DOWNLOAD Sony AIR-SA50R Service Manual ↓ Size: 933.49 KB | Pages: 30 in PDF or view online for FREE

Model
AIR-SA50R
Pages
30
Size
933.49 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
air-sa50r.pdf
Date

Sony AIR-SA50R Service Manual ▷ View online

AIR-SA50R
AIR-SA50R
8
8
•  Circuit Boards Location
For Schematic Diagrams.
Note:
•  All capacitors are in μF unless otherwise noted. (p: pF) 50 
WV or less are not indicated except for electrolytics and 
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.)
•  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
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 
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)
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.
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)
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.
POWER KEY board
MAIN board
LCD board
SLEEP KEY board
TOUCH KEY board
IF board
AIR-SA50R
AIR-SA50R
9
9
4-2.  SCHEMATIC  DIAGRAM - MAIN Section (1/3) -
• See page 17 for Waveforms.   • See page 18 for IC Block Diagrams.
IC B/D
IC B/D
4
5
3
BOARD
CN502
A
IF
BOARD
(3/3)
1
MAIN
BOARD
(2/3)
2
MAIN
3.3
1.6
3.3
3.3
12.2
12.2
6.1
6.1
3.3
3.3
1.8
1.1
0.7
12.2
12.2
3.3
6.1
6.1
6.1
6.1
12.2
12.2
15.9
10.6
1.5
15.9
12.2
12.2
15.9
10.6
15.9
6.1
12.2
6.1
3.3
1.6
1.6
3.3
1
0.2
3.2
0
1.9
3.2
3.3
1.6
3.3
1.6
1.6
1.6
3.3
4.3
2.2
3.3
3.3
1.6
2.1
2.1
3.5
0
0
4.3
2.9
2.9
3.5
0
0
4.3
2.9
2.9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PDN
17
VREG_EN
18
OSC_RES
19
DVSS
20
MUTE
21
LRCLK
22
SCLK
23
SDIN2
24
SDIN1
25
DVSS
26
VR_DIG
27
SDA
28
SCL
29
HPSEL
30
STEST
31
TEST2
32
DVDD
33
MCLK
34
BKND_ERR
35
VA
LI
D
36
HPL_PWM
37
HPR_PWM
38
SUB_PWM-
39
SUB_PWM+
40
PVCC_D
41
PVCC_D
42
PGND_D
43
PGND_D
44
OUT_D
45
OUT_D
46
PGND_C
47
PGND_C
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
L101
1
2
3
4
0.001
C114
100k
R107
0.001
C115
100k
R108
0.001
C214
100k
R207
L201
1
2
3
4
100k
R208
0.001
C215
IC302
1
2
3
4
5
6
7
8
BCK
9
DOUT
10
MD0
11
MD1
12
FMT
13
VINL
14
VINR
12.288MHz
X351
J302
FB351
2SC4154TP-1F
Q101
2SC4154TP-1F
Q201
2SC4154TP-1F
Q102
2SC4154TP-1F
Q202
LINE AMP
BUZZER AMP
1
INT
9
0.01
C110
0.01
C112
0.01
C113
0.01
C111
0.01
C212
0.01
C213
0.01
C211
0.01
C210
0.0047
C314
10k
R302
0.001
C302
0.001
C303
16V
470
C306
16V
470
C320
16V
470
C329
4.7
R205
4P
CN302
1
+Rch
2
-Rch
3
-Lch
4
+Lch
0
R112
0
R113
0
R212
0
R213
FB352
22k
R309
220k
R307
100k
R306
220k
R308
100
R313
100
R314
100
R312
100
R311
10
C316
0.1
C317
100
R334
100
R333
10k
R317
100k
R310
2200
R336
2200
R335
10
C318
0.1
C321
0.01
C322
0.1
C319
0
R315
10
C333
0.1
C304
0.1
C305
0.1
C334
10
C335
100
R358
4.7
R303
100
R356
100
R357
47p
C123
47p
C223
0
R204
0
R104
1
C118
1
C218
470
R304
0.0047
C311
0.047
C312
220p
C102
220p
C202
100k
R102
1k
R103
100k
R101
100k
R202
1k
R203
100k
R201
1
C101
10k
R115
220p
C120
1
C201
220p
C220
10k
R215
10k
R216
10k
R116
10
C351
0.01
C352
10p
C353
10p
C356
22p
C354
22p
C355
TC7SHU04FU(T5RSOJF)
IC351
1
2
3
4
5
100k
R351
1k
R352
0.01
C308
0.1
C307
0.047
C313
470
R305
10
C309
0.1
C310
0.1
C315
0.022
C107
0.01
C106
0.01
C104
0.022
C105
1
C330
1
C325
0.01
C323
0.1
C324
0.01
C327
1
C326
0.1
C328
0.01
C204
0.022
C205
0.01
C331
0.1
C332
0.01
C206
0.022
C207
1
C208
4.7
R206
4.7
R105
1
C108
1
C109
4.7
R106
1
C209
0.0022
C337
PCM1808PWR
IC301
IC302
IC351
AUDIO IN
MAIN BOARD (1/3)
GND
MODULE3.3V
VCC12V
SDOUTA
BCK
LRCLK
RESN
I2C_SCL
I2C_SDA
3.3V
GND
AMP3.3V
AMP_RST
PDOWN
MUTE
SCL
VALID
BUZZER
I2C_SCL
RESN
INT
SDA
I2C_SDA
VCC5V
ADC3.3V
AUIN5V
BUZZ5V
OUT_B
PGND_B
PGND_B
OUT_A
OUT_A
PGND_A
PGND_A
PVCC_A
PVCC_A
AV
D
D
A
VSS
PLL_FL
TM
PLL_FL
TP
VR_ANA
DVDD
RESET
OUT_C
OUT_C
PVCC_C
PVCC_C
BST_C
VCLAMP_CD
BST_D
BYPASS
AGND
AVCC
BST_A
VCLAMP_AB
BST_B
PVCC_B
PVCC_B
OUT_B
V
G
A/D
CONVERTER
IC301
TAS5706PAPR
DIGITAL POWER
AMP
VREF
AGND
VCC
VDD
DGND
SCKI
LRCK
LINE AMP
BUZZER AMP
CLOCK BUFFER
SP201
(R-ch)
SP101
(L-ch)
J
4
B
16
6
9
11
D
15
H
10
K
17
3
5
12
C
F
18
1
E
8
G
14
A
2
13
I
7
W2
(Page 11)
(Page 16)
(Page 
10)
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)
Page of 30
Display

Click on the first or last page to see other AIR-SA50R service manuals if exist.