17 Block Diagram
17.1. CD Servo Diagram
SA-
AK750PL CD SERVO BLOCK DIAGRAM
TO MAIN
(2/2)
TO MAIN
(2/2)
TO MAIN
(1/2)
TO MAIN
(2/2)
TO MAIN
(1/2)
TO MAIN
(1/2)
CN7002 CN2801
3
20
CN7002 CN2801
7
CN7002 CN2801
5
18
CN7002 CN2801
8
CN7002 CN2801
6
CN7002 CN2801
12
CN7002 CN2801
4
16
15
17
11
19
CN7002 CN2801
21
CN7002 CN2801
2
CN7002 CN2801
19
2
21
4
B
VREF
VREF
VREF
M7302
SPINDLE
MOTOR
M7301
TRAVERSE
MOTOR
M
M
T-
T+
F+
F-
PHOTO DETECTOR
OPTICAL PICKUP
SEMICONDUCTOR
LASER
Q7601
LASER
POWER DRIVE
FOCUS COIL
TRACKING
COIL
B
B
B
B
B
A
B
F
E
MN6627954MA
SERVO PROCESSOR/
DIGITAL SIGNAL
PROCESSOR/
DIGITAL FILTER
D/A CONVERTER
IC7001
A, B, C, D, E, F
X7201
IC7002
BA5948FPE2
IN4
27
TRP
IN3
28
FOP
IN2
1
TRVP
IN1
3
SPOUT
PC2
2
VREF
26
D4-
18
D4+
17
D3-
16
D3+
15
D2+
14
D2-
13
D1+
12
D1-
11
PC1
4
PC
MUTE
[CH1]
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
[CH3]
[CH4]
[CH2]
[CH1]
MUTE
[CH2]
4 CH DRIVE
TRV+
TRV-
SP-
SP+
79
81
80
70
69 67 68
51 53 52 54
55
82
61
72
47
35~40
31
42
41
49
48
45
43
32
34
44
22
21
24
25
23
29
30
66
57
AVSS1
TX
SRVMON1
SRVMON0
NTEST
NRST
AVDD2
AVSS2
ARFFB
ARFF
ARFOUT
ARFDC
RFOUT
RFIN
CENV
CTRCRS
OSCIN
VREF
RFENV
PC
SPOUT
TRVP
TRP
FOP
LD
PD
A,B,C,D,E,F
NSRVMONON
REGON
MDATA
ARFIN
IREF
DSLF
PLLF
PLLFO
TXTCK
(SBCK)
PRAMVDD33
PRAMVSS33
D0~D15
A0~A11
BA0,BA1
TXTD
DQSY
(SUBC)
(TXNCLDCK)
BLKCK
FLAG
65
71
20
18
83~92,94~99
1~7,11~15
16,17
NWE,NCAS
8,9
63
64
62
NRAS,SDRCK
(LRCK)
(BCLK)
(SRDATA)
EXT0
EXT2
EXT1
10,100
(DVDD2)
76
MCLK
MLD
STAT
(PMCK)
(SMCK)
X2
X1
AVDD1
OUTR
OUTL
58
IOVDD1
77
IOVDD2
27
DRVDD
93
DVDD1
28
DVDD2
76
DVSS1
26
DVSS2
78
DVSS3
60
59 56
46
50
CMOS
RF
AMPLIFIER
TIMING
GENERATOR
[GEN]
SUBCODE
INTERFACE
[DEMECC]
1Mbit
DRAM
REGULATOR
EFM DEMODUALTION
SYNC INTERPOLATION
CIRC ECC
CDROM ECC
[DEMECC]
MICRO COMPUTER
INTERFACE
[MCIF]
DSL/PLL/VCO
[DSLPLL]
SPINDLE
CPU
[DSV]
SERVO
CPU
[DSV]
CIRC RAM
BUS CONTROL UNIT
[BCU]
MP3/WMA
DECORDER
FS
CONVERTER
[FSC]
SERIAL OUTPUT
INTERFACE
[DAO]
DIGITAL FILTER
1bitDAC
PWM LOGIC
[DF, MASH]
ANALOG
LOWPASS
FILTER
DIGITAL
OUT
OUTPUT
PORT
A/D
CONVERTER
MLD
MCLK
MDATA
STAT
3.3V
3.3V 3.3V 3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
S7201
LCH OUT
RCH OUT
REST
SWITCH
SA-AK750PL
57
Содержание SA-AK750PL
Страница 8: ...8 SA AK750PL ...
Страница 11: ...6 Accessories Remote Control FM Antenna Wire AC Cord AM Loop Antenna 11 SA AK750PL ...
Страница 13: ...13 SA AK750PL ...
Страница 15: ...With reference to page 15 of the operating instruction manual 15 SA AK750PL ...
Страница 16: ...With reference to page 16 of the operating instruction manual 16 SA AK750PL ...
Страница 27: ...10 3 Main Parts Location 27 SA AK750PL ...
Страница 39: ...10 17 1 Replacement of Pinch Roller and Head Block 39 SA AK750PL ...
Страница 40: ...10 17 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 40 SA AK750PL ...
Страница 46: ...12 4 Checking and Repairing of Power P C B 46 SA AK750PL ...
Страница 48: ...48 SA AK750PL ...
Страница 52: ...15 3 Power P C B Transformer P C B 15 4 Panel P C B 52 SA AK750PL ...
Страница 53: ...15 5 Main P C B 53 SA AK750PL ...
Страница 54: ...15 6 Deck P C B 15 7 Waveform Chart 54 SA AK750PL ...
Страница 56: ...56 SA AK750PL ...
Страница 64: ...SA AK750PL 64 ...
Страница 66: ...66 SA AK750PL ...
Страница 86: ...SA AK750PL 86 ...
Страница 91: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK750PL 91 ...
Страница 92: ...SA AK750PL 92 ...
Страница 93: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK750PL 93 ...
Страница 94: ...23 3 Packaging SA AK750PL 94 ...