Read Sony AIR-SA5R Service Manual online
AIR-SA5R
AIR-SA5R
11
11
Note: IC401 on the MICON board cannot exchange with single. When
this part is damaged, exchange the entire mounted board.
4-2. SCHEMATIC DIAGRAM - MICON Board -
• See page 18 for Waveforms. • See page 18 for IC Block Diagrams. • See page 19 for IC Pin Function Description.
BOARD
CN902
C
POWER AMP
B
LED
BOARD
BOARD
A
KEY
CN701
BOARD
CN502
D
IF
IC B/D
1
0
3.3
3.3
3.3
0
3.3
0
0
3.3
0
0
3.3
0
3.3
3.3
3.3
3.3
0
3.3
3.3
3.3
2.5
3.3
1.4
0
1.8
3.3
3.3
3
0
3
0
3.3
0
3
0
0
0
3.3
0
0
3.3
0
3.3
3.3
3.3
0
0.7
3.3
5.5
3.3
3.3
IC401
1
KEY
-W
AKE
2
AC CUT
3
EEPROM-SDA
4
EEPROM-SCL
5
RESET
6
NC(XT2)
7
NC(XT1)
8
FLMDO
9
X2
10
X1
11
REGC
12
VSS
13
VDD
14
SA-CLOCK
15
SA-DATA
16
TEST_DET
17
NC
18
SA-INT
19
NC
20
NC
21
SA-RESET
22
DAC-SDA
23
DAC-SCL
24
LCD-MODE
25
LCD-INH
26
KEY PAIRING
27
SIRCS
28
SHUTDOWN
29
POWER-LED
30
SONY
-LED
31
LCD-LED
32
SA-LED
33
FLASH-SI
34
FLASH-SO
35
LCD-DA
36
LCD-CE
37
LCD-CL
38
AV
R
E
F
39
A
VSS
40
SA-ID
41
SPEC
42
KEY2
43
KEY1
44
KEY0
45
TEST MODE1
46
TEST MODE2
47
PreAMP P-ON
48
PARING-LED
49
COUPLING-LED
50
SA-POWER
51
MAIN P-ON
52
TEST MODE3
IC402
1 A0
2 A1
3 A2
4 GND
5
SDA
6
SCL
7
WP
8
VCC
100
R450
1k
R443
1k
R423
1
C403
0
R407
1k
R410
1k
R409
47k
R408
100
R411
0.1
C408
100
R436
1k
R430
22k
R431
D401
1SS355TE-17
1M
R414
1k
R406
1SS355TE-17
D941
1k
R442
4700
R941
0.01
C941
0.01
C942
1k
R439
100
R435
1k
R421
0.01
C405
0.1
C406
X401
16MHz
0.1
C402
100
R449
100
R448
0
R447
10k
R412
10k
R424
10k
R444
1k
R413
1k
R432
1k
R434
1k
R433
1k
R445
1k
R446
1k
R438
JL404
JL405
1k
R404
Q941
2SC4154TP-1EF
JL414
JL415
0.01
C404
R943
470
0.01
C407
8P
CN403
1
GND
2
DAC-SCL
3
DAC-SDA
4
GND
5
SA-RESET
6
SA-DATA
7
SA-CLOCK
8
SA-INT
10k
R426
1k
R425
1k
R427
10k
R428
10
C401
XC6201P332MR
IC941
1
VIN
2
VSS
3
NC
4
NC
5
VOUT
1k
R419
1k
R418
100k
R415
1k
R420
1k
R441
JL416
100k
R417
100k
R416
JL417
6P
CN402
1
SHUTDOWN
2
PreAMP P-ON
3
SA-POWER
4
MAIN P-ON
5
DC 6V
6
GND
1k
R422
10V
100
C943
1k
R440
1k
R437
100
R452
100
R451
100k
R460
10k
R405
LND402
LND404
LND401
LND403
12P
CN401
1
GND
2
LED 6V
3
KEY PARING
4
SA-LED
5
SONY-LED
6
PARING-LED
7
COUPLING-LED
8
KEY1
9
KEY2
10
SA-ID
11
SIRCS
12
MICON 3.3V
220
R944
100k
R942
XC61CN2702NR
IC403
1
VOUT
2
VIN
3
NC
4
VSS
0.01
C409
JL409
JL408
JL407
JL406
S-24CS02AFT-TB-G
PPD78F0526GB(S)-UET-A
IC403
SIGNAL
EEPROM
IC402
SYSTEM
IC401
IC941
+3.3V
REGULATOR
MICON BOARD
GENERATOR
RESET
CONTROLLER
VOLTAGE
DETECT
POWER-LED
GND
LED 6V
KEY0
J
4
B
6
9
11
D
15
H
L
10
K
3
5
12
C
F
1
E
8
G
14
A
2
13
I
7
(Page 15)
(Page 15)
(Page 17)
(Page 13)
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