Sony CDX-R3000 / CDX-R3000T Service Manual ▷ View online
17
CDX-R3000/R3000T
Pin No.
Pin Name
I/O
Pin Description
54
COL_SW
I
1 color/2 color select input (L: 1 color, H: 2 color) (Fixed at L in this set)
55 to 57
NCO
O
Not used. (Open)
58
PANEL_SW
I
Front panel detach detection input (L: with front panel, H: without front panel)
59
DIAG
I
Mode input from power amp IC.
60
VOLATT
O
Attenuator control output to electronic volume IC.
61
NOSE-SW
O
Not used. (Open)
62
NCO
O
Not used. (Open)
63
VSS2
—
Ground
64
TU-ATT
O
Tuner mute control output
65
NCO (TUNON)
O
Not used. (Open)
66
NS_MASK
O
Noise mask output (CDX-R3000)
67
EEP_CKO
O
Serial clock output to EEPROM communication.
68
EEP_SIO
I/O
Serial data input/output with EEPROM communication.
69
DOOR-IND
O
Not used. (Open)
70
AMPSTB
O
Standby control output to power amp IC.
71
NCO
O
Not used. (Open)
72
LCDSO/FLS_SO
O
Serial data output to LCD driver IC.
73
LCDCE/FLS_SI
O
Chip enable output to LCD driver IC.
74
LCDCKO
O
Serial clock output to LCD driver IC.
75 to 78
NCO
O
Not used. (Open)
79
I2C_SIO
I/O
I2C bus serial data input/output
80
NCO
O
Not used. (Open)
81
I2C_CKO
O
I2C bus serial clock output
82
DAVN
I
RDS data block synchronization detection input (CDX-R3000)
83
SIRCS
I
SIRCS signal input
84
NCO
O
Not used. (Open)
85
BEEP
O
Beep output to power amp IC.
86 to 88
NCO
O
Not used. (Open)
89
VDD3
—
Power supply pin (+3.3 V)
90
NCO
O
Not used. (Open)
91
VSS3
—
Ground
92
QUALITY
I
Noise detection input (CDX-R3000)
93
VSM
I
S-meter voltage detection input
94, 95
KEYIN1, 0
I
Key input 1, 0
96
RCIN0
I
Rotary commander key input
97 to 99
NCO
O
Not used. (Open)
100
VREF+
—
A/D converter power supply (+) pin (+3.3 V)
18
CDX-R3000/R3000T
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM (CDX-R3000T) or MW (CDX-R3000)
J
: CD
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
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)
(Side A)
parts face are indicated.
32.768kHz
IC501
qh
(XOUT)
— Main Board —
2
3
27MHz
IC501
qs
(OSCOUT)
2.2Vp-p
1.6Vp-p
1
8.664MHz
IC51
q;
(XTO)
2.1Vp-p
• Waveforms
— Servo Board —
— Servo Board —
(MODE: CD PLAY)
Ver. 1.1
IC1
uj
(AGCI)
1
2
0V
0.85V to
1.45Vp-p
1.45Vp-p
16.9344MHz
IC1
wd
(XTAL)
0V
3
Approx. 620mVp-p
IC1
od
(FEO)
4
Approx. 200mVp-p
IC1
oh
(TEO)
1.2Vp-p
19
19
CDX-R3000/R3000T
82
83
84
85
20
16
D/A
CONV
TRACKING
ERROR
FORCUS
ERROR
1
OSC
EFM
DEMOD
SERVO
CTL
RF
EQ
EQ
13
12
11
10
9
8
6
44
45
49
48
33
34
35
41
40
39
38
I/F
87
86
2
1
LD
DRIVE
Q1
FOCUS
COIL
DRIVE
TRACKING
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
LOADING
MOTOR
DRIVE
28
12
11
13
14
15
16
17
18
9
10
5
47
46
19
M902
(SLED)
M901
(SPINDLE)
M903
(LOADING)
SW4
(LIMIT)
SW2
(SELF)
SW1
(DOWN)
SW3
(DISC IN)
X1
16.9344MHz
OPTICAL PICK-UP
(KSS1000E)
I-V
CONV.
