AOC LE32D1332 User manual

31.5″&39″LCD TV AOC LE32D1332&LE39D1332
Copyright © 2013 by TPV Corporation. All rights reserved. Specifications are subject to change without notice.
No part of this publication may be reproduced in any form or means, without the prior written permission of TPV Corporation. Otherwise we will
reserve the right to investigate the legal responsibility.
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Service
Service
Service
TABLE OF CONTENTS
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.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
6.2 Power Board……...…………..….…….……….......33
6.3 Key Board……………………………………….......36
6.4 IR Board……………………………………….......36
7. Adjustment..............................................................37
7.1 ADC Adjustment....................................................37
7.2 FW Upgrade.………………………………...………38
8. Block Diagram.…….................................................39
9. Schematic Diagram…..…………....………………...41
9.1 Main Board…………………………………...….......41
9.2 Power Board…………..….….……...………….......51
9.3 Key Board……………………………………….......55
9.4 IR Board……………………………………….......56
10. Exploded View………………………………….…...57
11. BOM List……………….………………….………….61
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 Menus….....………………….…..…….......6
2.3 How to Connect……..……………….…….……….....11
2.4 Front Panel Control Knobs…….………….……….....13
3. Input/Output Specification…………....................…....15
4. Mechanical Instructions…………………….................18
5. Repair Flow Chart ……………………….…….…….....24
6. PCB Layout ………………..………………....….......31
6.1 Main Board…………..……………...…….…….......31

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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.)

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Revision List
Version Release Date Revision Instructions Customer Model TPV Model
A00 Jun.24,2013 Initial release
LE32D1332 E32C11NSCYE8NNX
LE39D1332 E39C11NSCYE8NNX

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1. General Specification
Model LE32D1332 LE39D1332
Panel size 800 mm diagonal (31.5” viewable) 991 mm diagonal (39” viewable)
Resolution 1366 × 768 1920 × 1080
TV System DTV System(ISDB-T)
ATV System(NTSC-M/PAL-M/PAL-N)
DTV System(ISDB-T)
ATV System(NTSC-M/PAL-M/PAL-N)
Speaker 10 W x 2 10 W × 2
Antenna impedance 75Ω75Ω
Input Voltage 100-240V AC, 50/60Hz 100-240V AC, 50/60Hz
Power consumption 80W 90W
Standby power consumption < 0.5W < 0.5W
Video/Audio Terminals Rear AV in × 1 Rear AV in × 1
Video/Audio Input
VIDEO: 1V (p-p), 75 ohm, negative
sync.
AUDIO: 500mv (rms)
VIDEO: 1 V(p-p), 75 ohm, negative
sync.
AUDIO: 500mv (rms)
Audio Output Audio line out (R/L): Max 2.0Vrms Audio line out (R/L): Max 2.0Vrms
Component Input
Rear Component :
Y: 1V(p-p), 75 ohm, including sync.
Pr/Cr: ±0.35V(p-p), 75 ohm
Pb/Cb: ±0.35V(p-p), 75 ohm
AUDIO: 500mv (rms)
Rear Component :
Y: 1V(p-p), 75 ohm, including sync.
Pr/Cr: ±0.35V(p-p), 75 ohm
Pb/Cb: ±0.35V(p-p), 75 ohm
AUDIO: 500mv (rms)
HDMI Terminals
HDMI INPUT: Rear HDMI × 2
HDCP compliant
E-EDID compliant
HDMI INPUT: Rear HDMI × 2
HDCP compliant
E-EDID compliant
VGA Terminals
VGA INPUT:
Rear VGA (D-SUB 15 Pin) Input × 1
E-EDID compliant
Audio Input: Mini-jack for stereo
(3.5Ø )
VGA INPUT:
Rear VGA (D-SUB 15 Pin) Input × 1
E-EDID compliant
Audio Input: Mini-jack for stereo
(3.5Ø )
Size (W x H x D)
(with base and stand) (mm) 733 × 498 × 199 886 × 584 × 229
Size (W x H x D)
(without base and stand) (mm) 733 × 456 × 78 886 × 541 × 75
Weight 7.16 Kg (with stand and base)
6.61 Kg (without stand and base)
9.77 Kg (with stand and base)
8.42 Kg (without stand and base)
Wall mount size 100 × 100 mm (Wall mount kit is not
included)
100 × 100 mm (Wall mount kit is not
included)
Wall-Mount accessory Optional accessory and not included in
standard package
Optional accessory and not included in
standard package
Operating
conditions
Temperature
Humidity
Altitude
0°C to +40°C
10%~85%
To 3,000m
0°C to +40°C
10%~85%
To 3,000m
Storage
conditions
Temperature
Humidity
Altitude
-10°C to +50°C
5%~85%
To 5,000m
-10°C to +50°C
5%~85%
To 5,000m
Note:
• Designs and specifications are subject to change without notice.
• This model may not be compatible with features and/or specifications that may be added in the future.

