Gateway FPD1960 Service Manual

Gateway FPD1960
1
SERVICE MANUAL
19” LCD MONITOR
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 RELIABILITY FOR
CHANGES, ERRORS OR OMISSIONS.
Gateway FPD1960
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Table of Content
Revision List…………………………………………………………………………………………………………. 3
1. Monitor Description…………………………………………………………………………………………….. 4
2. LCD Monitor Description……………………………………………………………………………………….. 5
3. Operating Instructions………………………………………………………………………………………….. 6
3.1 General Instructions…………………………………………………………………………………………... 6
3.2 Control Buttons………………………………………………………………………………………………... 6
3.3 Adjusting the Picture………………………………………………………………………………………….. 7
4. Input/Output Specification……………………………………………………………………………………... 10
4.1 Input Signal Connector……………………………………………………………………………………….. 10
4.2 Factory Preset Display Modes……………………………………………………………………………….. 11
4.3 Panel Specification………………………………………………………………………………………….… 11
4.3.1 Features………………………………………………………………………………….……………….. 11
4.3.2 Display Characteristics…………………………………………………………………………………... 12
4.3.3 Optical Characteristics…………………………………………………………………………………… 12
4.3.4 Parameter Guide Line For CCFL Inverter……………………………………………………………… 13
5. Block Diagram………………………………………………………………………………………………….… 14
5.1 Monitor Exploded View……………………………………………………………………………………….. 14
5.2 Software Flow Chart…………………………………………………………………………………………... 15
5.3 Electrical Block Diagram……………………………………………………………………………………… 17
5.3.1 Main Board………………………………………………………………………………………………... 17
5.3.2 Inverter/Power Board………………………………………………………….…………………………. 18
6. Schematic……………………………………………………………………………………………………….… 19
6.1 Main Board…………………………………………………………………………………………………….. 19
6.2 Power Board…………………………………………………………………………………………………. 24
7. PCB Layout………………………………………………………………………………………………………. 26
7.1 Main Board…………………………………………………………………………………………………….. 26
7.2 Power Board…………………………………………………………………………………………………. 27
7.3 Key Board………………………………………………………………………….………………………… 27
8. Maintainability……………………………………………………………………………………………………. 28
8.1 Equipments and Tools Requirement………………………………………………………………………… 28
8.2 Trouble Shooting…………………………………………………………………………………………….… 29
8.2.1 Main Board………………………………………………………………………………………………... 29
8.2.2 Inverter/Power Board…………………………………………………………………………………….. 32
8.2.3 Keypad Board…………………………………………………………………………………………….. 34
9. White-Balance, Luminance adjustment………………………………………………………………….….. 35
10. EDID Content……………………………………………………………………………………………………. 36
11. BOM LIST………………………………………………………………………………………………………... 37
Gateway FPD1960
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REVISION LIST
Revision Date TPV Model Name Change Description
A00 Nov-30-05 T980KHCHKGGYNP Original Revision
Gateway FPD1960
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1. MONITOR SPECIFICATIONS
Item Description
Driving system TFT Color LCD
Type HSD190ME13
Size 48.0cm(19.0")
Pixel pitch 0.294mm(H) x 0.294mm(V)
Viewable angle 160˚ (H) 150˚ (V) (CR>5)
LCD Panel
Response time (type) 8ms
Sync. Type H/V TTL
15Pin Analog
Input Signal
24Pin Digital
Analog: 30kHz – 83kHz
H-Frequency
Digital: 30kHz-71kHz
Analog: 56Hz-75Hz
Input
V-Frequency
Digital: 56Hz-75Hz
ON Mode: <40W
Power Consumption
OFF Mode: <1W
Analog: 135MHz
Dot Clock
Digital: 108MHz
Contrast Ratio 600:1
White Luminance 250cd/m
2
Max. Resolution 1280 x 1024
Plug & Play VESA DDC2BTM
Power Source 90~264VAC,47~63Hz
Display Color 16.1M colors (6-bits+FRC)
Maximum Screen Size
Horizontal : 376.32mm
Vertical: 301.056mm
Environmental
Considerations
Operating Temp: 10°C to 35°C
Storage Temp: -20°C to 60°C
Operating Humidity: 10% to 90%
Gateway FPD1960
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2. LCD MONITOR DESCRIPTION
The LCD MONITOR will contain a main board, a power board and two keypad boards which house the flat panel
control logic, brightness control logic and DDC.
The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips
each voltage.
HOST Computer
AC-IN
100V-240V
PWPC board
(
Include: adapter, inverter)
Flat Panel and
CCFL backlight
Main Board
RS232 Connector
For white balance
adjustment in factory
mode
CCFL Drive.
Video signal,
Monitor Block Diagram
Keyboard
Keyboard
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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 in the side 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, the power indicator will light up.
3.2 CONTROL BUTTONS
- Power Button:
When pressed, the monitor enters the off mode, and the LED turns blank. Press again to restore normal status.
- Left / Right Button:
The Left/Right Button is used to control the monitor functions. Press to switch functions or adjust settings.
- Auto Adjust Key:
The Auto Adjust Key is used to automatically set the H Position, V Position, Clock and Phase.
- Power Indicator:
Blue — Power On mode.
Orange — Power Saving mode.
Blank —Power Off Mode.
