AOC L19W661 Schematic
19’’ LCD TV AOC L19W661
Service
Service
Service
30-56 kHz
TABLE OF CONTENTS
Description Page Description Page
Table Of Contents.......……...................................…........1
Important Safety Notice.......................................……......2
Revision List.…...................................................……......3
1. General Specification..............................………….......4
2. Operating Instructions…………………….…...…….......5
2.1. The Use Of Remote Control…….………….…….......5
2.2. To Use The Menu…...…………………….……….......6
2.3. How To Connect…….…………………….……….....23
2.4. Front Panel Control Knobs……………….……….....24
3. Input/Output Specification…………....................…....25
4. Mechanical Instructions…………………….................28
5. Repair Flow Chart ……………………….…….…….....31
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
SAFETY NOTICE
6. PCB Layout ………………..………………....….......34
6.1.Main Board…………..……………...…….…….......34
6.2.Power Board……………..………….……….….......35
6.3. IR Board………..……………………………….......37
6.4. Key Board……………….……………..……….......37
7. White-Balance, Luminance Adjustment...................38
8. Block Diagram.…….................................................41
9. Schematic……………...…………..……..…………...43
9.1 Main Board…….…………..…………………….......43
9.2.Power Board…………….…………...………….......58
10. Exploded View..…………….............................…..62
11. BOM List……………….……………….…………….64
Horizontal Frequency
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19’’ LCD TV AOC L19W661
Important Safety Notice
Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The servi ce
procedures recommended by AOC and described in this service manual are effective methods of performin g 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 CAUTIO NS 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 NOTICES ARE
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 by AOC 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 as AOC.
WARNING
Use of substitute replacement parts, which do not have the same, specified safety characteristics might create
shock, fire, or other hazards.
Under no circumstances should the original design be modified or altered without written permission from AOC.
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 radiations 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 ground ed 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.)
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19’’ LCD TV AOC L19W661
Revision List
Version Release Date Revision Instructions TPV Model
A00 Mar.-09-2007 Initial Release E196M2NKA1AENS
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19’’ LCD TV AOC L19W661
1. General Specification
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19’’ LCD TV AOC L19W661
2. Operating Instructions
2.1 The Use of Remote Control
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19’’ LCD TV AOC L19W661
2.2 To Use the Menus
Introduction
When you use a menu or take an action, convenient instructions, help texts and messages will be di spl ayed on you r
TV. Please, follow the displayed instructions and read the help text on the specific item highlighted. The col or buttons
perform different actions, when using on screen menu. By pressing the corresponding color button on the remote
control to perform.
How to navigate through the Settings menus
The Settings menu allows you to access and change settings and preferences settings.
• Press the MENU button on the remote control to display the Settings menu.
- Use cursor up/down to highlight and select a menu item on the left panel. The right panel shows the content of the
menu you have highlighted in the left panel.
TV MENU-INSTALLATION
Select the menu language
1.Press the MENU button on the remote control.
2.Use the cursor down to select Installation in the Settings menu.
3.Use the cursor right to enter the Installation menu.
4.Select Language and enter the list of available languages with the cursor right. (English / Spanish/ French)
5.Select your preferred language with the cursor up/down and press the OK button to confirm your selection.
6.Proceed with the Installation menu.
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19’’ LCD TV AOC L19W661
Store TV channels
1.Select Autoprogram in the Installation menu.
2.Use the cursor right to enter the Autoprogram menu.
3.Select Cable or Antenna in the Installation mode.
English
When Antenna is selected, the TV will detect antenna signals and will sea rch for antenn a TV (NTSC and ATSC)
channels available in your local area. When Cable i s selected, the TV will detect cable company supplied signals and
will search for cable TV (NTSC, ATSC, QAM modulated) channels available in your area. Make sure that regi stration
with your cable TV provider and connection of equipment are completed.
4.Select Start now with the cursor right key.
5.Press the OK button.
6.Press the green button “Start” to start Autoprogramming. The menu screen disappears and the progress o f
Autoprogramming is displayed. The progress bar indicates the number of analog and digital TV channels found.Auto
programming may take up to 20 minutes to complete. Digital channels will take longer than Analog to find and
program. Please wait until you see the Auto
Programming complete message. The TV will then switch automatically to the first channel found.
Channel tuning
Available channels:
- Cable (analog NTSC or digital QAM)
- Terrestrial (analog NTSC or digital ATSC)
If a tuned channel is not yet in the master channel map, the TV will attempt to tune to the channel and it will be added
to the map.
