Sony CFD-V3 / CFD-V7 / CFD-V7L Service Manual ▷ View online
CFD-V3/V7/V7L
29
29
6-16. SCHEMATIC DIAGRAMS – CD SECTION –
z
Refer to page 30 for Notes.
z
Refer to page 30 for Waveforms.
z
Refer to page 32, 33 for IC Block Diagram.
R721
R718
R717
R716
R716
C727
C723
C722
C720
C721
C725
C724
C726
R722
R719
R720
R719
R720
C731
R710
R709
C703
C704
R708
IC701
R711
C705
C743
C743
C734
C736
JC703
C706
C707
C708
IC702
R743
R744
JC702
JC701
R712
C702
C701
C751
C733
CNP701
R706
R705
R704
R703
R702
R701
S701
C744
C747
C746
C745
R729
R730
R728
R727
C730
C728
C729
R726
R725
R731
C717
JC704
C716
C711
FB702
R715
R714
C735
C754
C755
C740
C741
C709
R741
R723
R724
C732
C750
C742
CNP702
R707
Q701
FB701
L706
X701
1k
1k
1k
1k
1k
1000p
0.01
22p
22p
22p
1000p
22p
1000p
100
100
100
100
100
0.047
4.7k
22k
0.1
22p
10k
LC78645NE
330
4700p
0.1
0.1
4700p
4700p
0
1
50V
1
100p
BA6998FP-E2
6.8k
100k
0
0
100
47
10V
1000p
0.1
100
10V
16P
47k
15k
15k
15k
15k
47k
0.1
100
10V
100
0.1
220
1k
10k
2.2k
0.1
0.047
1
680
680
2.2k
0.01
220
0.01
0.01
150
150
1000
6.3V
6.3V
0.01
0.01
470
10V
0.1
0.1
6.8k
100
47k
100
10V
10V
100
10V
0.1
15P
10
KTN2907AS-RTK
O
0
33.86MHz
D.GND
R-OUT
L-OUT
L-OUT
CD3.3V(D)
CD6V
P.GND
E
D
A
B
C
F
D
A
B
C
F
LD
VR
PD
F+
T+
T-
F-
VR
PD
F+
T+
T-
F-
VCC
MUTE
SP+
SPIN
SP-
SL-
SL+
REGO
VCC
VREF
F-
F+
T-
T+
RST
DRF
*RES
DO
DI
(-11)
(-12)
CL
CE
CE
VREF
VCC
GND
FSEQ
*WRQ
REG-B
GND
GND
GND
NC
OPOUT
OPIN
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
V/*P
FSEQ
M
ONI1
M
INI2
MONI3
MONI4
M
ONI5
(3.3V)VSS
VDD
DOUT
TEST
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
C2F
EFLG
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
CE
CL
DI
DO
*W
RQ
*RES
DRF
VDD5
VSS
CONT3
CONT2
CONT1
PDO1
PDO2
VVSS
PCKIST
VVDD
FR
LDS
LDD
SLCO
TX
TY
FX
FY
SPY
SPX
SLX
SLY
SLIN
(SLIN)
FIN
(FIN)
RF
FE
TE
VC
TIN
(TIN)
SPINDLE/SLED MOTOR DRIVE,
TRACKING/FOCUS COIL DRIVE
TRACKING/FOCUS COIL DRIVE
SLED
MOTOR
SPINDLE
MOTOR
M702
M701
(LIMIT)
RESET
1
5
10
16
POWER
CONTROL
LASER
SERVO
SYSTEM
PROCESSOR
CD RF/
TRACKING
COIL
FOCUS
COIL
LD
PD
E
D
A
B
C
F
D
A
B
C
F
VREF
VCC
Ver 1.4 2003.06
30
30
CFD-V3/V7/V7L
Ver 1.4 2003.06
Note:
• X : parts extracted from the component side.
•
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
•
f
: internal component.
6-17. PRINTED WIRING BOARD – CD SECTION –
z
Refer to page 14 for Circuit Boards Location.
