Viewsonic N2750W-1E Service Manual

Service Manual

ViewSonic N2750w

Model No. VS10576-1E

LCD TV Display

ViewSonic

(N2750w-1E_SM Rev. 1a Nov 2005)

®

381 Brea Canyon Road, Walnut, California 91789 USA - [phone]

Copyright

Copyright© 2005 by ViewSonic Corporation. All rights reserved. No part of this publication may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or
computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical,
manual or otherwise, without the prior written permission of ViewSonic Corporation.

Disclaimer

ViewSonic makes no representations or warranties, either expressed or implied, with respect to the
contents hereof and specifically disclaims any warranty of merchantability or fitness for any particular
urpose. Further, ViewSonic reserves the right to revise this publication and to make changes from time
to time in the contents hereof without obligation of ViewSonic to notify any person of such revision or
changes.

Trademarks

ViewSonic is a registered trademark of ViewSonic Corporation.
All other trademarks used within this document are the property of their respective owners. Optiquest is a

registered trademark of ViewSonic Corporation.

Revision History

Revision SM Edciting Date ECR Number Description of Changes Editor

1a11/21/05Initial ReleaseB. Ting

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N2750w-1E

TABLE OF CONTENTS

1. Precautions and Safety Notices 1

2 Service Tool & Equipment Required 2

3. Specification 2

4.Exploded View and Parts List6

5.Recommended Spare Parts List 76

6.Block Diagram 8

7.Schematic Diagram 9

8.Working Theorem21

9.Wiring Diagram23

10.PCB Layout24

11.Trouble Shooting Flow Chart30

12.Adjustment35

13Electrical Parts List36

14.Appendix57

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N2750w-1E

N2750W(E) Service Manual

1. PRECAUTION AND NOTICES

1.1. SAFETY PRECAUTIONS

This LCD - TV is manufactured and tested on a ground principle that a user's safety comes first.
However, improper use or installation may cause damage to the monitor as well as to the user.
Carefully go over the following WARNINGS before installing and keep this guide handy.

WARNINGS:

This LCD - TV should be operated only at the correct power sources indicated on the label

!

on the rear end of the LCD - TV. If you're unsure of the power supply in your residence,
consult your local dealer or power company.
Use only the special power adapter that comes with this LCD - TV for power input.

!

Do not try to repair the monitor yourself as it contains no user-serviceable parts. This LCD -

!

TV should only be repaired by a qualified technician.
Do not remove the LCD - TV cabinet. There is high-voltage parts inside that may cause

!

electric shock to human bodies, even when the power cord is unplugged.
Stop using the LCD - TV if the cabinet is damaged. Have it checked by a service technacian.

!

Put your monitor only in a clean, dry environment. If it gets wet, unplug the power cable

!

immediately and consult your service technician.
Always unplug the LCD - TV before cleaning it. Clean the cabinet with a clean, dry cloth.

!

Apply non-ammonia based cleaner onto the cloth, not directly onto the glass screen.
Keep the LCD - TV away from magnetic objects, motors, TV sets, and transformer.

!

Do not place heavy objects on the LCD - TV or power cord.

!

1.2. PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in this chassis have special safety visual inspections and the
protection afforded by them cannot necessarily be obtained by using replacement components
rated for higher voltages, wattage, etc. Before replacing any of these components read the parts
list in this manual carefully. The use of substitute replacement parts which do not have the same
safety characteristics as specified in the parts list may create shock, fire, or other hazards.

1.3. SERVICE NOTES

1. When replacing parts or circuit boards, clamp the lead wires around terminals before
soldering.

2. When replacing a high wattage resistor (more than 1W of metal oxide film resistor) in circuit
board, keep the resistor about 5mm away from circuit board.

3. Keep wires away from high voltage, high temperature components and sharp edges.

4. Keep wires in their original position so as to reduce interference.

5. Usage of this product please refer to also user's manual.

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N2750W(E) Service Manual

2. SERVICE TOOL & EQUIPMENT REQUIRED

1. SIGNAL GEN.

2. MULTIMETER

3. OSCILLOSCOPE

4. SCREW DRIVER

5. IRON

6. ABSORBER

7. SOLDER

8. DUMMY LOAD (5Ω/200W)

3. SPECIFICATIONS

3.1. PRODUCT SPECIFICATIONS

LCD Panel 27" TFT

Power Management Energy Star compliant VESA
DPMS compatible
< 8W

Displayable Resolution SXGA 1280×1024 max.

Pixel Dimension

LCD Display Color 16.7M Color Max. (8bit)

Viewing Angle CR≥20: (H) -88~88; (V) -88~88

Tilt +90°, -1°

Contrast Ratio 900 : 1 (typical)

Brightness 550 cd/m

Response Time Tr: 8 ms (G to G)

Active Display Area 597.12(H)mm×335.88(V)mm

RF Tuner Input level: 0 ~ +15 dB mV
Rang: PAL B/G : 48.25 to 855.25 MHz Off-Air and CATV
PAL D/K : 49.75 to 855.25 MHz Off-Air and CATV
PAL I : 471.25 to 855.25 MHz Off-Air and CATV
SECAM L : 55.75 to 791.25MHz Off-Air and CATV
PAL / SECAM : 48.25MHz scanning to 855.25MHz

Power Voltage: 100~240 V
Consumption: 180 Watts(MAX)

Speaker 5W×2

0.1555x3 (H) x 0.4665 (V) mm

2

(center ).

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N2750W(E) Service Manual

3.2. FACTORY PRESET MODE TIMING CHART

ITEM 1 2 3 4

TIMING 640×480 60HZ 640×480 67HZ 640×480 75HZ 800×600 56HZ

Pixel Rate 25.175MHZ 30.240MHZ 31.500MHZ 36.000MHZ

H TOTAL 31.778us 28.571us 26.667us 28.444us

H DISPLAY 25.422us 21.164us 20.317us 22.222us

H B-Porch 1.907us 3.175us 3.810us 3.556us

H Width 3.813us 2.116us 2.032us 2.000us

H Border 0.318us 0.000us 0.000us 0.000us

V TOTAL 16.683ms 15.000ms 13.334ms 17.778ms

V DISPLAY 15.253ms 13.714ms 12.800ms 17.066ms

V B-Porch 1.049ms 1.114ms 0.427ms 0.626ms

Vs Width 0.064ms 0.086ms 0.080ms 0.057ms

V Border 0.254ms 0.000ms 0.000ms 0.000ms

H/V Sync -/- -/- -/- +/+

Interlace No. No. No. No.

ITEM 5 6 7 8

TIMING 800×600 60HZ 800×600 72HZ 800×600 75HZ

Pixel Rate 40.000MHZ 50.000MHZ 49.500MHZ 57.280MHZ

H TOTAL 26.400us 20.800us 21.333us 20.111us

H DISPLAY 20.000us 16.000us 16.162us 14.525us

H B-Porch 2.200us 1.280us 3.232us 3.910us

H Width 3.200us 2.400us 1.616us 1.117us

H Border 0.000us 0.000us 0.000us 0.000us

V TOTAL 16.579ms 13.853ms 13.333ms 13.417ms

V DISPLAY 15.840ms 12.480ms 12.800ms 12.549ms

V B-Porch 0.607ms 0.478ms 0.448ms 0.784ms

Vs Width 0.106ms 0.125ms 0.064ms 0.060ms

V Border 0.000ms 0.000ms 0.000ms 0.00ms

H/V Sync +/+ +/+ +/+ -/-

Interlace No. No. No. No.

832× 624

74.5HZ

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N2750W(E) Service Manual

ITEM 9 10 11 12

TIMING

Pixel Rate 65.000MHZ 75.000MHZ 78.750MHZ 108MHZ

H TOTAL 20.677us 17.707us 16.660us 15.630us

H DISPLAY 15.754us 13.653us 13.003us 11.852us

H B-Porch 2.462us 1.920us 2.235us 2.296us

H Width 2.092us 1.813us 1.219us 1.037us

H Border 0.000us 0.000us 0.000us 0.000us

V TOTAL 16.666ms 14.272ms 13.328ms 16.661ms

V DISPLAY 15.880ms 13.599ms 12.795ms 16.005ms

V B-Porch 0.600ms 0.513ms 0.466ms 0.594ms

Vs Width 0.124ms 0.106ms 0.050ms 0.047ms

V Border 0.000ms 0.000ms 0.000ms 0.00ms

H/V Sync -/- -/- +/+ +/+

Interlace No. No. No. No.

1024× 768 60HZ 1024× 768

70HZ

3.3. D-SUB CONNECTOR

D-SUB 15 PIN CONNECTOR

1024× 768

75HZ

1280 × 1024

60HZ

12345

678910

11 12 13 14 15

SIGNAL LEVEL

CONNECTOR SIGNAL DESCRIPTION

R RED 0.7vp-p(VIDEO)

G GREEN 0.7vp-p(VIDEO)

B BLUE 0.7vp-p(VIDEO)

