AIR-SA50R - Sony Audio Service Manual (repair manual)

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

View Sony AIR-SA50R Service Manual online

SERVICE MANUAL
Sony Corporation
Audio&Video Business Group
Published by Sony Techno Create Corporation
AIR-SA50R
WIRELESS SPEAKER
9-889-559-01
2009F05-1
© 
2009.06
US Model
Ver. 1.0  2009.06
SPECIFICATIONS
•  “S-AIR” and its logo are trademarks of Sony Corporation.
•  The Bluetooth word mark and logos are owned by the 
Bluetooth SIG, Inc. and any use of such marks by Sony 
Corporation is under license. Other trademarks and trade 
names are those of their respective owners.
•  iPod is a trademark of Apple Inc., registered in the U.S. 
and other countries.
•  iPhone is a trademark of Apple Inc.
•  All other trademarks and registered trademarks are of 
their respective holders.
  In this manual, ™ and 
®
 marks are not specifi ed.
•  AIR-SA50R is the amplifi er and speaker section in ALT-SA31iR/SA32PC.
  And, there is single sales, too.
Amplifier section
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL 
HARMONIC DISTORTION:
With 8 ohms loads, both channels 
driven, from 100 – 15,000Hz; rated 6 
watts per channel minimum RMS 
power, with no more than 10% total 
harmonic distortion.
Continuous RMS power output 
(reference): 
8 + 8 watts (8 ohms at 1 kHz, 10% 
harmonic distortion)
Speaker section
Speaker system: Full range, bass-reflex 
type
Speaker units: 57 mm (2 
1
/
4
 in), cone 
type (2)
Nominal impedance: 8 ohms
General
Power requirements: 120 V AC, 60 Hz
Input: AUDIO IN jack (ø 3.5 mm stereo 
minijack)
Dimensions (w/h/d): Approx. 250 × 
123 × 129 mm (9 
7
/
8
 ×4 
7
/
8
 ×5 
1
/
8
 in)
Mass: Approx. 1.4 kg (3 lb 1.8 oz)
Supplied accessories: Wireless 
transceiver (EZW-RT10A) (1)/ 
Remote commander (RM-ANU065) (1)*/ 
R03 (size AAA) batteries (2)*
* When you purchase this product with main 
unit and sub units system package product, 
the pieces of these accessories may differ. 
Refer to the manuals supplied with the 
package product.
Design and specifications are subject 
to change without notice.
AIR-SA50R
2
1. 
SERVICING  NOTES
  .............................................   3
2. DISASSEMBLY
2-1.   Disassembly Flow ...........................................................   4
2-2.   MAIN Board Block ........................................................   4
2-3.   IF Board, MAIN Board ...................................................   5
3. 
TEST  MODE 
 ............................................................   6
4. DIAGRAMS
4-1. Block 
Diagram 
................................................................   7
4-2.  Schematic Diagram - MAIN Section (1/3) - ...................   9
4-3.  Schematic Diagram - MAIN Section (2/3) - ...................   10
4-4.  Schematic Diagram - MAIN Section (3/3) - ...................   11
4-5.  Printed Wiring Board - MAIN Section (1/2) - ................   12
4-6.  Printed Wiring Boards - MAIN Section (2/2) - ..............   13
4-7.  Printed Wiring Board - IF Board - ..................................   14
4-8.  Printed Wiring Boards - PANEL Section - .....................   15
4-9.  Schematic Diagram - IF, PANEL Section -.....................   16
5. 
EXPLODED  VIEWS
5-1. Overall 
Section 
...............................................................  22
5-2.  Front Cabinet Section .....................................................   23
5-3.  Rear Cabinet Section ......................................................   24
6. 
ELECTRICAL  PARTS  LIST
  ..............................   25
Accessories are given in the last of the electrical parts list.
TABLE  OF  CONTENTS
NOTES  ON  CHIP  COMPONENT  REPLACEMENT
•  Never reuse a disconnected chip component.
•  Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
SAFETY  CHECK-OUT
After correcting the original service problem, perform the follow-
ing safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs, 
screws, and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE  TEST
The AC leakage from any exposed metal part to earth ground and 
from all exposed metal parts to any exposed metal part having a 
return to chassis, must not exceed 0.5 mA (500 microamperes.). 
Leakage current can be measured by any one of three methods.
1.  A commercial leakage tester, such as the Simpson 229 or RCA 
WT-540A. Follow the manufacturers’ instructions to use these 
instruments.
2.  A battery-operated AC milliammeter. The Data Precision 245 
digital multimeter is suitable for this job.
3.  Measuring the voltage drop across a resistor by means of a 
VOM or battery-operated AC voltmeter. The “limit” indication 
is 0.75 V, so analog meters must have an accurate low-voltage 
scale. The Simpson 250 and Sanwa SH-63Trd are examples 
of a passive VOM that is suitable. Nearly all battery operated 
digital multimeters that have a 2 V AC range are suitable. (See 
Fig. A)
1.5 k
Ω
0.15 
μF
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
Fig. A.  Using an AC voltmeter to check AC leakage.
SAFETY-RELATED  COMPONENT  WARNING!
COMPONENTS  IDENTIFIED  BY  MARK  0  OR  DOTTED  LINE  
WITH  MARK  
0  ON  THE  SCHEMATIC  DIAGRAMS  AND  IN  
THE  PARTS  LIST  ARE  CRITICAL  TO  SAFE  OPERATION.
REPLACE  THESE  COMPONENTS  WITH  SONY  PARTS 
 
