AOC 831S User manual

ServiceManual AOC831S
1
LCD 显示器维修手册
Custom：AOC
Model：831S

ServiceManual AOC831S
2
REVISION LIST
Version Release Date Revision History Model TPV Model No
A00 Jun-18-2010 Initial Release 831S
T8RSM5NQW5A1NNJ
T8RSM5NMW5A1NNJ
T8RSM5NCW5A2NNJ
T8RSM5NBW5A2NNJ
T8RMM5NCW5A2NNJ
T8RKM5NQW5A2NNJ
T8RKM5NMW5A4NNJ
T8RKM5NCW5A1NNJ
T8RKM5NBW5A2NNJ
T8RCM5NCW5A5NNJ
T8RCM5NCW5A13NJ
T8RCM5NBW5K2NNJ
T8RAM5NCW5A1NNJ

ServiceManual AOC831S
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
4. Panel Feature ----------------------------------------- ------------------------------------------------------------------------ 9
4.1 General Specifications --------------------------------------------------------------------------------------------------- 9
4.2 Electrical Absolute Ratings --------- ----------------------------------------------------------------------------------- 9
4.3 Electrical Characteristics ------------------------------------------------------------------------------------------------ 10
4.4 Optical Characteristics --------------------------------------------------------------------------------------------------- 11
4.5TFT LCD Module Block Diagram-------------------------------------------------------------------------------------- 11
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 ---------------------------------------------------------------------------------------------------------------- 20
6.3 Invweter part---------------------------------------------------------------------------------------------------------------- 21
6.4 Key board ------------------------------------------------------------------------------------------------------------------- 22
7. Monitor exploded view ----------------------------------------------------------------------------------------------------- 23
8. PCB Layout---------------------------------------------------------------------------------------------------------------------26
8.1 Main board ------------------------------------------------------------------------------------------------------------------ 26
8.2 Power board ---------------------------------------------------------------------------------------------------------------- 27
8.3 Key board ------------------------------------------------------------------------------------------------------------------- 28
9. Maintainability --------------------------------------------------------------------------------------------------------------------29
9.1 Maintainability Requirement -------------------------------------------------------------------------------------------- 29
9.2 Trouble Shooting ---------------------------------------------------------------------------------------------------------- 29
9.3 Factory mode OSD ------------------------------------------------------------------------------------------------------ 33
9.4 DDC re-wirting step------------------------------------------------------------------------------------------------------- 34
10. BOM List -----------------------------------------------------------------------------------------------------------------------37
10.1 T8RCM5NBW5K2NNJ BOM ----------------------------------------------------------------------------------------- 37

ServiceManual AOC831S
4
1. LCD Specifications
1.1 Product Features
Monitor Model AOC 831S
LCD Panel
Driving system TFT Color LCD
Active Display Area 470mm（18.5inch）diagpnal
409.8mm (W)×230.4mm(H)
Pixel Pitch 0.3 mm×0.3mm
Input
Video
R,G,B Analog Interface，75ohm,0.7V
Separate Sync. H/V TTL
H-Frequency 30kHz—81kHz
V-Frequency 56Hz--75Hz
Input Connector
D-Sub 15pin
Display Colors 16.7M Colors
Dot Clock 85.5MHz
Max. Resolution 1366 x 768@60Hz
Plug & Play VESA DDC2B /CI
Power Consumption
ON Mode <25W
Power Saving Mode <1W
Switch OFF <0.5W
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 : 8% to 80%
Dimensions(including stand) 455.2mm×357.9mm×219.7mm
Weight (N. W.): 3.63kg
Safety FCC B CCC IEC950CB etc.

