Lenovo LXM-WL19CH Service Manual page 20

19" LCD Color Monitor
VCC1.8 FB401 VDDC
2 VCC1.8
120 OHM
+
C403
10uF/16V
C404 C405
3
3
3
3
3
3
3
3
3
3
3
VCC3.3 FB403 VDDP
2,3 VCC3.3
120 OHM
+
C408
10uF/16V
C409 C410 C411
AVDD
VCC3.3
????
R480
NC
VCC3.3 8
7
C417 3
0.1uF/16V 4
C418
+
10uF/16V
R479
10K 1/16W
D414 R404
LL4148 10K 1/16W C421 22pF
14.318MHz
C423 22pF
VCC3.3
U405 MAX810STR (NC)
3 2
VCC RST
VCC3.3
R407
R410
Re s e t
Circuit
VDVI VMPLL AVDD VDDP
VPLL
C406 C402
23
RIN
RIN0P
22
GNDR
RIN0N
20
GIN
GIN0P
19
GNDG
GIN0N
21
SOG
SOGIN0
18
BIN
BIN0P
17
GNDB
BIN0N
27
HSY NC
HSY NC0
28
VSY NC
VSY NC0
30
DDCA_SDA
DDCA_SDA/RS232_TX
31
DDCA_SCL
DDCA_SCL/rs232_RX
C412 C413
15
REXT
R403 390 1/16W
26
REFP
C401
0.1uF/16V 25
REFM
U402
PM25LV010-25SCE
2 37
VDD SO SDO
1 38
HOLD# CE# SCZ
6 39
WP# SCK SCK
5 40
VSS SI SDI
48
GPIO_P27/PWM1
R478 100 1/16W
84
RST
96
XIN
X401
97
XOUT
80
BY PASS
C445
0.1uF/16V
NC 52
MODE[0]
NC 53
MODE[1]
R415 R416
10K 1/16W 10K 1/16W
VDDC
81
VCTRL
VCTRL
A0
54
LVA3P
A[0..9]
A1
55
LVA3M
58 A2
LVACKP
59 A3
LVACKM
A4
60
LVA2P
A5
61
LVA2M
62 A6
LVA1P
63 A7
LVA1M
A8
64
LVA0P
A9
65
LVA0M
67 B0
LVB3P
B1 B[0..9]
68
LVB3M
B2
69
LVBCKP
70 B3
LVBCKM
71 B4
LVB2P
B5
72
LVB2M
B6
73 R405
LVB1P
74 B7
LVB1M
77 B8 20K 1/16W
LVB0P
B9
78
LVB0M
R406
36 10K 1/16W
NC
45
NC
46
NC
+5V
41
GPIO_P23
42
GPIO_P22
35
GPIO_P15/PWM0 on_PANEL 2
47
DET_VGA 3
PWM2/GPIO_P24
85
GPIO_P12 on_BACKLIGHT 2
86
adj_BACKLIGHT 2
PWM1/GPIO_P25
87
RSTN
KEY 1
88
GPIO_P00/SAR1
KEY 2
89
GPIO_P01/SAR2
90 AUTO C424
GPIO_P02/SAR3
91 R422 4.7K 1/16W
GPIO_P06
92 R423 4.7K 1/16W
GPIO_P07
93
PWM0/GPIO_P26
LEFT
94
GPIO_P13
RIGHT
95
GPIO_P14
99
GPIO_P16/PWM2
R481 R482 R483 R484 R485
VCC3.3
44 VCC3.3
GPIO_P10/I2C_MCL
43
GPIO_P11/I2C_MDA
R424 R425 R426
R428
R429
20
VCC3.3 FB402 AVDD
2,3 VCC3.3 2,3 VCC3.3
120 OHM
C407
0.1uF/16V
2
A[0..9] 5
VCC3.3 FB405 VPLL
2,3 VCC3.3 2,3 VCC3.3
120 OHM
C416
0.1uF/16V
B[0..9] 5
DDC_WP 3
Q402
PMBS3904
C422
0.1uF/16V
VCC3.3
+5V 2,3
R414
R413 470 1/16W
10K 1/16W
R412 VCC3.3
NC/10K 1/16W Q401
PMBS3906
R417 NC/20K 1/16W R408 R409
470 1/16W
NC/0.1uF/16V
Q403
PMBS3906
R421 470 1/16W
R419 470 1/16W
AUTO
R486 NC
KEY 2
R474 470 1/16W
RIGHT R475 NC
LEFT R476 470 1/16W
KEY 1
R477 470 1/16W
C431 C426 C446
C425
U403
8 1
VCC A0
R427 7 2
WP A1
6 3
SCK A2
5 4
SI VSS
M24C16-MN6T
Option Title
SCALER
Size Document Number
Custom
Date: Friday , August 19, 2005
Lenovo LXM-WL19CH
VCC3.3 FB404 VDVI
120 OHM
C414 C415
0.1uF/16V 0.1uF/16V
VCC3.3 FB406 VMPLL
120 OHM
C419
0.1uF/16V
CN403 CONN
LEDG LEDA
KEY _AUTO
KEY _RIGHT
KEY _POWER
KEY _MENU
KEY _LEFT
C427 C428 C429 C430
Rev
715G1697-1-2 A
Sheet 4 of 5