WHOSE  PART  NUMBERS  APPEAR  AS  SHOWN  IN  THIS  
MANUAL  OR  IN  SUPPLEMENTS  PUBLISHED  BY  SONY.
CAUTION
These servicing instructions are for use by qualifi ed service per-
sonnel only.
To reduce the risk of electric shock, do not perform any servicing 
other than that contained in the operating instructions unless you 
are qualifi ed to do so.
AIR-SA50R
3
SECTION  1
SERVICING  NOTES
UNLEADED  SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution:  Some printed circuit boards may not come printed with 
the lead free mark due to their particular size)
 : LEAD  FREE  MARK
Unleaded solder has the following characteristics.
•  Unleaded solder melts at a temperature about 40 °C higher 
than ordinary solder.
 
Ordinary soldering irons can be used but the iron tip has to be 
applied to the solder joint for a slightly longer time.
 
Soldering irons using a temperature regulator should be set to 
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if 
the heated tip is applied for too long, so be careful!
• Strong 
viscosity
 
Unleaded solder is more viscous (sticky, less prone to fl ow) 
than ordinary solder so use caution not to let solder bridges 
occur such as on IC pins, etc.
•  Usable with ordinary solder
 
It is best to use only unleaded solder but unleaded solder may 
also be added to ordinary solder.
NOTE  OF  REPLACING  THE  IC401  ON  THE  MAIN  
BOARD
IC401 on the MAIN board cannot exchange with single. When this 
part is damaged, exchange the entire mounted board.
NOTE  OF  REPLACING  THE  TOUCH  KEY  BOARD
When the TOUCH KEY board is damaged, exchange the entire 
PANEL (FRONT) SUB ASSY.
AIR-SA50R
4
SECTION  2
DISASSEMBLY
•  This set can be disassembled in the order shown below.
2-1.  DISASSEMBLY  FLOW
Note: Follow the disassembly procedure in the numerical order given.
2-2.  MAIN  BOARD  BLOCK
Note: This illustration sees the set from rear side.
SET
2-2.  MAIN BOARD BLOCK
 (Page 
4)
2-3.  IF BOARD, MAIN BOARD
 (Page 
5)
5 screw (B2.6)
8 lead wire
 (CN704)
q; flexible flat cable
 
