Sony CDX-3900R / CDX-4000R / CDX-4000RX / CDX-L450 Service Manual ▷ View online
21
21
04
I-V
CONV.
FOCUS
ERROR
DIGITAL
CLV
SUB
CODE
PROCESS
TRACKING
ERROR
LD
DRIVE
Q101
FOCUS
COIL
DRIVE
RF
EQ
EQ
EFM
DEM
D/A
I/F
D/A
CONV.
RFO
RFAC
LOUT1
FE
TE
SE
RFDC
FFDR
FRDR
TFDR
SFDR
SRDR
MDP
TRDR
TE
FE
E
D
B
C
A
F
11
10
PD
4
LD
3
7
6
8
13
14
16
LD
AMP
LD ON
HOLD SW
AGC CONT
22
21
20
5
RF AMP, LD APC,
ERROR AMP
IC1
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC501
TRACKING/FOCUS COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
IC7
10
11
22
21
TRACKING
COIL
DRIVE
8
9
25
24
SLED
MOTOR
DRIVE
6
7
31
32
32
FOCUS
COIL
TRACKING
COIL
M902
SLED
MOTOR
SPINDLE
MOTOR
DRIVE
12
13
18
M901
SPINDLE
MOTOR
LOADING
MOTOR
DRIVE
5
4
1
2
34
35
M903
LOADING
MOTOR
MUTE 1
MUTE 2
42
43
40
41
38
39
35
52
51
50
61
92
LOUT2
95
SQSO
6
SQCK
7
SCOR
MD2
24
73
XRST 11
DATA 13
DATA 13
XLAT 14
SCLK 17
CLOK 15
SENS 16
SENS 16
GFS 22
FOK 32
FOK 32
XTALI 86
XTALO 87
LOCK
34
54
SERVO
CTL
X2
16MHz
SW4
(LIMIT)
SW1
(DISC IN)
SW3
(LOAD IN)
BATT
SW2
(SELF)
POWER
CONT
Q363
POWER
CONT
Q365
11V REG
Q361
6V REG
Q362
5V REG
Q364
CD 5V
CD 6V
LM EJ
69
LM LOD
66
SLED –
40
DRIVE ON
70
LD ON
20
HOLD
22
AGC CONT
23
CD ON
18
CDM ON
17
SSTP
11
FOK
54
GFS
55
SENS
57
CD CKO
65
SCLK
45
CD XLAT
68
CD DATA
67
CD RST
21
MD2
71
SCOR
64
SCK2
(KEY BOARD)
48
SI2
49
LOCK
CD L
R-CH
46
D SW
10
IN SW
64
SELF SW
63
CD SYSTEM CONTROL
IC5
SYSTEM CONTROL
IC501 (1/3)
BUS CLK 51
A MUT 19
OPEN 6
BUS SI 52
BUS SO 53
X IN 31
X OUT 32
X1
10MHz
TUNER
SECTION
A
ATT
TUNER
SECTION
B
BUS ON 61
RESET 30
BU IN 60
SW503
(RESET)
HSTX
RESET
1
3
IC652
BU 5V
BATT (H)
CHECK
Q701
BATT
86
RSTX
90
BU IN
77
SYS RST
11
BUS ON
3
UNI SI
17
UNI SO
18
UNI CKO
19
UNI CKI
20
DOOR SW
12
ATT
58
A
C
B
D
E
F
PD
LD
OPTICAL PICKUP
KSS-720A
BATT (L)
CHECK
Q702,703
BATT
• Signal path
:CD
CDX-3900R/4000R/4000RX
3-2. BLOCK DIAGRAM — CD SECTION —
(Page 22)
(Page 22)
22
22
J1
(ANTENNA)
2
10
1
ANTFM
MPX
CDL
8
AM DET
19
IF AM
14
S-METER
12
I2C SDA
13
I2C SCL
9
RDS DET
4
FM AGC
17
E2PROM SDA
18
E2PROM SCL
ANTAM
TUNER UNIT
TU1
BUFFER
Q1
MUTE
CONT
Q131
NOISE
DET
5
1
IC90
Q90
NOISE ON
Q111
MUTE
Q121
MUTE
56
50
32
53
70
71
57
12
14
15
20
21
18
11
13
1
30
SYSTEM CONTROL
IC501 (2/3)
ELECTRONIC VOLUME
IC151
OUT LF
