CDX-R5715X/R5810/R6750
SERVICE MANUAL
Ver. 1.1 2005.07
Photo: CDX-R6750
• The tuner and CD sections have no adjustments.
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
23.2 watts per channel minimum continuous average power into
4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more
than 5% total harmonic distortion.
SPECIFICATIONS
CD player section
Signal-to-noise ratio 120 dB
Frequency response 10 – 20,000 Hz
Wow and flutter Below measurable limit
Tuner section
FM
Tuning range CDX-R5715X:
87.5 – 107.9 MHz
CDX-R5810:
87.5 – 108.0 MHz (at 50 kHz step)
87.5 – 107.9 MHz (at 200 kHz step)
CDX-R6750:
87.5 – 108 MHz
FM tuning interval 50 kHz/200 kHz switchable
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Usable sensitivity 9 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 67 dB (stereo),
69 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo),
0.3% (mono)
Separation 35 dB at 1 kHz
Frequency response 30 – 15,000 Hz
AM (CDX-R5715X)
Tuning range 530 – 1,710 kHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity 30 µV
Model Name Using Similar Mechanism CDX-R5515X/R5610/R6550
CD Drive Mechanism Type MG-611TA-186//K
Optical Pick-up Name KSS1000E
US Model
Canadian Model
CDX-R5715X
AEP Model
UK Model
CDX-R6750
E Model
CDX-R5810
AM (CDX-R5810)
Tuning range 531 – 1,602 kHz (at 9 kHz step)
530 – 1,710 kHz (at 10 kHz step)
AM tuning interval 9 kHz/10 kHz switchable
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity 30 µV
MW/LW (CDX-R6750)
Tuning range MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity MW: 30 µV
LW: 40 µV
Power amplifier section
Outputs Speaker outputs
(sure seal connectors)
Speaker impedance 4 – 8 ohms
Maximum power output 52 W × 4 (at 4 ohms)
– Continued on next page –
FM/AM COMPACT DISC PLAYER
CDX-R5715X/R5810
9-879-544-02
2005G04-1
© 2005.07
FM/MW/LW COMPACT DISC PLAYER
CDX-R6750
Sony Corporation
e Vehicle Group
Published by Sony Engineering Corporation
1
SECTION 3
DIAGRAMS
3-1. BLOCK DIAGRAM — CD SECTION —
DETECTOR
PD2
PD1
E
F
LASER DIODE
PICK-UP BLOCK
(KSS1000E)
2-AXIS DEVICE
(FOCUS)
(TRACKING)
PD LD
OPTICAL
PD2
PD1
I-V AMP
MON OUT
FCS+
FCS–
TRK+
TRK–
LD+
RFEQO
FPI2
96
FNI2
94
FPI1
97
FNI1
95
E
F
LD DRIVE
Q1
M902
M
(SLED)
99
98
91
FOCUS/TRACKING COIL DRIVE,
16
15
18
17
14
13
RFRP
TNI
TPI
LDO
SLED/SPINDLE/LOADING
MOTOR DRIVE
VO4–
VO4+
VO3–
VO3+
VO1+
VO1–
MDI
IC1
CDX-R5715X/R5810/R6750
• R-ch is omitted due to same as L-ch.
