AOC AT2241S User manual

Service Manual AT2241S
1
LCD 显示器维修手册
Custom：AOC
Model：AT2241S

Service Manual AT2241S
2
REVISION LIST
Version Release Date Revision History Model TPV Model No
A00 Jun-30-2010 Initial Release AT2241S TC9GNTNYWVA2H4J

Service Manual AT2241S
3
CONTENTS
1. LCD Specifications -------------------------------------------------------------------------------------------------------- 4
1.1 Product Features---------------------------------------------------------------------------------------------------------4
1.2 Factory Preset Timing --------------------------------------------------------------------------------------------------5
2. Operation Instruction ----------------------------------------------------------------------------------------------------- 6
2.1 Control Button ------------------------------------------------------------------------------------------------------------6
2.2 OSD Menu Adjusting----------------------------------------------------------------------------------------------------7
2.3 OSD Lock Function------------------------------------------------------------------------------------------------------7
3. Interface description ------------------------------------------------------------------------------------------------------ 8
3.1 VGA interface-------------------------------------------------------------------------------------------------------------8
3.2 DVI interface--------------------------------------------------------------------------------------------------------------8
3.3 USB interface-------------------------------------------------------------------------------------------------------------9
4. Panel Feature ---------------------------------------------------------------------------------------------------------------10
4.1 General Specifications--------------------------------------------------------------------------------------------------10
4.2 Electrical Absolute Ratings --------------------------------------------------------------------------------------------10
4.3 Electrical Characteristics-----------------------------------------------------------------------------------------------10
4.4 Optical Characteristics--------------------------------------------------------------------------------------------------11
4.5 TFT LCD Module Block Diagram-------------------------------------------------------------------------------------12
4.6 LCD module input terminal pin assignment------------------------------------------------------------------------12
5. Block diagram--------------------------------------------------------------------------------------------------------------- 13
5.1 LCD Block diagram------------------------------------------------------------------------------------------------------13
5.2 Main board Block diagram---------------------------------------------------------------------------------------------13
5.3 Power board Block diagram-------------------------------------------------------------------------------------------14
5.4 LCD software flow chart------------------------------------------------------------------------------------------------15
6. Circuit Schematic---------------------------------------------------------------------------------------------------------- 16
6.1 Main board ---------------------------------------------------------------------------------------------------------------16
6.2 Power board --------------------------------------------------------------------------------------------------------------22
6.3 Invweter part --------------------------------------------------------------------------------------------------------------23
6.3 Key board------------------------------------------------------------------------------------------------------------------24
7. Monitor exploded view----------------------------------------------------------------------------------------------------25
8. PCB Layout ------------------------------------------------------------------------------------------------------------------ 28
8.1 Main board ----------------------------------------------------------------------------------------------------------------28
8.2 Power board --------------------------------------------------------------------------------------------------------------30
8.3 Key board------------------------------------------------------------------------------------------------------------------31
9. Maintainability ---------------------------------------------------------------------------------------------------------------- 32
9.1 Maintainability Requirement-------------------------------------------------------------------------------------------32
9.2 Trouble Shooting---------------------------------------------------------------------------------------------------------32
9.3 Factory mode OSD -----------------------------------------------------------------------------------------------------36
9.4 DDC re-wirting step------------------------------------------------------------------------------------------------------37
9.5 Roft re-wirting step-------------------------------------------------------------------------------------------------------40
10. BOM List---------------------------------------------------------------------------------------------------------------------- 44
10.1 TC9GNTNYWVA2H4J BOM-------------------------------------------------------------------------------------------44

