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18.5" LCD Monitor AOC F19s

Service
Service
Service

Horizontal Frequency
30- 80kHz
Table of Contents
Description Page Description Page

Table of Contents....................................................1 6.1.Main Board.......................................................18
Revision List...................................................................2 6.2.Power Board....................................................22
Important Safety Notice.................................................3
7.PCB Layout.........................................................24
1.Monitor Specification...................................................4
7.1.Main Board......................................................24
2.LCD Monitor Description.........................................5
7.2.Power Board.....................................................26
3.Operation Instruction.................................................7
3.1.General Instructions..................................................7 7.3.Key Board........................................................28
3.2.Control Buttons and Connections...............................7 8.Maintainability.....................................................29
3.3.OSD Settings............................................................8 8.1.Equipments and Tools Requirement..................29
4.Input/Output Specification........................................11 8.2.Trouble Shooting.............................................30
4.1.Input Signal Connector..........................................11
9. FOS Testing.............................................34
4.2.Factory Preset Display Modes................................11
10.Firmware and DDC Instruction.......................38
4.3.Panel Specification...........................................12
11.White-Balance,Luminance Adjustment...............49
5.Block Diagram............................................................16
5.1.Main Board.....................................................16 12.Monitor Exploded View......................................51
5.2.Power Board..................................................17 13.BOM List......................................................52
6.Schematic..........................................................18

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

1
Revision List

Version Release Date Revision History TPV Model Name

T8AAR5NKX8A1NNE
A00 Nov.-10-2010 Initial release
T8AAR5NEX8A1NNE

T8AAR5NPX8A1NNE
Add new models
T8AAR5NQX8A1NNE

A01 Jan.-12-2011 T8ACR5NCX8ACNNE
Add second Panel
T8ACR5NEX8A1NNE
(CPT CLAA185WA03)
T8ACR5NKX8A1NNE

T8ACR5NPX8A1NNE
A02 Feb.-22-2011 Add new models
T8ACR5NQX8A1NNE

2
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 may 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 radiation 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.)

3
1. Monitor Specifications
Model number F19s
Driving system TFT Color LCD
Viewable Image Size 470mm diagonal
Pixel pitch 0.3mm(H) x 0.3mm(V)
LCD Panel
Video R, G, B Analog lnterface
Separate Sync. H/V TTL
Display Color 16.7M Colors
Dot Clock 85.5 MHz
Horizontal scan range 30 kHz - 80 kHz
Horizontal scan Size(Maximum) 409.8mm
Vertical scan range 55 Hz - 75 Hz
Vertical scan Size(Maximum) 230.4mm
Optimal preset resolution 1360 x 768 (60 Hz) or 1366 x 768 (60 Hz)

Resolution Highest preset resolution 1366 x 768 (60 Hz)
Plug & Play VESA DDC2B/CI
Input Connector D-Sub 15pin
Input Video Signal Analog: 0.7Vp-p(standard), 75 OHM
Power Source 100-240VAC, 50/60Hz
Active < 25 W
Power Consumption
Standby < 1 W
Connector Type 15-pin Mini D-Sub
Signal Cable Type Detachable
Dimensions & Weight:
Physical Height (with base) 334.3 mm
Characteristics Width 445.8 mm
Depth 130.1mm
Weight (monitor only) 3.7 kg
Weight (with packaging) 4.8 kg
Temperature:
Operating 0