Sony AIR-SA50R Service Manual ▷ View online
AIR-SA50R
AIR-SA50R
10
10
4-3. SCHEMATIC DIAGRAM - MAIN Section (2/3) -
• See page 18 for IC Block Diagrams.
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
BOARD
(3/3)
3
MAIN
BOARD
(1/3)
2
MAIN
4.3
0
0
4.3
4.3
0
3.1
4.3
0
4.3
0
2.9
7.3
0
7.3
0
2.8
10.9
0
10.9
3.3
1.3
8.5
3.3
8.5
1.3
8.5
3.3
3.3
1.3
8.5
5
3
1.3
10.7
8.5
1.3
10.7
1.3
10.9
8.5
7.2
1.2
7.3
3.3
12.2
8.4
9.1
MODULE3.3V
AMP3.3V
ADC3.3V
1
VIN
2
CONT
3
VOUT
4
VA
D
J
5
GND
IC902
1
VIN
2
CONT
3
VOUT
4
VA
D
J
5
GND
POWER_ON
GND
GND
VCC5V
1
2
3
4
5
TK11150CSCL-G
IC903
1
2
3
4
5
A5V_ON
ADC3.3V_ON
AUIN5V
BUZZ5V
AUDIO_IN_MODE
BUZZ_MODE
VCC12V
1SS400TE-61
D902
1SS400TE-61
D901
16V
470
C901
1
2
3
4
5
1
V
out
2
FB
3
Vi
n
4
Vcont
5
GND
6
Np
LED+B
Q902
RT3T11M-TP-1
RT3T11M-TP-1
Q903
RT3T11M-TP-1
Q904
2SC4154TP-1EF
LED DRIVE
Q905
1SS400TE-61
D903
1SS400TE-61
D904
D905
RR264M-400
D906
RR264M-400
D907
RR264M-400
D908
RR264M-400
D909
RR264M-400
D910
RR264M-400
MODULE_ON
0.01
C909
1
C910
10
C908
10
C911
0.01
C919
1
C920
0.01
C912
1
C913
1k
R925
10k
R921
0.1
C923
0.1
C915
0.001
C914
1k
R926
0.01
C918
10k
R915
47
R916
47k
R922
10k
R923
0.001
C917
1
C922
0.01
C921
1k
R901
0.01
C902
10
C904
0.01
C906
10
C907
10
C905
1k
R910
2200
R914
2200
R913
1k
R912
1k
R911
1k
R907
1k
R904
1k
R905
4700
R906
1k
R909
1k
R903
VCC12V
NJM2387ADL3
UNIT
POWER
IC904
IC906
IC903
IC905
IC902
IC901
(2/3)
MAIN BOARD
IC901
NJM2387ADL3
+7.7V
REGULATOR
-1
-2
Q901
RT3T11M-TP-1
POWER ON/OFF
TK11100CSCB-G
IC905
+7.8V
REGULATOR
TK11133CSCL-G
IC906
+3.3V REGULATOR
+3.3V REGULATOR
TK11133CSCL-G
IC904
CNT
NP
GND
VOUT
VIN
CNT
NP
GND
VOUT
VIN
-1
-2
POWER ON/OFF
+5V REGULATOR
CNT
NP
GND
VOUT
VIN
-1
-2
-1
-2
+3.3V REGULATOR
B+ SWITCH
B+ SWITCH
(AC IN)
4
B
6
9
11
D
H
10
3
5
C
F
1
E
8
G
A
2
7
(Page 9)
(Page 11)
AIR-SA50R
AIR-SA50R
11
11
4-4. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
• See page 17 for Waveforms. • See page 18 for IC Block Diagrams. • See page 20 for IC Pin Function Description.
Note 1: IC401 on the MAIN board cannot exchange with single. When this
part is damaged, exchange the entire mounted board.
Note 2: When the TOUCH KEY board is damaged, exchange the
entire PANEL (FRONT) SUB ASSY.