ServiceManual AOC831S
5
1.2 Factory preset modes
STANDARD RESOLUTION HORIZONTAL
FREQUENCY
VERTICAL
FREQUENCY
DOS-mode
640 × 400 31.469kHz 70.087Hz
720 × 400 31.469kHz 70.087Hz
Mac-mode 832 ×624 49.725kHz 74.55Hz
VGA
640×480 31.469kHz 59.94Hz
640×480 35.00kHz 66.667Hz
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 57.50kHz 72.074Hz
1024 × 768 60kHz 75Hz
1024 × 768 60.241kHz 74.927Hz
1360 × 768 47.712kHz 60.015Hz
WSXGA 1366 × 768 47.765kHz 59.85Hz

ServiceManual AOC831S
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.
zThe power cord should be connected.
zConnect the video cable from the video card of PC to the monitor.
zPress 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/ +
Hotkey, chang 4:3 or wide image ratio .
OSD, increase current value of bar, or move to next item of
menu
3Power Button To turn ON/OFF the moniteor, and power indicator
(Green/Blue and Amber/Orange).
4 Auto / Exit
Hotkey ,it is auto configuration.
Exit OSD
5 Menu / Enter
To activate the OSD window,
Exit current OSD and return to last level.

ServiceManual AOC831S
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” .

ServiceManual AOC831S
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
15
610
11 15

ServiceManual AOC831S
9
4. Panel Feature
The Panel-CLAA185WA03 is a 18.51 inch wide TFT-LCD module with an intergral CCFL Backlght unit and a 30-pin
2ch –LVDS interface . This module supports 1366×768 WXGA+ 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

ServiceManual AOC831S
10
4.3 Electrical Characteristics
a) TFT LCD module
b) Backlight unit

ServiceManual AOC831S
11
4.4 Optical Specifications
4.5 TFT LCD Module Block Diagram

ServiceManual AOC831S
12
4.6 LCD module input terminal pin assignment
Connector:093G30-B2001A(STARCONN)

ServiceManual AOC831S
13
5.Block Diagram
5.1 LCD Block Diagram
5.2 MainBoard Block Diagram---715G2904
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
(CN401/402)
Voltage converter
5V
5V 3.3V 1.8V
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
Input signal

ServiceManual AOC831S
14
5.3 Power Board Block Diagram
Fuse EMI Rectifier Smoothing
Capacitor
C907
Transformer
T901
MOS
Q901
IC-PWM
IC901
16V
Rectifie
r
5V
Rectifie
r
16V
5V
Sense
resisto
r
Vcc
Rectifie
r
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-
T
A
9687
Current Sampling
Power part
Inverter part
Power/ inverte
r
Board Block Dia
g
ram

ServiceManual AOC831S
15
5.4 Software Flow Chart
Start
Initial_MCU
Check if DataBuffer Is blank
Check 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
Oi
Enter factory mode OSD
Y
N
Y

