![Sony MEX 1GP - Giga Panel Radio Скачать руководство пользователя страница 21](http://html.mh-extra.com/html/sony/mex-1gp-giga-panel-radio/mex-1gp-giga-panel-radio_service-manual_395965021.webp)
21
21
MEX-1GP
MEX-1GP
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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 diagrams.
Note:
• All capacitors are in
µ
F 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
specified.
•
f
: internal component.
•
C
: panel designation.
For printed wiring boards.
Note:
•
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.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• 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/MW/LW
<
> : 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
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J
: CD PLAY
F
: FM
f
: MW/LW
L
: BUS AUDIO
c
: MEMORY PLAY
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.
Q
C
These are omitted
E
B
E
These are omitted
C
B
C
These are omitted
B
E
• Waveforms
— SERVO Board —
(CD PLAY)
— MAIN Board —
3-5. CIRCUIT BOARDS LOCATION
— KEY Board —
• Abbreviation
CND : Canadian model.
Note:
The components
identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
MAIN board
SUB board
SENSOR board
SERVO board
SPEAKER board
KEY board
tuner unit
(TU601)
IC907 in the key board is not supplied.
The IC907 cannot be replaced. The complete key board
should be replaced.
Содержание MEX 1GP - Giga Panel Radio
Страница 10: ...10 MEX 1GP E Model ...