AOC 931SW series User manual

ServiceManual AOC931SW+
1
LCD 显示器维修手册
Custom：AOC
Model：931SW+
本手册适用于主板为 715G3244-2(Scalar IC—RTD2270S)
This manual applies to Main Board 715G3244-2(Scalar IC—RTD2270S)

ServiceManual AOC931SW+
2
REVISION LIST
Version Release Date Revision History Model TPV Model No
A00 Sep-01-2010 Initial Release AOC 931SW+ T9ANR5NYNNACNNJ
T9ALR5NYNNACNNJ

ServiceManual AOC931SW+
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CONTENTS
1. LCD Specifications ...........................................................................................................................4
1.1 Product Features .........................................................................................................4
1.2 Factory preset modes ..................................................................................................5
1.3 VGA Interface description ............................................................................................5
2. Operation instruction .....................................................................................................................6
2.1 Control Buttons ............................................................................................................6
2.2 OSD User mode adjustment .....................................................................................7
2.3 OSD Lock Function ...................................................................................................9
3. Panel Feature..................................................................................................................................10
3.1 General Specifications ...............................................................................................10
3.2 Electrical Absolute Ratings ........................................................................................10
3.3 Electrical Characteristics............................................................................................ 11
3.4 TFT LCD Module Block Diagram ............................................................................... 11
3.5 LCD module input terminal pin assignment ...............................................................12
4.Block Diagram ..................................................................................................................................13
4.1 LCD Block Diagram ...................................................................................................13
4.2 MainBoard Block Diagram .........................................................................................13
4.3 Power Board Block Diagram......................................................................................14
4.4 Software Flow Chart ..................................................................................................15
5. Circuit Schematic ............................................................................................................................16
5.1 Main Board-715G3244-2-2 ........................................................................................16
5.2 Power Board 715G2510-2-4 ......................................................................................20
5.3 Key Board 715G3098-2-2 ..........................................................................................22
6.Exploded Views................................................................................................................................23
7. PCB Layout......................................................................................................................................24
7.1 MainBoard- 715G3244-2-2 ........................................................................................24
7.2 PowerBoard 715G-2510-2-4......................................................................................25
7.3 KeyBoard 715G3098 2 2 ......................................................................................26
8.Trouble treatment.............................................................................................................................27
8.1 Maintainability Requirement.......................................................................................27
8.2 Trouble Shooting........................................................................................................27
8.3 Software update step（SOP）..................................................................................32
8.4 Writing DDC program step.........................................................................................38
8.5 Factory mode adjustment ..........................................................................................40
9.BOM List............................................................................................................................................41
9.1 Model：T9ANR5NYNNACNNJ..................................................................................41

ServiceManual AOC931SW+
4
1. LCD Specifications
1.1 Product Features
Monitor Model AOC 931SW+
LCD Panel
Driving system TFT Color LCD
Active Display Area 481mm（19inch）diagpnal
408.24mm (W)×255.15mm(H)
Pixel Pitch 0.2835 mm×0.2835mm
Input
Video
R,G,B Analog Interface，75ohm,0.7V Positive
Separate Sync. H/V TTL
H-Frequency 30kHz—83kHz
V-Frequency 55Hz--75Hz
Input Connector
D-Sub 15pin
Display Colors 16.7M Colors
Dot Clock 135MHz
Max. Resolution 1440 x 900@75Hz
Plug & Play VESA DDC2B DDC/CI
Power Consumption
ON Mode <37W
Power Saving Mode <1W
Switch OFF <1W
Power Source 90~264VAC,47~63Hz, 1.5A Max supply current
Environmental
Considerations
Operating Temp: 0° to 40°C
Storage Temp.: -20° to 60°C
Operating Humidity : 5% to 80%
Dimensions(including stand) 439(W)x210(H)x358(D)mm
Weight (N. W.): 3.8kg
Safety CCC

