AOC WLA190TWE Service Manual page 17

19.5" LCD Color Monitor
3.3V Power
VCC3.3 FB402
120R 6A
1 2
C403
10UF 10V
VCC3.3
C421
220N16V
1
R409
CS#
2
10K 1/16W 5%
SO/SIO1
3
WP#
4
GND
MX25L4006EM1I-12G
R403
2.2K1/16W
Q401
LED_ORANGE
LMBT3906LT1G
R404
NC R405
470OHM +-5% 1/10W
R406
2.2K1/16W
Q402
LED_GRN/BLUE
LMBT3906LT1G
R407
NC R408
470OHM +-5% 1/10W
ADC_1.2
C442 C411
4.7UF 16V 100N16V
ADC_3.3
CVDD_1.2
2013/07/10
C407
100N 16V
C443 C412
4.7UF 16V 100N16V
C444
4.7UF 16V
2 BIN
2 GNDB
2 SOG
2 GIN
2 GNDG
2 RIN
2 GNDR
2 HSY NC
2 VSY NC
U402
2 DDCA_SDA
8 SPI_SO
2 DDCA_SCL
VCC
7 SPI_CE
HOLD#
6 SPI_CK
R491 22R 1/10W 5%
SCLK
5
SPI_SI
SI/SIO0
R438 100R 1/16W 5% WP
SPI_CE
SPI_SI
C425 +5V SPI_SO
NC/5pF 50V SPI_CK
High=Mute enable,Low=Mute disable for APA2603
R416
L/T_SCL
3 NC/47 OHM 1/16W R431
10K
L/T_SDA
3 NC/47 OHM 1/16W R432
POWER_KEY # 1K R426
VCC3.3
R425
10K
R427 0R05 OHM
C410
100N16V
R429
R430 0R05 OHM
1M
C414 C415
22PF 50V
22PF 50V
+5V
X401
2 1
12MHz
LED_R
+5V
LED_G
ADC_3.3
VCC3.3 ADC_1.2 CVDD_1.2
C413
100N16V
U401
4 48 PA0
BIN1+ T0M
5 47 PA1
BIN1- T0P
6 46 PA2
SOG1I T1M
7 45 PA3
GIN1+ T1P
8 44 PA4
GIN1- T2M
9 43 PA5
RIN1+ T2P
10 42
PA6
RIN1- TCLK1M
41
PA7
TCLK1P 40
PB0
14 T3M 39
PB1
HSY NCI1 T3P
15 38 PB2
VSY NCI1 T4M
37 PB3
T4P
36 PB4
T5M
35 PB5
T5P
34 PB6
T6M
33 PB7
T6P
32
PB8
T7M
31
PB9
T7P
56
PC1#/PWMB#
54
PC0#/LPD_OUT#
17
PB5*/DDC_SDA*/TX
16
PB4*/DDC_SCL*/RX
25
26 SPI_CE 57
SPI_SI PA7#/PWMA#/DBC#
27 58
SPI_SO PA6#/PWMC#
28 21
SPI_CLK PA5#/DBC#/AO_OUTB
55
PA4#/PWMA#/DBC#
59
PA3/PWMB
60
PA2/PWMD
50 20
P35* PA1/PWMD/AO_IN
51 19
P34* PA0*/PWMC*/DBC*/AO_OUT
53
P31*/TXD*
52
P30*/RXD*/LPD_IN0*
18
RSTn/AO_STB_PWR
61 R418
PB3/ADC3/INTE1
63 62
R421
OSCO PB2/ADC2/INTE0
30
PB1/ADC1
29
PB0/ADC0
64
OSCI
NT68169UFG
6 7
5 6
4 5
3 4
2 3
1 2
1
CN403
NC CN402 VCC3.3
CONN
17
PA[0..7]
PA[0..7] 3
PB[0..9]
PB[0..9] 3
adj_BACKLIGHT 5
WP
on_BACKLIGHT 5
PS_EN 5
PANEL_ENABLE 5
Audio_VOL
Audio_VOL 5
LED_ORANGE
R422 10K
LED_GRN/BLUE
R424 10K
DDC_WP 2
DET_VGA1 2
1K KEY 2
KEY 1
1K
5V_DET
Audio_Mute
Audio_Mute 5
NC/22K 1/16W
C437 NC
VCC3.3
R435
R433 3K9 +/-5% 1/16W
3K9 +/-5% 1/16W R434
3K9 +/-5% 1/16W
KEY 1
KEY 2
POWER_KEY #
LED_G
LED_R
1 KEY1 AUTO(2k)/UP(100)
2 KEY2 DOWN(2K)/MENU(1K)
3 POWER_KEY# POWER KEY(100)
4 LED_G GREEN
5 LED_R YELLOW
6 GND GND
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
絬 隔 瓜 絪 腹 TPV MODEL
Key Component PCB NAME
Date Thursday , July 11, 2013 Sheet 4 of 5
AOC WLA190TWE
+5V
R453
NC/10K+-5%1/16W
R454
5V_DET
Size C
Rev A
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