Sony HCD-VX555 - IC Block Diagrams

58
HCD-VX555/VX555J
6-29. IC BLOCK DIAGRAMS
IC11 LA1845 (MAIN BOARD)
IC51 LC72131 (MAIN BOARD)
IC105 BU4052BCF-E2 (MAIN BOARD) IC302 µPC1330HA (MAIN BOARD)
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13
1211
21222324
S-CURVE
AM/FM
IF
BUFF
COMP
TUNING
DRIVE
AM
OSC
AM
MIX
AM
PF.AMP
AGC
AM
IF
AM
DET
BUFF
LEVEL
DET
FM
IF
FM
DET
REG GND
DEOODER
ANTI-BIRDIE
P-DET
ø
PILOT
CANCEL
STEREO
SW
VCO
304kHz
FF
38k
FF
19k
π
2
FF
19k
0
PILOT
DET
V
CC
ALC
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
2
3
4
5
6
7
8
9
16
15
14
13
12
11
10
17
18
1920
XOUT
VSS AOUT AIN
PD
VDD FMIN
AMIN
XIN
DO
CL
DI
CE
IFIN
IO1
BO4
BO3
BO2
BO1
IO2
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1
0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B
9
12
14
15
11
16
13
10
1
2
3
4
5
6
7 8 9
INVERTER
COMPARATER
SW R1 GND SW P1
CONT
GND
VCC
SW P2 GND
SW R2