Acer AL2616Wv Service Manual page 46

MCU
3
VCC
LM810M3-2.93V
DIO/MA730
1 2 RESET IC
GND RESET
ACTIVE HIGH /RESET
VMCU
U404
C429
2
RESET
2 1 3
Vcc
1
GND
0.1uF
MAX810STR
C430
VMCU 1uF
R408
U403
4.7K 1/10W
1 8
A0 VCC
2 7 WP
A1 WP
3 6 R410 100
A2 SCK
4 5 R411 100
VSS SI
M24C16
VMCU
R450 R452 R454
R463 R451 R453 R455 R456
VGA_CAB
DVI_CAB
AUDIO_MUTE
HWRESET
ALE
ON_PANEL
ON_PBACK
KEY_MUTE
VMCU +3.3V_VDD
R419
100 1/10W
R417
4.7K 1/10W
1K 1/10W PMBS3906
R418 Q402
LED_G MODE_VOLUME-
LED_GREEN
KEY_AUTO R424 220 1/10W KEY_AUTO1
KEY_DOWN KEY_DOWN1
R426 220 1/10W
KEY_ONOFF
R428 220 1/10W KEY_ONOFF1
SPKR_L-
LED_GREEN
MODE_VOLUME-1
C432 C433 C434
NC 0.1uF
+5V_PANEL
VMCU
For Bank Select
L401
NC
Syntek 128kB
Issue
L405
6 +3.3V_VDD
120 OHM
POWER FOR MCU
VMCU
R468 C401 22pF
EA/VP
NC 35
EA/VP
24.576MHz X401
UCLK 21
X1
R401
20
100K 1/10W
X2
C402 22pF
RESET
VMCU C406 10
RESET
0.1uF
R409 INT 14
5 INT INT0/P3.2
4.7K 1/10W MSCL 15
INT1/P3.3
MSDA 16
T0/P3.4
VGA_CAB 17
2 VGA_CAB T1/P3.5
1/10W MSCL R 443 10K 1/ 10W
VMCU
1/10W MSDA 36
2 ON_DDR
P0.7
DVI_CAB 37
2 DVI_CAB
P0.6
AUDIO_MUTE
38
P0.5
PS_ON
39
P0.4
HWRESET
40
5 HWRESET P0.3
ALE
41
5 ALE P0.2
ON_PANEL
42
6 ON_PANEL P0.1
ON_PBACK
43
6 ON_PBACK P0.0
KEY_MUTE 1
5 VBR_OUT P4.2
R457 KEY_DOWN1 R449 220 1/10W 12
P4.3/ISP
10K 1/10W
PS_ON
VMCU
PS_ON 6
R414
10K 1/10W
R415
WP
WP_MCU
100 1/10W
R416
NC
SOURCE_VOLUME+1
MODE_VOLUME-1
R448 220 1/10W
NC 1 2 R423 AUDIO_STDBY
3 4
5 6 KEY_MENU1
KEY_UP1
7 8
KEY_MUTE1
9 10
11 12
NC SPKR_L+ 13 14 SPKR_R+
SPKR_R-
R464 15 16 R466
NC
R467
R465 CONN
CN401 GND NC
NC
GND
GND
KEY_DOWN1
KEY_ONOFF1
KEY_AUTO1
C435 C436
0.1uF 0.1uF
0.1uF
VMCU
VMCU
VMCU
RN401
R402
10K 1/16W
C403
U402 0.1uF R444
AD[0..3] 5
AD0
2
P1.0
AD1
3
P1.1
AD2
4
P1.2
AD3
5
P1.3
HDCP_WP
6
P1.4
7
P1.5
8
P1.6
9
P1.7
24
P2.0
25
P2.1
26
P2.2
27
P2.3
28
P2.4
29
P2.5
30
P2.6
31
P2.7
19
SCL_D1 2
RD/P3.7
18
SDA_D1 2
WR/P3.6
32
PSEN
33
ALE/P
13 4.7K 1/10W R404
TXD/P3.1
11 4.7K 1/10W R405
RXD/P3.0
100 1/10W R406
23 LED_O 100 1/10W R407
P4.0
34 LED_G
P4.1
RXD
TXD
MTV416
Near the VGA Connector.
(ISP & DDC-CI)
+3.3V_VDD VMCU
R420
R422
4.7K 1/10W
100 1/10W
R421
Q403 1K 1/10W LED_O
PMBS3906
LED_ORANGE
R425 220 1/10W KEY_MENU
KEY_UP
R427 220 1/10W
R462 KEY_MUTE
NC
R482
0 1/10W
GND
LED_ORANGE SOURCE_VOLUME+1
KEY_MENU1
KEY_MUTE1 KEY_UP1
C404 C437 C438 C439 C405
NC 0.1uF 0.1uF 0.1uF 0.1uF
46
KeyPad connector
CN403
LED_GREEN 1 2 LED_ORANGE
KEY_ONOFF1 KEY_MENU1
3 4
KEY_DOWN1 KEY_UP1
5 6
SOURCE_VOLUME+1
KEY_AUTO1 7 8
9 10
GND
R403 R474 R476 R478
R473 R475 R477 R479 CONN
R480
MODE_VOLUME-
HDCP_SCL
HDCP_SDA
R442 220 1/10W
KEY_ONOFF
KEY_MENU
KEY_DOWN
KEY_UP
KEY_AUTO
AUDIO_STDBY
WP_MCU
RD
RD 5
WR
WR 5
VMCU
C440 VMCU
VGA_SDA 2
1uF
VGA_SCL 2
RXD 2
TXD 2
U405
1 8
A0 VCC
2 7 R484
A1 WP
3 6 R485
A2 SCL
4 5 R486
GND SDA
M24C04-WMN6T
GND
For HDCP
+5V
R491 NC
R441
5 VOL_PWM
4.7K 1/10W
GND
CN402
1 2
3 4
5 6 STANDBY
VOL 7 8
9 10
SPKR_L+ 11 12 SPKR_R+
SPKR_L- 13 14 SPKR_R-
R469
NC
NC
GND GND
Title
MST9251A/HA
Size Document Number
A3
Date:
For AOC
GND
HPD_CTRL 2
WP_DDC 2
HDCP_WP
100 1/10W
HDCP_SCL
100 1/10W
HDCP_SDA
100 1/10W
R490
NC
GND
+5V
R430
R472 1K 1/10W
1K 1/10W
R431 0 1/10W
R471 NC VOL
R429
Q404
PMBS3904
4.7K 1/10W
Q405
PMBS3904
GND GND
+12V
L402 600 OHM
1 2 +5V
L403
1 2
600 OHM R432 0 1/10W
AUDIO_STDBY
MUTE R433 AUDIO_MUTE
0 1/10W
C416 C417
R470
NC NC
NC
GND GND GND
Rev
04. MCU B
Monday, June 19, 2006 Sheet 4 of 6