Read Sony CMT-DC500MD / HCD-J300 Service Manual online
HCD-J300
41
41
31
µ
s
3.4Vp-p
1.3Vp-p
0.2Vp-p
1.6Vp-p
3.5Vp-p
176.4kHz
231 ns
4 Vp-p
3.4 Vp-p
100 ns
4.4 Vp-p
63 ns
1
IC101
us
XTAO
VOLT/DIV : 1V AC
TIME/DIV : 20 nsec
TIME/DIV : 20 nsec
4.6 Vp-p
30 ns
2
IC1001
w;
XOUT
VOLT/DIV : 1V AC
TIME/DIV : 40 nsec
TIME/DIV : 40 nsec
3
IC309
qf
XO
VOLT/DIV : 1V AC
TIME/DIV : 100 nsec
TIME/DIV : 100 nsec
4
IC306
qa
XCOUT
VOLT/DIV : 1V AC
TIME/DIV : 20
TIME/DIV : 20
µ
sec
5
IC306
qd
XOUT
6
IC101
ek
(RF)
VOLT/DIV : 1V AC
TIME/DIV : 40 nsec
TIME/DIV : 40 nsec
7
IC101
ef
(FE)
(Play mode)
8
IC101
wh
(TE)
(Play mode)
9
IC151
o;
(FS4)
• Waveforms
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
• 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.
•
f
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
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.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• 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
g
: VIDEO/MD (AUDIO)
E
: PB (TAPE)
a
: REC (TAPE)
J
: CD (Analog)
c
: CD (DIGITAL OUT)
p
: MD (PB)
l
: MD (REC)
• Abbreviation
HK
: Hong Kong model
SP
: Singapore model
TW
: Taiwan model
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)
parts face are indicated.
• Indication of transistor
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
B
These are omitted.
C
E
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Click on the first or last page to see other CMT-DC500MD / HCD-J300 service manuals if exist.