Service Manual AOC831S
16
6. Circuit Schematic
6.1 Main Board 1---715G2904-2-2
Input part---VGA+DDC
DSU B_5V
DSUB_SDA
VCC3.3 7
H_Sy nc
DDC1_SCL5
DET_CABLE 5
FB101
BEAD
1 2
R107
75R 1/16W 5%
R118
1K 1/16W 5%
C105
0.047uF
R109
NC
VGA_B+
C110
0.047uF
VGA_B+
ESD_5V 5
R113
100R 1/16W 5%
DSUB_H 5
H_Sy nc
C108
5pF/ 50V
R114
100R 1/16W 5%
C107
0.047uF
R106
2K2 1/16W 5%
Connect Pin4 and Pin11 of CN101 to
GND to prevent ESD issue.
C109
0.047uF
候綼 U101
C111
5pF/ 50V
C102
22pF
R105
2K2 1/16W 5%
VGA_R-
DSUB_G+ 5
DDC1_SCL
VGA_R-
V_Sy nc
C104
5pF/ 50V
ESD_5V
R116
75R 1/16W 5%
FB102
BEAD
1 2
R112
75R 1/16W 5%
FB103
BEAD
1 2
ESD_5V
DGND
VGA_R+
ZD103
NC/U DZSNP5.6B
1 2
DSUB_SDA
C115
NC
Prevent EDID Tool Issue
V_Sy nc
VGA_R+
VGA_G-
R117
100R 1/16W 5%
R115
100R 1/16W 5%
R121
10K 1/16W 5%
VGA_G+
DSUB_B- 5
VGA_PLUG
VGA_R+
R102 100R 1/16W 5%
CBPCRM5D1Q1J -2-2
IO A191 B
47Tuesday , January 20, 2009
715G2904-2-2 <
称爹 >
02.I nput
G2904-2-2-IO-1-090120
OEM MODEL 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
DDC1_SDA
R111
100R 1/16W 5%
C101
0.047uF
DSUB_G- 5
VGA_G+
DSUB_SCL
R108
100R 1/16W 5%
U102
AZC099-04S
1
2
3 4
5
6
I/O1
GND
I/O2 I/O3
VDD
I/O4
U103
AZC099-04S
1
2
3 4
5
6
I/O1
GND
I/O2 I/O3
VDD
I/O4
VGA_B-
DSUB_R- 5
DSUB_5V
VGA_PLUG
VGA_B-
VCC3.3
DSUB_B+ 5
R101 0R05 1/10W 5%
DDC1_SDA5
R110
100R 1/16W 5%
GND POWER
R104
100R 1/16W 5%
DSUB_5V 5
R120
10K 1/16W 5%
候綼 U103
C106
NC
C103
22pF
DSUB_R+ 5
ZD 104
UDZSNP5.6B
1 2
C114
NC
DSUB_SOG 5
R103 100R 1/16W 5% DSUB_V 5
VCC3.3
VGA_G-
VGA_G+
C113
0.047uF
CN101
DB15
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
17 16
DSUB_SCL
VGA_B+

Service Manual AOC831S
17
Power part---5V+3.3V+1.8V+Vlcd
D401
NC
3
1 2
CBPCRM5D1Q1J -2-2
IO A19 B
77Tuesday , January 20, 2009
715G2904-2-2 <
称爹 >
05.Power
G2904-2-2-IO-1-090120
OEM MODEL Size
Rev
Date Sheet of
TPV MO D E L
PCB N AME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
MVC C
VCC3.3
Mut e 5
2008/01/14
BAT99 : If 0.05A,VF=1.0V
BAV70 : If 0.05A,VF=1.0V
It's need to use Low Dropout Regulator. 0Ohm 1/16W
VCC 3.3
CMVCC
R446
NC
D401
Q406
2N3904S-RTK/PS
+ C423
100UF 25V
VCC 3.3
DSUB_5V 5
ESD_5V
R439
10K 1/16W 5%
R442
100R 1/16W 5%
OTHER
VCTRL5
D403
BAT54C
3
1 2
Volume
R440
4K7 1/16W 5%
R449
NC
R441
1K 1/16W 5%
VCC 3.3
C_PAN EL_I NDEX
R447
10K 1/16W 5%
CMVCC1 5
CMVCC1
C428
0.1uF/16V
CMVCC
+ C426
100UF 25V
CMVCC5, 6
BKLT-EN
Due to LG doen't request PC'99 Function.
DSUB_5V
+ C427
100UF 25V
D402
SM340A
BKLT-VBRI
U404
AP1117D33LA
1
2
3
ADJ(GND)
VOUT
VIN
ESD_5V 5
R437
10K 1/16W 5%
Q410
MMBT2 907 AK
1
2 3
BKLT-VBRI
C425
NC
FB403 NC
U404 can use package 232 or 252.
VCC1.8
adj_BACKLIGHT 5
BKLT-EN
BAV99
C422
0.1uF /16V
LG
R448
4K7 1/16W 5%
VCC1.8 5
Q409
MMBT2907AK
1
2 3
NC
Volume
C432
0.1uF/16V
PANEL_ID# 5
CMVCC1
VCC 3.3
on_BACKLIGH T 5
CN 404
CONN
1
2
3
4
5
6
7
8
9
R458
Q408
2N3904S-RTK/PS
NC
VCC 3.3
Volume# 5
VCC3.3
CMVCC
Mut e
R450 N C
NC(R0402)
VCC3.3 4, 5

