Dell E156FPc User manual

Dell E156FPc
1
15” LCD MONITOR
DELL E156FPc
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 OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR
CHANGES, ERRORS OR OMISSIONS.
Service Manual

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Revision List
Revision Release Date Revise history TPV model
T560KCDHK8DLNP
T560KGDHK8DZNP
A00 Aug.-26-2005 Initial Release
T560KGDHK8DENP
A01 Mar.-31-2006 Add” Definition Of Pixel Defects”
A02 April-25-2006
Add” Max Brightness measurement”
on Page42
A03 Mar.-30-2007 Add Mechanical Instruction in item 6

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Table of contents
Table of contents ---------------------------------------------------------------------------------------------------------------- 02
1. Monitor Specifications ------------------------------------------------------------------------------------------------------04
2. LCD Monitor Description -------------------------------------------------------------------------------------------------- 05
3. Operation instructions --------------------------------------------------------------------------------------------------06
3.1 General Instructions ------------------------------------------------------------------------------------------------06
3.2 Control buttons --------------------------------------------------------------------------------------------------------06
3.3 On Screen Menu/Display (OSD) ---------------------------------------------------------------------------------------07
3.4 Adjusting the Picture -----------------------------------------------------------------------------------------------08
4. Input/Output Specification ---------------------------------------------------------------------------------------------------13
4.1 Input Signal Connector --------------------------------------------------------------------------------------------13
4.2 Factory Preset Display Modes ----------------------------------------------------------------------------------------- 13
4.3 Power Supply Requirements ---------------------------------------------------------------------------------------- 14
4.4 Panel Specification ----------------------------------------------------------------------------------------------------- 15
5. Block Diagram ----------------------------------------------------------------------------------------------------------------17
5.1 Monitor Exploded View -----------------------------------------------------------------------------------------------17
5.2 Software Flow Chart ----------------------------------------------------------------------------------------------------18
5.3 Electrical Block Diagram ----------------------------------------------------------------------------------------------20
6. Mechanical Instruction ------------------------------------------------------------------------------------------------------22
7. Schematic Diagram -------------------------------------------------------------------------------------------------------------27
6.1 Main Board ---------------------------------------------------------------------------------------------------------------27
6.2 Power Board ---------------------------------------------------------------------------------------------------------------32
8. Layout ------------------------------------------------------------------------------------------------------------------------ 34
8.1 Main Board ---------------------------------------------------------------------------------------------------------------- 34
8.2 Power Board -------------------------------------------------------------------------------------------------------------- 36
8.3 Key Board ----------------------------------------------------------------------------------------------------------------- 39
9. Maintainability ----------------------------------------------------------------------------------------------------------- 39
9.1 Equipments and Tools Requirement -------------------------------------------------------------------------------- 39
9.2 Trouble Shooting ------------------------------------------------------------------------------------------------------ 40
10. White Balance Adjustment --------------------------------------------------------------------------------------------- 46
11. EDID Content --------------------------------------------------------------------------------------------------------------- 47
12. ISP User Manual --------------------------------------------------------------------------------------------------------- 48
12.1 Connect ISP Writer preparation action ---------------------------------------------------------------------- 48
12.2 To Use ISP Writer ------------------------------------------------------------------------------------------------ 49
12.3 Executing ISP -------------------------------------------------------------------------------------------------------------53
13. Check List ------------------------------------------------------------------------------------------------------------------- 54
14. BOM List -----------------------------------------------------------------------------------------------------------------57
15. Definition Of Pixel Defects--------------------------------------------------------------------------------------------------68
15.1 CLAA150XP01 ----------------------------------------------------------------------------------------------------68
15.2 LM150X08 ----------------------------------------------------------------------------------------------------------70

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1. Monitor Specifications
Screen type Active matrix - TFT LCD
Panel Type LM150X08 -A5N1/TL01 (LPL)
CLAA150XP01 (CPT)
Size 380mm(15.0")
Pixel pitch 0.297mm(H) x 0.297mm(V)
Viewable angle LM150X08 - A5N1/TL014: 65°/65°(H) 45°/55°(V) (typ.) (CR>10)
CLAA150XP01: 70°/70°(H) 60°/65°(V) (typ.) (CR>=10)
LCD Panel
Response time 16ms(type)
Video R, G, B Analog Interface
Separate Sync H/V TTL
H-Frequency 30kHz – 63kHz
Input
V-Frequency 55 - 75Hz
Display Colors LM150X08 -A5N1/TL014: 16M Colors
CLAA150XP01: 16.2M Colors
Dot Clock 80MHz (Max.)
Max. Resolution 1024 x 768
Plug & Play VESA DDC
ON Mode <25W
EPA ENERGY
STAR®OFF Mode <2W
Input Connector D-Sub 15pin
Input Video Signal Analog:0. 7Vp-p(standard)
75 OHM, Positive
Maximum Screen Size Horizontal : 304.1mm
Vertical: 228.1mm
Power Source 100 V ~ 240 V± 10 %VAC, 50 ±3Hz, 60 ±3Hz
Environmental
Considerations
Operating Temp: 5° to 35°C
Operating Humidity: 10% to 80%
Storage Temp.: -20° to 60°C
Weight Weight with packaging: 5.1 kg (14.1 lb)

