– 29 –
– 30 –
– 32 –
– 31 –
ZS-X7
6-6. SCHEMATIC DIAGRAM (CD SECTION)
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
!
or dotted par une marque
!
sont cri-
line with mark
!
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 12 V and fed with regulated dc power
supply from external power voltage jack (J901).
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : CD STOP
(
) : CD PLAY
• 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
2
3
4
5
6
VOLT/DIV : 0.5 V AC
TIME/DIV : 1
µ
sec
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5 msec
VOLT/DIV : 0.2 V AC
TIME/DIV : 1 msec
VOLT/DIV : 0.2 V AC
TIME/DIV : 20 nsec
VOLT/DIV : 2 V AC
TIME/DIV : 20 msec
VOLT/DIV : 1 V AC
TIME/DIV : 0.2
µ
sec
0.9 – 1.3
Vp-p
0.7 Vp-p
0.6 Vp-p
720 mVp-p
16.934 MHz
6.6 Vp-p
44.1 kHz
3.2 Vp-p
2.1 MHz
IC701
ea
RFO
IC701
rk
FEO
IC701
qs
TAO
IC702
ua
XTAO
IC702
el
LRCK
IC702
rd
BCK
PLAY MODE
PLAY MODE
r
Refer to page 45 – 46 for IC Block Diagrams.