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MDS-PC2
– MAIN SECTION –
IC701 !£ (XOUT)
IC201 !™ (SYSCLK)
IC201 !¶ (LRCK1)
IC201 !§ (BCK)
– PANEL SECTION –
IC901 %• (OSCO)
3.4Vp-p
2.822MHz
3.0Vp-p
22.581MHz
3.9Vp-p
2.4MHz
3.2Vp-p
10MHz
3.8Vp-p
44.1kHz
WAVEFORMS
1
IC101 1, 2 (I, J) (PLAY mode)
– BD (1/2) SECTION –
2
3
IC101 4 (A) (PLAY mode)
IC101 8, 9 (E, F) (PLAY mode)
0.46Vp-p
0.1Vp-p
0.06Vp-p
– BD (2/2) SECTION –
4
5
6
7
8
IC121 !§ (OSCI)
IC121 @¶ (LRCK)
IC121 @• (XBCK)
IC121 @ª (FS256)
IC121 (º (FS4)
3.1Vp-p
22.581MHz
3.2Vp-p
44.1kHz
3.8Vp-p
2.822MHz
3.2Vp-p
176.4kHz
3.8Vp-p
11.29MHz
1
1
2
3
4
Note on Schematic Diagram:
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
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
• C : panel designation.
Note on Printed Wiring Boards:
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• p : parts mounted on the conductor side.
•
®
: Through hole.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• U : B+ Line.
• V : B– Line.
• H : adjustment for repair.
no mark : STOP
( ) : Play the test disk (TDYS-1)
< > : REC
∗
: Can not be measured.
• 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.
• Signal path.
E : PB
: REC
p : PB (digital out)
l : REC (digital in)
Note:
The components identi-
fied by mark ! or dotted
line with mark ! are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B) pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A) parts face are indicated.
Q
C
EB
CEB
• Indication of transistor
These are omitted
These are omitted