ServiceManual AOC931SW+
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1.2 Factory preset modes
STANDARD RESOLUTION HORIZONTAL
FREQUENCY VERTICAL FREQUENCY
VGA
640×480 31.469kHz 59.94Hz
640×480 35.00kHz 66.66Hz
640×350 37.861kHz 72.80Hz
640 × 480 37.50kHz 75.00Hz
DOS-mode
640 × 480 31.469kHz 70.087Hz
720 × 400 31.469kHz 70.087Hz
Mac-mode 832 ×624 49.725kHz 74.50Hz
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 70.069Hz
1024 × 768 57.50kHz 72.074Hz
1024 × 768 60.023kHz 75.029Hz
1024 × 768 60.241kHz 74.927Hz
1440 × 900 55.93kHz 60Hz
WSXGA 1440 × 900 70.635kHz 75Hz
1.3 VGA Interface description
15
610
11 15
Pin No. Description Pin No. Description
1. Red Input 9. +5VDC
2. Green Input 10. GND
3. Blue Input 11. GND
4. GND 12. SDA
5. Connection detect 13. H Sync
6. Red GND 14. V Sync
7. Green GND 15. SCL
8. Blue GND

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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 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.
2 4:3 or wide/ +
If there is no OSD,chang 4:3 or wide image ratio.
OSD, increase current value of bar, or move to next item of
menu
3 Power Button Power ON/OFF,and power indicator(Blue and Orange).
4 Auto / Exit
If there is no any OSD, it is auto configuration.
Exit current OSD and return to last level.
5 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..

ServiceManual AOC931SW+
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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.
Sub-menu:

ServiceManual AOC931SW+
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Function Control Illustration
Luminance
A
djust Range Description
Brightness 0-100 Backlight Adjustment
Contrast 0-100 Contrast from Digital-register.
Eco mode
Standard
Standard Mode
Text
Text Mode
Internet
Internet Mode
Game
Game Mode
Movie
Movie Mode
Sports
Sports Mode
Gamma
Gamma1
A
djust to Gamma1
Gamma2
A
djust to Gamma 2
Gamma3
A
djust to Gamma 3
DCR
Off
Disable dynamic contrast ratio
On
Enable dynamic contrast ratio
Image Setup
Clock 0-100
A
djust picture Clock to reduce
Vertical-Line noise.
Phase 0-100
A
djust Picture Phase to reduce
Horizontal-Line noise
H.Position 0-100
A
djust the horizontal position of the
picture.
V.Position 0-100
A
djust the verticalposition of the
picture.
Color Temp.
Warm 6500K
Recall Warm Color Temperature from
EEPROM.
Normal 7300K
Recall Normal Color Temperature from
EEPROM.
Cool 9300K
Recall Cool Color Temperature from
EEPROM.
sRGB
Recall SRGB Color Temperature from
EEPROM.

ServiceManual AOC931SW+
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User
Red Red Gain from Digital-register
Green Green Gain Digital-register.
Blue Blue Gain from Digital-register
Color Boost
Full Enhance on or off Disable or Enable Full Enhance Mode
Nature Skin on or off Disable or Enable Nature Skin Mode
Green Field on or off Disable or Enable Green Field Mode
Sky-blue on or off Disable or Enable Sky-blue Mode
A
utoDetect on or off Disable or Enable AutoDetect Mode
Demo on or off Disable or Enable Demo
Picture Boost
Frame Size 14-100
A
djust Frame Size
Brightness 0-100
A
djust Frame Brightness
Contrast 0-100
A
djust Frame Contrast
H. position 0-100
A
djust Frame horizontal Position
V.position 0-100
A
djust Frame vertical Position
Bright Frame on or off Disable or Enable Bright Frame
OSD Setup
H.Position 0-100
A
djust the horizontal position of OSD
V.Position 0-100
A
djust the vertical position of OSD
Timeout 5-120
A
djust the OSD Timeout
Transparence 0-100
A
djust the transparence of OSD
Language Select the OSD language
Extra
Input Select D-Sub Select Analog Sigal Source as Input
A
uto Config yes or no
A
uto adjust the picture to default
Image Ratio wide or 4:3 Select wide or 4:3 format for display
DDC/CI yes or no Turn ON/OFF DDC/CI Support
Information
Show the information of the main
image and sub-image source
Reset
Reset yes or no Reset the menu to default
Exit
Exit Exit the main OSD
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 function ,Please refer to “user manual” .