H H/SYNC TTL positive or negative

V V/SYNC TTL positive or negative

SDA DDC1/2B TTL

SCL DDC1/2B TTL

1.R 6.R_GND 11.NC

2.G 7.G_GND 12.SDA

3.B 8.B_ GND 13.H.SYNC

4.NC 9. +5V 14.V.SYNC

5.GND 10.GND 15.SCL

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4.1. EXPLODED VIEW

N2750W(E) Service Manual

1F01

1F03

1F05

IR PCB ASS'Y

1F06

X4

1F21

X2

1F19

V901

1F11

X3

1F23

X4

1F11

X2

FIG.1

1F20

X2

1F18

1F10

1F17

1F15

1F27

1F29

1F12

X3

1F16

MAIN PCB ASS'Y

1F26

KEYPAD PCB ASS'Y

1F29

X2

1F28

AUDIO PCB ASS'Y

1F38

X2

1F13

X2

1F36

1F12

1F32

POWER PCB ASS'Y

1F12

X4

X6

1F12

1F31

1F33

X2

X4

1F30

X10

FIG.2

5B06

5B01

5B05

5B09

X8

1F21

5B08

X4

5B04

X4

5B02

1F23

X6

X4

5B07

1F11

FIG.1

X2

1F11

X3

1F21

X2

FIG.2

1F22

5B03

X4

1F25

1F25

1F24

X6

2C01

2C05

1F39

NOTE.1

X3

2C03

1F14

X3

1F25

2C04

1F25

1F25

1F25

1F25

1F25

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N2750w-1E

2C06

X2

N2750W(E) Service Manual

4.2. EXPLODED VIEW PARTS LIST

Ref. No. Source Part No. DESCRIPTION SPECIFICATION Q‘TY REMARK

1F01 2024268001 FRONT BEZEL JC278UB BLACK&7604B N2750W-E 1
1F03 2033150600 IR COVER JC278UB PC LIMPID 476C 1
1F05 2044266901 FUNCTION KEY JC278UB ABS 94V0 AL-PLATE PWR 1
1F06 2084730082 SCREW,BND T+ M3X8(BND T+) 4
1F10 2071971300 METAL FITTG JC278 SECC t=1.0mm FOR PANEL 1
1F11 2080005200 SCREW,SPE M3*3 TYPE I FOR HS PANEL NI 10
1F12 2080003700 SCREW,SPE 1SZZTER001A M3*6LMSWR17/FZMY1 14
1F13 2072050401 METAL FITTG-I/O JC278 SECC T=1.0mm IO MAIN(E) 1
1F14 2083730108 SCREW,BND T+ M3X10,T24,F,NI 3
1F15 2072050501 METAL FITTG-I/O JC278 SECC t=1.0mm IO SIDE(E) 1
1F16 2082340102 SCREW,CSK+ SCREW F M4X10 (CSK+) 3
1F17 2027259501 DUST COVER JC278 ABS94HB 7604B IO SIDE(E) 1
1F18 2083730108 SCREW,BND T+ M3X10,T24,F,NI 2
1F19 2071971400 METAL FITTG JC278 SECC t=1.0mm FOR SPK 1
1F20 2083630068 SCREW FMS+ M3X6,M,S-TITE,F,NI 1
1F21 2084730082 SCREW,BND T+ M3X8(BND T+) 8
1F22 2071870300 BRACKET,FIX JC278 Aluminum 1
1F23 2082740122 SCREW,BND+ M4X12 (BND+) 8
1F24 2082340102 SCREW,CSK+ SCREW F M4X10 (CSK+) 6
1F25 2080003700 SCREW,SPE 1SZZTER001A M3*6LMSWR17/FZMY1 8
1F26 2027259001 DUST COVER JC278 ABS 94V0 PS-7604B (KEY) 1
1F27 2044266601 FUNCTION KEY JC278 ABS 94V0 AL-PLATE FUNCTI 1
1F28 2084730082 SCREW,BND T+ M3X8(BND T+) 2
1F29 2080003700 SCREW,SPE 1SZZTER001A M3*6LMSWR17/FZMY1 11
1F30 2071671000 SHIELD PLATE JC278 SECC t=1.0mm 1
1F31 2082340102 SCREW,CSK+ SCREW F M4X10 (CSK+) 10
1F32 2083630068 SCREW FMS+ M3X6,M,S-TITE,F,NI 2
1F33 2080040062 SCREW,SPE M4*8 PMS-3/W 1
1F36 2072459100 INSULATOR PC FR700 180X130 SONY T4000 1
1F38 2071871100 BRACKET,FIX JC278 SECC T=0.8mm FOR SWITCH 1
1F39 2080003700 SCREW,SPE 1SZZTER001A M3*6LMSWR17/FZMY1 3
2C01 2022262601 CABI BACK JC278 ABS 94V0 PS-7604B 1
2C03 2027259201 DUST COVER JC278 ABS 94HB 7604B (B/C-1) 1
2C04 2027259301 DUST COVER JC278 ABS 94HB 7604B(B/C-2) 1
2C05 2027259101 DUST COVER JC278 ABS 94HB 7604B(HINGE) 1
2C06 2082740122 SCREW,BND+ M4X12 (BND+) 2
5B01 2071871700 BRACKET,FIX JC278UB ALUMINUM PS-7604B ARM 1
5B02 2039802301 FOOT PAD CR 420xφ16.5x5.8 6
5B03 2082750402 SCREW,BND+ M5X40,M,P,ZN-CC 4
5B04 2028258801 STAND JC278UB ABS 94HB PS-7604B 1
5B05 2071871600 BRACKET,FIX JC278UB SECC T=3.0MM STAND 1
5B06 2054256201 ORNAMENT JC278UB BASE PLATE LEFT 1
5B07 2054256301 ORNAMENT JC278UB BASE PLATE RIGHT 1
5B08 2082340102 SCREW,CSK+ SCREW F M4X10 (CSK+) 4
5B09 2084740102 SCREW,BND T+ M4X10(BND T+) 8

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N2750w-1E

K

6

p

5. RECOMMENDED SPARE PARTS LIST (N2750w-1 for "E-Model")

ViewSonic Model Number: VS10576-1M

Rev: 1c

Serial No. Prefix: PRD

Item ECR/ECN ViewSonic P/N Ref.P/N Location Q'ty

1 AC POWER CORD EUROPE PC = 90 1.83M BLACK A-00003407

Accessories:

2 AC POWER CORD UK WALL PC=90 1.83M BLACK A-00003408
3 PCB ASS'Y BLOCK (MAIN) B-00003410

Board Assembly:

4 PCB ASS'Y BLOCK (CON) B-00001787
5 PCB ASS'Y BLOCK (IR) B-00003409
6 CABI BACK JC278 ABS 94V0 PS-7604B (E) C-00003412

Cabinets:

7 DUST COVER JC278 ABS 94HB 7604B(HINGE) C-00003415
8 DUST COVER JC278 ABS 94HB 7604B (B/C-1) C-00003413

9 DUST COVER JC278 ABS 94HB 7604B(B/C-2) C-00003414
10 BEZEL ASS'Y JC278UB BLACK&7604B N2750W-E C-00003411
11

Cables:

12

Documentation:
Electronic

13

Com

onents:

Packing Material:

14 CARTON BOX VIEWSONIC N2750W (E) VS10576 P-00003419
15 POLYFOAM JC278 EPE UP(L) P-00001798
16 POLYFOAM JC278 EPE UP(R) P-00001799
17 POLYFOAM JC278UB EPE DOWN P-00003420
18

Plastics:

Description

I/O CABLE D15/D15 20276(3+6) 1.83M BLAC
OWNER GUIDE N2750W (E) VS10576-1E EUROPE DC-00003418

LCD PANEL V270W1-L03 CMO E-00001795

STAND JC278UB ABS 94HB PS-7604B PL-00003417

A-VC-0101-038

2427130119

2427130128A
6201-7027146371
6202-7027226101
6206-7027146371

2022262601
2027259101
2027259201
2027259301
2603307735
2427501187
2001131329

2212006100
2011127004
2012177500
2012177600
2012180000
2028258801

P951 1
P952 1

2C01 1
2C05 1
2C03 1

2C04 1

1
P961 1
6P80 1

V901 1
6P01 1
6P20 1
6P21 1
6P22 1
5B04 1

Remark 1:
Remark 2:

Above listed items are examples, supplier can expand the rows to add more necessary items.
All revised RSPLs with newly added items or any change made should be highlighted and correlated with the ECN/ECR
approved by ViewSonic Corporation. This is to eliminate repeated cross checks of each item between this version and prior

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N2750w-1E

6. BLOCK DIAGRAM

P102
DVI-D

P101

D-Sub
(RGB)

P100
YPbPr

YCbCr

I119

TV
Tuner

(H,V)
(RGB)

(YPbPr)

I106
24C21A

I104
24C21A

(YCbCr)

I103
74F14

I102

Switch
ADG774

OPTION

(RGB)

N2750W(E) Service Manual

I105

Panellink
Receiver
Sil 161

I101

A/D Converter
MST9883A-140

I2C_SB-0x98

I127

P125

Teletext

I2C_TTX-0x22

I123

Port A/1

Oplus

MONET 203

Port B/2

I129/I131

LVDS
Transmitter
Chip

CPU BLOCK

I110

24LC64 EEPROM

I2C_SB-0xA0

Panel

P112
Y/C

S-Video

P111

CVBS

P113

SCART

1.RGB

2.CVBS in

3.CVBS
out

TV
Tuner-Audio

Audio in 1

Audio in 2

Audio in 3

Audio in 4

Y

(CVBS in)

(CVBS out)
(RGB)
(CVBS Vidoe out)

(SIF)

(CVBS/S-Video)

(YCbCr/YPbPr)

(PC Audio In)

(SCART Audio In)

I124
Switch

ADG729
I2C_2

0x8A

I122

Switch
ADG774

Video Decoder
VPC3230D

I2C_1-0x8E

SCART_OUT

Audio Decoder
MSP 34x0G

I2C_2-0x80

DACM_R/L

SC2_OUT_R/L
SC1_OUT_R/L

BT656

I125/I126

SDRAM
K4S643232C-TC70

TPA6110A2 Audio-PhoneJack

Amplifier
TPA3002D2

I112 I111

4M X 16 SDRAM

I114

Flash Memory
1 MByte

AudioOut_SPKR

Audio - Out

SCART-Audio out

CPU
R2021A

Key
IR
LED
I2C_SB-0x70

RS232

Inverter control
power DE
Bri. Adj.

Power
Control
+12V

I2C Bus

------­I2C_1 - 3V //Bus=0
I2C_2 - 5V //Bus=1
I2C_TTX - 3V //Bus=2
I2C_SB - 3VSB //Bus=3

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N2750w-1E

7. SCHEMATIC DIAGRAM

7.1 DB-15 Input and YPbPr

N2750W(E) Service Manual

YPbPr input

R131

R143

P101

11

GSDA

12

HSYNC

13

VSYNC

14

GSCL

15

DB15

1

R060

2.2K

2

1

R061

2.2K

2

R121

1

75

2

1

75

2

1

75

2

6
1
7
2
8
3
9
4
10
5

P100

4

5

6

RCA JACK

L110
10

L113

10

L115

10

1

2

3

C149

+

47uF

C151
NC

C158

+

47uF

C160
NC

C162

47uF

+

C166
NC

47pF/ESD

R151 33

1 2

R154 33

1 2

-5VA012

12

12

12

C171

R115

75

47pF/ESD

C145

47pF/ESD

C153

C172

NC

C176
NC

VSNC_DDC

L102

1

R105

75

2

L106
00

1

R111

75

2

L108

1

2

R118 6.8K

1

2

1

2

1 2

R144 75

1

R145

10K

2

C170 47pF/ESD

C173 47pF/ESD

1N4148

EDID

24LCS21A

00

C137

00

C144

1 2

1 2

R119 75
R122

10K

R126 6.8K

1 2

1 2

R128 75

R133

10K

R138 6.8K

1 2

D116

C116

NC

NC

MMBT3904

MMBT3904

21

I104

NC

47uF

47uF

MMBT3904
Q103

1

Q104

1

Q105

1

8

VCC

SCLVCLK

SDA

WP

GND

4

C104

47uF

+

C100

47pF/ESD

C124

12

+

C121

47pF/ESD

C141

12

+

C138

47pF/ESD

3
2

1

R124

470

2

3
2

1

R134

470

2

3
2

1

R148

470

2

I103C

5 6

74LCX14

R157
NR

67
5

3

R160
00

12

C147

0.1uF

1 2

R123 68

C155

0.1uF

1 2

R132 68

C164

0.1uF

1 2

R146 68

1

12

2

12

R100 6.8K

1 2

R101

1 2

1

R103

10K

2

R106 6.8K

1 2

R107

1 2

1

R109

10K

2

R112 6.8K

1 2

R113

1 2

1

R116

10K

2

L109 200/2A

+

C148

NC

L111 200/2A

C156

+

NC

L114 200/2A

+

C163

NC

VDDCA

R158

4.7K

100

82

MMBT3904

82

MMBT3904

82

MMBT3904

1 2

1

R159

4.7K

2

1

R161

2

Q100

1

Q101

1

Q102

1

R117

470

5VCC_PC

R

5VCC_PC

G

B

I103A

74LCX14

1

2

1

2

1

2

1N4148

C178

R162

100

3

C102

0.1uF

2

R104
470

3

C123

0.1uF

2

R110

470

3
2

1

2

5VCC_PC

+3V

5VCC_PC

D117

2 1

0.1uF

C181

47pF/ESD

+

10uF(NC)