Service Manual AT2241S
4
1. LCD Specifications
1.1 Product Features
Monitor Model AOC AT2241S4in1package
LCD Panel
Driving system TFT Color LCD
Active Display Area 558.67mm（21.995inch）diagpnal
473.76mm (W)×296.15mm(H)
Pixel Pitch 0.282 mm×0.282mm
Display Colors 16.7M Colors
Max. Resolution 1680 x 1050@60Hz
Input
Video R,G,B Analog Interface，75ohm,0.7V
DVI digital Interface, 150mV-1200mV
Separate Sync. H/V TTL
H-Frequency 30kHz—81kHz
V-Frequency 56Hz--75Hz
Dot Clock 165MHz
Plug & Play VESA DDC2B /CI
Connector D-Sub 15pin
DVI -D 24pin
USB HUB 1 upstream, 1 downstream 2.0
Power Consumption ON Mode <35W
Power Saving Mode <0.5W
Switch OFF <0.1W
Power Source 90~264VAC,47~63Hz, 1.5A Max supply current
Dimensions(including stand) 522.3mm×413.3mm×186.8mm
Weight (N. W.): 4.35kg
Environmental
Considerations
Operating Temp: 0° to 40°C
Storage Temp.: -20° to 60°C
Operating Humidity : 8% to 80%
Altitude:
Operating ：0~ 3000m (0~ 10000 ft )
Non-Operating：0~ 5000m (0~ 15000 ft )
Safety FCC B CCC IEC950CB etc.

Service Manual AT2241S
5
1.2 Factory preset modes
STANDARD RESOLUTION HORIZONTAL
FREQUENCY VERTICAL FREQUENCY
DOS-mode 640 × 480 35.00kHz 66.667Hz
720 × 400 31.469kHz 70.087Hz
Mac-mode 832 ×624 49.725kHz 74.55Hz
VGA
640×480 31.469kHz 59.94Hz
640×480 37.861kHz 72.80Hz
640 × 480 37.50kHz 75.00Hz
SVGA
800 × 600 35.16kHz 56.25Hz
800 × 600 37.879kHz 60.317Hz
800 × 600 48.07kHz 72.188Hz
800 × 600 46.875kHz 75Hz
XGA
1024 × 768 48.363kHz 60Hz
1024 × 768 56.476kHz 70Hz
1024 × 768 60kHz 75Hz
SXGA 1280 × 1024 63.981kHz 60Hz
1280 × 1024 79.976kHz 75Hz
WXGA 1440 × 900 55.93kHz 59.88Hz
1440 × 900 55.469kHz 59.90Hz
WSXGA 1680 × 1050 65.29kHz 59.95Hz
1680 × 1050 64.67kHz 59.88Hz

Service Manual AT2241S
6
2. Operation instruction
Generalization
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 video card of PC to the monitor.
Press the power button to turn on the monitor, the power indicator will light up.
2.1 Control Buttons
Control Description
1 Power Button To turn ON/OFF the moniteor, and power indicator
(Green/Blue and Amber/Orange).
2 Menu / Enter
Active main menu while no OSD display,enter next level on
main menu or sub menu status, or enter last level on
adjustment bar..
Hotkey ,exit
34:3 or wide/ +
Hotkey,Audio volume adjust for VA ,or chang 4:3 or wide
image ratio for SA .
OSD, increase current value of bar, or move to next item of
menu
4 ECO mode(DCR)/ -
If there is no OSD,select the ECO mode of brightness and
DCR.
OSD, it will decrease current value of bar, or it will move to
last item of menu.
5 Auto / Exit
If there is no any OSD, select video source(DVI/RGB).
Press hold to 2s , it is auto configuration.
Exit current OSD and return to last level.

Service Manual AT2241S
7
2.2 OSD User mode adjustment
a) OSD Menu adjustment steps:
1.Press MENU button to display OSD main menu of as below, Press Left button or Right button may select other
main Menu.
2. Press MENU button to adjust items of each main menu.
3. Press Left button or Right button may select item you wish to enter.
4. Press MENU button to enter, and press Left button or Right button to adjust item you select.
5. Press EXIT button may back previous menu.
6. Repeat steps 2-5 to adjust an additional item, or select the EXIT button to return to previous menu.
2.3 OSD Lock Function
Press “menu” and hold,with turn on “Power”, the OSD menu is locked. Again, the OSD menu is non-locked.
For the OSD menu other function ,Please refer to “user manual” .