(11 pin) (W3) 
 (CN702)
7
qs MAIN board block
6 two speaker lead wires
 (CN302)
5 screw 
 (B2.6)
5 screw (B2.6)
9 lead wire (CN706)
qa flexible flat cable
 
(14 pin) (W2) (CN703)
2 screw (B3)
1 sheet (screw)
4
2 two screws 
 (B3)
3 three srews 
 (B2.6)
1 three sheets 
(screw)
1 sheet 
 (screw)
2 screw (B3)
2 three screws 
 (B3)
AIR-SA50R
5
2-3.  IF  BOARD,  MAIN  BOARD
Note: This illustration sees the rear cabinet block from rear side.
2 screw (B2.6)
1 cushion (SW)
9 Remove four solders.
– MAIN board (component side) –
q; shield case 
 (main)
4 two screws
 (B2.6)
qd MAIN board
qs power unit 
 cord
8 chassis (lower)
– chassis (lower) bottom view –
Arragement of power unit cord
– MAIN board (conductor side) –
qa Remove two solders.
7 four screws
 (B2.6)
3 flexible flat cable
 
(9 pin) (W2) (CN502)
6 IF board
5 chassis (upper) block
rear cabinet block
AIR-SA50R
6
SECTION  3
TEST  MODE
COLD  RESET
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  While touching the [
N
] sensor, press two buttons [SLEEP/
BRIGHT] and [
?/1
] simultaneously.
3.  The message “RESET” appears on the liquid crystal display, 
then turn the power off.
PANEL  TEST  MODE
Procedure:
1.  In the standby state, while touching the [PRESET +] sensor, 
press two buttons [SLEEP/BRIGHT] and [
?/1
] simultane-
ously.
2.  When the panel test mode is activated, all segments of the liq-
uid crystal display are lighted up.
3.  In the state of step 2, press the [SLEEP/BRIGHT] button, and 
the version of the micro controller and destination are dis-
played on the liquid crystal display.
4.  In the state of step 2, press the [S-AIR/AUDIO IN] button, 
the message “Key 0” is displayed on the liquid crystal display. 
When all buttons (All buttons including [
?/1
] and [PAIRING] 
(button on back panel side)) are pressed and all sensors are 
touched, the message “Key 16 OK” is displayed on the liquid 
crystal display.
5.  To release from this mode, while touching the [PRESET +] 
sensor, press the two buttons [SLEEP/BRIGHT] and [
?/1
] si-
multaneously.
REMOTE  DISABLE  MODE
Procedure:
1.  In the standby state, while pressing the [S-AIR CH +] button, 
press the [
?/1
] button to turn the power on.
2.  The message “REMOTE ON” or “REMOTE OFF” appears 
on the liquid crystal display, and on/off of the remote control 
changes.
TOUCH  PANEL  BEEEP  SOUND  ON/OFF  MODE
Procedure:
1.  In the standby state, while pressing the [S-AIR/AUDIO IN] 
button, press the [
?/1
] button to turn the power on.
2.  The message “BEEP ON” or “BEEP OFF” appears on the 
liquid crystal display, and on/off of the beep sound when the 
touch panel is operated changes.
S-AIR  TEST  MODE
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2. While touching the [
x
] sensor, press two buttons [S-AIR/
AUDIO IN] and [PAIRING] (back panel side) simultaneously.
3.  The message “I2C” appears on the liquid crystal display and 
enter the S-AIR test mode.
4.  Touch the [PRESET +] sensor to select the “I2C”, and touch 
the [ENTER] sensor.
 
The message “OK” or “NG” appears on the liquid crystal dis-
play and the connection of the I2C line between DARR and 
micro controller can be confi rmed.
 
“OK” : Connection OK.
 
“NG” : Connection NG.
 
Touch the [ENTER] sensor, return to item selection screen.
5.  Touch the [PRESET +] sensor to select the “QUALITY”, and 
touch the [ENTER] sensor.
 
The quality of the communication is displayed on the liquid 
crystal display.
 
