HT-XT100
HT-XT100
29
29
4-11. PRINTED WIRING BOARD - USB Board -
4-12. SCHEMATIC DIAGRAM - USB Board -
4-13. PRINTED WIRING BOARD - KEY Board -
4-14. SCHEMATIC DIAGRAM - KEY Board -
•
: Uses unleaded solder.
• See page 20 for Circuit Boards Location.
•
: Uses unleaded solder.
• See page 20 for Circuit Boards Location.
USB BOARD
(COMPONENT SIDE)
USB BOARD
(CONDUCTOR SIDE)
A
1
2
KEY BOARD
(COMPONENT SIDE)
KEY BOARD
(CONDUCTOR SIDE)
A
B
1
2
USB_VCC
T2
ACM2012H-900-2P
T2
ACM2012H-900-2P
C66
10uF
C66
10uF
ESD22ESD22
R256
NC/0
R256
NC/0
ESD21ESD21
XP8
4PIN/2.0mm
XP8
4PIN/2.0mm
P581
4PIN/2mm
P581
4PIN/2mm
C48
0.1uF/50V/X7R
C48
0.1uF/50V/X7R
R255
NC/0
R255
NC/0
To main board
1
3
2
4
21
21
1
2
3
4
1
2
3
4
6
5
1
2
3
4
VCC
D-
D+
GND
Shell B
Shell A
A
2
B
1
USB BOARD
SW1
SW1
XP12
8PIN/1.0mm
XP12
8PIN/1.0mm
C281
"18PF/5%"
C281
"18PF/5%"
C234
100pF/50V/NP0
C234
100pF/50V/NP0
C232
100pF/50V/NP0
C232
100pF/50V/NP0
D20
BAT54S
D20
BAT54S
C230
100pF/50V/NP0
C230
100pF/50V/NP0
C277
"18PF/5%"
C277
"18PF/5%"
SW4
SW4
SW2
SW2
C286
1000pF/50V/X7R
C286
1000pF/50V/X7R
XP13
2PIN/1.25mm
XP13
2PIN/1.25mm
C458
NC/15PF
C458
NC/15PF
D21
BAT54S
D21
BAT54S
C233
100pF/50V/NP0
C233
100pF/50V/NP0
C231
100pF/50V/NP0
C231
100pF/50V/NP0
SW5
SW5
SW3
SW3
KEY_POWER_KEY
BT_PAIR_KEY
BT_PAIR_KEY
VOL-_KEY
NFC_INT_KEY
KEY_SOURCE_KEY
VOL+_KEY
VOL-_KEY
KEY_POWER_KEY
KEY_SOURCE_KEY
VOL+_KEY
NFC_INT_KEY
A
A
A
A
<Description>
<Description>
1
2
3
4
5
6
7
8
1
3
2
<Description>
<Description>
<Description>
<Description>
1
2
3
4
1
3
2
<Description>
<Description>
<Description>
<Description>
1
2
3
4
5
6
7
8
1
2
GND
GND
A
3
2
D
5
B
C
1
4
KEY BOARD