ViewSonic VS15197 Manuale utente

(VSD241_SD-A245_CDS245_SM Rev. 1a. Aug.2013)

ViewSonic 381 Brea Canyon Road, Walnut, California 91789 USA - (800) 888-8583

Service Manual

ViewSonic VSD241/SD-A245/

Model No. VS15197

Smart Display

CDS245series

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 purpose. 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

Optiquest is a registered trademark of ViewSonic Corporation.

ViewSonic is a registered trademark of ViewSonic Corporation.

All other trademarks used within this document are the property of their respective owners.

Revision History

Revision SM Editing Date ECR Number Description of Changes Editor

1a GG08/13/13 Initial Release. (PE: Joe Yang)Sophia Kao

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ViewSonic Corporation VSD241/SD-A245/CDS245

TABLE OF CONTENT

1. Precaution and Safety Notices....................................................................................3

2. General Specification ...................................................................................................5

3. Opearting Instructions................................................................................................. 11

4. Block Diagram.............................................................................................................. 17

5. Schematic Diagrams.................................................................................................... 18

6. Layout Side View.......................................................................................................... 62

7. Exploded View.............................................................................................................. 67

8. Trouble Shooting.......................................................................................................... 72

9. Assembly And Disassembly........................................................................................87

10. F/W Update................................................................................................................. 111

11. Recommended Spare Parts List...............................................................................137

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ViewSonic Corporation VSD241/SD-A245/CDS245

WARNNING

This service manual is designed for technical repair purpose but not for general

public.

It does not contain warnings or cautions to advise non-technical individuals of

potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by professional

technicians.

Any attempt to service or repair the product or products dealt within this service

manual by anyone else could result in serious injury or death.

1. Precaution and Safety Notices

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ViewSonic Corporation VSD241/SD-A245/CDS245

SAFETY PRECAUTIONS

1. Caution

No modification of any circuit should be attempted. Service work should only be performed after you

are through familiar with all of the following safety checks and servicing guide lines.

2. Safety check

Care should be taken while servicing this LCD display. Because of the dangerous high voltage area in

the external power adapter, do not open the sealed case of adapter.

3. Power supply requirements

The attached external power adaptor with the AC power cord is necessary for the smart monitor.

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ViewSonic Corporation VSD241/SD-A245/CDS245

GENERAL SPECIFICATION

Index of this chapter:

1. Specification

2. Outline

3. Connectors Pin Assignment

4. Timing Table

1. Specification

Item Specification

LCD

Size 23.8"

Resolution 1920 x 1080

Color Depth 16.7M colors ( 6 bit+ A-FRC)

White Luminance 250 cd/m2(typ.)

Contrast Ratio 1000:1 (typ.)

Response time 5 ms (typ.)

Viewing Angle 170 / 160 (Horizontal/Vertical)

Surface Treatment Anti-glare, 3H

System

Operating System Android 4.2.1 Jelly Bean

Processor nVidia Tegra®33 (Quad Core 1.7 GHz)

Memory ROM: 8GB Nand Flash

RAM: 1GB DDR3

WLAN 802.11 b/g/n

Bluetooth BT2.1 + EDR(A2DP, HSP&HFP and HD)

Camera Front: USB 2.0 MP, auto focus

Microphone Internal MIC x1, digital type

Speakers 2W x 2

AC adapter Input: 100~240VAC, 50/60Hz

Output: DC Jack 19V, 3.42A

Power Consumption

On mode: 48W (Typical)

Sleep Mode: 0.55W

Off mode: 0.53W

2. General Specification

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ViewSonic Corporation VSD241/SD-A245/CDS245

Item Specification

I/O ports

3.5mm audio jack

DC jack power charging

SD card slot

HDMI (MHL)

RJ45 LAN

Mini-USB

(External display mode for USB upstream and Touch screen

control and webcam functionality.)

USB (A type)*2 for peripheral

(KB/Mice/Flash drive/external HD- support FAT32 format and

NTFS read)

Micro-USB

OSD Language

Deutsch/ English (U.K.)/ English (U.S.)/ Spanish/ French/

Indonesian/ Italian/ Malay/ Nederland/ Portuguese/

Portuguese ( Brazil)/ Vietnamese/ Russian/ Thai/ TCH/ SCN/

Turkish

Controls Hard keys: , ＜, ,＞,

Dimension

w/o packaging: 610 mm(L), 414mm(H), 75 mm(W)

w/ packaging: 740 mm(L), 535 mm(H), 170 mm(W)

Weight

Gross: 7.2 Kg

Net: 8.9 Kg

Operating condition

Temperature: 0°C ~ 35°C

Humidity: 20% ~ 90% non-condensing

Storage condition

Temperature: -30°C ~ 65°C

Humidity: 5% ~ 90% non-condensing

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2. Outline

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ViewSonic Corporation VSD241/SD-A245/CDS245

3. Connector Pin Assignment

MICRO HDMI connector

Pin Signal

1 Hot Plug Detect

2 NC

3 TMDS data2+

4 TMDS data2 shield

5 TMDS data2-

6 TMDS data1+

7 TMDS data1 shield

8 TMDS data1-

9 TMDS data0+

10 TMDS data0 shield

11 TMDS data0-

12 TMDS clock+

13 TMDS clock shield

14 TMDS clock-

15 CEC

16 DDC/CEC Ground

17 DDC SCL

18 DDC SDA

19 +5V Power

MICRO USB (OTG) connector (type B)

Pin Signal

1 VBUS

2 D-

3 D+

4 ID

5 GND

MICRO SD socket

Pin Signal

1 DAT2

2 DAT3-

3 CMD

4 VDD

5 CLK

6 VSS

7 DAT0

8 DAT1

PIN 1

PIN 2

PIN 19

PIN 18

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ViewSonic Corporation VSD241/SD-A245/CDS245

USB connector (type A)

Pin Signal

1 VBUS

2 D-

3 D+

4 GND

RJ45 connector

Pin Signal

1 TX+

2 TX-

3 RX+

4 NC-

5 NC

6 RX-

7 NC

8 NC

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