1 2

R102 68

L103 200/2A

+

10uF(NC)

1 2

R108 68

C139

0.1uF

1 2

R114 68

HD_SEL6

3 4

L116 200/2A

C175

0.1uF

9 8

L100 200/2A

C101

R482 NR

R483 NR

C122

L107 200/2A

+

C140

10uF(NC)

G

B

I103E

11 10

74LCX14

I103F

13 12

74LCX14

I103B

74LCX14

I103D

74LCX14

C179

+

10uF

5V_VDC

1 2

5V_VDC

R484 NR

1 2

HD_Pr

HD_Y

HD_Pb

3VSB

5VCC_PC

C182

47pF/ESD

12

5V_VDC

1 2

R485 NR

R

R152 33

1 2

R155 33

1 2

C177
10pF

C180

0.1uF

CVBS_Y 4

DHTV_Y 4

DHTV_Pb 4

1
2
3
4
5
6
7
8 9

R066 330

C174
10pF

Place in
connector
area

DHTV_Pr 4

I102

IN

VDD
S1A
S1B

S4A

D1

S4B
S2A
S2B

S3A
D2

S3B
GND D3

ADG774

C092 10pF

HSYNC_IN

1

R153

5.1K

2

EN

D4

1

2

DHTV_Y

DHTV_Pb

DHTV_Pr

16
15
14
13
12
11
10

VSY_INT 6

HSY_CHK 6

VSYNC_IN

R156

5.1K

C157

0.1uF

HD_RIN
HD_GIN
HD_BIN

DHTV_Y 4

DHTV_Pb 4

DHTV_Pr 4

PC_DPMS6,7

L112 200/2A

C159
47uF

5VCC_PC

R139
1K

47uF(NC)

R004 2K

R120 00

1

2

R127 00

1 2

1

R129
1K

2

R135 00

1 2

1

C165

2

5VCC

L265 200/2A
L266 200/2A

12

1 2

R125
1K

+

C167NC

A41

1 2

R147 NR

3VCC3

+12VIN

C161 47nF

VA_PLL

L101

C105

0.1uF

R001 100K

1 2

1

R003

2K

2

C142

47uF(NC)

R390 00

1 2

C154

47nF

C168NC

R149
22

Add second source

1

C146

0.1uF

C152

47nF

R130 1K

1 2

1 2

R136 1K

1

1

2

2

3VCC3

C136

0.1uF

200/2A

C106

+

10uF

R002 00

1 2

Q147

3
2

MMBT3904

C143

0.1uF

C150

1nF

R150
22

L105

C047

1000uF

C046

0.1uF

4

4

C048

+

NC(10uF)

VADA

I101

39

27

26

46

45

42

VD

VD

VD

VD

VD

58

REF BYPASS

37

MIDSCV

49

SOGIN

54

RAIN

48

GAIN

43

BAIN

MST9883-140

38

CLAMP

Slave Address : 0X98

30

HSYNC

31

VSYNC

29

COAST

33

FILT

56

SCL

57

SDA

55

A0

GND

GND

GND

1

10

20

21

VAD_D

L104

200/2A

C125

+

10uF

C114

C107

+

10uF

0.1uF

123

865

51

VD

GND

24

7

52

VD

VD

GND

GND

25

C126

0.1uF

VA_PLL

Q146
NDS9435

C050

47uF

VAD_D

11

22

59

VD

VDD

GND

GND

GND

GND

GND

40

36

32

28

44

41

SDA_SB 6
SCL_SB 6

200/2A

C127

0.1uF

C115

0.1uF

23

VDD

GND

47

3VCC3

5VCC_PC

C049

0.1uF

VA_PLL

79

78

69

35

34

PVD

PVD

VDD

VDD

VDD

VDD

GREEN7
GREEN6
GREEN5
GREEN4
GREEN3
GREEN2
GREEN1
GREEN0

VSOUT

HSOUT

DATACK

SOGOUT

A44

70

RED7

A45

71

RED6

A46

72

RED5

A47

73

RED4

A48

74

RED3

A49

75

RED2

A50

76

RED1

A51

77

RED0

RP12 10X4

A52

2

A53

3

A54

4

A55

5

A56

6

A57

7

A58

8

A59

9

RP14 10X4

A60

12

BLUE7

A61

13

BLUE6

A62

14

BLUE5

A63

15

BLUE4

A64

16

BLUE3

A65

17

BLUE2

A66

18

BLUE1

A67

19

BLUE0

64
66
67
65

RP10 10X4

1

2

3

4

5786
1

2

3

4

5786

RP11 10X4

1

2

3

4

5786
1

2

3

4

5786

RP13 10X4

1

2

3

4

5786
1

2

3

4

5786

RP15 10X4

R137 47
R140 47
R141 47
R142 47

D_INA23
D_INA22
D_INA21
D_INA20
D_INA19

D_INA18
D_INA17
D_INA16

D_INA15
D_INA14
D_INA13
D_INA12
D_INA11
D_INA10
D_INA9
D_INA8

D_INA7
D_INA6
D_INA5
D_INA4
D_INA3
D_INA2
D_INA1
D_INA0

1 2
1 2
1 2
1 2

D_INA[0..23]

D_INA[0..23] 3,8

D_VSYNC 3,8
D_HSYNC 3,8
DIN_CLK 3,8
D_CSYNC 8

C169

GND

GND

GNDVDGND

GND

GND

GND

GND

80

68

636261

60

53

50

5VCC_PC

C119

C118
47uF

0.1uF

10pF

C117

100uF

3VCC3

C120

0.1uF

I100

LT1117-3V3

3

2

VI

VO

GND

1

VADA

C128

0.1uF

C129

0.1uF

C130

0.1uF

C131

0.1uF

C132

0.1uF

C133

0.1uF

C134

0.1uF

C135

0.1uF

VAD_D

C103

10uF

C108

0.1uF

C109

0.1uF

+

C110

0.1uF

C111

0.1uF

C112

0.1uF

C113

0.1uF

ViewSonic Corporation

Confidential - Do Not Copy

9

N2750w-1E

7.2 DVI-D Interface

N2750W(E) Service Manual

P102

1

TX2-

2

TX2+

3

TX2/4GND

4

TX4-

5

TX4+

6

DDC_CLK

7

DDC_DATA

8

CRT_Vsync

9

TX1-

10

TX1+

11

TX1/3GND

12

TX3-

13

TX3+

14

+5V/50mA

15

GND

16

HTPLG

17

TX0-

18

TX0+

19

TX0/5GND

20

TX5-

21

TX5+

22

TXC_GND

23

TXC+

24

TXC-

DVI_D_24pin(NP)

5V

DVI_VSNC

R179 NR

HTPLG

1 2

SIL169ST6

DVI_SCL

DVI_SDA

5V

HTPLG

C303

47pF/ESD(NC)

SIL_PD6

+5V_DVI

C304
47pF/ESD(NC)

3V_DVI

C198

NC

GND

R176 NR

1 2

C185

47pF/ESD(NC)

D127

21

1N4148(ND)

DVI_VSNC

RECCLKB

1

2

24LCS21A

D128

2 1

1N4148(ND)

L117 NL

10uF(NC)

L118 NL

C199

10uF(NC)

L120 NL

RX2­RX2+

RX1­RX1+

RX0­RX0+
RXC+
RXC-

3V_DVI

1

RECDATAB

R171
NR

I106

Q107 2N7002(NQ)

1

R172
NR

2

R173

8

NR

67

VCC

SCLVCLK

5

SDA

3

WP

GND

4

R180
NR

5VCC_PC

C188

+

10uF(NC)

1

G

2 3

S D

1

2N7002(NQ)

G

2 3

S D

3V_DVI

SIL16_OUT6

DVI_SCL
DVI_SDA B17

+5V_DVI

C184 NC

1

12

12

1

R174

R175

NR

NR

2

2

C186
47pF/ESD(NC)

C189

NC

Q106

R165

NR

2

R170 NR

SIL16_OUT

R177 NR

1 2
1 2

R178 NR

RECDATAB
RECCLKB

47pF/ESD(NC)

1 2

+3V_VCC

C191

+

+3V_AVC +3VPVCC

C202

+

NC

C192

NC

C203

NC

NC

C193

C204

NC

C194

NC

L119 NL

C065

NC

C200

10uF(NC)

+3V_OVC

C208

10uF(NC)

+

C209

NC

C210

NC

C211

NC

C212

NC

C213

NC

C187

D_INA[0..23]

D_INA[0..23] 2,8

+3V_AVC

R487 NR

1 2

DVI_DET 6

C301
NC

C053

100uF(NC)

3V_DVI

C054

NC

5VCC_PC

C051
47uF(NC)

C052
NC

I158

LT1117-3V3(NI)

3

VI

2

VO

GND

1

C183

+3VPVCC

R163
NR

NR

3V_DVI

1

R166

NR

2

R167 NR

1 2

R169 NR

1 2

NC

SIL16RST6

D_INA1
D_INA2
D_INA3
D_INA4
D_INA5
D_INA6
D_INA7

D_INA8
D_INA9
D_INA10
D_INA11
D_INA12
D_INA13

RP16 NR

1
3
5
7 8
1
3
5
7 8

RP17 NR

RP18 NR

1
3
5
7 8

2
4
6

2
4
6

2
4
6

SIL16_OUT

B8D_INA0
B9
B10
B11
B12
B13
B14
B15

B16
B18

B19

+3V_AVC

1

2
1

R168

100

2

1

RST#

2

PD#

3

SDA

4

PIXS

5

GND

6

VCC

7

STAG_OUT

8

SCDT

9

PDO#

10

QE0

11

QE1

12

QE2

13

QE3

14

QE4

15

QE5

16

QE6

17

QE7

18

OVCC

19

OGND

20

QE8

21

QE9

22

QE10

23

QE11

24

QE12

25

QE13

26272829303132333435363739

R164
NR

SCL

PGND

RESERVED

QE14

QE15

OGND

1

2

PVCC

EXT_RES

OVCC

QE16

AVCC

QE17

RXC-

QE18

RXC+

QE19

AGND

QE20

RX0-

QE21

RX1-

RX1+

RX0+

AVCC

AGND

AGND

QE22

QE23

GND

VCC

HS_DJTR

OCK_INV

38

4041424344454647484950 76

AVCC

CTL3

AGND

OVCC

RX2-

RX2+

AVCC

ODCK

OGNDDEVSYNC

+3V_OVC

7778798081828384858687888990919293949596979899

Q023

OVCC

AGND

OGND

HSYNC

QO0

OGND

QO22
QO21
QO20
QO19
QO18
QO17
QO16

GND

VCC
QO15
QO14
QO13
QO12
QO11
QO10

QO9

QO8
OVCC

QO7

QO6

QO5

QO4

QO3

QO2

QO1

I105

75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51

+3V_VCC

SIL 169(NI)

