19
D-CJ01
1
2
4
3
Note:
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
Note:
Note:
The components identi-
Les composants identifiés
fied by mark
0
or dotted par une marque
0
sont cri-
line with mark
0
are cri-
tiques pour la sécurité.
tical for safety.
Ne les remplacer que par
Replace only with part
une piéce portant le
number specified.
numéro spécifié.
•
A
: B+ Line.
• Power voltage is dc 4.5V and fed with regulated dc power
supply from external power voltage jack (J401).
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : PLAY
∗
: Impossible to measure
• 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.
J
: CD
z
Waveforms
IC601
of
XTAO
VOLT/DIV : 1 V AC
TIME/DIV : 20 nsec
IC801
q;
XTALO
IC501
qg
RFO
Q411
C
VOLT/DIV : 1V AC
TIME/DIV : 100 nsec
PLAY MODE
VOLT/DIV : 1 V AC
TIME/DIV : 2
µ
sec
VOLT/DIV : 0.1 V AC
TIME/DIV : 0.5 msec
3.8Vp-p
1.34
µ
sec
30 Vp-p
8 MHz
0.125
µ
sec
0.4 - 0.8 Vp-p
3.6Vp-p
5.6
µ
sec
Summary of Contents for WALKMAN D-CJ01
Page 31: ...31 D CJ01 ...