Denon AVR-789 Service Manual page 73

LC72722 (IC801 : for E2 model only)
QQ
3 7 63 1515 0
Block Diagram
+5V
Vdda
REFERENCE
Vssa
MPXIN
DO
TE
L 13942296513
CL
DI
CE
T1
T2
T3 to T7
LC74782 (IC2017)
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V REF
MPXIN
Vdda
Vssa
FLOUT
CIN
T1
T2
T3(RDCL)
T4(RDDA)
T5(RSFT)
X OUT
V REF
FLOUT
VOLTAGE
57 kHz
BPF
ANTIALIASING SMOOTHING
(SCF)
FILTER FILTER
RAM
CCB
(24 BLOCK DATA)
MEMORY CONTROL
TEST
x ao
y
i
AVR-1909/789, AVC-1909
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8
1 24 SYR
2 23 CE
3 22 DI
4 21 CL
5 20 DO
LC72722
6 19 RDS-ID
LC72722M
7 18 SYNC
LC72722PM
8 17 T7(CORREC/ARI-ID/TA/BEO)
9 16 T6(ERROR/57K/TP/BE1)
10 15 Vssd
11 14 Vddd
12 13 X IN
Top view
CIN
+
PLL
(57 kHz)
Ð
V REF
Q Q
3 6 7 1 3
ERROR CORRECTION
(SOFT DECISION)
CLK(4.332 MHz)
OSC/DIVIDER
X IN X OUT
SN74LVC244APW (IC1028)
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73
2 9 9 4 2 8
CLOCK
RECOVERY
(1187.5 Hz)
DATA
DECODER
1 5 0 5 8 2 9 9 4
SYNC/EC CONTROLLER
SYNC SYNC
DETECT-1 DETECT-2
m
co
9 9
+5V
Vddd
Vssd
RDS-ID
2 8 9 9
SYNC
SYR