Dell E177FPc User manual

17" LCD Color Monitor Dell E177FPc
1
Service
Service
Service
Horizontal Frequency
30kHzto81kHz
TABLE OF CONTENTS
SAFETY NOTICE
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
Table Of Contents.......…….................……...........…........1
Revision List.…........................………................……......2
ECN History.…........................………................……......3
Important Safety Notice.………….…..................……......4
1.Monitor Specifications..............................………........5
2.LCD Monitor Description…………………………….......6
3.Operation Instructions…………...............……...........7
3.1 General Instructions…………………………………….7
3.2.Control Buttons…………….…..............……...............7
3.3 On Screen Menu/Display (OSD).......….……..........8
3.4 Adjusting the Picture...........…………….........…..10
4.Input/Output Specification............………………......…10
4.1.Input Signal Connector............…………................10
4.2.Factory Preset Display Modes.........................11
4.3.Power Supply Requirements...............................12
4.4.Panel Specification.....………………..................12
4.5.Definition of Pixel.....………………...............……….12
5.Block Diagram…….…...................…………................14
5.1.Monitor Exploded View………………………............14
5.2.Software Flow Chart………..………………....….......24
5.3.Electrical Block Diagram………………..…..….......27
6.Schematic Diagram………..................................….....28
6.1Main Board......………......................................28
6.2 Power Board……..…….……....................................33
7.PCB Layout..……...………….......................................35
7.1.Main Board……………..…........................................35
7.2.Power Board……………........................................37
7.3.Key Board………………….....................................39
8.Maintainability………….......................................40
8.1.Equipments and Tools Requirement..…….…...........40
8.2.Trouble Shooting………………….............................41
9.White-Balance, Luminance adjustment...…………......49
10.ISP Instruction…………….…….................................51
11.Check List……………………………………………...55
12.BOM List………….....................................................58
13.Different Parts List…………..………………………… 93
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
Page PageDescription Description

17" LCD Color Monitor Dell E177FPc
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Revision List
Revision Release Date Revise histor
y
TPV model
A00 May-26-2006 Initial Release T76CM5HKA2DFNP
A01 Jun-28-2006 Add new Model in Item 13
T76CM5HKA2DZNP
T76CM9HKA2DFNCP
T76GM5HKA2DFNP
T76GM5HKA2DZNP
T76GM9HKA2DFNCP
A02 Aug-21-2006 Add new Model in Item 13 T76CM9HKA2DZNCP
T76CM9HMA2DZNCP
T76GM9HMA2DFNCP
A03 Aug-28-2006 Add new Model in Item 13 T76GM9HBA2DFNCP
A04 Sep-11-2006
Add new Model in Item 13 T76AM9HKA2DFNP
T76AM9HKA2DZNP
A05 Sep-15-2006 Add new Model in Item 13 T76SM9HKA2DFNP
T76SM9HKA2DZNP
T76CM9HJA2DRNCP
A06 Sep-21-2006 Add new Model in Item 13 T76GM9HJA2DLNCP
T76GM9HKA2DZNCP
A07 Oct-14-2006 Add new Model in Item 13
T76CM9HMA2DFNCP
T76CM9HMA2DLNCP
T76GM9HBA2DZNCP
T76GM9HMA2DRNCP
T76CM9HMA2DRNCP
A08 Nov-14-2006 Add new Model in Item 12 T76CM9HJA2DLNCP
A09 Nov-14-2006 Add new Model in Item 13
T76CM9HBA2DFNCP
T76GM9HJA2DRNCP
T76GM9HMA2DZNCP
T76SM9HBA2DFNCP
T76SM9HJA2DRNCP
T76SM9HMA2DFNCP
T76SM9HMA2DLNCP
T76SM9HMA2DRNCP
T76SM9HMA2DZNCP
A10 Dec.-08-2006 Add new Model in Item 13 T76SM9HBA2DZNCP
A11 May-14-2007 Add new Model in Item 12 T76AM9HMFDDDN
A12 May-20-2007 Add new Model in Item 13
T76AM9HMFDDGN
T76KM9HKA2DFN
T76KM9HKA2DFNC
T76SM9HMFDDDN
T76SM9HMFDDGN
A13 Jun-17-2007 Add new Model in Item 13 T76KM9HJA2DLNC
T76KM9HMA2DFNC
A14 Dec.-05-2007 Add “ECN History”
A15 Dec.-20--2007
A
dd the CBPC
,
PWPC Version All

