Acer X173 Service Manual page 45

DSUB_5V CMVCC
'06-11-24 D402 change CMVCC
Value from BAT54 to
BAV70
C402 D402
BAV70 2
Reserve for powerBoard
NC
Q401 CMVCC=3V
PMBS3904
MCU_VCC_S
R402
1K 1/16W
R403
3.9KΩ 1/16W
U402
AZ431AN-AE1
R404
10K 1/16W
2006-11/7 Add pull high R451 to MVCC
,R453,R454 pull up MCU_VCC
2006-11/7 R423-R424
change from 100R to
1K
Volume# R420 100R 1/16W
{2} Volume#
Mute R422 100R 1/16W
{2} Mute
PANEL_ID# R423 1K 1/16W
{2} PANEL_ID#
DIM# R424 1K 1/16W
{2} DIM#
PPWR_ON# R430 100R 1/16W
{6} PPWR_ON#
INV_ON# R432 100R 1/16W
{2} INV_ON#
DDC1_SCL
{3} DDC1_SCL
DDC1_SDA
{3} DDC1_SDA
LED_G#
{2} LED_G#
LED_R#
{2} LED_R#
R415
PANEL_VCC
6K8 1/16W
2007-01-11 ADD
D401
NC
1
MCU_VCC
C412
1uF 10V
3
1
BAT54C
2006-11/23 change R413-4, pull high pin
from DSUB_VCC ,DVI_VCC to MCU_VCC
VCC3 MCU_VCC_S
C405
C406
+
10uF/50V 0.1uF/16V
R454 R453 R451 R413 R414
'07-01-10
change to
Elite
U401
2007-1-15 change from 4.7K to 2.2K
44
P5.0/PWM0
45
P5.1/PWM1
46
P5.2/PWM2
47
P5.3/PWM3
48
P5.4/PWM4
1
P5.5/PWM5
2
DSCL2/P5.6
3
DSDA2/P5.7
R426 22R 1/16W 5
ASCL1/P3.0/RXD
R428 22R 1/16W 8
ASDA1/P3.1/TXD
2006-11/7 change R426,R428 from 9
P3.2/INT0
100 ohm to 22 ohm 10
P3.3/INT1
11
P3.4/T0
12
P3.5/T1
13
P7.6/CLKO2
14
P7.7
C403
R416 0.1uF/16V 24mhz
10K 1/16W X401
1 2
R439
Closed to X'tal 6K8 1/16W
C401 C411
10pF 10pF
Closed to MCU
2
MCU_VCC
MCU_VCC R411 R412
4K7 1/16W 4K7 1/16W
IICSDA
IICSCL
WP
RTD_SD3/SDI
RTD_SD3/SDI {5}
RTD_SCLK
RTD_SCLK
C409
NC
MCU_VCC
32
NC
31 R425
NC
30 10K 1/16W
NC
29
NC
28 DSUB_V1 R427
VSY NC
27
P6.7
26 R429
P6.6/CLKO1
RTD2120L
25
P6.5
24
P6.4
23
P6.3/ADC3
22 R433 100R 1/16W
P6.2/ADC2
21 R434 100R 1/16W
P6.1/ADC1
20 R435 100R 1/16W
P6.0/ADC0
RTD2120L-LF
R437
3.9KΩ 1/16W
3.9KΩ 1/16W
2007-1/3 change ref from Y401 MCU_VCC
to X401
2006-12-8 change R437,R401 from 10K to 3.9K
07-01-10 change to 93G22-45-H
T P V ( Top
絬 隔 瓜 絪 腹
G2498-1-K-AC-1-070707
Key Component
Date
45
MCU_VCC
C404
R405
NC/0.22uF
U403
1 8
NC VCC
2 7
NC WC
3 6
NC SCL
4 5
VSS SDA
NC
{5}
NC DSUB_V
DSUB_V {3}
0R05 1/16W CRY STAR_OUT
CRY STAR_OUT {5}
DSUB_CONNECT
DSUB_CONNECT {3}
POWER_KEY #
POWER_KEY # {2}
KEY 1
KEY 1 {2}
KEY 0
KEY 0 {2}
R401 R438
10K 1/16W R436
10K 1/16W
Victory Electronics Co . , Ltd. ) OEM MODEL
X173
TPV MODEL
T77SRDDNHSABN
04.MCU/RTD2120L PCB NAME 715G2498-1-K-AC
Monday , July 09, 2007 Sheet 4 of
R406 R407
R408 NC WP
R409 NC IICSCL
R410 NC IICSDA
MVCC
R431
6K8 1/16W
2006-11-3 change R431 from 1K to 6.8K
C410
0.1uF/16V
Size B
Rev 1
称爹
6