Ic Block Diagrams - Sony HCD-EX1 Service Manual

HCD-EX1

5-16. IC BLOCK DIAGRAMS

• MAIN Board (1/3)
IC301 CXA2568M-T6
VCC
APC PD AMP
VCC
VEE
HOLD 1
VEE
AGCVTH
2 VREF
APC LD AMP
LD 3
VC VCC
PD
4
VC
A 5
VEE
B 6
RF SUMMING AMP RF_EQ_AMP
VC VC
C
7
D
8
ERROR AMP
VC
FOCUS
VEE 9 VEE
VC
VC
F 10
E
11
VC
TRACKING
VC
VC BUFFER ERROR AMP
VCC
VC 12
VC
VEE
VC
IC304 PCM1710U-B/1K
LRCIN 1
INPUT
DIN
2
INTERFACE DIGITAL
FILTER
BCKIN 3
4 TIMING
CLKO
CONTROL
5
XTI
6
XTO
NOISE
SHAPER
DGND 7
V 8
DD
5-LEVEL DAC 5-LEVEL DAC
RIGHT LEFT
V 2R 9
CC
GND2R 10
LOW-PASS FILTER LOW-PASS FILTER
RIGHT LEFT
EXT1R 11
3-STAGE AMP
3-STAGE AMP
EXT2R 12
LEFT
RIGHT
VOUTR 13
GND1 14
24 VCC
23
LC/PD
22 LD_ON
21 HOLD_SW
AGCCONT
20
(50%/30%
OFF)
RF_BOT
19
18 RFTC
RF_1
17
RFO
16
15 RFE
14 FE
13 TE
28 ML/DSD
MC/DM2
27
MODE
CONTROL
26 MD/DM1
25
MUTE
24
MODE
23
CKSL
22 DGND
21 V
DD
20 V 2L
CC
19 GND2L
18 EXT1L
17 EXT2L
16 VOUTL
15 V CC 1
IC303 CXD2585Q
80 75 74 73
79 78 77 76
DVDD0 1
2
XRST
MUTE 3 D/A
Interface
4
DATA
5
XLAT
CLOCK 6 CPU
Interface
7
SENS
SCLK 8
9
ATSK
WFCK 10
XUGF 11
XPCK 12
GFS 13
V2PO 14
SCOR 15
16
C4M
WDCK 17
18
DVSS0
19
COUT
MIRR 20
SERVO
Interface
30 30
72 71 70 69 67 66 65
68
Clock
Generator
Error
32K
Corrector
RAM
Sub Code EFM Digital
Processor demodurator PLL
Servo
Asymmetry
Auto
Corrector
Sequencer
Digital
CLV
SIGNAL PROCESSOR BLOCK
SERVO BLOCK
MIRR
DFCT
FOK
PWM GENERATOR SERVO DSP
FORCUS PWM
FOCUS SERVO
GENERATOR
TRACKING PWM TRACKING
GENERATOR SERVO
SLED PWM
SLED SERVO
GENERATOR
A/D OPAmp
Converter Analog SW
21 22 23 24 25 26 27 28 29 30 11 11 31 32 33 34 35 36 37 38 39 40
64 63 62 61
Digital
OUT
60 VPCO
59
V16M
58
VCTL
57 BIAS
56 AVDD1
55 PCO
54 FILI
53 FILO
52 CLTV
51 AVSS1
50 RFAC
49 ASYI
48 ASYO
47 AVDD0
46 IGEN
45 AVSSO
44 ADIO
43 RFDC
42
CE
41
TE