Sony XR-C8220 Service Manual page 33

• IC Block Diagrams
– MAIN Board –
IC10 BU2624FV-E2
REFERENCE
XIN 1
DIVIDER
CE 2
I/O
CK 4 SHIFT REGISTER LATCH
CTL
DA
5
CD 6
P0 7
9
P1
10
P3
IC250 CXA2510AQ-T4
30 29 28 27
120µ/
70µ
– +
PBFB1 31
X1
PBRIN1 32
F2
PBREF1 33
PBFIN1 34
VCT 35
VCT
PBGND 36
+
PBFIN2 37
F1
PBREF2 38
X1
PBRIN2 39
PBFB2 40
120µ/
70µ
1 2 3 4 5
PHASE
DET
MAIN
PRESCALER
COUNT
IF COUNT
CTL
20BIT COUNT
26 25 24 23 22 21
NR
T2
+ –
NR BIAS
MODE
TAPE/AUX
TAPE EQ
MODE
FWD/RVS
VCC
LPF
+
–
F3
OFF/B
T1
NR
6 7 8 9 10
IC201 LB1638M
GND
20 XOUT
19
VSS
18 PD
IN1
17
VDD
FMIN
16
VCC
IN2
AMIN
15
GND
P2
14
13 IFIN
12 SD
P4
11
20
MSMODE
MS
19 DRSW
18 TAPESW
17 INSW
NR
16 NRSW
15 NC
MS ON/
OFF
DETECT
14 MSOUT
13
DGND
12 MSTC
11 FF
– 47 –
1
2
3
4
5
10 N.C.
9 OUT1
8 VS
7
OUT2
6 N.C.