Service Manual AT2241S
8
3.Interface description
3.1 VGA 15pin Connector
Pin No. Description Pin No. Description
1. Red Input 9. +5VDC
2. Green Input 10. Logic GND
3. Blue Input 11. N/A
4. N/A 12. SDA- DDC-Serial Data
5. Connection detect 13. H Sync
6. Red GND 14. V Sync
7. Green GND 15. SCL- DDC-Serial Clock
8. Blue GND
VGA Connector layout
1
5
6
10
11
15
3.2 DVI Connector
Pin No. Description Pin No. Description
1. TMDS Data 2- 13. TMDS Data 3+
2. TMDS Data 2+ 14. +5V Power
3. TMDS Data 2/4 Shied 15. Ground (for +5V)
4. TMDS Data 4- 16. Hot Plug Detect
5. TMDS Data 4+ 17. TMDS Data 0+
6. DDC Clock 18. TMDS Data 0-
7. DDC Data 19. TMDS Data 0/5 Shield
8. N.C. 20. TMDS Data 5-
9. TMDS Data 1- 21. TMDS Data 5+
10. TMDS Data 1+ 22. TMDS Clock Shield
11. TMDS Data 1/3 Shield 23. TMDS Clock+
12. TMDS Data 3- 24. TMDS Clock-
DVI Connector layout

Service Manual AT2241S
9
3.3 USB(up+down) port
Bottom View
Top View

Service Manual AT2241S
10
4. Panel Feature
The Panel-LM220WE1-TLP1 is a 22 inch wide TFT-LCD module with an intergral CCFL Backlght unit and a 30-pin
2ch –LVDS interface . This module supports 1680×1050 WSXGA+ resolution. and displays up to 16.7 millions
colors.The converter module for the Backlight Unit is not built in.
4.1 General Specifications
4.2 Electrical Absolute Ratings
4.3 Electrical Characteristics
a) TFT LCD module

Service Manual AT2241S
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b) Backlight unit
4.4 Optical Specifications

Service Manual AT2241S
12
4.5 TFT LCD Module Block Diagram
4.6 LCD module input terminal pin assignment
Connector diagram

Service Manual AT2241S
13
5.Block Diagram
5.1 LCD Block Diagram
5.2 MainBoard Block Diagram---715G3737
Crystal 12MHz
(X401)
Panel Interface
(CN408/409)
Scalar NT68668FG-QFG-128
(Include ADC, OSD, MCU)
(U401)
D-Sub
Connector
(CN101)
EEPROM
PM25LD020C
(U402)
H sync
V sync
Key Board
Control
(CN401/402)
Voltage converter
5V
5V 3.3V 1.8V
DVI
Connector
(CN102)
DC-AC inverter
AC-DC(5V/12V)
Power Board
Main Board
Key board
PC- VGA
/DDC
2 CCFL backlight
Panel
LVDS
AC supply
90V-264V
Monitor Block Diagram
PC- DVI
/DDC
Input signal
USB
HUB
USB cable
From PC
USB
Memory

Service Manual AT2241S
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5.3 Power Board Block Diagram
Fuse
EMI
Rectifier
Smoothing
Capacitor
C907
Transformer
T901
MOS
Q901
IC-PWM
IC901
16V
Rectifier
5V
Rectifier
16V
5V
Sense
resistor
Vcc
Rectifier
regulating
Sampling
PhotoCoupler
Vcc
Open Lamp Protection
16V DC
5V
DIM
DC-AC
Transformer
T801
High Voltage
Output
Resonance NET
Switching MOS
Q805-Q806
AO4620
AC input
100-240V
2- CCFL
PWM Control IC
IC801-TA9687
Current Sampling
Power part
Inverter part
Power/ inverter Board Block Diagram

