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AL1921
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Chapter 7 Schematic Diagram; Analog And Digital Input; Mst8131B - Acer AL1921 Service Manual
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Contents
Table of Contents
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Schematic Diagram
Analog And Digital Input
CN301
RXD
6
DB15
TXD
6
11
1
6
12
2
7
13
3
8
14
4
9
PC5V
15
5
10
VGA_CON
D301
BAV99
HSI
FB304
150 OHM
VSI
R312
100
1/16W
D319
D320
MLL5232B 5.6V
MLL5232B 5.6V
CN302
D321
D318
25
MLL5232B 5.6V
MLL5232B 5.6V
R
26
G
27
B
29
RGB GND
28
HSYNC
8
VSYNC
15
SYNC GND
6
CLK_DDC2
DDC SCL
7
DAT_DDC2
DDC SDA
14
+5V
16
HPD
11
1/3shield
3
D314
2/4shield
19
MLL5232B 5.6V
0/5shield
22
clk shield
18
DAT0+
17
DAT0-
10
DAT1+
9
DAT1-
2
DAT2+
1
DAT2-
13
DAT3+
12
DAT3-
5
DAT4+
4
DAT4-
21
DAT5+
20
DAT5-
23
clk+
24
clk-
JACK
D306
D307
D308
BAV99 NC
BAV99 NC
BAV99 NC
MST8131B
2
VCPU
921110:穝糤
VCPU
U603
MAX810STR (NC)
3
2
R643
NC
VCC
RST
Reset
VCPU
Circuit
C605
U602
0.1uF
1
8
A0
VCC
2
7
A1
WP
3
6
A2
SCL
4
5
GND
SDA
24C16
R642
NC
R626
7
AUDIO_SD
C612
0.1uF
VCPU
R618
120
1/16W
4.7K
1/16W
R619
LED_O
1
Q602
PMBS3906
FB301
0
1/16W
FB302
0
1/16W
FB303
0
1/16W
R325
C301
C302
C303
75
1/16W
NC
NC
NC
D302
D303
BAV99
BAV99
VCC5V
R313
C311
R314
C312
2.2K
1/16W
33pF
2.2K
1/16W
220pF
CLK_DDC
DAT_DDC
R319
100
1/16W
DVI5V
R321
R320
100
1/16W
10K
1/16W
R322
D315
D316
C314
MLL5232B 5.6V
MLL5232B 5.6V
0.1uF
D309
D310
D311
D312
D313
BAV99 NC
BAV99 NC
BAV99 NC
BAV99 NC
BAV99 NC
R602
R601
C601
0.1uF
10K
1/16W
10K
1/16W
C602
22pF
U601
35
EA/VP
Y601
20MHz
21
XTAL1
C603
+
10uF/16V
C604
22pF
20
XTAL2
10
RESET
R603
D601
12
P4.3
14
4
INT
INT0/P3.2
LL4148
15
INT1/P3.3
10K
1/16W
33
ALE/P
32
PSEN
R604
10K
1/16W
R608
100
1/16W
2
P1.0
R605
10K
1/16W
R609
100
1/16W
3
P1.1
R615
10K
1/16W
4
P1.2
5
P1.3
R641
0
1/16W
6
P1.4
7
P1.5
8
P1.6
9
P1.7
W78E65P-40
10K
1/16W
3
ST_DET1
3
ST_DET2
2
onAUDIO
2
onPANEL_12V
VCPU
LED_GRN
K_RIGHT
K_AUTO
K_POWER
R617
LED_BLUE
EAR_R
120
1/16W
OUT_R
4.7K
1/16W
R616
LED_G
1
Q601
PMBS3906
