Acer B243W Service Manual page 49

VCPU
R482
4K7 1/10W 5%
U406
REV:C 3 1 RESET
VCC GND
2
RESET
D427 C480
UDZS5.6B NC MAX810STRG
VCPU
R506
C487 4K7 1/10W 5%
0.22uF
U408
1 8
A0 VCC
2 7 R511 100R 1/10W 5%
A1 WP
3 6 R514 100R 1/10W 5%
A2 SCL
4 5 R516 100R 1/10W 5%
GND SDA
M24C16
VCPU
C488
0.22uF
U409
1 8
A0 VCC
2 7 R528 100R 1/10W 5% HDCP_WP
A1 WP
3 6 R529 100R 1/10W 5% HDCP_SCL
A2 SCL
4 5 R530 100R 1/10W 5% HDCP_SDA
GND SDA
CAT24WC08W
For HDCP
R533 R534 R535 R536
4K7 1/10W 5%
LED_G
AUTO_KEY R543
RIGHT_KEY
R545
POWER_KEY R547
C495
C493 C494 0.001uF
0.001uF 0.001uF
+5V VCPU
R483 R484
0R05 1/10W 5% 0R05 1/10W 5%
NC CN403
C481
1 0.1uF
2
3 R488 220R 1/10W HWRESET
4 R497 220R 1/10W MSCL
5 R498 220R 1/10W MSDA
CONN
VCPU
R508
4K7 1/10W 5% LED_R
R507
4K7 1/10W 5%
VCPU
WP
MSCL
MSDA
4 VOLUME
CN405
1
VCPU 2
3
4
5
6
R531
470R 1/10W 5%
CONN
Q409
R541 2N3906S-RTK/PS
4K7 1/10W 5%
LED_GREEN
220R 1/10W
220R 1/10W
220R 1/10W
OUT_L+
OUT_L-
REV:C
D431 D432
UDZS5.6B UDZS5.6B
+5V
REV:C
R722
0R05 1/10W 5%
HDCP_WP
3 HPD_CTRL
2 PS_ON/OFF
C484 22pF
VCPU
27
P6.3
X402 21
X1
C485
24mhz
10uF/10V
20
X2
C486 22pF
RESET 10
RST
VCPU
R501 R499 NC
INT 14
4 INT
P3.2/INT0
17
2 USB_CTRL
ISCL/P7.5
10K 1/10W 5% MSCL 15
P3.3/INT1
MSDA 16
ISDA/P3.4
42
3 DVI_CONNECT_MCU
P5.1
41
3 VGA_CONNECT_MCU
P5.2
6
P1.4/DA3
40
P5.3
39
3 DDC_WP
P5.4
WP 38
P5.5
R509 4K7 1/10W 5% 37
P5.6 HSDA1/TXD/P3.1
R512 4K7 1/10W 5% LED_G 36
P5.7 HSCL1/RXD/P3.0
R515 4K7 1/10W 5%
R517 4K7 1/10W 5%
R519 4K7 1/10W 5% 12
P4.3/AD3
R724 4K7 1/10W 5%
REV:C
+5V
R523
NC
R525
NC VOL
R527 Q407 OUT_L+
OUT_L-
NC NC C489
NC
KEY PAD
CONNECT
CN406
13 14 LED_ORANGE
11 12
9 10
7 8
5 6
3 4 OUT_R+
1 2 OUT_R-
UDZS5.6B
D433 CONN
UDZS5.6B
49
R485 4K7 1/10W 5% VCPU
R486 4K7 1/10W 5%
R487 4K7 1/10W 5%
VCPU R489 R490 R491 R492 R493 R494 R495 R496
C482
22uF 16V
C483
0.1uF
U407
2 AD0
P1.0/ET2
3 AD1
P1.1/DA0
4 AD2
P1.2/DA1
5 AD3
P1.3/DA2
7 ALE
HSY NC/P1.5 ALE 4
8 HDCP_SCL
VSY NC/P1.6
9 HDCP_SDA
P1.7/SOGI
43 HWRESET
P5.0 HWRESET 4
23 LEFT_KEY
P4.0/AD0
34 SOURCE_KEY R500
P4.1/AD1
25 POWER_KEY R502
P6.1
26 MENU_KEY R503
P6.2
28 RIGHT_KEY R504
P6.4
29 AUTO_KEY R505
P6.5
30
P6.6
31
P6.7
24 AUDIO_STDBY
P6.0/CLKO1
32
P7.2/HCLAMP
33
P7.1/VBLANK
13 R510 22R 1/10W 5%
TX_SDA 3
11 R513 22R 1/10W 5%
RX_SCL 3
18 R518 22R 1/10W 5%
DVI_SDA 3
HSDA2/P7.4
19 R520 22R 1/10W 5%
DVI_SCL 3
HSCL2/P7.3
MTV416GMV
+12V
+12V 2
+5V
FB415 NC
+5V 2,3
CN404 1 2
FB416
1 2 1 2
3 4 NC R524
5 6 STANDBY NC
7 8 MUTE
9 10 REV:C NC
11 12 OUT_R+ C496 R526
13 14 OUT_R- NC
NC
AUDIO
CONNECT
VCPU
R532
560R 1/10W 5%
R542
LED_R
Q408 4K7 1/10W 5%
2N3906S-RTK/PS
R544 220R 1/10W MENU_KEY
R546 220R 1/10W LEFT_KEY
R548 220R 1/10W SOURCE_KEY
REV:C
D430 C490 C491 C492
D428 UDZS5.6B 0.001uF
D429 0.001uF 0.001uF
UDZS5.6B
AD[0..3] 4
VCPU
4K7 1/10W 5%
VCPU 2
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
BKLT-EN 2
PANEL_EN 2
RD
RD 4
WR
WR 4
+5V
R521 R522
NC NC
AUDIO_STDBY
AUDIO_MUTE 4
POWER ON POWER SAVING/OFF
AUDIO_MUTE LOW HI
AUDIO_STDBY HI LOW