Service Manual AOC831S
18
Scarlar---Flash+key
C403
0.1uF/16V
DSUB_V3
DSUB_SOG3
LED_ORANGE
R458
NC
+
C430
NC
R455
LED_ORAN GE
C411 22pF
NC
AVDD
KEY _R IGH T
R418 100R 1/16W 5%
DDC1_SCL3
NC
According to MST's
request, reserve another
RST circuit.
VCC3.3
R411 100R 1/16W 5%
CMVCC17
LVDS
X'TAL
56 pF
NC or 100R 1/16W 5%
R424
R451
R426
VCC3. 3
KEY1
POWER_KEY #
C417
0.1uF/16V
C408
0.22uF 16V
VDDC
C413
0.1uF/16V
VCC3.37
Cs and Cd (C411, C412)
CMVCC1
MSC L
R406
10K 1/16W 5%
PA[4..9]
020A
M24C04-WMN6TP
27 pF
NC
VCC1.8
PB3
DSUB_B+3
10K 1/16W 5%
32 pF
PA5
U402
SST25VF010A-33-4C-SAE
1
2
3
4 5
6
7
8
CE#
SO
WP#
VSS SI
SCK
HOLD#
VDD
DSUB_H3
Mut e 7
X401
14.31818MHz
1 2
VDDP
R430 N C
EE_WP
CMVCC1
C416
0.1uF /16V
PA1
PA7
PB8
R421
10K 1/16W 5%
R425
NC
PPWR_ON # 6
U403
C412 22pF
DDC1_SDA3
Volume# 7
18 pF
Normal Function : CL = Cs + ((Cg*Cd)/(Cg+Cd))
adj_BACKLI GHT 7
For RSTN detect
function
10K 1/16W 5%
AVDD
KEY 1
R427
3.9K OHM 1/16W
R452
TSUM1PFR-LF
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
SOGIN0
BIN 0P
RIN0M
GIN 0M
BIN 0M
HSYNC0
VSY NC 0
REXT
REFP
REFM
SDO
SCK
SCZ
SDI
PWM2/ GPIO_P24
PWM1/ GPIO_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
DDC A_SDA/ RS232_TX
DDC A_SCL/ rs232_R X
PWM0/ GPIO_P26
GPIO_P15/PWM0
GPIO_P27/PWM1
GPIO_P12
GPIO_P00/SAR1
GPIO_P01/SAR2
GPIO_P06
GPIO_P07
GPIO_P13
GPIO_P14
GPIO_P11/I2C_MDA
GPIO_P10/ I2C_MC L
RST
VDDP
VDDC
GND
RSTN
GND
R432 N C
DSUB_R-3
CMVCC
CMVCC7
PB7
PB2
PA[0..1]
PB6
Befor AOC ID2007 OSD
For NVRAM
AVDD
R451
100R 1/16W 5%
PB[0..9]
C418
NC
CMVCC
DSUB_G+3
R453
NC
PB1
C407
0.1uF /16V
C406
0.1uF/16V
CMVCC7
Near to Connect
+
C410
10UF 50V
VDDC
R413 100R 1/16W 5%
CN402
NC \ CONN
1
2
3
4
5
6
7
8
R428
3.9K OH M 1/16W
R452
100R 1/16W 5%
X401
When NVRAM is used,
POWER_KEY# and PANEL_ID#
will not be used at same
time.
R459
NC
Max condition for LED:
1. Vcc = 3.3 V
2. Current = 12 mA
FW need to be modified.
100R 1/16W 5%
C419
R419 100R 1/16W 5%
VCTRL 7
R424
100R 1/16W 5%
VCC3. 3
R453
10K 1/16W 5%
PANEL_ID# and POWER_KEY#
could be optional.
PB4
U402
0.22uF16V
R425, C418 depend on
case.
EE_WP
R407
10K 1/16W 5%
on_BACKLIGHT 7
R408
10K 1/16W 5%
PANEL_ID # 7
P.S : Assume Cs = 4 pF
NC
KEY_LEF T
R405 100R 1/16W 5%
R417
10K 1/16W 5%
PA8
R404
10K 1/16W 5%
R456 0R05 1/16W
DSUB_B-3
PA[4..9] 5
瑉红 (93G 22-53-J)
NC
10K 1/16W 5%
R420
POWER_KEY #
LED_ORANGE
KEY _AU TO
WP
PA6
U403
M24C04-WMN6TP
1
2
3
45
6
7
8NC
E1
E2
VSSSDA
SCL
WC
VCC
R457 0R05 1/16W
PA9
PB[0..9] 5
U402
R410 75R 1/16W 5%
Q401
NC
PA[0..1] 5
Without NVRAM
MSC L
For user data, WB, EDID,
HDCP are saved in
Flash.
PB9
R426 NC
010A
R403 390 OH M 1/16W
C401
0.1uF/16V
NC
100R 1/16W 5%
MSD A
CN 401
CONN
1
2
3
4
5
6LED_GRN/BLUE
R402
0R05 1/16W
R454
10K 1/16W 5%
蔼 (93G 22-53B-H)
R401
0R05 1/16W
C429
0.22uF 16V
R431 N C
C404
0.1uF/16V
C409
0.1uF 10V
NC
CBPCRM5D1Q1J 1E-2
IO A191 C
57Tuesday , January 20, 2009
715G2904-2-2 <
称爹 >
03.Scalar
G2904-2-2-IO-1-090120
OE M MODE L Siz e
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Vict ory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
R415
0R05 1/ 16W
100R 1/16W 5%
R455
10K 1/16W 5%
VCC1.87
VCC3. 3
R414 75R 1/16W 5%
R409
20K OHM 1/ 16W
DSUB_R+3
NC
PB5
SST
NC or 100R 1/16W 5%
VDDP
C414
0.1uF/16V
DET_CABLE 4
NC
KEY 2
MSD A
PB0
R429 N C
FB401
300OHM
PA4
DSUB_G-3
R412 100R 1/16W 5%
PA0
LED_GRN/BLUE
R420 NC
LED_GRN/BLUE
POWER _KEY#
R460
NC
C415
0.1uF/16V
For ID2008
R454
KEY2
CL of SPEC