Service Manual AT2241S
15
5.4 Software Flow Chart
Start
Initial_MCU
Check if DataBuffer Is blank
Check if Sum is changed ?
To Write default values
Read parameter_from Buffer
PowerHandler
Init_GlobalVariables
Initial_MCU Device
while
InputTiming
ModeHandler
MenuHandler
DebugHandler
if standby mode?
Brightness
Contrast
Language
InputType
InputTimingStableCounter
OsdCounter
PowerDownCounter
LED turn-on
Show power on logo
if factory mode?
No signal message
UnsupportModeFlag
END
OSD Menu
Software Flow Chart
InputTiming
Phaes/Frequency
Image setup
Color
O
Enter factory mode OSD
Y
N
Y

Service Manual AT2241S
16
6. Circuit Schematic
6.1 Main Board 1---715G3737-M01
Audio_EN
DDCSCL1
VCC3.3
05.PANEL INTERFACE
05.PANEL INTERFACE
VLCD
PA[0..9]
PB[0..9]
02.INPUT
02.D-SUB INPUT
R0+
R0-
SOG_DET
G0+
G0-
B0+
B0-
+5V
AHS0
AVS0
DDCSCL1
DDCSDA1
EDID_WP
VGA_CABLE_DET
RX2+
+5V
RX1+
RX0-
DDCSDA2
Audio_DET
G0+
DDCSCL2
B0+
RXC+
DVI_CABLE_DET
PS_EN
+5V
EDID_WP
B0-
SOG_DET
EDID_WP
VLCD
Panel_ON
PB[0..9]
AVS0
RX2-
VCC1.8
R0+
RX0+
VLCD
EDID_WP
04.SCALER
04.SCALER
Adj_BACKLIGHT
on_BACKLIGHT
Audio_EN
Audio_DET
PS_EN
Panel_ON
PB[0..9]
PA[0..9]
R0+
R0-
SOG_DET
G0+
G0-
B0+
B0-
AHS0
AVS0
DDCSCL1
DDCSDA1
EDID_WP
VGA_CABLE_DET
RXC+
RXC-
RX2-
RX2+
RX1+
RX1-
RX0-
RX0+
DDCSCL2
DDCSDA2
DVI_CABLE_DET
DVI_HPD
VCC1.8
VCC3.3
+5V
R0-
PA[0..9]
Adj_BACKLIGHT
RXC-
VCC3.3
06.POWER
06.POWER
Adj_BACKLIGHT
on_BACKLIGHT
Audio_EN
Audio_DET
PS_EN
Panel_ON
+5V
VCC3.3
VCC1.8
VLCD
AHS0
DDCSDA1
DVI_HPD
VGA_CABLE_DET
RX1-
on_BACKLIGHT
03.DVI INPUT
03.DVI INPUT
RX0+
RX0-
RX1-
RX1+
RX2+
RX2-
RXC-
RXC+
DDCSCL2
DDCSDA2
DVI_CABLE_DET
EDID_WP
+5V
DVI_HPD
G0-
VCC1.8
+5V
+5V