• Signal Path
: CD PLAY
RFO
79
3
TEI
6
92
OPIN4–
OPOUT4
OPIN3–
OPOUT3
OPOUT1
MUTE
RFI
77
RFRPI
78
RFZI
1
TEZI
7
26
25
23
22
4
21
87
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
AGCI
85
RFDCI
86
F0O
9
TRO
10
IO0(/HSO)
46
FMO
12
IO1(/UHSO)
47
MUTE
REQ
STBY
ZDET
/RST
/CCE
BUCK
BUS3
BUS2
BUS1
BUS0
SBSY
ATT
UNI SI
UNI SO
UNI CLK
BUS ON
B/U CHECK
LINK OFF
SYS RST
IC501 (1/3)
VDD
CE
CD-L
15
3
30
LO
27
RO
XI
XO
R-CH
60
A ATT
UNISI
56
RXD
25
UNISO
57
TXD
26
UNICKI
58
BUS ON
DEC XMUTE
56
53
43
18
42
41
40
39
38
37
36
14
23
24
X2
16.9344MHz
SW1
(DOWN)
SW2
(SELF)
SW3
(DISC IN)
X1
12MHz
37
DEC INT
30
DEC SSTBY
27
CD ZDET
15
CD XRST
14
CD XCCE
13
CD BUCK
12
CD BUS3
11
CD BUS2
10
CD BUS1
8
CD BUS0
7
CD SBSY
52
X1
81
X0
80
MEC_DSW
46
MEC_SELFSW
53
MEC_INSW
45
CD
SYSTEM CONTROL
IC3
MECON CHK
BU IN
LINK OFF
RSTX
EJECT OK
MECON
CDON
ZMUTE
CDON CHK
1.5V ON
50
51
59
75
61
63
64
66
67
68
1
DEC+1.5V
MECHA+6V
SERVO+3.3V
+1.5V ON/OFF
SWITCH
Q2,3
+1.5V
SYSTEM CONTROL
EJECT OK SW
89
CDM ON
99
CD ON
98
Z MUTE
93
+1.5V REG
IC6
VOUT
MAIN
A
SECTION
(Page 22)
MAIN
B
SECTION
(Page 22)
DISPLAY
C
SECTION
(Page 23)
BU+3.3V
CDX-R5715X/R5810/R6750
M901
(SPINDLE)
M903
(LOADING)
12
M
M
VO2+
11
VO2–
10
VOL+
9
VOL–
OPOUT2
FWD
REV
7
1
28
DMO
13
SW4
(LIMIT)
42
43
44
MEC_LIMIT
MEC LOAD
MEC EJECT
21 21
CDX-R5715X/R5810/R6750
3-2. BLOCK DIAGRAM — MAIN SECTION —
J1
(ANTENNA)
1
ANT
TU1
(TUNER UNIT)
VDD5V
E2P VDD
TU-SCL
TU-SDA
S-METER
TUN MUTE
E2P SCL
E2P SDA
MUTE CON
QUALITY
RDS OUT
L-CH
R-CH
VCC
10
11
15
13
14
16
17
4
3
6
7
8
5
9
AUDIO+8.3V
TU+5V
BU+3.3V
SCL
SDA
X50
8.664MHz
CD
SECTION
(Page 21)
J652 (3/3)
BUS IN
RDS DECODER
IC50
9
XTI SCL
10
XTO
16
MPX
VDDA VDDD
1 7
A
L
R
Q351
GND SW
SDA
INTN
CD-L
NS MASK
SW
Q1
11
12
15
SCL
SDA
R-CH
ELECTRONIC VOLUME
IC351
42
IN3L
43
IN3R
4
IN1L
7
40
41
16
14
45
44
17
39
12
25
24
53
38
13
56
30
IN1R
IN4L
IN4R
SA OUT
SA CLK
SA CLK
SA IN
AUX IN
VSM
TU ATT
EEP CKO
EEP SIO
TU ATT IN
QUALITY
NS MASK
DAVN
RDS ON
OUT SW
SYSTEM CONTROL
IC501 (2/3)
I2C CKO
VOL ATT
AMP STB
TEL ATT
OUT LF
OUT LR
OUT RF
OUT RR
MUTE
SCL
SDA
I2C SIO
ATT
BEEP
DIAG
ACC IN
TEST IN
ILLUMI
17
25
24
22
21
15
13
12
33
34
9
86
5
26
8
74
72
73
75
R-CH (FRONT)
R-CH (REAR)
SCL
SDA
SCL
SDA
MUTE
MUTE DRIVE
Q491,492
ILL CHECK
Q703
Q352
D493
R-CH
R-CH
MUTE
Q440
D491
TEL MUTE
Q701
L
R
