Sony CDX-RA650 / CDX-RA700 / CDX-RA750 Service Manual ▷ View online
17
CDX-RA650/RA700/RA750
2-13. DISPLAY SECTION
2-14. SPRING (M)
2
two screws
(+B P-TITE M2)
1
Raise the preset assy up in the arrowed direction.
Note for assembly
After installing to the front panel assy,
make sure the spring is not off from the dowel.
After installing to the front panel assy,
make sure the spring is not off from the dowel.
Note for assembly
After installing to the front panel assy,
make sure the spring is not off
from the dowel.
After installing to the front panel assy,
make sure the spring is not off
from the dowel.
5
display section
front panel assy
4
3
two screws
(+B P-TITE M2)
1
spring (M)
2
spring (M)
3
bracket (display)
18
CDX-RA650/RA700/RA750
2-15. SPRING (S)
4
spring (S)
spring (S)
spring (S)
dowel
dowel
5
spring (S)
2
Take off the spring from
the dowel on preset assy side.
3
Take off the spring from
the dowel on preset assy side.
preset assy
Make sure the spring is not off from the dowel.
Make sure the spring
is not off from the dowel.
is not off from the dowel.
preset assy
display (SV) assy
display (SV) assy
Put preset assy back
in the arrowed direction.
in the arrowed direction.
display (SV) assy
Note for assembly
1
Raise the preset assy
up in the arrowed direction.
19
19
CDX-RA650/RA700/RA750
CDX-RA650/RA700/RA750
3-1. BLOCK DIAGRAM — CD SECTION —
SECTION 3
DIAGRAMS
(Page 20)
(Page 20)
(Page 21)
89
RFO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
83
RFEQO
3
RFRP
6
TEI
81 RFI
82 RFRPI
82 RFRPI
2 RFZI
7 TEZI
9 F0O
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
88 AGCI
94
96
95
97
100
98
TNI
FPI1
FNI1
FPI2
FNI2
TPI
91 LDO
92
MDI
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Signal Path
: CD PLAY
LASER DIODE
M
M
M
18
17
VO3–
VO3+
14
13
VO1+
VO1–
12
11 VO2–
VO2+
10
9
VOL+
VOL–
FWD
REV
1
28
OPIN4– 26
OPOUT4 25
10 TRO
OPIN3– 23
OPOUT3 22
12 FMO
OPOUT1 4
13 DMO
OPOUT2 7
MUTE 21
16
15
VO4–
VO4+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
51
PIO3
48
PIO0
36
MSTBY
58
ZDET
37
/RST
43
/CCE
42
BUCK
41
BUS3
CD-L
MAIN
SECTION
A
30
LO
27
RO
R-CH
27 DEC SSTBY
15 CD ZDET
15 CD ZDET
14 CD XRST
13 CD XCCE
53 MEC_SELFSW
45 MEC_INSW
42 MEC_LIMIT
12 CD BUCK
11 CD BUS3
40
BUS2
10 CD BUS2
39
BUS1
8
CD BUS1
38
BUS0
7
CD BUS0
81 X1
80 X0
MEC LOAD
43
DRVON
6
MEC EJECT
44
CD
SYSTEM CONTROL
IC3
+1.5V REG
IC6
SYSTEM CONTROL
IC501 (1/3)
37 DEC XMUTE
30 DEC INT
SW2
(SELF)
46 MEC_DSW
SW1
(DOWN)
SW3
(DISC IN)
SW4
(LIMIT)
56
UNISI
25
RXD
57
UNISO
58
UNICKI
50
BUS ON
51
BU IN
75
RSTX
61
EJECT OK
67
MECON CHK
1
CDON
1500MV
63
MECON
64
CDON
66
ZMUTE
60
A ATT
26
TXD
PD1
E
F
LD
MON OUT
FCS+
FCS–
TRK+
TRK–
PD2
AUTOMATIC
POWER
CONTROL
Q21
+1.5V ON/OFF
SWITCH
Q2,3
• R-ch is omitted due to same as L-ch.