Touch the [ENTER] sensor, return to item selection screen.
6.  Touch the [PRESET +] sensor to select the “POWER”, and 
touch the [ENTER] sensor.
 
The output power is displayed on the liquid crystal display. In 
this state, whenever the [PRESET +] and [PRESET –] sensors 
are touched, the output power can be changed.
 
Touch the [ENTER] sensor, return to item selection screen.
7.  Touch the [PRESET +] sensor to select the “VER.CHECK”, 
and touch the [ENTER] sensor.
 
The microcomputer version last updated date of the S-AIR de-
vice connected with this set is displayed on the liquid crystal 
display.
 
Touch the [ENTER] sensor, return to item selection screen.
8.  Touch the [PRESET +] sensor to select the “DARR”, and 
touch the [ENTER] sensor.
 
The settings of DARR are displayed on the liquid crystal dis-
play. Whenever the [PRESET +] and [PRESET –] sensors are 
touched, the displayed setting of DARR can be changed.
 
“CO XXXX” : Connect code display.
 
“ADR XX”  : Address display.
 
Touch the [ENTER] sensor, return to item selection screen.
9.  Touch the [PRESET +] sensor to select the “ANT SET”, and 
touch the [ENTER] sensor.
 
The setting of antenna transceiving is displayed on the liquid 
crystal display. Whenever the [PRESET +] and [PRESET –] 
sensors are touched, the setting of antenna transceiving can be 
changed.
 
Touch the [ENTER] sensor, return to item selection screen.
10. Touch the [PRESET +] sensor to select the “ANT MON”, and 
touch the [ENTER] sensor.
 
The antenna under use is displayed on the liquid crystal dis-
play.
 
Touch the [ENTER] sensor, return to item selection screen.
11. Touch the [PRESET +] sensor to select the “REC”, and touch 
the [ENTER] sensor.
 
Whether the audio source that has been reproduced can be re-
corded is displayed on the liquid crystal display.
 
Touch the [ENTER] sensor, return to item selection screen.
12. Touch the [PRESET +] sensor to select the “DEMO”, and 
touch the [ENTER] sensor.
 
The message “ON” or “OFF” appears on the liquid crystal dis-
play. Whenever the [PRESET +] and [PRESET –] sensors are 
touched, the on/off can be changed.
 
“ON”  : Demo mode (Mode for demonstration at shops).
 
“OFF” : Normal mode.
 
Touch the [ENTER] sensor, return to item selection screen.
13. Touch the [PRESET +] sensor to select the “RF CHG”, and 
touch the [ENTER] sensor.
 
The message “ON” or “OFF” appears on the liquid crystal dis-
play. Whenever the [PRESET +] and [PRESET –] sensors are 
touched, the on/off can be changed.
 
“ON”  : The RF CHG function of DARR is on.
 
“OFF” : The RF CHG function of DARR is off.
 
Touch the [ENTER] sensor, return to item selection screen.
14. Touch the [PRESET +] sensor to select the “NA SEND”, and 
touch the [ENTER] sensor.
 
The message “ON” or “OFF” appears on the liquid crystal dis-
play. Whenever the [PRESET +] and [PRESET –] sensors are 
touched, the on/off can be changed.
 
“ON”  : NACK is transmitted at the Bad_Sync.
 
“OFF” : NACK is not transmitted at the Bad_Sync.
 
