AOC 177Vk User manual

17" LCD Color Monitor AOC177Vk
1
Service
Service
Service
Horizontal Frequency
30-80kHz
TABLEOFCONTENTS
Description Page Description Page
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
1. Monitor Specification.................................………........3
2.LCD Monitor Description…………………………….......4
3. Operation Instruction…………...................…...........5
3.1 General Instructions.....................................…...........5
3.2 Control Button……………………………..……...........5
3.3 Adjusting the Picture...........................…............6
4. Input/Output Specification............……………............7
4.1 Input Signal Connector............…..……................7
4.2 Factory Preset Display Modes.........................8
4.3 Power Supply Requirements…………………………8
5 Panel Specification.....…………………........................9
5.1 Display Characteristics………………………………9
5.2 Optical Characteristics………………………………..9
5.3 Parameter guide line for CCFL Inverter……………..10
6.Block Dia
g
ram…….…................………….........11
6.1 Software Flow Chat…….…..........………….........11
6.2 Electrical Block Diagram………...………...…......12
7. Schematic……………………………………………. 15
7.1 Main Board…………..............................................15
7.2 Power Board....……………....................................20
8. PCB Layout..………….......................................22
8.1 Main Board……………......................................22
8.2 Power Board…......................................................25
8.3 Key Board……………….....................................28
8.4 Audio Board………………………………………….28
9. Maintainability……….......................................29
9.1. Equipments and Tools Requirement.....................29
9.2. Trouble Shooting…………....................................30
10. White-Balance, Luminance adjustment.................35
11.Monitor Exploded View……..……………............36
12. BOM List....……....................................................37
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

17" LCD Color Monitor AOC177Vk
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Revision List
Revision Date Revision History TPV Model
A00 Jan.-17-2008 Initial release T77SRTDBF1ACANE

17" LCD Color Monitor AOC177Vk
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1. Monitor Specifications
General Model number 177Vk
Driving system TFT Color LCD
Viewable Image Size: 432mm diagonal
Pixel pitch 0.264mm(H) x 0.264mm(V)
Video R, G, B Analog interface
Video Digital Interface (only Dual-Input Model)
Separate Sync. H/V TTL
Separate Sync. TMDS (only Dual-Input Model)
Display Color 16.2million Colors
LCD Panel(17")
Dot Clock 135MHz
Horizontal scan range 30 kHz to 80 kHz
Horizontal scan
Size(Maximum) 337.92mm
Vertical scan range 55 Hz to 75 Hz
Vertical scan Size(Maximum) 270.34mm
Optimal preset resolution 1280 x 1024 at 60 Hz
Highest preset resolution 1280 x 1024 at 75 Hz
Highest addressable resolution 1280 x 1024 at 75 Hz
Plug & Play VESA DDC2B
Input Connector D-Sub 15pin
Input Connector DVI-D (only Dual-Input Model)
Input Video Signal Analog: 0.7Vp-p(standard), 75 OHM, Positive
Input Video Signal
DVI-D Digital Interface (TMDS) (only Dual-Input
Model)
Resolution
Power Source 100~240VAC, 47~63Hz
Connector Type 15-pin Mini D-Sub
Signal Cable Type Detachable
Connector Type 24 pin DVI-D (only Dual-Input Model)
Dimensions & Weight:
Height (with base) 383.89 mm
Width 375.45 mm
Depth 209.60 mm
Weight (monitor only) 3.7 kg
Physical Characteristics
Weight (with packaging) 5.5 kg
Temperature:
Operating +5° to +35°
Non-Operating -20° to 60°
Humidity:
Operating 10% to 85% (non-condensing)
Non-Operating 5% to 80% (non-condensing)
Altitude:
Operating 0~3000m (0~10000 ft)
Environmental
Non-Operating 0~5000m (0~15000 ft)
Regulations cULus, FCC, TÜV/GS, CE, ISO13406-2, TCO'03, Windows® XP

17" LCD Color Monitor AOC 177Vk
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2. LCD Monitor Description
The LCD MONITOR will contain a main board, a power board, an audio board and a key board 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 DDC
Monitor Block
Keyboard

17" LCD Color Monitor AOC 177Vk
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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, the power indicator will light up.
3.2 Control Buttons
1 Power Button/Power Indicator 4 Menu / Enter
2 Volume Control 5 Auto Config / Exit
3 Volume Control
3.3 Adjusting the Picture
1. Press the MENU-button to activate the OSD window .
2. Press +or- to navigate through the functions. Once the desired function is highlighted, press the MENU-button to
activate it. If the function selected has a sub-menu, press +or- again to navigate through the sub-menu functions.
Once the desired function is highlighted, press MENU-button to activate it.
3. Press +or- to change the settings of the selected function.
4. To exit and save, select the exit function. If you want to adjust any other function, repeat steps 2-3.

17" LCD Color Monitor AOC 177Vk
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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 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.
Yes N/A
Auto Adjust the H/V Position, Focus and Clock of
picture.
Auto Config
(only Analog-input
Model)
No N/A Do not execute Auto Config, return to main menu.
Analog N/A Select input signal from analog source (D-Sub)
Input Select
(only Dual-Input
Model)
Digital N/A Select input signal from digital source (DVI)
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.
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
4.1.1 D-SUB connector
PIN NO. DESCRIPTION PI N NO. DESCRIPTION
1 Video-Red 9 +5V
2 Video-Green 10 Detect Cable
3 Video-Blue 11 Ground
4 GND 12 DDC-Serial data
5 DDC-Return 13 H-sync
6 GND-R 14 V-sync
7 GND-G 15 DDC-Serial clock
8 GND-B
VGA connector layout
15
610
11 15
4.1.2 DVI-D connector
Pin No.
Signal Name Pin No. Signal Name
1 TMDS Data 2- 13 TMDS Data 3+
2 TMDS Data 2+ 14 +5V Power
3 TMDS Data 2/4 Shield 15 Ground(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 N.C. 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 Factory Preset Display Modes
Standard Resolution Horizontal
Frequency (kHz)
Vertical
Frequency (Hz)
Dos-mode 720 x 400 31.47 70
VGA 640 x 480 31.47 60
VGA 640 x 480 37.5 75
SVGA 800 x 600 37.879 60
SVGA 800 x 600 46.875 75
XGA 1024 x 768 48.363 60
XGA 1024 x 768 56.476 70
XGA 1024 x 768 60.02 75
XGA 1024 x 768 48.78 60
XGA 1024 x 768 60.241 75
SXGA 1280 x 1024 64 60
SXGA 1280 x 1024 80 75

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5 Panel Specification
5.1 Display Characteristics
5.2 Optical Characteristics

17" LCD Color Monitor AOC 177Vk
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5.3 Parameter guide line for CCFL Inverter
1. TFT LCD Module:
2. Back Light Unit: