8 . B L O C K D I A G R A M
10
LI
MI
T
C
ONTR
OL
B
AND
-
PASS
FILTER
C
LIP
LED
SIG
LED
G
as
-
di
scharge
tube
PRO
T
LED
Volume
LI
MI
T
C
ONTR
OL
B
AND
-
PASS
FILTER
C
LIP
LED
SIG
LED
G
as
-
di
scharge
tube
PRO
T
LED
Volume
1
2
1
2
Fail
ed
Output
Fail
ed
Output
1
0
0
V
/
4
-
1
6
Ω
1
0
0
V
/
4
-
1
6
Ω
1
0
0
V L
E
D
4
-1
6
Ω
L
E
D
1
0
0
V
/
4
-
1
6
Ω
1
0
0
V
/
4
-
1
6
Ω
1
0
0
V L
E
D
4
-1
6
Ω
L
E
D
Switching power
Digital
amplifier module
Switching power
Digital
amplifier module
Protection circuit
Fan control
Amplifier output
Amplifier output
Protection circuit
Fan control