Acer AT1945, Service Manual

Page: 57 / 69

57
+3V3SB_uP
KEY 1 9
STANDBY
+3V3SB_uP
R481 NC/33 OHM 1/10W
3V3SB_EN 21
CEC_IRQ
R
404
NC
TURN_ON
HSY NC 3,4
OIRI 9,12
R408 NC/33 OHM 1/10W
OSDA0 9,19
PS_ON_SW 21
R475 NC/33 OHM 1/10W
DV33
OSCL0 9,19
OSDA0_SB
R476 NC/33 OHM 1/10W
R
480
NC
+3V3SB_uP
ISP PORT
OPTION for CEC Stand by Function
FB402
NC/BEAD
CN402
NC
1
2
3
4
R4
7
1
N
C
/10K
O
H
M
1/
10W
R4
8
4
N
C
/10K
O
H
M
1/
10W
C404
NC/0.1UF16V
R410 NC/33 OHM 1/10W
C442
NC/20PF
HDMI_INT 9
+3V3SB_uP
R406 NC/33 OHM 1/10W
+3V3SB_uP
+3V3SB_uP
CEC_IRQ
R
478
NC
R401 NC/0 OHM 1/10W
Page 3 ; H , V have ESD protect
R4
5
1
NC
R473
NC/33 OHM 1/10W
OSCI
R490 33 OHM 1/10W
Y 402 NC/32.768 KHZ
1 2
U406
NC/6702F_OG200WT
2
1
7
6
9
3
12
11
8
4
13
14
19
15
5
10
16
17
18
20
32KOSCI
32KOSCO
TXD/IRQ2/GPIOB6
RXD/IRQ3/GPIOB7
VIN/GPIOB4
VS
S
GPIOB0/SCL2
GPIOB1/SDA2
HIN/GPIOB5
NRST
GPIOA7/SDA1
GPIOA6/SCL1
VD
D
GPIOA3/SDA3/P1.1
PWM1/GPIOC1
IRQ1/P1.3GPIOB3
GPIOA3/SCL3/P1.0
GPIOA3/AD3/IR
GPIOA0/AD0
VDD_RTC
Page 7 ,DVDTXRX 33 ohm
Q401
NC
C402
0.1UF16V
C405
NC/4.7uF/10V
STANDBY 9
R405
NC/10K OHM 1/10W
R429
NC/10K OHM 1/10W
OSCO
+
C403
NC/10uF/16V
OSCO
ZD401
NC/UDZW5.6B
1
2
R407 NC/33 OHM 1/10W
R472
NC/27K OHM 1/10W
R
479
NC
Q402
NC
D402
NC/RB520S-30
TV1968W-AED C
AT1936 B
13 21 Wednesday , March 26, 2008
715T2848-C
<
称爹
>
CEC uP
T2848-C-X-X-3-071128
OEM MODEL Size
Rev
Date
Sheet of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
OSCL0_SB
R4
0
2
NC
TURN_ON 9
OSCI
R
477
NC
DV33
R409
NC/100 OHM 1/10W
C446
NC/20PF
+3V3SB_uP
R4
0
3
NC
VSY NC 3,4
CEC 9,14