ServiceManual AOC931SW+
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3. Panel Feature
The Panel- TPM190A1-WX108TC is a 19 inch wide TFT-LCD module with LED Backlght unit and a 30-pin 2ch
–LVDS interface . This module supports 1400×900 WXGA mode and displays up to 16.7 millions colors.The converter
module for the Backlight Unit is not built in.
3.1 General Specifications
3.2 Electrical Absolute Ratings

ServiceManual AOC931SW+
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3.3 Electrical Characteristics
a) TFT LCD module
b) Backlight unit
3.4 TFT LCD Module Block Diagram

ServiceManual AOC931SW+
12
3.5 LCD module input terminal pin assignment
Pin No Symbol Function Pin No Symbol Function
1 RXO0- LVDS input odd 16 RXE1- LVDS input even
2 RXO0+ LVDS input odd 17 GND GND Ground
3 RXO1- LVDS input odd 18 RXE2- LVDS input even
4 RXO1+ LVDS input odd 19 RXE2- LVDS input even
5 RXO2- LVDS input odd 20 CLKE- Clock signal -even
6 RXO2+ LVDS input odd 21 CLKE+ Clock signal +even
7 GND GND Ground 22 RXE3- LVDS input even
8 CLKO- Clock signal -odd 23 RXE3- LVDS input even
9 CLKO+ Clock signal +odd 24 GND GND Ground
10 RXO3- LVDS input odd 25 NC No connection
11 RXO3+ LVDS input odd 26 NC Test pin(Can’t to GND)
12 RXE0- LVDS input even 27 NC No connection
13 RXE0+ LVDS input even 28 VCC 5V power supply
14 GND GND Ground 29 VCC 5V power supply
15 RXE1- LVDS input even 30 VCC 5V power supply

ServiceManual AOC931SW+
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4.Block Diagram
4.1 LCD Block Diagram
4.2 MainBoard Block Diagram
DC-AC inverter
AC-DC
(5V/12V)
Power Board
Main Board
Key board Computer VGA
2-CCFL Backlight
Panel LVDS
AC supply
90V-264V
LCD Block Diagram
Input signal
Crystal 14.318MHZ
(X401)
Panel Interface
(CN403)
Scalar TSUM1PFR-LF
(Include ADC, OSD, MCU)
(U401)
D-Sub Connector
(CN101)
EEPROM
SST25VF010A
(U402)
H sync
V sync
RGB
Key Board
Control
(CN404)
Voltage converter
5V
5V 3.3V 1.8V

ServiceManual AOC931SW+
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4.3 Power Board Block Diagram
Fuse EMI Rectifier Smoothing
Capacitor
C905
Transformer
T901
MOS
Q901
IC-PWM
IC901
14V
Rectifie
r
5V
Rectifie
r
14V
5V
Sense
resisto
r
Vcc
Rectifie
r
regulating
Sampling
PhotoCoupler
Vcc
Open Lamp Protection
16V DC
IC Power Supply
Converter
DC-AC
Transformer
T801
High Voltage
Output
Resonance NET
Switching MOS
Q802-AM9945
AC input
100-240V
2- CCFL
PWM Control IC
IC801-Ta9687
Current Sampling
Power part
Inverter part

ServiceManual AOC931SW+
15
4.4 Software Flow Chart
------Just for your reference.
Start
Initial_MCU
Check if DataBuffer Is blank
&Chec
k
if Sum is chan
g
ed ?
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
Options
Enter factory mode OSD