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2. Operating Instructions
2.1 The Use of Remote Control

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2.2 To Use the Menus
FIRST ADJUSTMENTS
INITIAL SETUP
This is the first screen displayed after turning on the device. It allows the user to start the channel installation before
accessing other TV functions. The user can choose the correct TV signal source: Air or Cable.
You can also exit by pressing the EXIT key to quit the installation.
Welcome to the initial setup Select language
Select tuner mode Channel tuning
Switching Input Source
On AOC TV, you can choose signal source on the remote control, using “INPUT” key to choose signal source.
1 Press INPUT key and its menu display.
2
Press navigation ring to select input sources of TV、PC-IN、Component、
Composite、HDMI 1、HDMI 2、USB.
3 Press OK to enter.

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Main Menu
To access the TV menus, press the MENU key. This screen allows the user to choose between: Picture, Sound,
TV, Setting and Parental menus.
PICTURE MENU
Provides several sub-menus for video adjustment.
Press MENU and select the menu <Picture>. Press the middle button (OK) to access the sub-menus.
To cycle through these sub-menus vertically, use the Up and Down browsing keys.
Note: The video adjustments can only be done in personal mode.
AV Mode: Select the preset picture mode.
Contrast Adjusts the contrast of the video. The contrast adjustment range is from 0 ~ 100.
Brightness Adjusts the brightness of the video. The brightness adjustment range is from 0 ~ 100.
Saturation Adjusts the colors of the video, The adjustment range is from 0 ~ 100.
Hue Adjusts the tint level of the video. This can only be selected with NTSC. The color
adjustment range is from -50 ~ +50.
Sharpness Adjusts the video sharpness. The sharpness adjustment range is from 0 ~ 100.
Backlight Adjusts the video backlight intensity. The adjustment range is from 0 ~ 100.
Adaptive Backlight Press to turn on and off the adaptive backlight.
Color Temperature There are three user selectable options for color temperature – Cool, Normal and
Warm.
Noise Reduction There are four user selectable options for noise reduction – Off, Low, Medium and
Strong.
PC Adjust the PC settings. This is only available in PC mode.

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SOUND MENU
Press MENU and select the menu <Sound> with the Right browsing key. Press OK to access the sub-menus.
Sound Mode There are five user selectable options for sound mode – Personal, Standard,
Music, Theatre and Rock.
Treble Adjusts the tones of high frequency. The adjustment range is from 0 ~ 100.
Bass The bass adjustment range is from 0 ~ 100.
Balance Switch the TV to the best surround sound mode. The balance adjustment
range is from - 50 ~0 and 0 ~50.
Headphone Volume Adjusts the volume of headphone. The adjustment range is from 0 ~ 100.
Auto Volume Control Enable the Automatic Volume Control to reduce sudden volume change when
switching channels.
DSS Press Right or Left browsing key to turn on and off.
TV MENU
Press MENU and select the menu <TV> with the Right browsing key. Press OK to access the sub-menus.
Tuner Mode Choose the signal source from Cable or Air.
Auto CH Search Press to begin new channel scan.
DTV Manual Tuning Press to tune the TV manually.
Fine-Tune Press to fine tune the TV.
CH Skip Select the channel that you want to exclude during the program search. An
“forbid” icon will be displayed on the CH list to indicate the skipped channel.

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The skipped channel can only be selected through the CH list.
MTS Select the audio mode from Stereo, SAP or Mono. For use of Analog TV only.
Digital Dual Mono Select the digital dual mono from Main, Sub, or Main + Sub. Digital Dual Mono
is disable when no dual mono signals input. For use of Digital TV only.
SETTING MENU
Press MENU and select the menu <Setting> with the Right browsing key. Press the middle button (OK) to access the
sub-menus.
OSD Language Select the menu language.
HDMI Mode Select the HDMI mode from Auto, Graphic or Video.
Caption Setup
Press to access the menu <Caption Setup>. This phase allows user to choose
between: Caption, Digital Closed Caption and Analog Closed Caption.
Caption Select CC on or CC off.
Digital Closed Caption Set the closed caption. mode from Language 1~8.
Analog Closed Caption Set the closed caption mode from CC1~4 or from Text
1~4.
Blue Mute Turn the screen to blue and mute the sound when no
signal is received.
OSD Display Time Set the timer for OSD on-screen duration.
Audio Only Select this function to turn off the panel screen and keep
only the sound on.
Sleep Timer To shut down the TV power after a preset amount of time.
Auto Sleep Activate the standby mode by turning it on.
SW Version Display the software version of the TV.
Restore Factory Default Reset to default settings. All the settings will be erased,
including the channel list.

