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:
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
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.
•
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
[
] : 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.
•
Waveforms are taken with a oscilloscope.
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
AUS
: Australian model
CND : Canadian model
EE
: East European model
KR
: Korean model
RU
: Russian model
SP
: Singapore model
TW
: Taiwan model
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.
Note:
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
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
Содержание HCD-EH10
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