Service Manual AT2241S
17
Input part---VGA+DDC
C113
100NF 25V
VGA_5V
G0+
VGA_5V
BIN0
D101
BAV70
3
1
2
DDCSDA1
HSIN0
R126
2K2 1/16W 5%
CN101
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15 10
17 16
R119
100R 1/16W 5%
R107
75R 1/16W 1%
DDCSCL_A
R109
0R05 1/16W
RIN0
R103
0R05 1/16W
GIN0-
B0- 5
C104
47N16V
BIN0-
R114 4K7 1/16W 5%
R122 0R05 1/10W
VSIN0
VGA_CABLE_DET 5
DDCSCL1
R110
0R05 1/16W
EDID_WP
DDCSDA1
ESD_VGA
R118
0R05 1/16W
G0- 5
C102
47N16V
C114
100NF 25V
C106
5PF 50V
B0+
GIN0
RIN0
U102
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
HSIN0
R0+ 5
+5V4,5,7
DDCSDA_A
C105 47N16V
C107
47N16V
C101
220N16V
DDCSCL1
R0- 5
+5V
R116 22K 1/16W 5%
DET_VGA
R142
470R 1/16W 5%
R124 100R 1/16W 5%
R0+
DDCSDA_A
EDID_WP4,5
SOG_DET 5
R113
100R 1/16W 5%
U103
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
R115 4K7 1/16W 5%
R102 100R 1/16W 5%
C111
NC/22pF 50V
G0+ 5
ESD_VGA
AHS0 5
RIN0-
R112
75R 1/16W 1%
VSIN0
C103
5PF 50V
R0-
BIN0
R121
100R 1/16W 5%
DDCSDA15
DDCSCL_A
VGA_CABLE_DET
GIN0-
HSIN0
R120
75R 1/16W 1%
DUAL D
OTS B
3 7Monday, January 25, 2010 715G3737-M0D <
称爹>
D-SUB I/O
G3737-M0D-000-0H4K-10-100125
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
R125
2K2 1/16W 5%
C120
1N50V
DDCSCL15
C182
22pF 50V
R105
100R 1/16W 5%
C108
47N16V
R123 100R 1/16W 5%
R111
100R 1/16W 5%
RIN0
B0-
RIN0-
R104
0R05 1/16W
DET_VGA
C110
47N16V
ESD_VGA
VSIN0
C109
5PF 50V
R101
100R 1/16W 5%
VGA_5V
GIN0
R106
100R 1/16W 5% B0+ 5
BIN0-
C112
NC/22pF 50V
C181
22pF 50V
BIN0
R117
0R05 1/16W
U101
AT24C02BN-SH-T
1
2
3
4
5
6
7
8A0
A1
A2
VSSSDA
SCL
WP
VCC
ZD101
RLZ5.6B
G0-
GIN0
R108
100R 1/16W 5%
AVS0 5

Service Manual AT2241S
18
DVI-input+DDC
ESD_DVI
R140 10R 1/16W 5% RXC- 5
DVI5V
DDCSDA2 5
C119
100NF 25V
U106
AOZ8902CIL
1
2
34
5
6
CH1
VN
CH2CH3
VP
CH4
DAT0-
DVI5V
RX2- 5
C115
100NF 25V
R139 10R 1/16W 5%
ESD_DVI ZD102
RLZ5.6B
C116
220N16V
ESD_DVI
DVI_CABLE_DET 5
ESD_DVI
SDA_DVI
R133 22K 1/16W 5%
R129 100R 1/16W 5%
DVI5V
DAT1-
RX0+ 5
SCL_DVI
CN102
JACK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
26
25 27
28
DAT2-
DAT2+
2/4shield
DAT4-
DAT4+
DDC SCL
DDC SDA
VSYNC
DAT1-
DAT1+
1/3shield
DAT3-
DAT3+
+5V
SYNC GND
HPD
DAT0-
DAT0+
0/5shield
DAT5-
DAT5+
clk shield
clk+
clk-
GND GND GND GND
Q101
NC
DCLK-
C117
100NF 25V
DAT2-
R134 10R 1/16W 5%
ESD_DVI
R130 10K 1/16W 5%
D102
BAV70
3
1 2
ESD_DVI
R128 100R 1/16W 5%
+5V
EDID_WP 3,5
R137 10R 1/16W 5%
HPD
R132 4K7 1/16W 5%
RXC+ 5
DCLK+
DDC_WP
RX2+ 5
R141 10R 1/16W 5%
R127
100R 1/16W 5%
DAT1+
C118
100NF 25V
DVI_HPD 5
RX0- 5
U107
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
DDCSCL2 5
R135 10R 1/16W 5%
DUAL D
OTS B
4 7Monday, January 25, 2010 715G3737-M0D <
称爹>
DVI
G3737-M0D-000-0H4K-10-100125
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
R136 10R 1/16W 5%
R131 4K7 1/16W 5%
RX1- 5
DAT0+
U105
AT24C02BN-SH-T
1
2
3
45
6
7
8A0
A1
A2
VSSSDA
SCL
WP
VCC
RX1+ 5
R138 10R 1/16W 5%DAT2+
U104
AOZ8902CIL
1
2
3 4
5
6
CH1
VN
CH2CH3
VP
CH4
+5V3,5,7
DET_DVI

