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1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
1413
12
11
21
22
23
24
25
26
A0–A9
SENSE REFRESH AMP
INPUT/OUTPUT CONTROL SWITCH
(4) INPUT
BUFFER
(4) OUTPUT
BUFFER
CLOCK OSC
COLUMN DECODER
MEMORY CELL
(4194204 BIT)
A0–A9
ROW DECODER
GND
D4
D3
XCAS
XOE
NC
NC
NC
A8
A7
A6
A5
A4VDD
A3
A2
A1
A0
A9
NC
NC
NC
XRAS
XWE
D2
D1
ADDRESS BUFFER
IC550 CS4330-KSR-H IC700, 701 LB1638M
DE-EMPHASIS
VOLTAGE REFERENCE
INTERPOLATOR
DELTA-SIGMA
MODULATOR
ANALOG
LOW-PASS
FILTER
DAC
SERIAL INPUT
INTERFACE
1
2
3
4
5
6
7
8
SDATAI
D
EM/SCLK
LRCK
MCLK
AOUT L
VA+
AGND
AOUT R
1
2
3
4
5 6
7
8
9
10
GND
IN1
VCC
IN2
GND
N.C.
OUT2
VS
OUT1
N.C.
CONTROL LOGIC
– POWER section –
IC900 MM1284XFFE IC950 TL1451ACDB-E20
RESET
SW
SW
SW
1
2
3
4
5
6
7 8
9
10
14
13
12
11
VCC
BUS ON
LINK OFF
CLK OUT
DATA OUT
DATA IN
RESET
BUS RESET
BUS DATA
VREF
BUS CLK
GND
BUS ON INPUT
BUS ON OUT
REFERENCE
VOLTAGE
LATCH
TRIANGLE
OSCILLATOR
VERF.
+2.5V
+2.5V
+
–
U.V.L.O
–
+
+
–
1
2 3
4
5 6 7 8
9
10
16 15 14 13 12
11
PWM
COMPA-
RATOR2
OUTPUT2
OUTPUT1
GND
PWM
COMPA-
RATOR1
VERF
SR R
VERF
VERF
ERROR
AMP2
ERROR
AMP1
VREF/2
SHORT
CIRCUIT
PROTECTION
COMPARATOR
VCC
+
REF
OUT
S.C.P
NON-INV-
INPUT2
INV-
INPUT2
FEED
BACK2
DEAD
TIME
CONTROL2
OUT2
VCC
GND
OUT1
RT
NON-INV-
INPUT1
INV-
INPUT1
FEED
BACK1
DEAD
TIME
CONTROL1
CT
• IC Block Diagrams
– SERVO section –
– MAIN section –
IC501 HM51W4400TT6-8
IC200 CXD2535CR-1
SHCK
4
DFCT
3
FOK
2
TEOK
1
75 70 69 68 67 66 65 63 62 61 60 59 58 57 56 55 54 53 52 51
50
DVSS
DIPO
TEST2
MVC1
RAOF
EFMO
49
48
46
45
GFS
43
GTOP
42
RFCK
40
WDCK
39
DVDD
38
XBCK
37
MCLK
36
XTAI
35
XTAO
34
LRCK
33
BCK
32
C2PO
31
DTO
30
DTI
DIDT
28
DODT
27
DOVF
26
WFCK
41
XPLCK
44
74 73 72 71
AVSS
ADRB
ADRT
AVDD
BIA2
ADIO
VC
AUX
FE
ABCD
BOTM
PEAK
FILO
FILI
PCO
CLTV
AVSS
DVDD
DIFO
DIFI
DICV
RFI
BIAS
ASYI
ASYO
DVSS
25
REC
ADER
23
FMCK
22
DOUT
20
SBIOT
SBODT
18
SBOCK
XRST
DQSY
15
SQSY
14
ADSY
13
SENS
12
SRDT
11
XLAT
10
SCLK
9
SWDT
8
DIRC
7
WRPWR
SSTOP
DVSS
100
COUT
99
OFTRK
98
XDCL
97
DCLI
96
DCLO
95
SPFD
94
SPRD
93
SFDR
92
SRDR
91
FS4
90
FRDR
89
DVDD
88
FFDR 87
TFDR
86
TRDR
85
LDDR
84
TS25
83
ADFG
TEST1
81
APC
80
MID
79
TENV
78
TE
77
SE
76
DIN
ANALOG MUX
34 MHz
PLL
A/D
CONVERTER
OP AMP
SERVO DSP
PWM GENERATOR
DIGITAL
CLV
PROCESSOR
OFTRK/DFCT/
FOK/C OUT/
SHCK/TEOK
PROCESSOR
SERVO
CONTROL
CPU I/F
SENS
CONTROL
SERVO AUTO
SEQUENCER
APC COMP./
FILTER
APC PWM
GENERATOR
DIN PLL
(22 MHz)
COMP
ECC
ENCODER/
DECODER
REGISTER
32K RAM
REGISTER
AUDIO
DATA
CONTROL
EFM
MODULATOR
TIMING
GENERATOR
EFM
DIGITAL PLL
EFM SYNC
DETECTOR/
PROTECTOR
TIMING GENERATOR
DIGITAL
AUDIO
IN/OUT
PEAK
DETECT
64
47
EFM
DEMODULATOR
CLOCK
GENERATOR
29
242119
SUBCODE
P~W
PROCESSOR
17
16
ADIP
DEMODULATOR
ADIP
DECODER
65
82
TRACKING PWM
FOCUS PWM
SLED PWM
TRACKING SERVO
FOCUS SERVO
SLED SERVO
SUBCODE Q
READER/
GENERATOR
VC
VC
VC
VC
VC
VC
VC
VC
36 7
VG
VD
12
VD
16
VD
8
FO1
11
RO1
9
PGND
10
PGND
15
FO2
13
RO2
14
PGND
21
VD
25
VD
30
VD
29
FO3
26
RO3
27
PGND
28
PGND
22
FO4
24
RO4
23
PGND
2
VC
3
CLK
34
PS
6
FI1
5
RI1
33
OE
17
FI2
18
RI2
31
FI3
32
RI3
20
F/R4
19
PI4
4
GND
35
GND
1
G
VC
VC
CLOCK
DC/DC
CONVERTER
CLK
DETECTOR
DRIVER
PRE-DRIVER
CONTROL
DRIVER
PRE-DRIVER
CONTROL
DRIVER
PRE-DRIVER
CONTROL
DRIVER
PRE-DRIVER
CONTROL
IC300 MPC17A38ZVMEL