LED_GRN
RIGHT
K_RIGHT
R622
0
1/16W
AUTO
K_AUTO
R620
0
1/16W
POWER
R621
0
1/16W
K_POWER
LED_ORANGE
EAR_R
C608
C606
C607
OUT_R
0.001uF
0.001uF
0.001uF
7
EAR_R
7
OUT_R
R301
33
1/16W
C304 0.047uF
RIN
4
R302
33
1/16W
C305 0.047uF
GIN
4
R303
33
1/16W
C306 0.047uF
BIN
4
R304
470
1/16W
C307 0.001uF
SOG
4
R305
68
1/16W
C308 0.047uF
GNDR
4
R306
68
1/16W
C309 0.047uF
GNDG
4
R307
68
1/16W
C310 0.047uF
GNDB
4
VCC5V
R308
10K
1/16W
R309
100
1/16W
ST_DET1 6
R310
1K
1/16W
HSYNC
4
R311
1K
1/16W
VSYNC
4
D317
MLL5232B 5.6V
R315
100
R316
100
6
DDC_DAT
6
DDC_CLK
100
1/16W
ST_DET2 6
20K
B+
4
B-
4
G+
4
G-
4
R+
4
R-
4
CLK+
4
CLK-
4
VCC5V
VCPU
RP601
R637
RP602
10K
1/16W
10K
1/16W
10K
1/16W
43
POWER
P0.0
42
MENU
P0.1
41
RIGHT
P0.2
40
LEFT
P0.3
39
AUTO
P0.4
LED_B
38
P0.5
LED_O
37
P0.6
36
LED_G
P0.7
24
P2.0
25
P2.1
26
P2.2
27
P2.3
28
P2.4
29
P2.5
30
R606
10K
1/16W
P2.6
VCPU
31
R607
10K
1/16W
P2.7
16
T0/P3.4
17
T1/P3.5
18
P3.6/WR
19
P3.7/RD
13
R610
NC
P3.1/TXD
11
R611
NC
P3.0/RXD
R634
100
1/16W
R635
100
1/16W
CN603
VCPU
1
R612
2
3
R613
4
10K
1/16W
NC
NC
CN604
1
2
LED_ORANGE
3
4
K_LEFT
5
6
K_MENU
7
8
9
10
11
12
EAR_L
13
14
OUT_L
CONN
CN602
LED_BLUE
1
9
R640
K_LEFT
3
4
R623
K_MENU
5
6
R624
7
8
2
10
C610
C609
11
12
EAR_L
C614
13
14
OUT_L
0.001uF
0.001uF
1uF
CONN(NC)
EAR_L
7
OUT_L
7
54
Chapter 7
VCC5V
PC5V
D304
BAT54C-GS08
R317
R318
C313
U301
20K
1/16W
20K
1/16W
8
1
0.1uF
VCC
A0
7
2
WP
A1
1/16W
6
3
SCL
A2
1/16W
5
4
SDA
GND
AT24C02N-10SC
VCC5V
DVI5V
D305
BAT54C-GS08
R323
R324
C315
U302
1/16W
20K
1/16W
8
1
0.1uF
VCC
A0
7
2
WP
A1
6
3
SCL
A2
5
4
SDA
GND
AT24C02N-10SC
Title
MST8XXXB for AOC
Size
Document Number
B
INPUT
Date:
星期三, 十二月 03, 2003
Sheet
R638
R639
10K
1/16W
10K
1/16W
R636
100
1/16W
HWRESET 4
onPANEL_5V/3.3V
2
onBACKLITE 2
CSZ
4
SCL
4
SDA
4
AD0
4
AD1
4
AD2
4
AD3
4
DDC_DAT 3
DDC_CLK 3
TXD
3
RXD
3
C613
0.1uF
VCPU
R628
0
1/16W
4.7K
1/16W
R629
LED_B
1
Q603
PMBS3906
470
1/16W
LEFT
0
1/16W
MENU
0
1/16W
Title
MST8XXXB for AOC
Size
Document Number
MPU
B
Date:
星期三, 十二月 03, 2003
Sheet
Rev
A
3
of
7
Rev
A
6
of
7
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