Sony HCD-D890AV - IC Block Diagrams

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• Tuner section
6-31. IC BLOCK DIAGRAMS
IC21 LC72130
IC41 LA1838
1
2
3
4 5
6
7
8
XIN
B03
CE
IFIN
AOUT
2
AIN1 AIN2
D1
CL
B04
D0
B01
I01
B02
XOUT PD1 VSS PD2 FMIN AMIN AOUT1 VDD I02
B05
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16.1/17 4bits
SWALLOW COUNTER
1/16.1/17 4bits
POWER
ON
RESET
1/2
C B
I / F
REFERENCE
DIVIDER
REFERENCE
DIVIDER
C B
I / F
2
DATA SHIFT REGISTER
LATCH
ALC
BUFF
AM
OSC
AM
MIX
AM
RF. AMP
AGC
IF
DET
S-CURVE
AM/FM
IF
BUFF
REG
TUNING
DRIVE
GND
VCC
PILOT
DET
VCO
FF
STEREO
DRIVE
STEREO
SW
MUTE
FF FF
FM
IF
FM
DET
DECODER
ANTI BIRDIE
1
2 3 4 5 6 7 9
8
20
19 18 17 16
151411
10
212223242527 262930
OSC.BUFF FM-SD.ADJ AM-OSC REG FM-AFC AM-RF-IN AGC MPX-IN FM-DET OUT AM-DET OUT OUT L OUT R AMP-IN L AMP-IN R AMP OUT R AMP OUT L
VCO-STOP
STEREO
AM/FM
AM. SD
FM. SD
AM. SD ADJ
IF-BUFF
MUTE
VCC
FM DET
FM-IN
AM-MIX
FM-IF
AM-IF
GND
TUNED
S METER
FM
S METER
AM
COMP
SD
AM
12
13
PHASE
DET
28
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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