Service Manual AT2241S
19
Power part---5V+3.3V+1.8V+Vlcd
C715
220N16V
Q707
NC/PMBS3904
+5V FB701
0 OHM +-5% 1/8W
VCC3.3
U703
AP2114H-1.8TRG1
3 2
1
4
VI VO
GND 4
R724
NC
TO252
VLCD 6
Q705
AO3401A
R704
10K 1/16W 5%
R723
NC/4K7 1/16W 5%
R799
10K 1/16W 5%
Q702
NC
R701
22K 1/16W 5%
R715
100K 1/16W 5%
C706
100NF 25V
C717
NC/0.1uF 25V
Q706
2N3904S-RTK/PS
R711 NC
+
C702
100uF16V
DIM
+5V
R722
NC/10K 1/16W 5%
Panel_ON5
Audio_EN 5
R714
10K 1/16W 5%
+
C705
100uF16V
C713
100NF 25V
R707
4.7 OHM +-5% 2WS
C708
NC
Q704
NC/AO4449 -7A/-30V
1 2 3 4
8 7 6 5
S S S G
D D D D
R709
NC
R719
22K 1/16W 5%
CN701
CONN
1
2
3
4
5
6
7
8
9
VCC1.8 5
C701
100NF 25V
VCC1.8
Audio_DET2
Q703
NC/PMBS3904
C703
100NF 25V
U704
3 2
1
VIN VOUT
GND
+C716
10uF 50V
R712 NC
DUAL D
OTS B
7 7Monday, January 25, 2010 715G3737-M0D <
称爹>
POWER
G3737-M0D-000-0H4K-10-100125
<Variant Name>
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
C707
100NF 25V
+5V3,4,5
C712
100NF 25V
R706
NC
R718
NC
+
C711
NC/100uF/16V
ON/OFF
VCC3.3
Audio_EN1
Audio_DET1 Audio_DET 5
R798
NC
TO-252
VCC3.3
R702
4K7 1/16W 5%
C709
NC/0.1uF 25V
PS_EN 5
R708
NC
+5V
R713
NC
VCC3.3 5
R717
NC
R703 100R 1/16W 5% Adj_BACKLIGHT 5
+5V
+5V
R720
NC
R716
NC/10K 1/16W 5%
C714
NC/0.1uF 25V
+
C710
100uF16V
R710
NC
VCC3.3
Q701
2N3904S-RTK/PS
R721
4K7 1/16W 5%
+5V
VCC3.3
U701 AP2114H-3.3TRG1
3 2
1 4
VI VO
GND 4
U702
NC/G1084-33T43Uf
23
1
VOUTVIN
GND
+5V 3,4,5
C704
100NF 25V
VLCD
on_BACKLIGHT 5
C718
220N16V
R725
NC

