Pioneer PDP-504PE Service Manual page 75

5
Pin Function
No.
Pin
Name
SDIP42 SOP40 QFP48
21 20 18 GND
22 21 19 V+
23 22 20 VREFIN
24 23 21 VREF
29 28 28 BASSOUT
30 29 29 OUTR
31 30 30 OUTL
36 34 34 FFR1
FFL1
40 38 40
3 3 45 FILOUT
25 24 22 MODE3
26 25 23 MODE2
27 26 26 MODE1
5
6
GND
TruBass
Rch
Lch
3
2
1
PDP-504PU
6
7
Equivalent Circuit
V+ V+ V+
V+ V+ V+
V+ V+ V+
150
7
8
A
0V
B
V+
V+/2
C
D
V+/2
E
0V
F
75
8