Circuit Boards Location - Sony CDX-M3DI Service Manual

4-5. CIRCUIT BOARDS LOCATION

DISC IN SW board
LOAD SW board
SWITCH board
DISPLAY board
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1 4
2.8Vp-p
16.9344MHz Approx. 300mVp-p
(TEO)
IC1 wd (XTAL) IC1 od
2 5
1.7Vp-p
12.288MHz
IC1 uj (RFO) (XTAL)
IC3 yd
3
0V
Approx. 200mVp-p
IC1 oa (FEO)
SERVO board
MAIN board
LIMIT SW board
DIGITAL board
Main Board
— —
1
4.8Vp-p
0V
4.332MHz
IC201 4 (OSCO)
2
1.2Vp-p
3Vp-p
32.768kHz
IC501 uf (X0A)
3
3.6Vp-p
3.6864MHz
IC501 os (X0)
4
4.3Vp-p
4MHz
IC605 4 (XOUT)
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 / W or less unless otherwise
4
specified.
• % : indicates tolerance.
• : internal component.
f
• C : panel designation.
Note:
Note:
Les composants identifiés par
The components identi-
fied by mark 0 or dotted une marque 0 sont critiques
line with mark 0 are criti-
pour la sécurité.
cal for safety. Ne les remplacer que par une
Replace only with part piéce portant le numéro
number specified. spécifié.
• 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 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.
• Circled numbers refer to waveforms.
• Signal path.
F : FM
f : AM (MW/LW)
J : CD
c : CD-R/RW (MP3)
for printed wiring boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : Through hole.
a
• : Pattern from the side which enables seeing.
(The other layer's 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.
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CDX-M3DI/M1000TF