RP19 NR

1
3

D_INA14

5

D_INA15

7 8

RP20 NR

D_INA16

1

D_INA17

3

D_INA18

5

D_INA19

7 8

D_INA20

1

D_INA21

3

D_INA22

5

D_INA23

7 8

RP21 NR

C201

+

NC

CPU_RXD16
CPU_TXD16

CPU_TXD06
CPU_RXD06

10uF

2
4
6

2
4
6

2
4
6

C195

33VCORE

0.1uF

B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31

Normal

Inverted

+

C197

0.1uF

CP01

R005 NR
R006 NR

3V_DVI

1

R186

NR

2

12

R187

NR

R185
NR

R188

NR

12

HS_DJTR

DI_IV_CK

1

2

Enable

Disable(default)

R007 NR
R008 NR

12
12
12
12

D_HSYNC 2,8
D_VSYNC 2,8
D_ACTIVE 8
DIN_CLK 2,8

C190
10pF(NC)

RS232 DEBUG PORT

RSV+

RSV-

I107

1

C1+
V+
C1-

T1OUT
C2+
C2-

R1OUT
V­T2OUT
R2IN R2OUT

MAX3232

CPU_TXD0
CPU_RXD0

R2IN
T2OUT

VCC
GND

R1IN
T1IN

T2IN

2
3
4
5
6
7
8 9

CPU_RXD1
CPU_TXD1

16
15

I106-14

14
13
12
11
10

1

2

3

4

5

6

7 8

RP47 100X4

TX1
RX1I106-13
TX2
RX2

CP02
47pF

1
6
2
7
3
8
4
9
5

SERVICE

P105

ViewSonic Corporation

Confidential - Do Not Copy

10

N2750w-1E

7.3 VIDEO Input I/F

N2750W(E) Service Manual

I119

FQ-1216MK3

1

NC/AGC

NC/VTout

Vb(+5V)

SCL
SDA

AF-R
AF-L

2ndIFout

CVBSout

VIF(+5V)

AFout

TH1

TH2

TH3

TH4

7815

16

GND_TU GND_TU GND_TU

5V_TU

2
3
4
5
6

AS

9
10
11
12
13
14

GND_TU

TSCLTSCLTSCLTSCLTSCLTSCL
TSDATSDATSDATSDATSDATSDA

C084
1nF

2

R299
3K

1

GND_TU

VFOUT

AFOUT

5V_TU

1

1

R287

R288

NR

NR

2

2

SIF

12

R305
75

GND_TU

L280 NR

L278 00

1 2

L279 NR

1 2

1 2

L281 NR

1 2

L277 00

1 2

GND_TUVGND

DHTV_Y2

DHTV_Pb2

DHTV_Pr2

L149 NL

GND_TU

R291 22

1 2

R292 22

1 2

C280

0.1uF

R306 2.4K

1 2

SIF 10

L135

C281
47uF

C292

10uF
C295
33pF

GND_TU GND_TU

C302
22nF

GND_TU

L250 4.7uH

L251 4.7uH

L252 4.7uH

5V_TU

C340

0.1uF

GND_TU GND_TU

SCL_2 6,10
SDA_2 6,10

200/2A

+

1

2

C299

+

10uF

5V_TU

TVTUNNERTVTUNNERTVTUNNERTVTUNNERTVTUNNERTVTUNNER

TVTUNNERTVTUNNER

R304
NR

1

R307
100K

2

GND_TU

R488 75

1 2

R497 75

1 2

R454 75

1 2

L147 110uH

+ C336

470uF

R260 22

1 2

TUNER_AF 10

S-VIDEO

R489 120

1 2

C217

150pF

VGND VGND

R498 120

1 2

C233

150pF

VGND VGND

1 2

C253

150pF

VGND

C341
47uF

AV-CVBS

P111

2

VGND

RCA JACK

R267 82

1 2

1

R270
10K

2

GND_TU

P112

6 2

S_TERMINAL

VGND VGND

S-Video

C232 220nF

2

R494

C231

150pF

NR

1

VGND

C252 220nF

2

R452

C234

150pF

NR

1

VGND

C260 220nFR456 120

2

C254

R457

150pF

NR

1

VGND VGND

I121

INOUT

GND

MC7805CT

2

1

R261 6.8K

1 2

2

R332

75

1

VGND

81

R338

35

YCbCr-Y

CMPNT_Y 5

YCbCr-Cb

CMPNT_Cb 5

YCbCr-Cr

CMPNT_Cr 5

13

75

C342

0.1uF

VGND

2

1

12VA

2

1

VGND

1

C215
47pF/ESD

VGND

SVDOYIN

VGND

C343
47uF

L139 4.7uH

R311
75

3

Q113

C

B

'E

MMBT3904

2

1

R277

470

2

GND_TU

C216
47pF/ESD

VDV_R5

VDV_G5

C310 47uF

12

+

C311
10pF

VGND VGND

+

GND_TU

GND_TU

C261

0.1uF

R272 68

1 2

R022 68

1 2

For ViewSonic SCART new function

L152 120/2A

L154 120/2A

AV_SW6

VD2_CD_R13

VD2_CD_G13

SCL_26,10

SDA_26,10

CVBS_S_V5

CVBS_SIN5

C350 47uF

+

C357
10pF

C352 47uF

+

C356
10pF

VGND

SC_R5

SC_G5

R393 22

R395 22

CVBS_Y2

C312
47pF/ESD

L127 200/2A

C262

10uF

TVVIDEO2 5

VSC_SRT 5

12

12

1 2

1 2

CVBS_1

R285 22

1 2

1

R295
10K

2

VGND

5V_VDC

S_VIDO_CSVDOCIN

2

1

VGND

S_VIDO_Y

R280

2

10K

1

VGND

I122

AV_SW

1

IN

SC_R
VDV_R

SC_G
VDV_G

VGND VGND

CVBS_Y

CVBS_S_V
CVBS_SIN

VDD

2

S1A

3

S1B

S4A

4

D1

S4B

5

S2A

6

S2B

S3A

7

D2

S3B

8 9

GND D3

ADG774

VGND

R286 6.8K

1 2

R290 82

1 2

C205

100uF

R258 6.8K

1 2

R259 82

1 2

R265
10K

R273 6.8K

1 2

R276 82

1 2

16
15

EN

14
13

ADG_FB

12

D4

SC_B

11
10

VDV_B

1

SCL

2

A1

3

SDA

I124

4

S1A

5

S2A

6

S3A

ADG729

7

S4A

8 9

DA DB

1

L253 10uH

1

1

A0

GND

VDD
S1B
S2B
S3B
S4B

16
15
14
13
12
11
10

B

B

B

C

VGND

C

VGND

C

VGND

3

Q115

'E

MMBT3904

2

1

R298

470

2

3

Q112

'E

MMBT3904

2

1

R268

470

2

3

Q114

'E

MMBT3904

2
1

R282

470

2

VGND

C206
47uF

SC_B 5

5V_VDC

R296 68

MC7805CT

CCD_FB 13

CCD_B 13

L175 200/2A

C438

C437

+

10uF

0.1uF
VGND VGND

L132 200/2A

C273

C272

+

0.1uF
10uF

VGND

VGND

12

I152

CVBS_1

12VA5V_VDC

13

INOUT

C207

GND

2

100uF

C214

0.1uF

L126 200/2A

C259

+

C258

10uF

0.1uF
VGND VGND

1 2

R266 68

SVIDEOC2 5

L129 200/2A

C265

+

C264

10uF

0.1uF

VGND VGND

1 2

R281 68

SVIDEOY2 5

L158 200/2A

C366

ADG_FB 5

VDV_B 5

VGND VGND

47uF

C367

0.1uF

5V_VDC

CVBS_OUT 5

For ViewSonic SCART new function

VSC_SRT 5

R079 00

12

SCART_OUT 5

5V_VDC

5V_VDC

5V_VDC

5V_VDC

ViewSonic Corporation

Confidential - Do Not Copy

11

N2750w-1E

7.4 VPC3230D & SCART_V

N2750W(E) Service Manual

5V_ADPW

C263

100uF

P113

1
2
3
4
5

SCART

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

SCART_B

SCART_G

SCART_R

VGND

C270

47pF/ESD

Video output must be = 75 OHm impedance.

