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23.6"Flat Wide Monitor AOC 2434Pw
Service
Service
Service
Horizontal Frequency
30-83 kHz
TABLE OF CONTENTS
Description Page Description Page
Table Of Contents..............................................1 5.2.Electrical Block Diagram.....................................18
Revision List.....................................................2 6.Schematic...........................................................20
Important Safety Notice......................................3 6.1.Main Board........................................................20
1.Monitor Specification.............................................4 6.2.Power Board................................................27
6.3.Key Board...................................................29
2.LCD Monitor Description....................................5
7.PCB Layout..........................................................30
3.Operation Instruction..............................................6
7.1.Main Board........................................................30
3.1.General Instructions.............................................6
7.2.Power Board.......................................................33
3.2.Control Buttons..............................................6
7.3.Key Board...........................................................36
3.3.Adjusting the Picture............................................7
8.Maintainability.......................................................37
4.Input/Output Specification....................................11 8.1.Equipments and Tools Requirement....................37
4.1.Input Signal Connector......................................11 8.2.Trouble Shooting................................................37
4.2.Factory Preset Display Modes..........................12 9.White-Balance,Luminance Adjustment.................43
4.3.Panel Specification.........................................13 10.Monitor Exploded View....................................45
5.Block Diagram......................................................16 11.BOM List...............................................................46
5.1.Software Flow Chart....................................16 12.Different Parts List.........................................58
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
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23.6"Flat Wide Monitor AOC 2434Pw
Revision List
Version Date Revision History TPV Model
A00 Mar.-05-2009 Initial Release HDRMNHNDXDACRZ
HDRMNHNBXDACRN
A01 Mar.-13-2009 Add new BOM
HDRMNHNLXDCKDZ
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23.6"Flat Wide Monitor AOC 2434Pw
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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23.6"Flat Wide Monitor AOC 2434Pw
1. Monitor Specification
Model number 2434Pw
Driving system TFT Color LCD
Viewable Image Size 599.4mm diagonal
Pixel pitch 0.2715mm(H) x 0.2715mm(V)
LCD Panel
Video R, G, B Analog lnterface & HDMI
Separate Sync. H/V TTL
Display Color 16.7M Colors
Dot Clock 156.750 MHz
Horizontal scan range 30 kHz - 83 kHz
Horizontal scan
521.28mm
Size(Maximum)
Vertical scan range 55 Hz - 75 Hz
Vertical scan Size(Maximum) 293.22mm
Optimal preset resolution 1920 x 1080 (60 Hz)
Highest preset resolution 1920 x 1080 (60 Hz)
Resolution Plug & Play VESA DDC2B/CI
Input Connector D-Sub 15pin &HDMI
Input Video Signal Analog: 0.7Vp-p(standard), 75 OHM, HDMI
Power Source 100~240VAC, 50/60Hz
Typical < 45 W
Power Consumption
Standby < 2 W
Speakers 2.5W x 2
Connector Type 15-pin Mini D-Sub &HDMI
Signal Cable Type Detachable
Height (with base) 405.3mm - 470.1mm
Physical Width 557 mm
Characteristics
Depth 213.8mm
Dimensions & Weight:
Weight (monitor
6.25 kg
only)
Weight (with
8.2 kg
packaging)
Operating 0