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22" LCD Color Monitor Adelpia TGL2200A
Service
Service
Service
Horizontal Frequency
31KHz-82KHz
TABLE OF CONTENTS
Description Page Description Page
Table Of Contents..........................................................1 5.2 Electrical Block Diagram.....................................18
Important Safety Notice...............................................2 6.Schematic......................................................20
Revision List.................................................................3 6.1 Main Board..............................................................20
1.Monitor Specifications..................................................4 6.2 Power Board........................................................24
2.LCD Monitor Description........................................5 6.3 Audio Board........................................................26
3.Operation Instruction............................................6 7.PCB Layout......................................................27
3.1 General Instructions.....................................................6 7.1 Main Board...........................................................27
3.2 Control Buttons........................................................6 7.2 Power Board........................................................29
3.3 Adjusting the Picture...................................................9 7.3 Key Board...........................................................31
4.Input/Output Specification.......................................11 8.Maintainability.......................................................32
4.1 Input Signal Connector............................................11 8.1 Equipments and Tools Requirement......................32
4.2 Factory Preset Display Modes..........................13 8.2 Trouble Shooting..................................................32
4.3 Power Supply Requirement..................................13 9.White-Balance, Luminance adjustment.............38
4.4 Panel Specification..................................................14 10. Monitor Exploded View.......................................39
5.Block Diagram.........................................................16 11.BOM List...............................................................40
5.1 Software Flow Chart.............................................16
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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22" LCD Color Monitor Adelpia TGL2200A
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 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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22" LCD Color Monitor Adelpia TGL2200A
Revision List
Version Date Revision History TPV Model Name
A00 Jan.-23-07 Initial Release TC6MM1NFWTUGNP
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22" LCD Color Monitor Adelpia TGL2200A
1. Monitor Specifications
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22" LCD Color Monitor Adelpia TGL2200A
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 Inverter board will drive the backlight of panel and DC-DC conversion.
Monitor Block Diagram
CCFL Drive.
Flat Panel and
CCFL Backlight
RS232 Connector
Power Board Main Board For white balance
adjustment in factory
mode
Key board
HOST Computer Video signal, DDC
AC-IN
100V-240V
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22" LCD Color Monitor Adelpia TGL2200A
3. Operating Instructions
3.1 General Instructions
Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the
monitor. 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 position. The power indicator will light up.
3.2 Control Buttons
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22" LCD Color Monitor Adelpia TGL2200A
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22" LCD Color Monitor Adelpia TGL2200A
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22" LCD Color Monitor Adelpia TGL2200A
3.3 Adjusting the Picture
THE DESCRIPTION FOR CONTROL FUNCTION:
Main
Main Menu Sub Menu
Menu Sub Menu Icon Description
Item Item
Icon
Contrast Contrast from Digital-register.
Luminance
Brightness Backlight Adjustment
Focus Adjust Picture Phase to reduce Horizontal-Line noise
Image
Setup
Clock Adjust picture Clock to reduce Vertical-Line noise.
H. Position Adjust the horizontal position of the picture.
Image
Position
V. Position Adjust the vertical position of the picture.
Warm N/A Recall Warm Color Temperature from EEPROM.
Cool N/A Recall Cool Color Temperature from EEPROM.
sRGB N/A Recall sRGB Temperature from EEPROM.
Color
User / Red Red Gain from Digital-register.
Temp.
User / Green Green Gain Digital-register.
User / Blue Blue Gain from Digital-register.
Input Analog N/A Select input signal from analog source (D-Sub)
Select
Digital N/A Select input signal from digital source (DVI)
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22" LCD Color Monitor Adelpia TGL2200A
H. Position Adjust the horizontal position of the OSD.
OSD Setup V. Position Adjust the vertical position of the OSD.
OSD Timeout Adjust the OSD timeout.
Language Language N/A Select the language you like.
Show the resolution, H/V frequency and input port of
Information Information N/A
current input timing.
Yes N/A Clear each old status of Auto-configuration.
Reset
No N/A Do not execute reset, return to main menu.
Exit N/A N/A Exit OSD
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22" LCD Color Monitor Adelpia TGL2200A
4. Input/Output Specification
4.1 Input Signal Connector
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22" LCD Color Monitor Adelpia TGL2200A
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22" LCD Color Monitor Adelpia TGL2200A
4.2 Factory Preset Display Modes
4.3 Power Supply Requirement
A/C Line voltage range 100 V ~ 240 V
A/C Line frequency range 50 ± 3Hz, 60 ± 3Hz
Peak surge current < 55A peak at 240 VAC and cold starting
Leakage current < 3.5mA
No advance effects (no loss of information or defect)
Power line surge
with a maximum of 1 half-wave missing per second
DC output Voltage 12VDC± 5
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22" LCD Color Monitor Adelpia TGL2200A
4.4 Panel Specification
The M220Z1-L01 model is a 22 inch wide TFT-LCD module with a 4-CCFL Backlight Unit and a 30-pin 2ch-LVDS
interface. This module supports 1680 x 1050 WSXGA+ (16:10 wide screen) mode and displays up to 16.7 millions
colors. The inverter module for the Backlight Unit is not built in.