C266

0.1uF

MC7805CT

75

C269

47pF/ESD

C435

47pF/ESD

I154

R364

VGND

2

1

VGND

75

VGND

L167 120/2A

R369

2

R398

75

1

13

INOUT

GND

2

ADG_FB4

VDV_B4

VDV_G4

VDV_R4

C401
NC

L169 120/2A

2

1

VGND VGND

L170 120/2A

2

R373

75

1

VGND

R387 00

1 2

SCART_OUT

C271

47pF/ESD

VGND

L176 120/2A

12VA

C267

100uF

ST-A-O-R 10

SCARTINR 10

ST-A-O-L 10

SCRT_INL 10

C396 47uF

VGND

C408
NC

C415

NC

VGND

R382 100

C439
10pF

VGND

C268

0.1uF

12

+

C404 47uF

C410 47uF

1 2

R064 24K

1 2

C429
10pF

C436

12

+

47uF

SVIDEOC24

SVIDEOY24

L159 4.7uH

L162 4.7uH

L164 4.7uH

C402
47pF/ESD

VGND

12

+

C409
47pF/ESD

VGND

12

+

C416
47pF/ESD

VGND

C424
10pF

2

R065
15K

1

SCART_OUT 4

R392 6.8K

1 2

R396 82

1 2

3

C

B

'E

2

SC_B

1

2

3

C

B

'E

2

3

Q121

C
'E

MMBT3904

2

SC_R

1

R386

470

2

R334 75

C379
150pF

C388
150pF

C398

Q118

0.1uF

MMBT3904

R368

470

VGND

Q120
MMBT3904

SC_G

VGND

R325 75

1 2

1

C369
150pF

2

1

R504

2

VGND

1

R505

NR

2

VGND

L166 200/2A

+ C395

10uF

VGND

SC_B 4

1

R380

470

2

SC_R 4

12

R503
NR

NR

CMPNT_Cb4

CMPNT_Y4
CMPNT_Cr4

SC_G 4

R389 22

1 2

L150 4.7uH

L153 4.7uH

L157 3.3uH

1

R344
150

2

VGND VGND

R347 75

R352 75

R358 75

R343 75

12

R348 120

12

12

12

R366

10K

1 2

C368
150pF

VGND VGND VGND

R353 120

1 2

C378
150pF

VGND VGND

R359 120

1 2

C387
150pF

VGND VGND
R362 6.8K

1 2

R363 82

1 2

1

2

1

VGND

R371 6.8K

1 2

82

R375

1 2

1

1

R379
10K

2

VGND
R381 6.8K

1 2

R383 82

Func_Sel 6

VGND

1

R385
10K

2

1 2

1

B

VGND

5V_VDC

L174 200/2A

C434

3

1

Q123

C

B

MMBT3904

'E

2

1

R399

470

2

+

10uF

VGND

1 2

R397 68

CVBS_S_V 4

VGND

R326 120

1 2

C348
150pF

VGND VGND

C353
150pF

R335 120

1 2

VGND VGND VGND

L156 4.7uH

L160 4.7uH

C370 NC/330pF

C374
NC/270pF

C365

C364
NC

C373

220nF

TVVIDEO24

220nF

CVBS_SIN4

5V_ADPW

C380

220nF

VGND VGND

L254 200/2A

5V_VDC

+3V_VD2

C412

1.5nF

C420

+

10uF

C428

+

10uF

C413

390pF

GND

12

R376 22

1 2

R377 22

12

R378 00

5V_VDC

5V_VDC

C411
220nF

SCL_16,10
SDA_16,10
VD_RST_N6

L171 200/2A

C421

0.1uF

VGND VGND

L172 200/2A

C427

0.1uF

VGND VGND

5V_VDC

2

R388

4.7k

1

R391 100

1 2

3

Q122-B

1

Q122

C

B

MMBT3904

'E

2

C349
150pF

C354
150pF

R341 75

1 2

12

VGND VGND

R350 75

12

C392
47uF

VGND VGND

C4140.1uF

E93
E94
E95

BLNK 6

12

VGND

12

R342 120

C362
150pF

150pF

C389
220nF

C393

10uF

VGND

C423 1.5nF

C425 47nF

5V_ADPW

R461
NR

R464
NR

C363

L161 NL

C371 NC

R354 120

1 2

C375
150pF

VGND

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

C440
47uF

C345

220nF

C351

220nF

C360 220nF

12

R502

NR

VGND

C372 220nF

R506

C376

150pF

NR

VGND

VGND
C391

C390

390pF

1.5nF
C394

+

47nF

80

FB1IN

AISGND

1

B1/CB1IN

2

G1/Y1IN

3

R1/CR1IN

4

B2/CB2IN

5

G2/Y2IN

6

R2/CR2IN

7

ASGF

8

NC

9

VSUPCAP
VSUPD
GNDD
GNDCAP
SCL
SDA
RESQ
TEST
VGAV
YCOEQ
FFIE
FFWE
FFRSTW
FFRE
FFOE
CLK20

GNDPA

VSUPPA

252627282930313233343536373839

C443

0.1uF

12

VIN4

VREF

GNDAI

VSUPAI

VPC3230D

LLC2

LLC1

VSUPLLC

GNDLLCY7Y6Y5Y4

68nF

C430

I151

3

VI

VIN1

VIN2

VIN3

I123

+3V_VD2

GND

1

R327 6.8K

VGND

CIN

VOUT

ISGND

VSUPF

GNDY

VSUPYY3Y2Y1Y0

C426 68nF

LT1117-3V3

2

VO

1 2

1 2

R329 82

1

R330
10K

2

C355

NC

VGND VGND

5V_ADPW

2

12

R038

R346

00

1k

1

1

R351
NR

2

VGND

C382

47nF

VGND

656667686970717273747576777879

VRT

GNDF

I2CSEL

64

ASGF

63

XTAL2

62

XTAL1

61

NC

60

CLK5

59

VSTBY

58

FPDAT

57

VS

56

MSY/HS

55

FSY/HC

54

AVO

53

INTLC

52

VSUPSY

51

GNDSY

50

C0

49

C1

48

C2

47

C3

46

GNDC

45

VSUPC

44

C4

43

C5

42

C6

41

C7

40

+3V_VD2

1 2

R394 00

L177 200/2A

C066
47uF

3

1

Q116

C

B

'E

C358
NC

MMBT3904

2

R331 51

1

R333

470

2

R336 NR

1 2

VGND

1 2

R340 00

C381

+

390pF

10uF

20.25MHz(DIP)
C399

3.3pF

C406

0.1uF

1 2

C383

X102

P126

VGND VGND

R337 NR

C359
NC

C384

1.5nF

12

C400

3.3pF
L256 200/2A

C407
47uF

+3V_VD2

C419
68nF

I2C BUS SLAVE ADDRESS: 0x8E

RP27 00X4
E57
E58
E59
E60

E61
E62
E63
E64

RP28 00X4

C441

47uF

1
3
5
7 8

1
3
5
7 8

2
4
6

2
4
6

+3V_VD2

C442

0.1uF

VD2_Y0
VD2_Y1
VD2_Y2
VD2_Y3

VD2_Y4
VD2_Y5
VD2_Y6
VD2_Y7

+3V_VD2

C346

0.1uF

CVBS_OUT

C361
NC

VGND

C385

220nF

VGND

VD2_Y[0..7]

2

R490

NR

1

1

R491

NR

2

L151 200/2A

C347

+

10uF

L155 NL

12

CCD_V 13

L255 200/2A

C386

47uF

VD2_Y[0..7]

CVBS_OUT 4

5V_ADPW

VB_CLK 8

5V_VDC

SC_R

5V_ADPW

C417

1nF

VD2_Y[0..7] 8

CCD_VS 13
CCD_HS 13

+3V_VD2

C418
47nF

SC_R 4

ViewSonic Corporation

Confidential - Do Not Copy

12

N2750w-1E

7.5 CPU_FLASH_SRAM

N2750W(E) Service Manual

MN_CLK8

CPU_WR_N8

3VSB

C2790.1uF

1 2

R216 4.7K

1 3 5 7

RP48

10Kx4

CP05

0.1uF

5V_SYS

+

C238
47uF

CPU_RD8

C2820.1uF

CPU_DQML
CPU_WE_N
CPU_CAR
CPU_RAR

3VSB

5VCC

8642

C2410.1uF

C2830.1uF

R020 NR
R021 00

FLASHCSS

R508
NR

IR_INT

IR_INT

L121 NL

L122 200/2A

3VSB

R24210k

R24110k

C2360.1uF

C2350.1uF

C2430.1uF

C2420.1uF

R507 NR

C2840.1uF

3VSB

CPU_D0
CPU_D1

CPU_D2
CPU_D3

CPU_D4
CPU_D5

CPU_D6
CPU_D7

DCDA008
CPU_BA0
CPU_BA1
CPU_A10
CPU_A0
CPU_A1
CPU_A2
CPU_A3

R24310k

IR_INT

SSPOKEY
OSD_DEC
OSD_INC
OSD_DN
OSD_UP
OSD_ENR
OSD_MENU

C2370.1uF

3V3CC

C239
47uF

R193
33

C2850.1uF

CPU_TT-1

I112

3VSB

C223
47uF

5VCC

47

R235

R011 100
R012 100
R013 100
R014 100
R015 100
R016 100
R017 100

C2440.1uF

+

I180B

74LCX04

R200 47

C2860.1uF

EXT_A_CS

R204 4.7K

R205 4.7K

1

VDD

2

DQ0

3

VDDQ

4

DQ1

5

DQ2

6

VSSQ

7

DQ3

8

DQ4

9

VDDQ

10

DQ5

11

DQ6

12

VSSQ

13

DQ7

14

VDD

15

DQML

16

WE

17

CAS

18

RAS

19

CS

20

BA0

21

BA1

22

A10

23

A0

24

A1

25

A2

26

A3

27

VDD

SDRAM4MX16

R222 4.7K

C222 470pF

C224

0.1uF

Vol_IR

C227

0.1uF

12

74LCX04

I180A

34

I180C

74LCX04

56

C2870.1uF

3VSB

CPU_D[0..15]

DQ15

VSSQ

DQ14
DQ13

VDDQ

DQ12
DQ11

VSSQ

DQ10

VDDQ

DQMH

54

VSS

DQ9
DQ8

VSS

CLK

CKE

A11

VSS

CPU_D15

53
52

CPU_D14

51

CPU_D13

50
49

CPU_D12

48

CPU_D11

47
46

CPU_D10

45

CPU_D9

44
43

CPU_D8

42
41
40

NC

CPU_DQMH

39

CPUFU0-1

38

DCDA007

37
36

NC

CPU_A20

35

CPU_A9

34

A9

CPU_A8

33

A8

CPU_A7

32

A7

CPU_A6

31

A6

CPU_A5

30

A5

CPU_A4

29

A4

28

R211

4.7K

R509

NR

R212 4.7K

1 2

R217

1 2

00

CPU_A[0..11]

R224 47

BT81

12

F6

R227

R229 22

SDA_SB F4

1K

SCL_SB

R228 22

OSD_MENU
OSD_ENR OSD_DN
OSD_UP

C228
47uF

LED_G
LED_R

11 10

74LCX04

13 12

74LCX04

I113

16

VDD

15

SDA

F5

14

SCL

13

INT

12

P7

11

P6

10

9

GND

Slave Address : 0X70

PCF8574AT

P110

1
2
3
4
5
6
7
8
9
10
11
12
13

OSD CONN

3VSB

C2470.1uF

C2480.1uF

C240
47uF

C2460.1uF

C2450.1uF

+

C2490.1uF

R197 NR

3VSB

1 2

I180E

I180F

1

A0

2

A1

3

A2

4

P0

5

P1

6

P2

7

P3P4P5

8

Q110 MMBT3906

C2500.1uF

R594 150

1 2

R595 NR

1 2

PWR_SW011

RDC_IRQ8

INT1

SSPOKEY

OSD_DEC

OSD_INC

3 2

C 'E

B

1

LED_3

R253

4.7K

C2510.1uF

BL_LTFF11

MN_CS8

3 2

Q111 MMBT3906

R254

4.7K

R194 1K

3VSB

3VSB

JTAG Connector

LED_5

R246 560

LED_6

C 'E

B

R249 470

1

LED_4

5VCC

12

R2301K

15pF

R1981K

3VSB

12

R2321K

R2311K

P124

CON1X2-J(NP)

C218

X101 25MHz

R195 1M

12

12

R2331K

3VSB

3VSB

1
2

15PF

RESETMCU
CPU_X1
CPU_X2
CPUCKKK

CPU_RD
CPU_WR

SD_CLK
CPU_WE_N
CPU_CAR
CPU_RAR
CPU_BA0
CPU_BA1
CPU_DQMH
CPU_DQML

3VSB

PWR_SW0
IO_CS
BL_LTFF

MN_CS

INT0
INT1

VSY_INT2

RDC_IRQ

DVI_DET3

TDI
TCK
TMS
TDO

CPU_TXD13
CPU_RXD13

R2021A_PQ128

CPU_A[0..21]

CPU_A[1..21]

P109

1
2
3
4
5
6
7

CON1X7-M(NP)