17" LCD Color Monitor Dell E177FPc
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ECN History
ECN No. Change Description Service Deposition Cut-in date MSR
ECN-D-EE098
ECR02756
Firmware revision change from
V1C02 to V1C03
Update the Vista FW on VFF
return MFD before 2007-1-1
2006/12/29 A02

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Important Safety Notice
Proper service and repair is important to the safe, reliable operation of allAOC Company Equipment. The service
procedures recommended by AOC and described in this service manual are effective methods of performing
service operations. Some of these service operations require the use of tools specially designed for the purpose.
The special tools should be used when and as recommended.
It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read
in order to minimize the risk of personal injury to service personnel. The possibility exists that improper service
methods may damage the equipment. It is also important to understand that these CAUTIONS and NOTICESARE
NOT EXHAUSTIVE.AOC could not possibly know, evaluate and advise the service trade of all conceivable ways in
which service might be done or of the possible hazardous consequences of each way. Consequently, AOC has not
undertaken any such broad evaluation.Accordingly, a servicer who uses a service procedure or tool which is not
recommended byAOC must first satisfy himself thoroughly that neither his safety nor the safe operation of the
equipment will be jeopardized by the service method selected.
Hereafter throughout this manual, AOC Company will be referred to asAOC.
WARNING
Use of substitute replacement parts, which do not have the same, specified safety characteristics may create
shock, fire, or other hazards.
Under no circumstances should the original design be modified or altered without written permission from Philips.
AOC assumes no liability, express or implied, arising out of any unauthorized modification of design.
Servicer assumes all liability.
FOR PRODUCTS CONTAINING LASER:
DANGER-Invisible laser radiation when open.AVOID DIRECT EXPOSURE TO BEAM.
CAUTION-Use of controls or adjustments or performance of procedures other than those specified herein may
result in hazardous radiation exposure.
CAUTION -The use of optical instruments with this product will increase eye hazard.
TO ENSURE THE CONTINUED RELIABILITY OF THIS PRODUCT, USE ONLY ORIGINAL MANUFACTURER'S
REPLACEMENT PARTS, WHICH ARE LISTED WITH THEIR PART NUMBERS IN THE PARTS LIST SECTION
OF THIS SERVICE MANUAL.
Take care during handling the LCD module with backlight unit
-Must mount the module using mounting holes arranged in four corners.
-Do not press on the panel, edge of the frame strongly or electric shock as this will result in damage to the screen.
-Do not scratch or press on the panel with any sharp objects, such as pencil or pen as this may result in damage to
the panel.
-Protect the module from the ESD as it may damage the electronic circuit (C-MOS).
-Make certain that treatment person’s body is grounded through wristband.
-Do not leave the module in high temperature and in areas of high humidity for a long time.
-Avoid contact with water as it may a short circuit within the module.
-If the surface of panel becomes dirty, please wipe it off with a soft material. (Cleaning with a dirty or rough cloth
may damage the panel.)

17" LCD Color Monitor Dell E177FPc
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1. Monitor Specifications
LCD Panel
Screen type Active matrix - TFT LCD
Size 430mm(17.0")
Pixel pitch 0.264mm(H) x 0.264mm(V)
Response time 8ms(type)
Input
Video R, G, B Analog Interface
Separate Sync H/V TTL
H-Frequency 30kHz – 81kHz
V-Frequency 56 - 76Hz
Display Colors 16.2M Colors
Dot Clock 135MHz(Max)
Max. Resolution 1280 x 1024
Plug & Play VESA DDC
EPA ENERGY STAR®
ON Mode Maximum 40W; Typical 34W
Power Saving <=2W
OFF Mode <=1W
Input Connector D-Sub 15pin
Input Video Signal Analog:0. 7Vp-p(standard)
75 OHM, Positive
Active Display Area Horizontal : 337.92mm
Vertical: 270.336mm
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
Monitor (Stand and Head): 5.2kg
Monitor Flat panel only (VESA Mode): 4.0 kg
Weight with packaging: 6.4 kg