If the channel is not acquired, a message will appear reporting that the channel is not available. When you tune an
audio-only digital subchannel, a display appears with the message Audio only.
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19’’ LCD TV AOC L19W661
Weak channel installation
Antenna reception for broadcast channels may vary. If you are having difficulties acquiring weaker signal s, we
suggest you use:
Weak Signal Installation feature.
Here’s how:
1.In the antenna mode, select a channel from the displayed list of TV channels. Select the “Start” by pressing red
button on the remote control; TV set will detect the signal.
2.The signal strength is continuously displayed and updated as you rotate the antenna. When strength is enough to
identify, user can store the channel in the channel list by pressing green button on the remote control.
Current software info
This menu will appear with your TV software information.
1.Press the MENU button on the remote control.
2.Use the cursor down to select Installation in the Settings menu.
3.Using the cursor up/down to choose Current software info the TV software information is displayed.
Source
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19’’ LCD TV AOC L19W661
This menu allows you to identify the accessory devices you have connected to the external inputs/outputs.
1.Select Source in the Installation menu.
2.Press the cursor right to enter the list, and press up/down key to the selected input.
3.Press OK button to confirm.
Analog Audio In
If your accessory device has a DVI output connector, only the video signal is transmitted in digital format. To input an
audio signal, please connect the analog audio L and R outputs to the TV’s L and R AV2 audio input plugs.
Digital Audio Out
In addition to accepting audio input through HDMI, the TV can output Digital audio through the DIGITAL AUDIO OUT
(SPDIF OUT) connector to an external amplifier or receiver. If your amplifier or receiver has a matching connector for
Digital Audio In, you can connect it with a single cable to the TV’s DIGITAL AUDIO OUT (SPDIF OUT).
AV1
AV1 supports component input.
AV2 (S-video/CVBS)
AV2 supports two source inputs (S-video and CVBS) and automatically search the inputs, S-video is the high
priority.In case you have two inputs and want to show the signal from CVBS, please turn off S-video device or plug off
s-video cable."
Clock
This allows you to use your TV as a clock.
1.Press the MENU button on the remote control.
2.Use the cursor down to select Installation in the Settings menu.
3.Press the cursor right to enter the list, and press up/down key to set the time. (Hour/ minute/ AM or PM)
4.Press OK button to confirm.
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19’’ LCD TV AOC L19W661
Reset AV settings
This function allows you to reset most of the picture and sound settings to their default factory levels.
1.Select Reset AV settings with the cursor down key.
2.Press the cursor right key.
3.Press the OK button to erase settings and reset them to their default values.
TV MENU- FEATURES
Features menu
1.Select Features in the TV Settings menu.
2.Press the cursor right key to enter the features menu.
3.Select the menu items with the cursor up/down key and adjust the settings with the cursor left/right key.
Closed captions
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19’’ LCD TV AOC L19W661
This displays the transmitted CC- or CS-text on the screen according to your chosen CC or CS service in the Feature
menu. This text can either be permanently displayed (assuming that the service is available in the broadcast) or only
when mute is active.
1.Press the cursor right key after having selected closed captions.
2.Select On, Off or On during mute.
Caption service
This allows you to select the Closed Captions service levels of analog broadcasting to be displayed.
Closed Captioning allows you to read the voice content of television programs on the TV screen. Designed to help the
hearing impaired, this feature uses on-screen ‘text boxes’ to show dialogue and conversations while the TV program
is in progress. aptions will appear on the screen during captioned broadcasts.
1.Select Captions service.
2.Press the cursor right key.
3.Select the desired Caption service:
• CC 1,2,3 or 4
Dialogue (and descriptions) for the action on the captioned TV program shows on screen. Usually CC1 is the most
used. CC2 may be used for alternate languages if they are being transmitted.
• T 1,2,3 or 4
Often used for channel guide, schedules, bulletin board information for Closed Captions programs, news, weather
information or stock market reports.
Not all Caption services are necessarily being used by a TV channel during the transmission of a Closed Caption
program.
4.See Closed Caption in the TV, Features menu, to turn the Caption service On or Off.