BANK_SEL

CPU_A21

I118

3

VI

C256

0.1uF

C219

R199 47

R530 00

R531 NR

R532
1K

LT1117-2.5

VO

GND

1

I111

6

RST_n

2

X1

1

X2

111

CLKOUTA

34

RD_n

36

WR_n/BWSEL

95

UCS_n

74

SD_CLK

81

WE_n/RDCKSEL

80

CAS_n/RdDataClkDis

79

RAS_n

76

BA1/TXC1En

77

BA0/TXC0En

82

DQMH/BYPDLL

83

DQML/DPTEST

30

PCS0_n/PIO14/DTR1_n

31

PCS2_n/IOR_n/PIO25

32

PCS3_n/IOW_n/PIO26

33

PCS5_n/SA16/PIO32

37

MCS_n/PIO4/RD_CLK

11

INT0/SA15

10

INT1/SA17/BHE_n

9

INT2/PIO31/RI1_n

13

DRQ0/INT5/PIO5

12

DRQ1/INT6/PIO6

7

ARDY/PIO3

29

DCD1_n/TDI/PIO30

28

DSR1_n/TCK/PIO29

27

CTS1_n/TMS/PIO8

26

RTS1_n/TDO/PIO7

24

SOUT1/PIO28

23

SIN1/PIO27

CPU_A1
CPU_A3
CPU_A5

CPU_A6
CPU_A7
CPU_A8
CPU_A9
CPU_A10
CPU_A11
CPU_A12
CPU_A13
CPU_A14
CPU_A15
CPU_A16
CPU_A17
CPU_A18
CPU_A19
CPU_A20

3VSB

2

+ C255

3VSB

R196
1K

I109

1

GND

2

RESET

MAX809STR

3VSB

1945647594

120

VDDIO

VDDIO

VDDIO

VDDIO

VDDIO

VDDIO

A19/ALE/SA14/PIO9

A18/SAD7

A17/SAD6

A16/SAD5

A15/SAD4/SO15

A14/SAD3/SO14

A20/MA11

A21/SA13/PIO2

3941424344464748496162636566676869707172505153545657585985868789909192

60

38

CPU_A14

CPU_A15

CPU_A16

CPU_A20

CPU_A18

CPU_A21

CPU_A19

CPU_A17

535557384

VSSIO

VSSIO

VSSIO

A13/SAD2/SO13

A12/SAD1/SO12

A11/SAD0/SO11

A10/MA10/SO10

CPU_A10

CPU_A13

CPU_A12

CPU_A11

VCC

105

VSSIO

VSSIO

VSSIO

A9/MA9/SO9

A8/MA8/SO8

A7/MA7/SO7

CPU_A8

CPU_A7

CPU_A9

3

25Vsb

A6/MA6/SO6

A5/MA5/SO5

A4/MA4/SO4

CPU_A4

CPU_A6

CPU_A5

255288

VDDC

VDDC

VDDC

A3/MA3/SO3

A2/MA2/SO2

A1/MA1/SO1

CPU_A3

CPU_A1

CPU_A2

122

VDDC

A0/MA0/SO0

D15/SI15

CPU_A0

CPU_D15

84078

VSSC

D14/SI14

CPU_D14

C220

0.1uF

10734

VSSC

VSSC

VSSC

RXD0_0/SA11/PIO21/DPRLT4
RXD0_1/SA10/PIO20/DPRLT5

RXD0_2/SA9/PIO19/DPRLT6
RXD0_3/SA8/PIO18/DPRLT7

TXD0_0/SA5/PIO10/DPRLT0
TXD0_2/SA3/PIO11/DPRLT2

D13/SI13

D12/SI12

D11/SI11

CPU_D10

CPU_D12

CPU_D11

CPU_D13

I114

P124-A1

10uF

25

A0

24

A1

23

A2

22

A3

21

A4

20

A5

19

A6

18

A7

8

A8

7

A9

6

A10

5

A11

4

A12

3

A13

2

A14

1

A15

DQ15/A-1

48 47

A16 BYTE#

17

A17

16

A18

9

A19

RESET#

10

A20

13

A21

WP#/ACC

37

VCC

+ C288

10uF

FLASH 4MX16/8MX8/NI

IO_CS

25Vsb

MMBT3904

C257

0.1uF

RY/BY#

DQ10
DQ11
DQ12
DQ13
DQ14

CPU_D0

29

DQ0

CPU_D1CPU_A2

31

DQ1

CPU_D2

33

DQ2

CPU_D3CPU_A4

35

DQ3

CPU_D4

38

DQ4

CPU_D5

40

DQ5

CPU_D6

42

DQ6

CPU_D7

44

DQ7

CPU_D8

30

DQ8

CPU_D9

32

DQ9

CPU_D10

34

CPU_D11

36

CPU_D12

39

CPU_D13

41

CPU_D14

43
45

11

WE#

15
12
28

OE#

26

CE#

14
46

VSS

27

VSS

CPU_D15
DCDA010
CPU_WR_N

RESETMCU
CPU_RD
FLASHCSS

R236

1 2

4.7K
R245

1 2

4.7K

1 2

R247 10K

I116

(PCS2)

1

OR

2

NC7S32M5X

R051

3VSB

4.7K

3

R050

1

Q127

C

B

'E

4.7K

2

1
3

SW-PB JPM1030-08

25Vsb

VSSP1

VDDP1

RXDV0/SA12/PIO17

RXC0/SA7/PIO12

TXC0/SA6/PIO13
TXD0_1/SA4/PIO1/DPRLT1
TXD0_3/SA2/PIO0/DPRLT3

TXEN0/SA1/PIO15

COL0/SA0/PIO16

RXDV1
RXD1_0/DPRLT12
RXD1_1/DPRLT13
RXD1_2/DPRLT14
RXD1_3/DPRLT15

TXC1/PIO34
TXD1_0/FREQ0/DPRLT8
TXD1_1/FREQ1/DPRLT9

TXD1_2/BYPLL/DPRLT10

TXD1_3/ATPGEn/DPRLT11

TXEN1/CLKASEL

COL1/PIO33

MDC/JTAGEN/DPFIN

SIN0/SAD14/PIO35

SOUT0/SAD13/PIO36

RTS0_n/SAD9/PIO37

DTR0_n/SAD12/PIO38

CTS0_n/SAD8/PIO39

DSR0_n/SAD11/PIO22

DCD0_n/SAD15/PIO23

RI0_n/SAD10/PIO24

D10/SI10

D9/SI9

D8/SI8

D7/SI7

D6/SI6

D5/SI5

D4/SI4

D3/SI3

D2/SI2

D1/SI1

CPU_D5

CPU_D7

CPU_D2

CPU_D1

CPU_D3

CPU_D8

CPU_D6

CPU_D9

CPU_D4

CPU_D[0..15]

3VSB

3VSB

IO_WR

4

OUT_ENOUT_ENOUT_EN

S100

ABBA

RXC1

MDIO

D0/SI0

93

CPU_D0

96
97
98
99
100
101
102
103
104
106
108
109
110

114
115
116
117
118
119
121
123
124
125
126
127
128

113
112

14
15
16
17
18
20
21
22

3VSB

CPU_D0
CPU_D1
CPU_D2
CPU_D3
CPU_D4
CPU_D5
CPU_D6
CPU_D7

TXD1_0
TXD1_1

TXD1_3

AMP_STBY 10

BLNK 5

L123 200/2A

I115

3

1D

4

2D

7

3D

8

4D

13

5D

14

6D

17

7D

18

8D

11

CLK

1

OE

74HC374

C2740.1uF

HWFU01

SCL_TTXSCL_TTX

R510 4.7K

3V3CC

R511 4.7K

SDA_TTX

R067 330

R596 4.7K

3V3CC

R597 4.7K

3V3CC

+ C225

10uF

20

2

1Q

5

2Q

VCC

6

3Q

9

4Q

12

5Q

15

6Q

16

7Q

19

8Q

GND

10

CPU_D8
CPU_D9
CPU_D10
CPU_D11
CPU_D12
CPU_D13
CPU_D14
CPU_D15

25Vsb

C2750.1uF

C221 0.1uF

1

NC

2

NC

3

NC

4 5

GND SDA

24LC64

I2C BUS ADDRESS: 0xA0

P107

12

JUMPER(NP)

1

Q139
2N7002

G

2 3

S D

SCL_1
SDA_1

C093 10pF

OUT_EN

C226

0.1uF

VD_RST_N

3V3CC

L124 200/2A

20

I117

3

1Q

1D

4

2Q

2D

VCC

7

3Q

3D

8

4Q

4D

13

5Q

5D

14

6Q

6D

17

7Q

7D

18

8Q

8D

11

CLK

1

OE

GND

74HC374

10

C2760.1uF

I110

VCC

WP

SCL

R215 22

Q140
2N7002

2 3

DCDA002

+ C229

2
5
6
9
12
15
16
19

C2770.1uF

8
7
6

1

G

S D

R223 1K

DCDA001

10uF

TESTLED1
SIL_PDSIL_PDCPU_WR_N

LVDS_PD

SIL16_OUTSIL16_OUTSIL16_OUTSIL16_OUTSIL16_OUTSIL16_OUTSIL16_OUTSIL16_OUTSIL16_OUTSIL16_OUTSIL16_OUT

C2780.1uF

3VSB

R201

3VSB

5.1K

R202 22

R203 22

SDA_SB
SCL_SB

R209 1K

3V3CC

R528 4.7K
R529 4.7K

HSY_CHK 2

1

Q108 2N7002

G

2 3

S D

3V3CC

1

G

2 3

S D

Q109 2N7002

C230

0.1uF

5VCC_PC

3V3CC

TXD1_0
TXD1_3
TXD1_1

D133

VSM15673(ND)

AV_SW

BL_ON 11

PANELPSW 9

PC_DPMS 2,7

SCL_TTX 13

SDA_TTX 13

Func_Sel 5

R598 NR
R599 NR
R533 NR

12

3VSB

R206

1K

5V_SYS

CPU_RXD0 3
CPU_TXD0 3

SIL169ST 3

R225 4.7K

R226 4.7K

MSP_RST 10

3VSB

R252

NR

R256 NR

R257 NR

AV_SW 4

3VSB

R250
NR

R207

1K

R208
1K

R244 1K

3V3CC

9 8

R220 1K
R221 1K

5V_SYS

5V_SYS

R234 1K

R251 NR

R255 NR

I180D

74LCX04

SDA_SB 2
SCL_SB 2

MN_RST 7,8

4.7K

SIL_PD 3

3V3CC
LVDS_PD 9

SIL16_OUT 3

CPU_A[7..0] 8
CPU_D[7..0] 8

3V3CC

R210

12

R214

470

SCL_2 4,10

SDA_2 4,10

VD_RST_N 5

SIL16RST 3

HD_SEL 2

SCL_1 5,10
SDA_1 5,10

R019 00

12

3VSB

ViewSonic Corporation

Confidential - Do Not Copy

13

N2750w-1E

7.6 Memory_SDRAM64Mbit x2

N2750W(E) Service Manual

M_DATA[63..0]8

R400 NR

MEM_A11 N2092-01

MEM_BS18
MEM_BS08

MEM_WE_N8
MEMCASN8
MEMRASN8
MEM_CS_N8
MEM_CLK8

MEMDQMA8
MEMDQMB8

1 2

MEM_BS1
MEM_BS0

MEM_WE_N
MEMCASN
MEMRASN
MEM_CS_N
MEM_CLK

MEMDQMA
MEMDQMB

3VSCALER

MEM_DQ[63..0]

MEM_DQ[63..0]

