![](/images/new-backgrounds/1163532/16353269x1.webp)
(3) Schematic Diagram of H2 Board
A
B
C
D
E
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|
5V
C4502 |
|
|
|
|
4.7 |
|
|
|
|
10V |
|
|
|
|
B:CHIP |
|
|
| CN4501 |
|
|
|
| |
|
| R4515 |
| 3P |
|
| 10k |
|
|
|
| 1/10W | 1 | STBY5V |
|
| :CHIP | ||
|
|
|
| |
|
|
| 2 | KEY A |
| CH+ |
| 3 | GND |
|
|
| TO B( C )BOARD | |
|
|
|
| |
|
|
| D4502 | CN1004 |
R4514 | S4504 | C4503 | MA3075WA |
|
|
| |||
10k | CH- | 10p |
|
|
1/10W | CH:CHIP |
|
| |
|
|
| ||
:CHIP |
|
|
|
|
R4513 S4503
4.7k VOL+ 1/10W
:CHIP
R4512 S4502
2.7k VOL- 1/10W
:CHIP
R4511 S4505
1.8k INPUT 1/10W
:CHIP
S4500H2
(KEY INPUT)
F