L
R
L
R
MUTE
Q452
BATT
BATT
J652 (1/3)
FRONT
J652 (2/3)
(SUB OUT)
SDA
SCL
REAR
CN410
AUDIO OUT
12
IN FL
11
IN RL
2
SDA
4
SCL
16
BEEP
22
STB
25
DIAG
6
VP2
20
VP1
35
VP
POWER AMP,
POWER SUPPLY
IC300
AMP-REM
ANT-REM
AUDIO+B
SERVO3.3V
MECHA6V
PANEL+B
OUT FL+
OUT FL-
OUT RL+
OUT RL-
B.UP+B
29
27
30
37
31
33
34
5
3
9
7
R-CH
BATT
AUDIO+8.3V
BU+5V
SERVO+3.3V
MECHA+6V
PANEL+B
ACC CHECK
Q702
F901
CN300
10
12
11
16
13
15
14
1
FL+
9
FL-
2
RL+
RL-
4
FR+
FR-
3
RR+
RR-
5
AMP-REM
6
ANT-REM
TEL-ATT
7
ACC
TEST
ILL
CDX-R5715X/R5810/R6750
R6750 ONLY
CD
SECTION
(Page 21)
RDS POWER
CONTROL
Q50
ATT
B
BU+3.3V
• R-CH is omitted due to same as L-CH.
• Signal Path
: CD PLAY
: FM
: MW/LW
TU+5V
BU+3.3V
+5V REG
Q3
IC681
+3.3V
3 2
REG
AUDIO+8.3V
BU+5V
2222
3-3. BLOCK DIAGRAM — DISPLAY SECTION —
LSW901,903-913,
J370
(REMOTE IN)
KEY MATRIX
918-921
S902,914-918
D501 (1/2)
KEY ACK ON
D501 (2/2)
Q664
41
40
52
76
43
71
KEYIN0
KEYIN1
KEY ACK
XKEY ON
RC IN0
RC IN1
SYSTEM CONTROL
IC501 (3/3)
FL DA
FL CLK
FL CE
CDX-R5715X/R5810/R6750
FLUORSCENT INDICATOR TUBE
28
29
27
FL+45V
FL+4.3V
FL-1V
FL901
29
DA
CP
30
CS
31
VH
35
1
F+
F+
2
F-
47
F-
48
BATT
CNJ400
BUS CONTROL
()
IN
7
1
2
3
8
CLK
4
DATA I/O
6
BUS ON
1
RST
2
SECTION
(Page 21)
BUS INTERFACE
IC601
CD
C
B/U CHECKBATT
DATA OUT
BUS ON IN
LINK OFF
B/U CHECK
UNI CLK
UNI SI
UNI SO
BUS ON
SYS RST
BU+3.3V
CLK IN
DATA IN
RST
103
11
8
9
12
13
RESET
IC602
2 1
VDD VOUT
D609
KEY BOARD
D353
X502
32.678kHz
S103
RESET
54
60
58
59
87
7
88
77
79
80
BU IN
UNI CKO
UNI SI
UNI SO
BUS ON
NOSE SW
SYS RST
RESET
XIN
XOUT
AREA SEL0
SYNCHRO SW
FL ON
FSW OUT
SIRCS
FSW IN
OSC IN
OSC OUT
BU+3.3V
3
S501
FREQUENCY
()
SELECT
R5810 ONLY
70
(DOOR OPEN)
19
18
IR RECEIVER
IC972
64
46
83
82
OUT
2
X501
18.432MHz
10k
9k
S961
FL+3.3V
r
LED961
LSW901
IR
PANEL+B
BATT
Q622,626
POWER
CONTROL
Q624,625
CONTROL
Q605
BATT
CHECK
4
5
6
Q600,601
BUS ON
CONTROL
FSW
IC971
+3.3V
3 4
REG
8
CONVERTER
5
IC620
DC-DC
PANEL+B
LED902,914-918
LSW918-921
4
1
T620
BATT FL+4.3V
Q620
ON/OFF
DRIVE
Q621,627
PROTECTION
D624
D622
FL–1V
FL+45V
CDX-R5715X/R5810/R6750
23 23
CDX-R5715X/R5810/R6750
SENSOR board
KEY board
DISPLAY board
PRESET board
• WAVEFORMS
— SERVO BOARD —
(CD PLAY)
1
IC2 4 (FEI)
0 V
Approx. 100 mVp-p
50 mV/DIV, 5 msec/DIV
4
IC2 uj (RFI)
0.5 V/DIV, 0.5 µsec/DIV
SERVO board
Approx.
