Fujitsu FSC B17-1 Manuale utente

FSC B17-1 Service Manual

SERVICE MANUAL

17” LCD Monitor

FSC B17-1

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.

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FSC B17-1 Service Manual

Table of Contents

Table of Contents -----------------------------------------------------------------2

1. MONITOR SPECIFICATIONS ----------------------------------------------------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 --------------------------------------------------6

4. Input/Outpt Specification --------------------------------------------------------8

4.1 Input Signal Connector --------------------------------------------------------8

4.1.1 Analog D-SUB Connector ----------------------------------------------------8

4.2 Factory Preset Display Modes -----------------------------------------------8

4.3 Power Supply Requirements ----------------------------------------------10

4.3.1 Input Requirements ----------------------------------------------------------10

4.3.2 Output Requirements -------------------------------------------------------10

4.4 PANEL SPECIFICATION (Samsung ) -------------------------------------11

4.4.1 Panel Feature ----------------------------------------------------------------11

4.4.2 Display Characteristics --------------------------------------------------11

4.4.3 Optical Characteristics -----------------------------------------------------11

4.4.4 Parameter guide line for CCFL Inverter ------------------------------12

5. Block Diagram --------------------------------------------------------------------13

5.1 Monitor Exploded View ------------------------------------------------------13

5.2 Software Flow Chart -----------------------------------------------------------14

5.3 Electrical Block Diagram -----------------------------------------------------16

5.3.1 Main Board --------------------------------------------------------------------16

5.3.2 Inverter/Power Board ------------------------------------------------------17

6. Schematic ------------------------------------------------------------------------19

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FSC B17-1 Service Manual

6.1 Main Board ----------------------------------------------------------------------19

6.2 Inverter/Power Board --------------------------------------------------------22

6.3 KeyPad Board -----------------------------------------------------------------24

7. PCB Layout -----------------------------------------------------------------------25

7.1 Main Board ---------------------------------------------------------------------25

7.2 Inverter/Power Board --------------------------------------------------------27

7.3 Keypad Board ------------------------------------------------------------------28

8. Maintainability --------------------------------------------------------------------28

8.1 Equirements and Tools Requirements ---------------------------------28

8.2 Trouble Shooting --------------------------------------------------------------29

8.2.1 Main Board --------------------------------------------------------------------29

8.2.2 Power/Inverter Board ------------------------------------------------------32

8.2.3 Key Pad Board ---------------------------------------------------------------34

9. White-Balance, Luminance adjustment --------------------------------35

10. EDIT Content ------------------------------------------------------------------36

11. BOM List --------------------------------------------------------------------------37

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FSC B17-1 Service Manual

1. MONITOR SPECIFICATIONS

Driving system TFT Color LCD

LCD Panel Size 38.1cm(15.0")

Pixel pitch 0.297mm( H )x 0.297mm( V )

Viewable angle 130˚(H) 90˚(V)

Response time (typ.) 25 ms

Video Analog/DVI-D

Input Sync. Type H/V TTL Separate and Composite Sync.

H-Frequency 30kHz – 63kHz

V-Frequency 55-75Hz

Display Colors Over 16 million Colors

Dot Clock 80MHz

Max. Resolution 1024 x 768

Plug & Play VESA DDC2BTM

Power Consumption ON Mode

<35W

OFF Mode

<1W

Maximum Screen Size Horizontal : 12.0”(304.128mm)

Vertical : 9.0”(228.096mm)

Power Source 90~264VAC,47~63Hz

Environmental

Considerations Operating Temp: 5°C to 40°C

Storage Temp.: -5°C to 40°C

Operating Humidity : 10% to 80%

Weight (N. W.) Packaged 4.6Kgs Unit

Unpackaged 6.3Kgs Unit

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FSC B17-1 Service Manual

2. LCD MONITOR DESCRIPTION

The LCD MONITOR will contain an main board, an inverter/power board, keypad board and internal adapter which

house the flat panel control logic, brightness control logic and DDC.

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

The Adapter will provides the 12V DC-power to inverter/power board.

Power board

(

include:ada

ter

inverter

)

Flat Panel and

CCFL backlight

Main Board

Keyboard

RS232 Connector

For white balance

adjustment in

factory mode

HOST Computer

CCFT Drive.

AC-IN

90V-264V Video signal, DDC

Monitor Block Diagram

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FSC B17-1 Service Manual

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, 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:

Green — Power On mode.

orange — Power Saving mode.

Blank —Power Off Mode.

