Arcam CD73 - Page 20

AC
SUM
AC
VCA
EQ_ON/OFF
VC
DVcc
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
VC
VC
VC
DVC
DVC
VOFST
VOFST
B
C
A
D
VOFST
EQ
APC
23
RFG
24
BST
26
RFC
25
VFC
14
DVC
27
VC
5
GND
22
Vcc
1
LD
2
PD
12
SW
11
E
10
F
9
D
8
C
7
B
6
A
15
RFAC
30
DC_OFST
29
RFDCI
28
RFDCO
17
FEI
16
FE
19
TE_BAL
18
TE
21
CEI
20
CE
13
DVcc
3
EQ_IN
4
AC_SUM
-
+
-
+
VC
VC
DVC
DVcc
-
+
-
+
-
+
-
+
DVcc
-
+
-
+
DVcc
-
+
gm
gm
VC
VC
VOFST
DVC
DVC
-
+
+
VC
Vcc
APC-OFF (Hi-Z)
RW/ROM
(H/L)
Vcc
+
CD73 COMPACT DISC PLAYER
- 20 -
MAIN BOARD
U101: CXA2581N
P1 OUT1 VCC2 OUT2 P2
3281097
4
5
1
6
VCC1
VZ
IN1
GND
IN2
Predriver
Input logic circuit
MAIN BOARD
U102: LB1641