1Vp-p
tuner uni
(TU1)
MAIN board
7
IC3 ia (X1)
12 MHz
0.5 V/DIV, 0.2 µsec/DIV
1.1 Vp-p
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS3-4. CIRCUIT BOARDS LOCATION
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
f
•
• C : panel designation.
Note:
The components identified by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
•Voltages and wavefor ms are dc with respect to ground
• CD mechanism section (1/2), (2/2)
no mark : CD PLAY
• Main (1/2), (2/2), Key and Display sections
no mark : FM
: internal component.
under no-signal (detuned) conditions.
(): AM/MW/LW
<>: CD PLAY
4
W or less unless otherwise
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
∗ : Impossible to measure
•Voltages are taken with a V OM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production tolerances.
•Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J : CD PLAY
F : FM
f : AM/MW/LW
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
a
•
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B) pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A) parts face are indicated.
: Through hole.
C
Q
These are omitted
EB
E
CB
These are omitted
C
BE
These are omitted
2
IC2 6 (TEI)
Approx. 400 mVp-p
200 mV/DIV, 5 msec/DIV
3
IC2 wd (XI)
0.6 Vp-p
16.9344 MHz
0.2 V/DIV, 0.2 µsec/DIV
CDX-R5715X/R5810/R6750
0 V
5
IC2 of (FNI2),
µ
0.5 V/DIV, 0.5
6
IC2 oh (FPI2),
0.5 V/DIV, 0.5 µsec/DIV
sec/DIV
og (FNI1)
1.5 Vp-p
oj (FPI1)
1.5 Vp-p
— MAIN BOARD —
1
IC50 0 (XTO)
3.2 Vp-p
8.664 MHz
0.5 V/DIV, 0.2 µsec/DIV
2
IC501 i; (XOUT)
4.1 Vp-p
32.768 kHz
0.2 V/DIV, 20 µsec/DIV
3
IC501 is (OSCOUT)
18.432 MHz
0.5 V/DIV, 0.1 µsec/DIV
2.8 Vp-p
2424
3-5. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 24 for Circuit Boards Location. : Uses unleaded solder.
CDX-R5715X/R5810/R6750
A
B
C
D
E
F
G
1
FMA3
C22
R21
C102
C72
C80
C29
R84
C32
C20
R86
C65
R13
R73
IC6
R10
C35
Q3
Q2
C106
C64
234567891011 12 13 14
TP27
TP26
TP29
TP39
R71
R8
C9
C19
C67
R68
R122
R70
TP40
C51
C62
R69
R11
C57
R66
IC3
R65
TP53
R9
R56
R57
C41
R16
R58
R132
C39
R47
R101
C38
R40
C48
R48
R54
R42
TP51
IC1
C40
R17
R25
R50
R100
C45
R123
R12
TP30
R41
FB4
C43
TP48
TP37
TP38
C101
TP49
R43
C6
R26
FMA4
C103
C37
FB2
R120
C61
FMA6
FB3
C27
C34
R45
TP78
TP80
R51
C58
R28
R49
C60
TP44
TP23
TP93
R128
R64
X1
TP82
TP31