29
OUT LR
16
BEEP
59
AMP ON
60
AMP MUTE
79
TEL ATT
82
ACC IN
SEL
MPX
AM
AM IF
LEVEL
MPIN
SDA
SCL
SM
VOL ATT
TUN ATT
QUALITY
NS MASK
VSM
I2C SIO
I2C CKO
MPTH
DAVN
FM AGC
E2P SIO
E2P CKO
R-CH
–1
L
–2
R
AUDIO OUT REAR
CD
SECTION
A
MUTE
CONT
Q621, 622
Q181
MUTE
Q171
MUTE
CNJ151
ATT
CD
SECTION
B
22 MUTE
4 STAND BY
16 AUX IN
11
12
5
3
9
8
POWER AMP
IC611
1
9
2
10
CN601
FL+
FL–
RL+
RL–
4
12
FR+
FR–
3
11
RR+
RR–
16 BATT
13 ATT
5 AMP R
6 ANT R
R-CH
BATT
F901
4000R/4000RX
TEL
ATT
ATT
Q571
7 ACC
15 TEST
1
TU ON
81
TEST IN
ACC
CHECK
Q661
POWER SUPPLY
IC671
3
120
PW ON
4
2
7
6
BATT
VCC
AMP +B
8
ANT +B
9
COM 8V
10
TU 5.6V
11
TU 8.7V
COM 8V
5
BU +B
BU 5V
TU 5.6V
TU 8.7V
8.7V ON
5.6V ON
STB
9
20
2
10
MULTI
PATH
DET
LV IN
16
4
5
8
RDS/RDBS
DEM/DEC
52
64
51
MPX
OSCO
OSCI
SDA
SCA
X51
4.332MHz
04
10
9
RDS DECODER
IC51
• Signal path
:FM
:MW
:CD
3-3. BLOCK DIAGRAM — TUNER SECTION —
CDX-3900R/4000R/4000RX
(Page 21)
(Page 21)
23
23
tuner unit
(TU1)
(TU1)
DISC IN SW board
KEY board
SUB (CD) board
LOAD SW board
SERVO board
MAIN board
LIMIT SW board
SUB board
KEY MATRIX
LSW901-917
LSW901-917
S901-904
LSW801
KEY
ACTIVE
Q651
KEY
ACTIVE
Q652
DOOR IND
DRIVE
Q551
AMBER
DRIVE
Q901
GREEN
DRIVE
Q902
KEY ACT
J501
(REMOTE IN)
ROTARY
ENCODER
RE901
SW504
(NOSE DET)
X502
32.768kHz
36
37
67
73
74
92
93
46
13
14
15
47
76
35
85
48
SYSTEM CONTROL
IC501 (3/3)
LCD DRIVE
IC901
KEY IN0
DATA
CL
CE
LCD SO
LCD CKO
LCD CE
POWER
CONT
Q633
+10V REG
Q631
29
DOOR IND
KEY IN1
KEY ACK
AD ON
RC IN1
RC IN0
RE IN0
RE IN1
NOSE SW
ILL +B
XOA
XIA
XO
7
ILL ON
BATT
XI
X501
3.68MHz
LED801-803
LED910-915
LSW901-907,909-917
LED901-904
64
63
62
2
1
GREEN
AMBER
LCD901
3900R/
4000R
4000R
04
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
CDX-3900R/4000R/4000RX
3-5. CIRCUIT BOARDS LOCATION
24
24
3-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION —
CDX-3900R/4000R/4000RX
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.
•
U
: 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.
• Signal path.
F
: FM
f
: MW
J
: CD
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
x
: parts mounted on the conductor side.
•
a
: Through hole.
• b
: 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.
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