Sony CDX-L410, Руководство по обслуживанию

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2
TABLE OF CONTENTS
1. Schematic Diagram –CD Mechanism Section– ...................... 3
2. Printed Wiring Boards –CD Mechanism Section– .................. 4
3. Exploded Views ....................................................................... 7
3-1. CD Mechanism Section (1) ................................................. 7
3-2. CD Mechanism Section (2) ................................................. 8
3-3. CD Mechanism Section (3) ................................................. 9
4. Electrical Parts List ................................................................ 10
CDX-L410
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 diagram:
• 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.
• % : indicates tolerance.
•
f
: internal component.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• 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
for printed wiring boards:
•
X
: parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
a
: Through hole.
• : Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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.
•
(( )) : Refer to page of Service manual.
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2
3
IC1
ts (PACK)
IC1 uj (RFO)
1.5Vp-p
4
Approx. 100mVp-p
IC1 oa (FEO)
0V
5
Approx. 100mVp-p
IC1
od (TEO)
1.8Vp-p
16.9344MHz
IC1 wd
(XTAL)
5Vp-p
0V
3.3msec