Service Manual AT2241S
20
Scarlar---Flash+key
PA2
R420 NC/120R 1/16W 1%
LVB0M
PB4
R429
10K 1/16W 5% USB_EN
CN401
NC/CONN
2
4
6
8
1
3
5
7
R444
10K 1/16W 5%
DVI_HPD 4
G0-
R423 220K 1/16W 5%
R412 NC
C431
NC/0.1uF 25V
PA7
AHS0
R417
470R 1/16W 5%
B0+3
LVA3P
LED_1
R409 0R05 1/16W
LED_1
PB9
C424
1uF 10V
VCC3.3
R414 NC
C403
100NF 25V
LVB3P
PA5
RX1-4
LVA3M
RXC+
SOG_DET3
DUAL D
OTS C
5 7Tuesday, May 25, 2010 715G3737-M0D <
称爹>
SCALER
G3737-M0D-000-0H4K-10-100125
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
PA1
CN405
NC/CONN
1
2
3
4
5
6
7
FB402
300OHM
AVS03
PB4
LED_A
R406 0R05 1/16W
VCC3.3
EE_WP
U403
NC/M24C16
1
2
3
45
6
7
8A0
A1
A2
GNDSDA
SCL
WP
VCC
FB407
NC/300OHM
PB8
+5V
VCC3.3
PA4
PB[0..9]
R430
NC/22K 1/16W 5%
D401 NC
R401
3K9 +/-5% 1/16W
C413
4.7UF 10V
KEY1
PB9
Panel_ON
R419
390K +/-5% 1/16W
Q401
2N3906S-RTK/PS
Panel_ON 7
VSO
DDCSCL2
CN404
NC
1
2
3
4
5
6
7
LVA0M
G0-3
RX0+4
VCC3.3
+5V
RX1-
PB3
MSCL
BUZZER
PB1
R422 100K 1/16W 5%
LVACKP
R426 NC/100R 1/16W 5%
RX2+4
DDCSDA24
KEY2
LVB1P
PA3
R410 0R05 1/16W
ADC_VAA33
MSCL
SPI_CE
LVA3M
PS_EN
LVA2P
PA6
PB7
LVB0P
R408
470R 1/16W 1%
R443 NC/22K 1/16W 5%
C409 100NF 25V
C417
100NF 25V
DVDD
PB0
DDCSDA1
DDCSCL1
EDID_WP
R440 NC/0R05 1/16W
C402
100NF 25V
RX0-
LVBCKP
LVA1P
FB406
NC/120 OHM
1 2
PA8
LVB1M
AVCC
SPI_SO
VCC1.8
B0-3
VCC3.3
KEY2
LVB2P
CABLE_DET
D403 NC
FB404
300OHM
LED_2
VGA_CABLE_DET
LVA0P
B0-
C427
100NF 25V
RX2-4
ADC_VAA
LVB0P
PB2
LVA1M
VCC3.3 7
LVACKP
USB_DET
R424 1K 1/16W 5%
CVDD
R404
3K9 +/-5% 1/16W
DVDD
VCC3.3
D404 NC/RLZ5.6B
R411
4K7 1/16W 5%
PA0
DVI_CABLE_DET
C429
220N16V
C410 100NF 25V
C418
100NF 25V
C420 NC
WP
TP1
DVDD
on_BACKLIGHT
C425 100NF 25V
LVB1P
RXC+4
PA3
CN402
CONN
1
2
3
4
5
6
on_BACKLIGHT 7
ADC_VAA33
PA9
PB2
USB_EN
R433
NC/10K 1/16W 5%
CN406
NC/CONN
1
2
3
DVI_CABLE_DET4
VCC3.3
KEY1
R439 100R 1/16W 5%
R0+3
RX0-4
DDCSCL24
C426 47P 50V
R413
4K7 1/16W 5%
+5V
RX2+
PB6
LVACKM
R432
1M 1/16W
CN403
NC/CONN
1
2
3
4
5
6
VGA_CABLE_DET3
LVA0M
LVB3M
R418
1K5 1/16W 5%
HSO
PA5 LVA2P
R0+
LED_G
G0+
TP5
RX1+
SPI_SO
R451 NC
R437
NC/22K 1/16W 5%
FB403
300OHM
LVB2M
U401
NT68668FG
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27 28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112 111
110
109
108
107
106
105
104
103
RSTB
DVDD_ZP
DGND
RX2+
