Sony MDS-DRE1 Service Manual page 45

• IC Block Diagrams
– BD Board –
IC121 CXD2535CR
75 74 73 72 71
SE 76
TE 77
TENV 78
MID 79
APC 80
TEST1 81
ADFG 82
TS25 83
LDDR 84
TRDR 85
TRACKING PWM
TFDR 86
FOCUS PWM
FFDR 87
SLED PWM
DVDD 88
PWM GENERATOR
FRDR 89
FS4 90
SRDR 91
SFDR 92
SPRD 93
DIGITAL
SPFD 94
CLV
DCLO 95
PROCESSOR
DCLI 96
XDCL 97
OFTRK/DFCT/
OFTRK 98
FOK/C OUT/
SHCK/TEOK
COUT 99
PROCESSOR
DVSS 100
1 2 3 4 5 6
70 69 68 67 66 65 64 63 62 61 60
34 MHz
ANALOG MUX
OP AMP
A/D
CONVERTER
SERVO DSP
TRACKING SERVO
FOCUS SERVO
SLED SERVO
ADIP ADIP
DEMODULATOR DECODER
APC COMP./
APC PWM
FILTER
GENERATOR
SERVO AUTO SENS
SEQUENCER CONTROL
SERVO
CPU I/F
CONTROL
7 8 9 10 11 12 13
59 58 57 56 55 54
COMP
PLL
ECC
ENCODER/
DECODER
REGISTER
32K RAM
REGISTER
SUBCODE Q
READER/
GENERATOR
SUBCODE
P~W
PROCESSOR
14 15 16 17 18 19 20 21 22
– 70 –
53 52 51
DIN PLL
(22 MHz)
EFM
MODULATOR
EFM
DIGITAL PLL
EFM
DEMODULATOR
EFM SYNC
DETECTOR/
PROTECTOR
CLOCK
GENERATOR
AUDIO
DATA
CONTROL
DIGITAL
AUDIO
IN/OUT
PEAK
DETECT
23 24 25
50 DVSS
49 DIPO
48 TEST2
MVC1
47
46 RAOF
EFMO
45
44 XPLCK
GFS
43
GTOP
42
41 WFCK
RFCK
40
WDCK
39
DVDD
38
XBCK
37
MCLK
36
XTAI
35
XTAO
34
LRCK
33
BCK
32
C2PO
31
DTO
30
29 DTI
DIDT
28
DODT
27
26 DOVF