Seanix SE1908W Manual de usuario

Seanix SE1908W

19” LCD MONITOR

SE1908W

THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT

HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE

ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RE LIABILITY FOR

CHANGES, ERRORS OR OMISSIONS.

SERVICE MANUAL

Seanix SE1908W

Table of Content

Revision List…………………………………………………………………………………………………………. 3

1. Monitor Specifications………………………………………………………………………………………….. 4

2. LCD Monitor Description……………………………………………………………………………………….. 5

3. Operating Instructions………………………………………………………………………………………….. 6

3.1 General Instructions…………………………………………………………………………………………... 6

3.2 Front Panel Control……………………………………………………………………………….…………... 6

3.3 Adjusting the Picture………………………………………………………………………………………….. 7

4. Input/Output Specification……………………………………………………………………………………... 9

4.1 Input Signal Connector……………………………………………………………………………………….. 9

4.2 Power Supply Requirements………………………………………………………………………………… 10

4.3 Factory Preset Display Modes……………………………………………………………………………….. 10

4.4 Panel Specification………………………………………………………………………………………….… 11

4.4.1 General Description………………………………………………………………………………….…... 11

4.4.2 Display Characteristics…………………………………………………………………………………... 11

4.4.3 Optical Characteristics…………………………………………………………………………………… 11

4.4.4 Electrical Characteristics………………………………………………………………………………… 12

5. Block Diagram………………………………………………………………………………………………….… 13

5.1 Software Flowing Chart………………………………………………………………………………….…… 13

5.2 Electrical Block Diagram……………………………………………………………………………………… 15

5.2.1 Main Board………………………………………………………………………………………………... 15

5.2.2 Inverter/Power Board………………………………………………………….…………………………. 16

6. Schematic……………………………………………………………………………………………………….… 17

6.1 Main Board…………………………………………………………………………………………………….. 17

6.2 Adapter Board…………………………………………………………………………………………………. 23

6.3 Inverter Board……………………………………………………………………………………….………… 24

7. PCB Layout………………………………………………………………………………………………………. 26

7.1 Main Board…………………………………………………………………………………………………….. 26

7.2 Adapter Board…………………………………………………………………………………………………. 29

7.3 Inverter Board…………………………………………………………………………………….………….. 32

8. Maintainability……………………………………………………………………………………………………. 35

8.1 Equipments and Tools Requirement………………………………………………………………………… 35

8.2 Trouble Shooting…………………………………………………………………………………………….… 36

8.2.1 Main Board………………………………………………………………………………………………... 36

8.2.2 Inverter/Power Board…………………………………………………………………………………….. 39

9. White-Balance, Luminance adjustment………………………………………………………………….….. 40

10. BOM List………………………………………………………………………………………………………... 42

11. Different Parts List………………………………………………………………………………….................. 56

Seanix SE1908W

Revision List

Version Date Revision History TPV Model Name

A00 Jun-28-06 Initial Release T982KM2NKBSEN

A01 Feb-07-07 Add different parts list in Item 11 T96MM2NKWCSENP

Seanix SE1908W

1. Monitor Specifications

Items Description

Driving system TFT Color LCD

Type M190A1-L01

Size 48.14cm(19.05")

Pixel pitch 0.285mm (H) x 0.285mm (V)

Viewable angle 150˚(H) 130˚(V) (CR≥10)

LCD Panel

Response time 8ms for CMO panel

Sync. Type H/V TTL

15Pin Analog

Input Signal

24Pin Digital

H-Frequency 30kHz – 83kHz

Input

V-Frequency 55-75Hz

ON Mode ≤36W

Power Consumption

OFF Mode ≤1W

Display Color 16.2M

Contrast Ratio 500:1

Dot Clock 135MHz

White Luminance 300cd/m2

Max. Resolution 1440 x 900

Plug & Play VESA DDC2BTM

Power Source 100~240VAC,47~63Hz

Maximum Screen Size Horizontal : 410.4 mm

Vertical: 256.5 mm

Environmental

Conditions

Operating Temp: 5°C to 50°C

Storage Temp: -20°C to 60°C

Operating Humidity: 10% to 85%

Seanix SE1908W

2. LCD Monitor Description

The LCD MONITOR will contain a main board, an inverter board, a key board and an adapter board which house the

flat panel control logic, brightness control logic and DDC.

The Inverter board will drive the backlight of panel and DC-DC conversion.

The Adaptor will provide 12V DC-power to Inverter/Power board.

AC-IN

100V-240V

Flat Panel and

CCFL backlight

Main Board

Key Board

RS232 Connector

For white balance

adjustment in factory

mode

HOST Computer

CCFL Drive.

Video signal, DDC

Monitor Block Diagram

Adapter Board

Inverter board

Seanix SE1908W

3. Operating Instructions

3.1 General Instructions

Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the

monitor. By changing these settings, the picture can be adjusted to your personal preferences.

•The power cord should be connected.

•Connect the video cable from the monitor to the video card.

•Press the power button to turn on the monitor position. The power indicator will light up.

