Adelpia TGL198AW-19 Service Manual
19” LCD Color Monitor Adelpia TGL198AW
Service
Service
Service
Horizontal Frequency
30KHz – 83KHz
TABLE OF CONTENTS
Description
Page Description Page
Table Of Contents.......……..……..........................…........1
Revision List.….............……..........................……......2
Important Safety Notice.…………....................……......3
1. Monitor Specification..............................………........4
2. LCD Monitor Description…………………………….......5
3. Operation Instruction…………...............……...........6
3.1 General Instructions...........................…...........6
3.2 Control Button…………….…..............……...............6
3.3 Adjusting the Picture...........................…............8
4. Input/Output Specification............……………............11
4.1 Input Signal Connector.................…………................11
4.2 Factory Preset Display Modes....................................13
4.3 Power supply features………………………………..…13
N
4.4 Panel Specification.....……………………....................14
5. Block Diagram……....................…….………................16
5.1 Software Flow Chart….………………………....….......16
SAFETY NOTICE
5.2 Electrical Block Diagram……..……………..….....…17
6.Schematic……………....................................…20
6.1 Main Board.…….....……..........................................20
6.2 Power Board..…………..……..................................24
6.3 Key Board..…………..……..................................26
7. PCB Layout..……………….......................................27
7.1 Main Board……………….........................................27
7.2 Power Board………....………...................................29
7.3 Key Board………………………………………………30
8. Maintainability………........................……...............31
8.1 Equipments and Tools Requirement………..............31
8.2 Trouble Shooting…….…………...............................32
9. White-Balance, Luminance adjustment.............38
10. Monitor Exploded View……...….……………............40
11. BOM List...……….....................................................42
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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19” LCD Color Monitor Adelpia TGL198AW
Revision List
Revision Date Revision History TPV Model
A00 Nov.-04-08 Initial Release T98MMANFX2UQHN
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19” LCD Color Monitor Adelpia TGL198AW
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.)
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19” LCD Color Monitor Adelpia TGL198AW
1. Monitor Specifications
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19” LCD Color Monitor Adelpia TGL198AW
2. LCD Monitor Description
The LCD MONITOR will contain a main board, a power board and a key board which house the flat panel control logic,
brightness control logic and DDC.
The power board will provide AC to DC Inverter voltage to drive the backlight and the main board chips each voltage.
(Contains Adapter, Inverter)
Power Board
AC IN
100V ~ 240V
Monitor Block Diagram
CCFL Drive.
Main Board
Key board
Flat Panel and
CCFL backlight
RS232 Connector
For white balance
adjustment in factory
mode
Video signal, DDC
HOST Computer
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19” LCD Color Monitor Adelpia TGL198AW
3. Operating Instructions
3.1 General Instructions
Press the power button to turn the monitor on or off. The other control buttons are located in the bottom of the bezel. By
changing these settings, the picture can be adjusted to your personal preferences.
The power cord should be connected.
-
Connect the video cable from the monitor to the video card.
-
Press the power button to turn on the monitor, the power indicator will light up.
-
3.2 Control Button
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19” LCD Color Monitor Adelpia TGL198AW
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19” LCD Color Monitor Adelpia TGL198AW
3.3 Adjusting the Picture
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19” LCD Color Monitor Adelpia TGL198AW
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19” LCD Color Monitor Adelpia TGL198AW
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19” LCD Color Monitor Adelpia TGL198AW
4. Input/Output Specification
4.1 Input Signal Connector
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19” LCD Color Monitor Adelpia TGL198AW
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19” LCD Color Monitor Adelpia TGL198AW
4.2 Preset operating modes
4.3 Power Supply Features
• A/C Line voltage range: 90 V - 264 V
• A/C Line frequency range: 50 Hz - 60Hz
• Current: 1.5 A max. at 100V/1.5A max. at 240V
• Peak surge current: < 55 A peak at 240 V AC and cold starting
< 1.5 mA for power from PC-outlet
• Leakage current:
< 3.5 mA for power from Wall-outlet
No adverse effects (no loss of information or defect) with a
• Power line surge:
maximum of 1 half wave missing per second
Power factor correction According to EN 61000-3-2
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19” LCD Color Monitor Adelpia TGL198AW
4.4 Panel Specification
Overview
M190Z1-L01 is a 19” wide TFT Liquid Crystal Display module with 4 CCFL Backlight unit and 30 pins
2ch-LVDS interface. This module supports 1680 x 1050 WSXGA+ mode and can display 16.7M colors.
The inverter module for Backlight is not built in.
Features
- Super Wide viewing angle.
- Super High contrast ratio
- Super fast response time
- High color saturation
- WSXGA+ (1680 x 1050 pixels) resolution
- DE (Data Enable) only mode
- LVDS (Low Voltage Differential Signaling) interface
- RoHS Compliance
4.4.1 General Specifications
4.4.2Mechanical Specifications
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19” LCD Color Monitor Adelpia TGL198AW
4.4.3 Electrical Characteristics
4.4.4 Optical Characteristics
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19” LCD Color Monitor Adelpia TGL198AW
5. Block Diagram
5.1 Software Flow Chart
1
Y
2
N
4
N
5
Y
6
3
N
7
Y
9
N
10
Y
N
12
Y
14
11
13
15
17
8
N
Y
N
16
Y
18
N
19
Y
16
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