HT-XT100
HT-XT100
31
31
4-16. SCHEMATIC DIAGRAM - FRONT Board -
• See page 33 for IC Block Diagrams.
R9
100
R9
100
C
22
100pF/
50V/
N
P
0
C
22
100pF/
50V/
N
P
0
C
213
100pF/
5
0V/
N
P0
C
213
100pF/
50V/
N
P0
R80
33
R80
33
R3
6
4.7
K
R3
6
4.7
K
C
198
100pF/
5
0V/
N
P0
C
198
100pF/
5
0V/
N
P0
FB15
500/500mA
FB15
500/500mA
C4
47pF/50V/NP0
C4
47pF/50V/NP0
XP14
16PIN/1.0mm
XP14
16PIN/1.0mm
R2
0
R2
0
R79
33
R79
33
R1
0
R1
0
R3
5
4.7
K
R3
5
4.7
K
C
70
100pF/
50V/
N
P0
C
70
100pF/
50V/
N
P
0
R3
4
4.7
K
R3
4
4.7
K
C
31
22uF/
10V/
Y
5V
C
31
22uF/
10V/
Y
5V
R78
33
R78
33
R77
33
R77
33
R73
33
R73
33
LED1
LED_BLUE
LED1
LED_BLUE
R76
33
R76
33
C
73
100pF/
50V/
N
P
0
C
73
100pF/
50V/
N
P
0
U1
ET6240
U1
ET6240
C
72
100pF/
50V/
N
P
0
C
72
100pF/
50V/
N
P
0
R10
4.7K
R10
4.7K
R245
100K
R245
100K
R244
20K
R244
20K
R11
100
R11
100
R70
33
R70
33
C
201
100pF/
50V/
N
P
0
C
201
100pF/
50V/
N
P
0
C3
0.1uF
C3
0.1uF
R243
20K
R243
20K
R75
33
R75
33
R242
100K
R242
100K
R5
0
R5
0
U2
LED
U2
LED
Q13
NPN_3DG3904M
Q13
NPN_3DG3904M
IR1
IRM_14mm
IR1
IRM_14mm
XP15
8PIN/1.0mm
XP15
8PIN/1.0mm
C
21
10uF/
10V/
Y5V
C
21
10uF/
1
0V/
Y
5
V
R74
33
R74
33
R83
NC/10K
R83
NC/10K
C
210
100pF/
5
0V/
N
P0
C
210
100pF/
5
0V/
N
P0
R225
4.7K
R225
4.7K
C
206
100pF/
50V/
N
P
0
C
206
100pF/
5
0V/
N
P0
R82
NC/10K
R82
NC/10K
C
217
100pF/
5
0V/
N
P0
C
217
100pF/
5
0V/
N
P0
C
216
100pF/
5
0V/
N
P0
C
216
100pF/
50V/
N
P
0
C
200
100pF/
50V/
N
P0
C
200
100pF/
5
0V/
N
P0
C292
100pF/50V/NP0
C292
100pF/50V/NP0
C
205
100pF/
50V/
N
P
0
C
205
100pF/
5
0V/
N
P0
C
69
100pF/
50V/
N
P0
C
69
100pF/
50V/
N
P0
R4
0
R4
0
Q12
NPN_3DG3904M
Q12
NPN_3DG3904M
C
207
100pF/
5
0V/
N
P0
C
207
100pF/
50V/
N
P0
R8
10K
R8
10K
R3
8
4.7
K
R3
8
4.7
K
C
199
100pF/
5
0V/
N
P0
C
199
100pF/
5
0V/
N
P0
FB26
75/1A
FB26
75/1A
C289
47pF/50V/NP0
C289
47pF/50V/NP0
C
214
100pF/
5
0V/
N
P0
C
214
100pF/
5
0V/
N
P0
R81
33
R81
33
R3
7
4.7
K
R3
7
4.7
K
C
71
100pF/
50V/
N
P0
C
71
100pF/
50V/
N
P
0
C
67
100pF/
50V/
N
P
0
C67
100pF/
50V/
N
P
0
C
5
0.
1uF
C
5
0.
1uF
CONNECT MAIN BD
NFC
STB_3V3
SYS_5V
STB_3V3
STB_3V3
STB_3V3
SYS_5V
SYS_5V
STB_3V3
SYS_5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
1
2
3
4
5
6
7
8
NFC_INT1
VOL-
LED_SDA
BT_PAIR
IR
KEY_SOURCE
KEY_POWER
LED_SCL
BT_STATUS
VOL+
BT_STATUS
IR
LED_SCL
LED_SDA
ROW4
ROW3
ROW2
ROW1
ROW8
ROW7
ROW6
ROW5
ROW12
ROW11
ROW10
ROW9
ROW14
ROW13
COM3
COM4
COM0
COM1
COM2
ROW0
E
M
C
H
L
G2
DP
N
D_
DIG5
DIG1
DIG2
K
F
DIG3
J
B
G1
DIG4
A
L
ROW11
K
ROW10
J
ROW9
H
ROW8
G2
ROW7
G1
ROW6
F
ROW5
E
ROW4
D_
ROW3
C
ROW2
B
ROW1
A
ROW0
M
ROW12
N
ROW13
DP
ROW14
DIG5
DIG4
DIG3
DIG2
DIG1
COM0
COM1
COM2
COM3
COM4
BT_PAIR
KEY_POWER
DP
DP
D_
D_
COM2
COM2
NFC
NFC_INT1
NFC_INT
VOL-
VOL+
KEY_SOURCE
NFC_INT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SEG5
SEG6
SEG7
DIG0
DIG1
DIG2
DIG3
DIG4
SCL
SDA
GND
DIG5
DIG6
DIG7
DIG8
DIG9
DIG10
DIG11
DIG12
DIG13
DIG14
DIG15
SEG0
SEG1
VCC
SEG2
SEG3
SEG4
E
M
C
H
L
G2
DP1
N
D
DIG5
A
DIG4
G1
B
J
DIG3
F
K
DIG2
DIG1
IR
GND
VCC
GND
GND
1
2
3
4
5
6
7
8
A
3
8
6
E
2
D
5
B
C
7
1
4
FRONT BOARD
F