Ic Block Diagrams - Sony WX-4500X Service Manual

• IC Block Diagrams

IC101 MN6627481RPMFA
80 79 78
VDD
8 TIMES OVER
SAMPLING,
DIGITAL FILTER
DIGITAL
DEEMPHASIS
BCLK 1
LRCK 2
DATA 3
DVDD 4
DVSS 5
TX 6
MCLK 7
MDATA 8
MLD 9
MICRO
COMPUTER
INTERFACE
SENSE 10
FLOCK 11
TLOCK 12
BLKCK 13
SQCK/GIO0 14
SUBQ 15
DMUTE 16
STAT 17
RST 18
SMCK 19
PMCK 20
/PLAY
21
77 76 75 74 73
VDD
+ – + –
PWM PWM
(R) (L)
1BIT D/A CONVERTER,
PWM LOGIC
CIRC ERROR
INTERPOLATION,
CORRECTION,
SOFT MUTING,
DEINTERLEAVE
DIGITAL ATTENUATOR
DIGITAL AUDIO
INTERFACE
CLV SERVO
OUTPUT PORT
D/A
CONVERTER
22 23 24 25 26 27 28 29 30 31
72 71 70 69 68 67 66 65 64
EFM DEMODULATION,
SYNC INTERPOLATION,
SUBCODE
DEMODULATION
CD-TEXT
BUFFER
16K S-RAM
SERVO CPU
A/D
INPUT PORT
CONVERTER
32 33 34 35 36 37 38 39
WX-4500X
63 62 61
60
TIMING GENERATOR,
59
PITCH CONTROL
VCO
58
57
56
55
54
DSL,
PLL VCO
53
52
51
50
49
SUBCODE
BUFFER
48
47
46
45
44
43
42
41
SERVO
TIMING
GENERATOR
40
VDD
X2
16M
VSS
SBCK
SUBC
VCOF2
PCK /DSLB
EFM /CK384
AVSS2
AVDD2
VCOF
PLLF
DSLF
DRF
IREF
ARF
WVEL
TOFS
PLLF2
41