AOC T27013 Manuale utente
27" LCD-TV T27013
1
Service
Service
Service
Horizontal Frequency
31.5-49kHz
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
Important Safety Notice.……..................……......3
1.Specification For LCD-TV……....................………........4
1.1 General Specification…………………………….......4
1.2 LCD-TV Description..…………...............…….........19
1.3.Interface Connector.........…...........…..…...........19
2. Precautions And Notices…............…................20
2.1 Assembly Precaution...........................…............20
2.2 Operating Precaution…............……………..........20
2.3.Storage Precaution….…........………..…...............20
2.4 High Voltage Warning…………….…….…………….20
3. Exploded View………….…….................................21
4. BOM List.....……...………….…....……………............22
5. Repair Flow Chart.....…………………….…………......55
6.PCB Layout..……………..........………………….…......59
6.1 Main Board.……………………….…… ...........59
6.2.Power Board.………………..………..…......….......61
6.3 Tuner Board.……..…..……...……..…………..….......63
6.4 Key Board.........……...…….....…….........….....63
6.5. IR Board.……...........…..………………...............63
6.6.1.Headphone Board………………………………64
7.Block Diagram………..…....………..............................65
7.1.Main Board……….…..……………..………..............65
7.2.Power Board………..….……………………..….66
8.Schematic………………..…....…..............................67
8.1 Main Board..…….………......................................67
8.2.Power Board………..……....................................79
8.3.Headphone Board…......…….…...........................81
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
27" LCD-TV T27013
2
Revision List
Revision Release Date Revision History TPV Model
A00 May-18-06 Initial Release EFF5MTNBC1TETMC
27" LCD-TV T27013
3
Important Safety Notice
Proper service and repair is important to the safe, reliable operation of all AOC 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 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 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.)
27" LCD-TV T27013
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1. Specifications For LCD TV
1.1 General Specifications
Items Specification
Panel Type 27” CMO V270B1-L01 panel
Driver Element a-si TFT active matrix
Aspect Ratio 16: 9
Pixel Number 1366 x 768
Active Display Area H x V 596.259mmx335.232mm
Pixel Pitch 0. 4365mm(H) x 0.4365mm(V)
Contrast Ratio 1000:1 (type)
Brightness 550:1 (type)
Response Time 8ms
View Angle (CR20) H: 176/V: 176
Display colors 16.7 million
Lamp Type/Life 60000 hr (type)
LCD Panel
Color Temperature Cool / Warm
RCA x 1
Video Inputs AVǃS-VIDEO
S-Video x 1
Audio L/R x 1 (Share)
Audio Output Audio Output: L / R Headphone Mini-jack for stereo (3.5ø)
OSD language English / French / Spanish / Portuguese/German/Italian .etc
Table Stand Included
Wall Mount VESA 100 x 100 mm
Power Supply AC100V~240V, 50/60Hz
Power
Power Consumption <140W
Panel Tilt Forwards/Backwards/Rotation -4°/ +18° / ± 35°
Operating + 0 °C ~ + 40 °C
Storage - 25 °C ~ + 60 °C
Environment
Operating 10% ~ 85%
27" LCD-TV T27013
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The Use Of Remote Control
Operating Instructions
Press this key to turn on or
on stand-by the TV set.
PR
Press PR+ or PR– to scroll
through the channels.
Press + or – to increase or
decrease the volume.
Press this key to adjust the
automatic shut-off time (from
0 to 120 minutes). Each key
press increases this time 15
minutes. The timer begins to
count down from the number
of minutes selected after the
display has disappeared.
Press this key to swap main
picture and small picture
when PIP is working.
Press this key to display
PIP/PAP screen
Press this key to adjust PIP
size when PIP is working.
MENU
Press this key to display
main menu.
EXIT
Press this key to exit
main menu
Press this key to display:
- the channel number when
watching a TV program.
- the input source when
watching an AV program.
Press this key to mute the
sound.
Press this key again to restore it.
0~9 DIGIT BUTTONS
To select a TV channel.
RETURN
Press this key to return to
previously selected TV
channel or return to previously
selected input source.
AV
Press this key to return last
AV or press repeatedly to
select desired input source
Press this key to select sound
type (Mono, Stereo or Dual if
broadcasted by the TV
Press these keys to select
desired picture format (4:3,
14:9, CINERAMA, 16:9)
27" LCD-TV T27013
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TELETEXT
The Teletext service is available in many countries under a variety of names (TOP Text, Fastext, and FLOF
Text, Videotext). It is provided as a free service by television broadcasters. This service provides a real wealth of
information, available at any time, on weather, sports results, news, games, etc. The information is presented in
pages or organized in topics specified in colour on the screen and you can access this information by simply
pressing the buttons of the relevant colour on the remote control.
ǂ
TEXT
Press this key, Teletext will display the last page selected, or
If you have changed channel, the index page (usually100).
Press EXIT to leave Teletext.
OK
Press this key to superimpose the teletext over the TV picture.
A 2nd key press displays the teletext in the left part of the
screen. Press again to return to Teletext mode.
Press this key, once to zoom in on the top part of the screen,
a second time to zoom in on the bottom part of the screen and
a third time to return to normal display.
RED / GREEN / YELLOW / BLUE
If Fastext is available, use colored keys to access directly to
the relevant color topics.
Press this key to select subtitle page. If the displayed page is
not the subtitle one, search its number in the index page and
select it.
