Read Sony CFD-V30 (serv.man5) Service Manual online
E Model
CFD-V30
SERVICE MANUAL
SUPPLEMENT - 1
Fill this Supplement with the Service manual.
Subject :
r
CHANGE OF BOARDS
r
EXPLODED VIEWS
r
ELECTRICAL PARTS LIST
(SPM-97033)
– 2 –
r
CHANGE OF BOARDS
The main board, SW board, power board, AC inlet board, mega bass board, REC SW board, M/B SW board and BATT board have been
changed.
Printed wiring boards and schematic diagram of new type, and changed parts list are described in this Supplement-1.
Refer to original service manual (9-923-136-41) previously issued for the other information.
changed.
Printed wiring boards and schematic diagram of new type, and changed parts list are described in this Supplement-1.
Refer to original service manual (9-923-136-41) previously issued for the other information.
NEW TYPE IDENTIFICATION
– MAIN BOARD (Component side) –
– BATT BOARD –
(Component side)
(Component side)
– MEGA BASS BOARD –
(Component side)
– REC SW BOARD –
(Component side)
– M/B SW BOARD –
(Component side)
– AC INLET BOARD –
(Component side)
(Component side)
– POWER BOARD –
(Component side)
(Component side)
1-665-035-
12
(C&SA model)
1-665-035-
1-665-035-
22
(EXCEPT C&SA model)
1-665-557-
12
(C&SA model)
1-665-557-
22
(EXCEPT C&SA model)
1-665-556-
12
(C&SA model)
1-665-556-
22
(EXCEPT C&SA model)
1-665-039-
12
(C&SA model)
1-665-039-
1-665-039-
22
(EXCEPT C&SA model)
1-665-037-
12
(C&SA model)
1-665-037-
1-665-037-
22
(EXCEPT C&SA model)
1-665-043-
11
(EXCEPT EA model)
1-665-043-
21
(EA model)
1-665-038-
12
(C&SA model)
1-665-038-
1-665-038-
22
(EXCEPT C&SA model)
• Abbreviation
C&SA : Central & South America
EA
EA
: Saudi Arabia
– 9 –
– 10 –
– 12 –
– 11 –
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
•
¢
: internal component.
•
1
: fusible resistor.
Note: The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM (Radio section), CD STOP (CD section)
no mark : FM (Radio section), CD STOP (CD section)
PLAY (Tape section)
(
) : AM (Radio section), REC (Tape section)
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
F
: FM
E
: PB
a
: REC
J
: CD
• Abbreviation
C&SA : Central & South America
r
SCHEMATIC DIAGRAM – MAIN SECTION –
CFD-V30
– 15 –
– 16 –
– 13 –
– 14 –
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
Note: The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : FM (Radio section), CD STOP (CD section)
no mark : FM (Radio section), CD STOP (CD section)
PLAY (Tape section)
(
) : AM (Radio section), REC (Tape section)
• 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.
J
: CD
• Abbreviation
SP
: Singapore
EA
: Saudi Arabia
KR
: Korean
C&SA : Central & South America
r
SCHEMATIC DIAGRAM – CD SECTION –
CFD-V30
1
IC701
#¡
(RFO)
r
WAVEFORMS
1.0 – 1.4
Vp-p
Vp-p
VOLT/DIV : 0.2V AC
TIME/DIV : 0.5
TIME/DIV : 0.5
µ
sec
4
IC702
#¡
(MNT3)
VOLT/DIV : 1V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
2
IC702
@
∞
(XPCK)
VOLT/DIV : 1V AC
TIME/DIV : 0.1msec
TIME/DIV : 0.1msec
5
IC702
#™
(MNT1)
VOLT/DIV : 1V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
3
IC702
@•
(RFCK)
VOLT/DIV : 1V AC
TIME/DIV : 50
TIME/DIV : 50
µ
sec
6
IC702
#
∞
(XTAO)
VOLT/DIV : 0.2V AC
TIME/DIV : 50nsec
TIME/DIV : 50nsec
4.8Vp-p
242.0
µ
sec
5.3 Vp-p
140.5
µ
sec
5.3Vp-p
140.5
µ
sec
5.3 Vp-p
140.5
µ
sec
0.8 Vp-p
16.9344 MHz
(PLAY Mode)