Sony HCD-VX777 - IC Block Diagrams

57
HCD-VX777
6-29. IC BLOCK DIAGRAMS
IC11 LA1845 (MAIN BOARD)
IC51 LC72131 (MAIN BOARD)
ALC
AGC
REG GND VCC
AM
DET
STEREO
SW
P-DET
φ
VCO
304KHz
DECODER
ANTI-BRIDIE
PILOT
CANCEL
FF
38k
FF
19K∠
PILOT
DET
AM
IF
AM
OSC
AM
MIX
AM/FM
AM
RF.AMP
COMP
BUFF
S-CURVE
IF
BUFF
LEVEL
DET
FM
IF
FM
DET
FM-IN
AM
MIX-OUT
REG
AM
IF-IN
GND
TUNED
STEREO
FM-DET
VCC
IF-REQ
MUTE
AM/FM
VCO
STOP
OSC FM.SD AM-AGC S-METER AFC AM-RF IN DECODER OUT AM DET-OUT AM-OSC DECODER IN PLL-IN PILOT CANCEL R-OUT L-OUT
π
2
FF
19K∠0
TUNING
DRIVE
24 23 22 21 20 19 131415161718
1 2 3 4 5 6 121110987
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
2
3
4
5 6 7 8 9
INVERTER
COMPARATER
SW R1 GND SW P1
CONT GND VCC SW P2 GND
SW R2
IC302 uPC1330HA (MAIN BOARD)
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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