Sony CDP-CX400; CDP-CX450 Service Manual page 23

THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
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 and 1 / W or less unless otherwise
4
specified.
• ¢ : internal component.
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
fied by mark ! or dotted une marque ! sont critiques
pour la sécurité.
line with mark ! are criti-
cal for safety. Ne les remplacer que par une
Replace only with part piéce por tant le numéro
number specified. spécifié.
• U : B+ Line.
• V : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : STOP
• Voltages are taken with a VOM (Input impedance 10 M ).
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
c : digital out
• Abbreviation
CND : Canadian model
AUS : Australian model
SP : Singapore model.
MY : Malaysia model.
For printed wiring boards.
Note:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
® : Through hole.
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
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.
• Indication of transistor
C
Q
These are omitted
B E
B C E
These are omitted
Waveforms
1 5
IC101 wh MDP
IC101 yj XTAI
3.1Vp-p
16.9MHz
6
2
IC101 ta RF AC IC502 qh XOUT
1.2Vp-p
(PLAY)
3
7
IC101 ra TE
IC501 qg OSC2
2.5V
APPROX 500mVp-p (PLAY)
4
8
IC101 el FE IC804 7 CLKO
2.5V
APPROX 200m Vp-p (PLAY)
23 23
2.4Vp-p
7.5 sec
4.6Vp-p
7.28MHz
4.2Vp-p
10MHz
4.2Vp-p
14MHz
CDP-CX400/CX450