Acer AL1751, Service Manual

Page: 49 / 52

49
D402
BAV99
3
1 2
R417 100 1/16W
R438
4.7K 1/16W
R429 10K 1/16W
R440
22K 1/16W
KEY_AUTO
SW403
KEY AUTO
C434 22pF
RP401
10K 1/16W
1 2 3 4
8 7 6 5
R416 10K 1/16W
C431
0.1uF
RXD 4
AD3 5
R414 100 1/16W
D401
LL4148-GS08
R427
NC
R420 NC
AD0 5
D404
BAV99
3
1 2
R435 470 1/16W
ENTER
R432 470 1/16W
SW405
KEY MENU
KEY_RIGHT
ST_DET2 4
RIGHT
DP1
DUAL LED
1 2
3
SDA 5
AD1 5
LED_ORANGE
LED_B
C437
0.1uF
U402
W78E65P-40
35
21
20
10
14
15
16
17
2
3
4
5
6
7
8
9
43
42
41
40
39
38
37
36
24
25
26
27
28
29
30
31
19
18
32
33
13
11
22
44
12
EA/VP
XTAL1
XTAL2
RESET
INT0/P3.2
INT1/P3.3
T0/P3.4
T1/P3.5
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.7/RD
P3.6/WR
PSEN
ALE/P
P3.1/TXD
P3.0/RXD VSS
VCC
P4.3
Reset
Circuit
VCPU
R437
4.7K 1/16W
R425 10K 1/16W
DDC_DAT 4
R424 100 1/16W
VCPU
AUTO
R434
120 1/16W
POWER
D403
BAV99
3
1 2
C452
1000pF
C440
0.001uF
VCPU
KEY_ONOFF
SCL 5
U404 MAX810STR
1
2 3
GND
RST VCC
AUDIO_SD 8
DDC_WP 4
X402
20MHz
AUTO
C444
10K 1/16W
R422 100 1/16W
VCPU
KEY_MENU
R409
10K 1/16W
onBACKLITE 3
LEFT
Q403
PMBS3904
C
E
B
VCPU
R430 470 1/16W VCPU
R428
10K 1/16W
RIGHT
R419 NC
C442
0.001uF
KEY_LEFT
Q401
PMBS3906
3
2
1
R421 NC
LED_O
R426 10K 1/16W
C445
0.1uF/16V
RP402
10K 1/16W
1 2 3 4
8 7 6 5
D407
BAV99
3
1 2
INT 5
POWER
ENTER
LED_GRN
CSZ 5
ST_DET1 4
LEFT
DDC_CLK 4
LED_O
SW404
KEY RIGHT
VCPU 3
Standby
VCPU
Q402
PMBS3906
3
2
1
C441
0.001uF
onPANEL_5V/3.3V 3
HWRESET 5
C443
0.001uF
C435
0.22uF
SW401
LCD ONOFF
R423 10K 1/16W
Mute
SW402
KEY LEFT
D406
BAV99
3
1 2
MPU
D
TSU56AK FOR ACER
B
7 8 Wednesday, January 19, 2005
Title
Size Document Number Rev
Date: Sheet of
D408
BAV99
3
1 2
R436 470 1/16W
R441
10K 1/16W
AD2 5
C439
0.001uF
LED_B
AUDIO_MU 8
R415 10K 1/16W
D405
BAV99
3
1 2
U403
AT24C16N-10SC-2.7
1
2
3
4
5
6
7
8
A0
A1
A2
GND SDA
SCL
WP
VCC
TXD 4
C451
1000pF
R433
120 1/16W
R413 10K 1/16W
R411
10K 1/16W
C438
0.1uF
+
C433
10uF/16V
R431 470 1/16W
R412 10K 1/16W
R418 100 1/16W
C432 22pF
VCPU
R410 100 1/16W
C436
0.1uF