Digital caption service
This allows you to configure the way you choose to view digital captioning.Select one of the digital service channels
made available by the caption provider. There are six standard services. Service 1 is designated as the Primary
Caption Service. This service contains the verbatim, or near-verbatim captions for the primary language being
spoken in the accompanying program audio. Service 2 is designated as the Secondary Language Service. This
service contains captions in a secondary language, which is a translation of the captions in the primary Caption
Service. The other service sub channels are not pre-assigned. It is up to the discretion of the individual caption
provider to utilize the remaining service channels.
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19’’ LCD TV AOC L19W661
Digital caption options
This allows you to modify how digital captions are displayed on your TV. Sele ct from the follo wing option s t o chang e
the visual characteristics of your TV’s digital captioning.
Reset to default
Select this option to reset the digital caption options to the captions provider default settings.Press the OK button to
confirm.
• Size
Select this option to choose a caption display size according to your own preference. Select Default (Automatic),
Small, Standard or Large and press the OK button to confirm.
• Style
Select this option to choose a caption display font style according to your own preference. Select Default, Mono
spaced serif, Serif, Monospaced sans serif,Sans serif, Casual, Cursive or Small caps.
• Text
Select this option to choose caption display text box, text color and/or the opacity according to your own preferen ce .
Select a color and an opacity option.
• Background
Select this option to choose caption display character back ground color or one of the background opacity options
according to your own preference. Select a color and one of the opacity options.
Preferred channels
A channel, when installed, is marked as preferred by default and added to the channel list. This feature provides the
ability to remove a channel number from the channel list.
1.Select Preferred channels with the cursor down key.
2.Press the cursor right key to enter a list with all stored Channel numbers.
3.Select the channel you want to remove with the cursor down key.
4.Press OK.
5.Repeat to remove other channels.
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19’’ LCD TV AOC L19W661
Sleeptimer
This sets a time period after which the TV automatically turns to standby.
1.Select Sleeptimer.
2.Press the cursor right key.
3.Select a value with the cursor up/down key. The list will have values from Off to 180 minutes. When Off is selected,
the sleeptimer is turned off.
You can always turn off your TV earlier or select another time set.
TV MENU-PICTURE
1.Press the cursor right key to select Picture.
2.Press the cursor right key again to enter the Picture menu.
3.Select the menu items with the cursor up/down key.
4.Adjust the settings with the cursor left/right key or enter the list of submenu items with the cursor right key. Select a
submenu item with the cursor up/down key.
Auto picture
1.Select Auto picture to display a list of predefined picture settings, each corresponding with specific factory
settings. Personal refers to the personal preference settings of picture in the picture menu.
2.You can press the Auto picture button on the remote control repeatedly to select either Personal, Rich, Natural,
Soft, or Power saver picture settings.
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19’’ LCD TV AOC L19W661
Contrast
This will adjust the intensity of bright parts in the picture but keep the dark parts unchanged. The tuning range is 0 ~
100.
Brightness
This will adjust the light output of the complete picture, which will mainly affect the darker areas of the picture. The
tuning range is 0 ~ 100.
Color
This will adjust the saturation level of the colors to suit your personal preference. The tuning range is 0 ~ 100.
Sharpness
This will adjust the sharpness of fine details in the picture. The tuning range is 0~ 7.
Color temperature
This will increase or decrease Warm (red) and Cool (blue) colors to suit personal prefe rences (Normal/Wa rm/Cool).
The default mode is Normal. Select Cool to give the white colors a blue tint, Normal to give the white colors a neutral
tint, Warm to give the white colors a red tint.
Tint
Allows you to select the picture‘s color mix or hue. The tuning range is -7 ~ 7.
Noise Reduction
Reduce picture noise. The tuning range is 0 ~ 5.
Dynamic contrast
Enhance contrast ratio.
Picture format
This menu item performs the same as the MODE button on the remote control.(Automatic/Super zoom/4:3/Movie
expand 14:9/ Movie expand 16:9/16:9 subtitle/Wide screen)See Use of the remote control.
TV MENU- SOUND
1. Select Sound in the TV Settings menu.
2.Press the cursor right key to enter the sound menu.
3.Select the menu items with the cursor up/down key and adjust the settings with the cursor left/right key.
4.Remember, control settings are at normal mid-range levels when the bar scale is entered.
Auto sound
Select Auto sound to display a list of predefined sound settings, each corresponding with specific factory setting s of
Treble and Bass.
1.Press the cursor right key to enter the list.
2.Press the cursor up/down key to select a predefined sound setting (Personal/Speech/Movies). Personal refers to
the personal preference sound settings in the sound menu. The default mode is Speech.
