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HCD-M70
• IC Block Diagrams
– CD Board –
IC101 CXD2587Q
60
59
58
57
56
55
54
53
ERROR
DIGITAL
CORRECTOR
DIGITAL
OUT
PLL
16K
RAM
LRCK
61
D/A
EFM
PCMD
62
INTERFACE
DEMODULATOR
BCK
63
EMPH
64
XVDD
65
XTAI
66
TIMING
XTAO
67
LOGIC
XVSS
68
AVDD1
69
AOUT1
70
AIN1
71
LOUT1
72
PWM
PWM
SUBCODE
AVSS1
73
PROCESSOR
AVSS2
74
LOUT2
75
3rd ORDER
NOISE SHAPER
SERVO
INTERFACE
AIN2
76
OVER SAMPLING
DIGITAL FILTER
AOUT2
77
SERVO AUTO
SEQUENCER
AVDD2
78
RMUT
79
SERIAL IN
INTERFACE
LMUT
80
CPU
INTERFACE
1
2
3
4
5
6
7
8
IC102 BA5974FP-E2
28
27
26
25
24
23
22
F
R
R
INTERFACE
F
F
INTERFACE
F
R
F
R
INTERFACE
R
F
R
1
2
3
4
5
6
7
52
51
50
49
48
47
46
45
44
43
42
41
ASYMMETRY
CORRECTOR
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
A/D
CONVERTER
CLOCK
GENERATOR
SERVO DSP
PWM GENERATOR
FOCUS
FOCUS PWM
SERVO
GENERATOR
TRACKING
TRACKING
PWM GENERATOR
SERVO
SLED
SLED PWM
SERVO
GENERATOR
DIGITAL
CLV
MIRR, DFCT,
FOK
DETECTOR
9
10 11 12 13 14 15 16 17 18 19 20
21
20
19
18
17
16
15
MUTE
LEVEL SHIFT
THERMAL
SHUTDOWN
8
9
10
11
12
13
14
IC103 CXA2568M-T6
HOLD
1
APC PD AMP
+
–
VEE
+
40
SE
–
39
FE
38
VC
VEE
AGC VTH
2
LD
3
PD
4
37
XTSL
TES1
36
TEST
35
VSS
34
A
5
33
FRDR
32
FFDR
31
TRDR
B
6
30
TFDR
29
SRDR
28
SFDR
C
7
27
SSTP
D
8
MDP
26
VC
25
LOCK
24
FOK
VEE
9
VEE
23
DFCT
22
MIRR
VC
+
–
F
10
21
COUT
E
11
–
+
VC
VC BUFFER
+
VC
12
–
VC
– MAIN Board –
IC101, 201 TDA7296
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
MOS GAIN &
–
LEVEL SHIFTING
+
STAGE
BOOST-
STRAP
1 2
3
4
5
6
32
32
VCC
VCC
24
VCC
23
LC/PD
APC LD AMP
22
LD ON
+
–
+
–
21
HOLD SW
AGC CONT
20
50µA
VCC
19
RF BOT
VC
+
–
+
+
–
–
VC
+
–
VEE
18
RFTC
RF SUMMING AMP
RF EQ AMP
RF I
17
+
+
16
RF O
VC
VC
–
–
15
RFE
FOCUS ERROR AMP
+
14
FE
–
VC
–
13
TE
+
TRACKING
ERROR AMP
VC
VC
VEE
VCC
THERMAL
SHUTDOWN
MOS
SHORT
OUTPUT
CIRCUIT
STAGE
PROTECTION
STANDBY/
MUTE
7
8 9
10
11
12
13
14 15
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