Ic Block Diagram - Sony XR-1800 Service Manual

• IC Block Diagram – MAIN Board –
IC450 LC75372E
33 32
ROUT 34
RVREF
RFIN 35
+
RFOUT
36
–
+
RROUT
37
–
RVREF 38
VREF
39
LVREF 40
LROUT 41
LFOUT
42
LFIN
43
LVREF
+
LOUT
44
–
1
2
31 30 29 28
RVREF
RVREF
+ +
– –
LATCH
RVREF
+
–
LVREF
+
–
LVREF
LVREF
3 6
4 5
27
26 25 24 23
RVREF
+
–
RVREF RVREF
SHIFT
DECODER CONTROL
REGISTER
RVREF
LVREF
LVREF LVREF
LVREF
8 10 11
7 9
– 25 –
R2
22
21
R1
20 TEST
19
VSS
18 NC
17 CL
DI
16
15 CE
14 VDD
13 L1
12 L2