Read Sony CFD-V3 / CFD-V7 / CFD-V7L Service Manual online
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)
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