Hyundai HLCD-32ZT4 User manual

32″LCD TV Hyundai HLCD-32ZT4
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Service
Service
Service
Horizontal Frequency
31KHz-60KHz
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.
6. White Balance Luminance Adjustment….…….......26
7. PCB Layout ………….………………….…....….......27
7.1 Main Board.………..........................................27
7.2 Power Board………..…..…..............................30
7.3 IR Board….………..................….......................33
7.4 Key Board……….....….......................... ...... ...... ..34
8. Block Diagram.……….….........................................35
9. Schematic Diagram……………...…………………...36
9.1 Main Board……………..…..………………………..36
9.2 Power Board..............….....................................52
10.Exploded View………………….....................…..53
11.BOM List…............................................................55
12.Different Parts List…..............................................85
Table Of Contents.......……..............................…........1
Important Safety Notice……….……………………….……2
Revision List.…........................................……......3
1. Monitor Specification.................................………........4
2. Operating Instructions……………...……….……….......5
2.1 The Use Of Remote Control..……………...................5
2.2 Front Panel Control Knobs.…...............……...............6
2.3 OSD Operations…...………........................…............7
2.4 How To Connect.……….….……......………..............14
3 Input/Output Specification…………..........................15
3.1 Input Signal Connector……......................................15
3.2 RGB Input Signal Timing …….....……......................16
4. Mechanical Instructions………………...…..................17
5. Repair Flow Chart ……………………….……….....21
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

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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 TPV Model
E327AZNSBWH2NN
A00 Nov-30-2007 Initial Release
E327AZNSBWH5NN

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1. Monitor Specification
Item Specification
Screen Size 32” TFT-LCD Panel
Aspect Ratio 16 : 9
Resolution 1366 x768 (XGA)
Display Area 697.685 (H) x 392.256(V)
Pixel Pitch 0.51075 mm (H) X 0.51075 mm
Display Colors 16.7 million
Lamp Type/Life 60000 hr
LCD Panel
Color Temperature Cool / Warm/Normal
VGA Function Input support
definition
Could support to 1360*768
This product could only support to 60Hz, ‘Input out of range’
will displayed when the input vertical frequency out of 60Hz
TV Standard ATSC
Sound System MTS
TV Function
Color systems NTSC
AV RCA x 1
S-VIDEO S-Videox 1
Audio L/R x 1
Video Input
Component YPbPr x 1 Audio L/R x 1
Speaker (built-in): Two 10 watt speakers
Audio output Audio output: L / R
Headphone Mini-jack for stereo (3.5ø)
Table Stand Yes
Wall Mount VESA 100 x 100 mm
Power AC100V-240V, 50/60Hz
Power
Power Consumption <180W
Temperature + 0 °C ~ + 40 °C
storage - 10 °C ~ + 50 °C
Environment
operating 10% ~ 85%
Dimension W x H x D (without
stand) 805.90 x 604.95 x 238.29 (mm)
Net weight Without accessory 12 Kg
Accessory Remote controller, Batteriesx2, Power cord, Signal Cable,
Audio Cable, User manual

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2. Operations Instructions
2.1 The Use of Remote Control

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2.2 Front Panel Control Knobs

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2.3 OSD Operations

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2.4 How to Connect

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3. Input/ Output Specification
3.1 Input Signal connector
This procedure gives you instructions for installing and using the LCD TV display.
Lay the display on the desired operation and plug the power cord into a convenient AC outlet. Three-wire power cord
must be shielded and is provided as a safety precaution as it connects the chassis and cabinet to the electrical
conduct ground. If the AC outlet in your location does not have provisions for the grounded type plug, the installer
should attach the proper adapter to ensure a safe ground potential.
Connect the 15-pin D-SUB color display shielded signal cable to your signal system device and lock both screws on
the connector to ensure firm grounding. The connector information is as follow:
1
6
11 15
5
10
15 - Pin Color Display
Pin No. Description
1 Red Video
2 Green Video
3 Blue Video
4 SCL (Remote Control)
5 GROUND
6 Red Ground
7 Green Ground
8 Blue Ground
9 No Pin!
10 Sync Ground
11 SDA (Remote Control)
12 Serial Data for DDC
13 H-Sync.
14 V-Sync.
15 Serial Clock for DDC
Apply power to the display by turning the power switch to the "ON" position and allow about ten seconds for Panel
warm-up. The Power-On indicator lights "GREEN" when the display is on.
With proper signals feed to the display, a pattern or data should appear on the screen, adjust the brightness and
contrast to the most pleasing display, or press auto-adjust to get the best picture-quality.
This TV (with PC function) has power saving function following the VESA DPMS. Be sure to connect the signal
cable to the PC.
If your TV requires service, it must be returned with the power cord.

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3.2 RGB Input Signal Timing
VESA MODES
Horizontal Vertical
Mode Resolution Total
Nominal
Frequency
(KHz)
Sync
Polarit
y
Nominal
Freq.
(Hz)
Sync
Polarity
Nominal
Pixel
Clock
(MHz)
640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175
640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500
VGA
640x480@75Hz 840 x 500 37.5 N 75 N 31.500
800x600@56Hz 1024 x 625 35.156 P 56.25 P 36.000
800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000
800x600@72Hz 1040 x 666 48.077 P 72.188 P 50.000
SVGA
800x600@75Hz 1056 x 625 46.875 P 75 P 49.5
1024x768@60Hz 1344x806 48.363 N 60.004 N 65.000
1024x768@70Hz 1328x806 56.476 N 70.069 N 75.000
XGA
1024x768@75Hz 1312x800 60.023 P 75.029 P 78.750
WXGA 1360x768@60Hz 1792x795 47.712 P 60.015 P 85.5

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4. Mechanical Instructions
Step Figure Description
Preparation
Lay the
LCD-TV on a
flat, soft and
clean
surface.
Remove
the stand.
Remove the
screws
remarked on
red to
remove the
stand.
Remove
rear cover.
Remove the
screws
marked in
red to
remove the
rear cover.

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Remove
shield
cover.
Remove the
screws
marked in
red to
remove the
shield cover.
Remove IO
BKT.
Remove the
screws in red
marked to
remove IO
BKT.

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Remove
the main
board,
power
board.
Remove the
screws
marked in
red to
remove the
main board,
power
board .
Remove
Speakers.
Remove the
screws
marked in
red to
remove
the
speakers
and the
side board.
Remove
the PCB
BKT
Remove the
screws
marked in
red to
remove the
PCB BKT.

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Remove
the PANEL
BKT(L and
R)
Remove the
screws
marked in
red to
remove the
PANEL
BKT(L and
R)
The end
N/A