JVC NX-MD1R Service Manual page 53

LA4628 (IC301) : 2ch BTL AF power amplifier
1. Terminal layout
1
2. Block diagram
RF
2
Ripple
fillter
IN1
+
INR
1
IN
--
SG 3
Bias
circuit
STB Stand by
4
switch
IN2
+
INL 6
IN
--
Pop noise
prevention circuit
5
PP
14
Pre driver Power
Load short
protector
Pre driver Power
Over voltage
/Surge protector
Thermal
shut down
Pre driver Power
Load short
protector
Pre driver Power
7
POP
VCC
14
VCC short protector
output pin
-OUTR
13
POWER
GND
12
GND1
11 +OUTR
GND short protector
output pin
V CC
GND short protector
output pin
-OUTL
9
POWER
10 GND
GND2
+OUTL
8
VCC short protector
output pin
NX-MD1R/NX-MD1
1-53