Seanix SE1908W Manuale utente
Seanix SE1908W
1
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
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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
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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
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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%
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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
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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.
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3.3 Adjusting The Picture
OSD Table:
Main Menu Item
Main
Menu
Icon
Sub Menu
Item
Sub
Menu
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)
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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
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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
15
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
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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
Indice
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