BOTTOM SIDE.

DDR DECOUPLING CAP ON THE BOTTOM SIDE

MT8202 DECOUPLING CAP ON THE BOTTOM
SIDE.

DDR TOP SIDE

OTHER CAP DDR BITTOM SIDE.

D_RA7

D_DQS3

A_DQ2

D_CS_1

IOCE_1

A_RA1

D_DQ17

D_DQ26

D_DQ30

D_DQM0

D_RA11

D_DQ4

D_CLK

F_A15

D_DQ26

D_DQ20

IOA0

IOWR_1

PWR_1

D_DQM1

A_DQ12

D_BA0

D_RAS_1

A_DQ0

D_DQ19

D_RA0

D_RA6

A_RA10

A_DQS2

D_DQ0

D_DQ13

F_D[0..7]

D_DQM0

D_DQ22

A_DQ25

IOA6

D_DQ30

A_RA9

A_CLK

A_CLK

D_CAS_1

D_RA11

D_DQ10

D_DQ26

D_DQ21

D_DQ29

D_CLK

D_DQS2

F_A16

F_A14

VREF

F_A[8..21]

A_DQ3

D_RA5

D_CAS_1

D_DQ14

D_WE_1

D_DQ5

D_RAS_1

D_DQ12

IOA7

D_DQ20

D_DQ13

D_DQ8

D_DQ7

A_DQ24

D_DQ5

D_CKE

A_DQM0

D_DQ20

D_DQ31

D_DQ21

D_DQ2

A_DQ16

D_DQ3

F_A8

D_RA4

A_DQ29

D_CLK

A_DQ17

A_BA[0..1]

A_CAS_1

D_DQS2

D_DQ1

D_RA11

D_DQS3

A_CKE

F_D5

F_D3

D_WE_1

D_DQ23

F_D7

D_RA4

D_BA1

IOA[0..7]

A_DQ[0..31]

D_CS_1

D_DQ0

D_BA0

D_DQ7

D_DQM1

A_DQ19

D_DQ5

A_DQS3

D_DQ0

VREF

D_DQ27

A_DQ8

A_DQ26

D_DQM0

D_BA0

D_CLK_1

A_DQS0

D_RA3

D_RA2

D_RA5

D_DQS0

IOA3

A_RA[0..11]

A_CS_1

VREF

D_DQ9

A_DQ13

D_DQ31

F_A11

D_CAS_1

D_RA1

A_DQ14

FLASHVCC

D_RA10

D_RA2

D_RA10

A_DQ20

D_RA6

D_CLK_1

F_A10

D_DQ25

D_DQ24

SDV25

A_CLK_1

D_RA8

D_DQ16

A_DQ22

D_DQ30

D_DQ28

D_DQ8

D_DQ18

D_DQ11

D_DQM1

A_RA5

D_CKE

D_DQ19

D_RA10

D_DQ27

D_RA5

F_D0

A_CS_1

D_CS_1

D_CS_1

A_RA3

D_DQS3

A_DQM[0..1]

D_DQM0

D_RA7

D_DQ14

D1V25

D_DQ28

D_RA1

D_RA9

F_A9

D_BA1

D_RA8

D_DQ8

IOA4

D_RA9

D_DQ6

D_RA2

D_CLK

D_DQS1

A_DQS1

A_RA2

IOA2

D_DQ29

D_DQ24

D_RA1

D_DQ4

D_WE_1

D_DQ23

PWR_1

A_RAS_1

D_DQ19

A_DQ15

F_D2

D_RAS_1

D_DQ10

D_RA10

A_CLK_1

D_DQ15

D_RA8

D_DQ21

A_DQ28

D_DQ16

D_RA9

D_DQ29

A_RA6

D_DQ16

D_DQ2

F_OE_1

F_A13

D_DQ2

D_RA3

D_DQ13

A_DQ6

D_DQS2

F_D4

F_A17

D_RA0

D_DQ10

D_CLK_1

D_DQ18

D_RA3

D1V25

D_DQ11

D_BA1

F_D6

A_DQS[0..3]

A_WE_1

DV25A

D_DQ1

D_RAS_1

A_DQ18

D_DQ31

A_BA1

A_CAS_1

D_DQ23

A_DQM1

A_DQ4

F_A21

A_DQ7

IOA1

A_DQ9

D_RA7

D_CKE

A_RAS_1

D_RA4

D_DQ27

D_RA0

A_DQ11

D_RA1

A_DQ30

D_DQS1

F_D1

D_DQ17

DVREF

D_BA1

D_RA3

A_RA4

D_DQ9

D_RA4

D_RA8

A_RA0

A_DQ10

A_DQ1

D_DQ28

D_DQ22

SDV25A

DVREF

A_DQ27

PCE_1

IOCE_1

PCE_1

D_DQ25

D_RA9

D_DQ3

D_DQ9

F_OE_1

A_DQ5

D_DQ12

D_DQ17

A_WE_1

D_DQ14

D_DQ7

D_DQ15

D_DQ11

A_RA11

D_BA0

D_RA7

A_RA8

D_RA2

D_DQ12

D_CLK_1

A_RA7

D_DQ22

D_DQS1

D_RA6

A_DQ31

D_RA0

D_WE_1

D_RA5

D_DQ6

A_BA0

A_DQ21

D1V25

F_A19

F_A18

IOA5

D_DQ18

D_DQS0

D_DQM1

A_CKE

D_CAS_1

D_DQ24
D_DQ25

D_DQ15

F_A20

DV25A

D_RA11

D_DQ4

D_DQS0

F_A12

D_RA6

IOWR_1

A_DQ23

D_DQ1

D1V25

D_DQ3

D_DQ6

DV25A

VREF

DVREF

SDV25A

DV25B

DV25B

F_D[0..7]

