LG FLATRON E1940T Service Manual page 29

VCC1.8
FB401
AVCC
300 OHM
VCC3.3
C440 C403 C404
4.7UF 10V 1uF 16V 1uF 16V
C0805 C0603 C0603
DVDD
FB404
0 OHM +-5% 1/8W
C412 C430 C423
C410
4.7UF 10V 100N 16V 100N 16V 100N 16V
C0805
FB407
ADC_VAA33
300 OHM
C439 C447
4.7UF 10V 100N 16V
C0805
FB406
ADC_BIAS
0 OHM +-5% 1/8W
C409 C448
4.7UF 10V 1uF 16V
C0805 C0603
+5V
R403
10K1/16W
R407
20K OHM 1/16W 5V_DET
3
3
C446 100N 16V
DVDD
R455
NC/10K 1/16W 5%
TP
TP1
TX
DVDD
R405
10K1/16W C422
100N 16V
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CVDD
FB403
NC/0R051/8W
C406 C407 C442
FB405
NC/300 OHM 100N 16V 100N 16V 100N 16V
ADC_VAA18
VCC3.3
FB408
300 OHM
C438
1uF/16V
C441 C449
4.7UF 10V 100N 16V C413
C0805 100N 16V
U401
R401
AVCC
470 OHM +-1% 1/16W
16
REXT
4
2 RX2P
RX2+
5
2 RX2N
RX2-
7
2 RX1P RX1+
8
2 RX1N RX1-
10
2 RX0P RX0+
11
2 RX0N RX0-
13
2 RXCP RXC+
14
2 RXCN
RXC-
41
2 DSUB_H
HSY NCI1
42
2 DSUB_V
VSYNCI1
19
2 DSUB_B+ BIN1+
20
2 DSUB_B- BIN1-
21
2 DSUB_SOG SOG1I
22
2 DSUB_G+ GIN1+
23
2 DSUB_G- GIN1-
24
2 DSUB_R+
RIN1+
25
2 DSUB_R-
RIN1-
34
2 DDC_D_SDA
PB7/DDC_SDA1*
35
2 DDC_D_SCL
PB6/DDC_SCL1*
46
2 DDC_A_SDA PB5/DDC_SDA0*
47
2 DDC_A_SCL PB4/DDC_SCL0*
30
PB3/ADC3/INTE1
33
PB2/ADC2/INTE0
KEY 1 R415 1K 1/16W 5% 125
KEY 1 PB1/ADC1
KEY 2 R416 1K 1/16W 5% 126
KEY 2 PB0/ADC0
SPI_CE 104
SPI_CE
SPI_SO 105
SPI_SO
SPI_SI 106
SPI_SI
SPI_CK 107
SPI_CLK
WP 108
PD4
48
2 VGA_DET
PD5
29
2 DVI_DET
PD6
MSDA R431 NC/100R 1/16W 5% 49
P35
MSCL R429 NC/100R 1/16W 5% 50
P34
R412 NC/100R 1/16W 5% 31
P31/TXD
32
P30/RXD
1
RSTB
127
OSCI
C420
22pF X401 R462
12MHz 1M 1/16W 5%
128
OSCO
C421
22pF
NT68668FG
DVDD
C401
220nF 16V
SPI_CE
SPI_SO
WP R409 100OHM1/16W
R413
10K1/16W
ADC_VAA18
AVCC
DVDD
CVDD ADC_BIAS
ADC_VAA33
100
DGND/CGND
99
DGND/CGND
98
DGND/CGND
97
DGND/CGND
96
DGND/CGND
95
DGND/CGND
94
DGND/CGND
93
DGND/CGND
92
DGND/CGND
91
DGND/CGND
88
T0M
87
T0P
86
T1M
85
T1P
84
T2M
83
T2P
82
TCLK1M
81
TCLK1P
80
T3M
79
T3P
77
T4M
76
T4P
75
T5M
74
T5P
73
T6M
72
T6P
71
TCLK2M
70
TCLK2P
69
T7M
68
T7P
62
VCKI
61
V7
60
V6
59
V5
58
V4
57
V3
56
V2
55
V1
54
V0
113 R418
INT_VSO
114 R417
INT_HSO
117
PWMA*
118
PWMB*
103
PC7
102
PC6
124 R425
PC5
123
PC4/PWM1
122
PC3/PWM0
110
PC2
121
PC1*
120
PC0*
40
PA7/PWM9*
39
PA6/PWM8*
38 R402
PA5/PWM7*
37
PA4/PWM6*
36 R406
PA3/PWM5
67 R419
PA1/PWM3
66 R420
PA2/PWM4
65
PA0/PWM2
U402
R440 R441
1 8 NC/4K7 1/16W 5%
CE# VDD
2 7 NC/4K7 1/16W 5%
SO HOLD#
3 6 SPI_CK
WP# SCK
4 5 SPI_SI EE_WP
GND SI
MSCL
MSDA
PM25LV020-100SCE
R475
R477
NC/56K 1/16W 5%
R476
NC/0R05 1/16W
TC_PW Q403
NC/2N3906S-RTK/PS
R478
NC/0R05 1/16W
T0M 3
T0P 3
T1M 3
T1P 3
T2M 3
T2P 3
TCLK1M 3
R466
TCLK1P 3
0R05OHM1/16W
T3M 3
R465
T3P 3
2K2 1/16W 5%
T4M 3
R467
T4P 3
T5M 3
T5P 3
T6M 3
LED_C 1 Q401
T6P 3
LMBT3906LT1G
TCLK2M 3
TCLK2P 3
T7M 3
R468
T7P 3
R469
NC/2K2 1/16W 5%
LED_B Q402
NC/2N3906S-RTK/PS
R472
120R 1/16W 5% VSO
100OHM1/16W HSO
adj_BACKLIGHT 4
VSO
HSO
NC/1K 1/16W 5% POWER_KEY#
POWER_KEY # 3
on_BACKLIGHT
DDC_WP 2
HDCP_CTRL 2
NC/100R 1/16W 5% EE_WP
NC/100R 1/16W 5% TC_PW
10K1/16W LED_C
NC/10K 1/16W 5% LED_B
PPWR_ON# 3
LGE Internal Use Only
DVDD
C411
NC/0.22uF16V
U403
8 1
VCC NC
7 2
WC NC
6 3
SCL NC
5 4
SDA VSS
NC/M24C16
+5V
NC/0R05 1/16W
VCC3.3
LF_B
LF_B 3
+5V
VCC3.3
NC/0R05 1/16W
LED_ORG
LED_ORG 3
100OHM +-5% 1/8W
+5V
LED_GRN/BLUE
LED_GRN/BLUE 3
NC/100OHM +-5% 1/8W
R446
0R05OHM1/16W
on_BACKLIGHT_1 4