Circuit Diagrams and PWB Layouts
47
7.
Scaler (22"): CEC uP
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
CEC_IRQ
O
S
CO
O
S
CI
O
S
CO
O
S
CI
CEC_IRQ
O
S
DA0_
S
B
O
S
CL0_
S
B
S
TANDBY
TURN_ON
+
3
V
3S
B_
u
P
+
3
V
3S
B_
u
P
+
3
V
3S
B_
u
P
+
3
V
3S
B_
u
P
+
3
V
3S
B_
u
P
+
3
V
3S
B_
u
P
DV
33
DV
33
+
3
V
3S
B_
u
P
CEC
9,14
H
S
YNC
3
,4
V
S
YNC
3
,4
S
TANDBY
9
TURN_ON
9
P
S
_ON_
S
W
21
O
S
DA0
9,19
OIRI
9,12
O
S
CL0
9,19
3
V
3S
B_EN
21
HDMI_INT
9
KEY1
9
OPTION for CEC
S
t
a
nd
b
y F
u
nction
I
S
P PORT
1/5 River
R402 C2 R406 B
3
R407 B
3
D402 D4
R429 C5 R410 B
3
R404 C5 R451 C
3
C446 B2 FB402 C
3
C40
3
C
3
R40
8
B
3
R409 D4 R477 C4
R479 C4 R4
8
1 B
3
Y402 B2 U406 C4
R4
8
0 C4 R40
3
C2
R476 B5 CN402 C1
R471 C
3
R401 B5
R47
8
C4 ZD401 D4
R490 C
3
R475 B5
Q401 D1 R4
8
4 C
3
R472 D4 C404 C
3
C405 B4 Q402 C1
R47
3
B2 R405 C4
C442 B1 C402 C2
R402
10K OHM 1/10W
R402
10K OHM 1/10W
R406
33
OHM 1/10W
R406
33
OHM 1/10W
R407
33
OHM 1/10W
R407
33
OHM 1/10W
D402
RB520
S
-
3
0
D402
RB520
S
-
3
0
R429
10K OHM 1/10W
R429
10K OHM 1/10W
R410
33
OHM 1/10W
R410
33
OHM 1/10W
R404
NC
R404
NC
R451
NC
R451
NC
C446
20PF
C446
20PF
FB402
BEAD
FB402
BEAD
+
C40
3
10UF16V
+
C40
3
10UF16V
R40
8
33
OHM 1/10W
R40
8
33
OHM 1/10W
R477
NC
R477
NC
R409
100 OHM 1/10W
R409
100 OHM 1/10W
R479
NC
R479
NC
R4
8
1
33
OHM 1/10W
R4
8
1
33
OHM 1/10W
TP412
TP412
1
2
Y402
3
2.76
8
KHZ
Y402
3
2.76
8
KHZ
3
2KO
S
CI
2
3
2KO
S
CO
1
TXD/IRQ2/GPIOB6
7
RXD/IRQ
3
/GPIOB7
6
VIN/GPIOB4
9
V
SS
3
GPIOB0/
S
CL2
12
GPIOB1/
S
DA2
11
HIN/GPIOB5
8
NR
S
T
4
GPIOA7/
S
DA1
1
3
GPIOA6/
S
CL1
14
VDD
19
GPIOA
3
/
S
DA
3
/P1.1
15
PWM1/GPIOC1
5
IRQ1/P1.
3
GPIOB
3
10
GPIOA
3
/
S
CL
3
/P1.0
16
GPIOA
3
/AD
3
/IR
17
GPIOA0/AD0
1
8
VDD_RTC
20
U406
6702F_OG200WT
U406
6702F_OG200WT
R4
8
0
NC
R4
8
0
NC
TP41
3
TP41
3
R40
3
10K OHM 1/10W
R40
3
10K OHM 1/10W
R476
33
OHM 1/10W
R476
33
OHM 1/10W
1
2
3
4
CN402
CONN
CN402
CONN
R471
10K OHM 1/10W
R471
10K OHM 1/10W
R47
8
NC
R47
8
NC
R401
0 OHM 1/10W
R401
0 OHM 1/10W
1
2
ZD401
UDZ
S
NP5.6B
ZD401
UDZ
S
NP5.6B
R490
33
OHM 1/10W
R490
33
OHM 1/10W
R475
33
OHM 1/10W
R475
33
OHM 1/10W
Q401
2N7002
S
OT-2
3
Q401
2N7002
S
OT-2
3
R4
8
4
10K OHM 1/10W
R4
8
4
10K OHM 1/10W
R472
27K OHM 1/10W
R472
27K OHM 1/10W
C404
0.1UF16V
C404
0.1UF16V
C405
4.7
u
F/10V
C405
4.7
u
F/10V
Q402
2N7002
S
OT-2
3
Q402
2N7002
S
OT-2
3
R47
3
33
OHM 1/10W
R47
3
33
OHM 1/10W
R405
10K OHM 1/10W
R405
10K OHM 1/10W
C442
20PF
C442
20PF
C402
0.1UF16V
C402
0.1UF16V
CEC
u
P
S
B11
S
B11
I_177
8
0_051.ep
s
17040
8