IC701
D-2
IC702
A-3
Q701
B-2
Ref. No.
Location
z
Semiconductor
Location
2
3
4
A
1
B
C
D
E
CD BOARD
12
(12)
13
(13)
1-680-943-
M701
SPINDLE MOTOR
M702
SLED MOTOR
M
M
OPTICAL PICK-UP
BLOCK
KSS-213C
A
MAIN BOARD
CN802
(Last digit:-11)
A
MAIN BOARD
CN802
(Last digit:-12)
FORMER
TYPE
TYPE
NEW
TYPE
TYPE
Q701
IC702
C729
C730
R730
R728
R729
C704
C728
R724
R722
R725
R726
R707
C701
C726
C723
C725
C724
R719
R717
R718
R716
C720
C721
C722
R731
R721
R720
C716
R715
R714
C727
C711
C709
FB701
C736
C734
R704
R702
R703
R705
R701
C703
IC701
C731
R706
R727
R712
R723
C708
R741
JC701
R744
R743
C717
C751
JC702
JC703
C743
C744
C745
C742
C754
C755
C741
JC704
L706
C707
R709
R710
R708
C705
R711
TP
(RF)
S701
(LIMIT)
CNP701
X701
CNP702
C702
JW701
JW702
JW703
JW705
JW706
JW707
JW708
JW713
JW714
JW715
JW716
JW717
JW718
JW721
JW722
JW723
JW724
JW725
JW726
JW727
JW728
JW729
JW730
C740
C750
C746
C747
JW719
C735
JW720
JW711
C733
1
2
5
10
15
16
C706
JW712
JW710
C732
JW709
• Waveforms
Note on 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.
•
f
: internal component.
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
• A : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 9 V and fed with regulated dc power
• H : adjustment for repair.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM (RADIO SECTION),
no mark : FM (RADIO SECTION),
TAPE PLAY (TAPE SECTION)
(
) : AM (RADIO SECTION),
REC (TAPE SECTION)
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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
E
: PB
a
: REC
J
: CD
• Abbreviation
CND : Canadian
IT
IT
: Italian
CET
: East European & Russian
SP
: Singapore
AR
: Argentina
AUS
: Australian
TW
: Taiwan
KR
: Korean
E4
: 110-120V AC/220-240V AC Changeable
1
2
Q301 C
T301
VOLT/DIV : 1 V AC
TIME/DIV : 5
TIME/DIV : 5
µsec
VOLT/DIV : 1 V AC
(ATT : 1/10)
TIME/DIV : 5
µsec
– CONTROL/POWER SECTION –
3.1Vp-p
17.95 µsec
30Vp-p
17.95 µsec
– CD SECTION –
1
IC701 4
RF
2
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.5
TIME/DIV : 0.5
µsec
IC701 rk
XOUT
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.2
TIME/DIV : 0.2
µsec
0.7–1.0Vp-p
(LPC ON)
1.1Vp-p
29.53nsec
3
IC701 qd
(FE)
4
VOLT/DIV : 1 V AC
TIME/DIV : 1 msec
TIME/DIV : 1 msec
IC701 qg
(TE)
VOLT/DIV : 20 V AC
TIME/DIV :1 msec
TIME/DIV :1 msec
0.6Vp-p
0.6Vp-p
(PLAY MODE)
(PLAY MODE)
31
