Lenovo L2021 WA, Руководство по обслуживанию

Страница: 20 / 64

Lenovo Service Manual L2021W
20
MCU_VCC
1
WP
X401
24mhz
1 2
C409
NC/10pF
R403
3.9K Ω 1/16W
C411
10pF
2006-12-8 change R437,R401 from 10K to 3.9K
C403
0.1uF/16V
LED_R# {2}
R409 NC
2007-1/3 change ref from Y401
to X401
R431
6K8 1/16W
Volume#
'06-11-03
DVII_DETECT {3}
DSUB_V {3}
MCU_VCC_S
C406
0.1uF/16V
+
C405
10UF50V
R432 100R 1/16W
PANEL_VCC
'06-11-03
R
4
45
4K
7 1
/16
W
MCU_VCC
R425
10K 1/16W
R437
3.
9K
O
H
M
+
-1
%
1/
16
W
DSUB_V
R410 NC
D402
BAV70
C412
1uF 10V
MCU_VCC_S
KEY0 {2}
KEY0
KEY1
U402
AZ431AN-AE1
RTD_SD3/SDI {5}
R439
6K8 1/16W
Q401
MMBT3904
RTD_SCLK {5}
PANEL_ID#
WP
R411
4K7 1/16W
R4
13
4
K
7 1/
1
6W
2007-02-06 add for EMI
'06-11-24 D402 change
Value from BAT54 to
BAV70
DVI_5V
R406
N
C
/4
K
7 1/
1
6W
5%
MCU_VCC
'07-01-10
change to
Elite
LED_G#
R427 NC/1K 1/16W 5%
IICSCL
RTD2122L
U401 RTD2122L-LF
1
2
3
4
5
6 7
8
17 15
41 40 39 38 37 36 35 34 33
19
28
29
20
21
22
23
24
25
26
27
16
9
10
11
12
13
14
18
30
31
32
43 42
44
45
46
47
48
P5.5/PWM5
DSCL2/P5.6
DSDA2/P5.7
RS
T
ASCL1/P3.0/RXD
NC NC
ASDA1/P3.1/TXD
VSS XO
VC
C
P1.
0/
T
2
P1.
1
P1.
2
P1.
3
P1.
4
P1.
5
P1.
6
P1.
7
NC
VSYNC
NC
P6.0/ADC0
P6.1/ADC1
P6.2/ADC2
P6.3/ADC3
P6.4
P6.5
P6.6/CLKO1
P6.7
XI
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P7.6/CLKO2
P7.7
NC
NC
NC
NC
NC NC
P5.0/PWM0
P5.1/PWM1
P5.2/PWM2
P5.3/PWM3
P5.4/PWM4
DDC2_SCL
KEY1 {2}
INV_ON# {2}
C404
NC
2006-11/7 R423-R424 change from
100R to 1K
DSUB_V1
2
2007-1-15
change
from 4.7K
to 2.2K
VCC3
DSUB_CONNECT
CRYSTAR_OUT
'06-11-24
ADD D403
R423 NC
POWER_KEY#
R422 NC
R405
N
C
/4
K
7 1/
1
6W
5%
CMVCC
C401
10pF
R420 NC
R
4
44
4K
7 1
/16
W
MCU_VCC_S
2007-01-11 ADD
DDC1_SDA {3}
C410
0.1uF/16V
PANEL_ID# {2}
Closed to MCU
IICSCL
R442 100R 1/16W
DSUB_5V
CRYSTAR_OUT {5}
POWER_KEY#
Volume# {2}
R401
3.
9K
O
H
M
+
-1%
1
/16
W
3
CBPCRRHBFQ1 1.2
BenQ G920HD
B
4 6 Monday , March 30, 2009
715G3327-1
< 称爹 >
4.MCU/RTD2122L
G3327-1-X-X-1-081127
OEM MODEL Size
Rev
Date Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
HPD_CTL
{3}
INV_ON#
2006-11/23 change R413-4,R443-R444
pull high pin from DSUB_VCC ,DVI_VCC
to MCU_VCC
07-01-10 change to 93G22-45-H
DDC1_SCL {3}
Mute
IICSDA
R434 100R 1/16W
IICSDA
DIM#
2006-11/7 Add pull high R451 to MVCC
,R453,R454 pull up MCU_VCC
MVCC
MCU_VCC
Mute {2}
DDC2_SDA
R453
1K
1/
16
W
DSUB_CONNECT {3}
POWER_KEY# {2}
DDC1_SDA
R408 NC
MCU_VCC_S
RTD_SCLK
MCU_VCC_S
DDC2_SDA {3}
R424 1K 1/16W
C402
NC
CMVCC
D403
LL4148
R430 100R 1/16W PPWR_ON#
R433 100R 1/16W
DDC2_SCL {3}
BAT54C
R4
14
4
K
7 1/
1
6W
DIM# {2}
D401 is Reserve for
powerBoard CMVCC=3V
R
4
43
4K
7 1
/16
W
RTD_SD3/SDI
R404
10K 1/16W
MCU_VCC
R407
4K
7 1
/16
W
5
%
D401
NC
1
3
2
LED_R# R435 100R 1/16W
U403
NC/M24C16
1
2
3
4 5
6
7
8
NC
NC
NC
VSS SDA
SCL
WC
VCC
R454
NC
LED_G# {2}
R451
4K
7 1
/16
W
R436
10K 1/16W
MCU_VCC
PPWR_ON# {6}
R438
3.
9K
O
H
M
+
-1%
1
/16
W
R415
6K8 1/16W
FB401
150 OHM
DDC1_SCL
R429 0R05 1/16W
R412
4K7 1/16W
2006-11-3 change R431 from 1K to 6.8K
Closed to X'tal
R416
10K 1/16W 5%
R402
1K 1/16W