3

A_CAS_1

3

A_BA[0..1]

3

A_RAS_1

3

IOA[0..7]

3

VREF

3

IOWR_1

3

A_CLK_1

3

SDV25A

3

A_WE_1

3

A_RA[0..11]

3

IOCE_1

3

A_DQM[0..1] 3

A_DQS[0..3]

3

A_CS_1

3

A_DQ[0..31]

3

A_CKE

3

A_CLK

3

DV25A

3

F_OE_1

3

F_A[8..21]

3

DV25B

SB33B

DV25A

VCC

D1V25

DV25B

VREF

DV25B

SB33B

D1V25

SDV25A

SB33B

SB33B

DV25A

DV25B

DV25B

VREF

DV25B

ATVDDR_2V5

ATVDDR_2V5

DV33B

D1V25

DV25B

C208

0.1U

C0603

R124

75

R240

100K/1%

C155
0.1U

C143
0.1U

C152
0.1U

RP20

47x4

1

2

3

4

5

6

7

8

RP09

47x4

1

2

3

4

5

6

7

8

C218

0.1U

R138

75

C161
0.1U

RP24

22x4

1

2

3

4

5

6

7

8

C181
0.1U

C172
3300P

R140

75

R121
0

C163
0.1U

R143

150

C150
0.1U

C145
0.1U

RP18

47x4

1

2

3

4

5

6

7

8

C170
3300P

R144

75

C180
0.1U

C199

0.1U

C0603

R123

22

C184
0.1U

C137

0.1U

C151
0.1U

C188
0.1U

I107

29LV160

25
24
23
22
21
20
19
18

8

9

28

47

16

29
31
33
35

7

26

38
40
42
44
30
32

10

36
39
41
43
45

37

27

11

15

34

46

6

4

5

3
2
1

48
17

13

12

14

A0
A1
A2
A3
A4
A5
A6
A7
A8

A19

OE

BYTE

A18

D0
D1
D2
D3

A9

CE

D4
D5
D6
D7
D8
D9

A20

D11
D12
D13
D14
D15

VCC

GND1

WE

RY/BY

D10

GND2

A10

A12

A11

A13
A14
A15
A16
A17

NC

RESET

WP/ACC

+

C175

470UF/16V

C215

0.1U

RP07

47x4

1

2

3

4

5

6

7

8

R132

22

C164
0.1U

R137

22

C167
3300P

R145

150

C222
100U/16V

CE025063

C140
0.1U

C214

0.1U

C198

0.1U

C0603

RP12

47x4

1

2

3

4

5

6

7

8

L112

R121/0603 3A

C171
3300P

R126

47

C158
0.1U

C147
0.1U

RP14

75x4

1

2

3

4

5

6

7

8

C139
0.1U

R133
0R

8M x 16

DDR

I109

M13L128168 8Mx16-5 

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

66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34

VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
NC
VDDQ
LDQS
NC
VDD
DNU
LDM
WE
CAS
RAS
CS
NC
BA0
BA1
A10/AP
A0
A1
A2
A3
VDD

