– 7 –
– 8 –
– 10 –
– 9 –
– 11 –
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.
•
¢
: internal component.
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.
•
H
: adjustment for repair.
• Power voltage is dc 4.5 V 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 : Service mode
• 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
SCHEMATIC DIAGRAM
D-M801/M805
r
WAVEFORMS
1
2
5
6
3
7
4
Service mode
Tracking servo : OFF
ESP : OFF
Service mode
Tracking servo : OFF
ESP : OFF
Service mode
Tracking servo : OFF
ESP : OFF
Service mode
Tracking servo : OFF
ESP : OFF
2.8 Vp-p
136
µ
sec
2.8 Vp-p
22.7
µ
sec
2.8 Vp-p
0.47
µ
sec
0.6 Vp-p
16.9 MHz
Service mode
Tracking servo : OFF
ESP : OFF
Service mode
Tracking servo : OFF
ESP : OFF
0.7 Vp-p
4.19 MHz
Play mode
1.0
±
0.2 Vp-p
VOLT/DIV : 1V AC
TIME/DIV : 1µ sec
VOLT/DIV : 0.2V AC
TIME/DIV : 20nsec
VOLT/DIV : 1V AC
TIME/DIV : 1µ sec
VOLT/DIV : 2V AC
TIME/DIV : 1µ sec
VOLT/DIV : 1V AC
TIME/DIV : 1µ sec
VOLT/DIV : 1V AC
TIME/DIV : 1µ sec
VOLT/DIV : 1V AC
TIME/DIV : 2µ sec
IC502
&º
IC502
^•
IC501
@£
IC801
@º
IC502
^¢
IC502
&ª
IC301
!§
2.7 Vp-p
240nsec
w
w
w
.
x
i a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
