PDP-435PE
84
1
2
3
4
1
2
3
4
C
D
F
A
B
E
LA4625 (HD AUDIO ASSY: IC3504)
5
2
1
14
3
POP NOISE
PREVENTION
CIRCUIT
STANDBY
SW
BIAS
CIRCUIT
RIPPLE
FILTER
OVER VOLTAGE /
SURGE PROTECTOR
THERMAL
SHUT DOWN
VCC
OUTPUT PIN TO VCC
SHORT PROTECTOR
OUTPUT PIN TO GND
SHORT PROTECTOR
OUTPUT PIN TO GND
SHORT PROTECTOR
POWER
GND1
IN2
LOAD SHORT
PROTECTOR
OUTPUT PIN TO VCC
SHORT PROTECTOR
13
11
12
PREDRIVER
POWER
PREDRIVER
POWER
IN
+
--
6
POWER
GND2
9
8
10
PREDRIVER
POWER
PREDRIVER
POWER
IN
+
--
4
LOAD SHORT
PROTECTOR
7
• 2ch BTL AF Power Amp IC
Block Diagram