Sony CDX-R3000N Service Manual ▷ View online
13
CDX-R3000N
Pin No.
Pin Name
I/O
Pin Description
50
LRCK
O
Not used. (Connect to LRCKIN in this set)
51
DVDD
—
Power supply pin (+3.3 V)
52
FD+
O
Focus servo drive PWM signal output (+)
53
FD–
O
Focus servo drive PWM signal output (–)
54
TD+
O
Tracking servo drive PWM signal output (+)
55
TD–
O
Tracking servo drive PWM signal output (–)
56
SD+
O
Sled servo drive PWM signal output (+)
57
SD–
O
Sled servo drive PWM signal output (–)
58
MD+
O
Spindle servo drive PWM signal output (+)
59
MD–
O
Spindle servo drive PWM signal output (–)
60
DGND
—
Ground
61
TESTEN
I
Test setting input (Fixed at L in this set)
62 to 66
TEST4 to TEST0
I
Test setting input (Fixed at L in this set)
67
ADGND
—
A/D converter power supply (–) pin
68
EFM
O
EFM signal output
69
ASY
I
EFM comparator reference voltage input
70
ADVDD
—
A/D converter power supply pin (+3.3 V)
71
RFI
I
RF signal input for EFM data growing.
72
EQ2
—
Not used. (Open)
73
EQ1
—
RF amplifier equalizer parts connection pin
74
RF–
I
Not used. (Open)
75
RF2–
I
RF amplifier inversion input
76
AGCO
O
RF signal output after on AGC.
77
AGCI
I
RF AGC signal amplifier input
78
RFO
O
RF signal output before on AGC.
79
ATEST
I
Not used. (Open)
80
C3T
—
Capacitor connection pin for 3T detection.
81
AGND
—
Ground
82
A
I
Signal input (A) from optical pick-up detector.
83
C
I
Signal input (C) from optical pick-up detector.
84
B
I
Signal input (B) from optical pick-up detector.
85
D
I
Signal input (D) from optical pick-up detector.
86
F
I
Signal input (F) from optical pick-up detector.
87
E
I
Signal input (E) from optical pick-up detector.
88
VREFIN
I
Reference voltage (+1.65 V) input
89
AVDD
—
Analog power supply pin (+3.3 V)
90
REFOUT
O
Reference voltage (+1.65 V) output
91
REFC
—
Capacitor connection pin for reference voltage output.
92
FE–
I
Focus error signal amplifier inversion input
93
FEO
O
Focus error signal amplifier output
94
ADCIN
I
Not used. (Open)
95
TE–
I
Tracking error signal amplifier inversion input
96
TEO
O
Tracking error signal amplifier before output
97
TE2
O
Tracking error signal amplifier after output
98
TEC
I
Tracking error signal comparator input
99
AGND
—
Ground
100
PWMSW
I
Not used. (Fixed at L in this set)
14
CDX-R3000N
• IC501 MN101E01KDD1 (SYSTEM CONTROL) (MAIN BOARD (2/2))
Pin No.
Pin Name
I/O
Pin Description
1
DAVDD
—
D/A converter power supply (+) pin (+3.3 V)
2
NCO
O
Not used. (Open)
3
DAVSS
—
D/A converter power supply (–) pin
4
UNISO
O
Not used. (Open)
5
UNISI
I
Not used. (Fixed at L in this set)
6
UNICKO
O
Not used. (Fixed at L in this set)
7
RETRA
I
Retractable CD door open/close detection switch input
(L: CD door open, H: CD door close)
8, 9
NCO
O
Not used. (Open)
10
VDD1
—
Power supply pin (+3.3 V)
11
MMOD
I
Not used. (Fixed at L in this set)
12
OSCOUT
O
Main clock output (27 MHz)
13
OSCIN
I
Main clock input (27 MHz)
14
VSS1
—
Ground
15
XIN
I
Sub clock input (32.768 kHz)
16
XOUT
O
Sub clock output (32.768 kHz)
17
VDD2
—
Power supply pin (+3.3 V)
18
MOD1
—
Not used. (Fixed at H in this set)
19
RESET
I
Microcomputer reset input
20
RCIN1
I
Rotary commander SHIFT key input
21
ACCIN
I
Accessory power supply detection input
22
TESTIN
I
Test mode detection input
23
TELATT
I
Not used. (Fixed at L in this set)
24
ATT
O
Audio mute control output
25
XKEYON
O
Key power supply control output
26
NCO
O
Not used. (Open)
27
KEYACK
I
Key acknowledge detection input
28
TU_ATTIN
I
Not used. (Fixed at L in this set)
29, 30
NCO
O
Not used. (Open)
31
BUIN
I
Backup power supply detection input
32
CD_INTQ
I
CD text pack synchronization signal input from CD servo IC.
33
CD_SO
O
Serial data output to CD servo IC.
34
CD_SI
I
Serial data input from CD servo IC.
35
CD_SCK
O
Serial clock output to CD servo IC.
36
BUSON
O
Not used. (Fixed at H in this set)
37
SYSRST
O
Not used. (Fixed at H in this set)
38
CD_RFOK
I
RFOK signal input from CD servo IC.
39
CD_RST
O
Reset signal output to CD servo IC.
40
CD_A0
O
Command/parameter discrimination signal output to CD servo IC.
41
CD_STB
O
Data strobe signal output to CD servo IC.
42
CD_MUTE-R
I
Mute zero cross detection input (R-ch) from CD mechanism deck.
43
CD_MUTE-L
I
Mute zero cross detection input (L-ch) from CD mechanism deck.
44
CD_INSW
I
Disc in switch detection input from CD mechanism deck.
45
CD_SELFSW
I
Self switch detection input from CD mechanism deck.
46
CD_LM_LO
O
Loading motor control output to CD mechanism deck. (Loading direction)
47
CD_LM_EJ
O
Loading motor control output to CD mechanism deck. (Eject direction)
48
CD_DSW
I
Down switch detection input from CD mechanism deck.
49
CD_LIMIT
I
Limit switch detection input from CD mechanism deck.
50
AMPATT
O
Not used. (Fixed at L in this set)
51
AREASEL2
O
Not used. (Open)
52
AREASEL1
O
Not used. (Open)
53
AREASEL0
I
Destination area initial setting input (Fixed at L in this set)
15
CDX-R3000N
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
Not used. (Open)
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
Not used. (Fixed at L in this set)
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
Not used. (Fixed at L in this set)
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)
16
CDX-R3000N
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. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
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
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
27MHz
IC501
qs
(OSCOUT)
2.2Vp-p
1.6Vp-p
1
Ver. 1.1
IC1
uj
(AGCI)
• Waveforms
— Servo Board —
— Servo Board —
(MODE: CD PLAY)
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
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