10.
Circuit Diagrams and PWB Layouts
10.8 HC 715G8212 OPTION BOARD
10-8-1
RS232-CONNECTOR
20140_517.eps
HC01
HC01
2016-01-15
715G8212
RS232-CONNECTOR
RS232-CONNECTOR
RJ48_RXD
RJ48_TXD
PWR_STATUS
IR_OUT
C112
470PF
50V
ZD102
M
LVG0402
1
2
ZD106
ML
V
G
0
4
0
2
1
2
C109
470PF
50V
ZD103
M
LVG0402
1
2
R112
NC/2K7 1/16W 5%
C117
470PF
50V
ZD101
M
LVG0402
1
2
C115
470PF
50V
ZD107
M
LVG0402
1
2
C111
470PF
50V
ZD108
M
LVG0402
1
2
C110
470PF
50V
RJ48_TXD
IR_IN
DET_IR_CON
IR_OUT
RJ48_RXD
FB102
220OHM
1
2
PWR_STATUS
IR_IN
IR_SSB 3
IR_OUT
IR_RC
3
GND
3,4,5
C107
10UF 10V
C106
100NF 16V
C105
100NF 16V
R105
0R05 1/16W
R103
0R05 1/16W
R107
1.8K 1/16W
R102
0R05 1/16W
C104
100NF 16V
C103
100NF 16V
OPWRSB
C102
100NF 16V
C116
470PF
50V
C108
470PF
50V
R116
NC/0R05 1/16W
RJ48_RXD
RJ48_TXD
U0RX
U0TX
3V3SB
Bathroom_L_R
R101
0R05 1/16W
R114 NC/0R05 1/16W
+5V_SW
R106
0R05 1/16W
R104
0R05 1/16W
RXD_UART
TXD_UART
IR_IN
3
3V3SB
IR_OUT 3
Bathroom_L_R 4
ZD110
MLVG0402
1
2
3V3SB
3,4
CN101
CONN
1
2
3
4
5
6
7
8
9
10
11
12
1
3
14
OPWRSB
5
AMP_EN
Audio GND
4
Audio GND
U0RX
AMP_EN
4
U0TX
U703
ST3232CTR
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2out
7
R2in
8
R2out
9
T2in
10
T1in
11
R1out
12
R1in
13
T1out
14
GND
15
VCC
16
+5V_SW
Bathroom_L_R
+5V_SW
4,5
R115
NC/0R05 1/16W
IR_SSB
IR_RC
12V_SENSOR
GND
OPWRSB
IR_SSB
12V_SENSOR
5
IR_RC
+5V_SW
DET_IR_CON 3
DET_IR_CON
ZD109
MLVG0402
1
2
ZD105
M
LVG0402
1
2
Audio GND
3V3SB
FB103
220OHM
1
2
TXD_UART
RXD_UART
AMP_EN
C113
470PF
50V
ZD104
M
LVG0402
1
2
C114
470PF
50V
TXD_UART
RXD_UART
C101
NC/1000PF 50V
R108
10K 1/16W 5%
R109
10K 1/16W 5%
R111
22K 1/16W 5%
3V3SB
Q101
MMBT3904
R110
NC/22K 1/16W 5%
Q102
NC/MMBT3904
12V_SENSOR
3V3SB
(EMI)
CN102
RJ45 CONN
1
2
3
4
5
6
7
8
9
10
FB101
220OHM
1
2
FB106
220OHM
1
2
FB105
220OHM
1
2
FB104
220OHM
1
2
R113
NC/0R05 1/16W
IR_IN
DET_IR_CON