FMB3
TP22
TP14
R6
R7
TP18
R131
R113
(DOWN)
C7
SW1
R112
Q1
TP17
C10
R4
TP13
TP12
CN1
TP24
FMA5
TP16
C4
R1
TP88
C5
TP92
FMB5
TP2
TP1
TP9
TP8
TP11
R5
TP20
TP89
TP90
TP91
TP10
TP6
TP7
TP97
TP99
TP21
TP15
TP68
TP36
C33
CN2
TP42
TP35
TP95
X2
TP34
TP41
TP81
TP33
C42
R46
C59
TP43
TP74
TP77
TP79
TP83
TP85
C16
C49
R125
R63
TP101
TP76
R53
R127
R117
R67
R55
TP98
TP84
TP86
IC2
R62
TP87
C23
R126
R60
TP66
TP75
TP32
C17
R61
R91
R82
R2
C13
R78
R59
R118
TP62
R83
R81
R74
C18
C21
R72
R121
R116
C52
TP65
R3
TP25
C24
C53
R119
R77
C31
R22
TP47
R52
R90
C105
R23
R24
TP3
TP5
TP46
C47
TP67
TP4
R19
C36
TP64
C28
TP63
R44
FMB4
R80
SW3
SW2
X1
H
CDX-R5715X/R5810/R6750
1-864-900-
21
21
1-864-900-
A
MAIN BOARD CN350
(Page 29)
21
21
• Semiconductor
Location
Ref. No. Location
IC1 G-2
IC2 B-11
IC3 E-2
IC6 D-1
Q1 B-4
Q2 C-1
Q3 C-1
25 25
CDX-R5715X/R5810/R6750
• Refer to page 24 for Waveforms.
3-6. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 39 for IC Block Diagrams.
CN1
TP12
TP13
TP14
TP15
TP16
TP17
TP18
TP20
C35C32
C67
Q2
Q3
R86
R84
C72
C29
R21
R19
R22
C31
R23
R24
C36
R44
TP46
TP47
IC2
C47
C49
C52
R52
R125
R126
R127
R128
C102
R72
R71
C53
C60
R51
C58
C57
C48
C51
C62
R59
R60
R61
R62
R63
R64
R49
C59
R113
TP101
R131
C28
C24
TP25
C21
C13
C4
R1
R4
C18
C17
C19
C20
C10
R13
C22
TP93
C16
TP26
TP27
C23
TP29
TP30
IC B/D
IC6
C80
IC B/D
R123
C45
C101
R46R45
X2
FB4
FB3
C5
C27
R5
TP33
TP34
TP35
TP36
C33
R25
R26
TP41
TP42
R40
C42
R41
CDX-R5715X/R5810/R6750
R132
C7
Q1
TP21 TP22
C9
R6
R7
C34
C38
TP37
C39
TP38
C40
TP39
C41
TP40
C61
FB2
R112
(Page 27)
2626
• Refer to page 24 for Waveform.
• Refer to page 40 for IC Block Diagram.
3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 42 for IC Pin Description.
(Page 32)
CDX-R5715X/R5810/R6750
(Page 26)
SW3
SW2
SW4
SW1
M903
M901
M902
TP1
TP2
TP3
TP4
TP5
TP10
TP11
TP7
TP6
TP9
TP8
R100
R101
TP74
TP75
TP76
TP77
TP78
TP79
TP80
TP81
TP82
TP83
TP84
TP85
TP86
TP87
R70
C106
R122
R73
C64
R118
CN2
IC1
R3
R2
C6
IC B/D
TP88
TP89
TP90
TP91
TP92
TP97
TP98
TP99
R12
R10
R8
R11
R9
R16
TP23
TP24
TP31
TP32
R17
C37
R120
R28
R42
R43 C43
TP49
TP48
X1
C103
TP44
TP43
R47
R48
TP51
R50
TP53
R53
R54
R55
R56
R57
R58
R65
R67
R69
IC3
R66
R68
R117
R119
R116
TP62
R74
C65
TP63
TP64
C105
TP65
R81
R82
R83
R121
TP66
TP67
R77
R80
R78
R91
R90
CDX-R5715X/R5810/R6750
27 27