Acer AT1945 Service Manual page 57

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