BOARD
C
KEY
SLEEP
BOARD
B
KEY
POWER
D
BOARD
LCD
IC B/D
IC B/D
(1/3)
1
BOARD
MAIN
(2/3)
3
BOARD
MAIN
1
2
0
3.2
3.2
0.7
0.9
1.8
0.7
3.3
3.3
0
3.2
3.3
0
3.1
3.3
3.2
0.7
0
0
1.6
3.3
3.3
3.3
0.9
0.9
3.3
0.9
3.3
3.3
0
0
0.7
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.3
0
0
3.3
3.3
0
3.3
0
3.3
0
3.3
0
0
0
0
0
3.3
3.3
1.6
3.3
3.3
3.3
3.3
3.3
3.3
8.4
3.3
4.7
1.3
11
.1
11
.1
3.3
11
.1
12.2
11.1
11.8
0.6
0
3.3
3.2
470k
R405
100k
R412
32.768kHz
X401
220k
R467
0.01
C408
IC403
1
VOUT
2
VIN
3 NC
4
VSS
0.01
C955
4P
CN706
1
LED+B
2
STBY LED
3
GND
4
KEY_POWER
IC401
1
NC
2
NC
3
NC
4
IR_IN
5
NC
6
NC
7
NC
8
BYTE
9
CNVSS
10
XCIN
11
XCOUT
12
RESET
13
XOUT
14
VSS
15
XIN
16
VCC1
17
NMI
18
TSINT
19
DAMP
PDN
20
AC CUT
21
DAMP
MUTE
22
DAMP
CLK
23
DAMP
V
ALID
24
DAMP
DOUT
25
DAMP
RST
26
BUZZER
27
TSRST
28
BEEP
29
TSCLK
30
TSDA
TA
31
TXD1
32
RXD1
33
CLK1
34
RTS1
35
O_POWER
36
NC
37
STBY_LED
38
MODULE_ON
39
CLOCK
40
LCD_RST
41
EPM
42
LCD SCL
43
LCD CE
44
LCD DATA
45
LCD RS
46
FLASH CE
47
EEPROM DATA
48
EEPROM CLK
49
ADC3.3V_ON
50
A5V_ON
51
LIGHT2
52
LIGHT1
53
SONY
LOGO LED
54
S-AIR LED
55
NC
56
NC
57
NC
58
S-AIR RST
59
60
NC
NC
61
NC
62
VCC2
63
NC
64
VSS
65
NC
66
NC
67
S-AIR_GPIO2
68
NC
69
NC
70
NC
71
NC
72
KEY_S-AIR/AUDIOIN
73
KEY_POWER
74
KEY_SLEEP/BRIGHTNESS
75
NC
76
NC
77
S-AIR I2CDA
TA
78
S-AIR I2CSCL
79
S-AIR KEY_P
ARING
80
NC
81
BUZZ_MODE
82
AUDIO_IN_MODE
83
DC_DET
84
NC
85
NC
86
NC
87
NC
88
NC
89
NC
90
NC
91
NC
92
NC
93
NC
94
L+R
95
SPEC_1
96
AVSS
97
S-AIR_ID
98
VREF
99
AVCC
100
NC
IC402
1
A0
2
A1
3
A2
4
GND
5
SDA
6
SCL
7
WP
8
VCC
0.01
C410
1k
R431
7P
CN702
1
VDD
2
GND
3
RESN
4
SDA
5
SCL
6
TINT
7
TOUCH BEEP
1
C956
16V
1000
C951
10p
C404
2SC4154TP-1EF
AC DETECT
Q951
5MHz
CF401
10p
C422
470k
R429
100
R452
0
R436
1k
R427
0.01
C407
3P
CN704
1
KEY_SLEEP
2
KEY_S-AIR/AUDIOIN
3
GND
100
R453
TK11133CSCL-G
IC952
1
2
3
4
5
0.01
C952
1
C953
14P
CN703
1
2
3
4
5
6
7
8
9
10
11
12
13
14
0.01
C961
1k
R456
0.1
C406
0.1
C411
8p
C405
470k
R471
0.1
C432
0.1
C414
0.1
C415
0.1
C416
0.1
C417
IC951
1
NC
2
VIN
3
VOUT
4
VSS
5
VIN
6
P-ON
47k
R955
2SC4154TP-1EF
B+ SWITCH
Q952
0.1
C958
10p
C421
C954
4.7
220k
R957
100
R463
10k
R434
100
R450
100
R449
100
R448
1k
R403
1k
R460
100
R464
100
R461
1k
R457
1k
R459
1k
R474
100
R451
100
R462
1k
R458
1k
R447
1k
R446
100
R442
1k
R428
1k
R443
1k
R440
10k
R433
100
R435
100
R444
1k
R438
100
R439
1k
R441
1k
R432
100
R445
1k
R430
100
R404
10M
R466
10k
R418
1
C401
10k
R482
1
C957
10k
R956
10k
R951
REGULATOR
+3.3V
1k
R952
1k
R421
1k
R419
1k
R420
100
R415
100
R416
1k
R414
1k
R422
10k
R470
1k
R411
1k
R409
1k
R437
1k
R410
1k
R408
10k
R424
10k
R425
10k
R423
10k
R475
1k
R407
1k
R406
1k
R401
1k
R481
1
C402
22k
R472
2200
R484
1
C403
1k
R402
100k
R483
1k
R454
0
R455
S-24CS02AFT-TB-G
R5F3640DDFAR-128
XC61CN2702NR
S-812C33BPI-C4NTFG
SYSTEM CONTROLLER
IC401
IC952
+3.3V REGULATOR
S402
PAIRNIG
IC403
IC951
IC402
EEPROM
MAIN BOARD (3/3)
A5V_ON
SCL
PDOWN
AMP_RST
INT
BUZZER
MUTE
VCC12V
I2C_SCL
GND
POWER_ON
VALID
SDA
RESN
ADC3.3V_ON
I2C_SDA
LOGO_LED
LED+B
LIGHT2
LIGHT1
SA_LED
I/R OUT
LCD3.3V
GND
LCD_DATA
LCD_SCL
LCD_CE
LCD_RS
LCD_RST
TOUCH BEEP
LED+B
MODULE_ON
CNT
NP
GND
VOUT
VIN
AUDIO_IN_MODE
BUZZ_MODE
GENERATOR
RESET SIGNAL
BOARD
TOUCH
KEY
S-AIR
ID
S401
A
B
C
J
4
B
16
6
9
11
D
15
H
L
10
K
17
3
5
12
C
F
18
M
1
19
E
8
G
14
A
2
13
I
7
(Page 16)
(Page 16)
(Page 16)
(Page 10)
(Page 9)
AIR-SA50R
AIR-SA50R
12
12
4-5. PRINTED WIRING BOARD - MAIN Section (1/2) -
•
: Uses unleaded solder.