VSS

DQ15

VSSQ

DQ14
DQ13

VDDQ

DQ12
DQ11

VSSQ

DQ10

DQ9

VDDQ

DQ8

NC

VSSQ

UDQS

NC

VREF

VSS

UDM

CK
CK

CKE

NC

A12
A11

A9
A8
A7
A6
A5
A4

VSS

C179
0.1U

+

C210

100U/16V

+

C220

220uF/16v

RP13

75x4

1

2

3

4

5

6

7

8

RP19

75x4

1

2

3

4

5

6

7

8

RP05

22x4

1

2

3

4

5

6

7

8

C189
0.1U

ADJ

OUT

IN

I111

AMC7585-2.5V/TO252

3

2

1

4

R122

10K

C159
0.1U

C174

0.1U

R134

75

C207

0.1U

C0603

C148
0.1U

+

C212

1000U/16V

RP16

47x4

1

2

3

4

5

6

7

8

R142

75

C144
0.1U

C194

10U/16V/Y5V

C202

0.1U

R125

47

C178
0.1U

C223
0.1UF

C138
0.1U

C160
0.1U

R130

22

C204

0.1U

C209

0.1U

C0603

+

C219

100U/16V

R135

22

R128

47

C166
3300P

C185
0.1U

R120

10K

C177
0.1U

I149
RT9173

1

6

4

5

3

8

2

7

Vin

VCNTL

VOUT VCNTL

VREF

VCNTL

GND

VCNTL

RP10

47x4

1

2

3

4

5

6

7

8

RP15

47x4

1

2

3

4

5

6

7

8

R131

75

C200

0.1U

C0603

C190
0.1U

C203

0.1U

C141
0.1U

C195

1uF

C176
0.1U

C201

0.1U

C0603

C142
0.1U

C216

0.1U

RP01

75x4

1

2

3

4

5

6

7

8

C168
3300P

C197
3300P

C0603

RP22

75x4

1

2

3

4

5

6

7

8

RP02

22x4

1

2

3

4

5

6

7

8

C165
0.1U

RP23

75x4

1

2

3

4

5

6

7

8

C169
3300P

RP04

75x4

1

2

3

4

5

6

7

8

C205

0.1U

+

C192

47uF/16v

RP08

75x4

1

2

3

4

5

6

7

8

C213
4.7u/16v 0805

C156
0.1U

C186
0.1U

C153
0.1U

C182
0.1U

R141

150

RP03

22x4

1

2

3

4

5

6

7

8

R239
100K/1%

C149
0.1U

RP21

75x4

1

2

3

4

5

6

7

8

C206

0.1U

R136

75

C183
0.1U

R127

47

C162
0.1U

C146
0.1U

C217

0.1U

C196
3300P

C0603

+

C193
220uF/16v

R129

75

RP11

75x4

1

2

3

4

5

6

7

8

C211
0.1U

8M x 16

DDR

I108

M13L128168 8Mx16-5

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

66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34

VDD
DQ0
VDDQ
DQ1
DQ2
VSSQ
DQ3
DQ4
VDDQ
DQ5
DQ6
VSSQ
DQ7
NC
VDDQ
LDQS
NC
VDD
DNU
LDM
WE
CAS
RAS
CS
NC
BA0
BA1
A10/AP
A0
A1
A2
A3
VDD

VSS

DQ15

VSSQ

DQ14
DQ13

VDDQ

DQ12
DQ11

VSSQ

DQ10

DQ9

VDDQ

DQ8

NC

VSSQ

UDQS

NC

VREF

VSS

UDM

CK
CK

CKE

NC

A12
A11

A9
A8
A7
A6
A5
A4

VSS

C157
0.1U

C191
0.1U

C173
3300P

RP17

75x4

1

2

3

4

5

6

7

8

R139

22

RP06

75x4

1

2

3

4

5

6

7

8

C187
0.1U

C154
0.1U

ViewSonic Corporation

                                                         

Confidential - Do Not Copy

       

N3752w-1M

 

56

Содержание N3752w-1M

Страница 1: ...Service Manual ViewSonic N3752w 1M Model No VS11405 1M 37 LCD TV N3752w 1M_SM Rev 1a Oct 2006 ViewSonic 381 Brea Canyon Road Walnut California 91789 USA 800 888 8583...

Страница 2: ...d specifically disclaims any warranty of merchantability or fitness for any particular purpose Further ViewSonic reserves the right to revise this publication and to make changes from time to time in...

Страница 3: ...uit Description 20 5 Adjustment Procedure 24 6 Trouble Shooting Flow Chart 48 7 Block Diagram 52 8 Schematic Diagrams 53 9 PCB Layout Diagrams 79 10 Exploded Diagram And Exploded Parts List 85 11 Reco...

Страница 4: ...input connector 3 Wipe off water drop immediately Long contact with water may cause discoloration or spots 4 When the panel surface is soiled wipe it with absorbent cotton or other soft cloth 5 Since...

Страница 5: ...touch the metal frame of the LCD panel or the front cover of the monitor Do not touch the surface of the polarizer Surface of the LCD panel is pressed by fingers and that may cause Mura Take out the...

Страница 6: ...lace the monitor on a clean and soft foam pad Placing the monitor on foreign objects That could scratch the surface of the panel or cause Mura ViewSonic Corporation Confidential Do Not Copy N3752w 1M...

Страница 7: ...user adjustment b No image drift or lose fine tune settings due to panel temperature change Panel Acceptance Spec Refer to the panel acceptance criteria specification Note Intermittent and or Display...

Страница 8: ...Audio Audio amp of this product shall be provided by ESMT with a Model Number of 8256A MTK MT8202 for N3752W shall be used as sound processor In addition a pair of speakers shall be integrated within...

Страница 9: ...e with ISO 7779 DIN EN27779 1991 Power Switch noise shall be Excluded Efficiency 80 full load nominal line Leakage Current 0 5mA 240VAC Power Saving DPMS N A Recovery Time 3 sec Power Factor Correctio...

Страница 10: ...and Left Right for function adjust Enter Enter the function setting Menu On screen display OSD menu ON OFF CH and CH Change channel for TV only Control buttons Play Stop Pause Record Forward Rewind bu...

Страница 11: ...lastic Parts Specification VSCMPPSPEC001V1 2 Screen Printed Parts Bird Logo Recess Artwork shall be provided and confirmed by ViewSonic Rear Label A label identifying the product name model serial num...

Страница 12: ...bol are trademarks of Dolby Laboratories Only for DTV source in this model Volume Down Decrease sound volume or adjust a highlighted control while in OSD menu Volume Up Increase sound volume or adjust...

Страница 13: ...posite Video input Connect this port to the composite video output of A V device YPbPr signal input Connect this port to the YPbPr output of A V device S Video input Connect this port to the S Video o...

Страница 14: ...Remote Control ViewSonic Corporation Confidential Do Not Copy N3752w 1M 11...

Страница 15: ...buttons Select desire device M Zoom Adjust window size N WIDE Change aspect ratio O UP DOWN LEFT RIGHT ENTER UP DOWN for OSD function select and LEFT RIGHT for function adjust ENTER Enter the function...

Страница 16: ...vid and Hi Bright Audio Menu To set the audio quality and status Audio Menu is active in all input sources Bass To adjust bass Treble To adjust the treble Balance To adjust left and right audio balanc...