Service Manual AOC831S
19
Output---LVDS connector
PANEL_VCC
R443
0R05 1/16W
PB2
PA8
LVB0M
S
PB3
PA6
PB4
PB1
Q404
PMBS3906
PB7
PA[0..1]5
PB3
PB8
1
PA[0..1]
CN403 change to 14P Dip connector
based on 715G2904-D
R434
330 OHM 1/4W
LVB2P
PB6
PB[0..9]5
Q405
AO3401
+
C421
100UF25V
2006-11-7 Add pull up 4K7 to MVCC
R436
100K 1/16W 5%
PA1
D
PB9
R433
10K 1/16W 5%
R461
NC/4K7 1/16W 5%
PB5
PA7
PB9
PA9
VCC3.3
PB0
PA[4..9]5
G
PB8
R438
NC/0ohm
PA[4..9]
PPWR_ON#5
2
PB6 LVB1PPB0
PB5
PPWR_ON#
LVB3M
PANEL_VCC
PA4
LVBCKM
PB4
FB402
120OHM
CN403
CONN
2
4
6
8
10
12
14
1
3
5
7
9
11
13
CBPCRM5D1Q1J -2-2
A191E I-O DATA 18.5 A
67Tuesday , January 20, 2009
715G2904-2-2 <
称爹 >
04.Output
G2904-2-2-IO-1-090120
OEM MO D 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
C420
0.1uF/16V
PA5
PB1
LVB0P
AO3401L
R435
4K7 1/16W 5%
3
CMVCC
PA0 LVB1M
C419
0.1uF/16V
PB[0..9]
LVB2M
LVB3P
PB7
PB2 LVBCKP

