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HCD-RXD2
— 21 —
— 22 —
1
IC101
#£
(PLAY MODE)
2
IC101
2
(FEI)
(PLAY MODE)
3
IC101
$¶
(TEI)
(PLAY MODE)
4
IC103
@¶
(MDP)
5
IC702
$ª
(B) GFS
7
IC702
&¡
(XTAO)
Approx. 1.0Vp-p
Approx. 0.1Vp-p
Approx. 0.1Vp-p
2.4Vp-p
0.1
µ
sec/div
0.1V/div
7.7
µ
sec
5.7Vp-p
4.2336MHz
16.9344MHz
5.6Vp-p
(PLAY MODE)
8
IC601
$º
(X' TAL)
4.7Vp-p
10MHz
7.2MHz
3.4Vp-p
9
IC103
@™
(X OUT)
49.5kHz
49.5kHz
26Vp-p
44Vp-p
!º
L291
6
,
7
!¡
L291
5
(REC MODE)
(PLAY MODE)
(REC MODE)
6
IC702
%™
(A) C4M
— BD SECTION —
— PANEL SECTION —
— MAIN SECTION —
•
WAVEFORM
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
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: 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.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each
block.)
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
®
: Through hole.
•
¢
: internal component.
•
b
: Pattern from the side which enables seeing.