JVC KD-S580 Service Manual page 28

KD-S580
LA6589H-X (IC541) : BTL driver
1.Pin layout / Block diagram
VIN1-A
1
VIN1+A
2
VCCP1 3
VO1+
4
VO1- 5
VO2+ 6
VO2-
7
Power system
FR FR
VO3+
8
VO3- 9
VO4+
10
VO4-
11
VCCP2 12
VIN4
13
VIN4G
14
1-28
VIN1_SW
-
H : OP-AMP_A
+
L : OP-AMP_B
-
GND
+
33k
11k
-
+
H
L
-
+
33k
11k
Signal system
-
GND
+
It is ON/OFF as for all outputs.
H : ON
MUTE
L : OFF
Power system GND
Signal system
power supply
5VREG(PNPTr External)
-
+
33k
11k
-
+
33k
11k
-
+
28
VIN1
27
VIN1-B
26
VIN1+B
25
S-GND
24
VIN1-SW
23
MUTE
22
VREF_IN
FR
FR
21
VCC_S
20
REG-OUT
19
REG_IN
18
VIN2G
17
VIN2
16
VIN3G
15
VIN3