JVC UX-A52R Service Manual page 44

UX-A52R
LA4628 (IC801) : Power amp.
1. Pin layout
1
2
2. Block diagram
RIPPLE
FILTER
1
PRE GND
3
CIRCUIT
STANDBY
4
IN2 6
POP NOISE
PREVENTION
CIRCUIT
1-44
13
14
2
PREDRIVER
IN
PREDRIVER
BIAS
SW
PREDRIVER
IN
PREDRIVER
5
7
OUTPUT PPIN TO VCC
SHORT PROTECTOR
POWER
LOAD SHORT
PROTECTOR
POWER
OUTPUT PIN TO GND
OVER VOLTAGE/
SHORT PROTECTOR
SURGE PROTECTOR
Vcc
THERMAL
OUTPUT PIN TO GND
SHUT DOWN
SHORT PROTECTOR
POWER
LOAD SHORT
PROTECTOR
POWER
OUTOUT PIN TO VCC
SHORT PROTECTOR
Vcc
14
13 -OUT1
POWER
12
GND
11
+OUT1
-OUT2
9
POWER
10
GND2
8 +OUT2