Read Sony TC-WE625 / TC-WE725 / TC-WE825S / TC-WE835S Service Manual online
5-2. CIRCUIT BOARDS LOCATION
– 14 –
•
For schematic diagrams.
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
%
: indicates tolerance.
•
¢
: internal component.
•
1
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
•
For printed wiring boards.
• X
: parts extracted from the component side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
: Chip transistor of abbreviation (E, C, B)
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
no mark : PB (DECK A)
(
(
) : REC (DECK A)
<
> : PB (DECK B)
[
] : REC (DECK B)
<< >> : STOP
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Signal path.
E
: PB (DECK A)
a
: REC (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
• Abbreviation
CND : Canadian model.
AUS
AUS
: Australian model.
SP
: Singapore model.
MY
: Malaysia model.
CH
: Chinese model.
AUDIO (B) board
LEAF SW (B) board
LEAF SW (A) board
FL board
HEADPHONE board
REC VOL board
MAIN board
TRANS (B) board
AUDIO (A) board
SW (C) board
SW (A) board
SW (B) board
TRANS (A) board
DOLBY-S board
(WE825S)
(WE825S)
(Except Singapore, Malaysia)
(Except US, Canadian)
(Except US,
Canadian)
Canadian)
(US, Canadian)
BCE
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