Touch the [ENTER] sensor, return to item selection screen.
15. To release from this mode, press the [
?/1
] button. The setting 
is maintained until turning off power.
AIR-SA50R
AIR-SA50R
7
7
SECTION  4
DIAGRAMS
4-1.  BLOCK  DIAGRAM
LINE AMP
Q101
SDOUT_A
2
BCK
4
LRCK
6
I2C_SDA
I2C_SDA
7
CN501
EZW-RT10A
EZW-RT10A
I2C_SCL
I2C_SCL
10
INT
INT
14
RESN
RESN
I2C_SDA
I2C_SCL
INT
RESN
9
VCC-3.3V
MODULE +3.3V
19
R-CH
R-CH
BUZZER AMP
Q102
BUZZER
26
S-AIR I2CDATA
77
S-AIR I2CSCL
78
S-AIR_GPIO2
67
S-AIR RST
58
A/D CONVERTER
IC302
SYSTEM CONTROLLER
IC401
VINL
13
VINR
14
DIGITAL POWER AMP
IC301
SDIN1
25
SDIN2
24
SCLK
23
LRCK
22
MCLK
34
DOUT 9
OUT_C 49
OUT_C 50
OUT_D 45
OUT_D 46
OUT_A 4
OUT_A 5
OUT_B 1
OUT_B 64
BCK 8
LRCK 7
SCKI 6
SDA
28
SCL
29
MUTE
21
DAMP DOUT 24
DAMP CLK 22
DAMP MUTE 21
VALID
36
DAMP VALID 23
PDN
17
AMP PDN 19
RESET
16
DAMP RST 25
CLOCK BUFFER
IC351
X351
12.288MHz
LPF
SP101
(L-ch)
SP201
(R-ch)
LPF
LPF
LPF
A5V_ON
ADC3.3V_ON
MODULE_ON
O_POWER
RESET
AC CUT
+7.8V
REGULATOR
IC905
POWER
UNIT
B+ SWITCH
Q905
POWER ON/OFF
Q901
D909,
D910
(AC IN)
D903,
D904
+7.7V
REGULATOR
IC901
D905,
D906
+3.3V
REGULATOR
IC906
AMP +3.3V
MODULE +3.3V
POWER ON/OFF
Q902
+3.3V
REGULATOR
IC902
LED +3.3V
ADC +3.3V
+3.3V
REGULATOR
IC904
VCC +5V
+5V
REGULATOR
IC903
LCD +3.3V
+3.3V
REGULATOR
IC952
D907,
D908
BUZZ +5V
B+ SWITCH
Q904
B+ SWITCH
Q952
+3.3V
+3.3V
REGULATOR
IC951
RESET SIGNAL
GENERATOR
IC403
AC DETECT
Q951
J302
AUDIO IN
S1
KEY_POWER
73
S-AIR KEY_PAIRING
79
LED DRIVE
Q1
STBY_LED
37
D1
STANDBY
I/1
KEY_S-AIR/AUDIOIN
72
S3
SLEEP/
BRIGHT
S2
S-AIR/
AUDIO IN
KEY_SLEEP/BRIGHTNESS
74
TSINT
TSRST
TOUCH
KEY
BOARD
TSDATA
30
TSCLK
29
18
27
LED DRIVE
Q603
LIGHT1
52
LED DRIVE
Q604
LIGHT2
51
D603
(LCD BACK LIGHT)
LED DRIVE
Q602
SONY LOGO LED
53
D601
SONY
LED DRIVE
Q601
S-AIR LED
54
D602
S-AIR
REMOTE
CONTROL RECEIVER
IC601
I/R_OUT
4
BEEP
BZ601
28
LCD601
LIQUID
CRYSTAL
DISPLAY
5
4
3
2
LCD DATA 44
LCD SCL 42
LCD CE 43
LCD RS 45
1
LCD_RST 40
SDA
5
EEPROM DATA
EEPROM
IC402
47
SCL
6
EEPROM CLK 48
X401
32.768kHz
10
11
XCIN
XCOUT
15
13
X402
5MHz
XIN
XOUT
S-AIR_ID
97
A
B
C
S401
S-AIR ID
S402
PAIRING
50
BUZZ_MODE 81
AUIN +5V
B+ SWITCH
Q903
AUDIO_IN_MODE 82
49
38
35
12
20
SIGNAL PATH
: AUDIO
R-ch is omitted due to same as L-ch.
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)

Download Sony AIR-SA50R Service Manual (Repair Manual)

Here you can view online and download Sony AIR-SA50R Service Manual in PDF. AIR-SA50R service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony AIR-SA50R Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.