Service Manual AOC831S
20
6.2 Power Board
715G2852-3-4---adapter 12V/5V
C900
0.0022UF
C929
0.001uF
D901
FR103
R900
680K OHM 1/4W
ZD921
RLZ13B
1 2
R906
NC +5V1
R932
10K OHM 1/4W +-5%
MUTE
R910
10R 1/4W
C924
0.1uF
R938
10K 1/8W
R946
150 OH M 2W
CN901
87G 501 32 S
SOCKET
12
3
R921 NC
C931
0.1uF
F904
NC
!
R920
100 OH M 1/4W
!
ZD902
RLZ13B
1 2
C902
1000pF
R902
680K OHM 1/4W
L904
1.0uH
+
C915
470uF/16V
D916
LL4148
R935 100 OHM 1/ 4W
!
R922 NC
R923 N C
C932
0.001uF
ZD922
RLZ5.1B
1 2
T901
POWER X'FMR
7
8
9
10
11
12
4
5
6
1
2
!
R909
5.1 OHM 1/4W
R927
3.6K OHM 1% 1/10W
!
+
C940
1000UF 25V
R952
NC
!
C938
NC
+5V
R940
33K 1/10W
D907 NC
VOL
R925
1K 1/8W
HS2
HEAT SINK(D 906_Q90G6263-6)
1
2
C910
NC
D903
LL4148
C904
0.1uF/275V
R901
680K OH M 1/4W
+
C939
NC
DIM
R939
1K 1/8W
D906
FCH10U 10
1
2
3
ON/ OFF
HS3
HEAT SI NK(Q901_Q90G6263-6)
1
2
+
C903
22uF/ 50V
D900
FR107
R962 100 OHM 1/ 4W
!
!
D915
LL4148
R961 100 OHM 1/ 4W
!
C901
1000pF
R914
0.47 OHM +-5% 2W S
VAR901
Varistor
R907
NC
R904
10K OHM 1/4W +-5%
C911
0.1uF
!
+12V
C909
470pF/25V
R930
2.43K OHM 1% 1/10W
C928
0.01uF
!
Wed.Dec 24.2008
R919
100 OHM 1/ 4W
+
C907
100uF450V
!
C912
0.001uF
C925
NC
R924
150R 1/8W
IC901
LD7575A PS
1
2
3
4 5
6
7
8
RT
COMP
CS
GNDOUT
VCC
NC
HV
D905 31D Q06FC 3
Q901
2SK2645-54MR
!
R908
100KOHM +-5% 2WS
!
C908
0.22uF /275V
IC902
PC123X2YF ZOF
12 43
!
GND1
GND
1
2
+
C918
680uF/ 25V
R942
1K 1/10W 1%
+5V
R926
1K 1/10W 1%
CN902
CONN
1
2
3
4
5
6
7
8
9
10
C930
0.1uF
!
L901
30mH
1 4
2 3
ZD923
NC
1 2
IC903
AZ431AZ -AE1
F905
0 OH M 1/4W
F903
NC
ZD905
RLZ18B
1 2
N.C
F901
FUSE
PWPC821GA1J 1
Custom
24
715G2852-3-4 ODM MODEL
2.POWER
G2852-3-4-X-3-090210
OEM MO DEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Compon ent
絬 隔 瓜 絪 腹
+
C921
NC
!
R947
NC
R918
100 OH M 1/4W
R943
470R 1/8W
R915
100K OHM 1% 1/8W
HS5
SHI ELD(H 85G0002-1)
1
2
R912
220 OH M 1/4W
F902
NC
R948
NC
+
C917
680uF/ 25V
t
NR901
NTCR
C906
1500pF2KV
L903
1.0uH
AOC 831S
Q904
NC
L905
NC
R905
NC
-+
BD901
KBP208G
2
1
3
4
+
C922
470PF50V
Q903
PMBS3904