Страница 17: ...factory default of the password is 0000 To enable parental control input the password press button to focus on OK key and then press ENTER Select Cancel if you want to exit After entering the followi...

Страница 18: ...To clear all the locks set before press ENTER The factory default of the password is 0000 To enable parental control input the password press button to focus on OK key and then press ENTER Select Can...

Страница 19: ...material that is unsuitable for children under 14 years of age TV G General audience TV MA Mature audience only Color Temperature To select the color temperature from Warm Cold Normal or User If you s...

Страница 20: ...y using or ENTER Channel Name Press ENTER to edit a name for the channel appointed Use to select the letters you want and use BackSpace key to delete backwards Move the cursor to OK and then press ENT...

Страница 21: ...adjust the horizontal position of the picture V Position To adjust the vertical position of the picture Font Size To select a font size from Large Small or Medium Font Style To select different font s...

Страница 22: ...put source for main screen press SOURCES button PIP Size Select Press PIP Size to select the size of sub screen The function only acts on PIP PIP Position Select Press to select the position of sub sc...

Страница 23: ...s and route them into Main and PIP data path B 3D comb filter Video Decoder Deinterlacer and Scaling controller MT8202 includes 3D comb filter TV decoder to retrieve the best image from popular compos...

Страница 24: ...ctively The control voltages are converted to analog signals through the on chip 1 bit sigma delta D A converters plus the off chip R C low pass filters The automatic gain control keeps the received p...

Страница 25: ...UG_POWER MT8293 has 3 I2C interfaces LCD Controller IC use the CSDL CSDA interface to access MT8293 registers MT8293 use KSDL KSDA interface to read HDCP key from the EEPROM HDMI transmitter use DSDL...

Страница 26: ...AD12250 converts stereo single ended analog input signals into 24 bit I2S digital audio data through on chip anti aliasing filter multi bit modulator decimation filter and high pass filter which remov...

Страница 27: ...ENTER at the same time then go into the FACTORY MODE Fig 1 Fig 2 D Figure 1 Select EEPROM INITIAL and press ENTER The act of EEPROM INITIAL is completed when EEPROM INIT disappeared 1 4 2 COLOR TEMPER...

Страница 28: ...input jack both support TV and DTV systems Besides the TV system NTSC and DTV systems ATSC can be found by the scanning of AIR in the AUTO SCAN function B Cable TV Connect the LCD TV to the cable wit...

Страница 29: ...487 75 493 75 499 75 505 75 511 75 517 75 523 75 529 75 535 75 541 75 547 75 553 75 559 75 565 75 571 75 577 75 583 75 589 75 595 75 601 75 607 75 613 75 619 75 625 75 631 75 637 75 643 75 101 00 107...

Страница 30: ...7 00 263 00 269 00 275 00 281 00 287 00 293 00 299 00 305 00 311 00 317 00 323 00 329 00 335 00 341 00 347 00 353 00 359 00 365 00 371 00 377 00 383 00 389 00 395 00 JJ KK LL MM NN OO PP QQ RR SS TT U...

Страница 31: ...er LEVEL 60dBu regards as normally PRODUCTS OUTPUT CHECK ITEM A The same as CENTRALISM TRANSMITTING SIGNAL CHECK CONTENT B saturation TEST inputs the TV signal the input signal LEVEL establishment mos...

Страница 32: ...0 106ms 0 064ms V Border 0 254ms 0 000ms 0 000ms 0 000ms H V Sync Interlace No No No No ITEM 5 6 7 8 TIMING 1024 768 60HZ 1024 768 75HZ 1280 720 60HZ 1280 768 60HZ Pixel Rate 65 000MHZ 78 750MHZ 74 2...

Страница 33: ...959us 15 630us H DISPLAY 15 906us 11 852us H B Porch 2 994us 2 296us H Width 1 310us 1 037us H Border 0 000us 0 000us V TOTAL 16 662ms 16 661ms V DISPLAY 16 097ms 16 005ms V B Porch 0 377ms 0 594ms Vs...

Страница 34: ...conform to the LCD TV you have to do the DDC key in 2 1 Equipment Needed N3752W LCD TV DDC Card PC RS 232 cable Barcode Reader VGA Cable N3752W LCD TV DDC Card PC RS 232 Cable VGA Cable Barcode Reade...

Страница 35: ...DDC Card and N3752W LCD TV with VGA Cable when key in DVI DDC information use VGA transform to DVI port 2 2 4 Connect Power Cord to N3752W LCD TV 2 3 DDC Key In Procedure 2 3 1 run DDC exe 2 3 2 Choos...

Страница 36: ...3 3 Press ENTER key 2 3 4 Input bar code 2 3 5 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 2 3 6 Exit program ViewSonic Corporation Confidential Do Not Copy N3752w 1M 33...

Страница 37: ...the different EDID into each HDMI connector 3 1 Equipment Needed N3752W LCD TV PC RS 232 cable Barcode Reader HDMI Cable N3752W LCD TV PC RS 232 Cable HDMI Cable Barcode Reader 3 2 Setup Procedure 3...

Страница 38: ...C keyboard port 3 2 3 Connect DDC Card and N3752W LCD TV with HDMI Cable 3 2 4 Connect Power Cord to N3752W LCD TV 3 3 DDC Key In Procedure 3 3 1 Run DDC exe 3 3 2 Choose model number then ViewSonic C...