CFD-V3/V7/V7L
• IC BLOCK DIAGRAMS –MAIN SECTION–
IC1 TA2111N
IC301 TA2068N
AM RF IN
FM RF OUT
FM RF IN
RF GND
AM LOW
-CUT
FM/AM
MIX OUT
AGC
VCC
AM IF IN
FM IF IN
GND
TUN LED
ST LED
QUAD
FM OSC
AM OSC
AFC
DET OUT
MPX IN
LPF2
LPF1
L-OUT
R-OUT
7
5
4
3
1
2
6
8
9
12
10
11
14
15
16
17
18
19
21
20
24
23
RF VCC
22
13
DECODER
VCO
DIVIDER
ST/MONO
FM/AM
AF
AMP
FM
MUTE
AF BUFFER
FM
DET
AM
DET
AM
RF AMP
FM
RF AMP
FM
MIX
FM
OSC
AM
OSC
AM
MIX
TUN
LED
ST
LED
FM IF
AMP
AM IF
AMP
AGC
LEVEL
DET
21
22
23
24
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
LOGIC
7dB
26dB
26dB
7dB
ALC1
ALC2
DET
MIC
AMP1
1k
10k
NAB
AMP2
NAB
AMP1
ON
MUTE
MUTE
MUTE
BUF AMP
A2
BUF AMP
A1
BUF AMP
B1
BUF AMP
B2
TAPE
TAPE
–––––
TAPE
–––––
LINE
RADIO
10k
10k
10k
1k
1k
10k
10k
10k
10k
10k
10k
10k
10k
10k
10k
15k
6k
1k
6k
LINE
RADOI
TAPE
REC
AMP1
REC
AMP2
REF AMP
2.1
ON
ON
MONITOR
AMP
MONITOR
AMP
L. LIN
MIC
I/EX
L. RAD
L. LO
REC
TAPE
R. LIN
MIC
IN
R. LO
LINE
R. RAD
VCC
MIC
NF
R. PO
R. NF
R. RO
R. IN
GND
REF
L. IN
L. RO
L. NF
L. PO
AGC
• IC BLOCK DIAGRAMS –CONTROL/POWER SECTION–
32
CFD-V3/V7/V7L
IC701 LC78645E
1
APC
PLL
VCEC
GATE
GATE
GENERAL-
PURPOSE
PORTS
DRF
SLICE
LEVEL
CONTROL
MIX
EQ
AGC
LPF
PH
BH
TBAL
LEVEL SET
LPF
SW
MONI
CONT
CONT
JITTER
DETECT
A/D
SERVO
PROCESSOR
RAM
AUTO
ADJUST
FRAME SYNC DETECT,
PROTECT INSERT,
EFM DECODE
TRACK
JUMP
SW
D/A
COMMAND
INTERFACE
INTERFACE
8FS
DIGITAL
FILTER
1BIT
DAC
SUBCODE
DECODE CRC
CLV, CAV
CONTROL
MONITOR
SIGNAL
SELECTOR
AUDIO
OUT
CLOCK
GENERATOR
ERROR
CORRECTION
AUDIO CD
C1-1, C2-2
RAM
SERIAL
OUT
EXTERNAL
AUDIO IN
2
3
4
5
6
7
8
9
+
–
+
–
+
–
+
–
+
–
10
13
12
11
+
+
–
+
+
–
TBAL
14
15
16
17
18
19
20
LPF
S/H
21 22 23 24
+
–
+
–
+
–
25 26 27
28 29 30
80 79
78 77 76 75 74 73
72 71 70
RUPTURE
DEFECT
32 33 34 35 36
31
PCK
LPF
INTERPOLATION
MUTE
ATTENUATION
DEEMPHASIS
69 68
67
65 64 63 62 61
66
37 38 39 40
60
59
58
57
56
55
53
52
54
51
50
49
48
47
46
45
44
43
42
41
SLCO
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
MONI1
MONI2
MONI3
MONI4
MONI5
(3.3V)VSS
VDD
DOUT
CL
CE
FSEQ
TEST
*RES
*WRQ
DO
DI
VSS
VDD5V
CONT1
DRF
CONT2
CONT3
PCKIST
VVSS
PD02
PD01
LDD
LDS
FR
VVDD
V/*P
LVSS
LCHO
LVSS
RVSS
RCHO
RVSS
XVDD
XOUT
XIN
FSX/16MIN
XVSS
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
C2F
EFLG
• IC BLOCK DIAGRAMS –CD SECTION–
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