Sony CDX-V3800 Service Manual ▷ View online
13
13
CDX-V3800
CDX-V3800
RF AMP,
DIGITAL SERVO,
IC500
52
EQ0
9
FEO
46
TZCRFM
48
TEO
51 RFI
8 FEN
49 TEN
42 XI
43 XO
PD1
PD2
E
F
I-V AMP
PD
LD
DETECTOR
35
DOUTA
96 CD DATA
36
LRCK
97 CD LRCK
34
WFCK
50 BATTLOW
37
DCK
98 CD BCLK
38
EFLAG
102 CD XCK
31
SUBSYQ
81 SUBSYQ
30
BUSY
80 BUSY
29
RESETX
82 XRESET
28
R/W
83 R/W
27
DIN/OUT
84 DI/DO
26
MCK
85 MCK
CLKIN
CLKIO
3
2
5
6
E
AC
BD
F
13 LD
12
PD
24
LON
(FOCUS)
(TRACKING)
2-AXIS DEVICE
OPTICAL
PICK-UP BLOCK
(KSS1000E)
• Siganal Path
: CD PLAY
LASER DIODE
M
M
M
17
18
14
13
12
11
10
9
VOL(+)
VOL(-)
FWD
REV
1
28
IN1(–) 3
OUT1
IN2(–)
OUT2
IN3(–)
OUT3
IN4(–)
OUT4
4
22 CLV OUT
6
7
18 TDOUT
17 JUMP0
23
19 SDIN
22
21 FD OUT
26
25
16
15
VO4(–)
VO4(+)
VO3(+)
VO3(-)
VO1(+)
VO1(-)
VO2(+)
VO2(-)
M903
(LOADING)
M901
(SPINDLE)
M902
(SLED)
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE/LOADING
MOTOR DRIVE
IC600
CD-L
MAIN
SECTION
A
56
VSYNC
36
DQMO
LDON
UDQM
WE
CAS
RAS
RAS
BA
CLK
14
9
15
WE B
10
16
CAS B
11
17
RASO B
112
19
BAO
SI
127
35
RAMCLK
55
HSYNC
78
AU LRCK
79
AU BCK
76
AU XCK
103
DEEMP
77
AU DATA
55 CD SELFSW
92 CD INSW
93 CD LOAD
CD SO
CD ON
BU+3.3V
U COM+3.3V
19
90
SO 91
SCK 93
RESET B 99
SP 88
MP 89
MUTE 113
16M SDROM
IC200
16M SDROM
IC300
VIDEO SIGNAL
PROCESSOR
IC400
DIGITAL SIGNAL PROCESSOR
IC100
DIGITAL
MODULATOR
IC700
CD SI
18
CD SCK
20
CD XRST
98
SP
54
MP
90
SW2
(SELF)
95 CD DSW
SW1
(DOWN)
S901
(LIMIT)
SW3
(DISC IN)
94 EJECT
69
CLK27 OUT
70
PLA NTSC
54
V RST
2 DIN
1 LRCK
3 BCKIN
3 BCKIN
14 SCKI
12 DEEMP
9
LOUT
6
ROUT
R-CH
10
MUTE
13
FORMAT
32
CVBS/Y
PD2
E
F
LD
MONOUT
FCS+
FCS–
TRK+
TRK–
PD1
AUTOMATIC
POWER
CONTROL
Q501
LASER ON
CONTROL
SWITCH
Q502
• R-ch is omitted due to same as L-ch.
66
65
X401
27MHz
X541
16.934MHz
MUTE
D701
MAIN
SECTION
B
15 CLK
14 MODEB
14 MODEB
28 VSYNC
29 HSYNC
29 HSYNC
9
SLEEP
YC0
I
YC7
P0
I
P7
27•25•23•21•22
•24•26•28
ROMD0
I
ROMD7
29–32•34•38•40•42
•41•39•33•35•44•
43•45–49
ROMA0
I
ROMA18
29•31•33•35
•38•30•42–44
DQ0
I
DQ7
45•25–18•
8–1•48•17
8–1•48•17
A0
I
A18
ROMA0-ROMA18
ROMD0-ROMD7
RAMA0-RAMA10
RAMD0-RAMD15
17–20•16–12
•111•110
DA0
I
DA10
21–24•
27–32•20
A0
I
A10
116–123•6–2
•126–124
2•3•5•6•8•
9•11•12•39•
40•42•43•45
•46•48•49
DQ0
I
DQ15
92 LIMIT
64
I
57
17
I
24
20 SD OUT
87
CN401
(VIDEO OUT)
114
DD0
I
DD15
SYSTEM CONTROL
IC801 (1/3)
CD POWER
CONTROL
Q701,703
3-1. BLOCK DIAGRAM — CD SECTION —
(Page 14)
(Page 14)
SECTION 3
DIAGRAMS
14
14
CDX-V3800
CDX-V3800
3-2. BLOCK DIAGRAM — MAIN SECTION —
1 ANT
7 B2
ELECTRONIC VOLUME
IC401
PJ601
(ANTENNA)
TUX601
(TUNER UNIT)
POWER AMP
IC100
SYSTEM CONTROL
IC801 (2/3)
CNP901
