Sony CDX-R3350EE Service Manual ▷ View online
13
13
CDX-R3350EE
CDX-R3350EE
3-1. BLOCK DIAGRAM — CD SECTION —
79
RFO
RF AMP,DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC2
87
RFEQO
3
RFRP
6
TEI
85
RFI
86
RFRPI
1 RFZI
7 TEZI
9 F0O
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
77
AGCI
78
RFDCI
94
96
95
97
99
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
46 IO0(/HSO)
OPOUT3 22
12 FMO
OPOUT1 4
13 DMO
OPIN2 7
47 IO1(/UHSO)
MUTE 21
16
15
VO4–
VO4+
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC1
56
MUTE
53
REQ
43
STBY
18
ZDET
42
/RST
41
/CCE
40
BUCK
39
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
38
BUS2
10 CD BUS2
37
BUS1
8
CD BUS1
36
BUS0
7
CD BUS0
14
SBSY
52 CD SBSY
81 X1
80 X0
MEC LOAD
43
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
67
MECON CHK
1
1.5V ON
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
Q1
+1.5V ON/OFF
SWITCH
Q2,3
• R-ch is omitted due to same as L-ch.
24
23
X2
16.934MHz
X1
12MHz
XI
XO
MAIN
SECTION
B
UNI SI
UNI SO
ATT
UNI CLK
BUS ON
B/U CHECK
SYS RST
CD ON
VOUT
98
CDM ON
99
CD MUTE R
MECHA+6V
93
61
EJECT OK
EJECT OK SW
89
68
CDON CHK
1
5
VDD
3
CE
SERVO+3.3V
+1.5V
+1.5V
U COM+3.3V
(Page 14)
SECTION 3
DIAGRAMS
(Page 14)
14
14
CDX-R3350EE
CDX-R3350EE
1 ANT
7 TUNER LCH
ELECTRONIC VOLUME
IC401
J1
(ANTENNA)
TU1
(TUNER UNIT)
I2C BUS CONTROLLED POWER AMP/
MULTIPLE VOLTAGE REGULATOR
IC750
SYSTEM CONTROL
IC501 (2/3)
CN601
6 TUNER RCH
BATT
9 CD LCH
8 CD RCH
R-CH
4
3
3
10
VCC
11
TU VDD
15
E2P VDD
13
TU-SCL
14
TU-SDA
6
S-METER
7
TU MUTE
16
E2P SCL
17
E2P SDA
39 VSM
AUDIO+8.3V
TUNER+5V
BACKUP+3.3V
BACKUP+3.3V
12 TU ATT
25 EEP CKO
24 EEP SIO
24 EEP SIO
TUNER LCH
TUNER RCH
CD-L
R-CH
25
OUT FR
R-CH
24
OUT RR
R-CH
18
OUT SUB R
17
OUT SUB L
23
OUT FL
R-CH
L
R
5
3
3
OUT FL+
OUT FL–
9
7
7
OUT RL+
OUT RL–
29
27
27
AMP REM
R-CH
ANT REM
BATT
30
37
37
REG1
35
VP
20
VP1
6
VP2
REG2
31
33
33
REG3
REG4
34
REG5
TUNER+5V
29
MUTE
2 SDA
AUDIO+8.3V
BACKUP+5V
SERVO+3.3V
MECHA+6V
MECHA+6V
PANEL+10V
4 SCL
SDA
SCL
16 BEEP
22 STB
25 DIAG
25 DIAG
AUDIO+8.3V
15
13
7
10
12
11
16
1
9
2
4
3
5
6
30
31
31
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
33
I2C CKO
34
I2C SIO
9
VOL ATT
86
ATT
5
BEEP
26
AMPSTB
8
DIAG
54
BU IN
73
TEST IN
12 INFL
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
AMP-REM
ANT-REM
ACC
TEST
11 INRL
22
OUT RL
MUTE
Q481
REAR
AUDIO OUT
MUTE CONTROL
Q478,479
58
UNI SI
59
UNI SO
60
UNI SCK
87
BUS ON
88
SYS RST
RESET
72
ACC IN
ACCESSORY CHECK
Q631
TU+5V
REG
Q1
MUTE
Q4
ATT
74
TEL ATT
TEL ATTENATION CHECK
Q651
D479
FU601
J330
D511
D510(2/2)
D510(1/2)
D512(1/2)
D512(2/2)
CD
SECTION
A
DISPLAY
SECTION
C
SYS RST
BUS ON
UNI SCK
UNI SO
UNI SI
ATT
BU CHK
CD
SECTION
