Sony MEX-R5 Service Manual page 23

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• Note for Printed Wiring Boards and Schematic Diagrams
Note on Printed Wiring Board:
• 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
(Conductor Side) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Component Side) the parts face are indicated.
Caution:
Pattern face side: Parts on the pattern face side seen from
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
MEX-R5
Note on Schematic Diagram:
• 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 / W or less unless otherwise
4
specified.
•
: internal component.
f
• C : panel designation.
Note: Note:
The components identi- Les composants identifiés par
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 pièce por tant le numéro
number specified. spécifié.
• A : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : DVD PLAY
[ ] : CD PLAY
( ) : TUNER
∗
: Impossible to measure
• 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.
L : DVD/CD (VIDEO)
F
: DVD/CD (AUDIO)
J
: OPTICAL OUTPUT
f
: TUNER
E
: AUX IN
• Abbreviation
CH : Chinese model
CND : Canadian model
RU : Russian model
x a o
y
. i
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• Circuit Boards Location
BASE board
DISPLAY board
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u 1 6 3
.
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2 4
9 9 8
SERVO board
SENSOR board
PRESET board
1 5 1 5 0 8 9 2 4
m
c o
MEX-R5
Ver. 1.1
2
9 9
SPEAKER board
tuner unit
(TUX201)
MAIN board
SUB board
9 8 2 9 9