Read Sony MDX-C670 / MDX-C670RDS (serv.man2) Service Manual online
MDX-C670/C670RDS
2. BLOCK DIAGRAMS
2-1. MD Section
2-1. MD Section
9
11
10
12
10
21
23
8
6
27
25
3
4
29
30
16
14
15
19
18
8
7
6
5
4
2
1
3
48
29
46
47
30
38
35
37
36
34
32
28
26
12
16
17
18
40
M
M
M
I
J
F
E
D
C
A
B
67
55
64
75
62
63
65
78
73
74
83
5
6
7
86
85
85
88
89
89
94
93
1
2
3
4
13
1
3
5
12
2
4
6
26
31
32
27
28
29
8
9
11
14
1
3
5
13
2
4
6
12
52
54
62
55
16
27
26
25
24
1
6
18
15
17
66
10
21
30
46
48
49
50
57
60
61
67
65
6
5
8
7
7
4
5
9
12
92
91
10
39
45
51
64
59
63
11
56
6
7
4
5
1
7
+
–
VC
VC
I
J
A
B
C
D
E
F
ILCC
LD GND
VR
RM
T+
T-
F+
F-
16
15
19
17
18
18
13
12
11
14
14
9
8
7
6
1
2
3
4
LD
PD
TRACKING
COIL
FOCUS
COIL
APC
Q302
APC
F
E
D
C
B
A
J
I
VC
PD
MDRFO
ADFM
RFO
MDRFI
ADIN
AGCI
RF
ABCD
PEAK
BOTM
FE
ADFG
SE
TE
APCREF
SWDT
SCLK
XLAT
OUT3F
OUT3R
OUT1F
OUT1R
OUT3R
OUT1F
OUT1R
OUT4R
OUT4F
OUT4F
OUT2F
OUT2R
IN3F
IN3R
IN1F
IN1R
IN4F
IN2F
IN4R
IN2R
PSB
CN103
1
2
3
4
SP-
SP+
SL-
SL+
CN901
11
10
9
8
M901
(SPINDLE)
M903
(LOADING)
M902
(SLED)
S903
(LIMIT)
S902
S901
7
6
2
3 4 5
C-SW
GND
E-SW
IN-LIMIT
7
8
9
10
LO+
LO-
5
6
RF AMP
IC302
DSSP/DSP
IC301
PEAK HOLD
Q301
1
2
4
LASER APC SWITCH
IC306
SLED/SPINDLE
MOTOR DRIVE,
FOCUS/TRACKING
COIL DRIVE
IC303
SERVO BOARD
SENSOR BOARD
SENSOR
FLEXIBLE BOARD
FLEXIBLE BOARD
OPTICAL PICK-UP
(KMS-241A)
OSC
IC304
IC304
X301
LEVEL SHIFT
IC502
22.5792MHz
VC
RFI
ABCD
AUX2
PEAK
BOTM
FE
ADFG
SE
TE
APCREF
SWDT
SCLK
XLAT
DADT
LRCK
XBCK
FS256
TFDR
TRDR
FFDR
FRDR
SPFD
SPRD
SFDR
SRDR
XRST
OSCI
XINT
SQSY
SENS
SRDT
MNT3
MNT2
MNT1
MNT0
LEVEL SHIFT
IC503
X501
10MHz
TH501
CC-XINT
SQSY
SENS
MD-SI
MNT3
MNT2
MNT1
MNT0
EXTAL
XTAL
TEMP
MD-SO
MD-CKO
MD-LAT
MD-RST
C-SW
E-SW
LIMIT-IN
LIMIT-IN
LOAD
EJECT
DEEMP
MDMON
LOCK
RESET
LINKOFF
UNICKI
UNISI
UNISD
EJT-KEY
BU-IN
BUS-ON
A-MUTE
MD-ON
MD MECHANISM
CONTROLER
IC501
LOADING MOTOR
DRIVE
OUT1
OUT2
FIN
RIN
IC305
+B SW
Q402
MD ON SW
Q403
+3.4V REG
Q401
REG CONTROL
IC401
IC401
+3.4V
11
MD-ON
20
LO 12V
28
5V
5V 27
+5V
9
MUTE
1
BUS ON
7
B/U CHECK
10
EJECT
3
DATA OUT
2
DATA IN
4
CLK IN
6
LINK OFF
5
SYS-RESET
8
LOCK
12
MECHA-ON
19
R-CH
17
L-CH
CN101
MAIN BOARD
CN651
CN651
DATA
LRCK
BCK
XTI
DM1
RSTB
MUTE
ZERO
VOUTL
VOUTR
D/A CONVERTER
IC101
7
1 2
6
5
3
+3.4V
•
SIGNAL PATH
: MD
– 7 –
– 8 –
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