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Sony D-E660 Service Manual page 25

Portable cd player
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SCHEMATIC DIAGRAM
z
– 7 –
– 8 –
– 9 –
D-E660/EJ610/EJ611/EJ613/EJ615/EJ616CK
r
Waveforms
1
5
2 Vp-p
2.1 Vp-p
1.9 µsec
22.9 µsec
IC601 wg
VOLT/DIV : 0.5 V AC
IC601 ih
VOLT/DIV : 0.5 V AC
CLOCK
TIME/DIV : 0.5 µsec
TIME/DIV : 5 µsec
LRCK
2
6
1.76 Vp-p
2.1 Vp-p
239 nsec
479 nsec
IC601 e;
VOLT/DIV : 0.5 V AC
IC601 o;
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1 µsec
TIME/DIV : 0.1 µsec
R4M
BCK
3
7
2.1 Vp-p
0.9 Vp-p
16.9MHz
3.8 µsec
IC601 of
IC601 rd
VOLT/DIV :0.5 V AC
VOLT/DIV : 0.2 V AC
TIME/DIV : 2 µsec
XTAO
MDP
TIME/DIV : 20 nsec
PLAY MODE
4
8
2.6 Vp-p
400 – 500
mVp-p
4MHz
IC601 ua
IC801 ul
VOLT/DIV : 0.1 V AC
VOLT/DIV : 0.5 V AC
TIME/DIV : 0.1 µsec
RFAC
TIME/DIV : 0.5 msec
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
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.
• U : B+ Line.
• Power voltage is dc 4.5V and fed with regulated dc power
• Abbreviation
supply from external power voltage jack (J401).
CND : Canadian
• Voltages and waveforms are dc with respect to ground
AUS : Australian
under no-signal conditions.
FR
: French
no mark : PLAY
HK
: Hong Kong
AR
: Argentina
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
JE
: Tourist
Voltage variations may be noted due to normal produc-
G
: German
tion tolerances.
EA
: Saudi Arabia
• Waveforms are taken with a oscilloscope.
CH
: Chinese
Voltage variations may be noted due to normal produc-
EE
: East European
MX
: Mexican
tion tolerances.
C&SA : Central and South America
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
– 10 –

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