Haier LT22M1CWA Service Manual page 52

22"LCD TV
9,14 CEC
+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
For ACER NC
+3V3SB_uP
D402
NC/UDZSNP5.6B
R472
NC/27K OHM 1/10W
R409 CEC_IRQ
NC/100 OHM 1/10W
ZD401
NC/UDZSNP5.6B
+3V3SB_uP
R405
NC/10K OHM 1/10W
OSCO
1
32KOSCO
OSCI 2
32KOSCI
4
NRST
5
PWM1/GPIOC1
6
RXD/IRQ3/GPIOB7
7
TXD/IRQ2/GPIOB6
8
HIN/GPIOB5
9
VIN/GPIOB4
CEC_IRQ
10
IRQ1/P1.3GPIOB3
C405
NC/4.7uF/10V
OPTION for CEC Stand by Function
+3V3SB_uP
FB402
NC/BEAD
+
C404 C403
NC/0.1UF16V NC/10uF/16V
+3V3SB_uP
U406
20
VDD_RTC
18 R490
GPIOA0/AD0
17
GPIOA3/AD3/IR
16
GPIOA3/SCL3/P1.0
15 R481
GPIOA3/SDA3/P1.1
14 R406
GPIOA6/SCL1
13 R407
GPIOA7/SDA1
12 R408
GPIOB0/SCL2
11 R410
GPIOB1/SDA2
NC/6702F_OG200WT
OSCO
52
Haier LT22M1CWA&LT22M1CW
+3V3SB_uP
R402 R403
NC/10K OHM 1/10W NC/10K OHM 1/10W
33 OHM 1/10W
KEY 1 9
OSCL0_SB
OIRI 9,12
OSDA0_SB
PS_ON_SW 21
NC/33 OHM 1/10W
HDMI_INT 9
NC/33 OHM 1/10W
NC/33 OHM 1/10W
NC/33 OHM 1/10W TURN_ON
TURN_ON
STANDBY
NC/33 OHM 1/10W
STANDBY
For ACER NC
Y 402
R473 NC/32.768 KHZ
OSCI
1 2
NC/33 OHM 1/10W
C446 C442
NC/20PF NC/20PF
DV33
Q401
NC/2N7002 SOT-23
OSCL0 9,19
DV33
Q402
NC/2N7002 SOT-23
OSDA0 9,19
C402 +3V3SB_uP
CN402
0.1UF16V
1
2
3
4
NC/CONN
ISP PORT
9
9