LG Flatron W1943TB Service Manual page 39

FB401 FB406
AVCC
300 OHM 300OHM
C440 C403 C404
4.7UF 10V 1uF 16V 1uF 16V
C0805 C0603 C0603
VCC3.3
FB404
DVDD
300 OHM
C410 C412 C430
0.1UF 16V 0.1UF 16V 0.1UF 16V
FB407 0402
ADC_VAA
300 OHM
C439 C447
1uF 16V 0.1UF 16V
+5V
R403
10K 1/16W 5%
R407
20K OHM 1/16W
5V_DET
3
3
C446 0.1UF 16V
+5V
CN407
1
2 TX
3
4 MUTE
4 DVDD
NC/CONN R405
10K 1/16W 5% C422
DUBUG 0.1UF 16V
FB403
VCC1.8 CVDD
300OHM
PVCC
C406
0.1UF 16V
C448
1uF 16V
C0603
C438
1uF/16V
C413
0.1UF 16V
C423
0.1UF 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 HSYNCI1
42
2 DSUB_V
VSY NCI1
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 DDC1_SDA
PB7/DDC_SDA1*
35
2 DDC1_SCL
PB6/DDC_SCL1*
46
2 DDC2_SDA PB5/DVI_SDA0*
47
2 DDC2_SCL PB4/DVI_SCL0*
30
PB3/ADC3/INTE1
33
PB2/ADC2/INTE0
KEY 1 R415 1K 1/16W 5% 125
KEY 1 PB1/ADC1
KEY 2 R416 126
KEY 2 PB0/ADC0
1K 1/16W 5%
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 NC/R431 NC/RST CHIP 100R 1/16W 5% 49
P35
MSCL NC/R429 NC/100R 1/16W 5% 50
P34
R412 NC/100R 1/16W 5% 31
P31/TXD
R454 NC/10K 1/16W 5% 32
P30/RXD
1
RSTB
X401 127
OSCI
C420
22pF R462
1M 1/16W 5%
12MHz
128
OSCO
C421
22pF
DVDD
C401 R414
0.22uF16V NC
WP R409 100R 1/16W 5%
C407 C442 R413
10K 1/16W 5%
0.1UF 16V 0.1UF 16V
AVCC DVDD
+5V
CVDD
PVCC
ADC_VAA BUZZER
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
RSGB1M/T0M
87
RSGB1P/T0P
86
RSCLKBM/T1M
85
RSCLKBP/T1P
84
RSBB3M/T2M
83
RSBB3P/T2P
82
RSBB2M/TCLK1M
81
RSBB2P/TCLK1P
80
RSBB1M/T3M
79
RSBB1P/T3P
77
RSRA3M/T4M/RSRB0M
76
RSRA3P/T4P/RSRB0P
75
RSRA2M/T5M/GSGB0M
74
RSRA2P/T5P/RSGB0P
73
RSRA1M/T6M/RSGB0M
72
RSRA1P/T6P/RSBB0P
71
RSGA3M/TCLK2M
70
RSGA3P/TCLK2P
69
RSGA2M/T7M
68
RSGA2P/T7P
63
DGND/CGND
62
RSGA1P/VCKI
NT68667FG/C 61
RSCLKAM/V7
60
RSCLKAP/V6
59
RSBA3M/V5
58
RSBA3P/V4
57
RSBA2M/V3
56
RSBA2P/V2
55
RSBA1M/V1
54
RSBA1P/V0
89
DGND/CGND
110
NC
111
GPO2/AD0
112
GPO3/AD1
113
INT_VSO/GPO4
114
INT_HSO/GPO5
116
NC
117
PWMA*/GPO7
118
PWMB*/GPO8
103
PC7
102
PC6
124
PC5
123
PC4/PWM1
122
PC3/PWM0
28
PC2
121
PC1*
120
PC0*
40
PA7/PWM9*
39
PA6/PWM8*
38
PA5/PWM7*
37
PA4/PWM6*
36
PA3/PWM5
67
PA1/PWM3
66
PA2/PWM4
65
PA0/PWM2
- 39 -
U402
R440 R441
SPI_CE 1 8 NC/4K7 1/16W 5% NC/4K7 1/16W 5%
CE# VDD
SPI_SO 2 7
SO HOLD#
3 6 SPI_CK
WP# SCK
4 5 SPI_SI EE_WP
VSS SI
MSCL
MSDA
SST25LF020A-33-4C-SAE
CN406
1 For BUZZER control board
2
or Touch Panel
3
NC/CONN
R475
NC/2K2 1/16W 5%
LED_A Q403
NC/2N3906S-RTK/PS
T0M 3
T0P 3
T1M 3
T1P 3
T2M 3
R465
T2P 3
2K2 1/16W 5%
TCLK1M 3
TCLK1P 3
T3M 3
T3P 3
LED_C Q401
T4M 3
2N3906S-RTK/PS
T4P 3
T5M 3
T5P 3
T6M 3
T6P 3
TCLK2M 3
TCLK2P 3
T7M 3
T7P 3
R469
NC/2K2 1/16W 5%
LED_B Q402
NC/2N3906S-RTK/PS
R418 120R 1/16W 5% VSO
R417 100R 1/16W 5% HSO
adj_BACKLIGHT 4
R404 100R 1/16W 5%
Volume# 4
VSO
HSO
R425 NC/1K 1/16W 5% POWER_KEY #
POWER_KEY # 3
PANEL_ID# 4
R402 100R 1/16W 5% EE_WP
DDC_WP 2
HDCP_CTRL 2
R421 NC/10K 1/16W 5% BUZZER
on_BACKLIGHT_5v
R406 NC/10K 1/16W 5% LED_A
R419 10K 1/16W 5% LED_C
R420 NC/10K 1/16W 5% LED_B
PPWR_ON# 3
DVDD
C411
NC/0.22uF16V
U403
8 1
VCC NC
7 2
WC NC
6 3
SCL NC
5 4
SDA VSS
NC/M24C16
R476 NC +5V
VCC3.3
R477 NC/0R05 1/16W
LED_LF_BLUE
LED_LF_BLUE 3
R478
NC/100R 1/10W 5%
0R05 1/16W +5V
R466
VCC3.3
R467 NC/0R05 1/16W
LED_ORANGE
LED_ORANGE 3
R468
100R 1/10W 5%
For LED Current,
NC/0R05 1/16W
+5V
need m odify R465/R466/R468/R419
R470
VCC3.3
R471 NC/0R05 1/16W
LED_GRN/BLUE
LED_GRN/BLUE 3
R472
NC/100R 1/10W 5%
on_BACKLIGHT R446
on_BACKLIGHT_1 4
0R05 1/16W
on_BACKLIGHT_5v _1 4
R447 NC/0R05 1/16W
ADD R446,447
LG
20081030