Sony AIR-SA5R Service Manual ▷ View online
AIR-SA5R
7
2-7. SPEAKER (3.9 cm) (SP301)
Note: This illustration sees the front cabinet block from rear side.
5 four screws (B2.6)
1 four screws (B2.6)
2
4 speaker box block
3 Remove two solders
from POWER AMP board.
6 speaker (3.9 cm)
(SP301)
white
red
from
POWER
AMP
board
POWER
AMP
board
speaker (3.9 cm) (SP301)
,QstallatioQ of lead wire from
POWER AMP board.
POWER AMP board.
froQt cabiQet block
AIR-SA5R
8
SECTION 3
TEST MODE
FACTORY SETTING
Procedure:
1. Press the [
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press two buttons of the [PAIRING] and [
?/1
] simultaneously
after pressing the [PAIRING] button.
3. All LEDs lights for one second, and the data of the built-in data
fl ash memory is initialized.
AIR-SA5R
AIR-SA5R
9
9
SECTION 4
DIAGRAMS
• Circuit Boards Location
LED board
MICON board
KEY board
EZW-RT10A
POWER UNIT
IF board
POWER AMP board
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f : Internal component.
•
C : Panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : POWER ON
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
AUDIO
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
•
Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark
0 or dotted
line with mark
0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
AIR-SA5R
AIR-SA5R
10
10
Note: IC401 on the MICON board cannot exchange with single. When this
part is damaged, exchange the entire mounted board.
4-1. PRINTED WIRING BOARD - MICON Board -
•
: Uses unleaded solder.
• See page 9 for Circuit Boards Location.
R407
R408
R413
R410
R409
C406
R406
R405
R404
R942
R941
R944
C942
C941
R943
C402
R452
R451
R450
R449
R447
R443
R445
R448
R446
C409
R442
R441
R440 R439 R438 R437 R436 R435 R434 R433 R432
C408
R431
R430
R424
R426
R428
R427
R425
R423
R420
R419
R418
R417
R416
R415
R460
R458
C405
C407
R414
C404
EC B
Q941
C943
C403
C401
X401
D941
A
K
K
CN403
CN402
CN401
IC401
1
14
26
52
40
13
39
27
1
1
6
12
1
3 4
3 4
5
1
2
2
3
4
IC941
IC403
4
1
5
8
IC402
MICON BOARD
(CONDUCTOR SIDE)
1-879-498-
(11)
11
+
1
8
R411
R421
R422
R422
R444
R412
D401
A
K
MICON BOARD
(COMPONENT SIDE)
1-879-498-
(11)
11
KEY BOARD
CN701
A
POWER AMP
BOARD
CN902
C
IF BOARD
CN502
D
RED/WHT
WHT
LND401 LND402 LND403
LND404
BLU/WHT
YEL/WHT
LED
BOARD
B
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
11
(Page 16)
(Page 12)
(Page 14)
(Page 14)
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