LG E1941S Service Manual page 30

VCC3.3
R408 NC/10K 1/16W 5% R405 100OHM1/16W
R452 100OHM1/16W
R449 100OHM1/16W
C408
U402
220N16V
1 8
CE# VDD
2 7
SO HOLD#
3 6 R450 100OHM1/16W
WP# SCK
4 5 R451 100OHM1/16W
GND SI
Pm25LD020C-SCE
R471
10K+-5%1/16W
U403
8 1
VCC A0
EE_WP 7 2
WP A1
MSCL 6 3
SCL A2
MSDA 5 4
SDA GND
NC/M24C04
CN401
1 key 3
2 key 4
3
4
5
6
7
8
NC/CONN
CN406 CN402
6 1 key 1
5 2 key 2
4 3 POWER_KEY #
3 4 LED_GRN/BLUE
2 5 LED_ORANGE
1 6 GND
NC/CONN NC/CONN
CN407 CN408
7 1
6 2
5 3
4 4 FB410
3 5
2 6 GND 1
1 7 NC/BEAD
FB409
CONN NC/CONN TOUCH_PANEL 1
NC/BEAD
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4 BIN+
4 BIN-
4 SOGI
4 GIN+
4 GIN-
4 RIN+
4 RIN-
4 HSIN
4 VSIN
WP
SPI_SO
SPI_CE
4 DDC_SDA
4 DDC_SCL
SPI_CK
SPI_SI
SPI_CE
SPI_SI
SPI_SO
SPI_CK
VCC3.3
4 VGA_DET
POWER_KEY # R419
MSCL R463
VCC3.3
MSDA R464
R417
10K+-5%1/16W
C429
NC/0.22uF16V
C401
C411 27P 50V
100N16V
X401
12MHz
C412 27P 50V R429
R403 NC/2K2 1/16W 5%
R404 NC/2K2 1/16W 5%
VCC3.3
7 VCC3.3
0R01 1/16W
R416
R411 0R01 1/16W
Change Zener Diode position
2
VCC3.3
2
VCC3.3
ADC_3.3 ADC_1.8 CVDD_3.3
C431 CVDD_1.8
100N16V
DVDD
U401
4
BIN1+
5
BIN1-
6
SOG1I
7
GIN1+
8
GIN1-
9
RIN1+
10
RIN1-
14
HSY NCI1
15
VSY NCI1
NT68168AFG/B
PWMB*/PC1*
PWMA*/PC0*
17
PB5*/DDC_SDA*/TX
16
PB4*/DDC_SCL*/RX
62
SPI_CE
61
SPI_SI PA7*/PWM9*
60
SPI_SO PA6*/PWM8*
59
SPI_CLK PA5*/PWM7*
PA4*/PWM6*
PA3/PWM5
PA2/PWM4
51
P35 PA1/PWM3
1K 1/16W 19
P34 PA0/PWM2
NC/100R 1/16W 5% 31
P31/TXD
NC/100R 1/16W 5% 30
P30/RXD
18
RSTB
PB3/ADC3
63
OSCO PB2/ADC2
PB1/ADC1
PB0/ADC0
R462
1M 1/16W
64
OSCI
0R01 1/16W
Del R401
R465 R467 NC0R05 1/16W
NC/4K3 OHM 1/16W 5%
LEDB Q407
NC/2N3906S-RTK/PS
R466 NC/470R 1/16W 5%
R402
NC/0R05 1/16W
R468 R470 0R01 1/16W
2.2K 1/16W
LEDO Q408
2N3906S-RTK/PS
LED_ORANGE
R469 560OHM +-5% 1/10W
49
T0M 6
T0M
48
T0P T0P 6
47
T1M T1M 6 7
46
T1P 6
T1P
45
T2M T2M 6
44
T2P T2P 6
43
TCLK1M 6
TCLK1M
42
TCLK1P TCLK1P 6
41
T3M T3M 6
40
T3P 6
T3P
39
T4M 6
T4M
38
T4P T4P 6
37
T5M 6
T5M
36
T5P 6
T5P
35
T6M T6M 6
34
T6P 6
T6P
33
T7M 6
T7M
32
T7P T7P 6
52
DDC_WP 4
29
BL_ADJ 7
53
Volume# 7
54
Mute# 7
28 EE_WP
27
Panel_ID# 7
57 WP
58 R414 NC/22K 1/16W 5% LEDB
21 R410 10K+-5%1/16W LEDO
20
PANEL_EN 6
55 5V_DET
56
BL_ON 7
23 KEY 1_ESD
22 KEY 2_ESD
R473
1K 1/16W
key 1
R474
1K 1/16W
key 2
+5V
+5V 4,6,7
R406
10K+-5%1/16W
R409
20K 1/16W
+5V 5V_DET
C409 100N16V
LED_GRN/BLUE
DVDD
+5V
T P V ( Top Victory Electronics Co . ,
G3225-1-2-X-42-101119
絬 隔 瓜 絪 腹
Key Component 3.SCALER
Date Tuesday , Nov ember 23, 2010
FB404
VCC3.3 DVDD
120 OHM
C451
C450
10UF 6.3V X5R +-20% C430
NC 4.7uF 10V
VCC1.8
ADC_1.8
FB403
0R051/8W
C442 C406
4.7uF 10V
100N16V
CVDD_1.8
FB406
0R051/8W
C443 C407
4.7uF 10V
100N16V
VCC3.3
FB407
ADC_3.3
300 OHM
C439 C433
2.2U10V 100N16V
C0603
FB405
CVDD_3.3
300 OHM
C445 + C444 C410
2.2U10V 100N16V
NC100uF/16V C0603
Ltd. ) OEM MODEL Size C
TPV MODEL Rev E
PCB NAME G3225-1-2
称爹
Sheet 3 of 5
LGE Internal Use Only