CDL
CDR
CDR
CD_STB
CD_A0
CD_SO
CD_SI
CD_SCK
CD_RST
30
43 CD_MUTE-L
29
42 CD_MUTE-R
CD_RFOK
CD_INSW
CD_LIMIT
CD_SELFSW
CD_DSW
CD_LM_LO
CD_LM_EJ
TUNER
SECTION
A
23
24
M
M
M
IC602
3.3V
LOUT
ROUT
SI
7
32 CD_INTQ
INTQ
RFOK
LMUTE
RMUTE
SO
SCK
STB
A0
RST
RESET
PD
LD
A
C
B
D
E
F
PD
LD
LD AMP
FOCUS
COIL
TRACKING
COIL
FD+
FD+
FD-
TD+
TD-
SD+
SD-
MD+
MD-
FSC+
FSC-
TRK+
TRK-
SL-
SL+
SP-
SP+
LD-
LD+
LOAD
EJECT
SYSTEM CONTROL
IC501 (1/3)
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC1
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING MOTOR DRIVE
IC2
6
FD-
2
TD+
3
TD-
27
SD+
26
SD-
24
MD+
23
MD-
Signal path
: CD
A3.3V
AU3.3V
D3.3V
DR6V
SERVO 3.3V
MECH6V
+
-
+
-
+
-
1
S702
(RESET)
RESET
3
52 53 54 55 56 57 58 59
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 20)
20
20
CDX-R3000/R3000T
J1
(ANTENNA)
1 ANT
CDL
CDR
R-CH
3
R-CH
AUDIO 8.3V
TUNER UNIT
TU1
6
S-METER
14
TU-SDA
SYSTEM CONTROL
IC501 (2/3)
24
ACCIN 21
TELATT 23
AMPSTB 70
BEEP 85
CD
SECTION
A
3
11
CN601
1
9
FL+
FL-
2
10
RL+
RL-
4
12
13
7
FR+
FR-
15
RR+
RR-
TEST
ACC
ATT
16 +B (BATT)
8 GND
R-CH
F901
10A
TU_ATT
NC
BATT
17
19
18
BATT
EEP_CKO
67
VSM
3.3V
13
TU-SCL
ATT
BATT
59
TESTIN
DIAG
22
93
5
QUALITY
QUALITY
92
NS-MASK
66
VOLATT
60
DAVN
82
SOUND CONTROL
ELECTRONIC VOLUME
IC401
NC
BUS-LCH
5
CD-LCH
9
TV-LCH
7
SDA
SCL
MUTE
CONT.
EVR
29
I2C_SIO
I2C_CKO
79
81
17
E2P-SDA
16
E2P-SCL
8
MUTE-CONDITION
7
TU-MUTE
11
TU-VDD (TU5V)
10
VCC (8.3V)
68 EEP_SIO
64
TU_ATTIN
28
R-CH
9
RDS
16 MPX
9 XTI
10
1
7
XTO
12
SDA
25
29
AUDIO OUT REAR
-1
L
R
-2
R-CH
J330
5 ANP-R
27
35
37
34
33
31
30
6 ANT-R
BEEP
STB
4
SCL
2
SDA
CONT.
9
7
6
20
POWER AMP
IC750 (1/2)
MULTIPLE VOLTAGE
REGULATOR
IC750 (2/2)
VP2
VP1
VP1
• Signal path
: FM
: AM (CDX-R3000T) or MW (CDX-R3000)
: CD
• R-ch is omitted due to same as L-ch.
12
SYSRST
3.3V
37
BUSON 36
UNISI 5
UNICKO 6
UNISO 4
BUIN 31
4
L-CH
OUT
-FL
23
OUT
-RL
22
+5V REG.
Q1
BACK-UP CHECK/
LOW VOLTAGE
CHECK
Q581,582
OVER VOLTAGE
DET.
Q580,D580,581
LINE MUTE
CONTROL
Q478,479
TEL
ATT
ATT
Q651
I2C
BUS
ACC
CHECK
Q631
MUTE
Q441
NS MASK
SWITCH
Q22
MUTE
Q461
11
MUTE
TONE
INPUT SELECTOR
EFFECT
15
INTN
11
SCL
OUT-
SUB-L
17
MUTE
Q481
5
3
DIAG
AMP-REM
ANT-REM
B.UP+B
PANEL+B
MECH 6V
SERVO 3.3V
AUDIO 8.3V
3.3V
PANEL+B
MECH 6V
SERVO 3.3V
AUDIO 8.3V
SERVO 3.3V
AUDIO 8.3V
VP
D759
D760
MUTE
16
22
I2C
BUS
31
30
TU 5V REG
Q51,52
R3000
RDS DEMODULATOR
IC51
R3000
R3000
X51
8.664MHz
R3000
3-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 19)
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