17 Block Diagram
17.1. CD Servo Diagram
SA-
AK450P/PC 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-AK450P / SA-AK450PC
57
Summary of Contents for SA-AK450P
Page 8: ...8 SA AK450P SA AK450PC ...
Page 13: ...13 SA AK450P SA AK450PC ...
Page 16: ...With reference to page 13 of the operating instruction manual 16 SA AK450P SA AK450PC ...
Page 18: ...With reference to page 17 of the operating instruction manual 18 SA AK450P SA AK450PC ...
Page 29: ...10 3 Main Parts Location 29 SA AK450P SA AK450PC ...
Page 40: ...10 16 1 Replacement of Pinch Roller and Head Block 40 SA AK450P SA AK450PC ...
Page 47: ...12 4 Checking and Repairing of Power P C B 47 SA AK450P SA AK450PC ...
Page 49: ...Fig 7 49 SA AK450P SA AK450PC ...
Page 53: ...15 3 Main P C B 15 4 Panel P C B 53 SA AK450P SA AK450PC ...
Page 54: ...15 5 Power P C B Transformer P C B 15 6 XM P C B 54 SA AK450P SA AK450PC ...
Page 55: ...15 7 Waveform Chart 55 SA AK450P SA AK450PC ...
Page 64: ...SA AK450P SA AK450PC 64 ...
Page 66: ...66 SA AK450P SA AK450PC ...
Page 86: ...SA AK450P SA AK450PC 86 ...
Page 91: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK450P SA AK450PC 91 ...
Page 92: ...SA AK450P SA AK450PC 92 ...
Page 93: ...23 2 Deck Mechanism Parts Locations RAA4403 S SA AK450P SA AK450PC 93 ...