Read Sony CMT-C7NT / HCD-C7NT Service Manual online
47
47
HCD-C7NT
6-3. Block Diagram – MD Servo Section –
• Signal Path
: PB (MD)
: REC (MD)
: CD
: USB
I2C-DATA, I2C-CLK, I2C-BUSY, PDOWN
F
C
B
D
A
E
I
J
J
I
B
A
C
D
E
F
DETECTOR
J
I
A
B
C
D
D
E
F
LD
PD
LASER DIODE
ILCC
PD
OPTICAL PICK-UP
(KMS-262E)
Q121, 122
AUTOMATIC
POWER CONTROL
APC
PD
APCREF
AT
AMP
B.P.F.
WBL
ADFM
ADIN
ADFG
ABCD
AMP
ABCD
FE
TE
SE
F0CNT
WBL
3T
EQ
COMMAND
SWDT
SCLK
XLAT
RFO
RF AGC
& EQ
AGCI
EQ
RF
IC101
RF AMP,
FOCUS/TRACKING ERROR AMP
TEMP
MORFO
MORFI
3T
WBL
AUX
PEAK
BOTM
IC141
FOCUS/TRACKING COIL DRIVER,
SPINDLE/SLED MOTOR DRIVER
OUT4F
OUT4R
M701
(SPINDLE)
OUT2F
OUT2R
M702
(SLED)
OUT1F
OUT1R
OUT3F
OUT3F
OUT3R
FCS+
FCS–
TRK+
TRK–
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
IN4R
IN4F
IN2F
IN2R
IN1F
IN1R
IN3F
IN3R
MOD
SPFD
SPRD
APCREF
SFDR
SRDR
FFDR
FRDR
TFDR
TFDR
TRDR
PSB
PWM GENERATOR
FROM CPU
INTERFACE
IC151 (2/2)
DIGITAL SERVO
SIGNAL PROCESSOR
RECP
AUX1
ABCD
FE
TE
SE
PEAK
BOTM
XLRF
CKRF
DTRF
XLAT
SCLK
SWDT
FILI
PCO
CLTV
FILO
EFMO
ADDT
DADTI
IC151 (1/2)
TX
ASYO
ASYI
RFI
SCTX
HR901
OVER WRITE HEAD
ADFG
F0CNT
SPFD
SPRD
SAMPLING
RATE
CONVERTER
DIGITAL
AUDIO
INTERFACE
DIN0
DOUT
IC151 (1/2)
DIGITAL SIGNAL PROCESSOR,
EFM/ACIRC ENCODER/DECODER,
SHOCK PROOF MEMORY CONTROLLER,
ATRAC ENCODER/DECODER
INTERNAL BUS
DADT
XBCK
LRCK
FS256
OSCI
OSCO
DQSY
SQSY
XINT
SENS
SRDT
SWDT
SCLK
XLAT
MNT0
MNT1
MNT2
MNT3
SWDT
SCLK
XLAT
SHOCK (MNT1)
XBUSY (MNT2)
DIG-RST
SQSY
DQSY
LDON
WRPWR
MOD
XINT
SENS
SRDT
LOAD-IN
LOAD-OUT
RIN
FIN
OUT1
OUT2
VREF
IC1011
LOADING
MOTOR DRIVER
M703
(LOADING)
DQ1 – DQ4
A0 – A9
D0 – D3
A00 – A10
XOE
XWE
XRAS
XCAS
OE
WE
RAS
CAS
IC152
D-RAM
DIN1
IC1003(1/2)
MASTER CONTROLLER
HF MODULE
REFLECT
PROTECT
LOAD-LO
WP
SDA
SCL
EEP-WP
XOUT
XIN
SCL
SDA
M+7V
63
13
53
50
45
58
59
I2C-DAT 28
I2C-CLK
I2C-DATA
I2C-CLK
27
I2C-BUSY
I2C-BUSY
21
47
LIMIT-IN
OUT-SW
S101(LIMIT IN)
S103(OUT)
S104(PLAY)
S105(REC)
PLAY-SW
REC-SW
XBCKI
LRCKI
11
9
8
4
1
2
3
48
47
46
40
33
38
37
36
32
35
34
26
28
18
17
16
20
12
30
29
5
6
7
10
Q101
LASER ON
SWITCH
LD/PD
AMP
I-V
AMP
I-V
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF AMP
B.P.F.
PEAK &
BOTTOM
6
8
92
91
88
89
86
85
81
80
83
13
67 65 66 75 74 63 64
82
27
25
21
23
12
10
14
15
19
18
29
30
3
4
16
M
M
M
AUTOMATIC
POWER
CONTROL
DIGITAL SERVO
SIGNAL
PROCESS
ANALOG MUX
A/D CONVERTER
SERIAL/PARALLEL
CONVERTER,
DECODER
AUTO
SEQUENCER
V-I
CONVERTER
Q131 - 134
HF MODULE
SWITCH
100
60
59
62
61
53
54
57
78
79
94 93
10
12 11
14
9
8
5 6 7
1 2 3 4
43
47
16
29
27
28
26
21
20
19
23
24
22
25
17
46
44
22
4
5
23
15
68
ADIP
DEMODULATOR/
DECODER
SPINDLE
SERVO
COMPA-
RATOR
PLL
FILTER
SUBCODE
PROCESSOR
EFM/ACIRC
ENCODER/
DECODER
SHOCK
PROOF
PROOF
MEMORY
CONTROLLER
ATRAC
ENCODER/
DECODER
CPU
INTERFACE
MONITOR
CONTROL
CONTROL
16
43
48
46
42
18
23
49 30
31 51
55 54
29
XRST
CLOCK
GENERATOR
48, 49, 50, 51
2, 3, 24, 25
34 – 31,
36 – 40, 45
8 – 12,
15 – 19, 21
65 64
9
10
7
VCC 1
4
2
M
Q1002
REFERENCE
VOLTAGE SWITCH
DOUT
MCLK
DADTI
XBCKI
LRCKI
DIN0
DIN1
4
3
-A
LD+3.3V
IC102
WAVEFORM
SHAPER
X1003
10MHz
10MHz
8
9
X1008
32kHz
32kHz
56
52
57
7
6
5
IC195
EEPROM
LD+3V
X171
90MHz
IOP
3
1
+5V
LD+3.3 V
+3.3V
REG
IC190
USB
SECTION
VC
VC
VC
15
14
TEMPI
TEMPR
E
F
MAIN
SECTION
D101
TEMP
SENSOR
IC181, Q181 182
OVER WRITE
HEAD DRIVE
PDOWN
PDOWN
17
S102(REFLECT
→
PROTECT)
Q1001
BUP+3.3V
1
3
IC1009
RESET
87 IOP
10
S-RST
11
(Page 49)
(Page 48)
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