NO. Name
Within OSD
Without OSD
1 Input Back to previous menu Select input signal: Analog or Digital
2
Auto
Select Function or enter Sub menu
Auto configuration
3
/
1.Move the cursor up
2.Increase the value of the selected item
Activate the Brightness menu
4
/
1.Move the cursor down
2.Decrease the value of the selected item
Activate the contrast menu
5 MENU Exit the OSD menu Activate the OSD menu
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6 POWER Power On / Off Power On / Off
3.3 ADJUSTING THE PICTURE
Adjustment steps:
1. Press the MENU-button to activate the OSD window.
2. Press < or > to select the desired function.
3. Press the MENU-button to select the function that you want to adjust.
4. Press < or > to change the settings of the current function.
5. To exit and save, select the exit function, or leave the monitor alone for 10 seconds. If you want to adjust any
other function, repeat steps 2-4.
Main Menu Sub Menu Description
N/A Auto adjustment
Brightness adjustment
Contrast adjustment
Gateway FPD1960
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Gamma adjustment
Moves the display image left
and right.
Moves the display image up
and down.
Adjust picture Clock to reduce
Vertical-Line noise.
Adjust Picture Phase to
reduce Horizontal-Line noise.
Gateway FPD1960
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Customizes the color levels.
Change the language of the
OSD.
Change LED Brightness
modes between Day Mode
and Nite Mode.
Displays screen resolution,
the
current input mode, and
the OSD version.
N/A
Resets the monitor to its
factory settings.
Gateway FPD1960
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4. INPUT/OUTPUT SPECIFICATION
4.1 INPUT SIGANAL CONNECTOR
1. D-SUB connector
PIN NO. DESCRIPTION PI N NO. DESCRIPTION
1. Red Video 9. No Pin!
2. Green Video 10. Ground
3. Blue Video 11. Ground
4. Ground 12. DDC-Serial Data
5. DDC-Return 13. H-Sync
6. Red Ground 14. V-Sync
7. Green Return 15. DDC-Serial Clock
8. Blue Return
Analog Connector
12345
10
12
11
6
13
14
15
2. DVI connector
PIN NO. DESCRIPTION PI N 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. No Connect 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
Digital Connector
GCOCO
9 10 11
TMDS Data 1
+
-
19
SHLD 1/3
SHLD 0/5
1 2 3
TMDS Data 2
+-
SHLD 2/4
4 5
TMDS Data 2
+-
12 13 14
TMDS Data 3
+
-
20 21 22
TMDS Data 5
+
-
15816
NO
CONNECT
HOT PLUG DETECT
+5V
GND
CLOCK
SHLD
23 24
TMDS CLOCK
-+
6 7
CLK
DATA
DDC
TMDS Data 0
18+17
-
Gateway FPD1960
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4.2 FACTORY PRESET DISPLAT MODES
No
Mode
Name and Resolution
Hor. Frequency
(KHz) Vt. Frequency (Hz)
1 VGA 720x400 31.469 70.087
2 VGA 640x480 31.469 59.941
3 VESA 640x480 37.861 72.810
4 VESA 640x480 37.500 75.000
5 VESA 800x600 35.156 56.250
6 VESA 800x600 37.879 60.317
7 VESA 800x600 48.077 72.188
8 VESA 800x600 46.875 75.000
9 VESA 1024x768 48.363 60.004
10 VESA 1024x768 56.476 70.069
11 VESA 1024x768 60.023 75.029
12 VESA 1280x1024 63.980 60.020
13 VESA 1280x1024 79.976 75.025
4.3 PANEL SPECIFICATION
4.3.1 Features
z 19”SXGA TFT LCD panel
z 4 CCFLs Backlight system
z Supported SXGA (V:1024 lines, H:1280 pixels) resolution
z Supported to 75Hz refresh rate
z LCD Timing Controller
z Compatible with RoHS standard
Gateway FPD1960
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4.3.2 Display Characteristics
4.3.3 Optical Characteristics
Gateway FPD1960
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4.3.4 Parameter guide line for CCFL Inverter
1 TFT LCD Module
2 Backlight Units
Gateway FPD1960
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5. BLOCK DIAGRAM
5.1 MONITOR EXPLODED VIEW
NO. Part Name Part Number NO. Part Name Part Number
1 LEFT PLATE 23G3155-915-9A 13 BASE 34G6324-L-B
2 BEZEL 34G6325APC-B 14 BASE PLATE 15G6276-1
3 HOLD BRACKET-L 15G6295-1 15 RUBBER FOOT
4 PANEL 750GLH90E13-21 16 HINGE 37G6045-3
5 METAL COVER 15G6274-1 17 NECK BRACKET 15G6275-1
6 MYLAR 52G6025- 11-930 18 HOLD BRACKET-R 15G6296-1
7 PCB 19 RIGHT PLATE 23G3155-915-10A
8 METAL CASE 15G6273-2 20 POWER BOARD
9 REAR COVER 34G6326-TL-B 21 POWER BUTTON 33G6368-PC-L
10 MYLAR 52G6025- 11-931 22 POWER LENS 33G6371-1-C
11 WIRE CLAMP 33G6366-TL-L 23 KEY PAD 33G6369 TL-L
12 STAND 34G6321-TL-B 24 KEY BOARD
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5.2 SOFTWARE FLOW CHART
1
2
N
Y
5
Y
N
10
Y
N
12
Y
N
7
N
6
4
3
9
14
11
13
Y
N
15
Y
N
16
17
19
Y
N
18
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