Acer AL2051 Service Manual page 51

VCPU
U404 MAX810STR
3 2
VCC RST
Reset
Circuit
C435
U403
0.22uF 1
A0 VCC
2
A1
3
A2
4
GND
AT24C16N-10SC-2.7
8 AUDIO_SD
8 AUDIO_MU
VCPU
VCPU
R433
120 1/16W
R437
LED_B B Q401 Q402
4.7K 1/16W PMBS3906 PMBS3906
LED_GRN LED_ORANGE
DP1
D402
BAV99
VCPU DUAL LED
C451
1000pF C452
1000pF
3 VCPU
C432 22pF
X402
C433 20MHz
+
10uF/16V
C434 22pF
D401 R411
5 INT
LL4148-GS08 10K 1/16W R414 100
R417 100
VCPU
R413 10K 1/16W
R416 10K 1/16W
R409 10K 1/16W
8
WP
7 R418
WP
6 100 1/16W
SCL
5
SDA
R423 10K 1/16W
R421 NC R425 10K 1/16W
Standby
R426 10K 1/16W
R429 10K 1/16W Mute
4 ST_DET1
4 ST_DET2
5 HWRESET
C437 C438
5 ALE
3 onPANEL_5V/3.3V
0.1uF 0.1uF
3 onBACKLITE
R458 10K 1/16W
VCPU R459 10K 1/16W
R460 10K 1/16W
R461 10K 1/16W
R462 10K 1/16W
R463 10K 1/16W
ENTER
R430 470 1/16W
RIGHT
R431 470 1/16W
R434 AUTO R432 470 1/16W
120 1/16W LEFT R435 470 1/16W
POWER R436 470 1/16W
R438
B LED_O
4.7K 1/16W
D403
BAV99
VCPU
RP401
R464 C431
10K 1/16W
0.1uF
10K 1/16W
U402
35 2
EA/VP P1.0
3
P1.1
21 4
X1 P1.2
5
P1.3
6
P1.4
20 7
X2 P1.5
8
P1.6
9
P1.7
10
RESET
24
P2.0
25
P2.1
14 26
INT0/P3.2 P2.2
1/16W 15 27
INT1/P3.3 P2.3
1/16W 16 28
T0/P3.4 P2.4
17 29
T1/P3.5 P2.5
30
P2.6
36 31 WP
P0.7 P2.7
37
P0.6
38 19
P0.5 RD/P3.7
39 18
P0.4 WR/P3.6
40 32
P0.3 PSEN
41 33
P0.2 ALE/P
42 13
P0.1 TXD/P3.1
43 11
P0.0 RXD/P3.0
LED_O
1 23
P4.2 P4.0
12 34 LED_B
P4.3/ISP P4.1
MTV416/W79E632
For Hardware
ISP
ISP_ON R718 10K 1/16W RIGHT
D404 D405 D406
BAV99 BAV99 BAV99
C443 C442 C441
0.001uF 0.001uF 0.001uF
51
RP402
10K 1/16W
AD0 5
AD1 5
AD2 5
AD3 5
R440
RD 5
WR 5
22K
POWER
ENTER
RIGHT
LEFT
AUTO 10K
onPOWER 3
VCPU
R457 10K 1/16W
R456 10K 1/16W
R419 100 1/16W
DDC_DAT 4
R420 100 1/16W
DDC_CLK 4
R422 NC
TXD 4
R424 NC
RXD 4
KEY_MENU
KEY_RIGHT
KEY_AUTO
KEY_LEFT
KEY_ONOFF
D407 D408
BAV99 BAV99
VCPU
SW401 SW402
C440 C439
LCD ONOFF KEY LEFT
0.001uF 0.001uF
Title
715G1765-1 for AL2051W (acer)
Size Document Number
B
Date: Tuesday, January 03, 2006
DDC_WP 4
1/16W
B Q403
PMBS3904
R441
C445
1/16W 0.1uF/16V
SW403 SW404 SW405
KEY AUTO KEY RIGHT KEY MENU
Rev
MCU
1
Sheet 7 of 8