-6-
IC Block Diagrams
IC001 < Audio AMP.> TDA8947J/N3
1
4
14
17
OUT1+
OUT2-
OUT3-
OUT4+
16
3
VCC1
VCC2
6
8
12
13
10
11
7
9
IN1+
IN2+
IN3+
IN4+
MODE1
5
MODE2
SVR
STANDBY ALL
MUTE ALL
ON 1+2
2
15
GND1
GND2
SHORT CIRCUIT
AND
TEMPERATURE
PROTECTION
TDA8947J
SGND
Vref
0.5Vcc
Vcc
MUTE 3+4
ON 3+4
60 k
Ω
60 k
Ω
60 k
Ω
60 k
Ω
CIV
+
+
+
+
+
+
-
-
IC501 < Vertical Output > LA78041
Thermal
Protection
-
+
AMP
Pump
Up
1
INVER
TING
INPUT
2
Vcc
3
PUMP
UP
OUT
4
GND
5
V
e
r.
OUTPUT
6
OUTPUT
ST
AGE Vcc
7
NON INV
.
INPUT
SM_29-C8ZH (RUS) 5/15/06 12:05 PM Page 6