• See page 8 for Circuit Boards Location.
Note: IC401 on the MAIN board cannot exchange with single. When
this part is damaged, exchange the entire mounted board.
R460
R459 R458
R434
R450
R448 R403
R452
R453
R447
R446
R409 R408
R410 R411
R454
R474
R457
R449
R451
R455
C410
C910
C906
C953 C952
C961
C911
C316
C309
C351
C333
C335
C318
C908
C907
C905
C904
C954
C909
C913
C912
C920
C319
C317
C919
C321
C322
C206
C207
C323
C324
C328
C327
C332
C331
C107
C106
C105
C104
L101
C308
C310
C315
C403
C307
C352
C353
C354
C355
C356
C325
C326
C330
FB351
FB352
C108
C109
C209
C204 C205
R461
R462
R463
R464
R456
R922
R923
C917
R921
C918
C923
R915
R925
C915
C914
R315
R335
R336
R317
R313
R314
R312
R311
R310
R309
R308
R307
C314
R306
C313
R305
C311
C312
R304
R422
R419
R421
C415
C416
R437
R423
R424
R420
R416
R415
R414
R425
C417
R334
R333
R352
R351
R407
R475
R470
C414
R406
R401
R412
R481
R472
R483
R471
C432
C402
C404
R418
R404
R467
C421
R466
C422
C401
C407
C405
R482
R430
R428
R433
R432
R440
R439
R442
R444
R444
R441
R445
R443
R438
R435
C406
R427
R431
C408
C956
R955
C955
R429
R436
R484
R356
R357
R358
R202
R303
C304
C305
C334
R916
C218
R203
C223 C123
R204
R104
C118
R103
R102C102
C101
R101
C303
C201
C302
C120 R115
C220
R201
R215
C337
R302
C202
C110
R213
R212
R113
R112
R107
C114
C112
R108
C113
R106
C111
R105
C115
C215
R208
C208
C214
R205
C211
C210
R207
C212
C213
R206
R914
R913
R909
R956
R910
R912
R911
C957
C922
R906
R903
R901
C902
R952
R951
R402 R405
C958
C921
C411
R905
R904
D904
AK
D903
AK
D902
K A
D901
K A
Q202
Q201
Q101
ECB
ECB
ECB
ECB
Q102
ECB
Q951
EC
B
Q952
E
C
B
Q905
Q902
Q901
Q903
Q904
IC301
17
33
48
16
1
32
64
49
IC401
81
31
50
100
1
30
80
51
IC902
IC901
1
3
4
5
IC952
5
8
1
4
IC402
1
3
4
5
IC903
1
3
4
5
IC904
1
3
4
6
1
1
5
1
4
5
IC905
1
7
14
8
IC302
L201
4
5 1
3
IC906
1
3 4
5
IC351
X351
CN704
CN706
1
3
4 6
IC951
1
2
3 4
IC403
MAIN BOARD
(SIDE A)
1-879-460-
(11)
11
3
1
SLEEP KEY
BOARD
C
POWER KEY
BOARD
B
1C
1B
2E
1E
2B
2C
1C
1B
2E
1E
2B
2C
1C
1B
2E
1E
2B
2C
1C
1B
2E
1E
2B
2C
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
(Page 15)
(Page 15)
AIR-SA50R
AIR-SA50R
13
13
4-6. PRINTED WIRING BOARDS - MAIN Section (2/2) -
•
: Uses unleaded solder.
• See page 8 for Circuit Boards Location.
Note: When the TOUCH KEY board is damaged, exchange
the entire PANEL (FRONT) SUB ASSY.
R216
J302
R116
R957
R907
R926
D906
A
K
D905
A
K
D909
A
K
D910
A
K
D907
K
A
D908
A
K
CN703
2
1
14
13
CN702
7
1
6
2
1
9
S402
S401
AUDIO IN
CN302
C306
+
C329
+
C320
+
C901
+
C951
+
X401
CF401
MAIN BOARD
(SIDE B)
1-879-460-
(11)
11
1
4
S-AIR ID
A
r
r
B
r
r
C
LCD
BOARD
D
IF BOARD
CN502
A
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
PAIRING
(AC IN)
POWER
UNIT
WHT
BLK
W2
TOUCH
KEY
BOARD
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
9
10
11
(Page 14)
(Page 15)
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