Страница 39: ...3 3 Press ENTER key 3 3 4 Input bar code 3 3 5 Press ENTER key then the successful picture is as follows DDC DOWNLOED OK 3 3 6 Exit program ViewSonic Corporation Confidential Do Not Copy N3752w 1M 36...

Страница 40: ...execution N3752W ISP FIXTURE PC 4 2 Installing the USB device driver The USB driver will be upgraded if necessary PL 2303 Driver Installer exe 4 3 Insert the USB to RS232 Download Board to PC s USB p...

Страница 41: ...5 2 Select COM port Depends on the COM port assigned in System Device Manager Refer below right 4 5 3 Select Baud Rate 115200x 8 Suggestion ViewSonic Corporation Confidential Do Not Copy N3752w 1M 38...

Страница 42: ...4 5 4 Enable the USB Bridge 4 5 5 Browsing the File to download ViewSonic Corporation Confidential Do Not Copy N3752w 1M 39...

Страница 43: ...your platform and Mtktool 2 You can slow down the baud rate if some Flash memory can not works properly in high speed download 3 Please call the MediaTek contact window if any problem found like unsu...

Страница 44: ...e cushions on the LCD TV Figure 3 1 4 Place the LCD TV into the carton and then Put the other cushions on the LCD TV put all the accessories into the carton At last close the carton and seal it with t...

Страница 45: ...8807P POLYETHY BAG 1 8 DC 00008104 2001131664P OWNER GUIDE 1 9 DC 00008105 2002310614P GUARANT CARD QSG 1 10 A 00005362 2427130046P AC POWER CORD 1 11 CB 00003425 2427701893P RCA CABLE 1 12 N A 242770...

Страница 46: ...st Cover from LCD TV 1 1 Unscrew 4 screws that secure Stand Unit and detach Dust Cover from the LCD TV 2 Disassembly of Rear Cover 2 1 Unscrew 20 screws to remove Rear Cover Stand Dust Cover ViewSonic...

Страница 47: ...wer Board IR Board Speaker Front Cover and Panel Unit 3 1 Unscrew 20 screws to remove Shield Plate 3 2 Unscrew 8 screws to remove Speaker Speaker Rear Cover Shield Plate ViewSonic Corporation Confiden...

Страница 48: ...3 3 Unscrew 3 screws to remove Bracket Fix 3 4 Unscrew 10 screws and disconnect the wires to remove Main Board Main Board Bracket fix ViewSonic Corporation Confidential Do Not Copy N3752w 1M 45...

Страница 49: ...isconnect the wires to remove Power Board 3 6 Unscrew 5 screws to remove METAL FITTG 3 7 Unscrew 2 screws and disconnect the wires to remove KeyPad Board Power Board ViewSonic Corporation Confidential...

Страница 50: ...crews to remove Front Cover 3 9 Lay Panel Unit facedown and unscrew 26 screws on its right left up and down sides to remove Panel Bracket Front Cover Panel ViewSonic Corporation Confidential Do Not Co...

Страница 51: ...145 No Yes Yes Check I135 is defective Replace I135 Yes Check I136 is defective Replace I136 Yes Check Pin37 of I145 is high Check Earphone circuit Yes Check I145 is defective Replace I145 Yes Check S...

Страница 52: ...s Yes Replace I106 I107 START Check X100 is OK Replace I101 Replace I102 No No No Replace IR Board Replace x100 No No Check Wire Connection on power board is OK Replace Power Board Connect the wire Ye...

Страница 53: ...is on I804 Pin21 Check Q802 C886 is OK Check I106 has output signal at Pin13 22 of P803 Check the LVDS wire from P803 to panel is OK Replace Q802 or C886 Replace I804 Check L816 R172 R173 C332 C33 4...

Страница 54: ...Hz is on Pin4 of I115 Check I106 No Check I114 is defective Replace I114 Yes Check I115 has output signal at RP25 RP30 Replace I115 Yes No Yes Yes No Check I106 has output signal at Pin11 16 and Pin19...

Страница 55: ...IR PC D Sub AD12250 A D converter HDMI 2 AD8256 Audio Amp MT5112 Demod LCD Module NTSC HDMI SWITCH AV CVBS MT8202 COMBO Tuner S Video2 MT5351 Mpeg decoder CABLE DDR SDRAM HDMI 1 Speaker 10Wx2 YPbPr HD...

Страница 56: ...21 0805 6A C806 0 1U H105 HOLE GND 2 3 4 5 9 8 7 6 1 2 3 4 5 9 8 7 6 1 E B C SOT 23 Q102 MMBT3904 1 3 2 R103 4 7K C104 1U R102 10K L234 R121 0805 6A C805 4 7uF 50V C105 1000U 16V LowESR C107 0 1U L218...

Страница 57: ...AZ1117 adj 3 2 1 4 C121 100U 16V C116 0 1U L109 R121 0805 6A I101 AP1510 1 8 2 7 3 6 4 5 FB VSS EN VSS OCSET Output VCC Output R515 3 9K R517 3 65K 1 ADJ OUT IN I104 AIC117 1 8V SOT223 3 2 1 4 R844 6...

