DOWNLOAD Sony MHC-RG88 / MHC-RV8 / SS-WGV8 Service Manual ↓ Size: 195.92 KB | Pages: 7 in PDF or view online for FREE

Model
MHC-RG88 MHC-RV8 SS-WGV8
Pages
7
Size
195.92 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
mhc-rg88-mhc-rv8-ss-wgv8.pdf
Date

Sony MHC-RG88 / MHC-RV8 / SS-WGV8 Service Manual ▷ View online

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.
2-1.
NOTE  FOR  PRINTED  WIRING  BOARD  AND  SCHEMATIC  DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in 
µ
F unless otherwise noted.  pF: 
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 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
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
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
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
6
SS-WGV8
SECTION  3
EXPLODED  VIEW
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color Cabinet's Color
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-237-992-01 KNOB, LEVEL
2
4-237-993-01 KNOB, MODE
4
A-4735-706-A FRONT PANEL ASSY
5
4-874-614-21 SCREW (1) (3.5X14), TAPPING
6
4-237-990-01 SUB-PANEL
7
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3 (B)
8
1-683-756-11 WOOFER BOARD
9
9-831-275-51 WIRE KIT
10
1-824-107-11 CORD
SP1
1-544-986-11 SPEAKER (20cm)
1
2
4
5
not
supplied
not
supplied
not
supplied
SP1
5
6
7
8
10
9
Page of 7
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Sony MHC-RG88 / MHC-RV8 / SS-WGV8 Service Manual ▷ Download

  • DOWNLOAD Sony MHC-RG88 / MHC-RV8 / SS-WGV8 Service Manual ↓ Size: 195.92 KB | Pages: 7 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony MHC-RG88 / MHC-RV8 / SS-WGV8 in PDF for free, which will help you to disassemble, recover, fix and repair Sony MHC-RG88 / MHC-RV8 / SS-WGV8 Audio. Information contained in Sony MHC-RG88 / MHC-RV8 / SS-WGV8 Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.