RX2-
AVCC
RX1+
RX1-
AGND
RX0+
RX0-
AGND
RXC+
RXC-
AVCC
REXT
ADC_BIAS
PGND
BIN1+
BIN1-
SOG1I
GIN1+
GIN1-
RIN1+
RIN1-
ADC_VAA18
ADC_GNDA ADC_VAA33
PD6
PB3/ADC3/INTE1
P31/TXD
P30/RXD
PB2/ADC2/INTE0
PB7/DDC_SDA1*
PB6/DDC_SCL1*
PA3/PWM5
PA4/PWM6*
PA5/PWM7*
PA6/PWM8*
PA7/PWM9*
HSYNCI1
VSYNCI1
PLL_GND
GND
PLL_DVDD
PB5/DDC_SDA0*
PB4/DDC_SCL0*
PD5
P35
P34
DVDD CVDD
NC
V0
V1
V2
V3
V4
V5
V6
V7
VCKI
NC DGND/CGND
PC6
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DVDD
NC
T0M
T0P
T1M
T1P
T2M
T2P
TCLK1M
TCLK1P
T3M
T3P
DGND/CGND
T4M
T4P
T5M
T5P
T6M
T6P
TCLK2M
TCLK2P
T7M
T7P
PA1/PWM3
PA2/PWM4
PA0/PWM2
OSCO
OSCI
PB0/ADC0
PB1/ADC1
PC5
PC4/PWM1
PC3/PWM0
PC1*
PC0*
CVDD_ZP
PWMB*
PWMA*
DVDD CVDD
INT_HSO
INT_VSO
NC NC
PC2
GND
PD4
SPI_CLK
SPI_SI
SPI_SO
SPI_CE
PC7
C407
100NF 25V
Q402
2N3906S-RTK/PS
R428 NC/100R 1/16W 5%
LVA3P
SPI_SI
LED_G
C412 100NF 25V
C408 100NF 25V
HSO
R0-3
NT68668FG-QFP-128
LVACKM
R421 NC/100R 1/16W 5%
TP4
BUZZER
C437
NC/1UF 10V
WP Audio_EN
C432
NC/0.1uF 25V
RXC-4
ADC_VAA
R434 NC/100R 1/16W 5%
R427 22K 1/16W 5%
R442 NC/4K7 1/16W 5%
PB5
DVI_HPD
CABLE_DET
R402 NC/2K2 1/16W 5%
PS_EN 7
FB408
300OHM
R452 NC
C401
100NF 25V
+5V
PB5
PB3
C419
100NF 25V
R405
3K9 +/-5% 1/16W
PB8
B0+
LED_2
RX0+
LVA0P
C414
1uF 10V
ADC_BIAS
LVB1M
PB[0..9]6
LVBCKM
TP3
LVA1P
RXC-
TOUCH_POWER
POWER
RX2-
EE_WP
Adj_BACKLIGHT 7
5V_DET
PB7
USB_DET
C404
4.7UF 10V C406
1uF 10V
PB6
Adj_BACKLIGHT
C428 47P 50V
R441 NC/4K7 1/16W 5%
DDCSCL13
VCC1.8 7
LVA1M
LVB3M
C422
100NF 25V
C416
4.7UF 10V
C421
4.7UF 10V
LVB0M
R416
220K 1/16W 5%
R425 22K 1/16W 5%
RX1+4
MSDA
LVB2P
R415
100K 1/16W 5%
EDID_WP
SPI_CE
R436
NC/22K 1/16W 5%
C411 100NF 25V
C415
1uF 10V VCC3.3
AVCC
VCC3.3
SPI_CK
Audio_DET
LED_A
LVB2M
PA9
C423
4.7UF 10V
AVCC
LVB3P R403 NC/2K2 1/16W 5%
SPI_CK
PA[0..9]
PA2
LVA2M
LVA2M
SPI_SI
PA0
R446 NC/0R05 1/16W
R407 0R05 1/16W
PA[0..9]6
G0+3
DVDD
MSDA
X401
12MHz
1 2
Audio_DET 7
NT68668FG-QFP-128
PA8
C405
100NF 25V
DDCSDA13
+5V
LVBCKP
ADC_BIAS
SOG_DET
FB401
300OHM
LVBCKM
PA4
PA1
C430
NC/220nF 16V
AHS03
Audio_EN 7
POWER
CVDD
FB405
300OHM
PA6
DDCSDA2
R435 NC/10K 1/16W 5%
R438
NC/10K 1/16W 5%
CN407
NC/CONN
1
2
VSO
PB0
PA7
D402 NC
VCC3.3
AVS0
R0-
R431
100R 1/16W 5%
+5V 3,4,7
PB1
U402
PM25LV020-100SCE
1
2
3
4
8
7
6
5
CE#
SO
WP#
GND
VDD
HOLD#
SCK
SI