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19’’ LCD TV AOC L19W661
Sound mode
This select the modes for more spatial or surround sound reproduction dependent on the broadcast signals or signal s
from external inputs received. (Mono/Stereo/Virtual Surround)
Alternate audio
This gives you the possibility to swap between “Main” and second audio program (SAP), when it is available i n analog
channel.
Digital audio language
This gives you the possibility to swap between main and alternative language, when it is available in digital channel.
AVL (Automatic Volume Leveler)
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19’’ LCD TV AOC L19W661
Automatically reduces the volume differences between channels and programs, providing a more constant overall
level. This will also reduce the dynamics of sound.
TV MENU- PARENTAL CONTROL
Parental Control menu
This menu can control special functions for the TV channels.
1.Select Parental Control in the TV settings menu with the cursor up/down key.
2.Press the cursor right to enter the channels menu.
3.Press the cursor up/down key to select a channels menu item.
Change PIN
1.Select Set or Change PIN with the cursor down.
2.If no PIN-code exists, the menu item is set to Set PIN. Follow the instructions on screen. If a PIN-code has
previously been entered, the menu item is set to Change PIN. Follow the instructions on screen. All number
combinations from 0000 to 9999 are valid numbers.
3.The menu reappears with a message confirming that the PIN has been created
.
Channel lock
This allows you to completely lock a certain TV channel or external sou rce. Select the chann els o r sub chan nels you
want to lock and press OK to confirm.
TV ratings lock
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19’’ LCD TV AOC L19W661
Your TV is equipped with a V-chip. This allows you to control access to individual programs based on their m ovie and
TV ratings. All settings apply to all AV inputs, except HDMI. The broadcaster or program provider sends the program
content advisory data.
1.Select TV ratings lock with the cursor down. A list appears, showing the age-based TV ratings and a
corresponding content-based ratings list.
2.Press the cursor right to enter the list.
3.Select an age-based TV rating with the cursor up/down, and enter, if present, the list with content-based ratings
with the cursor right, and select one content-based rating.
4.Press OK to activate/de-activate the selected rating. You are asked to enter your PIN-code (see Set/Change PIN,
p. 34). If the code is correct, the TV ratings lock menu reappears.
5.Select another content-based rating if you like and press OK again. You need only enter your PIN-code once while
the menu is active. You can lock/unlock any number of ratings on the list without re-entering your code. Each ratings
item has a box-graphic in front of it to indicate whether or not programs carrying that rating are currently locked:
•
: All items in the contents-based list are locked as well.
: The item is unselected.
•
: Some content-based ratings are selected/unselected.
•
When All has been selected, all items in the age-based and in the contents-based lists are locked. If, while All is
selected, any other item, either an age-based or content-based item, is unselected, then All is automatically
unselected. None is the selection for items that either have no rating information or have a rating of None. Both will
be locked. When an item on the age-based list selected, all items below that item of the same group are locked as
well. When you select a content-based rating, all identical content- based ratings in the younger age-based
categories are also selected.
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19’’ LCD TV AOC L19W661
Movie Ratings Lock
This function allows you to control access to individual movies based on their MPAA ratings (Motion Picture
Association of America).
1.Select Movie ratings lock with the cursor down. A list appears, showing all valid MPAA content ratings.
2.Press the cursor right to enter the list. You are asked to enter your code. If the code is correct , the Movie ratings lock
menu reappears.
3.Select a movie rating with the cursor up/down.
4.Press OK to activate/de-activate the selected rating. Each rating item has a box-graphic in front of it to indicate
whether or not programs carrying that rating are currently locked:
: movies with this rating are locked;
•
: movies with this rating are unlocked.
•
When All has been selected, all items on the movie ratings list become selected. (All movies are locked.) If, while All
is selected, any other item is unselected, then All is automatically unselected. When NR has be en selected, no other
item is selected. When any other item has been selected, all ratings below are selected as well, thus all movies with
those ratings will be locked.
Region ratings lock
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19’’ LCD TV AOC L19W661
This allows you to control access to individual programs base on their broadcasted regional rating.
NR not rated
G movies with a mild content, suitable for all ages
PG movies for which parental guidance is recommended. They may contain a few racy or violent scenes or maybe
some bad language
PG-13 movies for which parental guidance may be recommended if underage 13
R restricted. The movies usually contain offensive sex or bad language and may be unsuitable for children under the
age of 17. Parental guidance or permission needed.
