Sony Walkman D-CJ01 Service Manual page 19

Waveforms
z
1
3.8Vp-p
1.34 sec
IC601 of
VOLT/DIV : 1 V AC
XTAO
TIME/DIV : 20 nsec
2
30 Vp-p
8 MHz
0.125 sec
IC801 q;
VOLT/DIV : 1V AC
XTALO
TIME/DIV : 100 nsec
Note:
• All capacitors are in F unless otherwise noted. pF:
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in and 1 / W or less unless otherwise
4
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 ).
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
3
PLAY MODE
3.6Vp-p
5.6 sec
Q411 C
VOLT/DIV : 1 V AC
TIME/DIV : 2 sec
4
0.4 - 0.8 Vp-p
IC501 qg
VOLT/DIV : 0.1 V AC
RFO
TIME/DIV : 0.5 msec
F
D-CJ01
19