4.4.1 General Features
4.4.2 Optical Characteristics
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22" LCD Color Monitor Adelpia TGL2200A
4.4.3 Electrical Characteristics
TFT LCD MODULE
BACKLIGHT UNIT
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22" LCD Color Monitor Adelpia TGL2200A
5. Block Diagram
5.1 Software Flowing Chart
1
Y
2 3
N
4
N
5
Y
6
N
7 8
Y
9
N
10 11
Y
N N
12 13
Y Y
N
14 15 16
Y
17
N
18 19
Y
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22" LCD Color Monitor Adelpia TGL2200A
REMARK:
1) MCU initializes.
2) Is the EPROM blank?
3) Program the EPROM by default values.
4) Get the PWM value of brightness from EPROM.
5) Is the power key pressed?
6) Clear all global flags.
7) Are the AUTO and SELECT keys pressed?
8) Enter factory mode.
9) Save the power key status into EPROM.
Turn on the LED and set it to green color.
Scalar initializes.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog port, are they're any signals coming?
13) Does the scalar send out an interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog port?
16) Display "No connection Check Signal Cable" message. And go into standby mode after the message
disappears.
17) Program the scalar to be able to show the coming mode.
18) Process the OSD display.
19) Read the keyboard. Is the power key pressed?
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22" LCD Color Monitor Adelpia TGL2200A
5.2 Electrical Block Diagram
5.2.1 Main Board
Panel Interface
(CN101)
Scalar TSUMU58WJ-LF Key Control
Flash Memory (Include MCU, ADC, OSD) Interface
PM25LV010-25 SCE (U401) (CN403)
(U402)
SDA
SCL
H sync D-Data
Crystal V sync D-Clock
EEPROM
14.318MHZ RGB
24LC16B
(X401)
(U403)
D-Sub DVI
Connector Connector
(CN405) (CN406)
VGA_SDA, DVI_SDA,
VGA_SCL DVI_SCL
EEPROM EEPROM
M24C02 M24C02
(U404) (U405)
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22" LCD Color Monitor Adelpia TGL2200A
5.2.2 Power Board
AC input Bridge Rectifier
Rectifier Transformer diodes
EMI filter
and Filter
Start Circuit: R927R928R929 CN903
5V
Feedback
PWM
Control IC Circuit
12V
24V
ON/OFF
Output
Circuit MOSFET
Transformer
Lamp
Feedback Over ON/OFF
Voltage PWM Control
Circuit DIM
Control IC
DIM
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22" LCD Color Monitor Adelpia TGL2200A
6. Schematic
6.1 Main Board
715G2186-1
+5V
VCTRL 4
R702
+5V SOT-223 +3V3
3,4 +5V
51 1/10W
U701
3 2 D704 VCC1.8
VI VO SR24 VCC3.3 C702
TO-263 4.7uF/50V +
GND
VCC1.8 4
C701 C703 + C704 U702
NC NC 3 2 D701
NC VIN VOUT VCC3.3 4
0.1uF
1
1
ADJ + C712 C714 GS1D
C713 AIC1084-33PM Q702 R703
0.1uF 100uF/25V 0.1uF PZT2907A 2K 1/10W
D702
LL4148
+12V
+5V
+5V
+12V
R704
+5V 3,4
Reservation schematic- R701 100 1/10W VCC3.3
2
for blacklight off have 1K 1/10W
L702
panel on solution. VCC3.3 4
120 OHM CN701
R705 R706 NC
GND 1 2 4.7K 1/10W
GND 3 4 BL_ADJ
1
5 6 +12V +5V
R709 15K 1/10W
GND 7 8 GND + C722 C708 Q701 R707