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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.
Monitor Block Diagram
Video signal, DDC
Power board
Flat Panel and
CCFL backlight
Main Board
Keyboard
RS232 Connector
For white balance
adjustment in factory
mode
CCFL Drive.
AC-IN
100-240V 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.
See Accessing the Menu System.
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.
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.
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.
1 Menu selection button
2 Brightness Contrast / Down (-) button
3 Auto-Adjust / Up (+) button
4 Power button On/Off button with indicator

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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:
AutoAdjust 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, 'Auto Adjust' 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 monito
r
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.).

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User Preset 'User Preset': Use the plus and minus buttons to increase or decrease each of the
three colors (R, G, B) independently, in single digit increments, from '0' to '100'.
NOTE: 'Color temperature'is a measure of the 'warmth' of the image colors
(red/green/blue). The two available presets ('Blue' and 'Red') favor blue and red
accordingly. Select each one to see how each range suits your eye; or utilize the
'User Preset' option to customize the color settings to your exact choice.
OSD Settings: Each time the OSD opens, it displays in the same location on the screen. 'OSD
Settings' (horizontal/vertical) provides control over this location.
Horizontal Position - and + buttons move OSD to the left and right.
Vertical Position - and + buttons move OSD down and up.
OSD Hold Time: The OSD stays active for as long as it is in use.
'OSD Hold Time': Sets the length of time the OSD will remain active after the last time
you pressed a button.
Use the - and + buttons to adjust the slider in 5 second increments, from 5 to 60
seconds.
NOTE: Default 'OSD hold time' is 20 seconds.
OSD Lock 'OSD Lock': Controls user access to adjustments. When 'Yes' (+) is selected, no user
adjustments are allowed. All buttons are locked except the menu button.
All buttons can be locked or unlocked press the 'Menu' button for over 15 seconds. to
unlock the OSD 'Menu'.
NOTE: When the OSD is locked, pressing the 'Menu'button will take the user
directly to the 'OSD settings'menu, with 'OSD Lock' preselected on entry. Select
'No'(-) to unlock and allow user access to all applicable settings.

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Language: Language sets the OSD to display in one of five languages (English, Español,
Français, Deutsch, Japanese).
NOTE: The language chosen affects only the language of the OSD. It has no
effect on any software running on the computer.
Factory Reset: 'Factory Reset' returns the settings to the factory preset values for the selected group
of functions. 'Exit' is used to exit out of 'Factory Reset' menu.
For 'All settings', all user adjustable settings are reset at one time except 'Language
settings'.
OSD Warning Messages
A warning message may appear on the screen indicating that the monitor is out of sync.
Cannot Display This Video Mode
Optimum resolution 1280 x1024 60Hz
This means that the monitor cannot synchronize with the signal that it is receiving from the computer. Either the
signal is too high or too low for the monitor to use. See Specifications for the Horizontal and Vertical frequency
ranges addressable by this monitor. Recommended mode is 1280 X 1024 @ 60Hz.
NOTE: The floating 'Dell - self-test Feature Check' dialog will appear on-screen if the monitor cannot sense a
video signal.
Occasionally, no warning message appears, but the screen is blank. This could also indicate that the monitor is not
synchronizing with the computer. See Troubleshooting for more information.