1.Buttons for the OSD menu

(On-Screen-display)

2.Power indicator

3.ON/OFF switch

CONTROL Buttons

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3.3 ADJUSTING THE PICTURE

To set the OSD menu, perform the following steps:

Briefly press the SELCT / MENU button to activate the OSD menu.

The main menu appears on the screen with icons for the setting functions.

The first symbol (Brightness/Contrast) is highlighted.

necessary, press the 6or 5button to mark another icon (e.g. Image adjust).

Press the SELECT/MENU button to select the highlighted icon.

The corresponding setting window (here: Image Adjust) is displayed.

The first symbol (H-Position) is highlighted.

If necessary, press the 6or 5button to mark the desired icon.

Press the SELECT/MENU button to select the highlighted function.

Press the 6or 5button to adjust the value for the selected function.

Press the EXIT/AUTO button to exit the function.

All changes are stored automatically.

Adjusting the brightness and contrast

Calling the Brightness / Contrast setting window.

Brightness Setting the brightness of the display

With this function you change the brightness of the background lighting.

Contrast Setting the contrast of the display

With this function you modify the contrast of bright colour tones.

Black Level Setting the brightness of the display

With this function you modify the contrast of dark colour tones.

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FSC B17-1 Service Manual

Auto Level Setting the brightness of the display

With this function you can automatically set the contrast.

Press the SELECT/MENU button to activate function.

Adjusting size and position

Calling the Image adjust setting window

H-Position Adjusting the horizontal position

With this function you move the picture to the left or to the right.

V-Position Adjusting the vertical position

With this function you move the picture up or down.

Clock Setting synchronisation

With this function you adjust the picture width to eliminate vertical picture

disturbances.

Phase Eliminating picture interference

With this function you fine-tune your monitor to eliminate picture

interference.

Adjusting the volume

Calling the Audio setting window

Volume Setting the volume for playback with the integrated loudspeakers

Mute Switching the loudspeakers off or on

Setting colour temperature and colours

Calling the Colour setting window

Selecting the colour temperature

The "warmth" of the screen colours is set using the colour temperature. The

colour temperature is measured in K (= Kelvin). You can select from 6500 K,

9300 K, Native and Custom Colour.

Native

Custom Colour

= original colour of the LCD display

= setting user-defined colours

In the user-defined setting you can change the colour ratios of the basic colours

(red, green, blue) as required.

Setting display of the OSD menu

Calling the OSD Setup setting window

Language Setting language for the OSD menu

With this function you choose between English (default setting), French,

German, Italian and Spanish as the language for the OSD menu.

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FSC B17-1 Service Manual

OSD

H-Position

Setting the horizontal position of the OSD menu

With this function you move the OSD menu to the left or to the right.

OSD

V-Position

Setting the vertical position of the OSD menu

With this function you move the OSD menu up or down.

OSD

Timeout

Setting the display duration of the OSD menu

With this function you select a value from 10 to 120 seconds.

If the set time expires without a setting being made, the OSD menu is

automatically faded out.

Setting the display format of the OSD menu

With this function you switch the OSD menu from portrait mode to landscape

mode and vice versa.

OSD

Rotation

= the OSD Menu is displayed in portrait mode

= the OSD Menu is displayed in landscape mode

Setting functions in the "Advanced " menu

Calling the Advanced setting window

Input select Selecting input signal

With this function you switch the screen from the analogue to the digital mode

and vice versa.

The condition is that the graphic card used supports this function.

Resolution

Notifier

Displaying monitor data

The optimum resolution for this monitor is 1280 x 1024pixels. With the function

activated (On), a message appears on the screen after approx. 30 seconds if a

different resolution is set.

Change the resolution to 1280 x 1024 to achieve optimum picture quality.

With the function deactivated (Off), no message appears.

Factory Recall Activating the factory settings

With this function all settings are reset to the factory settings without prompting

for confirmation.

The Auto Processing message is displayed.

Displaying information

Calling the Information setting window

With this function the model designation, serial number,

resolution, H/V frequency, input signal and polarity of the

synchronisation signal are displayed.

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FSC B17-1 Service Manual

4. Input/Outpt Specification

4.1 Input Signal Connector

4.1.1 Analog D-SUB Connector

Pin Meaning Pin Meaning

1 Video input red 9 +5 V (DDC)

2 Video input green 10 Sync. ground

3 Video input blue 11 Ground

4 Ground 12 DDC-Data

5 Ground 13 H. sync

6 Red video ground 14 V. sync

7 Green video ground 15 DDC Clock

8 Blue video ground

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