Read Sony AIR-SA5R Service Manual online
AIR-SA5R
AIR-SA5R
17
17
Note: IC302 on the POWER AMP board cannot exchange with single. When
this part is damaged, exchange the entire mounted board.
4-8. SCHEMATIC DIAGRAM - POWER AMP Board -
• See page 18 for IC Block Diagrams.
E
CN402
MICON
C
BOARD
IF
CN503
BOARD
IC B/D
IC B/D
IC B/D
6.2
6.2
1.3
5.3
6.2
6.2
1.3
3.3
2.7
2.7
2.7
2.7
2.7
2.7
5.3
2.5
5
1.9
1.6
2.8
1
3.3
3
3
6.2
0
6.2
0
3
6.2
0
6.2
0
0
0
5.3
5.3
5.3
0.6
5.3
0
4.6
5.3
1uH
L301
NJM2732RB1(TE2)
IC301
1
2
3
4
5
6
7
8
1k
R308
47k
R304
IC302
IN+
A1
GND
A2
VO-
A3
VDD
B1
PVDD
B2
PGND
B3
IN-
C1
SHUTDOWN
C2
VO+
C3
100p
C331
100p
C324
0.1
C335
4700
R302
4700
R303
10
C306
R103
470k
1k
R106
6P
CN901
1
L-CH
2
R-CH
3
AGND
4
A5V
5
MODULE 3.3V
6
GND
1
C104
IC902
1
VIN
2
ON/OFF
3
VOUT
4
VA
D
J
5
GND
1
C912
1
C204
47
R909
100
R910
470
R911
1k
R912
1k
R913
0.1
C302
0.1
C303
16V
47
C907
1
C902
1
C905
1uH
L302
SP-
SP+
10k
R309
10k
R313
10k
R312
0.001
C328
0.001
C343
0.001
C344
10k
R314
Q101
2SC4154TP-1EF
2SC4154TP-1EF
Q201
10V
100
C914
1SS355TE-17
D902
16V
47
C911
1
C910
1
C913
1
C904
IC901
1
VIN
2
ON/OFF
3
VOUT
4
VA
D
J
5
GND
47
R901
16V
47
C906
470
R902
1k
R903
470
R904
10
C301
100
R301
1k
R914
1k
R905
10k
R306
1k
R206
0
R104
2200
R204
470k
R203
0.047
C213
0.1
C212
6P
CN902
1
SHUTDOWN
2
PreAMP P-ON
3
SA-POWER
4
MAIN P-ON
5
DC 6V
6
GND
Q901
RT3T11M-TP-1
DAP202UT106
D901
RT3T11M-TP-1
Q904
RT3T11M-TP-1
Q301
100p
C325
0.47
C310
0.22
C309
0.22
C322
0.22
C323
2SA1365-T112-1EF
Q902
2SC4154TP-1EF
Q903
4700
R907
470k
R906
47k
R908
1
C114
10
C334
Q905
ISA1602AM1TP-1EF
POWER MONITOR
R915
10k
47p
C901
0.0047
C349
47p
C916
47p
C917
47p
C918
47p
C340
0
R919
0
R917
TPA2034D1YZFR
NJM2387ADL3(TE2)
NJM2387ADL3(TE2)
IC301
LINE AMP
POWER AMP
IC302
IC901
+5V REGURATOR
IC902
+3.3V REGULATOR
SP301
POWER AMP BOARD
BUFFER
Q101, 201
CONTROL
REGULATOR
-2
-1
Q902, 903
B+ SWITCH
-2
-1
REGULATOR
CONTROL
SWITCH
STANDBY
POWER
UNIT
-2
-1
G
V
J
4
B
6
9
11
D
15
H
10
3
5
12
C
F
1
E
8
G
14
A
2
13
I
7
(AC IN)
(Page 13)
(Page 11)
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