Sony D-SJ15 Service Manual page 16

Portable cd player
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Waveforms
r
1
1.9 µsec
IC601 wg
VOLT/DIV : 0.5 V AC
CLOCK
TIME/DIV : 0.5 µsec
2
1.76 Vp-p
239 nsec
IC601 e;
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1 µsec
R4M
3
3.8 µsec
IC601 rd
VOLT/DIV :0.5 V AC
TIME/DIV : 2 µsec
MDP
PLAY MODE
4
400 – 500
IC601 ua
VOLT/DIV : 0.1 V AC
RFAC
TIME/DIV : 0.5 msec
5
2.1 Vp-p
22.9 µsec
IC601 ih
VOLT/DIV : 0.5 V AC
TIME/DIV : 5 µsec
LRCK
6
479 nsec
IC601 o;
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1 µsec
BCK
7
2.1 Vp-p
16.9MHz
IC601 of
VOLT/DIV : 0.2 V AC
XTAO
TIME/DIV : 20 nsec
8
mVp-p
4MHz
IC801 ul
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1 µsec
XIN
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
specified.
2 Vp-p
Note:
The components identi-
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.
Replace only with part
number specified.
: 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
2.1 Vp-p
under no-signal conditions.
no mark : PLAY
: 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.
J
: CD
0.9 Vp-p
2.6 Vp-p
– 21 –
1
/
W or less unless otherwise
4
Note:
Les composants identifiés
Ne les remplacer que par
une piéce portant le
numéro spécifié.

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