Adj_BACKLIGHT 4
C706 C707 9 10 NC PMBS3904 4.7K 1/10W
R713 NC
+ GND 11 12 GND 22uF/50V
0.1uF NC
R708 +5V
10K 1/10W
C709 + C710 CONN R710 NC
100uF/25V
0.1uF R711
10K 1/10W
Q703 R712
on_BACKLIGHT 4
C711 PMBS3904 4.7K 1/10W
0.1uF
+3V3 +5V +3V3
VLCD
VLCD 5
R714
10K 1/10W R715 +5V +3V3
R716 R717 NC
NC 10K 1/10W
Q704
R723 AO3401 R722
R721
R725 4.7K 1/10W 10K 1/10W C719 0 1/10W NC
Q706
4 on_Panel
NC 0.1uF
C715 Title
C718
Q705
PMBS3906 C717
+ R727
10K 1/10W
POWER
100uF/25V Size Document Number Rev
NC 0.022uF Custom
715G2186-1 B
Date: Thursday , October 12, 2006 Sheet 2 of 5
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22" LCD Color Monitor Adelpia TGL2200A
17
CN405
11 1 RED+ FB410 0 1/10W R434 56 1/10W C432 0.047uF
RIN 4
6 RED-
12 2 GREEN+ FB411 0 1/10W R435 56 1/10W C433 0.047uF
GIN 4
7 GREEN-
13 3 BLUE+ FB412 0 1/10W R436 56 1/10W C434 0.047uF
BIN 4
8 BLUE-
14 4 PC5V R437 470 1/10W C435 0.001uF
75 1/10W
75 1/10W
SOG 4
9 PC5V R438
R440
15 5 VGA_CON
R439
10 75 1/10W
DB15 R441 100 1/10W C436 0.047uF
16 GNDR 4
R442 100 1/10W C437 0.047uF
GNDG 4
R443 100 1/10W C438 0.047uF
GNDB 4
3
3
3
D403 D404 D405 +5V
2
BAV99 BAV99 BAV99
D406
+5V 2,4
ZMM5V6 ESD_5V
R444
10K 1/10W
1
2
1
2
1
2
1
C439 C440 C441
0.047uF 0.047uF 0.047uF
R445 100 1/10W +5V PC5V
DET_VGA 4
1
2
HSI FB409 430 OHM R446 1K 1/10W
HSY NC 4
D407
VSI R447 1K 1/10W BAV70
VSY NC 4
2
2
2
R448 C442 R449 C443 R452
3
D408 D409 D410 10K 1/10W
ZMM5V6 ZMM5V6 2.2K 1/10W 22pF 2.2K 1/10W 220pF ZMM5V6
R450 R451 C444
10K 1/10W 10K 1/10W U404
8 1 0.1uF
1
1
1
7 VCC A0 2
SCL_VGA R453 100 1/10W 6 WP A1 3
SDA_VGA R454 100 1/10W 5 SCL A2 4
SDA GND
+5V M24C02-WMN6TP
4 DDCA_SDA
2
2
CN406
4 DDCA_SCL
D411 D412
25 R471 ZMM5V6 ZMM5V6
R DDC_WP 4
26
G 27 10K 1/10W +5V DVI5V
B 29
1
1
RGB GND
1
2
28
HSY NC 8
VSY NC 15 R458 100 1/10W DVI5V D413
SY NC GND DET_DVI 4
6 SCL_DVI R455 100 1/10W BAV70
DDC SCL 7 SDA_DVI R456 100 1/10W
DDC SDA 14 DVI5V R457 10K 1/10W
+5V 16 HPD
3
HPD R401
2
2
2
2
11 Q406 NC
1/3shield HDCP_RST 4
3 R472 D426 D414 D415 D416 C445 NC R459 R460
R461 C446
2/4shield 19 10K 1/10W U405
0/5shield ZMM5V6 ZMM5V6 ZMM5V6 ZMM5V6
22 NC 0.1uF 10K 1/10W 10K 1/10W 8 1 0.1uF
clk shield 7 VCC A0 2
18 DAT0+ R462 10 1/10W 6 WP A1 3
1
1
1
1
DAT0+ B+ 4 SCL A2
17 DAT0- R463 10 1/10W 5 4
DAT0- B- 4 SDA GND
10 DAT1+ R464 10 1/10W
DAT1+ G+ 4
9 DAT1- R465 10 1/10W M24C02-WMN6TP
DAT1- G- 4
2 DAT2+ R466 10 1/10W
DAT2+ R+ 4 4 DDCD_SDA
1 DAT2- R467 10 1/10W
DAT2- R- 4 4 DDCD_SCL
13
DAT3+ 12
DAT3- DDC_WP 4
5
DAT4+ 4
DAT4- 21 +5V
DAT5+ 20 R473
DAT5- 23 DCLK+ R468 10 1/10W
clk+ CLK+ 4
24 DCLK- R469 10 1/10W NC
GND
GND
clk- CLK- 4
R470
3
3
3
3
3
3
3
3
JACK D417 D418 D419 D420 D421 D422 D423 D424 1K 1/10W
32
31
BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99 BAV99
ESD_5V
C447 C448 C449 C450 C451 C452 C453 C454
2
Title
D425
INPUT
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF RLZ36B