Service Manual AOC 931SW+
16
5. Circuit Schematic
5.1 Main Board-715G3244-2-2
Input part---VGA/DDC
VGA_B-
R101 0R05 1/ 10W 5%
C110
0.047uF
DSUB_R- 5
DSUB_SOG 5
U102
AZC199-04S
1
2
3 4
5
6
I/O1
GND
I/ O2 I/O3
VDD
I/O4
R474
4K7 1/16W 5%
VGA_R-
VGA_R+
VGA_R+
VGA_PLUG
R112
75R 1/16W 5%
CN101
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
17 16
DDC1_SDA5
F
A1981Wx B
47Monday, Nov ember 23, 2009
G3244-2-2 <
称爹 >
02.Input
G3244-2-2-X-8-090909
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
C101
0.047uF
DDC1_SDA
VGA_PLUG
VGA_R-
R117
100R 1/16W 5%
DSUB_V 5
VGA_B+
C434
0.22uF16V
DDC1_SCL5
VGA_G-
C113
0.047uF
R105
2K2 1/16W 5%
V_Sy nc
DSUB_SCL
R107
75R 1/16W 5%
H_Sy nc
C115
NC
DSUB_H 5
R103 100R 1/16W 5%
DSUB_SCL
FB102
BEAD
1 2
R116
75R 1/16W 5%
R476 47R 1/16W 5%
CMVCC1
VGA_PLUG
DSUB_5V
DSUB_SDA
R475 47R 1/16W 5%
C105
0.047uF
DET_CABLE 5
R114
100R 1/16W 5%
DSUB_5V
C114
NC
C111
5pF/50V
U405
AT24C02BN-SH-T
1
2
3
45
6
7
8A0
A1
A2
GNDSDA
SCL
WP
VCC
VGA_R+
R104
100R 1/16W 5%
R109
390 OHM 1/16W
CMVCC1
DSUB_B+ 5
VGA_G+
U103
AZC199-04S
1
2
3 4
5
6
I/O1
GND
I/ O2 I/O3
VDD
I/O4
DSUB_G+ 5
VGA_G+
C103
22pF
DSUB_SCL
C108
5pF/50V
DSUB_SDA
FB101
BEAD
1 2
VGA_G+
R102 100R 1/16W 5%
EDID_C TRL 5
ZD103
RLZ5.6B
R472
4K7 1/16W 5%
DSUB_SDA
DSUB_G- 5
C104
5pF/50V
D403
BAV70
3
1 2
R122
NC
V_Sy nc
候綼 U102
VGA_G-
Q407
LMBT3904LT1G
DSUB_5V
ESD_5V
GND POWER
ESD_5V
C102
22pF
VGA_B+
R111
100R 1/16W 5%
DGND
CMVCC1 5,6,7
候綼 U103
VGA_B-
DSUB_R+ 5
H_Sy nc
R473
4K7 1/16W 5%
R108
100R 1/16W 5%
R118
10K 1/16W 5%
VGA_B+
DSUB_B- 5
C107
0.047uF
DDC1_SCL
R115
100R 1/16W 5%
FB103
BEAD
1 2
C109
0.047uF
ESD_5V
C106
1000pF
R106
2K2 1/16W 5%

Service Manual AOC 931SW+
17
Power part---5V/3.3V/1.8V
MVC C
R447
NC/10K1/16W
BKLT-VBRI R450 NC
NC(R0402)
U404A
NC
3 2
1
VIN VOUT
GND
Q410
MMBT2907AK
1
2 3 VCC1.8 5
VCC3.3
R465
NC
VCC 3.3
R446
NC /10K 1/16W 5%
CMVCC1
BKLT-EN
C422
0.1uF/ 16V
R479
NC
VCTRL5
VCC3.3
Mut e
U404
1
2
3
ADJ(GND)
VOUT
VIN
VCC3.3 5
CMVCC
VCC3.3
CMVCC4,5,6
C_PANEL_INDEX R440
4K7 1/16W 5%
PANEL_ID# 5
adj_BACKLIGHT 5
Volume
C425
NC
U404 can use package 223 or 252.
R491
10K 1/16W 5%
+
C423
100uF/25V
F
A1981Wx B
77Tuesday , Nov em ber 24, 2009
G3244-2-2 <
称爹 >
05.Power
G3244-2-2-X-8-090909
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB N AME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
CN404
CONN
1
2
3
4
5
6
7
8
9
Q409
MMBT2907AK
1
2 3
R448
NC/4.7K1/16W
R486
NC
CMVCC CMVCC1 4,5,6
+
C427
470uF 16V
on_BACKLIGH T 5
R442
100R 1/16W 5%
CMVCC1
C432
0.1uF / 16V
CMVCC
BKLT-EN
VCC3.3
Mut e 5
VCC1.8
VCC 3.3
Volume
BKLT-VBRI
Volume# 5
R441
1K 1/16W 5%
R449
NC
CMVCC1
+ C426
220UF 16V
R439
10K 1/16W 5%
Q406
2N3904S-RTK/PS
VCC3.3
FB403 NC
Q408
NC/2N3904S-RTK/PS
C428
0.1uF/ 16V
R480
2.2 OHM 2W

