Pioneer DEQ-P6600/EW, Service Manual

Page: 34 / 46

DEQ-P8000/UC
34
1 2 3 4
1 2 3 4
C
D
F
A
B
E
7.2 IC
5 8
1 4
STB BUS( )
S1
GND
+
-
BIAS
+
7
VCC
2
R
6
BUS(+)
3
S2
COM
DRIVER
OUTPUT
(CURRENT)
RECEIVER
OUTPUT
-
-
HA12240FP
* TC7WB383FK
* AN8015SH
* XC25BS5118MR
CLK
IN
6
VDD
5
Q
1
4
CE
1
VSS
2
Q
0
3
I/M
Counter
11bit Pll
(XN)
1 _
2
Fuse
Select
8
7
6
IN+
VREF
VCC
3
4
5
S.C.P.
GND
OUT
10
9
FB
IN-
1
2
CT
RT
Error
amp.
S.C.P.
comp.
2.46V
0.5V
VREF
1.83V
11.1V
Reference
supply
Triangular
wave OSC
+
-
+
-
Clamp
+
S
R
Latch
R O
U.V.L.O.
PWM
comparator
I
OE A1 B1 GND
1 2 3 4
8 7 6 5
VCC C1 D1 EX
IC's marked by * are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.