Read Sony CMT-EH10 / HCD-EH10 Service Manual online
HCD-EH10
17
17
HCD-EH10
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
C
B
These are omitted.
E
Q
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
B
These are omitted.
C
E
Q
•
Waveforms
– CD Board –
– MAIN Board –
– PANEL Board –
3
IC201
u;
(RFACO)
(CD PLAY mode)
200 mV/DIV, 500 ns/DIV
0.5 to 1.3 Vp-p
22.8
µ
s
3.3 Vp-p
1
IC201
1
(LRCK)
(CD PLAY mode)
1 V/DIV, 10
µ
s/DIV
2
IC201
5
(BCK)
(CD PLAY mode)
1 V/DIV, 200 ns/DIV
472 ns
3.3 Vp-p
4
IC201
<z/,
(XTAO)
(CD PLAY mode)
1 V/DIV, 20 ns/DIV
59.4 ns
2.3 Vp-p
qa
IC801
w;
(XOUT)
(tuner mode)
500 mV/DIV, 5
µ
s/DIV
13.3
µ
s
1.6 Vp-p
qs
IC861
qf
(XOUT)
(FM mode)
1 V/DIV, 100 ns/DIV
230 ns
4 Vp-p
ws
IC701
os
(X1)
1 V/DIV, 100 ns/DIV
239 ns
3.1Vp-p
wa
IC701
qf
(X1A)
1 V/DIV, 10
µ
s/DIV
30.6
µ
s
3.2 Vp-p
Ver. 1.5
Note on Schematic Diagram:
•
All capacitors are in
µ
F 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.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: Adjustment for repair.
•
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : FM
[
under no-signal conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : FM
[
] : AM
(
) : CD PLAY
〈〈
〉〉
: TAPE PLAY
{
} : REC
•
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.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: FM
f
: AM
J
: CD PLAY
E
: TAPE PLAY
j
: REC
i
: AUX IN
•
Abbreviation
AR
AR
: Argentina model
AUS
: Australian model
CND : Canadian model
EE
EE
: East European model
KR
: Korean model
RU
: Russian model
SP
: Singapore model
TW
: Taiwan model
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
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
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
MAIN board
PT-AC board
AC-SW board
PANEL board
CD board
•
Circuit Boards Location
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