Sony SA-VE522 / SA-VE525 / SA-WMS525 / SS-MS525 / SS-V521 Service Manual ▷ View online
3
3
SA-VE522/VE525/WM525/SS-MS525/V521
SECTION 1
GENERAL
• Location of controls
– Front view (a part) –
SECTION 2
DIAGRAMS
1 POWER button
2 ON/STANDBY indicator
3 LEVEL dial
4 MODE 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 por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
• Abbreviation
CND : Canadian model
SP
CND : Canadian model
SP
: Singapore model
MX
: Mexican model
AUTO POWER board
MAIN board
POWER board
LED board
POWER SWITCH board
CONTROLboard
1
2
3
4
SA-VE522/VE525/WM525/SS-MS525/V521
2-3. SCHEMATIC DIAGRAM
4
4
BA4558
BA4558
0.22
0.22
0.22
0.22
0.22
0.22
0.22
0.22
BA4558
BA4558
39k
BA4558
BA4558
BA4558
BA4558
W
W
HPF
MIX AMP
BA4558
BA4558
680
680
2SA1464-T2Y13
POEWR AMP
16V
11ES-NTA2B
11ES-NTA2B
11ES-NTA2B
11ES-NTA2B
MZS15-2L
MZS15-2L
2SA733-K
2SC2785
680
1W
D801
ON/STANDBY
– 0.9
13.6
– 0.3
– 13.9
13.3
12.9
– 13.9
AEP,UK,CH T1AL/250V
C4
JW605
SP
Ver 1.
1
2001. 0
8
5
5
SA-VE522/VE525/WM525/SS-MS525/V521
2-2. PRINTED WIRING BOARD
• See page 3 for Circuit Boards Location.
There are a few cases that the part isn’t mounted in
model is printed on diagram.
model is printed on diagram.
MAIN BOARD
CONTROL BOARD
POWER BOARD
LED
BOARD
BOARD
POWER SW BOARD
AUTO POWER BOARD
IN
J101
TM101
OUT
LINE
IN
OUT
S701
L
R
SPEAKER
AUTO POWER
SAVE
SP
1-680-785-
11
(11)
1-680-786-
11
(11)
1-680-787-
11
(11)
1-680-788-
11
(11)
1-680-784-
11
(11)
1-680-789-
11
(11)
AC
IN
IN
SP
SP
SP
EXCEPT SP
D101
B-5
D102
B-5
D103
B-6
D104
B-6
D303
B-4
D304
B-4
D305
C-4
D306
E-4
D501
E-4
D502
E-4
D503
E-4
D505
E-4
D506
D-4
D507
D-4
D701
C-5
D702
C-5
D703
C-5
D704
C-5
IC101
A-6
IC102
A-5
IC104
C-4
• Semiconductor
Location
Ref. No.
Location
Q101
A-5
Q301
B-4
Q302
A-4
Q303
A-4
Q304
A-5
Q305
A-5
Q306
B-4
Q307
B-5
Q308
D-4
Q309
D-4
Q310
C-4
Q311
D-4
Q501
D-4
Q502
D-4
Q701
C-6
Q702
C-5
Q703
D-6
Q704
D-4
Q705
D-4
Ref. No.
Location
6
SA-VE522/VE525/WM525/SS-MS525/V521
3-1. FRONT PANEL SECTION
SECTION 3
EXPLODED VIEWS
Ref. No. Part No.
Description
Remark Ref. No. Part No.
Description
Remark
1
X-4953-330-1
FRAMEASSY, GRILLE
2
X-4953-555-1
PANELASSY, FRONT
3
3-703-564-21
SCREW,TAPPING
4
4-227-298-01
SHEET
5
4-999-482-31
KNOB(VOL)
6
4-231-866-01
PACKING
7
1-680-787-11
8
4-973-938-51
KNOB(A), PUSH
9
1-680-788-11
LED BOARD
10
1-680-785-11
CONTROL BOARD
SP901
1-529-296-11
SPEAKER (20CM)
POWER SWITCH BOARD
The components identified by
mark
mark
0
or dotted line with mark
0
are critical for safety.
Replace only with part number
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 : Singapore model
SP : Singapore model
CH : Chinese model
MX: Me xican model
NOTE:
• -XX and -X mean standardized parts, so they
• -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
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.
1
2
3
3
4
5
8
6
7
10
9
SP901
Supplied with
RV201 and S201
#1
#1
#2
#2