Denon AVC-A1SR - Page 37

37
AVR-5803/AVC-A1SR
LC72131M
(IC307/AVR-5803 only)
1
20
2
19
3
18
4
17
5
16
6
15
7
14
813
9
12
10
11
XI N
CE
DI
CL
DO
BO1
BO2
BO3
BO4
IO1
AOUT
AI N
PD
V
DD
FMIN
AMI N
IO2
IFIN
Vss
XOUT
LA1265 (S)
(IC303/AVR-5803 only)
22
1
11
1
23
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
FM IF
Level
Det.
Level
Det.
RF Amp Mix.
AM IF
Det.
LED
Driver
Osc.
Buffer
Reg.
AGC S meter
SD Adj
GND
Q Det
S Curve
Vcc
Post
Amp
LA3401
(IC302/AVR-5803 only)
1
VOL
REG
OSC
SYMMET RI C A L
REOCT A N CE
CI RCUI T
PHASE
COMP ARATOR
V C O ST OP
PI L OT DET
FF
FF
FF
38kHz
FF
38kHz 90 °
FF
19kHz 90 °
MUT I N G
FM AM CHANGE
Ro
Rc
Rc
Rb
DECODER
MUT I N G C ON T ROL
FM AM CHANGE OV ER
V cc ON
MUT I N G
MUT I N G
OUT P U T
ST EREO
SWI T CH
TRI GGER
LAMP
DRI V ER
Rb
2
3
4
5
678
9
10
11
22
21
20
19 18
17
16
15 14
13
12
m
PD4721GS-GJG (IC501)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
5.5 k W
5.5 k
W
300
W
300
W
C4+
GND
C4
-
Vss
STBY
V
DD
C1+
Vcc
C1
-
C5+
C5
-
D
IN
1
D
IN
2
R
OUT
1
R
OUT
2
V
CHA
D
OUT
1
D
OUT
2
R
IN
1
R
IN
2
17
16
15
TA8772AN (IC615)
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
××
2
1
1 or
Pulse
Elimination
Pulse
Elimination
××
2
1
1 or
Pulse
Insertion
Pulse
Insertion
AGC
Detector
AGC
Detector
Detector
Clamp Clamp
Clamp Clamp
AGC AGC
LPF LPF
Pulse
HG. GP
225f
H
VCO
1/225
Clock
Average
Bias
CCD 1H
CCD 1H
Bipolar Circuit
CCD Circuit
S / H S / H
REF REF
+
+