MEM_DQ0
MEM_DQ1
MEM_DQ2
MEM_DQ3

MEM_DQ4
MEM_DQ5
MEM_DQ6
MEM_DQ7

MEM_DQ16
MEM_DQ17
MEM_DQ18
MEM_DQ19

MEM_DQ20
MEM_DQ21
MEM_DQ22
MEM_DQ23

MEM_A10
MEM_A0
MEM_A1
MEM_A2

MEM_BS0
MEM_BS1

3VSCALER

3VSCALER

1

VDD

2

DQ0

3

VDDQ

4

DQ1

5

DQ2

6

VSSQ

7

DQ3

8

DQ4

9

VDDQ

10

DQ5

11

DQ6

12

VSSQ

13

DQ7

14

NC

15

VDD

16

DQM0

17

WE

18

CAS

19

RAS

20

CS

21

NC

22

BA0

23

BA1

24

A10/AP

25

A0

26

A1

27

A2

28

DQM2

29

VDD

30

NC

31

DQ16

32

VSSQ

33

DQ17

34

DQ18

35

VDDQ

36

DQ19

37

DQ20

38

VSSQ

39

DQ21

40

DQ22

41

VDDQ

42

DQ23

43 44

VDD VSS

K4S643232C-TC70

DQ15

VSSQ

DQ14
DQ13

VDDQ

DQ12
DQ11

VSSQ

DQ10

VDDQ

DQM1

DQM3

DQ31

VDDQ

DQ30
DQ29

VSSQ

DQ28
DQ27

VDDQ

DQ26
DQ25

VSSQ

DQ24

I125

3VSCALER

86

VSS

85
84
83
82
81
80
79
78
77
76

DQ9

75
74

DQ8

73

NC

72

VSS

71
70

NC

69

NC

68

CLK

67

CKE

66

A9

65

A8

64

A7

63

A6

62

A5

61

A4

60

A3

59
58

VSS

57

NC

56
55
54
53
52
51
50
49
48
47
46
45

MEM_DQ15
MEM_DQ14
MEM_DQ13
MEM_DQ12

MEM_DQ10
MEM_DQ9
MEM_DQ8

MEM_A9
MEM_A8
MEM_A7
MEM_A6
MEM_A5
MEM_A4
MEM_A3

MEM_DQ31
MEM_DQ30
MEM_DQ29
MEM_DQ28

MEM_DQ27
MEM_DQ26
MEM_DQ25
MEM_DQ24

MEM_DQ32
MEM_DQ33
MEM_DQ34
MEM_DQ35

MEM_DQ36
MEM_DQ37
MEM_DQ38
MEM_DQ39

MEM_A11

MEM_DQ48
MEM_DQ49
MEM_DQ50
MEM_DQ51

MEM_DQ52
MEM_DQ53
MEM_DQ54
MEM_DQ55

R401 NR
MEM_BS0
MEM_BS1

MEM_A10

MEM_A0

MEM_A1

MEM_A2

1 2

N2092-02

I126_PD
I125_PD

3VSCALER

I126

1

VDD

2

DQ0

3

VDDQ

4

DQ1

5

DQ2

6

VSSQ

7

DQ3

8

DQ4

9

VDDQ

10

DQ5

11

DQ6

12

VSSQ

13

DQ7

14

NC

15

VDD

16

DQM0

17

WE

18

CAS

19

RAS

20

CS

21

NC

22

BA0

23

BA1

24

A10/AP

25

A0

26

A1

27

A2

28

DQM2

29

VDD

30

NC

31

DQ16

32

VSSQ

33

DQ17

34

DQ18

35

VDDQ

36

DQ19

37

DQ20

38

VSSQ

39

DQ21

40

DQ22

41

VDDQ

42

DQ23

43 44

VDD VSS

DQ15

VSSQ

DQ14
DQ13

VDDQ

DQ12
DQ11

VSSQ

DQ10

VDDQ

DQM1

DQM3

DQ31

VDDQ

DQ30
DQ29

VSSQ

DQ28
DQ27

VDDQ

DQ26
DQ25

VSSQ

DQ24

86

VSS

85
84
83
82
81
80
79
78
77
76

DQ9

75
74

DQ8

73

NC

72

VSS

71
70

NC

69

NC

68

CLK

67

CKE

66

A9

65

A8

64

A7

63

A6

62

A5

61

A4

60

A3

59
58

VSS

57

NC

56
55
54
53
52
51
50
49
48
47
46
45

K4S643232C-TC70

R069 1K

1 2

R070 1K

1 2

MEM_DQ47
MEM_DQ46
MEM_DQ45
MEM_DQ44

MEM_DQ43MEM_DQ11
MEM_DQ42
MEM_DQ41
MEM_DQ40

I126_PDI125_PD
MEM_A9
MEM_A8
MEM_A7
MEM_A6
MEM_A5
MEM_A4
MEM_A3

MEM_DQ63
MEM_DQ62
MEM_DQ61
MEM_DQ60

MEM_DQ59
MEM_DQ58
MEM_DQ57
MEM_DQ56

MN_RST 6,8

MEM_A[11..0]8

MEM_A0
MEM_A1
MEM_A2
MEM_A3
MEM_A4
MEM_A5
MEM_A6
MEM_A7
MEM_A8
MEM_A9
MEM_A10
MEM_A11

3VSCALER

1

R402
150

2

MEM_CLK

1

R403
150

2

+

C444

47uF

3VSCALER

+

C457

47uF

C445

0.01uF

C458

0.01uF

C446

0.01uF

C459

0.01uF

C447

0.01uF

C460

0.01uF

C448

0.01uF

C461

0.01uF

C449

0.01uF

C462

0.01uF

C450

0.01uF

C463

0.01uF

C451

0.01uF

C464

0.01uF

5V_PREA

C289

100uF

C452

0.01uF

C465

0.01uF

L257 200/2A

C453

0.01uF

C466

0.01uF

C290
47uF

C455

0.01uF

C468

0.01uF

I153

MC7805CT

C456

0.01uF

C469

0.01uF

R040 2K

PC_DPMS2,6

12

5VCC 3VSB

C082
47uF

C080

100uF

L270 200/2A

C081

0.01uF

C083

0.01uF

12

R042
47K

R043 100

3

1

C

B

Q150

'E

12

R041

MMBT3904

2

12

Q151

123

NDS9435

4

4

7

865

2K

L271

NL

3VSCALER

12VCC

13

INOUT

GND

2

C291

100uF

C293

0.1uF

ViewSonic Corporation

Confidential - Do Not Copy

14

N2750w-1E

7.7 MN203

N2750W(E) Service Manual

MN_CLK6

MEM_CLK7

3VSCALER

3VSCALER

C482
47uF

OPM_VSYC9,12
OPMHSYNC9,12

OP_M_BLE9,12

C478
47uF

MN_CLK

SIDE B: CPU + PORT B + JTAG

I127B

V4

VB_CLK

W4

VB_DATA0

Y4

VB_DATA1

V5

VB_DATA2

W5

VB_DATA3

Y5

VB_DATA4

V6

VB_DATA5

W6

VB_DATA6

Y6

VB_DATA7

L3

VB_VSYNC_O

L2

VB_HSYNC_O

V11

RESET_N

Y15

TEST

W15

TDO

V15

TDI

V14

TCK

W14

TMS

Y14

TRSTN

18VCORE

T7

VCC3O

T8

VCCK

T10

VCC3O

T9

VCCK

T14

VCC3I

T12

VCCK

T11

VCC3O

T13

VCCK

U12

VCCAP

C476

0.1uF

Monet203

SIDE D: SDRAM

OPLL_CLK

CPU_ADDR0
CPU_ADDR1
CPU_ADDR2
CPU_ADDR3
CPU_ADDR4
CPU_ADDR5
CPU_ADDR6
CPU_ADDR7

CPU_CS_N
CPU_RD_N

CPU_WR_N

CPU_IRQ

CPU_DB0
CPU_DB1
CPU_DB2
CPU_DB3
CPU_DB4
CPU_DB5
CPU_DB6
CPU_DB7

GNDO
GNDO
GNDK
GNDO
GNDO
GNDK

GNDAP

GNDI

GNDO

GNDK
GNDO
GNDK

GND0

GND

R404
00

U13

V7
W7
Y7
V8
W8
Y8
V9
W9

Y10
W10
V10
Y9

W11
Y11
V12
W12
Y12
V13
W13
Y13

V3
U4
N8
U5
N10
N9
U14
U16
M10
L9

M9
L10
N12
N11

1 2

MN_A0
MN_A1
MN_A2
MN_A3
MN_A4
MN_A5
MN_A6 MN_A[7..0]
MN_A7

MN_IRQ

MN_D0
MN_D1
MN_D2
MN_D3
MN_D4
MN_D5
MN_D6
MN_D7

CPU_A[7..0]6

M_DATA[63..0] 7

3VSCALER

R405
NR

1 2

R406
NR

1 2

MN_D[7..0]

MN_CSA 6
CPU_RDA 6
CPU_WRA 6

MN_IRQ 6

MN_A0CPU_A0

CPU_A2 MN_A2
CPU_A3 MN_A3

CPU_A7 MN_A7

MN_A1CPU_A1

MN_A4CPU_A4
MN_A5CPU_A5
MN_A6CPU_A6

MN_A[7..0]

MN_CLK

D_INA[0..23]2,3

D_VSYNC2,3
D_HSYNC2,3

D_CSYNC2
D_ACTIVE3

R407 00

1 2

3VSCALER

DIN_CLK2,3

R408 00

1 2

C470 NC

18VCORE

D_INA0
D_INA1
D_INA2
D_INA3
D_INA4
D_INA5
D_INA6
D_INA7
D_INA8
D_INA9
D_INA10
D_INA11
D_INA12
D_INA13
D_INA14
D_INA15
D_INA16
D_INA17
D_INA18
D_INA19
D_INA20
D_INA21
D_INA22
D_INA23