6 B1
R-CH (FRONT)
R-CH (REAR)
R-CH (REAR)
BATT
9 C2
8 C1
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
45 VSM
AU+8V
TU+5V
U COM+3.3V
U COM+3.3V
15 TU ATT
25 EEP SCK
24 EEP SIO
24 EEP SIO
L
R
CD-L
R-CH
17
18
18
OUTS2
OUTS1
R-CH
L
R
5
3
3
LF+
LF-
9
7
7
RF+
RF-
29
27
27
SW1
R-CH
SW2
BATT
30
37
37
REG1
REG2
31
33
33
REG3
REG4
34
REG5
TU+5V
BATT
25
24
24
OUTF1
OUTR1
29
MUTE
2 SDA
AU+8V
U-COM+3.3V
SERVO+3.3V
MECHA+6V
MECHA+6V
DISP+B
4 SCL
SDA
SCL
16 ACGND
22 STB
25 DIAG
25 DIAG
AU+8V
35 VP
15
7
10
12
11
16
1
9
2
4
3
5
6
30
31
31
SCL
SDA
SCL
SDA
SCL
SDA
SCL
SDA
33
IIC SCK
34
IIC SIO
6
VOL ATT
1
LINE ATT
5
BEEP
31
STB
56
DIAG
53
BU IN
67
PAK BK
12 IN RR(FL)
FL+
FL-
RL+
RL-
FR+
FR-
RR+
RR-
AMP-REM
ANT-REM
ACC
PAK BK
23
OUTF2
11 IN RF(RL)
22
OUTR2
MUTE
Q405
MUTE
Q407
REAR
AUDIO OUT
MUTE DRIVE
Q400,401
58
UNI SI
59
UNI SO
64
ACC IN
ACC CHECK
Q900
TU+5V REG
Q601
BATT
BATTERY CHECK
Q902
BACK-UP
DETECT
Q906,907
MUTE
Q404
D400
D702
F900
R-CH
L
R
FRONT
AUDIO OUT
R-CH
5
3
3
AP2
AP1
R-CH
L
R
AUX IN
PJ401
D912
BATT
D915
CD
SECTION
A
MUTE
CD
SECTION
B
BATT
• Signal Path
• R-CH is omitted due to same as L-CH.
: CD PLAY
: FM
: AM
(Page 13)
(Page 13)
15
15
CDX-V3800
CDX-V3800
3-3. BLOCK DIAGRAM — DISPLAY SECTION —
ACK ON
SWITCH
Q800
X801
32.768kHz
79
80
82
83
38
28
29
27
39
47
75
77
LCD DRIVER
IC501
KEYIN0
CLK
CE
LCD SO
LCD SCK
LCD CE
DIMMER
KEYIN1
KEY ACK
46 DST SEL
XKEY ON
46 DST SEL
RESET
DOOR SW
2 IN
1
OUT
X1A
X0A
X0
X1
X800
18.432MHz
S802
RESET
S800
9K
10K
FREQUENCY
SELECT
63
64
62
1
LCD501
LIQUID
CRYSTAL
DISPLAY
PANEL
LED501,502
LCD
BACK LIGHT
D801
S522
(OPEN)
3
I
50
•
51
I
54
|
SEG3
SEG50
COM4
COM1
|
CL
DI
CE
DISP+B
65
SIRCS
IR
LED504-518,
520-522,524,525
2 OUT
U COM+3.3V
(
)
KEY MATRIX
S501-521,523
26
SYSTEM CONTROL
IC801 (3/3)
IR RECEIVER
IC502
SHUT SW
LED
CONTROL
Q502
72
RESET
IC802
DISPLAY
BOARD
DIMMER
3-4. CIRCUIT BOARDS LOCATION
MAIN board
DISPLAY board
SENSOR board
SERVO board
SPEAKER board
tuner unit
(TUX601)
(TUX601)
16
16
CDX-V3800
CDX-V3800
• 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.
• 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
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.
• WAVEFORMS
1
IC801
i;
(XOA)
32.768 kHz
3.6 Vp-p
18.432 MHz
2
IC801
is
(X0)
4.1 Vp-p
0.2 V/DIV, 20
µ
sec/DIV
0.5 V/DIV, 0.1
µ
sec/DIV
1
IC500
rd
(XO)
16.9344 MHz
1.8 Vp-p
2
IC500
ts
(EQO)
0.2 V/DIV, 0.2
µ
sec/DIV
0.5 V/DIV, 0.5
µ
sec/DIV
27 MHz
3
IC100
yg
(CLKIN)
1.5 Vp-p
0.2 V/DIV, 0.2
µ
sec/DIV
0.8 V to
1.3 Vp-p
1.3 Vp-p
— Servo Board — (MODE: CD PLAY)
— Main Board —
Ver. 1.3
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