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4. Input/Output Specification
4.1 Input Signal Connector
Pin No. Description Pin No. Description
1. Red Video 9. Computer 5V/3.3V
2. Green Video 10. GND-sync
3. Blue Video 11. GND
4. GND 12. DDC-Serial Data
5. Self-test 13. H-Sync
6. R-Ground 14. V-Sync
7. G-Ground 15. DDC-Serial Clock
8. B-Ground
VGA Connector layout
15
610
11 15
4.2 Factory Preset Display Modes
VESA MODES
Horizontal Vertical
Mode Resolution Total
Nominal
Frequency
+/- 0.5kHz
Sync
Polarit
y
Nominal
Freq.+/- 1Hz
Sync
Polarity
Nominal
Pixel Clock (MHz)
VGA
640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175
640x480@75Hz 840 x 500 37.500 N 75.00 N 31.500
800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000
800x600@75Hz 1056x625 46.875 P 75.000 P 49.500
XGA 1024x768@60Hz 1344x806 48.363 N 60.004 N 65.000
1024x768@75Hz 1312x800 60.023 P 75.029 P 78.750
SXGA
1152x864@75Hz 1600x900 67.500 P 75.000 P 108.00
1280x1024@60Hz 1688x1066 64.000 P 60.000 P 108.00
1280x1024@75Hz 1688x1066 79.976 P 75.025 P 135.00
IBM MODES
Mode Resolution Total
Nominal
Frequency
+/- 0.5kHz
Sync
Polarit
y
Nominal
Freq. +/- 1
Hz
Sync
Polarity
Nominal Pixel
Clock (MHz)
DOS 720x400@70Hz 900 x 449 31.469 N 70.087 P 28.322

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4.3 Power Supply Requirements
A/C Line voltage range 100 V ~ 240 V± 10 %
A/C Line frequency range 50 ±3Hz, 60 ±3Hz
Input Voltage transients 280 voltsAC for 10 sec @40℃
Current 0.6A max. at 100V, 0.35A max. at 240 V
Peak surge current < 60A peak at 240 VAC and cold starting
< 30A peak at 120VAC 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

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4.4 Panel Specification
4.4.1 Display Characteristics
For LM170E01-TLB3 panel
For LM170E01-TLB4 panel
For CLAA170EA07Q Rev.373/3A3 panel

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Optical Characteristics
For LM170E01- TLB3/TLB4 panel

17" LCD Color Monitor Dell E177FPc
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For CLAA170EA07Q Rev.373/3A3 panel

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4.5 Definition Of Pixel Defects
For LM170E01- TLB3/TLB4 panel
Dot Defect
Bright Dot
Dots (sub-pixels), which appeared brightly in the screen when the LCM displayed with dark pattern.
- R, G or B 1 dot --------------------------------- 0 Max
- Adjacent 2 dots -------------------------------- 0 Max
- Total amount of Bright dots -------------------- 0 Max
- Minimum distance of Bright dots --------------- NA
Dark Dot
Dots (sub-pixels) which appeared darkly in the screen when the LCM displayed with bright pattern.
- 1 dot -------------------------------------------- 4 Max
- Adjacent 2 dots -------------------------------- 2 Max
- Total amount of Dark dot ---------------------- 4 Max
- Minimum distance of Dark dots --------------- 15mm
Total amount of Dot Defects -------------------- 5 Max (Combination)
Note) a. Every dot herein means Sub-Pixel (Each Red, Green, or Blue Color)
b. Bright dot
- Red or Blue dots smaller than half size of sub-pixel are not counted as a defect dots.
- Green dots smaller than 1 / 3 size of sub-pixel are not counted as a defect dots.
c. Dark dots smaller than half size of sub-pixel are not counted as a defect dots.
Polarizer Defects
Where,W:Width
L: Length
D: Average diameter =(a+b)/2
a. Extraneous substances, which can be wiped out, like Finger Print, Particles, are not considered as a defect.
b. Defects which are on the Black Matrix (outside of Active Area) are not considered as a defect.

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Foreign Material
Where, W: Width
L: Length
D: Average diameter =(a+b)/2
Line Defect
All kinds of line defects such as vertical, horizontal or cross are not allowed.
Bezel Appearance
Scratches, minor bents, stain, particles on the Bezel frame are not considered as a defect.
others
Issues, which are not defined in these criteria, shall be discussed with both parties, Customer and Supplier, for
better solution.