– 21 –
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.
•
: 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
r
Waveforms
1
IC601
wg
CLOCK
5
2
6
3
7
4
8
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.5
µ
sec
IC601
ih
LRCK
IC601
e;
R4M
IC601
o;
BCK
IC601
rd
MDP
IC601
of
XTAO
IC601
ua
RFAC
IC801
ul
XIN
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1
µ
sec
PLAY MODE
VOLT/DIV :0.5 V AC
TIME/DIV : 2
µ
sec
VOLT/DIV : 0.1 V AC
TIME/DIV : 0.5 msec
VOLT/DIV : 0.5 V AC
TIME/DIV : 5
µ
sec
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1
µ
sec
VOLT/DIV : 0.2 V AC
TIME/DIV : 20 nsec
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1
µ
sec
2.1 Vp-p
1.9
µ
sec
1.76 Vp-p
239 nsec
2.1 Vp-p
3.8
µ
sec
400 – 500
mVp-p
2 Vp-p
22.9
µ
sec
2.1 Vp-p
479 nsec
0.9 Vp-p
16.9MHz
2.6 Vp-p
4MHz