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SD-EX100H (serv.man18). Function table of IC - Sharp Audio Service Manual (repair manual). Page 14

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– 79 –
SD-EX100H
VDDA
VREF
FLOUT CIN
VSSA
MPXIN
DO
CL
DI
CE
T1
T2
T3 to T7
~
REFERENCE
VOLTAGE
ANTIALIASING
FILTER
SMOOTHING
FILTER
RAM
(24 BLOCK DATA)
MEMORY
CONTROL
ERROR CORRECTION
(SOFT DECISION)
OSC/DIVIDER
CLK(4.332MHz)
SYNC/EC
CONTROLLER
DATA
DECODER
CLOCK
RECOVERY
(1187.5Hz)
CCB
TEST
VREF
57kHz
BPF
(SCF)
SYNC
DETECT-1
PLL
(57kHz)
+
–
SYNC
DETECT-2
XIN
XOUT
VDDD
VSSD
RDS-ID
SYNC
SYR
1
5
6
2
7
8
9
11
16
17
3
4
12
13
14
15
18
19
20
21
22
23
24
Figure 79 BLOCK DIAGRAM OF IC
ICT21 VHiLC72722/-1: RDS Decorder(LC72722)
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
SYR
CE
DI
CL
DO
RDS-ID
SYNC
T7
T6
VSSD
VDDD
XIN
VREF
MPXIN
VDDA
VSSA
FLOUT
CIN
T1
T2
T3
T4
T5
XOUT
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