Sony HT-DDW830 / HT-SL7 / HT-SL7A / SA-VE11P / SA-WMSP1 Service Manual ▷ View online
3
3
SA-WMSP1
SECTION 1
GENERAL
• Location of controls
– Top view (a part) –
SECTION 2
DIAGRAMS
1 POWER button
2 POWER indicator
3 LEVEL dial
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
• 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.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
• b
: Pattern from the side which enables seeing.
•
: B+ Line.
•
: B– Line.
• Voltages are dc with respect to ground under no-signal con-
ditions.
no mark : Power on
no mark : Power on
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10M
Ω
).
Voltage variations may be noted due to normal preduction
tolerances.
tolerances.
• Signal path.
K
: AUDIO
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
2-1. Circuit Boards Location
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
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
0
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.
• Abbreviation
CND : Canadian model
SP
SP
: Singapore model
MX
: Mexican model
AUS : Australia model
MAIN board
POWER IC board
LED board
SWITCH board
CONTROL board
1
2
3
4
4
SA-WMSP1
2-2. PRINTED WIRING BOARD
• See page 3 for Circuit Boards Location.
D301
B-3
D302
B-3
D303
C-5
D304
A-6
D401
A-6
D402
A-6
D403
A-3
D404
A-3
IC101
B-1
Q301
C-4
Q302
C-4
Q303
C-5
Q304
C-4
Q401
B-1
• Semiconductor
Location
Ref. No.
Location
5
5
SA-WMSP1
2-3. SCHEMATIC DIAGRAM
6
SA-WMSP1
3-1. FRONT SECTION
SENTION 3
EXPLODED VIEWS
The components identified by
mark
mark
0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
specified.
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference num-
ber in the exploded views are not supplied.
• Accessories and packing materials are given
in the last of the electrical parts list.
• Abbreviation
CND : Canadian model
SP
SP
: Singapore model
MX
: Mexican model
AUS : Australia model
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
X-4953-515-1 FRAME(SILVER) ASSY, GRILLE (SILVER)
1
X-4953-516-1 FRAME(BLACK) ASSY, GRILLE (BLACK)
2
4-232-530-01 PANEL, FRONT (SILVER)
2
4-232-530-11 PANEL, FRONT (BLACK)
3
1-680-714-13 CONTROL BOARD
4
4-232-527-01 KNOB,VOLUME (SILVER)
4
4-232-527-11 KNOB,VOLUME (BLACK)
5
4-232-531-01 PLATE, LIGHT GUIDE
6
4-973-938-81 KNOB(A), PUSH (SILVER)
6
4-973-938-91 KNOB(A), PUSH (BLACK)
7
7-685-647-79 SCREW+BVTP 3X10 TYPE2 IT-3
8
1-680-715-13 SWITCH BOARD
9
1-680-716-13 LEDBOARD
10
4-232-534-01 PACKING (DUCT)
11
4-235-677-01 SCREW (4X20) (TYPE1)
SP101
1-529-995-11 SPEAKER (20CM)
Les composants identifiés par une
marque
marque
0 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.
SP101
not supplied
not supplied
1
2
3
4
5
6
8
7
7
7
7
9
7
10
11
11
