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5-2. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each
block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
1
/
W or less unless otherwise
4
specified.
•
%
: indicates tolerance.
•
f
: internal component.
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted
une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety.
Ne les remplacer que par une
Replace only with part
piéce por tant le numéro
number specified.
spécifié.
• A : B+ Line.
• Total current is measured with CD installed.
• Power voltage is dc 4.5 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages and waveforms are dc with respect to ground in
playback mode.
no mark : FM
(
) : AM
<
> : CD
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
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
• Abbreviation
CND : Canadian model.
E92
: AC 120V area in E model.
MX
: Mexican model.
5-3. WAVEFORMS
1
200mV/DIV, 400ns/DIV
2
1V/DIV, 40ns/DIV
450mVp-p
59ns
IC601
if
(RFAC)
IC601
rk
(XTAO)
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
a
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
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.
C
Q
These are omitted
B
E
B
E
C
These are omitted
E
C
B
These are omitted
• Abbreviation
CND : Canadian model.
E92
: AC 120V area in E model.
MX
: Mexican model.
1V/DIV, 2µs/DIV
3
2Vp-p
2.6Vp-p
57µs
IC601
<z/v
(C176)
15
15
D-NE500/NE506CK
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