Read Sony WX-VX55 / WX-VX55S Service Manual online
WX-VX55/VX55S
WX-VX55/VX55S
26
26
For Schematic Diagrams.
Note:
• All capacitors are in
• 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
W or less unless otherwise
specifi ed.
• f :
internal
component.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• CD mechanism section (1/2), (2/2)
no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Key sections
no mark : FM
(
no mark : CD PLAY
• Main (1/3), (2/3), (3/3) and Key sections
no mark : FM
(
)
:
TAPE
PLAYBACK
<
> : CD PLAY
*
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
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
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
J
: CD PLAY
F :
TUNER
(FM)
E :
TAPE
PLAYBACK
L : AUX AUDIO
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• a
• 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 layers' patterns are not indicated.)
• Waveforms
– SERVO Board –
(MODE: CD PLAY)
– SERVO Board –
(MODE: CD PLAY)
• Indication of transistor.
C
B
These are omitted.
E
Q
These are omitted.
C B
E
C
B
These are omitted.
E
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
– MAIN Board –
1.8 Vp-p
1.5 Vp-p
16.9344 MHz
27 MHz
IC500 SE (XO)
IC500 UT (EQO)
IC100 ZH (CLKIN)
0.8 V to
1.3 Vp-p
1.1 Vp-p
32.768 kHz
IC801 VM (X1AOUT)
IC801 JE (X1OUT)
3.5 Vp-p
18.432 MHz
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
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