Sony HCD-GX255 Service Manual page 61

• IC Block Diagrams
– CD Board –
IC101 CXD3059AR
120 119 118
SERVO
INTERFACE
1 MIRR
MIRR
DFCT
DFCT 2
FOK
FOK 3
VSS 4
LOCK 5
MDP 6
7
SSTP
8
IOVSS1
SFDR 9
SRDR 10
TFDR 11
PWM
GENERATOR
TRDR 12
FFDR 13
FRDR 14
IOVDD1 15
AVDD0 16 SERVO
DSP
AVSS0 17
NC 18
A/D
CONVERTER
E 19
F 20 TE
21
TEI
TEO 22
FEI 23
24
FEO
FE
VC
VC 25
A 26
B 27 SUM
C 28
D 29
NC 30
31 32 33
116 115 114 112 111 110 109
117 113
DIGITAL
ATT EQ AMP
APC
34 35 36 37 38 39 40 41
108 107 106 105 104 103 102 101 100
CPU INTERFACE
COVERTER
SERVO
CLV AUTO
SEQUENCER
D/A
INTERFACE
ERROR
CORRECTOR
EFM
DEMODULATOR
SUB CODE
PROCESSOR
ASYNMMETRY DIGITAL
CORRECTOR PLL
42 43 44 45 46 47 48 49 50 51 52 53
HCD-GX255/RG170/RG470
99 98 97 96 95 94 93 92 91
D/A
LPF
LPF
CLOCK
GENERATOR
DIGITAL OUT
SELECTOR
32k
RAM
DC/DC
CONVERTER
54 55 56 57 58 59 60
90 RMUT
89 IOVDD0
88 NC
87 AVDD2
86 AOUT2
85 VREFR
84 AVSS2
83 AVSS1
82 VREFL
81 AOUT1
80 AVDD1
79 XVDD
78 XTAI
77 XTAO
76 XVSS
75 NC
74 IOVSS2
73 TES1
72 TEST
71 DOUT
70 IOVDD2
69 EMPHI
68 EMPH
67 VDD
66 BCK
65 PCMD
64 VSS
63 LRCK
62 LRCKI
61 PCMDI
61