Sony DAV-FX100W Service Manual page 12

TA-WR2
• Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• f : internal component.
• : 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
(SIDE A) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(SIDE B) the parts face are indicated.
• Indication of transistor.
C
Q
These are omitted.
B E
Q
B C E
These are omitted.
• Waveforms
– RX Board –
1
IC107 wd (X1)
125 ns
1 V/DIV, 100 ns/DIV
2
IC102 r; (OSCI)
81.3 ns
1 V/DIV, 40 ns/DIV
4
SECTION 2
DIAGRAMS
3
IC111 rk (XFSOIN)
3.7 Vp-p
20.3 ns
1 V/DIV, 10 ns/DIV
3.4 Vp-p
Note on Schematic Diagrams:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in Ω and
1
/
4
specified.
• f : internal component.
• 2 : nonflammable resistor.
• C : panel designation.
Note:
Note:
The components identi- Les composants identifiés
fied by mark 0 or dot- par une marque 0 sont cri-
ted line with mark 0 are tiques pour la sécurité.
Ne les remplacer que par une
critical for safety.
piéce por tant le numéro
Replace only with part
number specified. spécifié.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark: Power on
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
• Abbreviation
RU : Russian model
CND : Canadian model
4.8 Vp-p
W or less unless otherwise