18VPLL

SIDE A: SDRAM+PORT A

I127A

N1

VA_DATA0

N2

VA_DATA1

N3

VA_DATA2

P1

VA_DATA3

P2

VA_DATA4

P3

VA_DATA5

P4

VA_DATA[6

R1

VA_DATA7

R2

VA_DATA8

R3

VA_DATA9

T1

VA_DATA10

T2

VA_DATA11

T3

VA_DATA12

U1

VA_DATA13

U2

VA_DATA14

U3

VA_DATA15

V1

VA_DATA16

V2

VA_DATA17

W1

VA_DATA18

W2

VA_DATA19

W3

VA_DATA20

Y1

VA_DATA21

Y2

VA_DATA22

Y3

VA_DATA23

L4

VA_VALID

M1

VA_VSYNC

M2

VA_HSYNC

M3

VA_CSYNC

M4

VA_ACTIVE

N4

VA_FIELD

R4

VA_CLK

H4

MPLL_CLK

C2

M_CLK_IN

D3

M_CLK_OUT_A

E3

M_CLK_OUT_B

J4

VCCAP

M5

VCCK

P5

VCC3I

J5

VCCK

K5

VCC3O

H5

VCCK

G5

VCC3O

N5

VCCK

L5

VCC3O

Monet203

M_BS1
M_BS0

M_DQM_B
M_DQM_A

M_WE_N

M_CAS_M

M_RAS_N

M_CS_N

VA_CLAMP

VA_COAST

M_ADDR0
M_ADDR1
M_ADDR2
M_ADDR3
M_ADDR4
M_ADDR5
M_ADDR6
M_ADDR7

M_ADD[8

M_ADDR9
M_ADDR10
M_ADDR11

GNDO
GNDO
GNDO
GNDK
GNDK

GNDK
GNDO
GNDO
GNDK

GNDAP

GNDI
GNDK
GNDO
GNDO

F2
F1

F4
E2

E1
D2

D1
C1

K3
L1

K009

F3

K010

G1

K011

G2

K012

G3

K013

H1

K014

H2

K015

H3

K016

J1

K017

J2

K018

J3

K019

K1

K020

K2

C3
D4
L10
H8
J9

M8
K9
L8
K10
G4
T4
J8
K8
E4

K001
K002

K003
K004

K008
K006
K007
K005

RP31 33X4

2
4
6

RP32 33X4

2
4
6

2
4
6

RP33 33X4

1
3
5
78
1
3
5
78
1
3
5
78

18VPLL

MEM_A0
MEM_A1
MEM_A2
MEM_A3
MEM_A4
MEM_A5
MEM_A6
MEM_A7
MEM_A8
MEM_A9
MEM_A10
MEM_A11

C471

100uF

RP30

RP29

1

2
4
6

33X4

2
4
6

33X4

MEMDQMA 7

3

MEM_BS1 7

5

MEM_BS0 7

78

MEMDQMB 7

1

MEM_CS_N 7

3

MEMCASN 7

5

MEMRASN 7

78

MEM_WE_N 7

MEM_A[11..0] 7

VB_CLK5

VD2_Y[0..7]5

MN_RST6,7

MN_RST

VB_CLK

VD2_Y0
VD2_Y1
VD2_Y2
VD2_Y3
VD2_Y4
VD2_Y5
VD2_Y6
VD2_Y7

3VSCALER

18VCORE

C472

0.1uF

L178
200/2A

C473

0.1uF

C474

100uF

L179

200/2A

C475
47uF

I127D

SIDE C: OUTPUT

I127C

C20

R409 33

1 2
1 2

R410 33
R411 33

1 2

1 2

LT1117-1.8

VO

GND

1

R412 33

1 2

R413 22

C477

3VSCALER

NC

2

C480
47uF

18VCORE

OPMFIELD9,12
OCLKMOUT9,12

I128

3

VI

C479

0.1uF

M20

OP_VSYNC

M19

OP_HSYNC

M18

OP_ENABLE

M17

OP_WINDOW_ACTIVE

L18

OP_FIELD

L17

OP_CLK

18VCORE

N16

VCCK

P16

VCC3O

M16

VCCK

L16

VCC3O

G16

VCC3I

H16 J20

VCCK OP_DATA_A20

K16

VCC3O

J16

VCK

K12

GNDO

T17

GNDO

J13

GNDK

L13

GNDO

L12

GNDO

M13

GNDK

U17

GNDO

V18

GNDO

N13

GNDK

L11

GNDK

K13

GNDO

M12

GNDK

E17

GNDI

C481

0.1uF

OP_DATA_A0
OP_DATA_A1
OP_DATA_A2
OP_DATA_A3
OP_DATA_A4
OP_DATA_A5
OP_DATA_A6
OP_DATA_A7
OP_DATA_A8

OP_DATA_A9
OP_DATA_A10
OP_DATA_A11
OP_DATA_A12
OP_DATA_A13
OP_DATA_A14
OP_DATA_A15
OP_DATA_A16
OP_DATA_A17
OP_DATA_A18
OP_DATA_A19

OP_DATA_A21
OP_DATA_A22
OP_DATA_A23
OP_DATA_A24
OP_DATA_A25
OP_DATA_A26
OP_DATA_A27
OP_DATA_A28
OP_DATA_A29
OP_DATA_B30
OP_DATA_B31
OP_DATA_B32
OP_DATA_B33
OP_DATA_B34
OP_DATA_B35
OP_DATA_B36
OP_DATA_B37
OP_DATA_B38
OP_DATA_B39
OP_DATA_B40
OP_DATA_B41
OP_DATA_B42
OP_DATA_B43
OP_DATA_B44
OP_DATA_B45
OP_DATA_B46
OP_DATA_B47
OP_DATA_B48
OP_DATA_B49
OP_DATA_B50
OP_DATA_B51
OP_DATA_B52
OP_DATA_B53
OP_DATA_B54

OP_DATA_B55/OP_DATA_CR0
OP_DATA_B56/OP_DATA_CR1
OP_DATA_B57/OP_DATA_CR2
OP_DATA_B58/OP_DATA_CR3
OP_DATA_B59/OP_DATA_CR4

C19
D20
D19
D18
E20
E19
E18
F20
F19
F18
F17
G20
G19
G18
G17
H20
H19
H18
H17

J19
J18
J17
K20
K19
K18
K17
L20
L19
N20
N19
N18
N17
P20
P19
P18
P17
R20
R19
R18
R17
T20
T19
T18
U20
U19
U18
V20
V19
V17
W20
W19
W18
W17
Y20
Y19
Y18
Y17
Y16

RP34 33X4

K031 OP_M_A0

1

2

K032

3

K033

5

K034

7 8

K035

1

K036

3

K037

5

K038

7 8

RP35 33X4
RP36 33X4

K039

1

K040

3

K041

5

K042

7 8

K043

1

K044

3

K045

5

K046

7 8

RP37 33X4
RP38 33X4

K047

1

K048

3

K049

5

K050

7 8

K051

1

K052

3

K053

5

K054

7 8

RP39 33X4

RP40 33X4(NR)
K055 OP_M_B0
K056
K057
K058
K059
K061 OP_M_B6
K062 OP_M_B7
K060 OP_M_B5

RP41 33X4(NR)

RP42 33X4(NR)
K063
K064
K065
K066
K067
K068
K069
K070

RP43 33X4(NR)

RP44 33X4(NR)
K071
K072
K073
K074
K075
K076
K077
K078

RP45 33X4(NR)

4
6

2
4
6

2
4
6

2
4
6

2
4
6

2
4
6

1
3
5
7 8
1
3
5
7 8

1
3
5
7 8
1
3
5
7 8

1
3
5
7 8
1
3
5
7 8

OP_M_A1
OP_M_A2
OP_M_A3
OP_M_A4
OP_M_A5
OP_M_A6
OP_M_A7

OP_M_A8
OP_M_A9
OP_M_A10
OP_M_A11
OP_M_A12
OP_M_A13
OP_M_A14
OP_M_A15

OP_M_A16
OP_M_A17
OP_M_A18
OP_M_A19
OP_M_A20
OP_M_A21
OP_M_A22
OP_M_A23

2
4
6

2
4
6

2
4
6

2
4
6

2
4
6

2
4
6

OP_M_B1
OP_M_B2
OP_M_B3
OP_M_B4

OP_M_B8
OP_M_B9
OP_M_B10
OP_M_B11
OP_M_B12
OP_M_B13
OP_M_B14
OP_M_B15

OP_M_B16
OP_M_B17
OP_M_B18
OP_M_B19
OP_M_B20
OP_M_B21
OP_M_B22
OP_M_B23

OP_M_A[0..23] 9,12

OP_M_B[0..23] 9

3VSCALER

18VCORE

E14

VCC3O

E9

VCCK

E12

VCCK

E11

VCC3O

E13

VCCK

E7

VCC3I

E10

VCC3O

E8

VCCK

D5

GNDI

D17

GNDO

H12

GNDK

H11

GNDO

J11 A15

GNDO M_DATA48

H13

GNDK

D16

GNDO

C18

GNDO

K11

GND

J12

GNDK

H10

GNDO

J10

GNDO

H9

GNDK

M11

GND

Monet203

18VCORE

C483

0.1uF

C484

0.1uF

C485

0.1uF

C486

0.1uF

C487

0.1uF

C488

0.1uF

C489

0.1uF

C490

0.1uF

C491

0.1uF

C492

0.1uF

C493

0.1uF

C494

0.1uF

C495

0.1uF

C496

0.1uF

C497

0.1uF

C498

0.1uF

C499
47uF

C500

0.1uF

C501

0.1uF

C502

0.1uF

C503

0.1uF

C504

0.1uF

C505

0.1uF

C506

0.1uF

M_DATA0
M_DATA1
M_DATA2
M_DATA3
M_DATA4
M_DATA5
M_DATA6
M_DATA7
M_DATA8

M_DATA9
M_DATA10
M_DATA11
M_DATA12
M_DATA13
M_DATA14
M_DATA15
M_DATA16
M_DATA17
M_DATA18
M_DATA19
M_DATA20
M_DATA21
M_DATA22
M_DATA23
M_DATA24
M_DATA25
M_DATA26
M_DATA27
M_DATA28
M_DATA29
M_DATA30
M_DATA31
M_DATA32
M_DATA33
M_DATA34
M_DATA35
M_DATA36
M_DATA37
M_DATA38
M_DATA39
M_DATA40
M_DATA41
M_DATA42
M_DATA43
M_DATA44
M_DATA45
M_DATA46
M_DATA47

M_DATA49
M_DATA50
M_DATA51
M_DATA52
M_DATA53
M_DATA54
M_DATA55
M_DATA56
M_DATA57
M_DATA58
M_DATA59
M_DATA60
M_DATA61
M_DATA62
M_DATA63

Monet203

C507

0.1uF

C508

0.1uF

A1
B1
A2
B2
A3
B3
A4
B4
C4
A5
B5
C5
A6
B6
C6
D6
A7
B7
C7
D7
A8
B8
C8
D8
A9
B9
C9
D9
A10
B10
C10
D10
A11
B11
C11
D11
A12
B12
C12
D12
A13
B13
C13
D13
A14
B14
C14
D14

B15
C15
D15
A16
B16
C16
A17
B17
C17
A18
B18
A19
B19
A20
B20

C509

0.1uF

M_DATA0
M_DATA1
M_DATA2
M_DATA3
M_DATA4
M_DATA5
M_DATA6
M_DATA7
M_DATA8
M_DATA9
M_DATA10
M_DATA11
M_DATA12
M_DATA13
M_DATA14
M_DATA15
M_DATA16
M_DATA17
M_DATA18
M_DATA19
M_DATA20
M_DATA21
M_DATA22
M_DATA23
M_DATA24
M_DATA25
M_DATA26
M_DATA27
M_DATA28
M_DATA29
M_DATA30
M_DATA31
M_DATA32
M_DATA33
M_DATA34
M_DATA35
M_DATA36
M_DATA37
M_DATA38
M_DATA39
M_DATA40
M_DATA41
M_DATA42
M_DATA43
M_DATA44
M_DATA45
M_DATA46
M_DATA47
M_DATA48
M_DATA49
M_DATA50
M_DATA51
M_DATA52
M_DATA53
M_DATA54
M_DATA55
M_DATA56
M_DATA57
M_DATA58
M_DATA59
M_DATA60
M_DATA61
M_DATA62
M_DATA63

C510

0.1uF

C511

0.1uF

C512

0.1uF

M_DATA[63..0]

C513

0.1uF

CPU_D[7..0]6

C514

0.1uF

MN_CS6 MN_CSA 6
CPU_RD6 CPU_RDA 6

CPU_WR_N6 CPU_WRA 6

MN_IRQ6 RDC_IRQ 6

CPU_D0 MN_D0

CPU_D3 MN_D3
CPU_D4 MN_D4

CPU_D6 MN_D6

C515

0.1uF

MN_D1CPU_D1
MN_D2CPU_D2

MN_D5CPU_D5
MN_D7CPU_D7

MN_D[7..0]

ViewSonic Corporation

Confidential - Do Not Copy

15

N2750w-1E