Страница 58: ...A_CS_1 4 SY0 8 ERO3_GPIO 20 VIDEO_OUT 21 CCIR_GPIO_D 10 SDA0 26 SCL0 26 AUD_CTRL 12 TUNER_SW 13 READY 7 RED_LED 24 GREEN_LED 24 PWR_ON_OFF 1 IDT_OE 13 HD_PON 11 SB33B SB18A DV33A SB33B SB33B DV18A SB...

Страница 59: ...0 1U C172 3300P R140 75 R121 0 C163 0 1U R143 150 C150 0 1U C145 0 1U RP18 47x4 1 2 3 4 5 6 7 8 C170 3300P R144 75 C180 0 1U C199 0 1U C0603 R123 22 C184 0 1U C137 0 1U C151 0 1U C188 0 1U I107 29LV1...

Страница 60: ...P3 3 ADACVDD 3 ADCVDD 3 LVDDB 3 REFP 3 PLLVDD3 3 TESTP4 3 AADCVDD 3 TESTN3 3 GNDA 3 21 22 LVDDA 3 REFN 3 PLLVDD1 3 AVDD_VAD0 3 DACFS 3 AVDD_VAD1 3 AV33A AV33A ASB33A ADCV33A ADCV18A ASB18A ASB18A ADCV...

Страница 61: ...603 C288 3300P C0603 C301 0 1U C0603 C304 0 1U C295 3300P C0603 C290 0 1U C0603 C296 3300P C0603 C305 0 1U C302 0 1U C0603 C306 0 1U C286 0 1U C291 0 1U C0603 C297 3300P C0603 C287 0 1U C294 0 01U C06...

Страница 62: ...C818 0 1uF C0603 SMD R815 4 7K R0603 SMD C819 10nF C0603 SMD C822 10nF C0603 SMD R819 100 R0603 SMD R820 100K R0603 SMD L804 R121 0805 6A BEAD SMD 0805 2A R817 4 7K R0603 SMD Q802 2SC2712 SOT23 SMD 1...

Страница 63: ...AVY0N SY0 TUMPX1 Y0 3 TUMPX1 7 MPX1 3 PR0 3 AADCVSS 3 5 21 22 SOY0 3 AVSY0 9 AVPR0P 9 VFE_GND1 2 3 5 22 AVPR0N 9 SY0 3 AVPB0N 9 CVBS0 3 SC0 3 PB0 3 AVSOY0 9 CVBS1 3 PB0 3 AVY0P 9 AVCVBS1 9 Y0 3 AVPB0...

Страница 64: ...SC0 8 AV0SY0R_IN 19 YPBPR0L_IN 19 AVPR0P 8 AVY0N 8 AVSY0 8 AVPB0N 8 AVCVBS1 8 YPBPR0R_IN 19 AV0SY0L_IN 19 AVPB0P 8 AVY0P 8 AVSOY0 8 AVPR0N 8 AV0SY0L_IN 19 AV0SY0R_IN 19 YPBPR0L_IN 19 YPBPR0R_IN 19 L81...

Страница 65: ...5 0 1U TP59 C362 100U 16V C391 0 1U C380 1000P RP29 33x4 1 2 3 4 5 6 7 8 L142 R121 0603 3A L141 R121 0603 3A C389 0 1U C361 1000P R223 NC C393 0 1U TP44 RP31 33x4 1 2 3 4 5 6 7 8 C374 1000P C402 0 1U...

Страница 66: ...APM2301 P P809 HDMI_con 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 23 SHELL1 SHELL2 D2 D2 Shield D2 D1 D1 Shield D1 D0 D0 Shield D0 CK CK Shield CK CE Remote NC DDC CLK DDC DATA GND 5V H...

Страница 67: ...3 SDA1 VI10 VOG3 U2RX AO1SDATA0 DV33 VI18 SCL1 VOR0 AO1MCLK 8293LRCK 8293SD0 8293BCLK 8293MCLK AO1LRCK AO1SDATA0 AO1MCLK AO1BCK HDMISD0 HDMILRCK HDMIMCLK HDMIBCLK AUD_CTRL AUD_CTRL 8293BCLK 8293MCLK 8...

Страница 68: ...0 1uF C0603 SMD C857 0 1uF C0603 SMD C849 0 1uF C0603 SMD C862 0 1uF C0603 SMD R828 1M R0603 SMD R831 4 7K R0603 SMD C860 0 1uF C0603 SMD C828 10nF C0603 SMD L811 R121 0805 6A BEAD SMD 0805 C845 0 1uF...

Страница 69: ...063 C439 0 1U C0603 I808 AP1510 1 2 3 4 8 7 6 5 FB EN OCSET VCC VSS VSS OUTPUT OUTPUT R850 1_3K C783 0 1U C0603 R232 0 R0603 C317 10U 50V C880 0 01uF NC L158 10uH SMD DRWW9 12 0 6mm C883 0 1U C0603 I1...

Страница 70: ...R17 R18 D27 D28 E25 E26 E27 E28 F25 F26 F27 F28 G25 G26 G27 G28 H25 H26 H27 H28 J25 J26 J27 J28 K25 K26 K27 K28 L25 L26 L27 L28 M25 M26 M27 M28 N25 N26 N27 N28 P25 P26 P27 P28 T28 T27 T26 T25 U28 U27...

Страница 71: ...GND VCNTL RP57 47x4 1 2 3 4 5 6 7 8 C496 0 1U C0603 R282 47 C535 0 1U C0603 C541 0 1U C0603 C512 0 1U C0603 C517 0 1U C0603 RP51 47x4 1 2 3 4 5 6 7 8 C525 0 1U C0603 RP48 75x4 1 2 3 4 5 6 7 8 RP68 75...