Service Manual AOC 931SW+
18
Scarlar---Flash/key
VCC1.87
10K 1/16W 5%
LED_ORANGE/TOUCH VCC
adj_BACK LIGH T 7
Max condition for LED:
1. Vcc = 3.3 V
2. Current = 12 mA
FW need to be modified.
EE_WP
LED_G /B
CMVCC1
LED_OR ANGE/ TOUCH VC C
CN407
NC/CONN
1
2
3
4
5
6
7
R428
3.9K OH M 1/16W
ZD402
NC/UDZSNP5.6B
1 2
For NVRAM
LED_G/ B
C433
NC
PB[0. .9] 6
R469
2K2 1/16W 5%
U402
PPWR_ON# 6
VCC 1.8
For ID2008 ID2009
PA6
R451 NC
020A
NC
MSD A
U403
C403
0.1uF/ 16V
on_BACKLIGH T 7
PA7
R404
10K 1/16W 5%
VCC3.3
R455
NC
R478 NC
R468 200R 1/10W 5%
Near to Connect
NC
KEY 2
100R 1/16W 5%
CN409
NC/CONN
1
2
3
4
5
6
7
R463 NC
NC or 100R 1/16W 5%
PA[4. .9] 6
MSC L
TOUCH POWER
KEY2
R424 NC
FB405
NC
NC
R427
3.9K OHM 1/ 16W
NC
Without NVRAM
AVDD
VCC3.3
PA5
When use touch
Key,GPIO_P07 as
to control touch
key VCC
F
A1981Wx C
57Monday , N ov em ber 23, 2009
G3244-2-2 <
称爹 >
03.Scalar
G3244-2-2- X-8-090909
OE M MOD EL Size
Rev
Date Sheet of
TPV MOD EL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
PA0
R487
4.7K1/ 16W
C418
NC
DSUB_R+4
R420 100R 1/16W 5%
WP
R482 NC
R426 NC
C406
0.1uF/ 16V
CS
POWER_KEY#
R454
AVDD
PA[4. .9]
For user data, WB, EDID,
HDCP are saved in
Flash.
Q402
LMBT3906LT1G
R453
NC
R420
R419 NC /100OHM1/16W Mut e 7
NC
R426
LED_GRN/BLUE
R412 100R 1/16W 5%
PA[0. .1]
POWER_KEY#
PB[0. .9]
LED_GRN/BLUE
R462 0R05 1/16W
C414
0.1uF/ 16V
LED_ORANGE/TOUCH VCC
R455
020
MSC L
SST
PA1
PB2
PA[0. .1] 6
Befor AOC ID2007 OSD
SST
MSD A
PANEL_I D# 7
VCC3.3
C412
22pF
X40 1
14.318 18MHz
1 2
Q403
LMBT3906LT1G
When NVRAM is used,
POWER_KEY# and PANEL_ID#
will not be used at same
time.
RTD2270S-GR
U401
13
10
11
8
12
9
7
16
17
4
15
14
21
23
22
24
27
56
1
2
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
34
33
5
6
32
31
52
30
18
19
62
20
28
55
58
59
60
61
63
64
25
26
54
51 53
29
57
3
RIN0P
GIN 0P
SOGIN 0
BIN0P
RIN0M
GIN 0M
BIN0M
HSYNC0
VSYNC0
REXT
REFP
REFM
SDO
SCK
SCZ
SDI
PWM2/GPI O_P24
PWM1/GPI O_P25
XI N
XOU T
LVA2P
LVA2M
LVA1P
LVA1M
LVA0P
LVA0M
LVB3P
LVB3M
LVBCKP
LVBCKM
LVB2P
LVB2M
LVB1P
LVB1M
LVB0P
LVB0M
LVA3M
LVA3P
GND
AVDD_ADC
MOD E[ 1 ]
MOD E[ 0 ]
VCTRL
VDDC
DD CA_SD A/R S232_TX
DDCA_SCL/rs232_RX
PWM0/GPI O_P26
GPIO_P15/PWM0
GPIO_P27/PWM1
GPIO_P12
GPIO_P 00/SA R1
GPIO_P 01/SA R2
GPIO_P06
GPIO_P07
GPIO_P13
GPIO_P14
GPIO_P11/I2C_MDA
GPIO_P 10/I 2C _MCL
RST
VDDP
VDDC
GND
RSTN
GND
C413
0.1uF/ 16V
R425
NC
FB401
300OHM
R464 NC
10K 1/16W 5%
VCC3. 3
LVDS
PB6
R421
10K 1/16 W 5%
DSUB_SOG4
R452
NC
NC
CN408
CONN
1
2
3
4
5
6
R466
2K2 1/16W 5%
R410 10K 1/16W 5%
C415
0.1uF/ 16V
LED_ORANGE/TOUCH VCC
PB9
R452 NC
C407
0.1uF/ 16V
PA4
R408
10K 1/16W 5%
R453
ZD404
NC/UDZSNP5.6B
1 2
PANEL_ID# and POWER_KEY#
could be optional.
R413 100R 1/16W 5%
DSUB_V4
R424
PA8
R417
NC/ 10K 1/16W 5%
R471 330R 1/10W 5%
PA9
R418 NC /100OHM1/16W
U403
NC/ M24C04-WMN6TP
1
2
3
45
6
7
8NC
E1
E2
VSSSDA
SCL
WC
VCC
R485 4K7 1/16W 5%
Eon
VCTRL 7
CMVCC1
DSUB_B+4
VCC3.3
C416
0.1uF/16V
M24C04-WMN6TP
LED_O
R454
NC
R401
100R 1/16W 5%
For All model
KEY 1
R402
0R05 1/16W
R461 0R05 1/16W
NC
PB5
R481
0R05 1/16W
EDI D_C TRL 4
PB4
PB7
R414 10K 1/16W 5%
C419
ZD401
NC/RLZ5.6B
LED_O
VCC3.37
NC
CMVCC1
PB0
C401
0.1uF/16V
VCC3.3
KEY1
PB1
R411 100R 1/16W 5%
Eon
C408
0.22uF16V
ZD403
NC/UDZSNP5. 6B
1 2
010A
C417
0.1uF/ 16V
DSUB_H4
10K 1/16W 5%
CN406
NC/CONN
1
2
3
4
5
6
7
8
DSUB_G+4
C404
0.1uF/16V
100R 1/16W 5%
R407
10K 1/16 W 5%
U402
FB404
NC
R425, C418 depend on
case.
NC or 100R 1/16W 5%
C429
NC
AVDD
EE_WP
C411
22pF
U402
EN25F20-100GCP
1
2
3
4 5
6
7
8
CS#
DO
WP#
VSS DI
CLK
HOLD#
VCC
VCC1.8
CS
Volume# 7
100R 1/16W 5%
CMVCC14,6,7
NC
CN402
NC/CONN
1
2
3
4
5
6
R403 390 OH M 1/ 16W
DDC1_SDA4
0.22uF16V
R405 100R 1/16W 5%
PB8
DET_CABLE 4
VCC 3.3
+
C410
NC/ 10uF/50V
VCC 3.3
R451
PB3
DSUB_G-4
DSUB_B-4
DSUB_R-4
DDC1_SCL4
U402