24
23
X2
16.9344MHz
X1
12MHz
XI
XO
DISPLAY
SECTION
C
MAIN
SECTION
B
EJECT OK SW
UNI SI
UNI SO
59
LINK OFF
LINK OFF
ATT
UNI CLK
BUS ON
B/U CHECK
SYS RST
89
CD ON
VOUT
91
CDM ON
92
62
OPEN REQ
OPEN REQ
78
Z MUTE
MECHA+6V
93
68
CDON CHK
1
5
VDD
3
CE
D+3.3V
+1.5V
+1.5V
BU+3.3V
20
20
CDX-RA650/RA700/RA750
CDX-RA650/RA700/RA750
3-2. BLOCK DIAGRAM — MAIN SECTION —
(Page 19)
(Page 21)
(Page 19)
(Page 21)
1 ANT
7 SE2L
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
TU1
(TUNER UNIT)
IC2-BUS CONTROLLED POWER AMP
/MULTIPLE VOLTAGE REGULATOR
IC300
SYSTEM CONTROL
IC501 (2/3)
CN300
8 SE2R
25 SAIN
26 SAOUT
BATT
9 SE1L
10 SE1R
11 DIFFL
13 DIFFR
R-CH
4
3
3
10
VCC+8.3V
11
VDD+5V
15
E2P VDD
13
TU-SCL
14
TU-SDA
6
S-METER
7
TU MUTE
16
E2P SCL
17
E2P SDA
39 VSM
17 AUX IN
45 SA CLK
44 SA IN
AUDIO+8.3V
TU+5V
BU+3.3V
BU+3.3V
RA650
12 TU ATT
25 E2P CKO
24 E2P SIO
24 E2P SIO
8
MUTE CONDITION
5
QUALITY
RDS OUT
53 TU ATT IN
38
38
13
QUALITY
NS MASK
DAVN
RDS ON
L-CH
R-CH
AUX
SELECT
SWITCH
Q351
R-CH
19
18
18
OUTLR1
16
OUTLR2
OUTRR1
R-CH
CN410
L
R
5
3
3
OUT FL+
OUT FL–
9
7
7
OUT RL+
OUT RL–
29
35
27
AMP-REM
R-CH
ANT-REM
BATT
20
6
30
37
37
AUDIO+B
B.U+B
VP
VP1
VP2
31
33
33
SERVO3.3V
MECHA6V
34
PANEL+B
TU+5V
21
MUTE
2 SDA
AUDIO+8.3V
BU+5V
SERVO+3.3V
MECHA+6V
MECHA+6V
PANEL+B
4 SCL
SDA
SCL
16 BEEP
22 STB
25 DIAG
25 DIAG
AUDIO+8.3V
15
7
10
12
11
16
1
9
2
4
3
5
6
22
23
23
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
SDA
33
I2C CKO
34
I2C SIO
9
VOL ATT
86
ATT
7
BEEP
26
AMP STB
8
DIAG
73
30
UNISO
RESET
BUS ON
UNICLK
UNISI
B/U CHECK
LINK OFF
ATT
56
TEST IN
11 IN RL
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
AMP-REM
ANT-REM
ACC
TEST
12 IN FL
MUTE
Q452
MUTE DRIVE
Q491,492
NS MASK
CONTROL
Q1
RDS DEMODULATOR
IC50
72
74
ACC IN
TEL ATT
ACCESSORY
CHECK
Q702
BUS ON
SWITCH
Q601
LINK
SWITCH
Q600
TU+5V REG
Q3
BU+3.3V
BU+5V
+3.3V REG
IC681
ILLUMINATION CHECK
Q703
13
TEL-MUTE
14
ILL
D491
D493
F901
L
1
2
3
R
3
6
5
4
3
1
2
8
7
BATT
BATT
BATT
6
DATA I/O
4
CLK
2
RST
1
BUS ON
BATTERY CHECK
Q605
BUS INTERFACE
IC601
D602
CNJ400
TH400
BUS
CONTROL
IN
CD
SECTION
B
D609
11
12
9
10
16
1
7
XTI
SCL
SCL
BU+3.3V
SDA
SDA
INTN
XTO
MPX
VDDA
VDDD
TEL ATTENATION
CHECK
Q701
RDS POWER
CONTROL
Q50
9
15
X50
8.664MHz
R-CH
20
17
17
OUTLF
OUTRF
R-CH
L
R
MUTE
Q440
MUTE
Q352
REAR
FRONT
54
BU IN
58
UNISI
59
UNISO
60
UNISCK
87
BUSON
R-CH
75
ILLIN
RST
13
BUS IN
12
CLK IN
11
DATA OUT
8
B/U-C
10
DATA IN
9
DISPLAY
SECTION
D
CD-L
CD
SECTION
A
BU IN
DISPLAY
SECTION
E
AUDIO
OUT
SUB OUT
(MONO)
J652
(2/2)
(2/2)
R-CH
L
R
BUS
AUDIO
IN
J652 (1/2)
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: AUX
: AM/MW/LW
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