Страница 72: ...DV33 DV33 DV33 DV33 DV33 DV33 R303 4 7K R0603 R295 NC 4 7K R0603 TP68 U1RX TP SMD D0 6 C550 0 1U C0603 R299 4 7K R0603 TP78 JTDO TP SMD D0 6 TP75 JTMS TP SMD D0 6 L168 R121 0603 3A L0603 RP83 10Kx4 RN...

Страница 73: ...0603 C606 0 1U C0603 C560 4 7U C0805 C568 0 1U C0603 R314 47 R0603 C603 0 1U C0603 C582 0 1U C0603 C588 0 1U C0603 C557 1500P C0603 C566 4 7U C0805 C601 4 7U C0805 C579 0 1U C0603 C602 0 1U C0603 C552...

Страница 74: ...L_IN 9 YPBPR0R_IN 9 AV0SY0L_IN 9 AV0SY0R_IN 9 GPIO7 3 GPIO9 3 12V 21 23 SG_12V SG_12V SG_12V SG_12V SG_12V SG_12V SG_12V SG_12V SG_12V R355 47K R362 47K R354 10K C633 0 1U C0603 C629 22U 50V R353 47K...

Страница 75: ...C643 0 1U C649 10U 50V R379 10K R383 100K I136 AD12250 TSSOP16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 M0 MCLK VL SDOUT GND VD SCLK LRCK RST AINL VQ AINR VA REF_GND FILT M1 C641 0 1U L181 R121 0603 3A...

Страница 76: ...A 5 6 7 8 4 R498 NC 220 R430 100 R429 100 I139A NJM4558 OPA 3 2 1 8 4 E B C SOT 23 Q125 NC MMBT3904 1 3 2 R497 NC 10K C692 1000P L188 R121 0603 3A R415 20K C685 150P C669 220U 16V C687 820P C688 22U 5...

Страница 77: ...D132 5 6V 1 2 C610 0 01U R340 510 R328 75 C623 0 01U C615 0 01U L824 R80 0603 200mA C621 5P R348 2K R324 100 R333 NC 10K D133 NC 5 6V 1 2 R327 68 I133 24C21 SMD DIP 1 2 3 4 5 6 7 8 NC1 NC2 NC3 GND SDA...

Страница 78: ...03 C762 1n C0603 L202 15uH SMD C757 NC C0603 R404 4 7K R400 NC C659 1n C0603 L185 R121 0603 3A C675 0 1U C0603 L209 R121 0603 3A L200 R121 0805 6A R241 47 R242 47 C744 1n C0603 C663 1n C0603 C677 0 1U...

Страница 79: ...0 3 RED_LED 3 GREEN_LED 3 GPIO11 3 GPIO15 3 GPIO16 3 IRRCVR 3 SB33B 5VSB 5VSB Q121 MMBT3906 1 2 3 C734 0 1U R469 10K R468 10K R467 10K R458 47 C728 0 1U R466 10K C732 0 1U R464 10K R465 10K C730 0 1U...

Страница 80: ...858 22K P803 CON 2X15 2mm 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 C735 100U 16V R859 180 0805 C740 0 1U I142 AP9435M 1 8 2 7 3 6 4 5 S D S D S D G D E B C SOT...

Страница 81: ...SCL 3 10 13 23 SDA 3 10 13 23 SCL0 3 SDA0 3 SB33B SB33B 5VSB SB33B SB33B SB33B C741 100U 16V R503 4 7K R513 0 R846 10K R484 10K R489 47K C742 0 1U R487 10K D137 LL4148 E B C SOT 23 Q123 MMBT3904 1 3...

Страница 82: ...9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 79...

Страница 83: ...9 2 MAIN PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 80...

Страница 84: ...9 3 CON PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 81...

Страница 85: ...9 4 CON PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 82...

Страница 86: ...9 5 IR PCB TOP VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 83...

Страница 87: ...9 6 IR PCB BOTTOM VIEW ViewSonic Corporation Confidential Do Not Copy N3752w 1M 84...

Страница 88: ...10 Exploded View And Exploded Parts List ViewSonic Corporation Confidential Do Not Copy N3752w 1M 85...

Страница 89: ...ViewSonic Corporation Confidential Do Not Copy N3752w 1M 86...

Страница 90: ...6L MSWR17 FZMYI 1 35 N A 2081440084P SCREW WASH M4 8 P 0 7 TOOTH WASHER BLACK 4 36 N A 2082340102P SCREW CSK SCREW F M4X10 CSK 6 37 N A 2080005900P SCREW SPE M6 10MM TYPE I BLACK ZN 6 38 N A 20847401...

Страница 91: ...2 0T HW 00008018 2071882200P 5B03 19 Box Carton 360X220X50mm WXDXH Box B P 00004497 2011100017P 6P85 20 Foam EPE TOP LEFT P 00006616 2012186100P 6P20 21 Foam EPE TOP RIGHT P 00006617 2012186200P 6P21...

Страница 92: ...N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C286 1 38 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C287 1 39 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C304 1 40 N...

Страница 93: ...C CS 0603 X7R 50V 0 1u K T C637 1 113 N A 2346710596P CAP CHIP 85 C CS 0603 Y5V 16V 1 0u Z T C638 1 114 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C639 1 115 N A 2346710596P CAP CHIP 85...

