Pioneer PDP-434CMX Service Manual page 185

5
LA4625 (AUDIO AMP ASSY : IC5003)
• 2ch BLT AF Power Amp. IC
Block Diagram
RIPPLE
FILTER
1
3 BIAS
CIRCUIT
STANDBY
4
IN2
6
POP NOISE
PREVENTION
CIRCUIT
5
5
6
2
PREDRIVER
+
IN
--
PREDRIVER
SW
PREDRIVER
+
IN
--
PREDRIVER
7
PDP-504CMX/1
6
7
OUTPUT PIN TO V CC
SHORT PROTECTOR
POWER
LOAD SHORT
PROTECTOR
POWER
OUTPUT PIN TO GND
SHORT PROTECTOR
OVER VOLTAGE /
SURGE PROTECTOR
V CC
THERMAL
OUTPUT PIN TO GND
SHUT DOWN
SHORT PROTECTOR
POWER
LOAD SHORT
PROTECTOR
POWER
OUTPUT PIN TO V CC
SHORT PROTECTOR
7
8
14
13
POWER
12
GND1
11
9
POWER
10
GND2
8
8
A
B
C
D
E
F
185