Service Manual AOC 931SW+
19
Output---LVDS/Panel_Vcc
Q405
AO3401
PA4
S
FB402
120OHM
PB1
PA8
PA1
PB1
PB3
PA7
PB5
2
Q404
LMBT3906LT1G
PA0
PB3
CMVCC
PB6
F
A1981Wx A
67Monday , Nov ember 23, 2009
G3244-2-2 <
称爹 >
04.Output
G3244-2-2-X-8-090909
OEM MOD EL 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
PA7
PB9
PB8
PA4
PB0
PB4
1
PB6
PB5
PPWR_ON#
CN403
CONN
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
PB8
R437 NC
PANEL_VCC
PA5
D
R435
4K7 1/16W 5%
PA9
C419
0.1uF/16V
PB1
PA8
PB3
PB8
PA4
PA9
PB0
PB4
PA5
3
PA1
PB6
R438
0R05OHM1/16W
R434
150R 1/4W 5%
PB7
G
PA6
PB4
PB[0..9]5
R436
100K 1/16W 5%
PB2
PB9
PB3
PB7
PB2
PB2
R433
10K 1/16W 5%
PB2
CN405
NC/CONN
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
2006-11-7 Add pull up 4K7 to MVCC
PA[4..9]
PB9
CMVCC4,5,6
PB5
PA1
VCC3.3
PA5
PA9
PB3
PA7
PANEL_VCC
PPWR_ON#5
+
C421
100uF/25V
R477
150R 1/4W 5%
PB2
PA6
C420
0.1uF/16V
PB0
PA8
PA[4..9]5
PA0
PA[0..1]
PB7
PA0
VCC3.3 5
AO3401L
PB[0..9]
PA6
PANEL_VCC
Q411
NC/AO4411
1 2 3 4
8 7 6 5
S S S
G
D D D D
PA[0..1]5

