– 47 –
– 48 –
– 50 –
– 49 –
ZS-M50
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: The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal 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.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD
6-5. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) –
r
Refer to page 89 for IC Block Diagrams.
r
Waveforms – Main Section (1/3) –
1
IC701
#¡
(RFO)
PLAY MODE
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5
µ
sec
4
IC702
@ª
(PCO)
VOLT/DIV : 1 V AC
TIME/DIV : 2
µ
sec
2
IC701
$¡
(TEO)
PLAY MODE
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.5 msec
5
IC702
$º
(LRCKI)
VOLT/DIV : 1 V AC
TIME/DIV : 5
µ
sec
3
IC701
$•
(FEO)
PLAY MODE
VOLT/DIV : 0.2 V AC
TIME/DIV : 0.2 msec
6
IC702
&¡
(XTAO)
PLAY MODE
VOLT/DIV : 0.5 V AC
TIME/DIV : 20 nsec
1.0 – 1.5 Vp-p
0.7 Vp-p
0.6 Vp-p
3.2 Vp-p
8.7
µ
sec
3.3 Vp-p
23.25
µ
sec
1.3 Vp-p
16.44MHz
