Acer AL1702, Service Manual

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45
MCU_VCC
KEY 1 {2}
DDC1_SCL {3}
DSUB_V1
2006-11/7 R423-R424
change from 100R to
1K
Q401
PMBS3904
BAT54C
R403
3.9K 1/16W
RTD_SD3/SDI {5}
R436
10K 1/16W
2007-1/18 change X401 to 75
Degree
R407
N
C
/4
K7 1/
16
W
R454
1K 1/
16W
R451
4K7 1/
16
W
'06-11-24 D402 change
Value from BAT54 to
BAV70
PANEL_ID# {2}
2006-11/7 change R426,R428 from
100 ohm to 22 ohm
R430 100R 1/16W
KEY 0 {2}
2006-11/23 change R413-4, pull high pin
from DSUB_VCC ,DVI_VCC to MCU_VCC
2007-1-15 change R413, R414 from
4.7K to 2.2K
MCU_VCC
C401
10pF
R414
2K2 1/
16W
INV_ON# {2}
DIM#
RTD_SCLK
KEY 1
R432 100R 1/16W
DSUB_CONNECT
Reserve for powerBoard
CMVCC=3V
DSUB_CONNECT {3}
IICSDA
R410 NC/100R 1/16W
U402
AZ431AN-AE1
DDC1_SDA
INV_ON#
R405
N
C
/4
K7 1/
16
W
R411
4K7 1/16W
D401
BAT54C(NC)
1
3
2
C411
10pF
C402
1uF 10V
D402
BAV70
2007-01-11 ADD
R427 0R05 1/16W
R404
10K 1/16W
PPWR_ON# {6}
Mute {2}
MCU_VCC_S
R438
10K 1/16W
R453
1K 1/
16W
2006-11/7 Add pull high R451 to MVCC
,R453,R454 pull up MCU_VCC
3
PANEL_VCC
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
RTD_SD3/SDI
Volume# {2}
PANEL_ID#
RTD_SCLK {5}
Mute
R402
1K 1/16W
R439
6K8 1/16W
R422 100R 1/16W
WP
Closed to X'tal
2007-1/3 change ref from Y401
to X401
PPWR_ON#
R401
3.9K 1/16W
R416
10K 1/16W
MCU_VCC_S
R431
6K8 1/16W
Volume#
2006-11-3 change R431 from 1K to 6.8K
LED_G#
R423 1K 1/16W
C410
0.1uF/16V
C409
NC(22pF/16V)
CMVCC
IICSCL
KEY 0
+
C405
10uF/50V
C412
1uF 10V
DSUB_5V
MCU_VCC
DDC1_SDA {3}
R424 1K 1/16W
R409 NC/100R 1/16W
R415
6K8 1/16W
DDC1_SCL
LED_G# {2}
C404
NC/0.22uF
2
LED_R# {2}
C403
0.1uF/16V
R412
4K7 1/16W
R425
10K 1/16W
R428 22R 1/16W
R420 100R 1/16W
Closed to MCU
X401
24mhz
1 2
R434 100R 1/16W
2006-12-8 change R437,R401 from 10K to 3.9K
G2498-A-AC-X-1-070307 2
MCU/RTD2120
B
4 6 Wednesday , March 07, 2007
Title
Size Document Number Rev
Date: Sheet of
POWER_KEY #
R408 NC/100R 1/16W
MCU_VCC
R413
2K2 1/
16W
1
MVCC
DSUB_V {3}
DSUB_V
R437
3.9K 1/16W
R433 100R 1/16W
R426 22R 1/16W
C406
0.1uF/16V
VCC3
R429 0R05 1/16W
CRY STAR_OUT {5}
CRY STAR_OUT
WP
MCU_VCC
CMVCC
DIM# {2}
RTD2120L
U401
RTD2120L-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
P
1
.0
/T2
P1.
1
P1.
2
P1.
3
P1.
4
P1.
5
P1.
6
P1.
7
NC
VSY NC
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
POWER_KEY # {2}
R406
N
C
/4
K7 1/
16
W
IICSCL
MCU_VCC
IICSDA