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PARENTAL MENU
This menu allows parents to restrict the programs according to age rating.
Press MENU and select the menu <Parental> with the Right browsing key. Press the middle button (OK) to access
the sub-menus.
Parental Control
An access password is required to access the following functions (refer to the image
at the side. Factory default password: 0000).
Note: If the input password is wrong, a message will appear.
Change Password Change the parental control password.
Channel Block Select the channel that you want to block. An “lock” icon will be displayed to indicate
the blocked channel.
Digital Rating Enable the digital rating. Set the age or content ratings. This is only available for
digital TV channels.
USB MENU
In USB mode, it is possible to input pictures, music, video and through the USB port from flash drives or external hard
drives. This turns the TV into an MP3 player, picture viewer or video player, without the need for peripherals such as
cameras, DVD players, etc.
Press USB to access the USB center, and select the function with the browsing key. Press the middle button (OK) to
enter the media function.

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2.3 How to Connect
Connecting TV
Cable System or VHF/UHF Antenna System
You can enjoy standard-definition and high-definition digital programming (if available in your area), along with
standard-definition analog programming.
This TV is capable of receiving unscrambled digital programming for both cable and external VHF/UHF antenna.
It is strongly recommended that you connect the antenna/cable input using a 75-ohm coaxial cable to receive
optimum picture quality. A 300-ohm twin lead cable can be easily affected by radio frequency interference, resulting in
signal degradation.
High Definition Interface
You can enjoy high-definition programming by subscribing to a high-definition cable service or a high-definition
satellite service. For the best possible picture, make sure you connect this equipment to your TV via the HDMI or
component video (with audio) input on the back of your TV.
HDMI Connection
If the equipment has a DVI jack and not an HDMI jack, connect the DVI jack to the HDMI IN (with DVI-to-HDMI
cable or adapter) jack and connect the audio jack to the PC AUDIO IN jacks.
Component Signal Connection

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Composite Signal Connection
PC Connection
Use the TV as a monitor for your PC shown below with the HD15 to HD15 connection. This TV can also be connected
to a PC with DVI or HDMI output. (Refer to the separate Quick Setup Guide.)
Connect the PC IN jack to the PC using the HD15 - HD15 cable with ferrite core (analog RGB) and audio cable.
If the PC is connected to the TV and no signal has been input from the PC for more than 60 seconds, the TV enters
the standby mode automatically.

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2.4 Front Panel Control Knobs
1 VOL + Press to increase the sound volume level.
2 VOL - Press to decrease the sound volume level.
3 CH ▲Press to select the next higher program number.
4 CH ▼Press to select the next lower program number.
5 INPUT Press to select the input source.
6 MENU Press to enter or exit the menu screen.
7 POWER Press to turn on / off (standby) the TV set.
Item Description
HDMI
HDMI (High-Definition Multimedia Interface) provides an uncompressed, all-digital
audio/video interface between this TV and any HDMI-equipped audio/video equipment, such
as a set-top box, DVD player, Blu-ray Disc player, A/V receiver as well as PC. HDMI supports
enhanced, or high-definition video, plus digital audio.
HDMI connection is necessary to view 480i, 480p, 720p, 1080i and 1080p formats.

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Be sure to use only an HDMI cable that bears the HDMI logo.
PC In (VGA)
Connects to a personal computer’s video output connector using HD15-HD15 cable (analog
RGB). Can also be connected to other analog RGB equipment. See “PC Input Signal
Reference Chart” on page 15 for the signals that can be displayed.
For some Apple Macintosh computers, it may be necessary to use an adapter (not supplied).
If this is the case, connect the adapter to the computer before connecting the HD15-HD15
cable.
If the picture is noisy, flickering or not clear, adjust Phase and Pitch of Screen settings.
Component/AV In
Connects to the COMPOSITE VIDEO output jack from your video equipment that has
COMPOSITE VIDEO, and audio (L/R) jacks can connect audio in source to your TV.
Connects to your TV’s component video (YPbPr) and audio in jacks. Component video
provides better picture quality than the composite video connections. Component video
(YPbPr) connection is necessary to view 480i, 480p, 720p, 1080i and 1080p formats.
VHF/UHF/Cable In RF (Radio Frequency or modulated signal design used as the carrier for television
broadcasts.) input that connects to your Cable or VHF/UHF antenna.
Headphone Connects to your headphones. If your headphones do not match the jack, use a suitable plug
adapter (not supplied).
USB/Service Insert USB storage device to the USB 2.0 port to view photos, videos, and listen to music. /
For future software upgrades

