• IC Block Diagrams – MAIN Board –
IC301 CXA2509AQ-T4
30
29
28
27
120µ/70µ
–
+
PBFB2
31
X1
PBRIN2
32
F2
33
PBREF2
PBFIN2
34
VCT
35
VCT
PBGND
36
+
PBFIN1
37
F1
PBREF1
38
X1
PBRIN1
39
PBFB1
40
120µ/70µ
2
3
4 5
1
IC401 LC75373ED
33
32
+
+
–
–
34
LSELO
L4
35
L3
36
L2
37
+
L1
38
–
VDD
39
–
R1
40
+
R2
41
R3
42
R4
43
44
RSELO
–
–
+
+
1
2
26
25
24
23
22
21
24dB
T2
+ –
NR BIAS
MODE
TAPE/AUX
TAPE EQ
FWD/RVS
VCC
LPF
+
DETECT
–
F3
T1
24dB
6
7
8
9
10
31
30
29
28
27
26
–
+
–
+
–
+
DECODER
+
–
+
–
+
–
3 4
5
6 7 8
SECTION 6
DIAGRAMS
20
MSMODE
MS
19
DRSW
18
TAPESW
17
INSW
16
NC
15
NC
MS ON/
OFF
14
MSOUT
13
DGND
12
MSTC
11
G1FB
25
24
23
SHIFT
LATCH
CONTROL
REGISTER
9 10
11
– 17 –
IC361 MM1322XFBE
1
GND
IN2
2
VCC
3
IN1
4
22
LFIN
+
21
LFOUT
–
+
20
LROUT
–
19
VREF
18
CE
17
DI
16
CL
15
VSS
–
14
RROUT
+
–
13
RFOUT
+
12
RFIN
8 OUT2
7
VS
6
OUT1
5
GND