NC-17 even with parental permission, forbidden under age 17. More offensive sex, violence or bad language.
X movies, which generally focus on sex, violence and/or bad language. Also known as pornography.
English
1.Select Region ratings lock with the cursor down. A list appears, showing the age-based Region ratings and a
corresponding content based ratings list.
2.Press the cursor right to enter the list.
3.Select an age-based Region rating with the cursor up/down, and enter, if present, the list with content-based ratings
with the cursor right, and select one content-based rating.
4.Press OK to activate/de-activate the selected rating. You are asked to enter your PIN-code. If the code is correct,
the Region ratings lock menu reappears.
5.Select another content-based rating if you like and press OK again. You need only enter your PIN-code once while
the menu is active. You can lock/unlock any number of ratings on the list without re-entering your code. Each ratings
item has a box-graphic in front of it to indicate whether or not programs carrying that rating are currently locked:
•
: All items in the contents-based list are locked as well.
•
: The item is unselected.
: Some content-based ratings are selected/unselected.
•
Clear regions lock
This allows you to clear all the locks that you have set in the Region ratings lock table.
1.Select Clear regions locks with the cursor down.
2.Enter your PIN-code to clear all region ratings’ status.
PC MENU-INSTALLATION
Select the menu language
Note: Press SOURCE button on the remote control to make sure the source is selected in PC mode.
1.Press the MENU button on the remote control.
2.Use the cursor down to select Installation in the Settings menu.
3.Use the cursor right to enter the Installation menu.
4.Select Language and enter the list of available languages with the cursor right. (English / Spanish/ French)
5.Select your preferred language with the cursor up/down and press the OK button to confirm your selection.
6.Proceed with the Installation menu.
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19’’ LCD TV AOC L19W661
Source
1.Select Source in the Installation menu.
2.Use the cursor right to enter the Source menu.
3.Select PC with the cursor up/down and press the OK button to confirm your selection.
Picture adjustment
1.Select Picture adjustment in the Installation menu.
2.Use the cursor right to enter the Picture adjustment menu.
3.You can choose Auto adjust or Manual adjust with cursor up/down and press OK button to confirm.
Auto adjust
Automatically adjust to the best image position, phase and clock setting.
Manual adjust
Manually fine-tune the image as it appears on the screen.
• Phase
Eliminates the horizontal interfering lines.
• Clock
Eliminates the vertical interfering lines.
• Horizontal
Adjust the horizontal placement of the picture.
• Vertical
Adjust the vertical placement of the picture.
Factory reset
This function allows you to reset most of the picture and sound settings to their default factory levels.
1.Select Factory reset in the Installation menu.
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19’’ LCD TV AOC L19W661
2.Use the cursor right to enter the Factory reset menu.
3.Press the OK button to erase settings and reset them to their default values.
PC MENU-PICTURE
Picture menu
1.Press the cursor right key to select Picture.
2.Press the cursor right key again to enter the Picture menu.
3.Select the menu items with the cursor up/down key.
4.Adjust the settings with the cursor left/right key or enter the list of submenu items with the cursor right key. Select a
submenu item with the cursor up/down key.
Contrast
This will adjust the intensity of bright parts in the picture but keep the dark parts unchanged. The tuning range is 0 ~
100.
Brightness
This will adjust the light output of the complete picture, which will mainly affect the darker areas of the picture. The
tuning range is 0 ~ 100.
Color temperature
This will increase or decrease Warm (red) and Cool (blue) colors to suit personal preferences (Normal/Warm/Cool).
The default mode is normal. Select Cool to give the white colors a blue tint; Normal to give the white colors a neutral
tint, and Warm to give the white colors a red tint.
Picture format
This menu item performs 4:3 or Full screen in PC mode.
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19’’ LCD TV AOC L19W661
PC MENU-SOUND
Sound menu
1.Select Sound in the TV Settings menu.
2.Press the cursor right key to enter the sound menu.
3.Select the menu items with the cursor up/down key and adjust the settings with the cursor left/right key.
4.Remember, control settings are at normal mid-range levels when the bar scale is entered.
Auto Sound
Select Auto sound to display a list of predefined sound settings, each corresponding with specific factory setting s of
Treble and Bass.
1.Press the cursor right key to enter the list.
2.Press the cursor up/down key to select a predefined sound setting (Personal/Speech/Movie). The default mode is
Speech.