B
BATT
MUTE
Q441
BATT DET
Q581,582
BATT
BATT DET
Q580
D580,581
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: BUS AUDIO
: AM
3-2. BLOCK DIAGRAM — MAIN SECTION —
(Page 13)
(Page 15)
(Page 13)
15
15
CDX-R3350EE
CDX-R3350EE
3-3. BLOCK DIAGRAM — DISPLAY SECTION —
(Page 14)
S900-908,
910-922
KEY ACK
SWITCH
Q664
X502
32.768kHz
79
80
82
83
41
28
29
27
40
52
76
71
43
64
2
1
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVER
IC901
KEYIN0
DATA
CLK
CE
LCDSO
LCDCKO
LCDCE
KEYIN1
KEYACK
XKEYON
RCIN1
RCIN0
SIRCS
VCC
77
1
2
RESET
70 RETRA SW
PANEL+10V
REMOTE CONTROL
SIGNAL RECEIVER
IC971
RESET
IC602
XIN
XOUT
OSCOUT
OSCIN
X501
18.432MHz
63
64
62
1
COM4
COM1
LCD
LCD901
LED902-908,
910-922,961
910-922,961
LED932
LCD
BACK LIGHT
D501
J561
(REMOTE IN)
51
I
54
4
I
50
•
55
I
SEG4
SEG51
I
DI
CL
CE
DIMMER
PANEL+10V
BACKUP +3.3V
RESET
LED
ILLUMINATION
(
)
(
)
KEY MATRIX
LED
DRIVE
Q901
S702
RESET
S961
(DOOR)
VDD VOUT
OUT
MAIN
SECTION
C
3-4. CIRCUIT BOARDS LOCATION
MAIN board
KEY board
SENSOR board
SERVO board
tuner unit
(TU1)
(TU1)
16
16
CDX-R3350EE
CDX-R3350EE
• WAVEFORMS
— MAIN BOARD —
— SERVO BOARD —
(CD PLAY)
1
IC2
4
(FEI)
Approx.
1Vp-p
1Vp-p
0 V
0.6 Vp-p
16.9344 MHz
Approx. 100 mVp-p
50 mV/DIV, 5 msec/DIV
0.5 V/DIV, 0.5
µ
sec/DIV
2
IC2
6
(TEI)
200 mV/DIV, 5 msec/DIV
6
IC2
oh
(FPI2),
0.5 V/DIV, 0.5
µ
sec/DIV
Approx. 400 mVp-p
3
IC2
wd
(XI)
0.2 V/DIV, 0.2
µ
sec/DIV
7
IC3
ia
(X1)
0.5 V/DIV, 0.2
µ
sec/DIV
1.1 Vp-p
12 MHz
4
IC2
uj
(RFI)
0.5 V/DIV, 0.5
µ
sec/DIV
5
IC2
of
(FNI2),
og
(FNI1)
1.5 Vp-p
oj
(FPI1)
1.5 Vp-p
0 V
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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 diagrams.
Note:
• 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.
•
f
: internal component.
•
C
: panel designation.
For printed wiring boards.
Note:
• 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 layers' patterns are not indicated.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• CD mechanism section (1/2), (2/2)
no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Display sections
no mark : FM
no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Display sections
no mark : FM
(
) : AM
<
> : CD PLAY
∗
: Impossible to measure
• 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.
J
: CD PLAY
F
: FM
f
: AM
L
: BUS AUDIO
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.
Q
C
These are omitted
E
B
E
These are omitted
C
B
C
These are omitted
B
E
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
0.7 Vp-p
32.768 kHz
1
IC501
ul
(XIN)
0.2 V/DIV, 20
µ
sec/DIV
2 Vp-p
18.432 MHz
2
IC501
id
(OSC IN)
1 V/DIV, 0.1
µ
sec/DIV
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