Sony MHC-RG88 / MHC-RV8 / SS-WGV8 Service Manual ▷ View online
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
5
SS-WGV8
2-3.
SCHEMATIC DIAGRAM
R127
C103
R116
R117
R118
Q108
Q107
Q106
R105
R128
C102
R101
C101
R103
R102
CN101
R126
R106
Q105
R
125
R115
RV107
D106
D105
D108
D107
S102
R104
S101
10k
0.1
10k
10k
10k
2SC2785TP
-FEK
2SC2785TP
-FEK
2SC2785TP
-FEK
100
10k
100
10V
10V
100k
100p
4.7k
2.2k
10P
10k
150
2SC2785TP
-FEK
10k
10k
50k
SEL 5923A-TP15
SEL 5923A-TP15
SEL 5923A-TP15
SEL 5923A-TP15
10k
AD-KEY
VOLUME
AGND
D+4V
DGND
DGND
M1-LED
LINK-LED
M2-LED
ON/OFF-LED
LED DRIVE
Q105-108
TO
HCD-RG88
OR
HCD-RV8
SUBWOOFER
ON/OFF
SUBWOOFER
LEVEL
MATRIX SUR2
MATRIX SUR1
LINK
SUBWOOFER
ON/OFF
(ROTARY ENCODER)
SURROUND
SPEAKER MODE
Display