Personal refers to the personal preference sound settings in the sound menu.
Virtual sound
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19’’ LCD TV AOC L19W661
2.3 How to Connect
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19’’ LCD TV AOC L19W661
2.4 Front Panel Control Knobs
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19’’ LCD TV AOC L19W661
3. Input/Output Specification
3.1 RGB Signal input
15 - Pin Color Display Signal Cable
Pin No. Description Pin No. Description
1 Red Video 9 Mandatory +5V Supply for PC Bypass
2 Green Video 10 Sync Ground
3 Blue Video 11 NC
1
6
11 15
5
10
4 NC 12 Bi-directional Data (SDA) for PC Bypass
5 Ground 13 H-Sync.
6 Red Video Ground 14 V-Sync.
7 Green Video Ground 15 Data Clock (SCL) for PC Bypass
8 Blue Video Ground
3.2 HDMI Digital connector pin assignments
Pin No. Description Pin No. Description
1 TMDS Data2+ 2 TMDS Data2 Shield
3 TMDS Data2- 4 TMDS Data1+
5 TMDS Data1 Shield 6 TMDS Data1-
7 TMDS Data0+ 8 TMDS Data0 Shield
9 TMDS Data0- 10 TMDS Clock+
11 TMDS Clock Shield 12 TMDS Clock13 CEC 14 NC
15 SCL 16 SDA
17 DDC/CEC Ground 18 +5V Power
19 Hot Plug Detect
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19’’ LCD TV AOC L19W661
3.3 AV/S-Video/Component Video Inputs
RF signal input system
-Aerial or cable, NTSC/ATSC (8VSB) /Free QAM (64/256)
RF signal input level
-10mV (80dBuV) typical, 30dBuV ~ 100dBuV receiving
-Capability, terminated with input impedance of 75Ω.
RCA A/V, CVBS and audio R+L input
-Support NTSC colour system, 480i/60Hz.
-CVBS: 75 impedance.
-DC coupled signals 1Vpp (Sync: 300mV, video: 700mV)
-Audio: Impedance > 10 kΩ. Input Level: 500 mVrms
S-video, (audio share with CVBS)
-Support NTSC colour system, 480i/60Hz.
-Y: 1000mVpp, C: 300mVpp
-Terminated with input impedance of 75Ω.
HEADPHONE
-Peripherals: Earphones with impedance between 8Ω - 600Ω
-Features: When headphone plug is connected, loudspeaker sound is muted.
-Volume co ntrol: with the loudspeaker volume.
-Connector type: 3.5 mm stereo Jack, with switch
-Specifications: - Output: 32Ω, 10 mW
- Sound is the same as from the loudspeakers.
YPbPr and Audio L + R input
-Support NTSC colour system SDTV and HDTV, including 480i/60Hz, 480p/60Hz,
720p/60Hz and 1080i/60Hz.
-Y: 1000mVpp, PbPr: 350mVpp, terminated with input impedance of 75Ω.
-Connector type: RCA connectors
-Audio: Impedance > 10 kΩ.
-Input Level: 500 mVrms
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19’’ LCD TV AOC L19W661
3.4 Compatible Mode Table
Dot rate (MHz) H.freq (KHz) Mode Resolution V.freq (Hz)
1 25.175 31.469 IBM VGA 640 * 350 70.087
2 28.321 31.469 IBM VGA 720 * 400 70.087
3 25.175 31.469 IBM VGA 640 * 480 59.940
4 30.240 35.000 MACINTOSH 640 * 480 66.667
5 31.500 37.500 VESA 640 * 480 75.000
6 36.000 35.156 VESA 800 * 600 56.250
7 40.000 37.879 VESA 800 * 600 60.317
8 49.500 46.875 VESA 800 * 600 75.000
9 57.280 49.722 MACINTOSH 832 * 624 75.000
10 65.000 48.363 VESA 1024 * 768 60.004
11 78.750 60.023 VESA 1024 * 768 75.029
12 79.500 47.776 VESA 1280 * 768 59.870
13 102.250 60.289 VESA 1280 * 768 74.890
14 85.500 47.712 VESA 1360 * 768 60.015
15 78.750 60.288
16 106.500 55.935
VESA
VESA
1360 * 768 74.891
1440 * 900 59.902
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19’’ LCD TV AOC L19W661
4. Mechanical Instructions
1. Remove the 5 screws to remove the base.
2. Remove the 7 screws to remove the shield.
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