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3. Input / Output Specification
3.1 RGB Signal Input
15 - Pin Color Display Signal Cable
Pin No. Description Pin No. Description
1 Red 9 +5V (supply from PC)
2 Green 10 Sync GND
3 Blue 11 D/RXDC
4 D/TXDC 12 Bi-directional data (SDA)
5 GND 13 H-sync
6 Red GND 14 V-sync (vclk)
7 Green GND 15 Data clock (SCL)
8 Blue GND
3.2 HDMI Digital Connector Pin Assignments
HDMI 1
Pin No. Description Pin No. Description
1 TMDS Data2+ 11 TMDS Clock Shield
2 TMDS Data2 shield 12 TMDS Clock-
3 TDMS Data2- 13 CEC
4 TMDS Data1+ 14 ARC
5 TMDS Data1 shield 15 SCL
6 TMDS Data1- 16 SDA
7 TMDS Data0+ 17 DDC_Ground
8 TMDS Data0 shield 18 +5V Power
9 TMDS Data0- 19 Hot Plug Detect
10 TMDS Clock+

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HDMI 2
Pin No. Description Pin No. Description
1 TMDS Data2+ 12 TMDS Clock-
2 TMDS Data2 shield 13 CEC
3 TDMS Data2- 14 NC
4 TMDS Data1+ 15 SCL
5 TMDS Data1 shield 16 SDA
6 TMDS Data1- 17 DDC_Ground
7 TMDS Data0+ 18 +5V Power
8 TMDS Data0 shield 19 Hot Plug Detect
9 TMDS Data0- 20 SHLD_GND1
10 TMDS Clock+ 21 SHLD_GND2
11 TMDS Clock Shield
3.3 Compatible Mode Table
PC Input Signal Reference Chart
Connect a computer to your TV set and set up the computer output signal in accordance with table below.
Default computer mode
Standard Resolution Vertical Frequency(Hz)
VGA 720 x 400 70
SVGA 800 x 600 60
XGA 1024 x 768 60
WXGA(32”) 1360 x 768* 60
FHD(39”) 1920 x 1080* 60
*Recommended resolution
DVI/ PC HDMI Input Signal Reference Chart
1. When DVI port is being used: connect the DVI port of video device to your TV set with a DVI-to-HDMI line and set
up the output signal of the video device in accordance with table below.
2. When HDMI port is being used: connect the HDMI ports of your computer and TV set with one HDMI wire and set
up the output signal of the video device in accordance with table below.
Default computer Mode
Standard Resolution Vertical Frequency(Hz)
VGA 640 x 480 60
VGA 720 x 400 70

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SVGA 800 x 600 60
XGA 1024 x 768 60
WXGA(32”) 1360 x 768* 60
HD(39”) 1920 x 1080* 60
*Recommended resolution
Video Input Signal Reference Chart
1. Connect the component signal or HDMI port of video device to your TV set and set up the output signal of the video
device in accordance with table below.
2. If your computer display card supports signals of video format then you can set up following output signal.
Default Component or HDMI Mode
Standard Resolution Vertical Frequency (Hz)
SD 720 x 480i 60
SD 720 x 480p 60
SD 720 x 576i 50
SD 720 x 576p 50
HD 1280 x 720p 50
HD 1280 x 720p 60
HD 1920 x 1080i 50
HD 1920 x 1080i 60
FHD(39”) 1920 x 1080p 50
FHD(39”) 1920 x 1080p 60
Video systems supported by the TV, video modes
NTSC M, PAL M, PAL N.
Standard Definition Interface
You can also enjoy traditional program by using a DVD player or VCR Player. Connect this equipment to your TV via
the Composite Input on the back of your TV.

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4. Mechanical Instructions
LE32D1332
1. Remove the screws to remove BASE.
2. Remove the screws to remove HINGE.

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3. Remove the screws and Unplug PIN to remove REAR COVER
4. Remove the screws to remove SPEAKERS, MAIN BOARD and POWER BOARD.

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5. Remove the screws to remove BKT、DECO_BEZEL and IR BOARD.
6. The PANEL.
7. The DECO_BEZEL.