Read Sony MHC-RG88 / MHC-RV8 / SS-WGV8 Service Manual online
SERVICE MANUAL
9-873-656-01
Sony Corporation
2002C0500-1
Home Audio Company
C
2002.03
Published by Sony Engineering Corporation
Ver 1.0 2002.03
SUBWOOFER SYSTEM
E Model
SPECIFICATIONS
Subwoofer system
1 way, 1 unit,
bass-reflex type
bass-reflex type
Speaker units
Woofer
Woofer
20 cm, cone type
Nominal Impedance
8 ohms
Dimensions (w/h/d)
Approx. 250
× 360 × 336.5
mm
Mass
7.5 kg
Design and specifications are subject to change
without notice.
without notice.
SS-WGV8
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
2
SS-WGV8
SECTION 1
GENERAL
This section is extracted from
instruction manual.
instruction manual.
LOCATION OF CONTROLS
– Front Panel –
– Front Panel –
LINK (indicator) 6
MATRIX SUR1 (indicator) 5
MATRIX SUR2 (indicator) 4
SUBWOOFER LEVEL 2
SUBWOOFER ON/OFF 1
SURROUND SPEAKER MODE
MATRIX SUR1 (indicator) 5
MATRIX SUR2 (indicator) 4
SUBWOOFER LEVEL 2
SUBWOOFER ON/OFF 1
SURROUND SPEAKER MODE
3
A - Z
1
2
3
4
5
6
ALPHABETICAL ORDER
3
SS-WGV8
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
• Indication of transistor.
2-1.
NOTE FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
•
A
: B+ Line.
• Voltages are dc with respect to ground in no-signal
conditions.
no mark : AUDIO
no mark : AUDIO
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
B
These are omitted.
C
E
Q
SECTION 2
DIAGRAMS
4
SS-WGV8
2-2.
PRINTED WIRING BOARD
WOOFER BOARD
1-683-756-
11
(11)
SUBWOOFER LEVEL
RV107
1
3
SURROUND SPEAKER MODE
(ROTARY ENCODER)
E
E
E
E
MATRIX SUR2
D106
MATRIX SUR1
D108
LINK
D108
SUBWOOFER
ON/OFF
D105, S102
TO
HCD-RG88
OR
HCD-RV8
A
B
1
2
3
4
5
S101
• Semiconductor
Location
Ref. No.
Location
D105
A-3
D106
B-2
D107
B-4
D108
B-3
Q105
A-2
Q106
B-2
Q107
B-4
Q108
B-3