Service Manual AOC 931SW+
20
5.2 Power Board 715G2510-2-4
---adapter 14V/5V
ZD906
RLZ22B
1 2
D916
LL4148WP
C903
0.22U F
080604 POWER OFF 功耗超规对策导入
!
小于 200MA 就可以了
HS4
HEAT SINK
1
2
!
!
+5V
R902
680K 1/4W
C928
0.001uF
65G0805102 32
PWPCA42CE3P A
AOC Custom
24Monday , Oct ober 06, 2008
715G2510 B 2 <
称爹 >
02.power
G2510-2-4
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
IC904
KIA431A-AT/P
T90 1
POWER X'FMR
4
7
9
5
6
4
6
11
10
8
12
1
3
C900 0.1UF
!
2.5V 1MA 的电流
R909
5.1 1/ 4W
070522, 因 AUDIO
工作时会引起水
波文
R962 100 1/4W
D900
FR107
Q903
PMBS3904
57G 417 4
R903
680K 1/4W
GND 1
GND
1
2
+
C940
1000uF/ 16V
67G215S1023KV
!
R901
680K 1/4W
HS3
HEAT SINK(Q901)
1
2
+
C917
680uF/ 25V
R919100 1/4W
ZD905
RLZ18B
1 2
R915
100K OH M 1% 1/8W
61G0805100 3F
FB901
BEAD
12
R930
2.43K 1% 1/10W
R939
NC
R943
1K 1/8W
61G0805102
070522
R933
300K 1/4W
C909
470pF/ 25V
R961 100 1/4W
C942
NC
R941
CN902
CONNECTOR
095G801410D 51
1
2
3
4
5
6
7
8
9
10
R938
10K 1/8W
!
R904
300K 1/4W
R926
1K 1/10W 1%
HS1
NC
1
2
ZD 922
RLZ5.1B
1 2
080604 POWER OFF 功耗超规对策导入
D901
FR103
C901
0.0022U F/400V
F901
FUSE
+
C918
680uF/ 25V
67G215D6814KV
R920100 1/4W
R908
100KΩ2W
ZD901
NC
1 2
D907
31DQ06F C3
C924
0.1uF
钳位电路
C912
0.001uF
电阻的大小要使 431 能工作在正常
的工作电流下
C906
1500pF/ 2KV
R940
33K 1/10W
R905
NC
C941
NC
LPS
R932
300K 1/4W
D905
SP1060
1
2
3
R944
DIM
!
ON/OF F
IC 901
LD7552BPS
1
2
3
4 5
6
7
8
GND
COMP
VCC
RT NC
CS
VCC
OUT
D906
SP10100
1
2
3
!
070528
变更成
精密电阻
Q901
2SK2645-54MR
CN 901
SOCKET
12
3
R935 100 1/ 4W
+
C939
1000uF/ 16V
D915
LL4148WP
L903
1.1uH
+
C908
22uF/ 50V
67G 2152207NT
!
R910
10 1/4W
IC903
PC123X2YF ZOF
12 43
L904
1.1uH
+
C915
470uF/ 16V
67G215S4713KV
VOL
R918100 1/4W
070522
R942
1K 1/10W 1%
ZD902
RLZ TE-11 16B
93G 39S 61 T
1 2
FB102
BEAD
1 2
t
NR901
NTCR
12
070522, 由稳压管
电路变更为假负载
回路
+5V
C929
0.001uF
HS2
HEAT SI NK(D906)
1
2
R925
1K 1/8W
R912
220Ω1/4W
R906
NC
R924
150R 1/8W
R927
4.3KΩ1% 1/ 10W
61G0603430 1F
C907
0.1uF
R914
0R43 5% 2W
C932
0.001uF
65G0805102 32
!
+14V
C916
0.1uF
一个相位补偿回路
R907
NC
R946
1K 1/4W
F903
FUSE
R945
D903
LL4148WP
070522
MUTE
C902
0.0022U F/ 400V
+
C905
100uF 450V
67G215Z10115X
C925
NC
L902
26mH
1
4
2
3
!
ZD921
RLZ TE-11 16B
93G 39S 61 T
1 2
C921
0.0022U F
+14V
+
C922
470UF /25V
-
+
BD901
KBP208G
2
1
3
4