Sony HCD-DX20 - IC Block Diagrams - Main Board

41
HCD-DX20/RG30
IC103 CXA2568M-T6 (BD BOARD)
11
12
10
VC
VC
VC
VC
VC
VC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMP
FOCUS
TRACKING
ERROR AMP
VC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
20
21
22
23
24
18
17
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PD
LD_ON
HOLD_SW
RF_BOT
RFTC
RF_1
RFO
RFE
FE
TE
(50%/30%
OFF)
APC PD AMP
APC LD AMP
IC103 BU1924 (MAIN BOARD)
1 2 3 4 5 6 7 8
910111213141516
QUAL
RDATA
VREF
VDD1
VSS1
MUX
VSS3
CMP
RCLK XO XI (NC) VDD2 VSS2 T1 T2
8TH SWITCHED
CAPACITOR
FILTER
PLL 57KHz
RDS/ARI
BIPHASE
DECODER
DEFFERENTIAL
DECODER
PLL
1187.5Hz
TEST
CLOCK
IC102 LC72130 (MAIN BOARD)
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