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CX-LEM550
• Waveforms
– CD Board –
– MAIN Board –
1
IC101 yd (LRCK)
5
Q344 collector
(REC mode)
4.4 Vp-p
22.8 µ s
12.1 µ s
10 µ s/DIV 2 V/DIV
5 µ s/DIV 5 V/DIV
2
IC101 yh (BCK)
4.5 Vp-p
472 ns
100 ns/DIV 2 V/DIV
3
IC101 uj (XTAO)
4.5 Vp-p
59 ns
20 ns/DIV 2 V/DIV
4
IC101 ra (RFACO)
Approx.800 mVp-p
1 µ s/DIV 200 mV/DIV
– CONTROL Board –
6
IC801 qd (O-XT2)
3.4 Vp-p
12.4 Vp-p
30.5 µ s
10 µ s/DIV 1 V/DIV
7
IC801 qh (XOUT)
3.1 Vp-p
99.6 ns
50 ns/DIV 1 V/DIV
• IC Block Diagrams
– CD Board –
IC101 CXD3059AR
120
119 118
117
116
SERVO
INTERFACE
MIRR
1
MIRR
DFCT
DFCT
2
FOK
FOK
3
VSS
4
LOCK
5
MDP
6
7
SSTP
IOVSS1
8
9
SFDR
SRDR
10
11
TFDR
PWM
GENERATOR
TRDR
12
FFDR
13
FRDR
14
IOVDD1
15
AVDD0
16
SERVO
DSP
17
AVSS0
NC
18
A/D
CONVERTER
E
19
F
20
TE
TEI
21
TEO
22
FEI
23
FEO
24
FE
VC
VC
25
26
A
B
27
SUM
28
C
D
29
NC
30
ATT
31
32
33
34
35
36
28
28
115 114
113
112 111 110 109
108
107
106
105
104
103 102
101 100
CPU INTERFACE
COVERTER
SERVO
DIGITAL
AUTO
CLV
SEQUENCER
D/A
INTERFACE
ERROR
CORRECTOR
EFM
DEMODULATOR
SUB CODE
PROCESSOR
ASYNMMETRY
DIGITAL
CORRECTOR
PLL
EQ
AMP
APC
37
38
39
40
41
42 43 44
45
46
47 48 49
50
51
52 53
99
98
97
96
95
94
93
92
91
90 RMUT
89 IOVDD0
88 NC
87 AVDD2
D/A
86 AOUT2
LPF
85 VREFR
84 AVSS2
83 AVSS1
82 VREFL
LPF
81 AOUT1
80 AVDD1
79 XVDD
78 XTAI
CLOCK
GENERATOR
77 XTAO
76 XVSS
75 NC
74 IOVSS2
73 TES1
72 TEST
DIGITAL OUT
71 DOUT
70 IOVDD2
69 EMPHI
68 EMPH
67 VDD
66 BCK
65 PCMD
SELECTOR
64 VSS
32k
RAM
63 LRCK
DC/DC
62 LRCKI
CONVERTER
61 PCMDI
54
55
56 57
58
59
60
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