STOP
Press this key to stop the page scrolling. Press it again o
restart the page scrolling.
(?)
Press this key to reveal a hidden answer (for example, in
games). Press it again to hide the answer.
. PAGE SELECTION
Page can be selected in two ways.
a. Press ǂor ǂto increase or decrease the page
number by one.
b. By entering the page number, using digit buttons 0~9.
SUBPAGE ACCESS
Some information is spread across more than one page. To access sub-pages, press ---- /AV key then enter the
sub-page number using digit buttons 0~9.
27" LCD-TV T27013
7
M
a
in M
e
n
u
To Use The Menu
1. Press the MENU button repeatedly to display each menu.
2. Use the cursor up/down to select a menu item or adjust the setting of Menu item.
3. Use the cursor left/right to enter a submenu or enable the function.
4. Press the OK button to exit the menu.
Press the MENU button to display the Main menu. It offers the following options: Picture adjustments,Audio
adjustments, PIP/POP adjustments, TV channels search menu (only in TV mode) and PC adjustments (only in PC
mode). It also allows defining your preferences in the Setup menu.
Picture Adjustments
Display the Main menu by pressing MENU button.Select the Picture menu using the ¿/Àbuttons. Press the
OK button to confirm.Use the ¿/Àbuttons to select each option.
Preset: choose between Personal, Vivid, Standard or Mild.
Personal: give access to following adjustments.
Contrast,Brightness,Colour and Sharpness: adjust these settings as required using the ½/¾buttons.
Tint: This option is only available for NTSC audio-visual sources. Adjust the tint of the picture using the ½/
¾buttons.
Reset: Return to default settings. Press OK button to return default settings. Press the EXIT button to exit the
Picture menu.
Note: this menu is removed automatically after a few seconds without using the remote control.
When you adjust a menu option (Contrast for example), the menu is replaced by a sub-menu as illustrated. Press
the OK button to return the Picture menu.
27" LCD-TV T27013
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Audio Adjustments
Display the Main menu by pressing MENU button. Select the Sound menu using the Àbutton. Press the OK button
to confirm.Use the ¿/Àbuttons to select each option.
Volume: adjust as required using the ½/¾buttons.
Balance: adjust the balance between left/right channels as required using the ½/¾buttons.
Bass: adjust the bass level as required using the ½/¾buttons.
Treble: adjust the treble level as required using the ½/¾buttons.
SRS WOW: Using ½/¾, activate (On) or deactivate (Off) SRS function. SRS is an audio technology, which
improve the sound quality.
Reset: Return to default settings. Press OK button to return to default settings. Press the EXIT button to exit the
Sound menu.
Note: this menu is removed automatically after a few seconds without using the remote control.
When you adjust a menu option (Volume for example), the menu is replaced by a sub-menu as illustrated. Press the
OK button to return the Sound menu.
PIP/PAP Adjustments
Press the MENU button to display the Main menu Select the PIP menu using the Àbutton. Press the OK button to
confirm.Use the ¿/Àbuttons to select each option.
27" LCD-TV T27013
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Dual mode: Using ½/¾buttons activate (PIP/PAP) or deactivate (Off) the PIP function. Following options are
available if you have selected PIP or PAP at the PIP line.
Position: use the ½/¾buttons to change the position of the PIP frame on the screen.
Source: to select video source of the PIP/PAP, use the ½/¾buttons to select video source of the picture in the
PIP/PAP frame (TV or AV). You can insert a TV picture while you are viewing an AV program or insert an AV picture
while you are viewing a TV program. Video source can also be selected without the menu, using AV button on the
remote control.
Audio select: to select audio source: MAIN (Main picture) or SUB (PIP/PAP picture), use the ½/¾buttons to
select audio source. Press the EXIT button to exit the PIP menu.
Note: this menu is removed automatically after a few seconds without using the remote control.
Channels Search
Channels search involves selecting all the settings required to be able to search for and store all the channels you
can receive. Make sure that the television is switched on and follow all the steps in turn specified on this page.
Display the Main menu by pressing MENU button.Select the Installation menu using the Àbutton. Press the OK
button to confirm.Use the ¿/Àbuttons to select each option.
Automatic Set-Up
Select Auto. Installation using the Àҏbutton. Press the OK button to display the Auto. Installation menu.
Use the ¿/Àbuttons to select each option.
27" LCD-TV T27013
10
Country: Select the relevant country using the ½/¾buttons. This is the country you are in, or the country whose
channels you want to receive if you live near its borders. If you do not find your country, select Auto. Start: Press OK
button to start channels searching.
Manual Set-Up
Select Man. installation using the Àbutton. Press the OK button to display the Man. installation menu.
Use the ¿/Àbuttons to select each option.
Prog. Number: Allows selecting the program on which you want save a new channel or a program you want to
modify.
- Using the ½/¾buttons, select the program.
Frequency: Allows entering a specific frequency for tuning.
- Using the Àbutton, select the Frequency option and press the OK button.
- Using the 0~9 digit and ½/¾buttons, enter desire frequency and press the OK button.
Name: Allows editing the channel name.
- Using the Àbutton, select the Name option.
- Using the ¾button select the first letter field.
- By pressing the 0~9 digit repeatedly and using the following table select the first character.
Repeat the procedure for each letter field.
Press the OK button to confirm.
Indice
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