Read Sony SCD-XE670 Service Manual online
SCD-XE670
26
26
MUTE LOAD
DETECTOR
1
63
3
4
5
6
9
10
11
12
14
15
16
13
18
17
61
62
53
52
54
55
59
60
DVDRFP
RFSIN
A2
B2
C2
D2
CD E
CD F
A
B
C
D
A
B
C
D
A
B
C
C
D
CD A
CD B
CD C
CD C
CD D
CDLD
CDPD
DVDLD
DVDPD
MUX
ATT
ATOP
ATON
FNP
FNN
INPUT
BIAS,
AGC
PROGRAMMABLE
EQ FILTER
DIFFERENTIATOR
AIP
AIN
DIP
DIN
SUMMING AMP
IC004 (1/4)
SUMMING AMP
IC004 (2/4)
GCA
MUX
DUAL
APC
GCA,
EQ
GCA
L. P. F.
+
–
–
PHASE
DETECTOR
COMPARATOR
MUX
+
–
–
+
–
–
+
+
+
+
+
+
+
+
+
+
–
–
CLAMP&
ENVELOPE
LEVEL DAC
GCA
SUB
GCA
SEL
L. P. F.
L. P. F.
L. P. F.
OFFSET
CANCEL
GCA
MUX
OFFSET
CANCEL
OFFSET
CANCEL
BOTTOM
ENVELOPE
INPUT
BUFFER
PEAK/
BOTTOM
HOLD
SERIAL
PORT
REGISTER
57
27
31
32
38
40
39
47
46
48
PI ERROR AMP
IC004 (3/4)
FULL WAVE
RECTIFER
AGC
CHARGE PUMP
AVC BUFFER
IC004 (4/4)
AVC
(+1.65V)
A+3.3V
DRVC BUFFER
IC503
DRVC
(+2.5V)
D+5V
VC
(+2.5V)
VC
AGCO
SACD/CD RF AMP,
FOCUS/TRACKING ERROR AMP
IC001
OPTICAL PICK-UP
BLOCK
(KHM-230AAA)
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR SACD)
2AXIS
DEVICE
FOCUS/
FOCUS/
TRACKING
COIL
22
24
21
23
12
5
11
6
9
AUTOMATIC POWER
CONTROL (FOR SACD)
Q001
AUTOMATIC POWER
CONTROL (FOR CD)
Q003
MODULE
CIRCUIT B+
FOCUS COIL
DRIVE
14
2
13
3
TRACKING COIL
DRIVE
17
24
18
23
33
34
20
22
21
19
8
40 41 39 43
31
32
29
30
20
SLED MOTOR
DRIVE
FOCUS/TRACKING COIL DRIVER,
SLED MOTOR DRIVER
IC502
M
M
M2
(SLED)
8
9
SPINDLE MOTOR
DRIVE
M
M
M3
(SPINDLE)
6
5
LOADING MOTOR
DRIVE
M
M
M151
(LOADING)
16
17
13
FOCUS/TRACKING/SLED
PWM GENERATOR
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
SERVO
INTERFACE
SERVO AUTO
SEQUENCER
A/D
CONVERTER
FOCUS
TRACKING/SLED
SERVO DSP
DFCT, FOK
DETECTOR
26
SE
TE
FE
RFDC
TE
FE
PI
26
DIGITAL SERVO
PROCESSOR
IC509 (1/2)
TO CPU INTERFACE
D+3.3V
S1
(LIMIT)
MIRR
FOK
DFCT
COUT
SCLK
SSTP
STBY1
STBY2
RF
A
B
C
D
E
F
G
H
CD LD
CD PD
DVD LD
DVD PD
VMOD
FCS+
FCS–
TRK+
TRK–
D
C
B
A
AGCO
RFAC
MIRR
MIN
MEVO
PI
FE
TE
SDATA
SCLK
SDEN
LDON
LOAD OUT
LOAD IN
MUTE 2D
SPDA
FJMP1
FJMP2
• SIGNAL PATH
: SACD PLAY
: CD PLAY
1
RFAC
(Page 27)
2
TE, FE
(Page 28)
3
SDATA, SCLK, SDEN
(Page 28)
4
LDON
(Page 27)
5
VMOD
(Page 28)
8
SPDA, FJMP1/2
(Page 27)
9
SPIN
(Page 27)
10
MUTE 2D, SP ON, MUTE LOAD
(Page 28)
11
LOAD IN/OUT
(Page 28)
6
FOK, MIRR,
COUT, SCLK
(Page 28)
B+ SWITCH
Q002, 005
A +5V
42
MNTR
FE
FE/PI
PI
FE
TE
SDATA
SCLK
SDEN
MIRR
FOK
COUT
SCLK
7
(Page 28)
LIM SW
BUFFER
BUFFER
2
SP ON
MUTE2
MUTE1
SPINDLE/LOADING MOTOR DRIVE
IC512
21
22
24
15
23
SECTION 5
DIAGRAMS
5-1.
BLOCK DIAGRAM – RF/SERVO Section –
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