Lc72722 (Ic801 : For E2 Model Only); Lc74782 (Ic2017); Sn74Lvc244Apw (Ic1028); Block Diagram - Denon AVR-1909 Service Manual

LC72722 (IC801 : for E2 model only)

Block Diagram

+5V
Vdda
REFERENCE
VOLTAGE
Vssa
MPXIN
ANTIALIASING
FILTER
DO
CL
DI
CE
T1
T2
T3 to T7

LC74782 (IC2017)

V REF 1
MPXIN 2
Vdda 3
Vssa 4
FLOUT 5
CIN 6
T1 7
T2 8
T3(RDCL) 9
T4(RDDA) 10
T5(RSFT) 11
X OUT 12
V REF
FLOUT
57 kHz
BPF
SMOOTHING
(SCF)
FILTER
RAM
CCB
(24 BLOCK DATA)
MEMORY CONTROL
TEST
AVR-1909/789, AVC-1909
24 SYR
23 CE
22 DI
21 CL
20 DO
LC72722
19 RDS-ID
LC72722M
18 SYNC
LC72722PM
17 T7(CORREC/ARI-ID/TA/BEO)
16 T6(ERROR/57K/TP/BE1)
15 Vssd
14 Vddd
13 X IN
Top view
CIN
+
PLL
(57 kHz)
Ð
V REF
ERROR CORRECTION
SYNC/EC CONTROLLER
(SOFT DECISION)
CLK(4.332 MHz)
DETECT-1
OSC/DIVIDER
X IN X OUT

SN74LVC244APW (IC1028)

73
CLOCK
RECOVERY
(1187.5 Hz)
DATA
DECODER
SYNC SYNC
DETECT-2
+5V
Vddd
Vssd
RDS-ID
SYNC
SYR