Read Sharp HT-SL70 (serv.man3) Service Manual online
HT-SL70
6 – 4
Figure 6-3: MCU SCHEMATIC DIAGRAM
CLOSE TO PAD
TXD
RXD
RXD
5V
OP0
GND
TXD
RXD
OP0
GND
TXD
RXD
FOR
FIRMWARE
FLASH ONLY
FIRMWARE
FLASH ONLY
XOM
XIM
EPF021A_P63
EPF021A_P62
EPF021A_OP0
EPF021A_P71
EPF021A_P70
EPF021A_P70
M33D
M33D
M33D
M33D
5V
M33D
M33D
5V
5V
M33D
M33D
M33D
M33D
M33D
M33D
M33D
M33D
CEC_P3V
M33D
CEC_INTb
HT1_CTLb
CEC_RSTb
CECRX_PRG
PRG_SCL
PRG_SDA
PRG_SDA
MCU_SCL
DN_SCL
DN_SDA
DN_SDA
CLK24M1
EP91A1K_RSTb
MCU_SDA
ADC0
ADC1
ADC1
EPF021A_OP0
EPF021A_P70
EPF021A_P71
EPF021A_P71
ARC_RX_EN
ARC_MODE
IIC_SCL
IIC_SDA
P1_PWR5V
ARC_TX_EN
RESET [3]
A_MUTE
HTPLG_A
HDMI_INT
R97
1K
R88
56
DSDA1
1
R103
10K
R144
10K
R142
10K
C81
15p
C81
15p
C78>
0.1u
R122
10K
ASCL1
1
C79
0.1u
R121
10K
R515
10K
R95
1K
R104
10K
R139
10K
R114
2K
R120
10K
R115
2K
C80
0.1u
R145
10K
R517
10K
R119
10K
RP3
8P4R-10K
8P4R-10K
1
2
3
4
5
6
7
8
R140
10K
MSDA1
1
R700
4K7
R90
10K
R96
1K
Y2
24MHz
Y2
24MHz
C76
15p
C76
15p
MSCL1
1
R137
10K
R116
2K
R127
10K
R113
2K
C77>
0.1u
R92
10K
TP3
TP3
1
R138
10K
R109
10K
R91
10M
R91
10M
R516
10K
ASDA1
1
R112
10K
RP4
8P4R-10K
8P4R-10K
1
2
3
4
5
6
7
8
R98
2K
R141
10K
R107
10K
D4
BAT54H
BAT54H
D4
BAT54H
BAT54H
2
1
R110
0
R100
1K
C82
0.1u
0.1u
J8
ICP
1
1
2
2
3
3
4
4
5
5
IC4
EPF021A/0.4mm
EPF021A/0.4mm
P52
21
P54
23
S
PI
_
D
O
46
X_
IN
41
P24
52
VD
D
A
12
P13
61
P70
62
P25
53
V
SS
40
X_
O
U
T
42
opm
0
16
P01
28
P
3
5
7
VD
D
8
P11
59
P12
60
P55
24
P0
6
33
P0
7
3
4
P6
0
3
5
P6
1
3
6
P6
2
3
7
P6
3
3
8
VD
D
3
9
P04
31
P05
32
P56
25
V
SS
44
S
PI
_
C
L
K
45
P57
26
P27
55
P4
1
1
P40
64
P71
63
P10
58
TIM1
57
TIM0
56
P
33
5
P
3
2
4
P
3
4
6
P
3
0
2
AD
C
0
11
AD
C
1
10
P03
30
P02
29
P00
27
R
S
Tb
15
DM
14
DP
1
3
GND
17
P53
22
V
SS
A
9
P
3
1
3
P26
54
P23
51
P22
50
P8
[1
]
48
P21
49
P51
20
P50
19
P8
[0
]
47
P7[4]/CIR
18
VD
D
4
3
R143
10K
DSCL1
1
R106
10K
R101
0
R94
1K
R102>
10K
R99
2K
7
8
9
10
11
12
A
B
C
D
E
F
G
H
1
2
3
4
5
6
MCU Section
HDMI PWB-C
Click on the first or last page to see other HT-SL70 (serv.man3) service manuals if exist.