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2. LCD Monitor Description
The LCD MONITOR will contain a main board, PWPC board, keypad board, which house the flat panel control
logic, brightness control logic and DDC.
The power board will provideAC to DC Inverter voltage to drive the backlight of panel and the main board
chips each voltage.
Video signal, DDC
PWPC board
Flat Panel and
CCFL backlight
Main Board
Keyboard
RS232 Connector
For white balance
adjustment in factory
mode
CCFL Drive.
DC-IN
100-240V
Monitor Block Diagram
HOST Computer

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3. Operation 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
A
MENU
The 'MENU' button is used to open the on-screen display (OSD), select
function icons, exit from menus and sub-menus, and to exit the OSD.
B
Brightness/Contrast Hot Key
Use this button for direct access to the 'Brightness' and 'Contrast' control
menu.
B C -
And + buttons
Use these buttons to adjust (decrease/increase ranges) items in the OSD.
Note: you can activate automatic scroll feature by pressing
and holding either + or - button.
AMenu button BBrightness / Contrast Hotkey and - button
CAuto Adjust and + button DPower On/Off button with LED Indicator

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C
Auto Adjust
Use this button to activate automatic setup and adjustment. The following
dialog will appear on screen as the monitor self-adjusts to the current
input:
Auto Adjust In Progress
Auto Adjustment button allows the monitor to self-adjust to the
incoming video signal.After using 'Auto Adjustment', you can further tune
your monitor by using the 'Pixel Clock' and 'Phase' controls in the OSD.
Note: Auto Adjust will not occur if you press the button while
there are no active video input signals, or attached cables.
D
Power Button & Indicator
The green LED indicates the monitor is on and fully functional. An amber
LED indicates DPMS power save mode.
The Power button turns the monitor on and off.
3.3 On Screen Menu/Display (OSD)
Direct-Access Functions
Function Adjustment Method
Auto adjustment
Use this button to activate automatic setup and adjustment. The
following dialog will appear on screen as the monitor self-adjusts
to the current input:
Auto Adjust In Progress
Auto Adjustment button allows the monitor to self-adjust to
the incoming video signal.After using 'Auto Adjustment', you
can further tune your monitor by using the 'Pixel Clock' and
'Phase' controls in the OSD.
Note: Auto Adjust will not occur if you press the button
while there are no active video input signals, or attached
cables.
Brightness / Contrast
With the menu off, push button to display the 'Brightness'
and 'Contrast' adjustment menu. The 'Brightness' function
adjusts the luminance of the flat panel. Adjust 'Brightness' first,
then adjust 'Contrast' only if further adjustment is necessary."+"
increase 'brightness'; " - "decrease 'brightness'
The 'Contrast' function adjusts the degree of difference between
darkness and lightness on the display screen.
"+" increase the 'contrast'
"-" decrease the 'contrast'

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3.4 Adjusting the Picture
1. With the menu off, push the 'MENU' button to open the OSD system and display the main features menu.
AFunction icons
BMain Menu
CMenu icon
DSub-Menu name
EResolution
2. Push the - and + buttons to move between the function icons.As you move from one icon to another, the
function name is highlighted to reflect the function or group of functions (sub-menus) represented by that
icon. See the table below for a complete list of all the functions available for the monitor.
3. Push the 'MENU' button once to activate the highlighted function; Push -/+ to select the desired parameter,
push menu to enter the slide bar. Then use the - and + buttons, according to the indicators on the menu, to
make your changes.
4. Push the 'Menu' button once to return to the main menu to select another function or push the 'Menu'
button two or three times to exit from the OSD.

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Icon Menu Name
and sub-menus
Description
EXIT This is used to exit out of the 'Main menu'.
Positioning:
Horizontal
Vertical
'Positioning' moves the viewing area around on the monitor screen.
When making changes to either the 'Horizontal' or 'Vertical' settings, no changes will
occur to the size of the viewing area; the image will simply be shifted in response to your
selection/change.
Minimum is '0' (-). Maximum is '100' (+).
Image settings:
Auto Adjust Even though your computer system can recognize your new flat panel monitor on
startup, the 'AutoAdjustment' function will optimize the display settings for use with your
particular setup.
Note: In most cases, 'AutoAdjust' will produce the best image for your
configuration; this function can be directly access via Auto Adjustment
hotkey.
Pixel Clock The 'Phase' and 'Pixel Clock' adjustments allow you to more closely adjust your monitor
to your preference. These settings are accessed through the main OSD menu, by
selecting 'Image Settings'.
Use the - and + buttons to adjust away interference. Minimum: 0 ~ Maximum: 100

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Phase If satisfactory results are not obtained using the 'Phase' adjustment, use the 'Pixel Clock'
adjustment and then use 'Phase' again.
Note: This function may change the width of the display image. Use the
'Horizontal' function of the 'Position' menu to center the display image on the
screen.
Color Settings: 'Color Settings' adjusts the color temperature and saturation.
Normal Preset 'Normal Preset' is selected to obtain the default (factory) color settings.
Blue Preset 'Blue Preset' is selected to obtain a bluish tint. This color setting is typically used for text
based applications (Spreadsheets, Programming, Text Editors etc.).
Red Preset 'Red Preset' is selected to obtain a redder tint. This color setting is typically used for color
intensive applications (Photograph Image Editing, Multimedia, Movies etc.).