3.2 Front Panel Control

1. Power Key 2. LED

3. MENU/ENTER 4. Luminance

5. Brightness Preset 6 Auto Adjust Key/Exit

Front Panel Control

•Power Button:

Press this button to switch ON/OFF of monitor’s power.

•MENU / ENTER :

Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON or Exit OSD

menu when in Brightness/ Contrast Adjust OSD status.

•Luminance :

Adjust contrast and brightness or function adjust.

*Only adjustable at “STD” mode (see Brightness Preset below)

•Brightness Preset:

Switch between “STD”, “OFFICE” & “VIVID”.

•Auto Adjust button / Exit:

1. When OSD menu is in active status, this button will act as EXIT-KEY (EXIT OSD menu).

2.When OSD menu is in off status, press this button over 2 seconds to activate the Auto Adjustment function.

The Auto Adjustment function is used to set the HPos, VPos, Clock and Focus.

•Power Indicator:

Green—Power On mode.

Red —Off mode.

Seanix SE1908W

3.3 Adjusting The Picture

OSD Table:

Main Menu Item

Main

Icon

Sub Menu

Item

Sub

Icon

Description

Contrast

Contrast from Digital-register.

Luminance

Brightness

Backlight Adjustment

Focus

Adjust Picture Phase to reduce Horizontal-Line noise

Image Setup

Clock

Adjust picture Clock to reduce Vertical-Line noise.

H. Position

Adjust the horizontal position of the picture.

Image Position

V. Position

Adjust the vertical position of the picture.

Warm N/A Recall warm Color Temperature from EEPROM.

Cool N/A Recall cool Color Temperature from EEPROM.

sRGB N/A Recall sRGB Color Temperature from EEPROM.

User / Red

Red Gain from Digital-register.

User / Green

Green Gain Digital-register.

Color Temp.

User / Blue

Blue Gain from Digital-register.

Analog N/A Select input signal from analog source (D-Sub)

Input Select

Digital N/A Select input signal from digital source (DVI)

Seanix SE1908W

H. Position

Adjust the horizontal position of the OSD.

V. Position

Adjust the vertical position of the OSD.

OSD Setup

OSD Timeout

Adjust the OSD timeout.

Language

Language N/A Select the language you like.

Information

Information N/A

Show the resolution, H/V frequency and input port of

current input timing.

Yes N/A

Clear each old status of Auto-configuration and set

the color temperature to Cool.

Reset

No N/A Do not execute reset, return to main menu.

Exit

N/A N/A Exit OSD

Seanix SE1908W

4. Input/Output Specification

4.1 Input Signal Connector

1. D-SUB connector

Pin No. Description Pin No. Description

1. Red Video 9. +5V

2. Green Video 10. Detect Cable

3. Blue Video 11. Ground

4. Ground 12. DDC-Serial Data

5. Ground 13. H-Sync

6. Red Ground 14. V-Sync

7. Green Ground 15. DDC-Serial Clock

8. Blue Ground

15 - Pin Color Display Signal Cable

610

11 15

2. DVI-D connector

Pin No. Description Pin No. Description

1. TMDS data 2－13. TMDS data 3＋

2. TMDS data 2＋14. ＋5V Power

3. TMDS data 2/4 Shield 15. GND (for +5V)

4. TMDS data 4－16. Hot Plug Detect

5. TMDS data 4＋17. TMDS data 0－

6. DDC Clock 18.

TMDS data 0＋

7. DDC Data 19. TMDS data 0/5 Shield

8. NC 20.

TMDS data 5－

9. TMDS data 1－21. TMDS data 5+

10. TMDS data 1＋22. TMDS Clock Shield

11. TMDS data 1/3 Shield 23. TMDS Clock +

12. TMDS data 3－24. TMDS Clock －

24 - Pin Color Display Signal Cable

Seanix SE1908W

4.2 Power Supply Requirement

A/C Line voltage range : 100 V ~ 240 V

A/C Line frequency range : 50 ±3Hz, 60 ±3Hz

Input Current : 1.5A max at 100V; 0.8A max at 240 V

Peak surge current : < 55A peak at 240 VAC and cold starting

Leakage current : < 3.5mA

Power line surge : No advance effects (no loss of information or defect)

with a maximum of 1 half-wave missing per second

Voltage : 5VDC ± 5％; 12VDC± 5％

Current : 1.5Amp (5V) ；2 Amp (12V)

4.3 Factory Preset Display Modes

Standard Resolution Horizontal

Frequency

Vertical

Frequency

Dos-mode 720 x 400 31.47kHz 70.0Hz

640 × 480 31.47kHz 60.0Hz

VGA

640 × 480 37.50kHz 75.0Hz

800 × 600 37.879kHz 60.0Hz

SVGA

800 × 600 46.875kHz 75.0Hz

1024 × 768 48.363kHz 60.0Hz

1024 × 768 56.476kHz 70.0Hz

XGA

1024 × 768 60.021kHz 75.0Hz

1280 × 1024 64.000kHz 60.0Hz

SXGA

1280 × 1024 80.000kHz 75.0Hz

WXGA+ 1440 × 900 55.935kHz 59.8Hz

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