Страница 94: ...50V 0 1u K T C832 1 191 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C833 1 192 N A 2341118096P CAP CHIP 125 C CS 0603 COG 50V 18p J T C834 1 193 N A 2341118096P CAP CHIP 125 C CS 0603 COG...

Страница 95: ...1 267 N A 2364302496P DIODE SCHOTTKY SMD SM17 DO 214AC MOSPEC D813 1 268 N A 2364302496P DIODE SCHOTTKY SMD SM17 DO 214AC MOSPEC D814 1 269 N A 2349901396P CAP CHIP SPEC EGA10603V05A1 B INPAQ D815 1...

Страница 96: ...I 3 0A L114 1 347 N A 2379360006P BEAD HI IMPEDANCE Z 60 ohm 200MHZ 0603 300mA L115 1 348 N A 2379360006P BEAD HI IMPEDANCE Z 60 ohm 200MHZ 0603 300mA L116 1 349 N A 2379512106P BEAD HI CURRENT Z 120...

Страница 97: ...7 1 427 N A 2370101696P COIL CHOKE SMD YC5D18T100M 10uH YOUTH L829 1 428 N A 2379360006P BEAD HI IMPEDANCE Z 60 ohm 200MHZ 0603 300mA L830 1 429 N A 2407640219P SOCKET SMD HDMI HMR47 19P ACON P809 RA...

Страница 98: ...S 8P4R 1 16W 75 ohm J P 0 8 RP04 1 501 N A 2259222008P RES CHIP NETWORKS 8P4R 1 16W 22 ohm J P 0 8 RP05 1 502 N A 2259275008P RES CHIP NETWORKS 8P4R 1 16W 75 ohm J P 0 8 RP06 1 503 N A 2259247008P RES...

Страница 99: ...R118 1 580 N A 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R119 1 581 N A 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R120 1 582 E R 0405 6600 2253200096P RES CHIP 1 10W RC 0603 1 10W...

Страница 100: ...1 1 658 N A 2253247096P RES CHIP 1 10W RC 0603 1 10W 47 ohm J T R242 1 659 N A 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R256 1 660 N A 2253233196P RES CHIP 1 10W RC 0603 1 10W 330 ohm J T R...

Страница 101: ...736 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J T R362 1 737 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J T R363 1 738 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1...

Страница 102: ...487 1 815 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J T R489 1 816 E 00003527 2253247396P RES CHIP 1 10W RC 0603 1 10W 47Kohm J T R490 1 817 E R 0405 6419 2253247296P RES CHIP 1 10W R...

Страница 103: ...RES CHIP 1 10W RC 0603 1 10W 560 ohm J T R853 1 893 N A 2253210396P RES CHIP 1 10W RC 0603 1 10W 10Kohm J T R854 1 894 N A 2253222396P RES CHIP 1 10W RC 0603 1 10W 22Kohm J T R858 1 895 N A 225331819...

Страница 104: ...3P CAP MINI ELE 105 C EC 10u 50V 5 7 P 2 5 T C679 1 971 N A 2333622613P CAP ELE 105 C EC 22u 50V 5 11 P 2 5 T C688 1 972 N A 2333622613P CAP ELE 105 C EC 22u 50V 5 11 P 2 5 T C691 1 973 N A 2336310713...

Страница 105: ...AP CHIP 125 C CS 0603 X7R 50V 3300p K T C197 1 1049 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C198 1 1050 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C199 1 1051 N A 23461104...

Страница 106: ...125 C CS 0603 X7R 50V 0 1u K T C381 1 1127 N A 2341110296P CAP CHIP 125 C CS 0603 COG 50V 1000p J T C382 1 1128 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C383 1 1129 N A 2341110296P CAP...

Страница 107: ...125 C CS 0603 X7R 50V 0 1u K T C545 1 1205 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C546 1 1206 N A 2346110496P CAP CHIP 125 C CS 0603 X7R 50V 0 1u K T C547 1 1207 N A 2346156296P CAP C...

Страница 108: ...RC 0603 1 10W 47 ohm J T R278 1 1284 E R 0405 6419 2253247296P RES CHIP 1 10W RC 0603 1 10W 4 7Kohm J T R317 1 1285 E R 0405 6419 2253247296P RES CHIP 1 10W RC 0603 1 10W 4 7Kohm J T R318 1 1286 E R...

Страница 109: ...4271102P FRONT BEZEL JC378UB HDMI ABS94HB BLACK 1F01 1 1362 N A 2054257003P ORNAMENT JC378EC FRONT BAR 94HB BLACK C 1F02 1 1363 N A 2031151400P DOOR PANEL VE800 PVC 15 8mm t 0 6mm 1F03 1 1364 N A 2053...

Страница 110: ...008018 2071882200P BRACKET FIX JC378UB STAND SECC 2 0T 5B03 1 1433 N A 2082340102P SCREW CSK SCREW F M4X10 CSK 5B04 4 1434 N A 2084740082P SCREW BND T M4X8 BND T 5B05 12 1435 N A 2039819901P FOOT PAD...

Страница 111: ...low Chart 7 Block Diagram 8 Schematic Diagrams 9 PCB Layout Diagrams 10 Exploded Diagram And Exploded Parts List 11 Recommended Spare Parts List B Are you satisfied with this Service Manual Item Excel...

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